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1

Zambia-Long-Term Generation Expansion Study | Open Energy Information  

Open Energy Info (EERE)

Zambia-Long-Term Generation Expansion Study Zambia-Long-Term Generation Expansion Study Jump to: navigation, search Logo: Zambia-Long-Term Generation Expansion Study Name Zambia-Long-Term Generation Expansion Study Agency/Company /Organization Argonne National Laboratory Sector Energy Topics Implementation, GHG inventory, Background analysis Resource Type Software/modeling tools, Lessons learned/best practices Website http://www.dis.anl.gov/pubs/61 Country Zambia UN Region Eastern Africa References Zambia-Long-Term Generation Expansion Study[1] Abstract The objective of this study is to analyze possible long-term development options of the Zambian electric power system in the period up to 2015. Overview "The objective of this study is to analyze possible long-term development options of the Zambian electric power system in the period up to 2015. The

2

Zambia : long-term generation expansion study - executive summary.  

SciTech Connect

The objective of this study is to analyze possible long-term development options of the Zambian electric power system in the period up to 2015. The analysis involved the hydro operations studies of the Zambezi river basin and the systems planning studies for the least-cost generation expansion planning. Two well-known and widely accepted computer models were used in the analysis: PC-VALORAGUA model for the hydro operations and optimization studies and the WASP-III Plus model for the optimization of long-term system development. The WASP-III Plus model is a part of the Argonne National Laboratory's Energy and Power Evaluation Model (ENPEP). The analysis was conducted in close collaboration with the Zambia Electricity Supply Corporation (ZESCO). On the initiative from The World Bank, the sponsor of the study, ZESCO formed a team of experts that participated in the analysis and were trained in the use of computer models. Both models were transferred to ZESCO free of charge and installed on several computers in the ZESCO corporate offices in Lusaka. In September-October 1995, two members of the ZESCO National Team participated in a 4-week training course at Argonne National Laboratory near Chicago, U.S.A., focusing on the long-term system expansion planning using the WASP and VALORAGUA models. The hydropower operations studies were performed for the whole Zambezi river basin, including the full installation of the Kariba power station, and the Cahora Bassa hydro power station in Mozambique. The analysis also included possible future projects such as Itezhi-Tezhi, Kafue Gorge Lower, and Batoka Gorge power stations. As hydropower operations studies served to determine the operational characteristics of the existing and future hydro power plants, it was necessary to simulate the whole Zambezi river basin in order to take into account all interactions and mutual influences between the hydro power plants. In addition, it allowed for the optimization of reservoir management and optimization of hydro cascades, resulting in the better utilization of available hydro potential. Numerous analyses were performed for different stages of system development. These include system configurations that correspond to years 1997, 2001, 2015 and 2020. Additional simulations were performed in order to determine the operational parameters of the three existing hydro power stations Victoria Falls, Kariba, and Kafue Gorge Upper, that correspond to the situation before and after their rehabilitation. The rehabilitation works for these three major power stations, that would bring their operational parameters and availability back to the design level, are planned to be carried out in the period until 2000. The main results of the hydro operations studies are presented in Table ES-1. These results correspond to VALORAGUA simulations of system configurations in the years 2001 and 2015. The minimum, average, and maximum electricity generation is based on the simulation of monthly water inflows that correspond to the chronological series of unregulated water inflows at each hydro profile in the period from April 1961 to March 1990. The recommended hydrology dataset provided in the Hydrology Report of the SADC Energy Project AAA 3.8 was used for this study.

Conzelmann, G.; Koritarov, V.; Buehring, W.; Veselka, T.; Decision and Information Sciences

2008-02-28T23:59:59.000Z

3

Electric Power Generation Expansion in Deregulated Markets.  

E-Print Network (OSTI)

??The generation expansion problem involves increasing electric power generation capacity in an existing power network. In competitive environment, power producers, distributors, and consumers all make… (more)

KAYMAZ, PINAR

2007-01-01T23:59:59.000Z

4

JILA Expansion: Preparing the Next Generation of Physicists  

Science Conference Proceedings (OSTI)

JILA Expansion: Preparing the Next Generation of Physicists (+$13 million). ... could lead to dramatically more efficient electrical power transmission. ...

2010-10-05T23:59:59.000Z

5

Optimal generation expansion planning via the cross-entropy method  

Science Conference Proceedings (OSTI)

The Generation Expansion Planning (GEP) problem is a highly constrained, large-scale, mixed integer nonlinear programming problem. The objective of the GEP problem is to evaluate the least cost investment plan for addition of power generating units over ...

Rishabh P. Kothari; Dirk P. Kroese

2009-12-01T23:59:59.000Z

6

Generation and transmission expansion planning for renewable energy integration  

SciTech Connect

In recent years the expansion planning problem has become increasingly complex. As expansion planning (sometimes called composite or integrated resource planning) is a non-linear and non-convex optimization problem, researchers have traditionally focused on approximate models of power flows to solve the problem. The problem has also been split into generation expansion planning (GEP) and transmission network expansion planning (TNEP) to improve computational tractability. Until recently these approximations have produced results that are straight-forward to combine and adapt to the more complex and complete problem. However, the power grid is evolving towards a state where the adaptations are no longer easy (e.g. large amounts of limited control, renewable generation, comparable generation and transmission construction costs) and necessitates new approaches. Recent work on deterministic Discrepancy Bounded Local Search (DBLS) has shown it to be quite effective in addressing the TNEP. In this paper, we propose a generalization of DBLS to handle simultaneous generation and transmission planning.

Bent, Russell W [Los Alamos National Laboratory; Berscheid, Alan [Los Alamos National Laboratory; Toole, G. Loren [Los Alamos National Laboratory

2010-11-30T23:59:59.000Z

7

Existing reactor expansion study basis  

SciTech Connect

The latest HAPO Five Year Program review, HW-59633, forecasts substantial increases in Pu production from the eight existing Hanford reactors over the next several years. These production increases would be attained by a combination of several methods which include increased reactor power levels resulting from higher process water flow rates and coolant bulk outlet temperatures, improved time operated efficiency, higher conversion ratios, and reduced transient reactivity losses. In order to provide a realistic basis for budgeting to meet these or other increased production goals, it is necessary that a study program be undertaken to determine in general terms the plant changes required to support these forecasted levels, to evaluate the economic and technical feasibility of achieving the process conditions, and to present an integrated program for achieving these objectives. This study program will necessarily consider the interrelated effects of a number of various facets of reactor and water plant process conditions, operational requirements, and proposed development programs. The purpose of this document is to present a plan for the execution of the proposed study. Included in this outline are a review of the basic study considerations, problem assignments and schedules, and manpower and cost estimates for the performance of the study.

Heacock, H.W.

1959-06-24T23:59:59.000Z

8

Incorporating oligopoly, CO2 emissions trading and green certificates into a power generation expansion model  

Science Conference Proceedings (OSTI)

This paper presents a generation expansion model for the power sector which incorporates several features that make it very interesting for application to current electricity markets: it considers the possible oligopolistic behavior of firms, and incorporates ... Keywords: Carbon emissions trading, Generation-expansion modeling, Green certificates, Oligopoly

Pedro Linares; Francisco Javier Santos; Mariano Ventosa; Luis Lapiedra

2008-06-01T23:59:59.000Z

9

Impact of unit commitment constraints on generation expansion planning with renewables  

E-Print Network (OSTI)

Growing use of renewables pushes thermal generators against operating constraints - e.g. ramping, minimum output, and operating reserves - that are traditionally ignored in expansion planning models. We show how including ...

Palmintier, Bryan Stephen

10

Scenario construction and reduction applied to stochastic power generation expansion planning  

Science Conference Proceedings (OSTI)

A challenging aspect of applying stochastic programming in a dynamic setting is to construct a set of discrete scenarios that well represents multivariate stochastic processes for uncertain parameters. Often this is done by generating a scenario tree ... Keywords: Power generation expansion planning, Scenario generation, Scenario reduction, Stochastic programming

Yonghan Feng; Sarah M. Ryan

2013-01-01T23:59:59.000Z

11

Generation Capacity Expansion in a Risky Environment: A Stochastic Equilibrium Analysis  

Science Conference Proceedings (OSTI)

We cast models of the generation capacity expansion type formally developed for the monopoly regime into equilibrium models better adapted for a competitive environment. We focus on some of the risks faced today by investors in generation capacity and ... Keywords: capacity adequacy, risk functions, stochastic equilibrium models

Andreas Ehrenmann; Yves Smeers

2011-11-01T23:59:59.000Z

12

C. A. La Electricidad de Caracas: Feasibility-study definitional report. Arreciffs Units 1 through 5 repowering project, electric power generation expansion Venezuela thermal power plant. Export trade information  

SciTech Connect

C.A. La Electricidad de Caracas (E.de C.) is a private company which in 1991 served some 830,000 customers in an area of 4,160 square kilometers surrounding Caracas. A program is underway by E.de C. for upgrading equipment and expanding the capacity of several of its existing generating facilities. The Arrecifes repowering project will involve the addition of about 330 MW of new natural gas fired gas turbine generators and heat recovery steam generators (HRSGs) to five existing thermal power units built 30 to 40 years ago which have steam turbine generator sets of 26 to 41 MW each. The existing steam boilers will be removed. The limited but seemingly sufficient space available is to be a primary focus of the feasibility study.

Not Available

1991-05-01T23:59:59.000Z

13

Notice of Study Availability - Potential Benefits of Distributed Generation  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Study Availability - Potential Benefits of Distributed Study Availability - Potential Benefits of Distributed Generation and Rate-Related Issues That May Impede Their Expansion: Federal Register Notice Volume 72, No. 40 - Mar. 1, 2007 Notice of Study Availability - Potential Benefits of Distributed Generation and Rate-Related Issues That May Impede Their Expansion: Federal Register Notice Volume 72, No. 40 - Mar. 1, 2007 Federal Register Notice of availability of a study of the potential benefits of distributed generation and rate-related issues that may impede their expansion, and request for public comment. Study of the Potential Benefits of Distributed Generation and Rate- Related Issues That May Impede Their Expansion More Documents & Publications Notice of inquiry and request for Information - Study of the potential

14

Computing confidence intervals on solution costs for stochastic grid generation expansion problems.  

DOE Green Energy (OSTI)

A range of core operations and planning problems for the national electrical grid are naturally formulated and solved as stochastic programming problems, which minimize expected costs subject to a range of uncertain outcomes relating to, for example, uncertain demands or generator output. A critical decision issue relating to such stochastic programs is: How many scenarios are required to ensure a specific error bound on the solution cost? Scenarios are the key mechanism used to sample from the uncertainty space, and the number of scenarios drives computational difficultly. We explore this question in the context of a long-term grid generation expansion problem, using a bounding procedure introduced by Mak, Morton, and Wood. We discuss experimental results using problem formulations independently minimizing expected cost and down-side risk. Our results indicate that we can use a surprisingly small number of scenarios to yield tight error bounds in the case of expected cost minimization, which has key practical implications. In contrast, error bounds in the case of risk minimization are significantly larger, suggesting more research is required in this area in order to achieve rigorous solutions for decision makers.

Woodruff, David L..; Watson, Jean-Paul

2010-12-01T23:59:59.000Z

15

Steam generator tube rupture study  

E-Print Network (OSTI)

This report describes our investigation of steam generator behavior during a postulated tube rupture accident. Our study was performed using the steam generator, thermal-hydraulic analysis code THERMIT-UTSG. The purpose ...

Free, Scott Thomas

1986-01-01T23:59:59.000Z

16

Capacity and Character Expansions: Moment generating function and other exact results for MIMO correlated channels  

E-Print Network (OSTI)

We apply a promising new method from the field of representations of Lie groups to calculate integrals over unitary groups, which are important for multi-antenna communications. To demonstrate the power and simplicity of this technique, we first re-derive a number of results that have been used recently in the community of wireless information theory, using only a few simple steps. In particular, we derive the joint probability distribution of eigenvalues of the matrix GG*, with G a semicorrelated Gaussian random matrix or a Gaussian random matrix with a non-zero mean (and G* its hermitian conjugate) . These joint probability distribution functions can then be used to calculate the moment generating function of the mutual information for Gaussian channels with multiple antennas on both ends with this probability distribution of their channel matrices G. We then turn to the previously unsolved problem of calculating the moment generating function of the mutual information of MIMO (multiple input-multiple output) channels, which are correlated at both the receiver and the transmitter. From this moment generating function we obtain the ergodic average of the mutual information and study the outage probability. These methods can be applied to a number of other problems. As a particular example, we examine unitary encoded space-time transmission of MIMO systems and we derive the received signal distribution when the channel matrix is correlated at the transmitter end.

Steven H. Simon; Aris L. Moustakas; Luca Marinelli

2005-09-27T23:59:59.000Z

17

Expansion of the cathode spot and generation of shock waves in the plasma of a volume discharge in atmospheric-pressure helium  

SciTech Connect

The expansion of the cathode spot and the generation of shock waves during the formation and development of a pulsed volume discharge in atmospheric-pressure helium were studied by analyzing the emission spectra of the cathode plasma and the spatiotemporal behavior of the plasma glow. The transition of a diffuse volume discharge in a centimeter-long gap into a high-current diffuse mode when the gas pressure increased from 1 to 5 atm and the applied voltage rose from the statistical breakdown voltage to a 100% overvoltage was investigated. Analytical expressions for the radius of the cathode spot and its expansion velocity obtained in the framework of a spherically symmetric model agree satisfactorily with the experimental data.

Omarov, O. A.; Kurbanismailov, V. S.; Arslanbekov, M. A.; Gadzhiev, M. Kh.; Ragimkhanov, G. B.; Al-Shatravi, Ali J. G. [Dagestan State University (Russian Federation)

2012-01-15T23:59:59.000Z

18

Optimal Generation Expansion Planning for Electric Utilities Using Decomposition and Probabilistic Simulation Techniques  

E-Print Network (OSTI)

Three related methods are presented for determining the least-cost generating capacity investments required to meet given future demands for electricity. The models are based on application of large-scale mathematical ...

Bloom, Jeremy A.

19

A multistage model for distribution expansion planning with distributed generation in a deregulated electricity market  

Science Conference Proceedings (OSTI)

Distribution systems management is becoming an increasingly complicated issue due to the introduction of new technologies, new energy trading strategies and a new deregulated environment. In the new deregulated energy market and considering the incentives ... Keywords: GAMS-MATLAB interface, distributed generation (DG), distribution company (DISCO), investment payback time, microturbine, social welfare

S. Porkar; A. Abbaspour-Tehrani-Fard; P. Poure; S. Saadate

2010-06-01T23:59:59.000Z

20

NEXT GENERATION TURBINE SYSTEM STUDY  

DOE Green Energy (OSTI)

Rolls-Royce has completed a preliminary design and marketing study under a Department of Energy (DOE) cost shared contract (DE-AC26-00NT40852) to analyze the feasibility of developing a clean, high efficiency, and flexible Next Generation Turbine (NGT) system to meet the power generation market needs of the year 2007 and beyond. Rolls-Royce evaluated the full range of its most advanced commercial aerospace and aeroderivative engines alongside the special technologies necessary to achieve the aggressive efficiency, performance, emissions, economic, and flexibility targets desired by the DOE. Heavy emphasis was placed on evaluating the technical risks and the economic viability of various concept and technology options available. This was necessary to ensure the resulting advanced NGT system would provide extensive public benefits and significant customer benefits without introducing unacceptable levels of technical and operational risk that would impair the market acceptance of the resulting product. Two advanced cycle configurations were identified as offering significant advantages over current combined cycle products available in the market. In addition, balance of plant (BOP) technologies, as well as capabilities to improve the reliability, availability, and maintainability (RAM) of industrial gas turbine engines, have been identified. A customer focused survey and economic analysis of a proposed Rolls-Royce NGT product configuration was also accomplished as a part of this research study. The proposed Rolls-Royce NGT solution could offer customers clean, flexible power generation systems with very high efficiencies, similar to combined cycle plants, but at a much lower specific cost, similar to those of simple cycle plants.

Frank Macri

2002-02-28T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


21

Competitive Generation Market Study -- California  

Science Conference Proceedings (OSTI)

A growing number of states are unbundling utility services with the objective of creating a competitive open retail market for electric energy and other traditionally regulated utility services. Currently, each state or region has its own approach to unbundling and dealing with various issues such as stranded assets, market power, generation and fuel portfolio requirements, transmission system operation, and electricity pricing. Existing generating asset value and technology choice for new generation pro...

1998-12-28T23:59:59.000Z

22

Wind Generation Feasibility Study in Bethel, AK  

DOE Green Energy (OSTI)

This report studies the wind resources in the Yukon-Kuskokwim Health Corporation (YKHC) region, located in southwestern Alaska, and the applicability of wind generation technologies to YKHC facilities.

Tom Humphrey, YKHC; Lance Kincaid, EMCOR Energy & Technologies

2004-07-31T23:59:59.000Z

23

A Comparative Study of Metaheuristic Methods for Transmission Network Expansion Planning  

Science Conference Proceedings (OSTI)

Transmission network expansion planning is a very complex and computationally demanding problem due to the discrete nature of the optimization variables. This complexity has increased even more in a restructured deregulated environment. In this regard, ... Keywords: Bacteria Foraging, Genetic Algorithm, Metaheuristics, Particle Swarm Optimization, Transmission Expansion Planning

Ashu R. Verma; P. K. Bijwe; B. Panigrahi

2010-10-01T23:59:59.000Z

24

NEXT GENERATION GAS TURBINE SYSTEMS STUDY  

SciTech Connect

Under sponsorship of the U.S. Department of Energy's National Energy Technology Laboratory, Siemens Westinghouse Power Corporation has conducted a study of Next Generation Gas Turbine Systems that embraces the goals of the DOE's High Efficiency Engines and Turbines and Vision 21 programs. The Siemens Westinghouse Next Generation Gas Turbine (NGGT) Systems program was a 24-month study looking at the feasibility of a NGGT for the emerging deregulated distributed generation market. Initial efforts focused on a modular gas turbine using an innovative blend of proven technologies from the Siemens Westinghouse W501 series of gas turbines and new enabling technologies to serve a wide variety of applications. The flexibility to serve both 50-Hz and 60-Hz applications, use a wide range of fuels and be configured for peaking, intermediate and base load duty cycles was the ultimate goal. As the study progressed the emphasis shifted from a flexible gas turbine system of a specific size to a broader gas turbine technology focus. This shift in direction allowed for greater placement of technology among both the existing fleet and new engine designs, regardless of size, and will ultimately provide for greater public benefit. This report describes the study efforts and provides the resultant conclusions and recommendations for future technology development in collaboration with the DOE.

Benjamin C. Wiant; Ihor S. Diakunchak; Dennis A. Horazak; Harry T. Morehead

2003-03-01T23:59:59.000Z

25

NEXT GENERATION GAS TURBINE SYSTEMS STUDY  

DOE Green Energy (OSTI)

Under sponsorship of the U.S. Department of Energy's National Energy Technology Laboratory, Siemens Westinghouse Power Corporation has conducted a study of Next Generation Gas Turbine Systems that embraces the goals of the DOE's High Efficiency Engines and Turbines and Vision 21 programs. The Siemens Westinghouse Next Generation Gas Turbine (NGGT) Systems program was a 24-month study looking at the feasibility of a NGGT for the emerging deregulated distributed generation market. Initial efforts focused on a modular gas turbine using an innovative blend of proven technologies from the Siemens Westinghouse W501 series of gas turbines and new enabling technologies to serve a wide variety of applications. The flexibility to serve both 50-Hz and 60-Hz applications, use a wide range of fuels and be configured for peaking, intermediate and base load duty cycles was the ultimate goal. As the study progressed the emphasis shifted from a flexible gas turbine system of a specific size to a broader gas turbine technology focus. This shift in direction allowed for greater placement of technology among both the existing fleet and new engine designs, regardless of size, and will ultimately provide for greater public benefit. This report describes the study efforts and provides the resultant conclusions and recommendations for future technology development in collaboration with the DOE.

Benjamin C. Wiant; Ihor S. Diakunchak; Dennis A. Horazak; Harry T. Morehead

2003-03-01T23:59:59.000Z

26

Case Study: Darlington Nuclear Generating Station  

Science Conference Proceedings (OSTI)

Darlington is a four-reactor nuclear plant east of Toronto. It is operated by Ontario Hydro. Each reactor has two independent shutdown systems: SDS1 drops neutron-absorbing rods into the core, while SDS2 injects liquid poison into the moderator. Both ... Keywords: Atomic Energy Control Board of Canada, Canada, Darlington nuclear generating station, Ontario Hydro, case study, certification, code quality, decision-making logic, documentation, fission reactor core control and monitoring, fission reactor safety, formal methods, formal model-based inspection, formal specification, licensing, liquid poison injection, neutron-absorbing rods, nuclear engineering computing, nuclear plant, safety, safety-critical systems, software driven shutdown systems, software reliability, specifications

Dan Craigen; Susan Gerhart; Ted Ralston

1994-01-01T23:59:59.000Z

27

Explosively-driven magnetohydrodynamic (MHD) generator studies  

DOE Green Energy (OSTI)

Plasma jet generators have been designed and tested which used an explosive driver and shocktube with a rectangular cross section that optimize the flow velocity and electrical conductivity. The latest in a series of designs has been tested using a reactive load to diagnose the electrical properties of the MHD generator/electromagnet combination. The results of these tests indicate that the plasma jet/MHD generator design does generate a flow velocity greater than 25 km/s and produces several gigawatts of pulsed power in a very small package size. A larger, new generator design is also presented.

Agee, F.J.; Lehr, F.M. [Phillips Lab., Kirtland AFB, NM (United States); Vigil, M.; Kaye, R. [Sandia National Labs., Albuquerque, NM (United States); Gaudet, J.; Shiffler, D. [New Mexico Univ., Albuquerque, NM (United States)

1995-08-01T23:59:59.000Z

28

A feasibility study of low-order harmonics expansion applied to loading pattern search  

SciTech Connect

Despite significant progress in core loading pattern search methods over years, there still remains the issue of large computing workload and the need for improving the speed of evaluating loading pattern candidates during the search process. This paper focuses on improving the computing speed for loading pattern evaluation, rather than the method of searching for the patterns. A low order harmonics expansion method for flux distribution representation is proposed for fast LP evaluation application. The novel feature of the method is the separation of the short range local perturbation effect from the long range global tilt effect. The latter effect can be captured by low order harmonics expansion. Demonstration examples are presented to show that even for extremely large perturbations induced by fuel shuffling the proposed method can accurately calculate the flux distribution for the LP with very minimal computation. (authors)

Shaohong, Z.; Dong, L.; Tao, W. [Shanghai Jiao Tong Univ., 1954 Hua Shan Road, Shanghai, 200030 (China); Chao, Y. A. [Westinghouse Electric Company, P. O. Box 355, Pittsburgh, PA 15230-0355 (United States)

2006-07-01T23:59:59.000Z

29

Report on Distributed Generation Penetration Study  

Science Conference Proceedings (OSTI)

This report documents part of a multiyear research program dedicated to the development of requirements to support the definition, design, and demonstration of a distributed generation-electric power system interconnection interface concept. The report focuses on the dynamic behavior of power systems when a significant portion of the total energy resource is distributed generation. It also focuses on the near-term reality that the majority of new DG relies on rotating synchronous generators for energy conversion.

Miller, N.; Ye, Z.

2003-08-01T23:59:59.000Z

30

Equations of state for self-excited MHD generator studies  

DOE Green Energy (OSTI)

We have constructed a state-of-the-art equation of state (EOS) for argon covering the temperature density range attainable by currently proposed self-excited MHD generators. The EOS for conditions in the flow channel was obtained primarily by a non-ideal plasma code (ACTEX) that is based on a many body activity expansion. For conditions in the driver chamber the EOS was primarily obtained from a fluid code (HDFP) that calculates the fluid properties from perturbation theory based on the insulator interatomic pair potential but including electronic excitations. The results are in agreement with several sets of experimental data in the 0.6 - 91 GPa pressure range.

Rogers, F.J.; Ross, M.; Haggin, G.L.; Wong, L.K.

1980-02-26T23:59:59.000Z

31

Distributed Generation Study/Patterson Farms CHP System Using...  

Open Energy Info (EERE)

Farms CHP System Using Renewable Biogas < Distributed Generation Study Jump to: navigation, search Study Location Auburn, New York Site Description Agricultural Study Type Field...

32

Thermal expansion and decomposition of jarosite: a high-temperature neutron diffraction study  

DOE Green Energy (OSTI)

The structure of deuterated jarosite, KFe{sub 3}(SO{sub 4}){sub 2}(OD){sub 6}, was investigated using time-of-flight neutron diffraction up to its dehydroxylation temperature. Rietveld analysis reveals that with increasing temperature, its c dimension expands at a rate {approx}10 times greater than that for a. This anisotropy of thermal expansion is due to rapid increase in the thickness of the (001) sheet of [Fe(O,OH){sub 6}] octahedra and [SO{sub 4}] tetrahedra with increasing temperature. Fitting of the measured cell volumes yields a coefficient of thermal expansion, a = a{sub 0} + a{sub 1} T, where a{sub 0} = 1.01 x 10{sup -4} K{sup -1} and a{sub 1} = -1.15 x 10{sup -7} K{sup -2}. On heating, the hydrogen bonds, O1{hor_ellipsis}D-O3, through which the (001) octahedral-tetrahedral sheets are held together, become weakened, as reflected by an increase in the D{hor_ellipsis}O1 distance and a concomitant decrease in the O3-D distance with increasing temperature. On further heating to 575 K, jarosite starts to decompose into nanocrystalline yavapaiite and hematite (as well as water vapor), a direct result of the breaking of the hydrogen bonds that hold the jarosite structure together.

Xu, Hongwu [Los Alamos National Laboratory; Zhao, Yusheng [Los Alamos National Laboratory; Vogel, Sven C [Los Alamos National Laboratory; Hickmott, Donald D [Los Alamos National Laboratory; Daemen, Luke L [Los Alamos National Laboratory; Hartl, Monika A [Los Alamos National Laboratory

2009-01-01T23:59:59.000Z

33

NEXT GENERATION MELTER OPTIONEERING STUDY - INTERIM REPORT  

SciTech Connect

The next generation melter (NOM) development program includes a down selection process to aid in determining the recommended vitrification technology to implement into the WTP at the first melter change-out which is scheduled for 2025. This optioneering study presents a structured value engineering process to establish and assess evaluation criteria that will be incorporated into the down selection process. This process establishes an evaluation framework that will be used progressively throughout the NGM program, and as such this interim report will be updated on a regular basis. The workshop objectives were achieved. In particular: (1) Consensus was reached with stakeholders and technology providers represented at the workshop regarding the need for a decision making process and the application of the D{sub 2}0 process to NGM option evaluation. (2) A framework was established for applying the decision making process to technology development and evaluation between 2010 and 2013. (3) The criteria for the initial evaluation in 2011 were refined and agreed with stakeholders and technology providers. (4) The technology providers have the guidance required to produce data/information to support the next phase of the evaluation process. In some cases it may be necessary to reflect the data/information requirements and overall approach to the evaluation of technology options against specific criteria within updated Statements of Work for 2010-2011. Access to the WTP engineering data has been identified as being very important for option development and evaluation due to the interface issues for the NGM and surrounding plant. WRPS efforts are ongoing to establish precisely data that is required and how to resolve this Issue. It is intended to apply a similarly structured decision making process to the development and evaluation of LAW NGM options.

GRAY MF; CALMUS RB; RAMSEY G; LOMAX J; ALLEN H

2010-10-19T23:59:59.000Z

34

NEXT GENERATION GAS TURBINE (NGGT) SYSTEMS STUDY  

SciTech Connect

Building upon the 1999 AD Little Study, an expanded market analysis was performed by GE Power Systems in 2001 to quantify the potential demand for an NGGT product. This analysis concluded that improvements to the US energy situation might be best served in the near/mid term (2002-2009) by a ''Technology-Focused'' program rather than a specific ''Product-Focused'' program. Within this new program focus, GEPS performed a parametric screening study of options in the three broad candidate categories of gas turbines: aero-derivative, heavy duty, and a potential hybrid combining components of the other two categories. GEPS's goal was to determine the best candidate systems that could achieve the DOE PRDA expectations and GEPS's internal design criteria in the period specified for initial product introduction, circa 2005. Performance feasibility studies were conducted on candidate systems selected in the screening task, and critical technology areas were identified where further development would be required to meet the program goals. DOE PRDA operating parameters were found to be achievable by 2005 through evolutionary technology. As a result, the study was re-directed toward technology enhancements for interim product introductions and advanced/revolutionary technology for potential NGGT product configurations. Candidate technologies were identified, both evolutionary and revolutionary, with a potential for possible development products via growth step improvements. Benefits were analyzed from two perspectives: (1) What would be the attributes of the top candidate system assuming the relevant technologies were developed and available for an NGGT market opportunity in 2009/2010; and (2) What would be the expected level of public benefit, assuming relevant technologies were incorporated into existing new and current field products as they became available. Candidate systems incorporating these technologies were assessed as to how they could serve multiple applications, both in terms of incorporation of technology into current products, as well as to an NGGT product. In summary, potential program costs are shown for development of the candidate systems along with the importance of future DOE enabling participation. Three main conclusions have been established via this study: (1) Rapid recent changes within the power generation regulatory environment and the resulting ''bubble'' of gas turbine orders has altered the timing and relative significance associated with the conclusions of the ADL study upon which the original DOE NGGT solicitation was based. (2) Assuming that the relevant technologies were developed and available for an NGGT market opportunity circa 2010, the top candidate system that meets or exceeds the DOE PRDA requirements was determined to be a hybrid aero-derivative/heavy duty concept. (3) An investment by DOE of approximately $23MM/year to develop NGGT technologies near/mid term for validation and migration into a reasonable fraction of the installed base of GE F-class products could be leveraged into $1.2B Public Benefit, with greatest benefits resulting from RAM improvements. In addition to the monetary Public Benefit, there is also significant benefit in terms of reduced energy consumption, and reduced power plant land usage.

Unknown

2001-12-05T23:59:59.000Z

35

Operation of Mammoth Pacific`s MP1-100 turbine with metastable, supersaturated expansions  

SciTech Connect

INEL`s Heat Cycle Research project continues to develop a technology base for increasing use of moderate-temperature hydrothermal resources to generate electrical power. One concept is the use of metastable, supersaturated turbine expansions. These expansions support a supersaturated working fluid vapor; at equilibrium conditions, liquid condensate would be present during the turbine expansion process. Studies suggest that if these expansions do not adversely affect the turbine performance, up to 8-10% more power could be produced from a given geothermal fluid. Determining the impact of these expansions on turbine performance is the focus of the project investigations being reported.

Mines, G.L.

1996-01-01T23:59:59.000Z

36

Eastern Renewable Generation Integration Study: Initial Results (Poster)  

DOE Green Energy (OSTI)

This poster presents an overview of the Eastern Renewable Generation Integration Study, which aims to answer critical questions about the future of the Eastern Interconnection under high levels of solar and wind generation penetration.

Bloom, A.; Townsend, A.; Hummon, M.; Weekley, A.; Clark, K.; King, J.

2013-10-01T23:59:59.000Z

37

Two case studies in grammar-based test generation  

Science Conference Proceedings (OSTI)

Grammar-based test generation (GBTG) has seen extensive study and practical use since the 1970s. GBTG was introduced to generate source code for testing compilers from context-free grammars specifying language syntax. More recently, GBTG has been applied ... Keywords: Automated testing, Covering array, Grammar-based test generation, Really Simple Syndication (RSS), TCP, eXtended Markup Language (XML)

Daniel Hoffman; Hong-Yi Wang; Mitch Chang; David Ly-Gagnon; Lewis Sobotkiewicz; Paul Strooper

2010-12-01T23:59:59.000Z

38

Berkeley Lab Study of Hydrogen Generating Technology's Lifecycle...  

NLE Websites -- All DOE Office Websites (Extended Search)

Berkeley Lab Study of Hydrogen Generating Technology's Lifecycle Net Energy Balance Designated a 'Hot' Article by Journal Photoelectrochemical hydrogen technology LCA analysis July...

39

Exploratory Study of Waste Generation and Waste Minimization in Sweden.  

E-Print Network (OSTI)

?? The current thesis presents an exploratory study on municipal solid waste generation and minimization in Sweden, with a focus on their connection to basic… (more)

Kuslyaykina, Dina

2013-01-01T23:59:59.000Z

40

2011 Next Generation Manufacturing Study 2011 Next ...  

Science Conference Proceedings (OSTI)

... well: 28% of manufacturers reported they were ... The NGM Study manufacturers report annual revenues ... 0.7% 0.5% Petroleum and Coal Products Mfg ...

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


41

Electricity Generation and Environmental Externalities: Case Studies  

Reports and Publications (EIA)

Provides an overview of the economic foundation of externalities, the Federal and State regulatory approaches, and case studies of the impacts of the externality policies adopted by three States.

Information Center

1995-09-01T23:59:59.000Z

42

Experimental power reactor dc generator energy storage study  

DOE Green Energy (OSTI)

This study covers the use of dc generators for meeting the Experimental Power Reactor Ohmic Heating Energy Storage Requirements. The dc generators satisfy these requirements which are the same as defined in WFPS-TME-038 which covered the use of ac generators and homopolar generators. The costs of the latter two systems have been revised to eliminate first-of-a-kind factors. The cost figures for dc generators indicate a need to develop larger machines in order to take advantage of the economy-of-scale that the large ac machines have. Each of the systems has its own favorable salient features on which to base a system selection.

Heck, F.M.; Smeltzer, G.S.; Myers, E.H.; Kilgore, L.

1978-08-25T23:59:59.000Z

43

NEXT GENERATION GAS TURBINE (NGGT) SYSTEMS STUDY  

SciTech Connect

The ADL NGGT analysis focuses on intermediate load applications, but recognizes peaking, repowering, ancillary services, cogen, and green power requirements. In light of identifying new markets, GE will re-examine the changing customer needs since the original ADL study. The priorities of this potential customer base can be structured into key requirements for a broader cross-section of customers and applications, and a balanced view identifying the key potential customer segments will result. Given the potential for non-U.S. market segments, a broader global approach will be adopted. GEPS will translate these customer segments into customer needs, further testing the requirements listed in the original study. These customer needs will be prioritized and compared so that a balanced view of performance requirements will be identified. The performance requirements will be translated in specific design requirements for a potential AMGT-type product.

2000-10-12T23:59:59.000Z

44

Feasibility study on the modernization and expansion of the Tema Oil Refinery. Executive Summary. Export trade information  

Science Conference Proceedings (OSTI)

The Tema Oil Refinery (TOR), which was commissioned in 1963, is a simple hydro-skimming plant which processes crude oil into LPG, gasoline, kerosene, gasoil, and fuel oil. It is the only petroleum refinery in Ghana. Over the years some of the equipment in the refinery has deteriorated or become obsolete necessitating major rehabilitation. A study of the refinery expansion project takes into consideration earlier studies and, equally important, recognizes the extensive work done by TOR in rehabilitating the refinery. The program, carried out in phases because of funding limitations, has addressed the critical repairs and replacements in the process units and utilities necessary to prolong the life of the refinery and assure reliability and safe operation. It undertook the task of investigating the feasibility of modernizing and expanding the refinery at Tema, Ghana to meet projected market demands until the year 2005. A process planning study was conducted to select the optimal process and utility configuration which would result in economic benefits to Ghana.

Not Available

1992-04-01T23:59:59.000Z

45

Capacity expansion in contemporary telecommunication networks  

E-Print Network (OSTI)

We study three capacity expansion problems in contemporary long distance telecommunication networks. The first two problems, motivated by a major long distance provider, address capacity expansion in national hybrid long ...

Sivaraman, Raghavendran

2007-01-01T23:59:59.000Z

46

Distributed Generation Study/SUNY Buffalo | Open Energy Information  

Open Energy Info (EERE)

Distributed Generation Study/SUNY Buffalo Distributed Generation Study/SUNY Buffalo < Distributed Generation Study Jump to: navigation, search Study Location Buffalo, New York Site Description Institutional-School/University Study Type Long-term Monitoring Technology Microturbine Prime Mover Capstone C60 Heat Recovery Systems Built-in Fuel Natural Gas System Installer Gerster Trane System Enclosure Outdoor System Application Combined Heat and Power Number of Prime Movers 2 Stand-alone Capability None Power Rating 120 kW0.12 MW 120,000 W 120,000,000 mW 1.2e-4 GW 1.2e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 600000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2002/12/11 Monitoring Termination Date 2004/08/11

47

TRU Waste Sampling Program: Volume II. Gas generation studies  

DOE Green Energy (OSTI)

Volume II of the TRU Waste Sampling Program report contains the data generated from evaluating the adequacy of venting/filtering devices for maintaining safe hydrogen levels in plutonium contaminated waste drums. Additional studies reported in this volume include gas generation rates, selected waste form monitoring, and evaluation of hydrogen migration from sealed 90-mil rigid polyethylene drum liners containing /sup 238/Pu-contaminated wastes. All wastes used in the studies were newly-generated, and the waste drums were under controlled, experimental conditions. Studies using /sup 239/Pu-contaminated wastes were conducted at the Rocky Flats Plant. Studies using /sup 238/Pu-contaminated wastes were conducted at the Los Alamos National Laboratory.

Clements, T.L. Jr.; Kudera, D.E.

1985-09-01T23:59:59.000Z

48

Steam Generator Automated Eddy Current Data Analysis: A Benchmarking Study  

Science Conference Proceedings (OSTI)

This benchmarking study informs utility nondestructive evaluation (NDE) engineers of the status of automating analysis of data from steam generator tube eddy current testing. Study results will contribute to a detailed plan for continuing development of automated data analysis system processes. One day, automated data analysis will provide utilities with a consistent, accurate, and cost-effective method of analyzing eddy current inspection data.

1998-12-16T23:59:59.000Z

49

A Study of Homogeneous Condensation-Freezing Nucleation of Small Water Droplets in an Expansion Cloud Chamber  

Science Conference Proceedings (OSTI)

Observations of the homogeneous nucleation of water vapor in an expansion cloud chamber have been carried out for the temperature range ?50 to +17°C in the carrier gases argon and helium. We have found that the onset of the ice phase in freshly ...

Rodney J. Anderson; Ronald C. Miller; James L. Kassner Jr.; Donald E. Hagen

1980-11-01T23:59:59.000Z

50

Distributed Generation Market Study: Advanced Turbine System Program  

Science Conference Proceedings (OSTI)

The ultra high efficiency, environmental superiority, and cost competitiveness of advanced turbine systems (ATSs) makes them attractive candidates for use in the near future in distributed generation applications. This study found that ATS engines with the cost and performance characteristics provided by Allison Engine Company (Allison) could have a significant regional market in the 2000-2005 time period.

1999-03-10T23:59:59.000Z

51

Generating Alternatives Using Simulation-Optimization Combined with Niching Operators to Address Unmodelled Objectives in a Waste Management Facility Expansion Planning Case  

Science Conference Proceedings (OSTI)

Public sector decision-making typically involves complex problems that are riddled with incompatible performance objectives and possess competing design requirements which are very difficult-if not impossible-to quantify and capture when supporting decision ... Keywords: Environmental Decision Making Under Uncertainty, Modelling to Generate Alternatives MGA, Niching Operators, Planning, Simulation-Optimization SO, Strategy

Julian Scott Yeomans, Yavuz Gunalay

2013-04-01T23:59:59.000Z

52

Distributed Generation Study/Sea Rise 2 | Open Energy Information  

Open Energy Info (EERE)

Distributed Generation Study Distributed Generation Study Jump to: navigation, search Study Location Brooklyn, New York Site Description Residential-Multifamily-Single Building Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Coast Intelligen CI60 Heat Recovery Systems Built-in Fuel Natural Gas System Installer Grenadier Realty System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 2 Stand-alone Capability None Power Rating 120 kW0.12 MW 120,000 W 120,000,000 mW 1.2e-4 GW 1.2e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 1300000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2006/08/30 Monitoring Termination Date 1969/12/31

53

Distributed Generation Study/Sea Rise 1 | Open Energy Information  

Open Energy Info (EERE)

Distributed Generation Study Distributed Generation Study Jump to: navigation, search Study Location Brooklyn, New York Site Description Residential-Multifamily-Single Building Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Coast Intelligen CI60 Heat Recovery Systems Built-in Fuel Natural Gas System Installer Grenadier Realty System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 2 Stand-alone Capability None Power Rating 120 kW0.12 MW 120,000 W 120,000,000 mW 1.2e-4 GW 1.2e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 1300000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2006/08/30 Monitoring Termination Date 1969/12/31

54

Distributed Generation Study/Harbec Plastics | Open Energy Information  

Open Energy Info (EERE)

< Distributed Generation Study < Distributed Generation Study Jump to: navigation, search Study Location Ontario, New York Site Description Industrial-Plastics Processing Study Type Long-term Monitoring Technology Microturbine Prime Mover Capstone C30 Heat Recovery Systems Built-in Fuel Natural Gas System Installer Northern Development System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 25 Stand-alone Capability None Power Rating 750 kW0.75 MW 750,000 W 750,000,000 mW 7.5e-4 GW 7.5e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 3750000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2005/10/06 Monitoring Termination Date 1969/12/31 Primary Power Application Based Load

55

Transmission Expansion Planning with Re-design  

E-Print Network (OSTI)

Expanding an electrical transmission network requires heavy investments ... Long term transmission expansion planning determines, over an horizon of 10 or more years, ... generation sites are usually far away from the consumption centers.

56

Stability of Anisotropic Cylinder with Zero Expansion  

E-Print Network (OSTI)

We study the dynamical instability of anisotropic collapsing cylinder with the expansion-free condition, which generates vacuum cavity within fluid distribution. The perturbation scheme is applied to distinguish Newtonian, post-Newtonian and post-post Newtonian terms, which are used for constructing dynamical equation at Newtonian and post-Newtonian regimes. We analyze the role of pressure anisotropy and energy density inhomogeneity on the stability of collapsing cylinder. It turns out that stability of the cylinder depends upon these physical properties of the fluid, not on the stiffness of the fluid.

M. Sharif; M. Azam

2013-05-24T23:59:59.000Z

57

Stability of Anisotropic Cylinder with Zero Expansion  

E-Print Network (OSTI)

We study the dynamical instability of anisotropic collapsing cylinder with the expansion-free condition, which generates vacuum cavity within fluid distribution. The perturbation scheme is applied to distinguish Newtonian, post-Newtonian and post-post Newtonian terms, which are used for constructing dynamical equation at Newtonian and post-Newtonian regimes. We analyze the role of pressure anisotropy and energy density inhomogeneity on the stability of collapsing cylinder. It turns out that stability of the cylinder depends upon these physical properties of the fluid, not on the stiffness of the fluid.

Sharif, M

2013-01-01T23:59:59.000Z

58

National and Racial Identity and the Desire for Expansion: A Study of American Travel Narratives, 1790-1850  

E-Print Network (OSTI)

This dissertation aims to investigate the shaping of a national literature within travel narratives written by William Bartram, Washington Irving, George Catlin, Thomas L. McKenney, Thomas Jefferson Farnham, and Francis Parkman. I focus attention on two issues: (1) National and racial identity, and (2) Territorial, cultural, and capitalist expansionism. National and racial identity construction is examined by clarifying how the narratives’ underlying voices—the National Symbolic and the Racial Symbolic—encourage the reading public to embrace the values vital in forging American collective identity. Identity invention is also seen in romantic representations of the American landscape and Native Americans. Between 1790 and 1850, the widespread trope of the Noble Savage and “distantiation” working in the Burkean aesthetics of the sublime were used as ideological frames for viewing “Others,” crucial in defining the American “self” by making the white Americans’ shift of association/dissociation with their primitivized Others possible. In order to analyze the narratives’ representation of expansionism as a national desire, this study investigates how romantic rhetoric and the appeal to morality (or the Law) were employed as decisive ideological foundations for rationalizing expansionism. Chapter I establishes the legitimacy of evaluating travel narratives as a significant part of America’s national literature. Chapter II reveals that democracy, masculine robustness, and the myth that Americans are a chosen people of progress are featured aspects in the portrayals of American pathfinders. Chapter III shows that the racial identity of “civilized whites” is forged in accordance with a miscegenation taboo informing negative portrayals of half-breeds and racial boundary crossing. Chapter IV illustrates that American freedom, simplicity, wholesome civilization, and youthfulness are presented as national characteristics through adapting the romantic tropes of the Noble Savage and the aesthetics of the sublime. Chapter V investigates the perverse mode of desiring in the iterative triangular relationship between romanticism, morality, and expansionism—the nation’s civilizing project par excellence. Chapter VI appraises the travel narratives’ roles in defining American selfhood and reflecting (and promoting) an imperialistic desire for expansion.

Jeong, Jin Man

2011-05-01T23:59:59.000Z

59

Newly Generated Liquid Waste Processing Alternatives Study, Volume 1  

SciTech Connect

This report identifies and evaluates three options for treating newly generated liquid waste at the Idaho Nuclear Technology and Engineering Center of the Idaho National Engineering and Environmental Laboratory. The three options are: (a) treat the waste using processing facilities designed for treating sodium-bearing waste, (b) treat the waste using subcontractor-supplied mobile systems, or (c) treat the waste using a special facility designed and constructed for that purpose. In studying these options, engineers concluded that the best approach is to store the newly generated liquid waste until a sodium-bearing waste treatment facility is available and then to co-process the stored inventory of the newly generated waste with the sodium-bearing waste. After the sodium-bearing waste facility completes its mission, two paths are available. The newly generated liquid waste could be treated using the subcontractor-supplied system or the sodium-bearing waste facility or a portion of it. The final decision depends on the design of the sodium-bearing waste treatment facility, which will be completed in coming years.

Landman, William Henry; Bates, Steven Odum; Bonnema, Bruce Edward; Palmer, Stanley Leland; Podgorney, Anna Kristine; Walsh, Stephanie

2002-09-01T23:59:59.000Z

60

Distributed Generation Study/Arrow Linen | Open Energy Information  

Open Energy Info (EERE)

Study/Arrow Linen Study/Arrow Linen < Distributed Generation Study Jump to: navigation, search Study Location Brooklyn, New York Site Description Commercial-Other Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Coast Intelligen 150-IC with ECS Heat Recovery Systems Built-in Fuel Natural Gas System Installer Energy Concepts System Enclosure Outdoor System Application Combined Heat and Power Number of Prime Movers 2 Stand-alone Capability None Power Rating 300 kW0.3 MW 300,000 W 300,000,000 mW 3.0e-4 GW 3.0e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 3000000 Cooling Capacity (Refrig/Tons) Origin of Controller 3rd Party Off-the-Shelf Component Integration Customer Assembled Start Date 2005/03/01 Monitoring Termination Date 1969/12/31

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


61

Transmission Expansion Planning Using an AC Model  

E-Print Network (OSTI)

Jan 2, 2013 ... Abstract: Transmission expansion planning (TEP) is a rather complicated process which requires extensive studies to determine when, where ...

62

Distributed Generation Study/Elgin Community College | Open Energy  

Open Energy Info (EERE)

Elgin Community College Elgin Community College < Distributed Generation Study Jump to: navigation, search Study Location Elgin, Illinois Site Description Institutional-School/University Study Type Case Study Technology Internal Combustion Engine Prime Mover Waukesha VHP5108GL Heat Recovery Systems Beaird Maxim Model TRP-12 Fuel Natural Gas System Installer Morse Electric Company System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 4 Stand-alone Capability Manual Power Rating 3220 kW3.22 MW 3,220,000 W 3,220,000,000 mW 0.00322 GW 3.22e-6 TW Nominal Voltage (V) 4160 Heat Recovery Rating (BTU/hr) 11200000 Cooling Capacity (Refrig/Tons) 550 Origin of Controller 3rd Party Off-the-Shelf Component Integration Customer Assembled Start Date 1997/05/01

63

Distributed Generation Study/Dakota Station (Minnegasco) | Open Energy  

Open Energy Info (EERE)

Station (Minnegasco) Station (Minnegasco) < Distributed Generation Study Jump to: navigation, search Study Location Burnsville, Minnesota Site Description Other Utility Study Type Case Study Technology Microturbine Prime Mover Capstone C30 Heat Recovery Systems Unifin Fuel Natural Gas System Installer Capstone Turbine Corp System Enclosure Outdoor System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability None Power Rating 30 kW0.03 MW 30,000 W 30,000,000 mW 3.0e-5 GW 3.0e-8 TW Nominal Voltage (V) 0 Heat Recovery Rating (BTU/hr) 290000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Customer Assembled Start Date 2000/03/13 Monitoring Termination Date 2002/03/31 Primary Power Application Based Load

64

Feasibility Study of Biomass Electrical Generation on Tribal Lands  

DOE Green Energy (OSTI)

The goals of the St. Croix Tribe are to develop economically viable energy production facilities using readily available renewable biomass fuel sources at an acceptable cost per kilowatt hour ($/kWh), to provide new and meaningful permanent employment, retain and expand existing employment (logging) and provide revenues for both producers and sellers of the finished product. This is a feasibility study including an assessment of available biomass fuel, technology assessment, site selection, economics viability given the foreseeable fuel and generation costs, as well as an assessment of the potential markets for renewable energy.

Tom Roche; Richard Hartmann; Joohn Luton; Warren Hudelson; Roger Blomguist; Jan Hacker; Colene Frye

2005-03-29T23:59:59.000Z

65

Distributed Generation Study/Wyoming County Community Hospital | Open  

Open Energy Info (EERE)

Wyoming County Community Hospital Wyoming County Community Hospital < Distributed Generation Study Jump to: navigation, search Study Location Warsaw, New York Site Description Institutional-Hospital/Health Care Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Waukesha VGF L36GSID Heat Recovery Systems Built-in Fuel Natural Gas System Installer Gerster Trane System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability Seamless Power Rating 560 kW0.56 MW 560,000 W 560,000,000 mW 5.6e-4 GW 5.6e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 1000000 Cooling Capacity (Refrig/Tons) Origin of Controller 3rd Party Off-the-Shelf Component Integration Customer Assembled Start Date 2001/09/26

66

Distributed Generation Study/Patterson Farms CHP System Using Renewable  

Open Energy Info (EERE)

Farms CHP System Using Renewable Farms CHP System Using Renewable Biogas < Distributed Generation Study Jump to: navigation, search Study Location Auburn, New York Site Description Agricultural Study Type Field Test Technology Internal Combustion Engine Prime Mover Caterpillar G379 Heat Recovery Systems Built-in Fuel Biogas System Installer Martin Machinery System Enclosure Dedicated Shelter System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability None Power Rating 200 kW0.2 MW 200,000 W 200,000,000 mW 2.0e-4 GW 2.0e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 1366072 Cooling Capacity (Refrig/Tons) Origin of Controller 3rd Party Custom Made Component Integration Customer Assembled Start Date 2007/05/02 Monitoring Termination Date 2007/05/26

67

Distributed Generation Study/Tudor Gardens | Open Energy Information  

Open Energy Info (EERE)

Tudor Gardens Tudor Gardens < Distributed Generation Study Jump to: navigation, search Study Location New York, New York Site Description Residential-Multifamily-Single Building Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Tecogen CM-75 Heat Recovery Systems Built-in Fuel Natural Gas System Installer Aegis Energy System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 2 Stand-alone Capability None Power Rating 150 kW0.15 MW 150,000 W 150,000,000 mW 1.5e-4 GW 1.5e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 980000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2005/07/01 Monitoring Termination Date 1969/12/31

68

Distributed Generation Study/Patterson Farms | Open Energy Information  

Open Energy Info (EERE)

Farms Farms < Distributed Generation Study Jump to: navigation, search Study Location Auburn, New York Site Description Agricultural Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Caterpillar G3508 Heat Recovery Systems Built-in Fuel Biogas System Installer RCM Digesters System Enclosure Outdoor System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability Seamless Power Rating 180 kW0.18 MW 180,000 W 180,000,000 mW 1.8e-4 GW 1.8e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 2000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2006/03/10 Monitoring Termination Date 1969/12/31 Primary Power Application Based Load

69

Distributed Generation Study/Oakwood Health Care Center | Open Energy  

Open Energy Info (EERE)

Oakwood Health Care Center Oakwood Health Care Center < Distributed Generation Study Jump to: navigation, search Study Location Williamsville, New York Site Description Institutional-Hospital/Health Care Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Waukesha VGF 18GLD Heat Recovery Systems Built-in Fuel Natural Gas System Installer Gerster Trane System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 2 Stand-alone Capability Seamless Power Rating 600 kW0.6 MW 600,000 W 600,000,000 mW 6.0e-4 GW 6.0e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 2800000 Cooling Capacity (Refrig/Tons) Origin of Controller 3rd Party Off-the-Shelf Component Integration Customer Assembled Start Date 2001/12/20 Monitoring Termination Date 2003/01/03

70

Distributed Generation Study/Matlink Farm | Open Energy Information  

Open Energy Info (EERE)

Matlink Farm Matlink Farm < Distributed Generation Study Jump to: navigation, search Study Location Clymers, New York Site Description Agricultural Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Waukesha 145 Heat Recovery Systems Built-in Fuel Biogas System Installer Martin Machine System Enclosure Outdoor System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability None Power Rating 145 kW0.145 MW 145,000 W 145,000,000 mW 1.45e-4 GW 1.45e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 1500000 Cooling Capacity (Refrig/Tons) Origin of Controller 3rd Party Off-the-Shelf Component Integration Customer Assembled Start Date 2004/10/28 Monitoring Termination Date 2005/07/16 Primary Power Application Based Load

71

Distributed Generation Study/Modern Landfill | Open Energy Information  

Open Energy Info (EERE)

Landfill Landfill < Distributed Generation Study Jump to: navigation, search Study Location Model City, New York Site Description Other Utility Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Caterpillar G3516 Heat Recovery Systems Built-in Fuel Biogas System Installer Innovative Energy Systems System Enclosure Dedicated Shelter System Application Combined Heat and Power Number of Prime Movers 7 Stand-alone Capability Seamless Power Rating 5600 kW5.6 MW 5,600,000 W 5,600,000,000 mW 0.0056 GW 5.6e-6 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 28000000 Cooling Capacity (Refrig/Tons) Origin of Controller 3rd Party Off-the-Shelf Component Integration Customer Assembled Start Date 2004/12/31 Monitoring Termination Date 1969/12/31

72

Distributed Generation Study/VIP Country Club | Open Energy Information  

Open Energy Info (EERE)

VIP Country Club VIP Country Club < Distributed Generation Study Jump to: navigation, search Study Location New Rochelle, New York Site Description Commercial-Other Study Type Long-term Monitoring Technology Microturbine Prime Mover Capstone C60 Heat Recovery Systems Built-in Fuel Natural Gas System Installer Advanced Power Systems System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 3 Stand-alone Capability Seamless Power Rating 180 kW0.18 MW 180,000 W 180,000,000 mW 1.8e-4 GW 1.8e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 750000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2006/01/24 Monitoring Termination Date 1969/12/31 Primary Power Application Based Load

73

Distributed Generation Study/Waldbaums Supermarket | Open Energy  

Open Energy Info (EERE)

Waldbaums Supermarket Waldbaums Supermarket < Distributed Generation Study Jump to: navigation, search Study Location Hauppauge, New York Site Description Commercial-Supermarket Study Type Long-term Monitoring Technology Microturbine Prime Mover Capstone C60 Heat Recovery Systems Unifin HX Fuel Natural Gas System Installer CDH Energy Corp. System Enclosure Outdoor System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability None Power Rating 60 kW0.06 MW 60,000 W 60,000,000 mW 6.0e-5 GW 6.0e-8 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 500000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2002/08/02 Monitoring Termination Date 2006/07/21 Primary Power Application Based Load

74

Distributed Generation Study/Emerling Farm | Open Energy Information  

Open Energy Info (EERE)

Emerling Farm Emerling Farm < Distributed Generation Study Jump to: navigation, search Study Location Perry, New York Site Description Agricultural Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Caterpillar G379 Heat Recovery Systems Built-in Fuel Biogas System Installer RCM Digesters System Enclosure Dedicated Shelter System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability Seamless Power Rating 200 kW0.2 MW 200,000 W 200,000,000 mW 2.0e-4 GW 2.0e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 2000000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2006/06/07 Monitoring Termination Date 1969/12/31 Primary Power Application Based Load

75

Distributed Generation Study/Hudson Valley Community College | Open Energy  

Open Energy Info (EERE)

Valley Community College Valley Community College < Distributed Generation Study Jump to: navigation, search Study Location Troy, New York Site Description Institutional-School/University Study Type Long-term Monitoring Technology Internal Combustion Engine Prime Mover Caterpillar G3516, Caterpillar DM5498, Caterpillar DM7915 Heat Recovery Systems Built-in Fuel Natural Gas System Installer Siemens Building Technologies System Enclosure Dedicated Shelter System Application Combined Heat and Power Number of Prime Movers 6 Stand-alone Capability Seamless Power Rating 7845 kW7.845 MW 7,845,000 W 7,845,000,000 mW 0.00785 GW 7.845e-6 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 32500000 Cooling Capacity (Refrig/Tons) Origin of Controller 3rd Party Custom Made Component Integration Factory Integrated

76

Distributed Generation Study/Floyd Bennett | Open Energy Information  

Open Energy Info (EERE)

Bennett Bennett < Distributed Generation Study Jump to: navigation, search Study Location Brooklyn, New York Site Description Other Study Type Long-term Monitoring Technology Microturbine Prime Mover Capstone C60 Heat Recovery Systems Built-in Fuel Natural Gas System Installer Montreal Construction System Enclosure Outdoor System Application Combined Heat and Power Number of Prime Movers 2 Stand-alone Capability Seamless Power Rating 120 kW0.12 MW 120,000 W 120,000,000 mW 1.2e-4 GW 1.2e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 230000 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Factory Integrated Start Date 2005/07/21 Monitoring Termination Date 1969/12/31 Primary Power Application Based Load

77

Market survey on products from the Tema Oil Refinery carried out as part of the feasibility study on the Tema Oil Refinery expansion project. Export trade information  

SciTech Connect

The Tema Oil Refinery (TOR), which was commissioned in 1963, is a simple hydroskimming plant which processes crude oil into LPG, gasoline, kerosene, gasoil, and fuel oil. It is the only petroleum refinery in Ghana. Over the years some of the equipment in the refinery has deteriorated or become obsolete necessitating major rehabilitation. A feasibility study is investigating the modernization and expansion of the refinery to meet projected market demands until the year 2005. The report presents the results of a market survey done on products from TOR.

Not Available

1991-10-01T23:59:59.000Z

78

NETL: News Release - Studies Begin on Next Generation of Mid...  

NLE Websites -- All DOE Office Websites (Extended Search)

of the next generation of mid-size electric power generating gas turbines. MORE INFO Gas Turbine R&D Program. The Energy Department has selected: Pratt & Whitney, East...

79

A daily weather generator for use in climate change studies  

Science Conference Proceedings (OSTI)

This paper describes the development of a weather generator for use in climate impact assessments of agricultural and water system management. The generator produces internally consistent series of meteorological variables including: rainfall, temperature, humidity, ... Keywords: Climate change, Climate scenario, Rainfall model, Stochastic, Weather generator

C. G. Kilsby; P. D. Jones; A. Burton; A. C. Ford; H. J. Fowler; C. Harpham; P. James; A. Smith; R. L. Wilby

2007-12-01T23:59:59.000Z

80

Economic Study of Geothermal Steam Production and Power Generation  

SciTech Connect

This report presents the results of the study to determine the required selling price of geothermal flash steam in order for Phillips Petroleum Company to obtain a rate of return on investment of 10, 15 or 20% on its discovery in Nevada. The economic evaluations are based on an order-of-magnitude type of estimate of capital costs for the flash steam production, steam gathering and brine reinjection system to supply steam to a 55 MW (Gross) geothermal power generating plant, using mixed pressure (double flash steam) and turbine design. Geothermal well costs, brine quality and well productivity data were provided by Phillips Petroleum Company and are based on the discovery wells in Nevada. Power plant costs are based on current technology and available hardware, under construction at the present time. Costs have been escalated to 1977.

1977-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


81

Electricity generation and environmental externalities: Case studies, September 1995  

SciTech Connect

Electricity constitutes a critical input in sustaining the Nation`s economic growth and development and the well-being of its inhabitants. However, there are byproducts of electricity production that have an undesirable effect on the environment. Most of these are emissions introduced by the combustion of fossil fuels, which accounts for nearly 70 percent of the total electricity generated in the United States. The environmental impacts (or damages) caused by these emissions are labeled environmental ``externalities.`` Included in the generic term ``externality`` are benefits or costs resulting as an unintended byproduct of an economic activity that accrue to someone other than the parties involved in the activity. This report provides an overview of the economic foundation of externalities, the Federal and State regulatory approaches, and case studies of the impacts of the externality policies adopted by three States.

1995-09-28T23:59:59.000Z

82

The Potential Benefits of Distributed Generation and the Rate-Related  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

The Potential Benefits of Distributed Generation and the The Potential Benefits of Distributed Generation and the Rate-Related Issues That May Impede Its Expansion The Potential Benefits of Distributed Generation and the Rate-Related Issues That May Impede Its Expansion The Potential Benefits of Distributed Generation and the Rate-Related Issues That May Impede Its Expansion. Report Pursuant to Section 1817 of the Energy Policy Act of 2005. The Potential Benefits of Distributed Generation and the Rate-Related Issues That May Impede Its Expansion More Documents & Publications The potential benefits of distributed deneration and rate-related issues that may impede issues its expansion. June 2007 Notice of inquiry and request for Information - Study of the potential benefits of distributed generation: Federal Register Notice Volume 71, No.

83

Stochastic Equilibrium Models for Generation Capacity Expansion  

E-Print Network (OSTI)

in household and tertiary and hence reduction of demand. The second reason is that the increasing interest for de- mand side management and the development of new technologies of the smart grid type will progressively introduce a true price response... , for the integrability property). This variant of the equilibrium model can be stated as follows. Let D(?) = (d(`, ?), ` ? L) and P (?) = (p(`, ?), ` ? L) denote the vectors of demand and price in the different time segments. Smart grid technologies aim, among other...

Ehrenmann, Andreas; Smeers, Yves

84

Study on Simulation of Distribution Generation on PSCAD/EMTDC  

Science Conference Proceedings (OSTI)

With the application of renewable energy, Distribution Generation (DG) will play a more important role in power systems in the near future. This paper describes the methods of modeling and simulation about photovoltaic cell, fuel cell and small aero ... Keywords: DG, photovoltaic cell, fuel cell, small aero generator, PSCAD/EMTDC

Ke-Ping Zhu; Dao-Zhuo Jiang; Yang Zhou

2012-07-01T23:59:59.000Z

85

Second-generation-heliostat optimization studies. Final report  

DOE Green Energy (OSTI)

The objective of this study was to define and quantify cost reductions in the Martin Marietta Denver Aerospace Second Generation Heliostat resulting from design and cost optimization. These cost reductions were based on optimizing the heliostat performance vs. cost and engineering design, and reviewing the design specification in selected technological areas with a goal of removing nonrealistic requirements and eliminating or minimizing overdesign. Specific technological areas investigated were: (1) designing the heliostat for survival strength rather than stiffness and reducing the operational wind requirements as dictated by this design approach; (2) reducing the pointing accuracy and/or beam quality required for some fraction or all of the heliostat field; (3) modifying the operational temperature range; (4) relaxing the rate at which the heliostat must move in the slew mode; (5) using alternate beam safety strategies; (6) analyzing actual wind data for selected sites in the southwest United States vs. the heliostat design specification survival wind requirements; (7) estimating heliostat damage for winds in excess of the design specification over a 30 year period; (8) evaluating the impact of designing the heliostat for higher wind loads; and (9) investigating the applicability to heliostat design of the standard engineering practices for designing buildings.

Not Available

1982-05-01T23:59:59.000Z

86

Notice of Study Availability - Potential Benefits of Distributed...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Study Availability - Potential Benefits of Distributed Generation and Rate-Related Issues That May Impede Their Expansion: Federal Register Notice Volume 72, No. 40 - Mar. 1, 2007...

87

Photovoltaic generator modeling for large scale distribution system studies.  

E-Print Network (OSTI)

??Geographic regions with favorable conditions for photovoltaic (PHV) power generation are seeing increasing numbers of three-phase commercial installations and single-phase residential sized installations. PHV sources… (more)

Golder, Andrew S.

2007-01-01T23:59:59.000Z

88

Distributed Generation Case Study: Industrial Process Heating (Cogeneration)  

Science Conference Proceedings (OSTI)

This report details candidate distributed generation (DIS-GEN) options and the process used to select a cogeneration system for potential development at an industrial site. The local utility commissioned this evaluation to explore energy partnership opportunities with its customer.

1997-12-31T23:59:59.000Z

89

MINET validation study using steam generator test data  

SciTech Connect

Three steam generator transient test cases that were simulated using the MINET computer code are described, with computed results compared against experimental data. The MINET calculations closely agreed with the experiment for both the once-through and the U-tube steam generator test cases. The effort is part of an ongoing effort to validate the MINET computer code for thermal-hydraulic plant systems transient analysis, and strongly supports the validity of the MINET models.

Van Tuyle, G.J.; Guppy, J.G.

1984-01-01T23:59:59.000Z

90

Heat Recovery Steam Generator (HRSG) Chemical Cleaning Guidelines Case Studies  

Science Conference Proceedings (OSTI)

A considerable number of combined cycle units with heat recovery steam generators (HRSGs) were installed over the past two decades worldwide, and the design complexity and operating pressures of these units increased significantly during this period. One of the goals of EPRI's Heat Recovery Steam Generator (HRSG) Dependability Program 88 is to minimize availability losses associated with HRSG tube failures. To support its members operating combined cycle units, EPRI published Heat Recovery Steam Generato...

2006-11-13T23:59:59.000Z

91

Gas generation results and venting study for transuranic waste drums  

DOE Green Energy (OSTI)

Sixteen waste drums, containing six categories of plutonium-contaminated waste, were monitored for venting and gas generation for six months. The venting devices tested appeared adequate to relieve pressure and prevent hydrogen accumulation. Most of the gas generation, primarily H2 and CO2, was due to radiolytic decomposition of the hydrogenous wastes. Comparison of the gas yields with those obtained previously in laboratory tests showed very reasonable agreement with few exceptions.

Kazanjian, A.R.; Arnold, P.M.; Simmons, W.C.; D'Amico, E.L.

1985-09-23T23:59:59.000Z

92

Hydrogen Generation Rate Scoping Study of DOW Corning Antifoam Agent  

DOE Green Energy (OSTI)

The antifoam agent DOW Corning Q2-3183A will be added to waste streams in the Hanford River Protection Program-Waste Treatment and Immobilization Plant (RPP-WTP) to prevent foaming. It consists mostly of polydimethylsiloxane (PDMS) and polypropylene glycol (PPG). These and other minor constituents of the antifoam have organic constituents that may participate in radiolytic and chemical reactions that produce hydrogen in Hanford waste. It has been recommended by The WTP R&T Department recommended personnel to treat the organic compounds of the antifoam like the in a similar manner as other organic compounds that are native to the Hanford waste with respect to hydrogen production. This testing has investigated the radiolytic and thermal production of hydrogen from antifoam added to simulant waste solutions to determine if the organic components of the antifoam produce hydrogen in the same manner as the native organic species in Hanford waste. Antifoam additions for this testing were in the range of 4 to 10 wt% to ensure adequate hydrogen detection. Test conditions were selected to bound exposures to the antifoam agent in the WTP. These levels are higher than previously recommended values of 350 mg/L for actual applications in WTP tanks containing air spargers and pulse jet mixers. Limited degradation analyses for the organic components of the antifoam were investigated in this study. A more detailed study involving analyses of antifoam degradation and product formation is in progress at SRNL and results from that study will be reported at a later time. The total organic carbon (TOC) content of the Q2-3183A antifoam was measured to be 39.7 {+-} 4.9 wt% TOC. This measurement was performed in triplicate with on three different dilutions of the pure antifoam liquid using a TOC combustion analyzer instrument with catalytic oxidation, followed by CO{sub 2} quantification using an infrared detector. Test results from this study indicate that the WTP HGR correlation conservatively bounds hydrogen generation rates (HGRs) from antifoam-containing simulants if the antifoam organic components are treated the same as other native organics. Tests that used the combination of radiolysis and thermolysis conducted on simulants containing antifoam produced measured hydrogen that was bounded by the WTP correlation. These tests used the bounding WTP temperature of 90 C and a dose rate of 1.8 x 10{sup 5} rad/hr. This dose rate is about ten times higher than the dose rate equivalent calculated for a bounding Hanford sludge slurry composition of 10 Ci/L, or 2 x 10{sup 4} rad/hr. Hydrogen was measured using a quadrupole mass spectroscopy instrument. Based on the analyses from the 4wt% and 10wt% antifoam samples, it is expected that the HGR results are directly proportional to the antifoam concentration added. A native organic-containing simulant that did not contain any added antifoam also produced a measurable radiolytic/thermal hydrogen rates that was in bounded by the WTP correlation. A base simulant with no added organic produced a measurable radiolytic/thermal HGR that was {approx}2X higher than the predicted HGR. Analysis of antifoam-containing simulants after prolonged irradiation of 52 Mrad and heating (23 days at 90 C) indicates that essentially all of the PDMS and greater than 60% of the PPG components are degraded, likely to lower molecular weight species. The antifoam components were analyzed by extraction from the salt simulants, followed by gel permeation chromatography (GPC) by personnel at Dow Corning. A more detailed study of the antifoam degradation and product formation from radiolysis and thermolysis is currently in progress at SRNL. That study uses a dose rate of about 2 x 10{sup 4} rad/hr and bounding temperatures of 90 C. Results from that study will be reported in a future report.

Crawford, Charles

2005-09-27T23:59:59.000Z

93

PQ Case Study Library: Next Generation Online PQ Case Study Library  

Science Conference Proceedings (OSTI)

The "Next Generation Online PQ Case Study Library" contains case studies focusing on power quality solutions for utility customers in commercial and industrial sectors and is compatible with EPRI's PQ database computer program (AP-114120-CD). This database contains 100 case studies that focus on power quality solutions for utility customers across 20 commercial and industrial sectors and is compatible with EPRI's PQ database computer program (AP-114120-CD). In 1999, EPRI released version 2.0 of the PQ Da...

2003-11-26T23:59:59.000Z

94

Study on the operation of a low-voltage AC microgrid with multiple distributed generations  

Science Conference Proceedings (OSTI)

This paper aims to study the operation of a grid-connected low-voltage AC microgrid with multiple distributed generations (DGs). First of all, a 400 V low-voltage AC microgrid integrated with a 30 kW microturbine generator, a 13 kW photovoltaic generation ... Keywords: distributed generators, distribution systems, microgrids, steady-state analysis, three-phase power flow

Wei-Tzer Huang

2010-12-01T23:59:59.000Z

95

Reissner-Nordstrom Expansion  

E-Print Network (OSTI)

We propose a classical mechanism for the cosmic expansion during the radiation-dominated era. This mechanism assumes that the Universe is a two-component gas. The first component is a gas of ultra-relativistic "normal" particles described by an equation of state of an ideal quantum gas of massless particles. The second component consist of "unusual" charged particles (namely, either with ultra-high charge or with ultra-high mass) that provide the important mechanism of expansion due to their interaction with the "normal" component of the gas. This interaction is described by the Reissner--Nordstr\\"om metric purely geometrically -- the ``unusual'' particles are modeled as zero-dimensional naked singularities inside spheres of gravitational repulsion. The radius of a repulsive sphere is inversely proportional to the energy of an incoming particle or the temperature. The expansion mechanism is based on the inflating of the "unusual" particles (of charge $Q$) with the drop of the temperature -- this drives apart all neutral particles and particles of specific charge $q/m$ such that ${sign}(Q) q/m \\ge - 1$. The Reissner--Nordstr\\"om expansion naturally ends at recombination. We discuss the range of model parameters within which the proposed expansion mechanism is consistent with the restrictions regarding quantum effects.

Emil M. Prodanov; Rossen I. Ivanov; V. G. Gueorguiev

2007-03-01T23:59:59.000Z

96

Sustaining knowledge in the neutron generator community and benchmarking study.  

SciTech Connect

In 2004, the Responsive Neutron Generator Product Deployment department embarked upon a partnership with the Systems Engineering and Analysis knowledge management (KM) team to develop knowledge management systems for the neutron generator (NG) community. This partnership continues today. The most recent challenge was to improve the current KM system (KMS) development approach by identifying a process that will allow staff members to capture knowledge as they learn it. This 'as-you-go' approach will lead to a sustainable KM process for the NG community. This paper presents a historical overview of NG KMSs, as well as research conducted to move toward sustainable KM.

Barrentine, Tameka C.; Kennedy, Bryan C.; Saba, Anthony W.; Turgeon, Jennifer L.; Schneider, Julia Teresa; Stubblefield, William Anthony; Baldonado, Esther

2008-03-01T23:59:59.000Z

97

Biogas-Fueled Distributed Generation: Three Manure Digester Case Studies  

Science Conference Proceedings (OSTI)

Biogas produced from the anaerobic digestion of livestock waste can provide electrical and thermal energy while solving environmental challenges, including waste management and greenhouse gas reduction. The three manure digester gas projects described in this report demonstrate the potential of such systems to provide co-generated power and heat.

2004-12-27T23:59:59.000Z

98

The Universe Adventure - Expansion  

NLE Websites -- All DOE Office Websites (Extended Search)

Expansion: Chunk-by-Chunk Expansion: Chunk-by-Chunk A sample of the Universe. A very small portion of the Universe. In order to better understand the significance of expansion, let's look at a cubic sample of space. By considering a finite volume we can follow changes in the size of the Universe as we move forwards and backwards in time. Remember, only the size of the cube will change. The galaxies inside the cube stay the same size. This animation illustrates how our cubic piece of the Universe changes with time. If the Universe followed the simplest expansionary models, its size would increase linearly with time. The Universe would continue to expand at a constant rate forever. If you look at only a narrow time-slice of the Universe's history, it does, in fact, appear that this is how the Universe

99

Heat kernel expansion: user's manual  

E-Print Network (OSTI)

The heat kernel expansion is a very convenient tool for studying one-loop divergences, anomalies and various asymptotics of the effective action. The aim of this report is to collect useful information on the heat kernel coefficients scattered in mathematical and physical literature. We present explicit expressions for these coefficients on manifolds with and without boundaries, subject to local and non-local boundary conditions, in the presence of various types of singularities (e.g., domain walls). In each case the heat kernel coefficients are given in terms of several geometric invariants. These invariants are derived for scalar and spinor theories with various interactions, Yang-Mills fields, gravity, and open bosonic strings. We discuss the relations between the heat kernel coefficients and quantum anomalies, corresponding anomalous actions, and covariant perturbation expansions of the effective action (both "low-" and "high-energy" ones).

D. V. Vassilevich

2003-06-15T23:59:59.000Z

100

ESS 2012 Peer Review - Second Generation Emissions Study - Rick...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

KEMA Study on Emission Benefits Study was conducted in 2007 and compared a flywheel to traditional technologies - Study highlights - Showed emission savings from...

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


101

Sensitivity Studies for Third-Generation Gravitational Wave Observatories  

E-Print Network (OSTI)

Advanced gravitational wave detectors, currently under construction, are expected to directly observe gravitational wave signals of astrophysical origin. The Einstein Telescope, a third-generation gravitational wave detector, has been proposed in order to fully open up the emerging field of gravitational wave astronomy. In this article we describe sensitivity models for the Einstein Telescope and investigate potential limits imposed by fundamental noise sources. A special focus is set on evaluating the frequency band below 10Hz where a complex mixture of seismic, gravity gradient, suspension thermal and radiation pressure noise dominates. We develop the most accurate sensitivity model, referred to as ET-D, for a third-generation detector so far, including the most relevant fundamental noise contributions.

S. Hild; M. Abernathy; F. Acernese; P. Amaro-Seoane; N. Andersson; K. Arun; F. Barone; B. Barr; M. Barsuglia; M. Beker; N. Beveridge; S. Birindelli; S. Bose; L. Bosi; S. Braccini; C. Bradaschia; T. Bulik; E. Calloni; G. Cella; E. Chassande Mottin; S. Chelkowski; A. Chincarini; J. Clark; E. Coccia; C. Colacino; J. Colas; A. Cumming; L. Cunningham; E. Cuoco; S. Danilishin; K. Danzmann; R. De Salvo; T. Dent; R. De Rosa; L. Di Fiore; A. Di Virgilio; M. Doets; V. Fafone; P. Falferi; R. Flaminio; J. Franc; F. Frasconi; A. Freise; D. Friedrich; P. Fulda; J. Gair; G. Gemme; E. Genin; A. Gennai; A. Giazotto; K. Glampedakis; C. Gräf; M. Granata; H. Grote; G. Guidi; A. Gurkovsky; G. Hammond; M. Hannam; J. Harms; D. Heinert; M. Hendry; I. Heng; E. Hennes; J. Hough; S. Husa; S. Huttner; G. Jones; F. Khalili; K. Kokeyama; K. Kokkotas; B. Krishnan; T. G. F. Li; M. Lorenzini; H. Lück; E. Majorana; I. Mandel; V. Mandic; M. Mantovani; I. Martin; C. Michel; Y. Minenkov; N. Morgado; S. Mosca; B Mours; H. Müller-Ebhardt; P. Murray; R. Nawrodt; J. Nelson; R. Oshaughnessy; C. D. Ott; C. Palomba; A. Paoli; G. Parguez; A. Pasqualetti; R. Passaquieti; D. Passuello; L. Pinard; W. Plastino; R. Poggiani1; P. Popolizio; M. Prato; M. Punturo; P. Puppo; D. Rabeling; P. Rapagnani; J. Read; T. Regimbau; H. Rehbein; S. Reid; F. Ricci; F. Richard; A. Rocchi; S. Rowan; A. Rüdiger; L. Santamaría; B. Sassolas; B. Sathyaprakash; R. Schnabel; C. Schwarz; P. Seidel; A. Sintes; K. Somiya; F. Speirits; K. Strain; S Strigin; P. Sutton; S. Tarabrin; A. Thüring; J. van den Brand; M. van Veggel; C. van den Broeck; A. Vecchio; J. Veitch; F. Vetrano; A. Vicere; S. Vyatchanin; B. Willke; G. Woan; K. Yamamoto

2010-12-04T23:59:59.000Z

102

Generator loss of field study for AEP's Rockport plant  

SciTech Connect

Generator loss of field (LOF) conditions occur rarely. However, when LOF and consequent out-of-step conditions occur, the resultant high currents and pulsating torques can damage the turbine-generator under some conditions. Also the electrical system near the disturbance can be impacted by abnormal levels and cyclic swings of power, VArs, and voltages. This article describes the computed performance of AEP's remotely-located 2600 MW Rockport plant after simulated LOF disturbances to one of its 1300 MW cross-compound units. It shows the transmission facilities near Rockport, as well as nearby plants. Because of this topology, LOF on one unit can significantly impact the adjacent Rockport unit, and the reactive power drain could impose a heavy burden on transmission, impacting local voltages.

Rana, R.D.; Schulz, R.P.; Heyeck, M.; Boyer, T.R. Jr. (American Electric Power, Inc., Canton, OH (USA))

1990-04-01T23:59:59.000Z

103

Bed expansion crucible tests  

SciTech Connect

The Am/Cm program will vitrify the americium and curium currently stored in F-canyon. A batch flowsheet has been developed (with non-radioactive surrogate feed in place of the F-canyon solution) and tested full-scale in the 5-inch Cylindrical Induction Melter (CIM) facility at TNX. During a normal process run, a small bed expansion occurs when oxygen released from reduction of cerium (IV) oxide to cerium (III) oxide is trapped in highly viscous glass. The bed expansion is characterized by a foamy layer of glass that slowly expands as the oxygen is trapped and then dissipates when the viscosity of the foam becomes low enough to allow the oxygen to escape. Severe bed expansions were noted in the 5-inch CIM when re-heating after an interlock during the calcination phase of the heat cycle, escaping the confines of the melter vessel. In order to better understand the cause of the larger than normal bed expansion and to develop mitigating techniques, a series of three crucible tests were conducted.

Stone, M.E.

2000-04-04T23:59:59.000Z

104

Demand Response and Variable Generation Integration Scoping Study  

NLE Websites -- All DOE Office Websites (Extended Search)

Market and Policy Barriers for Demand Market and Policy Barriers for Demand Response Providing Ancillary Services in U.S. Electricity Markets Peter Cappers, Jason MacDonald, Charles Goldman April 2013 Report Summary 1 Energy Analysis Department  Electricity Markets and Policy Group Presentation Overview  Objectives and Approach  Wholesale and Retail Market Environments  Market and Policy Barrier Typology  Prototypical Regional Barrier Assessment 2 Energy Analysis Department  Electricity Markets and Policy Group A Role for Demand Response to Provide Ancillary Services  Increasing penetration of renewable energy generation in U.S. electricity markets means that bulk power system operators will need to manage the variable and uncertain nature of many renewable resources

105

Study of the unusual failure of milliwatt generator strength members  

DOE Green Energy (OSTI)

In order to qualify Milliwatt Generator heat sources for an extended design life, multi-axial mechanical tests were performed on the strength member components. The results of these tests indicated that failure occurred predominantly in the middle of the weld ramp-down (down-slope) zone. Examination of the failure zone by standard metallographic techniques failed to indicate the cause of failure. A modified technique utilizing chemical etching, scanning electron microscopy, and energy dispersive x-ray analysis was employed and dramatically indicated the true cause of failure, viz., inclusions in the parent material which were precipitated along the welds. As a result of the initial investigation, weld parameters for the heat sources were altered and preliminary tests on sample welds suggested that pulse-arc welding eliminate this type of failure.

Zielinski, R.E.; Stacy, E.; Burgan, C.E.

1977-05-16T23:59:59.000Z

106

Demand Response and Variable Generation Integration Scoping Study  

NLE Websites -- All DOE Office Websites (Extended Search)

Utility Studies Utility Studies LBNL-6248E Peter Cappers, Annika Todd, Charles Goldman June 2013 1 Presentation Overview * Objectives and Approach * Details of CBS Projects * Summary and Conclusions 2 LBNL - Smart Grid Investment Grant Consumer Behavior Study Analysis Background on Smart Grid Investment Grant's Consumer Behavior Studies * The U.S. DOE's Smart Grid Investment Grant (SGIG) program includes projects studying the response of mass market consumers (i.e., residential and small commercial customers) to time-based rate programs * DOE is seeking to apply a consistent study design and analysis framework for these Consumer Behavior Studies (CBS) * The goal is to conduct comparative analysis of the impacts of AMI, time-based rate programs and enabling technologies that

107

Gas generation and migration studies involving recently generated /sup 238/Pu-contaminated waste for the TRU Waste Sampling Program  

DOE Green Energy (OSTI)

This study is part of the multicontractor TRU Waste Sampling Program. Radiolytically generated gases were vented through a filtering device to determine its effectiveness in maintaining hydrogen concentrations within acceptably safe levels. In the second part of the study measurements were made to determine the ability of these gases, particularly hydrogen, to migrate through a sealed rigid polyethylene drum liner. Void volumes in these drums were found to be generally in excess of 90%. The carbon composite filter was found to satisfactorily vent hydrogen up to moderately high levels of alpha activity in the waste substrate. The sealed 90-mil liner was found to inhibit, but not prevent, the migration of hydrogen and other radiolytically generated gases.

Zerwekh, A.; Warren, J.L.

1986-07-01T23:59:59.000Z

108

The Study of Heat and Mass Transfer In The Generator For an Absorption Air Conditioning System.  

E-Print Network (OSTI)

??This thesis is aimed to study the heat and mass transfer performance of a generator for the absorption cooling system. Both aqueous lithium bromide (LiBr)… (more)

Hsu, Yu-lien

2012-01-01T23:59:59.000Z

109

[Feedback control mechanisms of plant cell expansion  

DOE Green Energy (OSTI)

We have generated considerable evidence for the significance of wall stress relaxation in the control of plant growth and found that several agents (gibberellin, light, genetic loci for dwarf stature) influence growth rate via alteration of wall relaxation. We have refined our methods for measuring wall relaxation and, moreover, have found that wall relaxation properties bear only a distance relationship to wall mechanical properties. We have garnered novel insights into the nature of cell expansion mechanisms by analyzing spontaneous fluctuations of plant growth rate in seedlings. These experiments involved the application of mathematical techniques for analyzing growth rate fluctuations and the development of new instrumentation for measuring and forcing plant growth in a controlled fashion. These studies conclude that growth rate fluctuations generated by the plant as consequence of a feedback control system. This conclusion has important implications for the nature of wall loosening processes and demands a different framework for thinking about growth control. It also implies the existence of a growth rate sensor.

Cosgrove, D.J.

1992-01-01T23:59:59.000Z

110

Updated Volumetric Expansion Factors for K Basin Sludge During Storage  

SciTech Connect

Sludge has accumulated in the K East (KE) and K West (KW) Basins at the Hanford Site. This sludge contains metallic uranium and uranium oxides that will corrode, hydrate, and generate and consume gases during containerized storage. From these corrosion reactions, two sludge expansion mechanisms can be expected: 1) expansion of the volume of the sludge solids from the generation of corrosion oxidation products that occupy more space than the starting-state sludge; and 2) expansion of the bulk sludge volume from the retention of hydrogen gas bubbles. This report provides a review and updated projections of the volumetric expansion occurring due to corrosion and gas retention during the containerized storage of K Basin sludge. New design and safety basis volume expansion values are provided for the following sludge streams: KW Floor, KW North Loadout Pit, KW canister, and fuel piece sludge.

Schmidt, Andrew J. (BATTELLE (PACIFIC NW LAB)); Delegard, Calvin H. (BATTELLE (PACIFIC NW LAB))

2003-03-14T23:59:59.000Z

111

Mass Market Demand Response and Variable Generation Integration Issues: A Scoping Study  

NLE Websites -- All DOE Office Websites (Extended Search)

Mass Market Demand Response and Mass Market Demand Response and Mass Market Demand Response and Mass Market Demand Response and Variable Generation Integration Issues: Variable Generation Integration Issues: Variable Generation Integration Issues: Variable Generation Integration Issues: A Scoping Study A Scoping Study Peter Cappers, Andrew Mills, Charles Goldman, Ryan Wiser, Joseph H. Eto Report Summary October 2011 Energy Analysis Department  Electricity Markets and Policy Group 1 1 Presentation Overview Presentation Overview  Objectives and Approach  Variable Generation Resources and the Bulk Power System  Demand Response Opportunities  Demand Response as a Strategy to Integrate p gy g Variable Generation Resources  Comparison of Various Strategies to Integrate Variable Generation  Conclusions Energy Analysis Department  Electricity Markets and Policy Group

112

A market and engineering study of a 3-kilowatt class gas turbine generator  

E-Print Network (OSTI)

Market and engineering studies were performed for the world's only commercially available 3 kW class gas turbine generator, the IHI Aerospace Dynajet. The objectives of the market study were to determine the competitive ...

Monroe, Mark A. (Mark Alan)

2003-01-01T23:59:59.000Z

113

Study and Development of Anti-Islanding Control for Synchronous Machine-Based Distributed Generators: November 2001--March 2004  

SciTech Connect

This report summarizes the study and development of new active anti-islanding control schemes for synchronous machine-based distributed generators, including engine generators and gas turbines.

Ye, Z.

2006-03-01T23:59:59.000Z

114

A study of a turbine-generator system for low-head hydropower  

Science Conference Proceedings (OSTI)

A method is outlined for determining the optimum operating conditions of a turbine-generator unit installed across a low-head irrigation structure for electrical power generation. For a given regulator's characteristic, the unit's rated power and design parameters are determined such that its cost-benefit ratio is minimum. The economical feasibility of the microhydro plant is studied by comparing its life-time cost to its lifetime benefit. The benefit is determined by the cost of the corresponding energy generated through a dieseldriven generator set. The microhydro plant was found to be economically feasible over a wide range of inflation and interest rates.

Mankbadi, R.R.; Mikhail, S.

1985-03-01T23:59:59.000Z

115

Hydro Aluminium Sunndal Expansion Project  

Science Conference Proceedings (OSTI)

Apr 1, 2003 ... Hydro Aluminium Sunndal Expansion Project ... very competitive, and it is the prerequisite for the present project, both in terms of cost efficiency ...

116

Thermoelectric generator  

DOE Patents (OSTI)

A thermoelectric generator having a rigid coupling or stack'' between the heat source and the hot strap joining the thermoelements is described. The stack includes a member of an insulating material, such as ceramic, for electrically isolating the thermoelements from the heat source, and a pair of members of a ductile material, such as gold, one each on each side of the insulating member, to absorb thermal differential expansion stresses in the stack. (Official Gazette)

Pryslak, N.E.

1974-02-26T23:59:59.000Z

117

NV Energy Solar Integration Study: Cycling and Movements of Conventional Generators for Balancing Services  

DOE Green Energy (OSTI)

With an increasing penetration level of solar power in the southern Nevada system, the impact of solar on system operations needs to be carefully studied from various perspectives. Qualitatively, it is expected that the balancing requirements to compensate for solar power variability will be larger in magnitude; meanwhile, generators providing load following and regulation services will be moved up or down more frequently. One of the most important tasks is to quantitatively evaluate the cycling and movements of conventional generators with solar power at different penetration levels. This study is focused on developing effective methodologies for this goal and providing a basis for evaluating the wear and tear of the conventional generators

Diao, Ruisheng; Lu, Shuai; Etingov, Pavel V.; Ma, Jian; Makarov, Yuri V.; Guo, Xinxin

2011-07-01T23:59:59.000Z

118

The Magnus expansion and some of its applications  

E-Print Network (OSTI)

Approximate resolution of linear systems of differential equations with varying coefficients is a recurrent problem shared by a number of scientific and engineering areas, ranging from Quantum Mechanics to Control Theory. When formulated in operator or matrix form, the Magnus expansion furnishes an elegant setting to built up approximate exponential representations of the solution of the system. It provides a power series expansion for the corresponding exponent and is sometimes referred to as Time-Dependent Exponential Perturbation Theory. Every Magnus approximant corresponds in Perturbation Theory to a partial re-summation of infinite terms with the important additional property of preserving at any order certain symmetries of the exact solution. The goal of this review is threefold. First, to collect a number of developments scattered through half a century of scientific literature on Magnus expansion. They concern the methods for the generation of terms in the expansion, estimates of the radius of convergence of the series, generalizations and related non-perturbative expansions. Second, to provide a bridge with its implementation as generator of especial purpose numerical integration methods, a field of intense activity during the last decade. Third, to illustrate with examples the kind of results one can expect from Magnus expansion in comparison with those from both perturbative schemes and standard numerical integrators. We buttress this issue with a revision of the wide range of physical applications found by Magnus expansion in the literature.

S. Blanes; F. Casas; J. A. Oteo; J. Ros

2008-10-30T23:59:59.000Z

119

Revisiting the Steam-Boiler Case Study with LUTESS : Modeling for Automatic Test Generation  

E-Print Network (OSTI)

Revisiting the Steam-Boiler Case Study with LUTESS : Modeling for Automatic Test Generation. In this paper, we apply this modeling principle to a well known case study, the steam boiler problem which has model and to assess the difficulty of such a process in a realistic case study. The steam boiler case

Paris-Sud XI, Université de

120

Shearing expansion-free spherical anisotropic fluid evolution  

Science Conference Proceedings (OSTI)

Spherically symmetric expansion-free distributions are systematically studied. The entire set of field equations and junction conditions are presented for a general distribution of dissipative anisotropic fluid (principal stresses unequal), and the expansion-free condition is integrated. In order to understand the physical meaning of expansion-free motion, two different definitions for the radial velocity of a fluid element are discussed. It is shown that the appearance of a cavity is inevitable in the expansion-free evolution. The nondissipative case is considered in detail, and the Skripkin model is recovered.

Herrera, L. [Escuela de Fisica, Facultad de Ciencias, Universidad Central de Venezuela, Caracas (Venezuela, Bolivarian Republic of); Santos, N. O. [School of Mathematical Sciences, Queen Mary, University of London, London E1 4NS (United Kingdom); Laboratorio Nacional de Computacao Cientifica, 25651-070 Petropolis RJ (Brazil); Wang Anzhong [GCAP-CASPER, Department of Physics, Baylor University, Waco, Texas 76798-7316 (United States); Department of Theoretical Physics, State University of Rio de Janeiro, RJ (Brazil)

2008-10-15T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


121

Numerical studies of third-harmonic generation in laser filament in air perturbed by plasma spot  

Science Conference Proceedings (OSTI)

Third-harmonic emission from laser filament intercepted by plasma spot is studied by numerical simulations. Significant enhancement of the third-harmonic generation is obtained due to the disturbance of the additional plasma. The contribution of the pure plasma effect and the possible plasma-enhanced third-order susceptibility on the third-harmonic generation enhancement are compared. It is shown that the plasma induced cancellation of destructive interference [Y. Liu et al., Opt. Commun. 284, 4706 (2011)] of two-colored filament is the dominant mechanism of the enhancement of third-harmonic generation.

Feng Liubin [Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Science, Beijing 100190 (China); Institute of Atomic and Molecular Physics and Department of Physics, Sichuan University, Chengdu 610065 (China); Lu Xin; Liu Xiaolong; Li Yutong; Chen Liming; Ma Jinglong; Dong Quanli; Wang Weimin [Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Science, Beijing 100190 (China); Xi Tingting [College of Physical Sciences, Graduate University of Chinese Academy of Sciences, Beijing 100049 (China); Sheng Zhengming; Zhang Jie [Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Science, Beijing 100190 (China); Key Laboratory for Laser Plasmas of the Ministry of Education of China and Department of Physics, Shanghai Jiao Tong University, Shanghai 200240 (China); He Duanwei [Institute of Atomic and Molecular Physics and Department of Physics, Sichuan University, Chengdu 610065 (China)

2012-07-15T23:59:59.000Z

122

Cardiorenal-endocrine dynamics during and following volume expansion  

SciTech Connect

The relationship between atrial pressure, atrial natriuretic peptide (ANP), the renin-angiotensin-aldosterone system, and renal hemodynamic and excretory function was examined during and following acute 10% body weight saline volume expansion and measurements were made at 3.3, 6.6, and 10% body weight volume expansion in pentobarbital anesthetized dogs. Right atrial pressure (RAP), pulmonary capillary wedge pressure (PCWP), fractional excretion of Na (FE/sub Na/), and ANP all increased in parallel during volume expansion. Plasma renin activity (PRA) and aldosterone decreased in parallel during 10% volume expansion. ANP, PRA and aldosterone were measured by radioimmunoassay. Following 10% volume expansion, saline was infused at the peak urine flow rate to maintain peak volume expansion. Despite continued saline infusion, RAP, PCWP, and ANP decreased in parallel. In contrast, FE/sub Na/ remained increased, and aldosterone and PRA remained depressed. These studies demonstrate that atrial pressures, ANP, and FE/sub Na/ increase in parallel during volume expansion; this suggests a role for ANP in modulating acute atrial volume overload. During stable volume expansion periods, however, despite a decrease in ANP levels, Na excretion remains elevated, suggesting that non-ANP mechanisms may be important in maintaining natriuresis during stable volume expansion.

Zimmerman, R.S.; Edwards, B.S.; Schwab, T.R.; Heublein, D.M.; Burnett, J.C. Jr.

1987-02-01T23:59:59.000Z

123

System dynamics simulation of the expansion of the Panama Canal  

Science Conference Proceedings (OSTI)

The expansion of the Panama Canal could be the largest project attempted by the Republic of Panama in its 100 years of existence. The objective of this simulation study is to use the Canal Expansion project to develop and demonstrate how more precise ...

Humberto R. Alvarez A.; Dario Solis; Arnoldo R. Cano S.; Serge Sala-Diakanda

2006-12-01T23:59:59.000Z

124

Reliabilit PlanningReliability Planning David Duebner, Expansion Planningp g  

E-Print Network (OSTI)

EE552 Reliabilit PlanningReliability Planning David Duebner, Expansion Planningp g September 27, 2010 #12;Reliability Planning OverviewReliability Planning Overview · Midwest ISO Transmission Expansion Plan (MTEP)p ( ) · MTEP Reliability Study Process ­ Planning Criteriag ­ Reliability Analysis

McCalley, James D.

125

An Optimized Autoregressive Forecast Error Generator for Wind and Load Uncertainty Study  

SciTech Connect

This paper presents a first-order autoregressive algorithm to generate real-time (RT), hour-ahead (HA), and day-ahead (DA) wind and load forecast errors. The methodology aims at producing random wind and load forecast time series reflecting the autocorrelation and cross-correlation of historical forecast data sets. Five statistical characteristics are considered: the means, standard deviations, autocorrelations, and cross-correlations. A stochastic optimization routine is developed to minimize the differences between the statistical characteristics of the generated time series and the targeted ones. An optimal set of parameters are obtained and used to produce the RT, HA, and DA forecasts in due order of succession. This method, although implemented as the first-order regressive random forecast error generator, can be extended to higher-order. Results show that the methodology produces random series with desired statistics derived from real data sets provided by the California Independent System Operator (CAISO). The wind and load forecast error generator is currently used in wind integration studies to generate wind and load inputs for stochastic planning processes. Our future studies will focus on reflecting the diurnal and seasonal differences of the wind and load statistics and implementing them in the random forecast generator.

De Mello, Phillip; Lu, Ning; Makarov, Yuri V.

2011-01-17T23:59:59.000Z

126

Aging of nuclear station diesel generators: Evaluation of operating and expert experience: Phase 1, Study  

Science Conference Proceedings (OSTI)

Pacific Northwest Laboratory evaluated operational and expert experience pertaining to the aging degradation of diesel generators in nuclear service. The research, sponsored by the US Nuclear Regulatory Commission (NRC), identified and characterized the contribution of aging to emergency diesel generator failures. This report, Volume I, reviews diesel-generator experience to identify the systems and components most subject to aging degradation and isolates the major causes of failure that may affect future operational readiness. Evaluations show that as plants age, the percent of aging-related failures increases and failure modes change. A compilation is presented of recommended corrective actions for the failures identified. This study also includes a review of current, relevant industry programs, research, and standards. Volume II reports the results of an industry-wide workshop held on May 28 and 29, 1986 to discuss the technical issues associated with aging of nuclear service emergency diesel generators.

Hoopingarner, K.R.; Vause, J.W.; Dingee, D.A.; Nesbitt, J.F.

1987-08-01T23:59:59.000Z

127

Status and integration of the gas generation studies performed for the Hydrogen Safety Program  

DOE Green Energy (OSTI)

Waste in Tank 241-SY-101 on the Hanford Site generates and periodically releases hydrogen, nitrous oxide, and nitrogen gases. Studies have been conducted at several laboratories to determine the chemical mechanisms for the gas generation and release. Results from these studies are presented and integrated in an attempt to describe current understanding of the physical properties of the waste and the mechanisms of gas generation and retention. Existing tank data are consistent with the interpretation that gases are uniformly generated in the tank, released continuously from the convecting layer, and stored in the nonconvecting layer. Tank temperature measurements suggest that the waste consists of gobs'' of material that reach neutral buoyancy at different times. The activation energy of the rate limiting step of the gas generating process was calculated to be about 7 kJ/mol but measured in the laboratory at 80 to 100 kJ/mol. Based on observed temperature changes in the tank the activation energy is probably not higher than about 20 kJ/mol. Several simulated waste compositions have been devised for use in laboratory studies in the place of actual waste from Tank 241-SY-101. Data from these studies can be used to predict how the actual waste might behave when heated or diluted. Density evaluations do not confirm that heating waste at the bottom of the tank would induce circulation within the waste; however, heating may release gas bubbles by dissolving the solids to which the bubbles adhere. Gas generation studies on simulated wastes indicated that nitrous oxide and hydrogen yields are not particularly coupled. Solubility studies of nitrous oxide, the most soluble of the principal gaseous products, indicate it is unlikely that dissolved gases contribute substantially to the quantity of gas released during periodic events.

Pederson, L.R.; Strachan, D.M.

1993-02-01T23:59:59.000Z

128

ESS 2012 Peer Review - Second Generation Emissions Study - Rick Fioravanti, DNV KEMA  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

number 2012 DOE Energy Storage Program Peer Review Second Generation Emissions Study Washington, DC September 26 - 28, 2012 Original KEMA Study on Emission Benefits  Study was conducted in 2007 and compared a flywheel to traditional technologies - Study highlights - Showed emission savings from utilization of storage - Study provided a simple "snapshot" of potential trends - Compared a flywheel to natural gas, coal, and pumped hydro systems - Methodology "vetted" at 2007 EESAT Conference - Next steps called for a "deeper dive into actual performance numbers - Actual simulations of specific ISO  Today, study is still cited as the main "Emission " Study for such applications - Results referenced in many cases as a secondary benefit of storage systems

129

Crossroads Expansion | Open Energy Information  

Open Energy Info (EERE)

Expansion Expansion Jump to: navigation, search Name Crossroads Expansion Facility Crossroads Expansion Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner Oklahoma Gas & Electric Developer RES Americas Energy Purchaser Oklahoma Gas & Electric Coordinates 36.021°, -98.667° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":36.021,"lon":-98.667,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

130

Job Expansion Tax Credit (Connecticut)  

Energy.gov (U.S. Department of Energy (DOE))

The Job Expansion Tax Credit allows eligible businesses to receive tax credits for each new full-time position created. Up to $500 per month per employee is available for up to three years. The...

131

Beyond Adiabatic Elimination: Systematic Expansions  

E-Print Network (OSTI)

We restate the adiabatic elimination approximation as the first term in a singular perturbation expansion. We use the invariant manifold formalism for singular perturbations in dynamical systems to identify systematic improvements on adiabatic elimination, connecting with well established quantum mechanical perturbation methods. We prove convergence of the expansions when energy scales are well separated. We state and solve the problem of hermiticity of improved effective hamiltonians.

I. L. Egusquiza

2013-09-03T23:59:59.000Z

132

Fuel Cell Tri-Generation System Case Study using the H2A Stationary Model  

NLE Websites -- All DOE Office Websites (Extended Search)

Fuel Cell Tri-Generation System Case Fuel Cell Tri-Generation System Case Study using the H2A Stationary Model Darlene Steward/ Mike Penev National Renewable Energy Laboratory Integrated Stationary Power and Transportation Workshop Phoenix, Arizona October 27, 2008 National Renewable Energy Laboratory Innovation for Our Energy Future 2 Introduction Goal: Develop a cost analysis tool that will be flexible and comprehensive enough to realistically analyze a wide variety of potential combined heat and power/hydrogen production scenarios Approach: Rely on the H2A discounted cash flow methodology to develop a new stationary systems model With the help of industry partners, develop and analyze a range of realistic case studies for tri-generation systems. National Renewable Energy Laboratory Innovation for Our Energy Future

133

Cosmic Growth History and Expansion History  

E-Print Network (OSTI)

LBNL- 58260 Cosmic Growth History andExpansion History Eric V. Linder Physics Division, LawrenceCalifornia. Cosmic Growth History and Expansion History Eric

Linder, Eric V.

2009-01-01T23:59:59.000Z

134

Development of Low Thermal Expansion Superalloys  

Science Conference Proceedings (OSTI)

For heat resistant alloys it is useful to decrease the thermal expansion for improved adherance of low thermal expansion ceramic coatings like silicon nitride,.

135

The Potential Benefits of Distributed Generation and the Rate...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

The Potential Benefits of Distributed Generation and the Rate-Related Issues That May Impede Its Expansion The Potential Benefits of Distributed Generation and the Rate-Related...

136

Long Term Power Generation Planning Under Uncertainty.  

E-Print Network (OSTI)

??Generation expansion planning concerns investment and operation decisions for different types of power plants over a multi-decade horizon under various uncertainties. The goal of this… (more)

Jin, Shan

2009-01-01T23:59:59.000Z

137

Assessment study of devices from the generation of electricity from stored hydrogen  

SciTech Connect

A study was performed to evaluate alternative methods for the generation of electricity from stored hydrogen. The generation systems considered were low- temperature and high-temperature fuel cells, gas turbines and steam turbines. These systems were evaluated in terms of present-day technology and future (1995) technology. Of primary interest were the costs and efficiencies of the devices, the versatility of the devices toward various types of gaseous feeds, and the likelihood of commercial development. On the basis of these evaluations, recommendations were made describing the areas of technology which should be developed.

Ackerman, J.P.; Barghusen, J.J.; Link, L.E.

1975-12-01T23:59:59.000Z

138

Sustaining knowledge in the neutron generator community and benchmarking study. Phase II.  

SciTech Connect

This report documents the second phase of work under the Sustainable Knowledge Management (SKM) project for the Neutron Generator organization at Sandia National Laboratories. Previous work under this project is documented in SAND2008-1777, Sustaining Knowledge in the Neutron Generator Community and Benchmarking Study. Knowledge management (KM) systems are necessary to preserve critical knowledge within organizations. A successful KM program should focus on people and the process for sharing, capturing, and applying knowledge. The Neutron Generator organization is developing KM systems to ensure knowledge is not lost. A benchmarking study involving site visits to outside industry plus additional resource research was conducted during this phase of the SKM project. The findings presented in this report are recommendations for making an SKM program successful. The recommendations are activities that promote sharing, capturing, and applying knowledge. The benchmarking effort, including the site visits to Toyota and Halliburton, provided valuable information on how the SEA KM team could incorporate a KM solution for not just the neutron generators (NG) community but the entire laboratory. The laboratory needs a KM program that allows members of the workforce to access, share, analyze, manage, and apply knowledge. KM activities, such as communities of practice (COP) and sharing best practices, provide a solution towards creating an enabling environment for KM. As more and more people leave organizations through retirement and job transfer, the need to preserve knowledge is essential. Creating an environment for the effective use of knowledge is vital to achieving the laboratory's mission.

Huff, Tameka B.; Stubblefield, William Anthony; Cole, Benjamin Holland, II; Baldonado, Esther

2010-08-01T23:59:59.000Z

139

Hanford Waste Vitrification Plant hydrogen generation study: Formation of ammonia from nitrate and nitrate in hydrogen generating systems  

DOE Green Energy (OSTI)

The Hanford Waste Vitrification Plant (HWVP) is being designed for the Departrnent of Energy (DOE) to immobilize pretreated highly radioactive wastes in glass for permanent disposal in the HWVP, formic acid is added to the waste before vitrification to adjust glass redox and melter feed rheology. The operation of the glass melter and durability of the glass are affected by the glass oxidation state. Formation of a conductive metallic sludge in an over-reduced melt can result in a shortened melter lifetime. An over-oxidized melt may lead to foaming and loss of ruthenium as volatile RuO{sub 4}. Historically, foaming in the joule heated ceramic melter has been attributed to gas generation in the melt which is controlled by instruction of a reductant such as formic acid into the melter feed. Formic acid is also found to decrease the melter feed viscosity thereby facilitating pumping. This technical report discusses the noble metal catalyzed formic acid reduction of nitrite and/or nitrate to ammonia, a problem of considerable concern because of the generation of a potential ammonium nitrate explosion hazard in the plant ventilation system.

King, R.B.; Bhattacharyya, N.K.

1996-02-01T23:59:59.000Z

140

Property Damage Risk Assessment Scoping Study: for South Texas Project Electric Generating Station  

Science Conference Proceedings (OSTI)

At the request of the South Texas Project Electric Generating Station (STPEGS), EPRI assessed the financial risks of on-site property damage from component failures and accidents and the effectiveness of available insurance in mitigating such risks. This report quantifies the risks of nuclear and nonnuclear accidents and the resulting property damage incurred. The report is a companion document to EPRI's Nuclear Property Insurance Study (TR-108061), which discusses five options for alternate insurance co...

1997-08-12T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


141

Low Cost High Performance Generator Technology Program. Volume 2. Design study  

DOE Green Energy (OSTI)

The systems studies directed towards up-rating the performance of an RTG using selenide thermoelectrics and a heat source with improved safety are reported. The resulting generator design, designated LCHPG, exhibits conversion efficiency of greater than 10 percent, a specific power of 3 W/lb., and a cost of $6,000/W(e). In the course of system analyses, the significant development activities required to achieve this performance by the 1980 time period are identified.

Not Available

1975-06-01T23:59:59.000Z

142

Theoretical studies of high-order harmonic generation: Effects of symmetry, degeneracy, and orientation  

SciTech Connect

Using a quantum-mechanical three-step model, we present numerical calculations of the high-order harmonic generation from four polyatomic molecules. Ethylene (C{sub 2}H{sub 4}) serves as an example where orbital symmetry directly affects the harmonic yield. We treat the case of methane (CH{sub 4}) to address the high-order harmonic generation resulting from a molecule with degenerate orbitals. To this end we illustrate how the single-orbital contributions show up in the total high-order harmonic signal. This example illustrates the importance of adding coherently the amplitude contributions from the individual degenerate orbitals. Finally, we study the high-order harmonic generation from propane (C{sub 3}H{sub 8}) and butane (C{sub 4}H{sub 10}). These two molecules, being extended and far from spherical in structure, produce harmonics with nontrivial orientational dependencies. In particular, propane can be oriented so that very high-frequency harmonics are favored, and thus the molecule contains prospects for the generation of uv attosecond pulses.

Madsen, C. B.; Madsen, L. B. [Lundbeck Foundation Theoretical Center for Quantum System Research, Department of Physics and Astronomy, University of Aarhus, 8000 Aarhus C (Denmark)

2007-10-15T23:59:59.000Z

143

PURPA Resource Development in the Pacific Northwest : Case Studies of Ten Electricity Generating Powerplants.  

SciTech Connect

The case studies in this document describe the Public Utilities, Regulatory Policies Act (PURPA) development process for a variety of generating technologies. Developer interactions with regulatory agencies and power purchasers are described in some detail. Equipment, installation, and maintenance costs are identified; power marketing considerations are taken into account; and potential environmental impacts, with corresponding mitigation approaches and practices are summarized. The project development case studies were prepared by the energy agencies of the four Northwest states, under contract to the Bonneville Power Administration.

Washington State Energy Office.

1990-07-01T23:59:59.000Z

144

Economic Radioisotope Thermoelectric Generator (RTG) study. Volume I. ERTG design. Final report  

DOE Green Energy (OSTI)

The objectives of this study were: (1) to develop and evaluate an ERTG design for a high power, Curium-244 fueled system based on the tubular thermoelectric module technology; (2) to prepare a program plan for the development of a flight qualified ERTG; and (3) to estimate the costs associated with the production of one, ten and twenty flight qualified ERTG's. This volume presents the Reference Design ERTG approach, the results of the engineering trade studies leading to its selection, and the Second Generation ERTG Design proposed for development. (WHK)

Not Available

1973-12-01T23:59:59.000Z

145

Renewable Electricity Futures Study. Volume 2: Renewable Electricity Generation and Storage Technologies  

NLE Websites -- All DOE Office Websites (Extended Search)

Renewable Electricity Generation Renewable Electricity Generation and Storage Technologies Volume 2 of 4 Volume 2 PDF Volume 3 PDF Volume 1 PDF Volume 4 PDF NREL is a national laboratory of the U.S. Department of Energy, Office of Energy Efficiency and Renewable Energy, operated by the Alliance for Sustainable Energy, LLC. Renewable Electricity Futures Study Edited By Hand, M.M. National Renewable Energy Laboratory Baldwin, S. U.S. Department of Energy DeMeo, E. Renewable Energy Consulting Services, Inc. Reilly, J.M. Massachusetts Institute of Technology Mai, T. National Renewable Energy Laboratory Arent, D. Joint Institute for Strategic Energy Analysis Porro, G. National Renewable Energy Laboratory Meshek, M. National Renewable Energy Laboratory Sandor, D. National Renewable

146

Thermal expansion within a chain of magnetic colloidal particles  

E-Print Network (OSTI)

We study the thermal expansion of chains formed by self-assembly of magnetic colloidal particles in a magnetic field. Using video-microscopy, complete positional data of all the particles of the chains is obtained. By changing the ionic strength of the solution and the applied magnetic field, the interaction potential can be tuned. We analyze the thermal expansion of the chain using a simple model of a one dimensional anharmonic crystal of finite size.

D. Lacoste; C. Brangbour; J. Bibette; J. Baudry

2009-06-19T23:59:59.000Z

147

Mirror Film Company Has 'Concentrated' Plans for Expansion | Department of  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Mirror Film Company Has 'Concentrated' Plans for Expansion Mirror Film Company Has 'Concentrated' Plans for Expansion Mirror Film Company Has 'Concentrated' Plans for Expansion September 10, 2010 - 1:19pm Addthis Lorelei Laird Writer, Energy Empowers In concentrating solar power, glass is king-but it's fighting to hold on to its crown. The reflectivity of glass mirrors makes them a great choice for focusing sunlight onto a heat generator. However, the glass mirrors can be expensive and heavy -- reducing their ability to compete with conventional energy sources. ReflecTech Inc. has an option: a silvered polymer-based film that does the same job, but with half the weight and cost. Using that film, the company can make 100,000 square feet of mirror panels per year at its factory in Arvada, Colo. Through an Advanced Manufacturing 48C tax credit through the Recovery Act,

148

Mass Market Demand Response and Variable Generation Integration Issues: A Scoping Study  

Science Conference Proceedings (OSTI)

This scoping study focuses on the policy issues inherent in the claims made by some Smart Grid proponents that the demand response potential of mass market customers which is enabled by widespread implementation of Advanced Metering Infrastructure (AMI) through the Smart Grid could be the “silver bullet” for mitigating variable generation integration issues. In terms of approach, we will: identify key issues associated with integrating large amounts of variable generation into the bulk power system; identify demand response opportunities made more readily available to mass market customers through widespread deployment of AMI systems and how they can affect the bulk power system; assess the extent to which these mass market Demand Response (DR) opportunities can mitigate Variable Generation (VG) integration issues in the near-term and what electricity market structures and regulatory practices could be changed to further expand the ability for DR to mitigate VG integration issues over the long term; and provide a qualitative comparison of DR and other approaches to mitigate VG integration issues.

Cappers, Peter; Mills, Andrew; Goldman, Charles; Wiser, Ryan; Eto, Joseph H.

2011-09-10T23:59:59.000Z

149

A Case Study to Evaluate the Reliability Impact of Large-Scale Wind Generation: Incorporating Variable Generation and Loads into Rel iability-based Transmission Planning  

Science Conference Proceedings (OSTI)

This report describes a case study using a probabilistic framework to capture variations in output of variable generation connected to the transmission system along with system loads. The research in 2010, 2011, and some part of 2012 focused on developing the probabilistic model framework. The focus of the 2012 work was to use this model on a real-world (as opposed to a test system) transmission planning case along with data for all the variable generation and system loads modeled in the case to ...

2013-08-29T23:59:59.000Z

150

Monitoring and control requirement definition study for dispersed storage and generation (DSG). Volume I. Final report  

DOE Green Energy (OSTI)

Dispersed Storage and Generation (DSG) is the term that characterizes the present and future dispersed, relatively small (<30 MW) energy systems, such as solar thermal electric, photovoltaic, wind, fuel cell, storage battery, hydro, and cogeneration, that can help achieve national energy conservation goals and can be dispersed throughout the distribution portion of an electric utility system. A study of trends reveals that the need for DSG monitoring and control equipment by 1990 to 2000 will be great, measured in tens of thousands. Criteria for assessing DSG integration have been defined and indicate that economic and institutional as well as technical and other factors must be included. The principal emphasis in this report is on the functional requirements for DSG monitoring and control in six major categories. Twenty-four functional requirements have been prepared under these six categories and serve to indicate how to integrate the DSGs with the distribution and other portions of the electric utility system. The results indicate that there are no fundamental technical obstacles to prevent the connection of dispersed storage and generation to the distribution system. However, a communication system of some sophistication will be required to integrate the distribution system and the dispersed generation sources for effective control. The large-size span of generators from 10 kW to 30 MW means that a variety of remote monitoring and control may be required. The results show that an increased effort is required to develop demonstration equipment to perform the DSG monitoring and control functions and to acquire experience with this equipment in the utility distribution environment.

Not Available

1980-10-01T23:59:59.000Z

151

A study of electrical generating capacities of self-discharging slim holes  

Science Conference Proceedings (OSTI)

Theoretical calculations have been performed to estimate the electrical generating capacities of small-diameter geothermal wells for off-grid rural electrification using wellhead generators. In these applications, generating capacities of interest are typically in the range 100-1000 kWe. The approach amounted to (1) calculating the “wellhead discharge characteristics” (water/steam discharge rates as functions of wellhead pressure) for a variety of hypothetical well and reservoir descriptions, (2) employing a mathematical representation for the net generating capacity of a wellhead powerplant as a function of its operating inlet pressure and steam inlet rate, and (3) varying the wellhead (= turbine inlet) pressure to identify the “optimum” pressure value at which the net electrical power is maximized. Calculations were carried out for well diameters from 75 mm to 300 mm, for well depths from 300 to 1200 meters, for reservoir temperatures from 100°C to 240°C, for piezometric surface depths (related to shut-in reservoir pressure) from zero to 250 meters, and for downhole productivity indices from 2 kg/s/bar to infinity. A few cases were also included in which the CO2 content of the reservoir fluid was non-zero (up to 1% by mass in the brine). Both backpressure and condensing single-flash steam turbine powerplants were considered. The study was restricted to vertical wells of uniform inside diameter and to all-liquid in-situ reservoir fluids. Over fifteen thousand combinations of the above parameters were examined. The results indicate that slim holes as small as 100 mm inside diameter penetrating reservoirs with temperatures as low as 150°C can produce useful amounts of electrical power using condensing wellhead turbines (> 100 kWe). For higher reservoir temperatures, the electrical capacity of such a well can exceed one megawatt.

Pritchett, J.W.

1996-01-24T23:59:59.000Z

152

Environmental radiological studies in 1989 near the Rancho Seco Nuclear Power Generating Station  

SciTech Connect

In December 1988, the Sacramento Municipal Utilities District (SMUD) asked the Lawrence Livermore National Laboratory's (LLNL) Environmental Sciences Division (ENV) to collect sediment, water,and fish samples downstream from the Rancho Seco Nuclear Power Generating Station for analysis of radionuclides to compare with results from earlier surveys in 1984 through 1987 (1--8). ENV was, however, asked to reduce the total number of sample collections to a minimum in this study because of financial constraints. The proposal ENV submitted for the 1989 Environmental Radiological Studies downstream of the Rancho Seco Nuclear Power Generating Station reflected this reduction, but we believe, nevertheless, the 1989 efforts do allow us to make some meaningful comparisons with the previous studies. Cesium-137 is the most significant radionuclide still observed downstream from the Rancho Seco Nuclear Power Plant. Only occasionally is {sup 134}Cs or {sup 60}CO observed. In 1989, the concentration of {sup 137}Cs in the water and fish decreased with distance from the plant to the same level that is was in 1987, and was lower than it had been from 1984 through 1986. The concentration ratio (CR) for {sup 137}Cs in fish is between 1000 and 1500, which is below the NRC default value of 2000. Physical mixing in the creek environment has moved the {sup 137}Cs deeper into the sediment column, thereby reducing the concentration in the top 12 cm relative to that in previous years. 8 refs., 18 figs., 9 tabs.

Robison, W.L.; Wong, Kai M.; Jones, H.E.

1990-11-01T23:59:59.000Z

153

A Study of Distributed Generation System Characteristics and Protective Load Control Strategy  

E-Print Network (OSTI)

turbines: Doubly-fed Induction Generator (DFIG) and Fixed-speed Wind Turbine (FSWT) are compared), Distributed Generation System (DGS), Doubly- fed Induction Generator (DFIG), Fixed-speed Wind Turbine (FSWT (FSWT) and doubly-fed induction generator wind turbine (DFIG) have different characteristics, when

Chen, Zhe

154

Filtering with Marked Point Process Observations via Poisson Chaos Expansion  

SciTech Connect

We study a general filtering problem with marked point process observations. The motivation comes from modeling financial ultra-high frequency data. First, we rigorously derive the unnormalized filtering equation with marked point process observations under mild assumptions, especially relaxing the bounded condition of stochastic intensity. Then, we derive the Poisson chaos expansion for the unnormalized filter. Based on the chaos expansion, we establish the uniqueness of solutions of the unnormalized filtering equation. Moreover, we derive the Poisson chaos expansion for the unnormalized filter density under additional conditions. To explore the computational advantage, we further construct a new consistent recursive numerical scheme based on the truncation of the chaos density expansion for a simple case. The new algorithm divides the computations into those containing solely system coefficients and those including the observations, and assign the former off-line.

Sun Wei, E-mail: wsun@mathstat.concordia.ca [Concordia University, Department of Mathematics and Statistics (Canada); Zeng Yong, E-mail: zengy@umkc.edu [University of Missouri at Kansas City, Department of Mathematics and Statistics (United States); Zhang Shu, E-mail: zhangshuisme@hotmail.com [Concordia University, Department of Mathematics and Statistics (Canada)

2013-06-15T23:59:59.000Z

155

Distributed Generation Study/10 West 66th Street Corp | Open Energy  

Open Energy Info (EERE)

10 West 66th Street Corp 10 West 66th Street Corp < Distributed Generation Study Jump to: navigation, search Study Location New York, New York Site Description Residential-Multifamily-Single Building Study Type Long-term Monitoring Technology Microturbine Prime Mover Ingersoll Rand I-R PowerWorks 70 Heat Recovery Systems Built-in Fuel Natural Gas System Installer DSM Engineering System Enclosure Indoor System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability None Power Rating 70 kW0.07 MW 70,000 W 70,000,000 mW 7.0e-5 GW 7.0e-8 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 300000 Cooling Capacity (Refrig/Tons) Origin of Controller 3rd Party Off-the-Shelf Component Integration Customer Assembled Start Date 2005/11/17 Monitoring Termination Date 1969/12/31

156

Report of tritide study at the Responsive Neutron Generator Product Deployment Center.  

SciTech Connect

This report documents a study of sample counting results for wipes from routine surface area monitoring conducted at the Responsive Neutron Generator Product Deployment Center (RNGPDC) at Sandia National Laboratories (SNL). The study was initiated in November 2006, with two samples suspected of containing erbium tritide, after some samples were found to exhibit higher tritium counting rates upon recount at a later time. The main goal of the study was to determine whether the current practice of analyzing tritium wipe samples once, within a few days of sample collection, is adequate to accurately quantify the amount of tritium on the sample when tritides may be present. Recommendations are made toward routine recounting of vials suspected of containing particulate forms of tritium.

Burkhart, Robert; Coffey, Jaime

2008-11-01T23:59:59.000Z

157

Study of transmission and protection elements for wind energy generating systems. Volume 1  

DOE Green Energy (OSTI)

Results are reported of a study at Cornell University on transmission, distribution, and protection systems for large wind-energy generators (WEG) connected to an electric utility grid. Configurations for wind farms on flat terrain, mountain-peak clusters, and installations along a ridge were examined. Computer studies of load-flow and short-circuit behavior confirmed the technical feasibility of the proposed systems. Realistic unit costs for the projected transmission and protection schemes range from $109 to $317 per Kw, depending upon choice of configuration and distance from the grid. Cost of protective equipment is found to be a major factor in most cases, tending to be equal or greater than transmission line costs when the WEG units are located five miles or less from the grid. Several alternatives are suggested for future study.

Linke, S; Teshome, A; Yehsakul, P D

1978-04-01T23:59:59.000Z

158

Distributed Generation Study/Aisin Seiki G60 at Hooligans Bar and Grille |  

Open Energy Info (EERE)

Aisin Seiki G60 at Hooligans Bar and Grille Aisin Seiki G60 at Hooligans Bar and Grille < Distributed Generation Study Jump to: navigation, search Study Location Liverpool, New York Site Description Commercial-Restaurant Study Type Field Test Technology Internal Combustion Engine Prime Mover Aisin Seiki G60 Heat Recovery Systems Built-in Fuel Natural Gas System Installer ECO Technical Solutions System Enclosure Outdoor System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability None Power Rating 6 kW0.006 MW 6,000 W 6,000,000 mW 6.0e-6 GW 6.0e-9 TW Nominal Voltage (V) 240 Heat Recovery Rating (BTU/hr) 46105 Cooling Capacity (Refrig/Tons) Origin of Controller Manufacturer-Integrated Component Integration Customer Assembled Start Date 2005/07/10 Monitoring Termination Date 2005/07/21

159

Query expansion techniques for question answering  

E-Print Network (OSTI)

Query expansion is a technique used to boost performance of a document retrieval engine, such as those commonly found in question answering (QA) systems. Common methods of query expansion for Boolean keyword-based document ...

Bilotti, Matthew W. (Matthew William), 1981-

2004-01-01T23:59:59.000Z

160

Expansion and Collapse of Liquid Aluminum Foams  

Science Conference Proceedings (OSTI)

ESP Dust Recovery Process Test Works, Plant Trial, Commissioning, Operations and Metallurgical Performance · Expansion and Collapse of Liquid Aluminum ...

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
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161

Cluster Expansion Methods - Progress and Outlook  

Science Conference Proceedings (OSTI)

Symposium, Computational Thermodynamics and Kinetics. Presentation Title, Cluster Expansion Methods - Progress and Outlook. Author(s), Axel van de Walle .

162

PV Ramping in a Distributed Generation Environment: A Study Using Solar Measurements; Preprint  

DOE Green Energy (OSTI)

Variability in Photovoltaic (PV) generation resulting from variability in the solar radiation over the PV arrays is a topic of continuing concern for those involved with integrating renewables onto existing electrical grids. The island of Lanai, Hawaii is an extreme example of the challenges that integrators will face due to the fact that it is a small standalone grid. One way to study this problem is to take high-resolution solar measurements in multiple locations and model simultaneous PV production for various sizes at those locations. The National Renewable Energy Laboratory (NREL) collected high-resolution solar data at four locations on the island where proposed PV plants will be deployed in the near future. This data set provides unique insight into how the solar radiation may vary between points that are proximal in distance, but diverse in weather, due to the formation of orographic clouds in the center of the island. Using information about each proposed PV plant size, power output was created at high resolution. The team analyzed this output to understand power production ramps at individual locations and the effects of aggregating the production from all four locations. Hawaii is a unique environment, with extremely variable events occurring on a daily basis. This study provided an excellent opportunity for understanding potential worst-case scenarios for PV ramping. This paper provides an introduction to the datasets that NREL collected over a year and a comprehensive analysis of PV variability in a distributed generation scenario.

Sengupta, M.; Keller, J.

2012-06-01T23:59:59.000Z

163

Study of physical properties, gas generation and gas retention in simulated Hanford waste  

DOE Green Energy (OSTI)

The purpose of this study was to establish the chemical and physical processes responsible for the generation and retention of gases within high-level waste from Tank 101-SY on the Hanford Site. This research, conducted using simulated waste on a laboratory scale, supports the development of mitigation/remediation strategies for Tank 101-SY. Simulated waste formulations are based on actual waste compositions. Selected physical properties of the simulated waste are compared to properties of actual Tank 101-SY waste samples. Laboratory studies using aged simulated waste show that significant gas generation occurs thermally at current tank temperatures ({approximately}60{degrees}C). Gas compositions include the same gases produced in actual tank waste, primarily N{sub 2}, N{sub 2}O, and H{sub 2}. Gas stoichiometries have been shown to be greatly influenced by several organic and inorganic constituents within the simulated waste. Retention of gases in the simulated waste is in the form of bubble attachment to solid particles. This attachment phenomenon is related to the presence of organic constituents (HEDTA, EDTA, and citrate) of the simulated waste. A mechanism is discussed that relates the gas bubble/particle interactions to the partially hydrophobic surface produced on the solids by the organic constituents.

Bryan, S.A.; Pederson, L.R.; Scheele, R.D.

1993-04-01T23:59:59.000Z

164

Exploration of Resource and Transmission Expansion Decisions  

E-Print Network (OSTI)

Exploration of Resource and Transmission Expansion Decisions in the Western Renewable Energyin.S. Department of Energy, Office of Electricity Delivery and Energy Reliability, Permitting, Siting and Analysis Division #12;Resource and Transmission ExpansionResource and Transmission Expansion Decisions in WREZ

165

Master Project: Study of the interaction between multiple Wind Farms Wind Energy is the fastest growing source of energy, and its expansion seems  

E-Print Network (OSTI)

of wind turbines (so called wind farms) are being built. At present, much knowledge exists regarding single wind turbines and also about wind turbine interaction. Nevertheless, little is known aboutMaster Project: Study of the interaction between multiple Wind Farms Wind Energy is the fastest

166

Flame-capturing technique. 1: Adaptation to gas expansion  

E-Print Network (OSTI)

Various flame tracking techniques are often used in hydrodynamic simulations. Their use is indispensable when resolving actual scale of the flame is impossible. We show that parameters defining "artificial flame" propagation found from model systems may yield flame velocities several times distinct from the required ones, due to matter expansion being ignored in the models. Integral effect of material expansion due to burning is incorporated into flame capturing technique (FCT) [Khokhlov(1995)]. Interpolation formula is proposed for the parameters governing flame propagation yielding 0.2% accurate speed and width for any expansion (and at least 0.01% accurate for expansions typical in type Ia supernova explosions.) Several models with simple burning rates are studied with gas expansion included. Plausible performance of the technique in simulations is discussed. Its modification ensuring finite flame width is found. Implementation suggestions are summarized, main criterion being the scheme performance being insensitive to expansion parameter (thus absence of systematic errors when the burning progresses from inner to outer layers); in this direction promising realizations are found, leading to flame structure not changing while flame evolves through the whole range of densities in the white dwarf.

Andrey V. Zhiglo

2005-11-12T23:59:59.000Z

167

Feasibility study of units 3 and 4. Batlle y Ordonez Power Station and expansion of La Tablada Power Station. Export trade information  

SciTech Connect

The study, conducted by Southern Electric International (SEI), was funded by the U.S. Trade and Development Agency on behalf of U.T.E., the Government of Uruguay's electric power company. It is an assessment of three potential projects under consideration by U.T.E. The changes resulting from these projects would add 120 to 360 megawatts capacity to the current system. The first option would involve repowering Jose Batlle y Ordonex Units 3 and 4. As an alternate to this plan, U.T.E. is considering a new combined cycle plant at a Greenfield site. The third project would increase capacity at La Tablada.

Not Available

1994-01-21T23:59:59.000Z

168

Market-Based Valuation of New Coal-Fired Generation: Case Studies of Investment Risk and Profitability  

Science Conference Proceedings (OSTI)

Natural gas turbine technology has dominated new generation capacity additions in the United States, yet several years of unexpectedly high natural gas prices are driving interest in alternatives. This report uses case studies of new coal-fired generation to address the question of whether coal can be a good choice for the private investor. The studies give great detail on possible coal plants in Texas and some guidance on possible projects in Virginia, Ohio, and Indiana. The studies provide a comprehens...

2003-03-26T23:59:59.000Z

169

Renewable Electricity Futures Study. Volume 2: Renewable Electricity Generation and Storage Technologies  

DOE Green Energy (OSTI)

The Renewable Electricity Futures (RE Futures) Study investigated the challenges and impacts of achieving very high renewable electricity generation levels in the contiguous United States by 2050. The analysis focused on the sufficiency of the geographically diverse U.S. renewable resources to meet electricity demand over future decades, the hourly operational characteristics of the U.S. grid with high levels of variable wind and solar generation, and the potential implications of deploying high levels of renewables in the future. RE Futures focused on technical aspects of high penetration of renewable electricity; it did not focus on how to achieve such a future through policy or other measures. Given the inherent uncertainties involved with analyzing alternative long-term energy futures as well as the multiple pathways that might be taken to achieve higher levels of renewable electricity supply, RE Futures explored a range of scenarios to investigate and compare the impacts of renewable electricity penetration levels (30%-90%), future technology performance improvements, potential constraints to renewable electricity development, and future electricity demand growth assumptions. RE Futures was led by the National Renewable Energy Laboratory (NREL) and the Massachusetts Institute of Technology (MIT).

Augustine, C.; Bain, R.; Chapman, J.; Denholm, P.; Drury, E.; Hall, D.G.; Lantz, E.; Margolis, R.; Thresher, R.; Sandor, D.; Bishop, N.A.; Brown, S.R.; Cada, G.F.; Felker, F.

2012-06-01T23:59:59.000Z

170

An energy systems modelling approach for the planning of power generation: a North American case study  

Science Conference Proceedings (OSTI)

Due to Saskatchewan's growing energy demands, the public's environmental concerns and the decommissioning of existing coal-fired facilities, the province will need to construct new electric generating facilities with high economic performance ... Keywords: Canada, electricity generation, energy modelling, energy planning, energy technology, environment, environmental performance, greenhouse gas emissions, power generation technologies, renewable energy

Q. G. Lin; G. H. Huang; B. Bass

2005-04-01T23:59:59.000Z

171

Grid Expansion Planning for Carbon Emissions Reduction  

SciTech Connect

There is a need to upgrade and expand electric power transmission and generation to meet specified renewable energy targets and simultaneously minimize construction cost and carbon emissions. Some challenges are: (1) Renewable energy sources have variable production capacity; (2) Deficiency of transmission capacity at desirable renewable generation locations; (3) Need to incorporate models of operations into planning studies; and (4) Prevent undesirable operational outcomes such as negative dispatch prices or curtailment of carbon neutral generation.

Bent, Russell W. [Los Alamos National Laboratory; Toole, Gasper L. [Los Alamos National Laboratory

2012-07-18T23:59:59.000Z

172

Mass Market Demand Response and Variable Generation Integration Issues: A Scoping Study  

NLE Websites -- All DOE Office Websites (Extended Search)

63E 63E Mass Market Demand Response and Variable Generation Integration Issues: A Scoping Study Peter Cappers, Andrew Mills, Charles Goldman, Ryan Wiser, Joseph H. Eto Environmental Energy Technologies Division October 2011 The work described in this report was funded by the Permitting, Siting and Analysis Division of the U.S. Department of Energy's Office of Electricity Delivery and Energy Reliability under Lawrence Berkeley National Laboratory Contract No. DE-AC02- 05CH11231. ERNEST ORLANDO LAWRENCE BERKELEY NATIONAL LABORATORY Disclaimer This document was prepared as an account of work sponsored by the United States Government. While this document is believed to contain correct information, neither the United States Government nor any agency thereof, nor The Regents of the

173

Steam Generator Replacement and Power Up-rating on Tihange 2 Nuclear Plant Safety Study Analyses  

SciTech Connect

The Tihange2 900 MWe 3-L PWR NPP, operated by the Belgian utility Electrabel, was first commissioned in 1982 with a design core power of 2775 MWth. Following an initial core power up-rating by 4,5% in 1995, Electrabel has since replaced the Steam Generators which has allowed a further core power increase by roughly 5% (total 10%) in 2001. For both of each projects, licensing and implementation studies were successfully performed by Tractebel Energy Engineering and Framatome ANP. The demanding new operating conditions required a complete review of the plant design basis for which advanced methods were applied and licensed through a continuous process of discussions with the client and the Belgian Safety Authorities AVN. The licensing process required flexibility in the methods application in order to meet the specific requirements of the S.A., which was achieved within the time schedule and without jeopardising the technical objectives of the utility. (authors)

Malaval, Andre; Marin-Lafleche, Pascale; Forgeot d'Arc, Myriam; Collin, Celine [Framatome ANP (France)

2002-07-01T23:59:59.000Z

174

Economic Radioisotope Thermoelectric Generator (RTG) study. Volume II. Development plan. Final report  

DOE Green Energy (OSTI)

The objectives of this study were: (1) to develop and evaluate an ERTG design for a high power, Curium-244 fueled system based on the tubular thermoelectric module technology; (2) to prepare a program plan for the development of a flight qualified ERTG; and (3) to estimate the costs associated with the production of one, ten and twenty flight qualified ERTG's. This volume summarizes the program plan for developing and producing flight qualified ERTG's. The information presented explains what will be accomplished and when, in relation to the overall technical and management effort - defining a program geared to the design, development, qualification, and delivery within six years of ERTG hardware satisfying specified USAF performance objectives. In addition, cost estimates are supplied for producing ten and twenty follow-on ERTG units based on the Second Generation ERTG Design. (WHK)

Not Available

1973-12-01T23:59:59.000Z

175

A study of solitary wave trains generated by injection of a blob into plasmas  

Science Conference Proceedings (OSTI)

We have investigated the evolution of consecutive electrostatic solitary waves (ESWs) generated upon injection of a finite-sized blob into plasmas using one-dimensional electrostatic particle-in-cell simulations. Strong charge separation developed at the leading edge of the blob, producing a huge electrostatic potential in which electrons were trapped and heated. Ions were reflected from the boundaries of the blob, forming fast, cold ion beams in the forward and backward directions. The forward ion beams interacted with the hot electrons, which were escaping from the potential developed at the leading edge of the blob, to produce successive ESWs. On the other hand, the backward ion beams formed ion phase space holes as a result of the ion two-stream instability. The present study demonstrates that localized density perturbations in plasmas can be a viable source of consecutive ESWs observed in space.

Choi, C.-R.; Choi, E.-J.; Min, K.-W. [Department of Physics, Korea Advanced Institute of Science and Technology, Taejon 305-701 (Korea, Republic of); Rha, K.-C.; Ryu, C.-M. [Department of Physics, POSTECH, San 31, Hyoja-dong, Pohang 790-784 (Korea, Republic of); Lee, E. [School of Space Research, Kyung Hee University, Yongin, Gyeonggi-do 446-701 (Korea, Republic of); Parks, G. K. [Space Sciences Laboratory, University of California, Berkeley, California 94720 (United States)

2012-10-15T23:59:59.000Z

176

Uptake swelling and thermal expansion of CFRP tendons  

E-Print Network (OSTI)

research. Changes in the concrete cover do not have much of an influence on the maximum hoop stress generated. However, this should be treated with caution since the analysis in Figure 11 only considers elastic behaviour up to first cracking. The concrete... composites. Journal of Composite Materials, 1978, 12, No. 2, 153–168. 15. TOMPKINS S. S. Thermal expansion of selected graphite- reinforced polyimide-, epoxy- and glass-matrix composites. International Journal of Thermophysics, 1987, 8, No. 1, 119–132. 16...

Scott, P.; Lees, Janet M.

2009-08-01T23:59:59.000Z

177

Power-generation alternatives. The Hellenic power system. Volume 2. Phase 1. Feasibility study. Export trade information  

Science Conference Proceedings (OSTI)

The report constitutes the first phase (Phase I) of a feasibility study prepared for the Public Power Corporation (PPC) for a coal-based electric power generation facility. The study considers the following: Need for a future coal-fired electric power generation facility located at or near the existing Aliveri or St. George Stations; Potential to repower the existing units at both the Aliveri and St. George Stations with coal; and Various candidate combustion technologies for new generation and for repowering. The report presents findings and conclusions with respect to power demand/supply forecast, coal procurement strategy, new generation or repowering facility configuration alternatives, and the costs of each alternative. In addition, for both new generation and repowering, the use of indigenous lignite to supplement coal use is qualitatively evaluated, and the resulting possible technical and economic impacts are discussed.

Not Available

1987-06-01T23:59:59.000Z

178

Distributed Generation Study/615 kW Waukesha Packaged System | Open Energy  

Open Energy Info (EERE)

kW Waukesha Packaged System kW Waukesha Packaged System < Distributed Generation Study Jump to: navigation, search Study Location Des Plaines, Illinois Site Description Testing Laboratory Study Type Laboratory Test Technology Internal Combustion Engine Prime Mover Waukesha VGF 36GLD Heat Recovery Systems Sondex PHE-Type SL140-TM-EE-190, Sondex PHE-Type SL140-TM-EE-150, Cain UTR1-810A17.5SSP Fuel Natural Gas System Installer GTI System Enclosure Outdoor System Application Combined Heat and Power Number of Prime Movers 1 Stand-alone Capability None Power Rating 615 kW0.615 MW 615,000 W 615,000,000 mW 6.15e-4 GW 6.15e-7 TW Nominal Voltage (V) 480 Heat Recovery Rating (BTU/hr) 2500000 Cooling Capacity (Refrig/Tons) 90 Origin of Controller 3rd Party Off-the-Shelf Component Integration Factory Integrated

179

Power supply expansion and the nuclear option in Poland  

SciTech Connect

Poland is in the process of liberalizing and modernizing its electric power system. Given its heavy reliance on coal and a consequent history of often severe environmental externalities associated with power production, the nature of capacity expansion in Poland has important environmental and social implications. To better understand capacity expansion in Poland, we constructed a data set of the Polish power sector for use with the Elfin capacity expansion planning model. Using Elfin, we derived four scenarios and several sensitivities for new generating capacity construction. These scenarios simulate choices among several generic generating technologies made to achieve the lowest overall net present cost of operating the power system through 2015. We find that natural gas is a highly desirable fuel for future power generation in Poland, but primarily as a peaking resource. As the current system is inflexible and peaking capacity appears to be the most pressing need, this result is not surprising. However, when nuclear power is included as a generation option, natural gas is less desirable than the Polish Power Grid Company (PPGCo) has suggested, and, despite the PPGCo`s claims to the contrary, nuclear power cannot be ruled out in Poland on economic grounds alone. In the unconstrained Elfin scenarios, using PPGCo assumptions, nuclear power is attractive, especially after 2010. The attractiveness of nuclear generation proves sensitive to certain input variables, however, notably fixed operating and maintenance cost, and possible carbon taxes. Moreover, we find that the effectiveness of conservation efforts designed to reduce airborne emissions is limited under scenarios in which nuclear generation is adopted. 23 refs., 11 figs., 5 tabs.

Marnay, C.; Pickle, S.

1997-06-01T23:59:59.000Z

180

Mass Market Demand Response and Variable Generation Integration Issues: A Scoping Study  

E-Print Network (OSTI)

Goldman, G. (2009) Retail demand response in Southwest PowerCoordination of retail demand response with Midwest ISO2010. 110 pages. Demand Response and Variable Generation

Cappers, Peter

2012-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


181

A study on low voltage ride-through capability improvement for doubly fed induction generator.  

E-Print Network (OSTI)

??Since large scale unscheduled tripping of wind power generation could lead to power system stability problem. Thus network interconnection regulations become more rigid when the… (more)

Lin, Xiao-Chiu

2010-01-01T23:59:59.000Z

182

TISSUE CULTURE AND TRANSFORMATION STUDIES OF JATROPHA CURCAS, A SECOND GENERATION BIOFUEL CROP.  

E-Print Network (OSTI)

??Jatropha curcas L. (Euphorbiaceae) is an important second generation biofuel crop. In a time when energy needs are coming to the forefront of our nation’s… (more)

Tabatabai, Behnam

2011-01-01T23:59:59.000Z

183

Design Study of the Extraction System of the 3rd Generation ECR Ion Source  

DOE Green Energy (OSTI)

A design study for the extraction system of the 3rd Generation super conducting ECR ion source at LBNL is presented. The magnetic design of the ion source has a mirror field of 4 T at the injection and 3 T at the extraction side and a radial field of 2.4 T at the plasma chamber wall. Therefore, the ion beam formation takes place in a strong axial magnetic field. Furthermore the axial field drops from 3 T to 0.4 T within the first 30 cm. The influence of the high magnetic field on the ion beam extraction and matching to the beam line is investigated. The extraction system is first simulated with the 2D ion trajectory code IGUN with an estimated mean charge state of the extracted ion beam. These results are then compared with the 2D code AXCEL-INP, which can simulate the extraction of ions with different charge states. Finally, the influence of the strong magnetic hexapole field is studied with the three dimensional ion optics code KOBRA. The introduced tool set can be used to optimize the extraction system of the super conducting ECR ion source.

Leitner, M.A.; Lyneis, C.M.; Taylor, C.E.; Wutte, D.; Xie, Z.Q.

1998-10-06T23:59:59.000Z

184

Computational Needs for the Next Generation Electric Grid Proceedings  

E-Print Network (OSTI)

of generation and transmission lines deployment.   b.major interstate transmission lines. These require economicchoice  for  the  transmission  line  expansion  to  reduce 

Birman, Kenneth

2012-01-01T23:59:59.000Z

185

Dynamic Simulation Studies of the Frequency Response of the Three U.S. Interconnections with Increased Wind Generation  

SciTech Connect

Utility Systems Efficiencies, Inc. was tasked by Lawrence Berkeley National Laboratory (LBNL) to conduct dynamic simulation studies of the three U.S. interconnections (Eastern, Western, and Texas). The simulations were prepared in support of LBNL's project for the Federal Energy Regulatory Commission to study frequency-response-related issues that must be addressed to operate the power system reliably with large amounts of variable renewable generation. The objective of the simulation studies of each interconnection was to assess the effects of different amounts of wind generation on frequency behavior of each interconnection following a sudden loss of generation. The scenarios created to study these effects considered an operating circumstance in which system load is at or close to its minimum. The event studied was the sudden loss of the largest amount of generation recorded within each interconnection. The simulations calculated the impact of this event on interconnection frequency for three levels of wind generation. In addition to varying the amount of wind generation, the simulations varied the amount of operating reserves between a high level representative of current operating practices and a low level representative of the minimum required by present operating rules.

Mackin, Peter; Daschmans, R.; Williams, B.; Haney, B.; Hung, R.; Ellis, J.

2010-12-20T23:59:59.000Z

186

Dynamic Simulation Studies of the Frequency Response of the Three U.S. Interconnections with Increased Wind Generation  

SciTech Connect

Utility Systems Efficiencies, Inc. was tasked by Lawrence Berkeley National Laboratory (LBNL) to conduct dynamic simulation studies of the three U.S. interconnections (Eastern, Western, and Texas). The simulations were prepared in support of LBNL's project for the Federal Energy Regulatory Commission to study frequency-response-related issues that must be addressed to operate the power system reliably with large amounts of variable renewable generation. The objective of the simulation studies of each interconnection was to assess the effects of different amounts of wind generation on frequency behavior of each interconnection following a sudden loss of generation. The scenarios created to study these effects considered an operating circumstance in which system load is at or close to its minimum. The event studied was the sudden loss of the largest amount of generation recorded within each interconnection. The simulations calculated the impact of this event on interconnection frequency for three levels of wind generation. In addition to varying the amount of wind generation, the simulations varied the amount of operating reserves between a high level representative of current operating practices and a low level representative of the minimum required by present operating rules.

Mackin, Peter; Daschmans, R.; Williams, B.; Haney, B.; Hung, R.; Ellis, J.

2010-12-20T23:59:59.000Z

187

Procedures to predict vertical differential soil movement for expansive soils  

E-Print Network (OSTI)

Damage to lightly loaded structures, paving and service piping in areas of expansive clay soils has occurred throughout the world. The cause of this damage has been the inability to accurately model expansive soil movement so that foundations are adequately designed to withstand the movement. The amount and rate of differential soil movement for expansive soils is due to a combination of soil characteristics, namely: suction compression index, unsaturated permeability, and diffusivity. Currently, geotechnical engineers run tests to measure the soil properties required to estimate differential soil movements. However, there seems to be apprehension toward attempting these soil movement calculations due to the perceived complexity of the calculations or a simple lack of understanding of the theory. The procedures delineating the step by step process used to calculate suction profiles and volume strains of expansive soils is presented. These procedures include the methodology to predict soil heave and shrink underneath shallow foundations which generate maximum center lift and maximum edge lift slab distortion modes. The main contributions of this research are: equations and procedures to calculate the equilibrium suction profile and depth to constant suction for a particular soil profile and location, equations to calculate the horizontal velocity flow of water in unsaturated soils, the methodology to predict differential soil movement shortly after a slab has been constructed and before the soil under the slab has reached an equilibrium moisture content, and the procedures to apply differential soil movement theory to soil profiles with shallow foundation design.

Naiser, Donald David

1997-01-01T23:59:59.000Z

188

Optimal study of distributed generation impact on electrical distribution networks using GA and generalized reduced gradient  

Science Conference Proceedings (OSTI)

This paper presents the effect of Distributed Generators (DG) existence in the electrical power distribution networks taking IEEE 14 and IEEE 30 bus test feeders as proposed systems. The analysis is done to examine the effect on the overall system losses ... Keywords: IEEE 14 bus system, IEEE 30 bus system and optimization, distributed generator (DG), generalized reduced gradient (GRG), genetic algorithms (GA)

Samuel Raafat Fahim; Walid Helmy; Hany M. Hasanien; M. A. L. Badr

2011-03-01T23:59:59.000Z

189

Assessment of Distributed Resources: A Case Study for Tri-State Generation and Transmission Association, Inc.  

Science Conference Proceedings (OSTI)

During the process of upgrading service for three distribution customers, Tri-State Generation and Transmission Association (Tri-State) evaluated various distributed generation (DIS-GEN) options. Candidate DIS-GEN systems competitive with other options could become the basis for customer upgrade solutions.

1997-12-05T23:59:59.000Z

190

Cosmic Growth History and Expansion History  

E-Print Network (OSTI)

of the expansion history dark energy equation of state,and growth history constraints on the dark energy equationand growth history constraints on the dark energy equation

Linder, Eric V.

2009-01-01T23:59:59.000Z

191

Natural Gas Pipeline and System Expansions  

U.S. Energy Information Administration (EIA)

Energy Information Administration / Natural Gas Monthly April 1997 vii This special report examines recent expansions to the North American natural gas pipeline network

192

Resonant Polarized Radiation Catalysis, and the Expansion  

Science Conference Proceedings (OSTI)

Presentation Title, The Birth of a New Field of Materials Science: Resonant Polarized Radiation Catalysis, and the Expansion of Thermodynamics. Author(s)  ...

193

Energy Infrastructure Events and Expansions Infrastructure Security...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Year-in-Review: 2010 Energy Infrastructure Events and Expansions Infrastructure Security and Energy Restoration Office of Electricity Delivery and Energy Reliability U.S....

194

Query expansion techniques for question answering.  

E-Print Network (OSTI)

??Query expansion is a technique used to boost performance of a document retrieval engine, such as those commonly found in question answering (QA) systems. Common… (more)

Bilotti, Matthew W. (Matthew William), 1981-

2004-01-01T23:59:59.000Z

195

Cyberspace Security Econometrics System (CSES) Expansion to ...  

In typical usage, analysts create matrices that capture their expert opinion, and then use those matrices to quantify costs to stakeholders. This expansion

196

Water bath calorimetric study of excess heat generation in 'resonant transfer' plasmas  

E-Print Network (OSTI)

Water bath calorimetry was used to demonstrate one more peculiar phenomenon associated with a certain class of mixed gas plasmas termed resonant transfer, or RT plasmas. Specifically, He/H2 (10%) (500 mTorr), Ar/H2 (10%) (500 mTorr), and H2O(g) (500 and 200 mTorr) plasmas generated with an Evenson microwave cavity consistently yielded on the order of 50% more heat than non RT plasma (controls) such as He, Kr, Kr/H2 (10%), under identical conditions of gas flow, pressure, and microwave operating conditions. The excess power density of RT plasmas was of the order 10 W / cm-3. In earlier studies with these same RT plasmas it was demonstrated that other unusual features were present including dramatic broadening of the hydrogen Balmer series lines, unique vacuum ultraviolet (VUV) lines, and in the case of water plasmas, population inversion of the hydrogen excited states. Both the current results and the earlier results are completely consistent with the existence of a hitherto unknown exothermic chemical reaction, such as that predicted by Mills, occurring in RT plasmas.

J. Phillips; R. L. Mills; X. Chen

2004-01-26T23:59:59.000Z

197

A Case Study on Anti-islanding Protectionof Distributed Generation Using Autoground: Hydro-Québec Smart Grid Demonstration  

Science Conference Proceedings (OSTI)

This case study presents results of Hydro-Québec’s construction and testing of an anti-islanding approach, referred to as an autoground. The premise of the approach is to allow the distributed generation system time to detect the islanding situation. This is done using a pas­sive approach up until the moment just prior to reclosing of the substation breaker, at which point the autoground momentarily short circuits the feeder, forcing any remaining distributed generation resources to ...

2013-05-29T23:59:59.000Z

198

Second-Generation Pressurized Fluidized Bed Combustion: Small gas turbine induustrial plant study  

SciTech Connect

Second-Generation Pressurized Fluidized Bed Combustion (PFBC) plants provide a coal-fired, high-efficiency, combined-cycle system for the generation of electricity and steam. The plants use lime-based sorbents in PFB combustors to meet environmental air standards without back-end gas desulfurization equipment. The second-generation system is an improvement over earlier PFBC concepts because it can achieve gas temperatures of 2100[degrees]F and higher for improved cycle efficiency while maintaining the fluidized beds at 1600[degrees]F for enhanced sulfur capture and minimum alkali release. Second-generation PFBC systems are capable of supplying the electric and steam process needs of industrial plants. The basic second-generation system can be applied in different ways to meet a variety of process steam and electrical requirements. To evaluate the potential of these systems in the industrial market, conceptual designs have been developed for six second-generation PFBC plants. These plants cover a range of electrical outputs from 6.3 to 41.5 MWe and steam flows from 46,067 to 442,337 lb/h. Capital and operating costs have been estimated for these six plants and for equivalent (in size) conventional, coal-fired atmospheric fluidized bed combustion cogeneration plants. Economic analyses were conducted to compare the cost of steam for both the second-generation plants and the conventional plants.

Shenker, J.; Garland, R.; Horazak, D.; Seifert, F.; Wenglarz, R.

1992-07-01T23:59:59.000Z

199

Second-Generation Pressurized Fluidized Bed Combustion: Small gas turbine industrial plant study  

SciTech Connect

Second-Generation Pressurized Fluidized Bed Combustion (PFBC) plants provide a coal-fired, high-efficiency, combined-cycle system for the generation of electricity and steam. The plants use lime-based sorbents in PFB combustors to meet environmental air standards without back-end gas desulfurization equipment. The second-generation system is an improvement over earlier PFBC concepts because it can achieve gas temperatures of 2100{degrees}F and higher for improved cycle efficiency while maintaining the fluidized beds at 1600{degrees}F for enhanced sulfur capture and minimum alkali release. Second-generation PFBC systems are capable of supplying the electric and steam process needs of industrial plants. The basic second-generation system can be applied in different ways to meet a variety of process steam and electrical requirements. To evaluate the potential of these systems in the industrial market, conceptual designs have been developed for six second-generation PFBC plants. These plants cover a range of electrical outputs from 6.3 to 41.5 MWe and steam flows from 46,067 to 442,337 lb/h. Capital and operating costs have been estimated for these six plants and for equivalent (in size) conventional, coal-fired atmospheric fluidized bed combustion cogeneration plants. Economic analyses were conducted to compare the cost of steam for both the second-generation plants and the conventional plants.

Shenker, J.; Garland, R.; Horazak, D.; Seifert, F.; Wenglarz, R.

1992-07-01T23:59:59.000Z

200

Method and apparatus for thermal power generation  

DOE Patents (OSTI)

A method and apparatus for power generation from a recirculating superheat-reheat circuit with multiple expansion stages which alleviates complex control systems and minimizes thermal cycling of system components, particularly the reheater. The invention includes preheating cold reheat fluid from the first expansion stage prior to its entering the reheater with fluid from the evaporator or drum component.

Mangus, James D. (Hempfield Township, Westmoreland County, PA)

1979-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


201

Dynamic Simulation Studies of the Frequency Response of the Three U.S. Interconnections with Increased Wind Generation  

E-Print Network (OSTI)

factor. Type 2 Wind Turbine Generator (Wound Rotor InductionTurbine Generator (Doubly-fed Induction (Asynchronous) Generator: The rotor

Mackin, Peter

2011-01-01T23:59:59.000Z

202

Mobile Generation Options to Enhance Customer Service Reliability: Case Study for the New York Power Authority  

Science Conference Proceedings (OSTI)

A community served by New York Power Authority (NYPA) has a history of long-term power reliability problems. To resolve these reliability problems, NYPA has evaluated several mobile distributed generation (DIS-GEN) options.

1997-12-23T23:59:59.000Z

203

Item retrieval and competition in noun and verb generation: An fmri study  

Science Conference Proceedings (OSTI)

Selection between competing responses and stimulus-response association strength is thought to affect performance during verb generation. However, the specific contribution of these two processes remains unclear. Here we used fMRI to investigate the ...

Cristiano Crescentini; Tim Shallice; Emiliano Macaluso

2010-06-01T23:59:59.000Z

204

Design and fabrication of a microfluidies gradient generator system for high-throughput molecular interaction studies  

E-Print Network (OSTI)

Design and fabrication of a microfluidics system capable of generating reproducible and controlled micro-biochemical environments that can be used as a diagnostic assay and microreactor is important. Here, a simple technique ...

Chen, Guan-Jong, 1981-

2004-01-01T23:59:59.000Z

205

Study of Linear Equivalent Circuits of Electromechanical Systems for Turbine Generator Units.  

E-Print Network (OSTI)

??The thesis utilizes the analogy in dynamic equations between a mechanical and an electrical system to convert the steam-turbine, micro-turbine, wind-turbine and hydro-turbine generator mechanical… (more)

Tsai, Chia-Chun

2012-01-01T23:59:59.000Z

206

Model Study of Waves Generated by Convection with Direct Validation via Satellite  

Science Conference Proceedings (OSTI)

Atmospheric gravity waves have a major effect on atmospheric circulation, structure, and stability on a global scale. Gravity waves can be generated by convection, but in many cases it is difficult to link convection directly to a specific wave ...

Alison W. Grimsdell; M. Joan Alexander; Peter T. May; Lars Hoffmann

2010-05-01T23:59:59.000Z

207

Supersaturated Turbine Expansions for Binary Geothermal Power Plants  

DOE Green Energy (OSTI)

The Heat Cycle Research project is developing the technology base that will permit a much greater utilization of the moderate-temperature, liquid-dominated geothermal resources, particularly for the generation of electrical power. The emphasis in the project has been the improvement of the performance of binary power cycles. The investigations have been examining concepts projected to improve the brine utilization by 20% relative to a ''Heber-type'' binary plant; these investigations are nearing completion. preparations are currently underway in the project to conduct field investigations of the condensation behavior of supersaturated turbine expansions. These investigations will evaluate whether the projected additional 8% to 10% improvement in brine utilization can be realized by allowing these expansions. Future program efforts will focus on the problems associated with heat rejection and on the transfer of the technology being developed to industry.

Bliem, C.J.; Mines, G.L.

1992-03-24T23:59:59.000Z

208

Resonant holographic measurements of laser ablation plume expansion in vacuum and argon gas backgrounds  

Science Conference Proceedings (OSTI)

This thesis discusses the following on resonant holographic measurements of laser ablation plume expansion: Introduction to laser ablation; applications of laser ablation; The study of plume expansion; holographic interferometry; resonant holographic interferometry; accounting for finite laser bandwidth; The solution for doppler broadening and finite bandwidth; the main optical table; the lumonics laser spot shape; developing and reconstructing the holograms; plume expansion in RF/Plasma Environments; Determining {lambda}{sub o}; resonant refraction effects; fringe shift interpretation; shot-to-shot consistency; laser ablation in vacuum and low pressure, inert, background gas; theoretically modeling plume expansion in vacuum and low pressure, inert, background gas; and laser ablation in higher pressure, inert, background gas.

Lindley, R.A. [Michigan Univ., Ann Arbor, MI (United States)

1993-10-01T23:59:59.000Z

209

Steam Generator Management Program: Benchmark Study of EPRI and EDF Steam Generator Thermal-Hydraulic and Flow Induced Vibration Cod es  

Science Conference Proceedings (OSTI)

Steam generator thermal-hydraulics software codes and flow induced vibration software codes are used for steam generator design, root cause investigations, and assessment of operational changes. Organizations within the steam generator industry develop and maintain such software codes. Capabilities of existing codes are being challenged by current demands for more comprehensive results to troubleshoot ...

2012-12-12T23:59:59.000Z

210

YOKAYO BIOFUELS, INC. GRANT FOR IMPROVEMENTS AND EXPANSION OF  

E-Print Network (OSTI)

YOKAYO BIOFUELS, INC. GRANT FOR IMPROVEMENTS AND EXPANSION OF AN EXISTING FACILITY INITIAL STUDY-11-601) to expand an existing biofuels production facility (Yokayo Biofuels, Inc.) located at 350 Orr: THE PROPOSED PROJECT: Yokayo Biofuels, Inc. is an existing biofuels facility located at 350 Orr Springs Road

211

Status and integration of the gas generation studies performed for the Hydrogen Safety Program. FY-1992 Annual report  

DOE Green Energy (OSTI)

Waste in Tank 241-SY-101 on the Hanford Site generates and periodically releases hydrogen, nitrous oxide, and nitrogen gases. Studies have been conducted at several laboratories to determine the chemical mechanisms for the gas generation and release. Results from these studies are presented and integrated in an attempt to describe current understanding of the physical properties of the waste and the mechanisms of gas generation and retention. Existing tank data are consistent with the interpretation that gases are uniformly generated in the tank, released continuously from the convecting layer, and stored in the nonconvecting layer. Tank temperature measurements suggest that the waste consists of ``gobs`` of material that reach neutral buoyancy at different times. The activation energy of the rate limiting step of the gas generating process was calculated to be about 7 kJ/mol but measured in the laboratory at 80 to 100 kJ/mol. Based on observed temperature changes in the tank the activation energy is probably not higher than about 20 kJ/mol. Several simulated waste compositions have been devised for use in laboratory studies in the place of actual waste from Tank 241-SY-101. Data from these studies can be used to predict how the actual waste might behave when heated or diluted. Density evaluations do not confirm that heating waste at the bottom of the tank would induce circulation within the waste; however, heating may release gas bubbles by dissolving the solids to which the bubbles adhere. Gas generation studies on simulated wastes indicated that nitrous oxide and hydrogen yields are not particularly coupled. Solubility studies of nitrous oxide, the most soluble of the principal gaseous products, indicate it is unlikely that dissolved gases contribute substantially to the quantity of gas released during periodic events.

Pederson, L.R.; Strachan, D.M.

1993-02-01T23:59:59.000Z

212

Effect of surface structure on catalytic reactions: A sum frequency generation surface vibrational spectroscopy study  

DOE Green Energy (OSTI)

In the results discussed above, it is clear that Sum Frequency Generation (SFG) is a unique tool that allows the detection of vibrational spectra of adsorbed molecules present on single crystal surfaces under catalytic reaction conditions. Not only is it possible to detect active surface intermediates, it is also possible to detect spectator species which are not responsible for the measured turnover rates. By correlating high-pressure SFG spectra under reaction conditions and gas chromatography (GC) kinetic data, it is possible to determine which species are important under reaction intermediates. Because of the flexibility of this technique for studying surface intermediates, it is possible to determine how the structures of single crystal surfaces affect the observed rates of catalytic reactions. As an example of a structure insensitive reaction, ethylene hydrogenation was explored on both Pt(111) and Pt(100). The rates were determined to be essentially the same. It was observed that both ethylidyne and di-{sigma} bonded ethylene were present on the surface under reaction conditions on both crystals, although in different concentrations. This result shows that these two species are not responsible for the measured turnover rate, as it would be expected that one of the two crystals would be more active than the other, since the concentration of the surface intermediate would be different on the two crystals. The most likely active intermediates are weakly adsorbed molecules such as {pi}-bonded ethylene and ethyl. These species are not easily detected because their concentration lies at the detection limit of SFG. The SFG spectra and GC data essentially show that ethylene hydrogenation is structure insensitive for Pt(111) and Pt(100). SFG has proven to be a unique and excellent technique for studying adsorbed species on single crystal surfaces under high-pressure catalytic reactions. Coupled with kinetic data obtained from gas chromatography measurements, it can give much insight into how the structure of a single crystal surface affects the chemistry of a catalytic reaction by detecting surface species under reaction conditions.

McCrea, Keith R.

2001-09-07T23:59:59.000Z

213

Study on Aerodynamic Design of Horizontal Axis Wind Turbine Generator System  

Science Conference Proceedings (OSTI)

In this paper the choosing principles of design parameters and multi-airfoils in horizontal axis wind turbine (HAWT) generator system aerodynamic design are introduced. On the basis of the comparison analysis of wind turbine aerodynamic design method ... Keywords: Schmitz, airfoil, partial load, horizontal axis wind turbine (HAWT), blade tip speed ratio (BTSR)

Li Dong; Mingfu Liao; Yingfeng Li; Xiaoping Song; Ke Xu

2009-10-01T23:59:59.000Z

214

Investigation of an Emergency Diesel Generator Reliability Program, A Case Study of Crystal River Unit 3  

Science Conference Proceedings (OSTI)

The Florida Power Corporation Crystal River nuclear station has markedly improved emergency diesel generator (EDG) reliability at its Unit 3 reactor. Analysis of plant activities that contributed to this improvement demonstrates the effectiveness of applying practical EDG reliability programs and confirms the usefulness of proposed EPRI guidelines for such programs.

1989-01-26T23:59:59.000Z

215

Development of a Mesh Generation Code with a Graphical Front-End: A Case Study  

Science Conference Proceedings (OSTI)

Scientists and engineers are increasingly developing software to enable them to do their work. A number of characteristics differentiate the software development environment in which a scientist or engineer works from the development environment in which ... Keywords: Computational Engineering, Lessons Learned, Mesh-generation Code, Software Development, Software Engineering

Jeffrey Carver

2011-10-01T23:59:59.000Z

216

Cosmic Growth History and Expansion History  

E-Print Network (OSTI)

The cosmic expansion history tests the dynamics of the global evolution of the universe and its energy density contents, while the cosmic growth history tests the evolution of the inhomogeneous part of the energy density. Precision comparison of the two histories can distinguish the nature of the physics responsible for the accelerating cosmic expansion: an additional smooth component - dark energy - or a modification of the gravitational field equations. With the aid of a new fitting formula for linear perturbation growth accurate to 0.05-0.2%, we separate out the growth dependence on the expansion history and introduce a new growth index parameter \\gamma that quantifies the gravitational modification.

Eric V. Linder

2005-07-11T23:59:59.000Z

217

Concentric ring flywheel without expansion separators  

DOE Patents (OSTI)

A concentric ring flywheel wherein the adjacent rings are configured to eliminate the need for differential expansion separators between the adjacent rings. This is accomplished by forming a circumferential step on an outer surface of an inner concentric ring and forming a matching circumferential step on the inner surface of an adjacent outer concentric ring. During operation the circumferential steps allow the rings to differentially expand due to the difference in the radius of the rings without the formation of gaps therebetween, thereby eliminating the need for expansion separators to take up the gaps formed by differential expansion.

Kuklo, Thomas C. (Oakdale, CA)

1999-01-01T23:59:59.000Z

218

Concentric ring flywheel without expansion separators  

DOE Patents (OSTI)

A concentric ring flywheel wherein the adjacent rings are configured to eliminate the need for differential expansion separators between the adjacent rings. This is accomplished by forming a circumferential step on an outer surface of an inner concentric ring and forming a matching circumferential step on the inner surface of an adjacent outer concentric ring. During operation the circumferential steps allow the rings to differentially expand due to the difference in the radius of the rings without the formation of gaps therebetween, thereby eliminating the need for expansion separators to take up the gaps formed by differential expansion. 3 figs.

Kuklo, T.C.

1999-08-24T23:59:59.000Z

219

Correlation between thermal expansion and heat capacity  

E-Print Network (OSTI)

Theoretically predicted linear correlation between the volume coefficient of thermal expansion and the thermal heat capacity was investigated for highly symmetrical atomic arrangements. Normalizing the data of these thermodynamic parameters to the Debye temperature gives practically identical curves from zero Kelvin to the Debye temperature. This result is consistent with the predicted linear correlation. At temperatures higher than the Debye temperature the normalized values of the thermal expansion are always higher than the normalized value of the heat capacity. The detected correlation has significant computational advantage since it allows calculating the volume coefficient of thermal expansion from one experimental data by using the Debye function.

Jozsef Garai

2004-04-25T23:59:59.000Z

220

NASA/FPL Renewable Project Case Study: Space Coast Next Generation Solar Energy Center  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

NASA/FPL Renewable Project: NASA/FPL Renewable Project: Space Coast Next Generation Solar Energy Center Biloxi, MS - FUPWG April 5-6. 2009 Gene Beck Corporate Manager, Governmental Accounts Mark Hillman Executive Account Manger With over $9 billion already invested, FPL Group is the world leader in renewable energy FPL Group's renewable energy portfolio With over $9 billion already invested, FPL Group is the world leader in renewable energy FPL Group's renewable energy portfolio With over $9 billion already invested, FPL Group is the world leader in renewable energy FPL Group's renewable energy portfolio FPL has started construction on the world's first hybrid energy center in Martin County Martin Next Generation Solar Energy Project Total Facility = approx 11,300 acres Solar Field = approx 500 acres

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


221

Generator loss of field; Experience and studies for AEP's Rockport Plant  

SciTech Connect

This paper describes the performance of American Electric Power (AEP) Company's remotely-located 2600 MW Rockport Plant after loss of field (LOF) disturbances to one of its 1300 MW cross-compound units. Loss of field conditions occur rarely, but the resultant high currents and pulsating torques can damage a turbine-generator, and the electrical system near the disturbance will be impacted by abnormal levels or cyclic swings of power, VArs, and voltages. Rockport LOF computer simulations were conducted with recently developed detailed models; the level of detail was suggested by analyses of recent LOF experience at AEP and by recent developments in generator and excitation system modeling. Simulation results are presented to illustrate the torques, current levels, voltages, speeds, and potential relay actions following loss of field.

Rana, R.D.; Schulz, R.P. (Bulk Transmission Planning Div., American Electric Power Service Corp., Columbus, OH (US))

1989-01-01T23:59:59.000Z

222

Study for Snake Robot Technology for Inspection of Headers and Tubes in Heat Recovery Steam Generators  

Science Conference Proceedings (OSTI)

Heat recovery steam generator (HRSG) tubing is especially difficult to inspect using conventional nondestructive evaluation (NDE) techniques because: The tubing is tightly bundled, with interior bundle tubing typically inaccessible by conventional equipment without cutting and later repairing the exterior tubes. The tubing is finned and, since ultrasonic techniques require solid contact with the tube, cannot be accessed unless the tubing is cut away. Access to the inside of the tubes is difficult, requi...

2009-11-10T23:59:59.000Z

223

Steam Generator Management Program: Experimental Studies of Flow Around Foreign Objects in a Tube Array  

Science Conference Proceedings (OSTI)

Tube wear caused by foreign objects (FOs) in steam generators can lead to unplanned and costly forced outages. The complex flow field within the tube bundle, coupled with the wide range of FO sizes and possible configurations relative to the tubes, poses a challenge to the understanding of the fundamental mechanisms of FO-tube interaction and prediction of the resulting tube wear.The goals of the project were (1) to develop an experimental apparatus and measurement system capable of ...

2013-12-18T23:59:59.000Z

224

Aggregated DR Generation Concepts: Case Studies Using the DR Economic Screening Tool  

Science Conference Proceedings (OSTI)

As deregulation progresses, the electric power industry will unbundle into three main functional components: generation, transmission, and distribution. Several versions of the transmission and distribution (T&D) services market will develop as each state and region determines how its own needs are best regulated. As T&D companies seek competitive advantages in the changing market, utilities are being challenged to meet increased customer loads at least cost. In addition, regulators are requiring utiliti...

2002-11-05T23:59:59.000Z

225

Study of second harmonic generation by high power laser beam in magneto plasma  

SciTech Connect

This paper examines the problem of nonlinear generation of second harmonic of a high power laser pulse propagating in magnetized plasma. The propagation of strong laser beam is proposed in the direction perpendicular to a relatively weak static magnetic field. The laser pulse is taken to be linearly polarized, with the orientation of its electric field that corresponds to an ordinary electromagnetic wave. Besides the standard ponderomotive nonlinearity, the appropriate wave equation also contains the nonlinearity that arises from the relativistic electron jitter velocities. During its propagation, the laser beam gets filamented on account of relativistic and pondermotive nonlinearities present in the plasma. The generated plasma wave gets coupled into the filamentary structures of the pump beam. Due to the expected presence of the beam filamentation, the work has been carried out by considering modified paraxial approximation (i.e., beyond the standard paraxial approximation of a very broad beam). It is found that the power of the plasma wave is significantly affected by the magnetic field strength in the presence of both relativistic and pondermotive nonlinearities. It is investigated that the second harmonic generation is also considerably modified by altering the strength of magnetic field. To see the effect of static magnetic field on the harmonic generation, a key parameter, i.e., the ratio of the cyclotron frequency {omega}{sub c}=eB{sub 0}/mc over the laser frequency {omega}{sub 0} has been used, where c is the velocity of light, m and e are the mass and charge of the electron and B{sub 0} is the externally applied magnetic field.

Sharma, Prerana [Ujjain Engineering College, Ujjain, Madhya Pradesh 465010 (India); Sharma, R. P. [Centre for Energy Studies, Indian Institute of Technology, New Delhi 110016 (India)

2012-12-15T23:59:59.000Z

226

Mesh generation and energy group condensation studies for the jaguar deterministic transport code  

Science Conference Proceedings (OSTI)

The deterministic transport code Jaguar is introduced, and the modeling process for Jaguar is demonstrated using a two-dimensional assembly model of the Hoogenboom-Martin Performance Benchmark Problem. This single assembly model is being used to test and analyze optimal modeling methodologies and techniques for Jaguar. This paper focuses on spatial mesh generation and energy condensation techniques. In this summary, the models and processes are defined as well as thermal flux solution comparisons with the Monte Carlo code MC21. (authors)

Kennedy, R. A.; Watson, A. M.; Iwueke, C. I.; Edwards, E. J. [Knolls Atomic Power Laboratory, Bechtel Marine Propulsion Corporation, P.O. Box 1072, Schenectady, NY 12301-1072 (United States)

2012-07-01T23:59:59.000Z

227

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

Optimal investments in power generation under centralizedwith significant wind power generation. IEEE Transactions onmodeling of a regional power generation system - integrating

Mills, Andrew

2013-01-01T23:59:59.000Z

228

Dynamic Simulation Studies of the Frequency Response of the Three U.S. Interconnections with Increased Wind Generation  

E-Print Network (OSTI)

2009. “North America Dynamic Wind Generator Modeling Update,work performed by the WECC Wind Generator Modeling Group andIEEE Dynamic Performance of Wind Power Generation Working

Mackin, Peter

2011-01-01T23:59:59.000Z

229

Meteorological Network Expansion Using Information Decay Concept  

Science Conference Proceedings (OSTI)

A generalized network design methodology was developed by using the basic entropy concept introduced by Shannon in communication engineering. In order to select potential sites for meteorological network expansion purposes, the meteorological ...

Tahir Husain; Mustafa A. Ukayli; Hasin U. Khan

1986-03-01T23:59:59.000Z

230

Ocotillo Wind I Expansion | Open Energy Information  

Open Energy Info (EERE)

I Expansion I Expansion Jump to: navigation, search Name Ocotillo Wind I Expansion Facility Ocotillo Wind I Expansion Sector Wind energy Facility Type Commercial Scale Wind Facility Status Under Construction Owner Pattern Energy Developer Pattern Energy Energy Purchaser San Diego Gas & Electric Location Ocotillo CA Coordinates 32.76302656°, -116.0466957° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":32.76302656,"lon":-116.0466957,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

231

Century Wind Project Expansion | Open Energy Information  

Open Energy Info (EERE)

Project Expansion Project Expansion Jump to: navigation, search Name Century Wind Project Expansion Facility Century Wind Project Expansion Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner MidAmerican Energy Developer EnXco Energy Purchaser MidAmerican Energy Location Wright and Hamilton Counties IA Coordinates 42.509141°, -93.682151° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":42.509141,"lon":-93.682151,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

232

Motiva Enterprises Refinery Expansion Groundbreaking | Department...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

it. When this expansion is complete this facility which is now one of the preeminent refineries on the Gulf Coast will become the largest in the United States and one of the...

233

Quantization Noise Shaping on Arbitrary Frame Expansions  

E-Print Network (OSTI)

Quantization noise shaping is commonly used in oversampled A/D and D/A converters with uniform sampling. This paper considers quantization noise shaping for arbitrary finite frame expansions based on generalizing the view ...

Boufounos, Petros T.

234

Flat Ridge 2 Expansion | Open Energy Information  

Open Energy Info (EERE)

Flat Ridge 2 Expansion Flat Ridge 2 Expansion Jump to: navigation, search Name Flat Ridge 2 Expansion Facility Flat Ridge 2 Expansion Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner BP Wind Energy Developer BP Wind Energy Energy Purchaser Arkansas Electric Cooperative Corp Location Sharon KS Coordinates 37.383239°, -98.334088° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":37.383239,"lon":-98.334088,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

235

Sheath expansion and plasma dynamics in the presence of electrode evaporation: Application to a vacuum circuit breaker  

Science Conference Proceedings (OSTI)

During the postarc dielectric recovery phase in a vacuum circuit breaker, a cathode sheath forms and expels the plasma from the electrode gap. The success or failure of current breaking depends on how efficiently the plasma is expelled from the electrode gap. The sheath expansion in the postarc phase can be compared to sheath expansion in plasma immersion ion implantation except that collisions between charged particles and atoms generated by electrode evaporation may become important in a vacuum circuit breaker. In this paper, we show that electrode evaporation plays a significant role in the dynamics of the sheath expansion in this context not only because charged particle transport is no longer collisionless but also because the neutral flow due to evaporation and temperature gradients may push the plasma toward one of the electrodes. Using a hybrid model of the nonequilibrium postarc plasma and cathode sheath coupled with a direct simulation Monte Carlo method to describe collisions between heavy species, we present a parametric study of the sheath and plasma dynamics and of the time needed for the sheath to expel the plasma from the gap for different values of plasma density and electrode temperatures at the beginning of the postarc phase. This work constitutes a preliminary step toward understanding and quantifying the risk of current breaking failure of a vacuum arc.

Sarrailh, P. [UPS, INPT, LAPLACE (Laboratoire Plasma et Conversion d'Energie), Universite de Toulouse, 118 route de Narbonne, F-31062 Toulouse Cedex 9 (France); LAPLACE, CNRS, F-31062 Toulouse (France); Schneider Electric, Centre de Recherche 38 TEC, 38050 Grenoble Cedex 09 (France); Garrigues, L.; Hagelaar, G. J. M.; Boeuf, J. P. [UPS, INPT, LAPLACE (Laboratoire Plasma et Conversion d'Energie), Universite de Toulouse, 118 route de Narbonne, F-31062 Toulouse Cedex 9 (France); LAPLACE, CNRS, F-31062 Toulouse (France); Sandolache, G.; Rowe, S. [Schneider Electric, Centre de Recherche 38 TEC, 38050 Grenoble Cedex 09 (France)

2009-09-01T23:59:59.000Z

236

The application of expansion foam on liquefied natural gas (LNG) to suppress LNG vapor and LNG pool fire thermal radiation  

E-Print Network (OSTI)

Liquefied Natural Gas (LNG) hazards include LNG flammable vapor dispersion and LNG pool fire thermal radiation. A large LNG pool fire emits high thermal radiation thus preventing fire fighters from approaching and extinguishing the fire. One of the strategies used in the LNG industry and recommended by federal regulation National Fire Protection Association (NFPA) 59A is to use expansion foam to suppress LNG vapors and to control LNG fire by reducing the fire size. In its application, expansion foam effectiveness heavily depends on application rate, generator location, and LNG containment pit design. Complicated phenomena involved and previous studies have not completely filled the gaps increases the needs for LNG field experiments involving expansion foam. In addition, alternative LNG vapor dispersion and pool fire suppression methodology, Foamglas® pool fire suppression (PFS), is investigated as well. This dissertation details the research and experiment development. Results regarding important phenomena are presented and discussed. Foamglas® PFS effectiveness is described. Recommendations for advancing current guidelines in LNG vapor dispersion and pool fire suppression methods are developed. The gaps are presented as the future work and recommendation on how to do the experiment better in the future. This will benefit LNG industries to enhance its safety system and to make LNG facilities safer.

Suardin, Jaffee Arizon

2008-08-01T23:59:59.000Z

237

Lighting studies: interpreting lighting styles from traditional media in computer-generated imagery  

E-Print Network (OSTI)

The goal of this research is to determine whether lighting styles from traditional media can be effectively interpreted in computer-generated scenes. Five paintings and a film still were carefully analyzed for their lighting styles, and scenes following these styles were recreated using the computer. Other factors, such as modeling and texturing, were simplified so that the focus of the research rested on lighting alone. By comparing the lighting in scenes with neutral and monochromatic texturing and in more abstract scenes bearing little resemblance to the original paintings, it is possible to see how lighting can serve to further the main story intent and mood of a scene.

Hong, Cindy Christine

2002-01-01T23:59:59.000Z

238

Earth pressures and deformations in civil infrastructure in expansive soils  

E-Print Network (OSTI)

This dissertation includes the three major parts of the study: volume change, and lateral earth pressure due to suction change in expansive clay soils, and design of civil infrastructure drilled pier, retaining wall and pavement in expansive soils. The volume change model in expansive clay has been refined to reinforce realistic characteristics of swelling and shrinkage behavior of expansive clay soils. Refinements include more realistic design soil suction versus depth profiles and improved characterizations of the effects of soil cracking, overburden stress, and lateral earth pressure. The refined model also includes an algorithm of assigning suctionvolumetric water content curves and diffusivity through the soil. The typical lateral earth pressure distribution during wetting against a stationary wall is proposed. The proposed stationary retaining wall-soil system in expansive soils includes an upper movement active zone and a lower anchor zone. Mohrâ s circles and failure envelopes are used to define the effective horizontal stress and shear failure in an unsaturated soil. The prediction of the horizontal pressures due to suction change in a soil is compared with the in situ measurement of natural horizontal pressures and the measurements from the large scale tests. It is found that agreement between the measured and predicted horizontal pressures is satisfactory. Case studies of axial and bending of the pier are presented with both uniform and non-uniform wetting. The pier case study for axial behavior shows a good agreement with a heave at ground surface and uplift forces. Three case studies for bending behavior of the pier and retaining wall are presented based on suction change. Pavement design program has been refined to extend the design capabilities into both flexible and rigid pavements supported by pavement treatments. The comparative case studies using both current and new methods in pavement design show that the current method criterion of 1-inch is unnecessarily conservative. Furthermore, the current method does not provide a means of anticipating subgrade shrinkage that will result in longitudinal cracking along the edge of the pavement. The design calculations with both methods lead to the conclusion that neither the swelling movement, as in the current method, nor the total movement, as in the new method, is a reliable indicator of likely acceptable pavement performance. Instead, all of these case studies show that it is important to use the predicted history of the present serviceability index and the international roughness index as the proper design guideline for an acceptable treatment of the subgrade of an expansive soil.

Hong, Gyeong Taek

2008-05-01T23:59:59.000Z

239

Summary of three regional assessment studies of solar electric generation opportunities in the Southwest, Southeast, and Northeast United States  

DOE Green Energy (OSTI)

Market opportunities for solar generation of electricity for utility and for residential/commercial/industrial applications in the Northeast, Southeast, and Southwest regions of the United States were evaluated in three studies (JBF 1979, Stone and Webster 1979a, 1979b) and are summarized. The evaluations were based on both economic analyses and user perception of what they would require to select or approve the use of solar electric generation for themselves or for their employers. Over 30 utilities and several industrial and commercial firms and homeowners were involved. Solar electric technologies considered included biomass, hybrid retrofit, OTEC, photovoltaic, solar thermal, and wind. The studies projected that solar electric technologies could account for several percent of the forecast generation in year 2000 in the Southeast and Southwest regions,and up to 10 to 20% in the Northeast region. No single solar electric technology or application (for utility or industrial/commercial/residential use) arrived earlier at economic breakeven than other technologies in the Southeast region, but wind generation for both utility and industrial applications predominated in the Northeast region. The Southwest region, in which only utility applications were considered, showed wind energy and retrofit hybrid (a solar adjunct to an existing fossil-fueled plant) to be the most likely early applications.

Watts, R.L.; Harty, H.

1981-02-01T23:59:59.000Z

240

EA-0845: Expansion of the Idaho National Engineering Laboratory...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Marketing Administration Other Agencies You are here Home EA-0845: Expansion of the Idaho National Engineering Laboratory Research Center, Idaho Falls, Idaho EA-0845: Expansion...

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


241

Year-in-Review: 2012 Energy Infrastructure Events and Expansions...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Year-in-Review: 2012 Energy Infrastructure Events and Expansions Now Available (July 2013) Year-in-Review: 2012 Energy Infrastructure Events and Expansions Now Available (July...

242

Secretary Chu Celebrates Expansion of Lithium-Ion Battery Production...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Celebrates Expansion of Lithium-Ion Battery Production in North Carolina Secretary Chu Celebrates Expansion of Lithium-Ion Battery Production in North Carolina July 26, 2011 -...

243

Combining Positive and Negative Thermal Expansion Materials to ...  

Science Conference Proceedings (OSTI)

Presentation Title, Combining Positive and Negative Thermal Expansion Materials to Tailor the Coefficient of Thermal Expansion in Metal/Ceramic Composites.

244

EIS-0488: Cameron Pipeline Expansion Project and Cameron LNG...  

NLE Websites -- All DOE Office Websites (Extended Search)

88: Cameron Pipeline Expansion Project and Cameron LNG Liquefaction Project, Cameron Parish, LA EIS-0488: Cameron Pipeline Expansion Project and Cameron LNG Liquefaction Project,...

245

EIA - Natural Gas Pipeline Network - Expansion Process Flow Diagram  

Annual Energy Outlook 2012 (EIA)

Natural Gas based on data through 20072008 with selected updates Development and Expansion Process For Natural Gas Pipeline Projects Figure showing the expansion process...

246

Expansion and Improvement of Solar Water Heating Technology in...  

Open Energy Info (EERE)

Expansion and Improvement of Solar Water Heating Technology in China Project Management Office Jump to: navigation, search Name Expansion and Improvement of Solar Water Heating...

247

Study for radionuclide transfer ratio of aerosols generated during heat cutting  

SciTech Connect

The metallic elements with a low melting point and high vapor pressure seemed to transfer in aerosols selectively at dismantling reactor internals using heat cutting. Therefore, the arc melting tests of neutron irradiated zirconium alloy were conducted to investigate the radionuclide transfer behavior of aerosols generated during the heat cutting of activated metals. The arc melting test was conducted using a tungsten inert gas welding machine in an inert gas or air atmosphere. The radioactive aerosols were collected by filter and charcoal filter. The test sample was obtained from Zry-2 fuel cladding irradiated in a Japanese boiling water reactor for five fuel cycles. The activity analysis, chemical composition measurement and scanning electron microscope observation of aerosols were carried out. Some radionuclides were enriched in the aerosols generated in an inert gas atmosphere and the radionuclide transfer ratio did not change remarkably by the presence of air. The transfer ratio of Sb-125 was almost the same as that of Co-60. It was expected that Sb-125 was enriched from other elements since Sb is an element with a low melting point and high vapor pressure compared with the base metal (Zr). In the viewpoint of the environmental impact assessment, it became clear that the influence if Sb-125 is comparable to Co-60. The transfer ratio of Mn-54 was one order higher compared with other radionuclides. The results were discussed on the basis of thermal properties and oxide formation energy of the metallic elements. (authors)

Iguchi, Yukihiro; Baba, Tsutomu; Kawakami, Hiroto [Japan Nuclear Energy Safety Organization - JNES (Japan); Kitahara, Takashi; Watanabe, Atsushi [Hitachi, Ltd. (Japan); Kodama, Mitsuhiro [Nippon Nuclear Fuel Development Co., Ltd. (Japan)

2007-07-01T23:59:59.000Z

248

Estimation of end of life mobile phones generation: The case study of the Czech Republic  

SciTech Connect

Highlights: Black-Right-Pointing-Pointer In this paper, we define lifespan of mobile phones and estimate their average total lifespan. Black-Right-Pointing-Pointer The estimation of lifespan distribution is based on large sample of EoL mobile phones. Black-Right-Pointing-Pointer Total lifespan of Czech mobile phones is surprisingly long, exactly 7.99 years. Black-Right-Pointing-Pointer In the years 2010-20, about 26.3 million pieces of EoL mobile phones will be generated in the Czech Republic. - Abstract: The volume of waste electrical and electronic equipment (WEEE) has been rapidly growing in recent years. In the European Union (EU), legislation promoting the collection and recycling of WEEE has been in force since the year 2003. Yet, both current and recently suggested collection targets for WEEE are completely ineffective when it comes to collection and recycling of small WEEE (s-WEEE), with mobile phones as a typical example. Mobile phones are the most sold EEE and at the same time one of appliances with the lowest collection rate. To improve this situation, it is necessary to assess the amount of generated end of life (EoL) mobile phones as precisely as possible. This paper presents a method of assessment of EoL mobile phones generation based on delay model. Within the scope of this paper, the method has been applied on the Czech Republic data. However, this method can be applied also to other EoL appliances in or outside the Czech Republic. Our results show that the average total lifespan of Czech mobile phones is surprisingly long, exactly 7.99 years. We impute long lifespan particularly to a storage time of EoL mobile phones at households, estimated to be 4.35 years. In the years 1990-2000, only 45 thousands of EoL mobile phones were generated in the Czech Republic, while in the years 2000-2010 the number grew to 6.5 million pieces and it is estimated that in the years 2010-2020 about 26.3 million pieces will be generated. Current European legislation sets targets on collection and recycling of WEEE in general, but no specific collection target for EoL mobile phone exists. In the year 2010 only about 3-6% of Czech EoL mobile phones were collected for recovery and recycling. If we make similar estimation using an estimated average EU value, then within the next 10 years about 1.3 billion of EoL mobile phones would be available for recycling in the EU. This amount contains about 31 tonnes of gold and 325 tonnes of silver. Since Europe is dependent on import of many raw materials, efficient recycling of EoL products could help reduce this dependence. To set a working system of collection, it will be necessary to set new and realistic collection targets.

Polak, Milos, E-mail: mpolak@remasystem.cz; Drapalova, Lenka

2012-08-15T23:59:59.000Z

249

A Study of Cloud-Generated Radiative Heating and Its Generation of Available Potential Energy. Part ii: Results for a Climatological Zonal Mean January  

Science Conference Proceedings (OSTI)

Cloud-generated radiative heating is computed for January zonal mean conditions for low and midclouds. For both cases, the strongest influence was found to be in the low troposphere, with marked differences in signs and magnitudes. Optically thin ...

R. Stuhlmann; G. L. Smith

1988-12-01T23:59:59.000Z

250

Wind Generation Feasibility Study for Sac & Fox Tribe of the Mississippi in Iowa (Meskwaki Nation)  

SciTech Connect

1.2 Overview The Meskwaki Nation will obtain an anemometer tower. Install the tower at the site that has been pre-qualified as the site most likely to produce maximum electric power from the wind. It will collect meteorological data from the tower�s sensors for a one year period, as required for due diligence to identify the site as appropriate for the installation of a wind turbine to provide electric power for the community. Have the collected data analyzed by a meteorologist and a professionally certified wind engineer to produce the reports of expected power generation at the site, for the specific wind turbine(s) under consideration for installation. 1.2.1 Goals of the Tribe The feasibility study reports, including technical and business analyses will be used to obtain contracts and financing required to develop and implement a wind turbine project on the Meskwaki Settlement. Our goal is to produce two (2) mega watts of power and to reduce the cost for electricity currently being paid by the Meskwaki Casino. 1.2.2 Project Objectives Meet the energy needs of the community with clean energy. Bring renewable energy to the settlement in a responsible, affordable manner. Maximize both the economic and the spiritual benefits to the tribe from energy independence. Integrate the Tribe�s energy policies with its economic development goals. Contribute to achieving the Tribe�s long-term goals of self-determination and sovereignty. 1.2.3 Project Location The precise location proposed for the tower is at the following coordinates: 92 Degrees, 38 Minutes, 46.008 Seconds West Longitude 41 Degrees, 59 Minutes, 45.311 Seconds North Latitude. A circle of radius 50.64 meters, enclosing and area of 1.98 acres in PLSS Township T83N, Range R15W, in Iowa. In relative directions, the site is 1,650 feet due west of the intersection of Highway 30 and 305th Street in Tama, Iowa, as approached from the direction of Toledo, Iowa. It is bounded on the north by Highway 30 and on the south by 305th Street, a street which runs along a meandering west-south-west heading from this intersection with Highway 30. In relation to Settlement landmarks, it is 300 meters west of the Meskwaki water tower found in front of the Meskwaki Public Works Department, and is due north of the athletic playing fields of the Meskwaki Settlement School. The accompanying maps (in the Site Resource Maps File) use a red pushpin marker to indicate the exact location, both in the overview frames and in the close-up frame. 1.2.4 Long Term Energy Vision The Meskwaki Tribe is committed to becoming energy self-sufficient, improving the economic condition of the tribe, and maintaining Tribal Values of closeness with Grandmother Earth. The details of the Tribe�s long-term vision continues to evolve. A long term vision exists of: 1) a successful assessment program; 2) a successful first wind turbine project reducing the Tribe�s cost of electricity; 3) creation of a Meskwaki Tribal Power Utility/Coop under the auspices of the new tribal Corporation, as we implement a master plan for economic and business development; 4), and opening the doors for additional wind turbines/renewable energy sources on the community. The additional turbines could lead directly to energy self-sufficiency, or might be the one leg of a multi-leg approach using multiple forms of renewable energy to achieve self-sufficiency. We envision current and future assessment projects providing the data needed to qualify enough renewable energy projects to provide complete coverage for the entire Meskwaki Settlement, including meeting future economic development projects� energy needs. While choosing not to engage in excessive optimism, we can imagine that in the future the Iowa rate-setting bodies will mandate that grid operators pay fair rates (tariffs) to renewable suppliers. We will be ready to expand renewable production of electricity for export, when that time comes. The final report includes the Wind

Lasley, Larry C. [Sac & Fox Tribe of the Mississippi in Iowa

2013-03-19T23:59:59.000Z

251

Generation IV Nuclear Energy Systems Construction Cost Reductions through the Use of Virtual Environments - Task 5 Report: Generation IV Reactor Virtual Mockup Proof-of-Principle Study  

SciTech Connect

Task 5 report is part of a 3 year DOE NERI-sponsored effort evaluating immersive virtual reality (CAVE) technology for design review, construction planning, and maintenance planning and training for next generation nuclear power plants. Program covers development of full-scale virtual mockups generated from 3D CAD data presented in a CAVE visualization facility. Created a virtual mockup of PBMR reactor cavity and discussed applications of virtual mockup technology to improve Gen IV design review, construction planning, and maintenance planning.

Timothy Shaw; Anthony Baratta; Vaughn Whisker

2005-02-28T23:59:59.000Z

252

DESIGN, SYNTHESIS AND STUDY OF MULTI-COMPONENT AND INTEGRATED SYSTEMS FOR LIGHT-DRIVEN HYDROGEN GENERATION  

DOE Green Energy (OSTI)

The research focussed on fundamental problems in the conversion of light to stored chemical energy. Specifically, work was completed on the design, synthesis and study of multi-component super- and supramolecular systems for photoinduced charge separation, one of the key steps in artificial photosynthesis, and on the use of these and related systems for the photochemical generation of H2 from water. At the center of these systems are chromophores comprised of square planar coordinated Pt(II) ions with arylacetylide and either diimine or terpyridyl ligands. Previous work had shown that the chromophores are photoluminescent in fluid solution with long-lived metal-to-ligand charge transfer (3MLCT) excited states that are necessarily directional. An advance which set the stage for a number of proposed studies was the light-driven production of hydrogen from water using a Pt(terpyridyl)(arylacetylide)+ chromophore and a sacrificial electron donor. The reaction is catalytic and appears to rival previously reported ruthenium bipyridyl systems in terms of H2 production. Variation of system components and mechanistic studies were conducted to understand better the individual steps in the overall process and how to improve its efficiency. Success with light driven H2 generation was employed as a key probe as new systems were constructed consisting of triads for photoinduced charge separation placed in close proximity to the H2 generating catalyst - a Pt colloid - through direct linkage or supramolecular interactions with the polymer used to stabilize the colloid. In order to prepare new donor-chromophore-acceptor (D-C-A) triads and associated D-C and C-A dyads, new ligands were synthesized having functional groups for different coupling reactions such as simple amide formation and Pd-catalyzed coupling. In these systems, the donor was attached to the arylacetylide ligands and the acceptor was linked to the diimine or terpyridyl chelate. Research under the contract proved successful in the development of synthetic methodologies to make multi-component systems designed so as to maintain electronic communication between components held in a defined spatial arrangement. Systems effective for light driven H2 generation were examined by photophysical methods including transient absorption spectroscopy to observe charge-separated states and chart their dynamics. Quantum yields for hydrogen production were also measured. Additional studies examined the effectiveness of these systems for H2 generation and involved the development of new catalysts and systems based thereon. From these studies, a better understanding of initial steps in the light driven generation of hydrogen were obtained.

Professor Richard Eisenberg

2012-07-18T23:59:59.000Z

253

SLUDGE BATCH 4 FOLLOW-UP QUALIFICATION STUDIES TO EVALUATE HYDROGEN GENERATION  

DOE Green Energy (OSTI)

Follow-up testing was conducted to better understand the excessive hydrogen generation seen in the initial Sludge Batch 4 (SB4) qualification Sludge Receipt and Adjustment Tank/Slurry Mix Evaporator (SRAT/SME) simulation in the Savannah River National Laboratory (SRNL) Shielded Cells. This effort included both radioactive and simulant work. The initial SB4 qualification test produced 0.59 lbs/hr hydrogen in the SRAT, which was just below the DWPF SRAT limit of 0.65 lbs/hr, and the test produced over 0.5 lbs/hr hydrogen in the SME cycle on two separate occasions, which were over the DWPF SME limit of 0.223 lbs/hr.

Pareizs, J; David Koopman, D; Dan Lambert, D; Cj Bannochie, C

2007-08-23T23:59:59.000Z

254

DWPF FLOWSHEET STUDIES WITH SIMULANT TO DETERMINE THE IMPACT OF NEXT GENERATION SOLVENT ON THE CPC PROCESS AND GLASS FORMULATION  

SciTech Connect

As a part of the Actinide Removal Process (ARP)/Modular Caustic Side Solvent Extraction Unit (MCU) Life Extension Project, a next generation solvent (NGS), a new strip acid, and modified monosodium titanate (mMST) will be deployed. The NGS is comprised of four components: 0.050 M MaxCalix (extractant), 0.50 M Cs-7SB (modifier), 0.003 M guanidine-LIX-79, with the balance ({approx}74 wt%) being Isopar{reg_sign} L. The strip acid will be changed from dilute nitric acid to dilute boric acid (0.01 M). Because of these changes, experimental testing with the next generation solvent and mMST was required to determine the impact of these changes in 512-S and Defense Waste Processing Facility (DWPF) operations, as well as Chemical Process Cell (CPC), glass formulation activities, and melter operations. Because of these changes, experimental testing with the next generation solvent and mMST is required to determine the impact of these changes. A Technical Task Request (TTR) was issued to support the assessments of the impact of the next generation solvent and mMST on the downstream DWPF flowsheet unit. The TTR identified five tasks to be investigated: (1) CPC Flowsheet Demonstration for NGS; (2) Solvent Stability for DWPF CPC Conditions; (3) Glass Formulation Studies; (4) Boron Volatility and Melt Rate; and (5) CPC Flowsheet Demonstration for mMST.

Newell, J.; Peeler, D.; Edwards, T.; Hay, M.; Stone, M.

2011-06-29T23:59:59.000Z

255

Environmental Issues arising from the Thermopower Generation  

E-Print Network (OSTI)

The present study is the outcome of a research assess of the thermopower generation and the environmental impacts in Brazil The idea was to establish a comparative analysis between the expansion of the power operation and the emissions of pollutants, for carrying out new prospective studies on this topic, as well as new regulatory proposal for the electricity system and the potential environmental risk related. Under the Decceniall Expansion Plan of Brazilian Government, the country’s total installed capacity will grow from 57.6 GW in 1997 to 90.2 GW in 2006, with the hydroelectric share declining from 92 to 83 percent, and the thermoelectric share growing from 8 to 17 percent over the same period. The option of thermopower plants could be a good opportunity to open the Brazilian Electric Sector to private investors, considering that low public financial capacity of the public sector to expand the electric system. But it is important to be note that the new power plants could generate large environmental impacts to the atmosphere if not controlled. This paper deals specifically with the analysis of atmospheric pollution from coal and natural gas power plants and the policy related in the the two fields above mentioned.

Marco Aurélio Dos Santos; Manoel Gonçalves Rodrigues

1998-01-01T23:59:59.000Z

256

Underwater Gas Expansion and Deflagration  

E-Print Network (OSTI)

The underwater combustion of a propane-air mixture in an acrylic cylinder is captured on video from multiple angles. This experiment is designed to provide visual data and pressure time-histories for future CFD validation studies.

Jones, Van; Gilbert, John; McCue-Weil, Leigh

2013-01-01T23:59:59.000Z

257

Forward Expansion Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Forward Expansion Wind Farm Forward Expansion Wind Farm Facility Forward Expansion Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner Invenergy Developer Invenergy Energy Purchaser Alliant- Wisconsin Public Service-Madison Gas & Electric- Wisconsin Public Power Location Dodge and Fond du Lac Counties WI Coordinates 43.631519°, -88.556421° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":43.631519,"lon":-88.556421,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

258

DOE/EA-0845 Environmental Assessment Expansion  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

45 45 Environmental Assessment Expansion of the Idaho National Engineering Laboratory Research Center March 1994 U.S. Department of Energy MASTER DOE Idaho Operations Office Idaho Falls, Idaho _.OJ Oi_lll_lHl:lUTION OF TFII$O_r, UM_._T _ U_LJ_!_3'_ [6450-01] U.S. DEPARTMENT OF ENERGY FINDINGOF NO SIGNIFICANT IMPACT . FOR EXPANSION OF THE IDAHONATIONALENGINEERING LABORATORY RESEARCH CENTER AGENCY: Department of Energy ACTION: Findingof No Significant Impact(FONSI) SUMMARY: The Department of Energy(DOE)has prepared an environmental assessment (EA),DOE/EA-0845, for expansion and upgrade of facilities at the IdahoNationalEngineering Laboratory (INEL)Research Center(IRC)in Idaho Falls,Idaho. Construction and operation of proposed facilities wouldnot causesignificant environmental impacts. Basedon the analysesin the EA, DOE has determined that the proposedactionis

259

Transmission Expansion in Argentina 5: The Regional Electricity Forum of Buenos Aires Province  

E-Print Network (OSTI)

that adhered to the federal scheme 3 used for expansions and developments at 132 kV or lower, including low voltage grids, isolated generation in small towns, rural electrification and small hydroelectric power plants. Some 3893 km of 132 kV transmission...

Littlechild, Stephen C; Ponzano, Eduardo A

260

Dynamical Downscaling with Reinitializations: A Method to Generate Finescale Climate Datasets Suitable for Impact Studies  

Science Conference Proceedings (OSTI)

To retain the sequence of events of a regional climate model (RCM) simulation driven by a reanalysis, a method that has not been widely adopted uses an RCM with frequent reinitializations toward its driving field. In this regard, this study ...

Philippe Lucas-Picher; Fredrik Boberg; Jens H. Christensen; Peter Berg

2013-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


261

Study of an HHG-Seeded Free-Electron Laser for the LBNL Next Generation Light Source  

E-Print Network (OSTI)

for the LBNL Next Generation Light Source Neil Thompson,for the LBNL Next Generation Light Source Neil Thompson,Introduction The Next Generation Light Source (NGLS) is a

Thompson, Neil

2011-01-01T23:59:59.000Z

262

Understanding Hadley Cell Expansion versus Contraction: Insights from Simplified Models and Implications for Recent Observations  

Science Conference Proceedings (OSTI)

This study seeks a deeper understanding of the causes of Hadley Cell (HC) expansion, as projected under global warming, and HC contraction, as observed under El Niño. Using an idealized general circulation model, the authors show that a thermal ...

Neil F. Tandon; Edwin P. Gerber; Adam H. Sobel; Lorenzo M. Polvani

2013-06-01T23:59:59.000Z

263

Effect of MgO Additive on Volumetric Expansion of Self-Degradable Cements  

DOE Green Energy (OSTI)

We identified hard-burned magnesium oxide (MgO) as a suitable expansive additive for improving the plugging performance of self-degradable, temporary sodium silicate-activated slag/Class C fly ash (SSASC) blend cement sealers into rock fractures in Enhanced Geothermal Systems (EGSs). MgO extended the volumetric expansion of sealers during their exposure to a hydrothermal environment at 200 C under pressures, ranging from 300 to 1500 psi. A great expansion ratc of 19.3% was observed by adding 3.0 wt% MgO under 300 psi pressure, thus promising to plug thoroughly inner fracture. When the pressure was increased from 300 psi to 1500 psi, the expansion rate of cement markedly reduced, corresponding to the formaLion of crack-free specimens and the improvement of compressive strength. However, with 3.0 wt% MgO, the specimens still engendered the generation of numerous visual cracks, although they were prepared under a high pressure of 1500 psi. The effective content of MgO in minimizing and eliminating the generation of cracks was 2.0 wt%, which provided a moderate expansion of {ge} 0.5%. The compressive strength of 2.0 wt% MgO specimens made under a pressure of 300 psi rose {approx} 1.7-fold to 4816 psi with an increasing pressure to 1500 psi. The in-situ growth of brucite crystal formed by the hydrothermal hydration of MgO was responsive for such an expansion of the SSASC cement; meanwhile. two crystalline hydrothermal reaction products, 1.1 nm tobermorite and calcium silicate hydrated, contributed to the development of the sealer's compressive strength. Thus, the increasing pressure seems to suppress and control a growth rate of brucite crystal in response to a lower extension of expansion. Furthermore, all MgO-conlaining SSASC sealers possessed the water-catalyzed self-degradable properties.

Sugama T.; Warren, J.; Butcher, T.

2011-09-30T23:59:59.000Z

264

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

flat block of power, generation from natural gas fired CCGTsnatural gas plants. Even at high penetration adding power from a flat block does not displace any generation

Mills, Andrew

2013-01-01T23:59:59.000Z

265

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

natural gas firing in the steam generator of a CSP plant norCycle Steam Nuclear Hydro None Table 14: Incumbent generator

Mills, Andrew

2013-01-01T23:59:59.000Z

266

BEAM DYNAMICS STUDIES OF A HIGH-REPETITION RATE \\\\ LINAC-DRIVER FOR A 4TH GENERATION LIGHT SOURCE  

E-Print Network (OSTI)

DRIVER FOR A 4TH GENERATION LIGHT SOURCE ? M. Venturini † ,of designing a 4th generation light source in the 0.27 ? 1.2

Ventturini, M.

2013-01-01T23:59:59.000Z

267

Studies on the Extraction of Phenol from the Wastewater of Multi-generation System  

Science Conference Proceedings (OSTI)

Recovery of phenol from the wastewater produced in the multi-cogeneration system has been studied. Based on the experimental results and theoretical analysis, butyl acetate was selected as the extractant and 99.95% of the volatile phenols in the wastewater ... Keywords: phenol, solvent extraction, wastewater, multigeneration system, recycle

Zhenjing Shi; Mengxiang Fang; Chunguang Zhou; Qinghui Wang; Zhongyang Luo

2011-02-01T23:59:59.000Z

268

A Study of a Mountain-generated Precipitation System in Northern Taiwan during TAMEX IOP 8  

Science Conference Proceedings (OSTI)

The field program TAMEX (Taiwan Area Mesoscale Experiment) was held during May and June 1987. One of its objectives was to study the cited of terrain on precipitation systems. On 7 June 1987 a band of radar echo, orientated from north to south, ...

Ching-Sen Chen; Wen-Sheen Chen; Zensing Deng

1991-11-01T23:59:59.000Z

269

Expansion Capital Partners LLC | Open Energy Information  

Open Energy Info (EERE)

Expansion Capital Partners LLC Expansion Capital Partners LLC Jump to: navigation, search Name Expansion Capital Partners LLC Address One Embarcadero Center, Suite 4100 Place San Francisco, California Zip 94111 Region Bay Area Product Venture capital firm that invests in expansion-stage, clean technology enterprises Year founded 2001 Phone number (415) 788-8802 Website http://www.expansioncapital.co Coordinates 37.794497°, -122.39962° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":37.794497,"lon":-122.39962,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

270

Stateline Expansion Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Stateline Expansion Wind Farm Stateline Expansion Wind Farm Jump to: navigation, search Name Stateline Expansion Wind Farm Facility Stateline Expansion Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner NextEra Energy Resources Developer NextEra Energy Resources Energy Purchaser PPM Energy Inc Location Walla Walla County OR Coordinates 46.012769°, -118.751528° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":46.012769,"lon":-118.751528,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

271

Natural Gas Pipeline and System Expansions  

Reports and Publications (EIA)

This special report examines recent expansions tothe North American natural gas pipeline networkand the nature and type of proposed pipeline projects announced or approved for construction during the next several years in the United States. It includes those projects in Canada and Mexico that tie in with U.S. markets or projects.

Information Center

1997-04-01T23:59:59.000Z

272

Statistical source expansion for question answering  

Science Conference Proceedings (OSTI)

A source expansion algorithm automatically extends a given text corpus with related content from large external sources such as the Web. The expanded corpus is not intended for human consumption but can be used in question answering (QA) and other information ... Keywords: TREC, information retrieval, jeopardy, question answering, watson

Nico Schlaefer; Jennifer Chu-Carroll; Eric Nyberg; James Fan; Wlodek Zadrozny; David Ferrucci

2011-10-01T23:59:59.000Z

273

Loop expansion in Yang-Mills thermodynamics  

E-Print Network (OSTI)

We argue that a selfconsistent spatial coarse-graining, which involves interacting (anti)calorons of unit topological charge modulus, implies that real-time loop expansions of thermodynamical quantities in the deconfining phase of SU(2) and SU(3) Yang-Mills thermodynamics are, modulo 1PI resummations, determined by a finite number of connected bubble diagrams.

Ralf Hofmann

2006-09-05T23:59:59.000Z

274

ARGONNE NATIONAL LABORATORY BUILDING 400A EXPANSION  

E-Print Network (OSTI)

ARGONNE NATIONAL LABORATORY LEMONT, IL BUILDING 400A EXPANSION 3 WEEK LOOK AHEAD SCHEDULE PROJECT Touch Up Paint X X X X X B&A Install Insulation At North Parapet Walls X X Scrub / Clean Floors X X Seal OPEN Final Clean Building X TRIUMPH Caulk Interior Floors / Concrete / Frames X X G&L Water Test

Kemner, Ken

275

Entity set expansion in opinion documents  

Science Conference Proceedings (OSTI)

Opinion mining has been an active research area in recent years. The task is to extract opinions expressed on entities and their attributes. For example, the sentence, "I love the picture quality of Sony cameras," expresses a positive opinion on the ... Keywords: entity extraction, set expansion, text mining

Lei Zhang; Bing Liu

2011-06-01T23:59:59.000Z

276

Intrepid Expansion Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Intrepid Expansion Wind Farm Intrepid Expansion Wind Farm Jump to: navigation, search Name Intrepid Expansion Wind Farm Facility Intrepid Expansion Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner MidAmerican Energy Developer MidAmerican Energy Energy Purchaser MidAmerican Energy Location Buena Vista & Sac Counties IA Coordinates 42.483311°, -95.308807° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":42.483311,"lon":-95.308807,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

277

Cross-Cutting Studies and State-of-the-Practice Reviews: Archive and use of ITS-Generated Data  

NLE Websites -- All DOE Office Websites (Extended Search)

20 20 Cross-Cutting Studies and State-of-the-Practice Reviews: Archive and Use of ITS-Generated Data April 30, 2002 Prepared for Federal Highway Administration Federal Transit Administration U.S. Department of Transportation Prepared by P. Hu B. Boundy Tykey Truett Edmond Chang Steve Gordon Center for Transportation Analysis Oak Ridge National Laboratory Oak Ridge, Tennessee 37831-6073 Managed by UT-Battelle LLC for the U.S. Department of Energy under Contract No. DE-AC05-00OR22725 -iii- TABLE OF CONTENTS FIGURES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v TABLES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . vii ACRONYMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix ACKNOWLEDGMENTS . . . . . . . . . . . . . . . . . . . . . .

278

Generation of laser-induced plasma in supercritical water and vibrational spectroscopic study of accompanying stimulated Raman scattering  

Science Conference Proceedings (OSTI)

We have formed a laser-induced plasma (LIP) in supercritical water (SCW) and studied associated molecular vibrations using spectroscopic methods. The accompanying forward and backward stimulated Raman scattering (SRS) of water molecules showed anisotropic behavior at supercritical conditions (>647 K and >22.1 MPa). The Raman shift of the backward SRS indicated that attractive interactions between water molecules and excess electrons generated by the LIP were dominant in the SCW. The backward SRS spectrum provided a microscopic view of the hydration environment around an excess electron, which is useful for controlling electron-driven chemical reactions and materials processing in SCW.

Yui, Hiroharu [Department of Chemistry, Faculty of Science, Tokyo University of Science, Kagurazaka 1-3, Shinjyuku-ku, Tokyo 162-8601 (Japan); PRESTO-JST, Sanbancho 5, Chiyoda-ku, Tokyo 102-0075 (Japan); Tomai, Takaaki; Sawada, Masayoshi; Terashima, Kazuo [Department of Advanced Materials Science, Graduate School of Frontier Sciences, University of Tokyo, 5-1-5 Kashiwanoha, Kashiwa-shi, Chiba 277-8561 (Japan)

2011-08-29T23:59:59.000Z

279

Preliminary Systems Design Study assessment report. Volume 5, Land disposal compliance and hydrogen generation restricted concepts  

SciTech Connect

The System Design Study (SDS), part of the Waste Technology Development Department at the Idaho National Engineering Laboratory (INEL), examined techniques available for the remediation of hazardous and transuranic waste stored at the Radioactive Waste Management Complex`s Subsurface Disposal Area at the INEL. Using specific technologies, system concepts for treating the buried waste and the surrounding contaminated soil were evaluated. Evaluation included implementability, effectiveness, and cost. The SDS resulted in the development of technology requirements including demonstration, testing, and evaluation activities needed for implementing each concept.

Mayberry, J.L.; Feizollahi, F.; Del Signore, J.C.

1991-11-01T23:59:59.000Z

280

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

transmission were ignored. on the characteristics, constraints, and operating costs of generators, the availability

Mills, Andrew

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


281

216-B-3 expansion ponds closure plan  

SciTech Connect

This document describes the activities for clean closure under the Resource Conservation and Recovery Act of 1976 (RCRA) of the 216-B-3 Expansion Ponds. The 216-B-3 Expansion Ponds are operated by the US Department of Energy, Richland Operations Office (DOE-RL) and co-operated by Westinghouse Hanford Company (Westinghouse Hanford). The 216-B-3 Expansion Ponds consists of a series of three earthen, unlined, interconnected ponds that receive waste water from various 200 East Area operating facilities. The 3A, 3B, and 3C ponds are referred to as Expansion Ponds because they expanded the capability of the B Pond System. Waste water (primarily cooling water, steam condensate, and sanitary water) from various 200 East Area facilities is discharged to the Bypass pipe (Project X-009). Water discharged to the Bypass pipe flows directly into the 216-B-3C Pond. The ponds were operated in a cascade mode, where the Main Pond overflowed into the 3A Pond and the 3A Pond overflowed into the 3C Pond. The 3B Pond has not received waste water since May 1985; however, when in operation, the 3B Pond received overflow from the 3A Pond. In the past, waste water discharges to the Expansion Ponds had the potential to have contained mixed waste (radioactive waste and dangerous waste). The radioactive portion of mixed waste has been interpreted by the US Department of Energy (DOE) to be regulated under the Atomic Energy Act of 1954; the dangerous waste portion of mixed waste is regulated under RCRA.

1994-10-01T23:59:59.000Z

282

Integrated framework for analysis: electric sector expansion in developing countries  

Science Conference Proceedings (OSTI)

The objective of this dissertation is the development of an analytical framework for the assessment of electric sector expansion strategies in developing countries, in the context of overall development planning, and with particular emphasis on macroeconomic and social implications. The framework will ensure that each electric capacity expansion alternative is linked quantitatively and consistently with a given economic development plan. The analytical model employs an integrated set of technological and economic models to explore the national energy and economy response to electric sector expansion planning for the Korean case. In this study, two integrated models were developed. The integrated model 1 is composed of a macroeconomic model, an energy input-output model, and an energy network flow model. This model accounts for the relationships of energy demand with overall economic development, and interfuel substitution, for the relationships between the investment capital required to meet astated levels of electric demand and overall investment planning and foreign exchange requirements, and economic impacts of the energy sector on gross national product (GNP) and balance of payments (BOP). The integrated model 2 is composed of an energy input-output model, and energy network flow model, and a GNP identify constraint,and calculates the macroeconomic-balanced level of comsumption, electric sector investments, industrial sector investments, and energy imports given policy-determined GNP and other GNP components. The two models were applied ot the Korean case by using a trial scenario and assumed input data. Computational results demonstrate and prove the workability of the models.

Lee, M.K.

1982-01-01T23:59:59.000Z

283

Expansion on reduction of calcium doped lanthanum chromite  

DOE Green Energy (OSTI)

Doped lanthanum chromites have been considered as interconnect materials for the solid oxide fuel cell (SOFC) because of their favorable chemical and electrical properties under both oxidizing and reducing environments. Several investigators have studied the materials properties of the doped lanthanum chromites to optimize their overall performance as an interconnect material. These properties include electrical conductivity, thermal expansion, sinterability, and chemical compatibility with other cell components. These properties are optimized by the amount of dopants substituted into chromite which are usually Ca or Sr. Figure 1 shows the range of values for these properties. Another important characteristic becoming more of a concern as investigators are building SOFC stacks is that doped lanthanum chromite expands when reduced in a low oxygen partial pressure (pO{sub 2}) (<10{sup -12} atm). Plates used to separate oxidizing and fuel gases can deform because of the pO{sub 2} gradient across the interconnect material. This presentation is a summary of work which will be presented at the Fourth International Symposium on Solid Oxide Fuel Cells. In this article, the possible causes of expansion on reduction of the interconnect will be discussed by using a two-dimensional crystal model. The biaxial strain of the stack is calculated under the assumption that the cell components are forced to remain planar. From this, the maximum stress buildup in the interconnect and electrolyte is estimated. In addition, the effects of thermal expansion mismatch and expansion on reduction of the interconnect are compared, and the optimum interconnect composition from a mechanical standpoint is reported.

Carter, J.D.; Hendriksen, P.V.; Mogensen, M. [Riso National Lab., Roskilde (Denmark). Materials Dept.

1995-07-01T23:59:59.000Z

284

Study of radiative blast waves generated on the Z-beamlet laser.  

Science Conference Proceedings (OSTI)

This document describes the original goals of the project to study the Vishniac Overstability on blast waves produced using the Z-Beamlet laser facility as well as the actual results. The proposed work was to build on earlier work on the facility and result in the best characterized set of data for such phenomena in the laboratory. To accomplish the goals it was necessary to modify the existing probe laser at the facility so that it could take multiple images over the course of 1-2 microseconds. Troubles with modifying the probe laser are detailed as well as the work that went into said modifications. The probe laser modification ended up taking the entire length of the project and were the major accomplishment of the research.

Edens, Aaron D.; Schwarz, Jens

2012-02-01T23:59:59.000Z

285

Randomized discrepancy bounded local search for transmission expansion planning  

SciTech Connect

In recent years the transmission network expansion planning problem (TNEP) has become increasingly complex. As the TNEP is a non-linear and non-convex optimization problem, researchers have traditionally focused on approximate models of power flows to solve the TNEP. Existing approaches are often tightly coupled to the approximation choice. Until recently these approximations have produced results that are straight-forward to adapt to the more complex (real) problem. However, the power grid is evolving towards a state where the adaptations are no longer easy (e.g. large amounts of limited control, renewable generation) and necessitates new approaches. Recent work on deterministic Discrepancy Bounded Local Search (DBLS) has shown it to be quite effective in addressing this question. DBLS encapsulates the complexity of power flow modeling in a black box that may be queried for information about the quality of proposed expansions. In this paper, we propose a randomization strategy that builds on DBLS and dramatically increases the computational efficiency of the algorithm.

Bent, Russell W [Los Alamos National Laboratory; Daniel, William B [Los Alamos National Laboratory

2010-11-23T23:59:59.000Z

286

Hanford waste vitrification plant hydrogen generation study: Preliminary evaluation of alternatives to formic acid  

DOE Green Energy (OSTI)

Oxalic, glyoxylic, glycolic, malonic, pyruvic, lactic, levulinic, and citric acids as well as glycine have been evaluated as possible substitutes for formic acid in the preparation of feed for the Hanford waste vitrification plant using a non-radioactive feed stimulant UGA-12M1 containing substantial amounts of aluminum and iron oxides as well as nitrate and nitrite at 90C in the presence of hydrated rhodium trichloride. Unlike formic acid none of these carboxylic acids liberate hydrogen under these conditions and only malonic and citric acids form ammonia. Glyoxylic, glycolic, malonic, pyruvic, lactic, levulinic, and citric acids all appear to have significant reducing properties under the reaction conditions of interest as indicated by the observation of appreciable amounts of N{sub 2}O as a reduction product of,nitrite or, less likely, nitrate at 90C. Glyoxylic, pyruvic, and malonic acids all appear to be unstable towards decarboxylation at 90C in the presence of Al(OH){sub 3}. Among the carboxylic acids investigated in this study the {alpha}-hydroxycarboxylic acids glycolic and lactic acids appear to be the most interesting potential substitutes for formic acid in the feed preparation for the vitrification plant because of their failure to produce hydrogen or ammonia or to undergo decarboxylation under the reaction conditions although they exhibit some reducing properties in feed stimulant experiments.

King, R.B.; Bhattacharyya, N.K.; Kumar, V.

1996-02-01T23:59:59.000Z

287

Low Cost High Performance Generator Technology Program. Volume 4. Mission application study  

DOE Green Energy (OSTI)

Results of initial efforts to investigate application of selenide thermoelectric RTG's to specific missions as well as an indication of development requirements to enable satisfaction of emerging RTG performance criteria are presented. Potential mission applications in DoD such as SURVSATCOM, Advance Defense Support Program, Laser Communication Satellite, Satellite Data System, Global Positioning Satellite, Deep Space Surveillance Satellite, and Unmanned Free Swimming Submersible illustrate power requirements in the range of 500 to 1000 W. In contrast, the NASA applications require lower power ranging from 50 W for outer planetary atmospheric probes to about 200 W for spacecraft flights to Jupiter and other outer planets. The launch dates for most of these prospective missions is circa 1980, a requirement roughly compatible with selenide thermoelectric and heat source technology development. A discussion of safety criteria is included to give emphasis to the requirements for heat source design. In addition, the observation is made that the potential accident environments of all launch vehicles are similar so that a reasonable composite set of design specifications may be derived to satisfy almost all applications. Details of the LCHPG application potential is afforded by three designs: an 80 W RTG using improved selenide thermoelectric material, a 55 to 65 W LCHPG using current and improved selenide materials, and the final 500 W LCHPG as reported in Volume 2. The final results of the LCHPG design study have shown that in general, all missions can expect an LCHPG design which yields 10 percent efficiency at 3 W/lb with the current standard selenide thermoelectric materials, with growth potential to 14 percent at greater than 4 W/lb in the mid 1980's time frame.

Not Available

1975-07-01T23:59:59.000Z

288

Power conversion unit studies for the next generation nuclear plant coupled to a high-temperature steam electrolysis facility  

E-Print Network (OSTI)

The Department of Energy and the Idaho National Laboratory are developing a Next Generation Nuclear Plant (NGNP) to serve as a demonstration of state-of-the-art nuclear technology. The purpose of the demonstration is two fold: 1) efficient low cost energy generation and 2) hydrogen production. Although a next generation plant could be developed as a single-purpose facility, early designs are expected to be dual-purpose. While hydrogen production and advanced energy cycles are still in their early stages of development, research towards coupling a high temperature reactor, electrical generation and hydrogen production is under way. Many aspects of the NGNP must be researched and developed to make recommendations on the final design of the plant. Parameters such as working conditions, cycle components, working fluids, and power conversion unit configurations must be understood. Three configurations of the power conversion unit were modeled using the process code HYSYS; a three-shaft design with 3 turbines and 4 compressors, a combined cycle with a Brayton top cycle and a Rankine bottoming cycle, and a reheated cycle with 3 stages of reheat were investigated. A high temperature steam electrolysis hydrogen production plant was coupled to the reactor and power conversion unit by means of an intermediate heat transport loop. Helium, CO2, and an 80% nitrogen, 20% helium mixture (by weight) were studied to determine the best working fluid in terms cycle efficiency and development cost. In each of these configurations the relative heat exchanger size and turbomachinery work were estimated for the different working fluids. Parametric studies away from the baseline values of the three-shaft and combined cycles were performed to determine the effect of varying conditions in the cycle. Recommendations on the optimal working fluid for each configuration were made. The helium working fluid produced the highest overall plant efficiency for the three-shaft and reheat cycle; however, the nitrogen-helium mixture produced similar efficiency with smaller component sizes. The CO2 working fluid is recommend in the combined cycle configuration.

Barner, Robert Buckner

2006-12-01T23:59:59.000Z

289

Charge generation and trapping in bisphenol-A-polycarbonate/N-isopropylcarbazole mixture: A study by electron bombardment-induced conductivity  

Science Conference Proceedings (OSTI)

Electron bombardment-induced conductivity measurements were carried out on cast films of N-isopropylcarbazole (NIPC) dispersed into an amorphous matrix of bisphenol-A-polycarbonate. The charge generation was studied by estimating the hole yield (g), the fraction of charge escaping recombination, as a function of electric field and concentration of NIPC at room temperature. The hole yield, besides increasing by increasing the content of NIPC, was observed to increase with the electric field in the manner predicted by the Onsager theory of geminate recombination. Deep trapping levels were studied by filling under electron bombardment and observing transients. The deep traps were neutral in nature with a concentration on the order of 8.0x10{sup 14} cm{sup -3}, which was low enough not to degrade transport under normal conditions.

Santos, S.; Caraballo, D. [Departamento de Fisica, Universidad de Oriente Cumana (Venezuela)

2007-12-15T23:59:59.000Z

290

Slurry growth, gas retention, and flammable gas generation by Hanford radioactive waste tanks: Synthetic waste studies, FY 1991  

DOE Green Energy (OSTI)

Of 177 high-level waste storage tanks on the Hanford Site, 23 have been placed on a safety watch list because they are suspected of producing flammable gases in flammable or explosive concentrate. One tankin particular, Tank 241-SY-101 (Tank 101-SY), has exhibited slow increases in waste volume followed by a rapid decrease accompanied by venting of large quantities of gases. The purpose of this study is to help determine the processes by which flammable gases are produced, retained, and eventually released from Tank 101-SY. Waste composition data for single- and double-shell waste tanks on the flammable gas watch listare critically reviewed. The results of laboratory studies using synthetic double-shell wastes are summarized, including physical and chemical properties of crusts that are formed, the stoichiometry and rate ofgas generation, and mechanisms responsible for formation of a floating crust.

Bryan, S.A.; Pederson, L.R.; Ryan, J.L.; Scheele, R.D.; Tingey, J.M.

1992-08-01T23:59:59.000Z

291

Dynamic Time Expansion and Compression Using Nonlinear Waveguides  

DOE Patents (OSTI)

Dynamic time expansion or compression of a small amplitude input signal generated with an initial scale is performed using a nonlinear waveguide. A nonlinear waveguide having a variable refractive index is connected to a bias voltage source having a bias signal amplitude that is large relative to the input signal to vary the reflective index and concomitant speed of propagation of the nonlinear waveguide and an electrical circuit for applying the small amplitude signal and the large amplitude bias signal simultaneously to the nonlinear waveguide. The large amplitude bias signal with the input signal alters the speed of propagation of the small-amplitude signal with time in the nonlinear waveguide to expand or contract the initial time scale of the small-amplitude input signal.

Findikoglu, Alp T.; Hahn, Sangkoo F.; Jia, Quanxi

2004-06-22T23:59:59.000Z

292

Dynamic time expansion and compression using nonlinear waveguides  

DOE Patents (OSTI)

Dynamic time expansion or compression of a small-amplitude input signal generated with an initial scale is performed using a nonlinear waveguide. A nonlinear waveguide having a variable refractive index is connected to a bias voltage source having a bias signal amplitude that is large relative to the input signal to vary the reflective index and concomitant speed of propagation of the nonlinear waveguide and an electrical circuit for applying the small-amplitude signal and the large amplitude bias signal simultaneously to the nonlinear waveguide. The large amplitude bias signal with the input signal alters the speed of propagation of the small-amplitude signal with time in the nonlinear waveguide to expand or contract the initial time scale of the small-amplitude input signal.

Findikoglu, Alp T. (Los Alamos, NM); Hahn, Sangkoo F. (Los Alamos, NM); Jia, Quanxi (Los Alamos, NM)

2004-06-22T23:59:59.000Z

293

Electric utility capacity expansion and energy production models for energy policy analysis  

DOE Green Energy (OSTI)

This report describes electric utility capacity expansion and energy production models developed for energy policy analysis. The models use the same principles (life cycle cost minimization, least operating cost dispatching, and incorporation of outages and reserve margin) as comprehensive utility capacity planning tools, but are faster and simpler. The models were not designed for detailed utility capacity planning, but they can be used to accurately project trends on a regional level. Because they use the same principles as comprehensive utility capacity expansion planning tools, the models are more realistic than utility modules used in present policy analysis tools. They can be used to help forecast the effects energy policy options will have on future utility power generation capacity expansion trends and to help formulate a sound national energy strategy. The models make renewable energy source competition realistic by giving proper value to intermittent renewable and energy storage technologies, and by competing renewables against each other as well as against conventional technologies.

Aronson, E.; Edenburn, M.

1997-08-01T23:59:59.000Z

294

New Constraints on the Early Expansion History  

E-Print Network (OSTI)

Cosmic microwave background measurements have pushed to higher resolution, lower noise, and more sky coverage. These data enable a unique test of the early universe's expansion rate and constituents such as effective number of relativistic degrees of freedom and dark energy. Using the most recent data from Planck and WMAP9, we constrain the expansion history in a model independent manner from today back to redshift z=10^5. The Hubble parameter is mapped to a few percent precision, limiting early dark energy and extra relativistic degrees of freedom within a model independent approach to 2-16% and 0.71 equivalent neutrino species respectively (95% CL). Within dark radiation, barotropic aether, and Doran-Robbers models, the early dark energy constraints are 3.3%, 1.9%, 1.2% respectively.

Hojjati, Alireza; Samsing, Johan

2013-01-01T23:59:59.000Z

295

Hydrodynamic gradient expansion in gauge theory plasmas  

E-Print Network (OSTI)

We utilize the fluid-gravity duality to investigate the large order behavior of hydrodynamic gradient expansion of the dynamics of a gauge theory plasma system. This corresponds to the inclusion of dissipative terms and transport coefficients of very high order. Using the dual gravity description, we calculate numerically the form of the stress tensor for a boost-invariant flow in a hydrodynamic expansion up to terms with 240 derivatives. We observe a factorial growth of gradient contributions at large orders, which indicates a zero radius of convergence of the hydrodynamic series. Furthermore, we identify the leading singularity in the Borel transform of the hydrodynamic energy density with the lowest nonhydrodynamic excitation corresponding to a `nonhydrodynamic' quasinormal mode on the gravity side.

Michal P. Heller; Romuald A. Janik; Przemyslaw Witaszczyk

2013-02-04T23:59:59.000Z

296

Low thermal expansion seal ring support  

DOE Patents (OSTI)

Today, the trend is to increase the temperature of operation of gas turbine engines. To cool the components with compressor discharge air, robs air which could otherwise be used for combustion and creates a less efficient gas turbine engine. The present low thermal expansion sealing ring support system reduces the quantity of cooling air required while maintaining life and longevity of the components. Additionally, the low thermal expansion sealing ring reduces the clearance "C","C'" demanded between the interface between the sealing surface and the tip of the plurality of turbine blades. The sealing ring is supported by a plurality of support members in a manner in which the sealing ring and the plurality of support members independently expand and contract relative to each other and to other gas turbine engine components.

Dewis, David W. (San Diego, CA); Glezer, Boris (Del Mar, CA)

2000-01-01T23:59:59.000Z

297

Frostless heat pump having thermal expansion valves  

DOE Patents (OSTI)

A heat pump system having an operable relationship for transferring heat between an exterior atmosphere and an interior atmosphere via a fluid refrigerant and further having a compressor, an interior heat exchanger, an exterior heat exchanger, a heat pump reversing valve, an accumulator, a thermal expansion valve having a remote sensing bulb disposed in heat transferable contact with the refrigerant piping section between said accumulator and said reversing valve, an outdoor temperature sensor, and a first means for heating said remote sensing bulb in response to said outdoor temperature sensor thereby opening said thermal expansion valve to raise suction pressure in order to mitigate defrosting of said exterior heat exchanger wherein said heat pump continues to operate in a heating mode.

Chen, Fang C [Knoxville, TN; Mei, Viung C [Oak Ridge, TN

2002-10-22T23:59:59.000Z

298

Characterizing the Impacts of Significant Wind Generation Facilities on Bulk Power System Operations Planning: Utility Wind Interest Group - Xcel Energy-North Case Study  

Science Conference Proceedings (OSTI)

This report describes a case study evaluation of the impact of wind generation on electricity grid operations in the Xcel Energy-North service area around Minneapolis, Minnesota. The project's methodology and results will be useful when evaluating the operating impacts of wind generation at other locations.

2003-12-17T23:59:59.000Z

299

Expansion-free Cylindrically Symmetric Models  

E-Print Network (OSTI)

This paper investigates cylindrically symmetric distribution of an-isotropic fluid under the expansion-free condition, which requires the existence of vacuum cavity within the fluid distribution. We have discussed two family of solutions which further provide two exact models in each family. Some of these solutions satisfy Darmois junction condition while some show the presence of thin shell on both boundary surfaces. We also formulate a relation between the Weyl tensor and energy density.

M. Sharif; Z. Yousaf

2013-10-30T23:59:59.000Z

300

[Feedback control mechanisms of plant cell expansion]. Progress report, [June 1989--June 1992  

DOE Green Energy (OSTI)

We have generated considerable evidence for the significance of wall stress relaxation in the control of plant growth and found that several agents (gibberellin, light, genetic loci for dwarf stature) influence growth rate via alteration of wall relaxation. We have refined our methods for measuring wall relaxation and, moreover, have found that wall relaxation properties bear only a distance relationship to wall mechanical properties. We have garnered novel insights into the nature of cell expansion mechanisms by analyzing spontaneous fluctuations of plant growth rate in seedlings. These experiments involved the application of mathematical techniques for analyzing growth rate fluctuations and the development of new instrumentation for measuring and forcing plant growth in a controlled fashion. These studies conclude that growth rate fluctuations generated by the plant as consequence of a feedback control system. This conclusion has important implications for the nature of wall loosening processes and demands a different framework for thinking about growth control. It also implies the existence of a growth rate sensor.

Cosgrove, D.J.

1992-12-31T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


301

Next Generation Geothermal Power Plants  

SciTech Connect

A number of current and prospective power plant concepts were investigated to evaluate their potential to serve as the basis of the next generation geothermal power plant (NGGPP). The NGGPP has been envisaged as a power plant that would be more cost competitive (than current geothermal power plants) with fossil fuel power plants, would efficiently use resources and mitigate the risk of reservoir under-performance, and minimize or eliminate emission of pollutants and consumption of surface and ground water. Power plant concepts were analyzed using resource characteristics at ten different geothermal sites located in the western United States. Concepts were developed into viable power plant processes, capital costs were estimated and levelized busbar costs determined. Thus, the study results should be considered as useful indicators of the commercial viability of the various power plants concepts that were investigated. Broadly, the different power plant concepts that were analyzed in this study fall into the following categories: commercial binary and flash plants, advanced binary plants, advanced flash plants, flash/binary hybrid plants, and fossil/geothed hybrid plants. Commercial binary plants were evaluated using commercial isobutane as a working fluid; both air-cooling and water-cooling were considered. Advanced binary concepts included cycles using synchronous turbine-generators, cycles with metastable expansion, and cycles utilizing mixtures as working fluids. Dual flash steam plants were used as the model for the commercial flash cycle. The following advanced flash concepts were examined: dual flash with rotary separator turbine, dual flash with steam reheater, dual flash with hot water turbine, and subatmospheric flash. Both dual flash and binary cycles were combined with other cycles to develop a number of hybrid cycles: dual flash binary bottoming cycle, dual flash backpressure turbine binary cycle, dual flash gas turbine cycle, and binary gas turbine cycle. Results of this study indicate that dual flash type plants are preferred at resources with temperatures above 400 F. Closed loop (binary type) plants are preferred at resources with temperatures below 400 F. A rotary separator turbine upstream of a dual flash plant can be beneficial at Salton Sea, the hottest resource, or at high temperature resources where there is a significant variance in wellhead pressures from well to well. Full scale demonstration is required to verify cost and performance. Hot water turbines that recover energy from the spent brine in a dual flash cycle improve that cycle's brine efficiency. Prototype field tests of this technology have established its technical feasibility. If natural gas prices remain low, a combustion turbine/binary hybrid is an economic option for the lowest temperature sites. The use of mixed fluids appear to be an attractive low risk option. The synchronous turbine option as prepared by Barber-Nichols is attractive but requires a pilot test to prove cost and performance. Dual flash binary bottoming cycles appear promising provided that scaling of the brine/working fluid exchangers is controllable. Metastable expansion, reheater, Subatmospheric flash, dual flash backpressure turbine, and hot dry rock concepts do not seem to offer any cost advantage over the baseline technologies. If implemented, the next generation geothermal power plant concept may improve brine utilization but is unlikely to reduce the cost of power generation by much more than 10%. Colder resources will benefit more from the development of a next generation geothermal power plant than will hotter resources. All values presented in this study for plant cost and for busbar cost of power are relative numbers intended to allow an objective and meaningful comparison of technologies. The goal of this study is to assess various technologies on an common basis and, secondarily, to give an approximate idea of the current costs of the technologies at actual resource sites. Absolute costs at a given site will be determined by the specifics of a giv

Brugman, John; Hattar, Mai; Nichols, Kenneth; Esaki, Yuri

1995-09-01T23:59:59.000Z

302

Next Generation Geothermal Power Plants  

DOE Green Energy (OSTI)

A number of current and prospective power plant concepts were investigated to evaluate their potential to serve as the basis of the next generation geothermal power plant (NGGPP). The NGGPP has been envisaged as a power plant that would be more cost competitive (than current geothermal power plants) with fossil fuel power plants, would efficiently use resources and mitigate the risk of reservoir under-performance, and minimize or eliminate emission of pollutants and consumption of surface and ground water. Power plant concepts were analyzed using resource characteristics at ten different geothermal sites located in the western United States. Concepts were developed into viable power plant processes, capital costs were estimated and levelized busbar costs determined. Thus, the study results should be considered as useful indicators of the commercial viability of the various power plants concepts that were investigated. Broadly, the different power plant concepts that were analyzed in this study fall into the following categories: commercial binary and flash plants, advanced binary plants, advanced flash plants, flash/binary hybrid plants, and fossil/geothed hybrid plants. Commercial binary plants were evaluated using commercial isobutane as a working fluid; both air-cooling and water-cooling were considered. Advanced binary concepts included cycles using synchronous turbine-generators, cycles with metastable expansion, and cycles utilizing mixtures as working fluids. Dual flash steam plants were used as the model for the commercial flash cycle. The following advanced flash concepts were examined: dual flash with rotary separator turbine, dual flash with steam reheater, dual flash with hot water turbine, and subatmospheric flash. Both dual flash and binary cycles were combined with other cycles to develop a number of hybrid cycles: dual flash binary bottoming cycle, dual flash backpressure turbine binary cycle, dual flash gas turbine cycle, and binary gas turbine cycle. Results of this study indicate that dual flash type plants are preferred at resources with temperatures above 400 F. Closed loop (binary type) plants are preferred at resources with temperatures below 400 F. A rotary separator turbine upstream of a dual flash plant can be beneficial at Salton Sea, the hottest resource, or at high temperature resources where there is a significant variance in wellhead pressures from well to well. Full scale demonstration is required to verify cost and performance. Hot water turbines that recover energy from the spent brine in a dual flash cycle improve that cycle's brine efficiency. Prototype field tests of this technology have established its technical feasibility. If natural gas prices remain low, a combustion turbine/binary hybrid is an economic option for the lowest temperature sites. The use of mixed fluids appear to be an attractive low risk option. The synchronous turbine option as prepared by Barber-Nichols is attractive but requires a pilot test to prove cost and performance. Dual flash binary bottoming cycles appear promising provided that scaling of the brine/working fluid exchangers is controllable. Metastable expansion, reheater, Subatmospheric flash, dual flash backpressure turbine, and hot dry rock concepts do not seem to offer any cost advantage over the baseline technologies. If implemented, the next generation geothermal power plant concept may improve brine utilization but is unlikely to reduce the cost of power generation by much more than 10%. Colder resources will benefit more from the development of a next generation geothermal power plant than will hotter resources. All values presented in this study for plant cost and for busbar cost of power are relative numbers intended to allow an objective and meaningful comparison of technologies. The goal of this study is to assess various technologies on an common basis and, secondarily, to give an approximate idea of the current costs of the technologies at actual resource sites. Absolute costs at a given site will be determined by the specifics of a given pr

Brugman, John; Hattar, Mai; Nichols, Kenneth; Esaki, Yuri

1995-09-01T23:59:59.000Z

303

Year-in-Review: 2012 Energy Infrastructure Events and Expansions...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Year-in-Review: 2012 Energy Infrastructure Events and Expansions (July 2013) Year-in-Review: 2012 Energy Infrastructure Events and Expansions (July 2013) The Year-in-Review (YIR):...

304

The Effectiveness of Query Expansion for Distributed Information Retrieval  

E-Print Network (OSTI)

The Effectiveness of Query Expansion for Distributed Information Retrieval Paul Ogilvie, Jamie information retrieval where complete collection information is available. One might expect that query expansion would then work for distributed information retrieval when complete collection information

Callan, Jamie

305

Expansion/De-expansion Tool to Quantify the Accuracy of Prostate Contours  

Science Conference Proceedings (OSTI)

Purpose: Accurate delineation of the prostate gland on computed tomography (CT) remains a persistent challenge and continues to introduce geometric uncertainty into the planning and delivery of external beam radiotherapy. We, therefore, developed an expansion/de-expansion tool to quantify the contour errors and determine the location of the deviations. Methods and Materials: A planning CT scan and magnetic resonance imaging scan were prospectively acquired for 10 patients with prostate cancer. The prostate glands were contoured by 3 independent observers using the CT data sets with instructions to contour the prostate without underestimation but to minimize overestimation. The standard prostate for each patient was defined using magnetic resonance imaging and CT on multiple planes. After registration of the CT and magnetic resonance imaging data sets, the CT-defined prostates were scored for accuracy. The contours were defined as ideal if they were within a 2.5-mm expansion of the standard without underestimation, acceptable if they were within a 5.0-mm expansion and a 2.5-mm de-expansion, and unacceptable if they extended >5.0 mm or underestimated the prostate by >2.5 mm. Results: A total of 636 CT slices were individually analyzed, with the vast majority scored as ideal or acceptable. However, none of the 30 prostate contour sets had all the contours scored as ideal or acceptable. For all 3 observers, the unacceptable contours were more likely from underestimation than overestimation of the prostate. The errors were more common at the base and apex than the mid-gland. Conclusions: The expansion/de-expansion tool allows for directed feedback on the location of contour deviations, as well as the determination of over- or underestimation of the prostate. This metric might help improve the accuracy of prostate contours.

Chung, Eugene; Stenmark, Matthew H. [Department of Radiation Oncology, University of Michigan, Ann Arbor, MI (United States); Evans, Cheryl [Department of Radiation Oncology, Providence Cancer Center, Novi, MI (United States); Narayana, Vrinda [Department of Radiation Oncology, University of Michigan, Ann Arbor, MI (United States); Department of Radiation Oncology, Providence Cancer Center, Novi, MI (United States); McLaughlin, Patrick W., E-mail: mclaughb@med.umich.edu [Department of Radiation Oncology, University of Michigan, Ann Arbor, MI (United States); Department of Radiation Oncology, Providence Cancer Center, Novi, MI (United States)

2012-05-01T23:59:59.000Z

306

Feasibility Study of Economics and Performance of Geothermal Power Generation at the Lakeview Uranium Mill Site in Lakeview, Oregon  

NLE Websites -- All DOE Office Websites (Extended Search)

Geothermal Geothermal Power Generation at the Lakeview Uranium Mill Site in Lakeview, Oregon A Study Prepared in Partnership with the Environmental Protection Agency for the RE-Powering America's Land Initiative: Siting Renewable Energy on Potentially Contaminated Land and Mine Sites Michael Hillesheim and Gail Mosey Produced under direction of the U.S. Environmental Protection Agency (EPA) by the National Renewable Energy Laboratory (NREL) under Interagency Agreement IAG-09-1751 and Task No. WFD4.1001. Technical Report NREL/TP-6A10-60251 November 2013 NREL is a national laboratory of the U.S. Department of Energy Office of Energy Efficiency & Renewable Energy Operated by the Alliance for Sustainable Energy, LLC. This report is available at no cost from the National Renewable Energy

307

Small power systems study technical summary report. Volume II. Inventory of small generating units in U. S. utility systems  

SciTech Connect

Data identifying small (less than or equal to 10 MW) power units in the United States are tabulated. The data are listed alphabetically by state and are reported sequentially for investor owned utilities, municipal utilities, and electrical cooperatives and other utility systems. For a given utility system, the generating units are divided into steam turbines, diesel generators and gas turbines. The number and size of generating units are listed. A summary tabulation of the number of generating units of each type and total generating capacity by state is presented.

Sitney, L.R.

1978-05-31T23:59:59.000Z

308

A test of Taylor- and modified Taylor-expansion  

E-Print Network (OSTI)

We compare Taylor expansion and a modified variant of Taylor expansion, which incorporates features of the fugacity series, for expansions in the chemical potential around a zero-density lattice field theory. As a first test we apply both series to the cases of free fermions and free bosons. Convergence and other properties are analyzed.

Max Wilfling; Christof Gattringer

2013-11-28T23:59:59.000Z

309

Improving effectiveness of query expansion using information theoretic approach  

Science Conference Proceedings (OSTI)

Automatic Query expansion is a well-known method to improve the performance of information retrieval systems. In this paper we have suggested information theoretic measures to improve efficiency of co-occurrence based automatic query expansion. We have ... Keywords: automatic query expansion, candidate terms, kullback-leibler divergence, relevance feedback, term cooccurrence

Hazra Imran; Aditi Sharan

2010-06-01T23:59:59.000Z

310

Design of a Real-Time Scanning Electrical Mobility Spectrometer and its Application in Study of Nanoparticle Aerosol Generation  

E-Print Network (OSTI)

A real-time, mobile Scanning Electrical Mobility Spectrometer (SEMS) was designed using a Condensation Particle Counter (CPC) and Differential Mobility Analyzer (DMA) to measure the size distribution of nanoparticles. The SEMS was calibrated using monodisperse Polystyrene Latex (PSL) particles, and was then applied to study the size distribution of TiO2 nanoparticle aerosols generated by spray drying water suspensions of the nanoparticles. The nanoparticle aerosol size distribution, the effect of surfactant, and the effect of residual solvent droplets were determined. The SEMS system was designed by integrating the Electrical System, the Fluid Flow System, and the SEMS Software. It was calibrated using aerosolized Polystyrene Latex (PSL) spheres with nominal diameters of 99 nm and 204 nm. TiO2 nanoparticle aerosols were generated by atomizing water suspensions of TiO2 nanoparticles using a Collison nebulizer. Size distribution of the TiO2 aerosol was measured by the SEMS, as well as by TEM. Furthermore, the effect of surfactant, Tween 20 at four different concentrations between 0.01mM and 0.80mM, and stability of aerosol concentration with time were studied. It was hypothesized that residual particles in DI water observed during the calibration process were a mixture of impurities in water and unevaporated droplets. Solid impurities were captured on TEM grids using a point-to-plane Electrostatic Precipitator (ESP) and analyzed by Energy Dispersive Spectroscopy (EDS) while the contribution of unevaporated liquid droplets to residual particles was confirmed by size distribution measurements of aerosolized DI water in different humidity conditions. The calibration indicated that the mode diameter was found to be at 92.5nm by TEM and 95.8nm by the SEMS for 99nm nominal diameter particles, a difference of 3.6%. Similarly, the mode diameter for 204nm nominal diameter particles was found to be 194.9nm by TEM and 191nm by SEMS, a difference of 2.0%. Measurements by SEMS for TiO2 aerosol generated by Collison nebulizer indicated the mode diameters of 3mM, 6mM, and 9mM concentrations of TiO2 suspension to be 197.5nm, 200.0nm and 195.2nm respectively. On the other hand, the mode diameter was found to be approximately 95nm from TEM analysis of TiO2 powder. Additionally, concentration of particles generated decreased with time. Dynamic Light Scattering (DLS) measurements indicated agglomeration of particles in the suspension. Furthermore, the emulation of single particle distribution was not possible even after using Tween 20 in concentrations between 0.01mM and 0.80mM. From the study of residual particles in DI water, it was found that residual particles observed during the aerosolization of suspensions of DI water were composed of impurities present in DI water and unevaporated droplets of DI water. Although it was possible to observe solid residual particles on the TEM grid, EDS was not able to determine the chemical composition of these particles.

Singh, Gagan

2010-05-01T23:59:59.000Z

311

Power System Modeling of 20percent Wind-Generated Electricity by 2030  

SciTech Connect

The Wind Energy Deployment System model was used to estimate the costs and benefits associated with producing 20% of the nation's electricity from wind technology by 2030. This generation capacity expansion model selects from electricity generation technologies that include pulverized coal plants, combined cycle natural gas plants, combustion turbine natural gas plants, nuclear plants, and wind technology to meet projected demand in future years. Technology cost and performance projections, as well as transmission operation and expansion costs, are assumed. This study demonstrates that producing 20% of the nation's projected electricity demand in 2030 from wind technology is technically feasible, not cost-prohibitive, and provides benefits in the forms of carbon emission reductions, natural gas price reductions, and water savings.

Bolinger, Mark A; Hand, Maureen; Blair, Nate; Bolinger, Mark; Wiser, Ryan; Hern, Tracy; Miller, Bart; O'Connell, R.

2008-06-09T23:59:59.000Z

312

Power System Modeling of 20percent Wind-Generated Electricity by 2030  

SciTech Connect

The Wind Energy Deployment System model was used to estimate the costs and benefits associated with producing 20% of the nation's electricity from wind technology by 2030. This generation capacity expansion model selects from electricity generation technologies that include pulverized coal plants, combined cycle natural gas plants, combustion turbine natural gas plants, nuclear plants, and wind technology to meet projected demand in future years. Technology cost and performance projections, as well as transmission operation and expansion costs, are assumed. This study demonstrates that producing 20% of the nation's projected electricity demand in 2030 from wind technology is technically feasible, not cost-prohibitive, and provides benefits in the forms of carbon emission reductions, natural gas price reductions, and water savings.

Bolinger, Mark A; Hand, Maureen; Blair, Nate; Bolinger, Mark; Wiser, Ryan; Hern, Tracy; Miller, Bart; O& #39; Connell, R.

2008-06-09T23:59:59.000Z

313

Comparative study of economic viability of rural electrification using renewable energy resources versus diesel generator option in Saudi Arabia  

Science Conference Proceedings (OSTI)

The objective of this paper is to assess the economic viability of Saudi Arabia's renewable energy resources in electricity production in the rural and remote areas as against the use of diesel generators (DG). The methodology employed is to pick an existing isolated DG electric station for a rural community and assess the levelized cost of energy (LCOE) generated for incremental generation by adding either DG

2013-01-01T23:59:59.000Z

314

Specialty sorghums in direct-expansion extrusion  

E-Print Network (OSTI)

Whole-grain, high-fiber, or decorticated extrudates of excellent properties were made from white (nonwaxy, heterowaxy, waxy) sorghums or brown tannin-sorghums. Intact grains or prepared raw materials (cracked, cracked and sifted, decorticated) were extruded in a high-temperature, short-time (HTST) extruder. Waxy extrudates expanded less and were softer than those from nonwaxy or heterowaxy sorghums. Waxy extrudates had bigger air cells and thicker cell walls. Low moisture used in this type of extrusion and its interaction with the different amylose contents were the causes of the differences. Whole-grain extrudates from white sorghum had similar sensory acceptability to those from white decorticated sorghum. They had bland flavor and appearance and texture characteristic of whole-grain products. Extrudates from tannin sorghums were reddish brown due to their high levels of phytochemicals. The more expanded, softer products from whole-grain tannin sorghum were obtained when the grain was cracked and sifted. Decreased expansion was caused by higher levels of fiber and greater particle sizes (as in the extruded intact grain), and by reduced particle sizes (as in the cracked non-sifted grain). Expansion was correlated to smaller air cells with smooth walls. A simple enzymatic method was developed that isolates the 'gritty' particles from whole-grain/high-fiber extrudates, which closely correlated with expansion. Gritty particles were fiber (bran) plus undegraded starchy material. Whole grain/high fiber extrudates from white and tannin sorghums are an excellent option for food processors because of their excellent taste, appearance and texture.

Perez Gonzalez, Alejandro Jose

2005-12-01T23:59:59.000Z

315

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

TES Avg. DA Wholesale Price PV Penetration (% Annual Load) (Generation Sold at Low Prices PV Penetration (% AnnualTES Avg. DA Wholesale Price PV Penetration (% Annual Load) (

Mills, Andrew

2013-01-01T23:59:59.000Z

316

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

errors, and monthly hydro power generation budget arepower, coal power, large hydro power, natural outside ofand maintence Pumped hydro storage Power purchase agreement

Mills, Andrew

2013-01-01T23:59:59.000Z

317

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

DOE). 20% Wind Energy by 2030: Increasing Wind Energy’sbased on California in 2030. Increasing amounts of wind,hourly load profile in 2030. Thermal generation parameters

Mills, Andrew

2013-01-01T23:59:59.000Z

318

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

decisions leads to more baseload capacity being replaced bymanner than strictly baseload (Brown, 1996; Grande et al. ,amount of inflexible baseload generation would increase and

Mills, Andrew

2013-01-01T23:59:59.000Z

319

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

are applied for wind and solar (PV and CSP 0 ); a reasonablethe limits of solar photovoltaics (PV) in traditionalincreasing solar generation: additional PV and CSP 0 are

Mills, Andrew

2013-01-01T23:59:59.000Z

320

Diamond Shamrock nears completion of major expansions  

SciTech Connect

With completion later this year of a second refined products line into Colorado, Diamond Shamrock Inc., San Antonio, will have added more than 600 miles of product and crude-oil pipeline on its system and expanded charge and production capacities at its two state-of-the-art refineries, all within 30 months. The projects aim at improving the company's ability to serve markets in the U.S. Southwest and increasing capacities and flexibility at its two refineries. The paper describes these projects under the following headings: new products service; another new line; and refineries, crude pipelines; Three Rivers expansion and Supplies for McKee.

True, W.R.

1993-05-24T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


321

The derivative expansion of the renormalization group  

E-Print Network (OSTI)

By writing the flow equations for the continuum Legendre effective action (a.k.a. Helmholtz free energy) with respect to a particular form of smooth cutoff, and performing a derivative expansion up to some maximum order, a set of differential equations are obtained which at FPs (Fixed Points) reduce to non-linear eigenvalue equations for the anomalous scaling dimension $\\eta$. Illustrating this by expanding (single component) scalar field theory, in two, three and four dimensions, up to second order in derivatives, we show that the method is a powerful and robust means of discovering and quantifying non-perturbative continuum limits (continuous phase transitions).

Tim R. Morris

1994-11-25T23:59:59.000Z

322

West Foster Creek Expansion Project 2007 HEP Report.  

DOE Green Energy (OSTI)

During April and May 2007, the Columbia Basin Fish and Wildlife Authority's (CBFWA) Regional HEP Team (RHT) conducted baseline Habitat Evaluation Procedures (HEP) (USFWS 1980, 1980a) analyses on five parcels collectively designated the West Foster Creek Expansion Project (3,756.48 acres). The purpose of the HEP analyses was to document extant habitat conditions and to determine how many baseline/protection habitat units (HUs) to credit Bonneville Power Administration (BPA) for funding maintenance and enhancement activities on project lands as partial mitigation for habitat losses associated with construction of Grand Coulee and Chief Joseph Dams. HEP evaluation models included mule deer (Odocoileus hemionus), western meadowlark (Sturnella neglecta), sharp-tailed grouse, (Tympanuchus phasianellus), Bobcat (Lynx rufus), mink (Neovison vison), mallard (Anas platyrhynchos), and black-capped chickadee (Parus atricapillus). Combined 2007 baseline HEP results show that 4,946.44 habitat units were generated on 3,756.48 acres (1.32 HUs per acre). HEP results/habitat conditions were generally similar for like cover types at all sites. Unlike crediting of habitat units (HUs) on other WDFW owned lands, Bonneville Power Administration received full credit for HUs generated on these sites.

Ashley, Paul R.

2008-02-01T23:59:59.000Z

323

Study of Various Types of Faults with Neuro Fuzzy Controlled SSSC and STATCOM in Stabilization of Grid Connected Wind Generator  

Science Conference Proceedings (OSTI)

When wind farm is integrated to the power system, it has stability problem. Fixed speed induction generators require reactive power to maintain air gap flux. Reactive power equipments like Static Synchronous Compensator (STATCOM) and Static Synchronous ... Keywords: wind farm, grid, Induction generator (IG), STATCOM, SSSC, reactive power compensation, Neuro fuzzy controller (NFC), various types of faults

Rohi Kachroo; H. S. Dalvi

2012-11-01T23:59:59.000Z

324

Is Hubble's Expansion due to Dark Energy  

E-Print Network (OSTI)

{\\it The universe is expanding} is known (through Galaxy observations) since 1929 through Hubble's discovery ($V = H D$). Recently in 1999, it is found (through Supernovae observations) that the universe is not simply expanding but is accelerating too. We, however, hardly know only $4\\%$ of the universe. The Wilkinson Microwave Anisotropy Probe (WMAP) satellite observational data suggest $73\\%$ content of the universe in the form of dark-energy, $23\\%$ in the form of non-baryonic dark-matter and the rest $4\\%$ in the form of the usual baryonic matter. The acceleration of the universe is ascribed to this dark-energy with bizarre properties (repulsive-gravity). The question is that whether Hubble's expansion is just due to the shock of big-bang & inflation or it is due to the repulsive-gravity of dark-energy? Now, it is believed to be due to dark-energy, say, by re-introducing the once-discarded cosmological-constant $\\Lambda$. In the present paper, it is shown that `the formula for acceleration due to dark-energy' is (almost) exactly of same-form as `the acceleration formula from the Hubble's law'. Hence, it is concluded that: yes, `indeed it is the dark-energy responsible for the Hubble's expansion too, in-addition to the current on-going acceleration of the universe'.

R. C. Gupta; Anirudh Pradhan

2010-10-19T23:59:59.000Z

325

Distributed Generation  

NLE Websites -- All DOE Office Websites (Extended Search)

Untapped Value of Backup Generation Untapped Value of Backup Generation While new guidelines and regulations such as IEEE (Institute of Electrical and Electronics Engineers) 1547 have come a long way in addressing interconnection standards for distributed generation, utilities have largely overlooked the untapped potential of these resources. Under certain conditions, these units (primarily backup generators) represent a significant source of power that can deliver utility services at lower costs than traditional centralized solutions. These backup generators exist today in large numbers and provide utilities with another option to reduce peak load, relieve transmission congestion, and improve power reliability. Backup generation is widely deployed across the United States. Carnegie Mellon's Electricity

326

Generation of multiscale magnetic field by parity-invariant time-periodic flows  

E-Print Network (OSTI)

We study generation of magnetic fields involving large spatial scales by time- and space-periodic small-scale parity-invariant flows. The anisotropic magnetic eddy diffusivity tensor is calculated by the standard procedure involving expansion of magnetic modes and their growth rates in power series in the scale ratio. Our simulations, conducted for flows with random harmonic composition and exponentially decaying energy spectra, demonstrate that enlargement of the spatial scale of magnetic field is beneficial for generation by time-periodic flows. However, they turn out, in general, to be less efficient dynamos, than steady flows.

V. A. Zheligovsky; O. M. Podvigina

2002-07-28T23:59:59.000Z

327

Market-Based Indian Grid Integration Study Options: Preprint  

SciTech Connect

The Indian state of Gujarat is forecasting solar and wind generation expansion from 16% to 32% of installed generation capacity by 2015. Some states in India are already experiencing heavy wind power curtailment. Understanding how to integrate variable generation (VG) into the grid is of great interest to local transmission companies and India's Ministry of New and Renewable Energy. This paper describes the nature of a market-based integration study and how this approach, while new to Indian grid operation and planning, is necessary to understand how to operate and expand the grid to best accommodate the expansion of VG. Second, it discusses options in defining a study's scope, such as data granularity, generation modeling, and geographic scope. The paper also explores how Gujarat's method of grid operation and current system reliability will affect how an integration study can be performed.

Stoltenberg, B.; Clark, K.; Negi, S. K.

2012-03-01T23:59:59.000Z

328

Market-Based Indian Grid Integration Study Options: Preprint  

DOE Green Energy (OSTI)

The Indian state of Gujarat is forecasting solar and wind generation expansion from 16% to 32% of installed generation capacity by 2015. Some states in India are already experiencing heavy wind power curtailment. Understanding how to integrate variable generation (VG) into the grid is of great interest to local transmission companies and India's Ministry of New and Renewable Energy. This paper describes the nature of a market-based integration study and how this approach, while new to Indian grid operation and planning, is necessary to understand how to operate and expand the grid to best accommodate the expansion of VG. Second, it discusses options in defining a study's scope, such as data granularity, generation modeling, and geographic scope. The paper also explores how Gujarat's method of grid operation and current system reliability will affect how an integration study can be performed.

Stoltenberg, B.; Clark, K.; Negi, S. K.

2012-03-01T23:59:59.000Z

329

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

case of wind electricity in spain. Energy Policy, 36:3345–wind power in a carbon constrained world. Energy Policy, 34:wind power generation capacity in liberalized electricity markets. Energy Policy,

Mills, Andrew

2013-01-01T23:59:59.000Z

330

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

3.1.2 Storage and Hydro Resource Dispatch . . . 3.1.323 Monthly hydro generation budget and min-flow . . . . .4.3 Hydropower and Pumped Hydro Storage . . 4.4 Thermal

Mills, Andrew

2013-01-01T23:59:59.000Z

331

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

hour t ? T – e t : energy in pumped hydro storage reservoirNuclear Exist_Hydro Exist_Storage Note: Energy for existingcurtail non-hydro generation. Energy Prospects West, June

Mills, Andrew

2013-01-01T23:59:59.000Z

332

Early expansion in exploding multiple wire arrays  

Science Conference Proceedings (OSTI)

A simple model is developed for the initial stage (blow-off and the onset of pinching) of a multiple exploded wire array. With obvious modifications the model can also be applied to single wires or other self-pinched plasma columns. Each wire in the array is modeled as a plasma cylinder undergoing self-similar radial motion, and the whole array is coupled self-consistently to an external circuit. The plasma expands initially; the onset of self-pinch is shown to be coincident with the plasma conductivity reaching a value large enough for skin effect to occur. The model is run for a variety of system parameters, and the choice of machine and wire parameters to attain particular objectives (e.g., rapid current rise, limited wire expansion, etc.) is discussed.

Bloomberg, H.W.; Lampe, M.; Colombant, D.G.

1980-10-01T23:59:59.000Z

333

Derivative Expansion of the Exact Renormalization Group  

E-Print Network (OSTI)

The functional flow equations for the Legendre effective action, with respect to changes in a smooth cutoff, are approximated by a derivative expansion; no other approximation is made. This results in a set of coupled non-linear differential equations. The corresponding differential equations for a fixed point action have at most a countable number of solutions that are well defined for all values of the field. We apply the technique to the fixed points of one-component real scalar field theory in three dimensions. Only two non-singular solutions are found: the gaussian fixed point and an approximation to the Wilson fixed point. The latter is used to compute critical exponents, by carrying the approximation to second order. The results appear to converge rapidly.

Tim R. Morris

1994-03-22T23:59:59.000Z

334

Early stage expansion and time-resolved spectral emission of laser-induced  

NLE Websites -- All DOE Office Websites (Extended Search)

Early stage expansion and time-resolved spectral emission of laser-induced Early stage expansion and time-resolved spectral emission of laser-induced plasma from polymer Title Early stage expansion and time-resolved spectral emission of laser-induced plasma from polymer Publication Type Journal Article Year of Publication 2009 Authors Boueri, Myriam, Matthieu Baudelet, Jin Yu, Xianglei Mao, Samuel S. Mao, and Richard E. Russo Journal Applied Surface Science Volume 255 Issue 24 Pagination 9566-9571 Date Published 09/2009 Keywords Early stage plasma expansion, Laser ablation of polymer, Plasma spectral emission Abstract In the nanosecond laser ablation regime, absorption of laser energy by the plasma during its early stage expansion critically influences the properties of the plasma and thus its interaction with ambient air. These influences can significantly alter spectral emission of the plasma. For organic samples especially, recombination of the plasma with the ambient air leads to interfering emissions with respect to emissions due to native species evaporated from the sample. Distinguishing interfering emissions due to ambient air represents a critical issue for the application of laser-induced breakdown spectroscopy (LIBS) to the analysis of organic materials. In this paper, we report observations of early stage expansion and interaction with ambient air of the plasma induced on a typical organic sample (nylon) using timeresolved shadowgraph. We compare, in the nanosecond ablation regime, plasmas induced by infrared (IR) laser pulses (1064 nanometers) and ultraviolet (UV) laser pulses (266 nanometers). Nanosecond ablation is compared with femtosecond ablation where the post-ablation interaction is absent. Subsequent to the early stage expansion, we observe for each studied ablation regime, spectral emission from CN, a typical radical for organic and biological samples. Time-resolved LIBS allows identifying emissions from native molecular species and those due to recombination with ambient air through their different time evolution behaviors.

335

Abstract--Transmission expansion in fast growing economies imposes severe challenges to electricity markets, given the need  

E-Print Network (OSTI)

and persistent increases in the per capita energy consumption bring about high electricity load growth rates of uncertainty in load growth and generation expansion, coupled to the arrival of distributed renewable energy, and problems currently faced by different stakeholders. Renewable energy projects have experienced

Catholic University of Chile (Universidad Católica de Chile)

336

Energy Infrastructure Events and Expansions Year-in-Review 2011 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Infrastructure Events and Expansions Year-in-Review 2011 Infrastructure Events and Expansions Year-in-Review 2011 Energy Infrastructure Events and Expansions Year-in-Review 2011 The 2011 Year-in-Review (YIR) provides a summary of significant energy disruptions and infrastructure changes that occurred in the United States throughout 2011. The focus is on the United States, but international events that impacted the United States are also reported. The 2011 YIR is based primarily on information reported in the Energy Assurance Daily (EAD) between January 1, 2011 and December 31, 2011. Energy Infrastructure Events and Expansions Year-in-Review 2011.pdf More Documents & Publications Year-in-Review: 2012 Energy Infrastructure Events and Expansions (July 2013) Energy Infrastructure Events and Expansions Year-in-Review 2010

337

APSTNG: Associated particle sealed-tube neutron generator studies for arms control. Final report on NN-20 Project ST220  

SciTech Connect

Argonne National Laboratory has performed research and development on the use of Associated Particle Sealed-Tube Neutron Generator (APSTNG) technology for treaty verification and non-proliferation applications, under funding from the DOE Office of Nonproliferation and National Security. Results indicate that this technology has significant potential for nondestructively detecting elemental compositions inside inspected objects or volumes. The final phase of this project was placement of an order for commercial procurement of an advanced sealed tube, with its high-voltage supply and control systems. Procurement specifications reflected lessons learned during the study. The APSTNG interrogates a volume with a continuous 14-MeV neutron flux. Each neutron is emitted coincident with an {open_quotes}associated{close_quotes} alpha-particle emitted in the opposite direction. Thus detection of an alpha-particle marks the emission of a neutron in a cone opposite to that defined by the alpha detector. Detection of a gamma ray coincident with the alpha indicates that the gamma was emitted from a neutron-induced reaction inside the neutron cone: the gamma spectra can be used to identify fissionable materials and many isotopes having an atomic number larger than that of boron. The differences in gamma-ray and alpha-particle detection times yield a coarse measurement of the distance along the cone axis from the APSTNG emitter to each region containing the identified nuclide. A position-sensitive alpha detector would permit construction of coarse three-dimensional images. The source and emission-detection systems can be located on the same side of the interrogated volume. The neutrons and gamma rays are highly penetrating. A relatively high signal-to-background ratio allows the use of a relatively small neutron source and conventional electronics.

Rhodes, E.; Dickerman, C.E.; Brunner, T.; Hess, A.; Tylinski, S.

1994-12-01T23:59:59.000Z

338

Mineralogy, geochemistry and expansion testing of an alkali-reactive basalt from western Anatolia, Turkey  

Science Conference Proceedings (OSTI)

In this paper, the alkali-silica reaction performance of a basalt rock from western Anatolia, Turkey is reported. It is observed that the rock causes severe gel formation in the concrete microbar test. It appears that the main source of expansion is the reactive glassy phase of the basalt matrix having approximately 70% of SiO{sub 2}. The study presents the microstructural characteristics of unreacted and reacted basalt aggregate by optical and electron microscopy and discusses the possible reaction mechanism. Microstructural analysis revealed that the dissolution of silica is overwhelming in the matrix of the basalt and it eventually generates four consequences: (1) Formation of alkali-silica reaction gel at the aggregate perimeter, (2) increased porosity and permeability of the basalt matrix, (3) reduction of mechanical properties of the aggregate and (4) additional gel formation within the aggregate. It is concluded that the basalt rock is highly prone to alkali-silica reaction. As an aggregate, this rock is not suitable for concrete production.

Copuroglu, Oguzhan, E-mail: O.Copuroglu@CiTG.TUDelft.NL [Delft University of Technology, Faculty of CiTG, Materials and Environment, Stevinweg 1, 2628CN, Delft (Netherlands); Andic-Cakir, Ozge [Ege University, Civil Engineering Dept., 35100 Bornova, Izmir (Turkey); Broekmans, Maarten A.T.M. [Geological Survey of Norway, Dept. of Mineral Characterization, N-7491 Trondheim (Norway); Kuehnel, Radko [Burgemeester Merkusstraat 5, 2645 NJ, Delfgauw (Netherlands)

2009-07-15T23:59:59.000Z

339

Thermal Expansion of Aluminum and Some Aluminum Alloys  

Science Conference Proceedings (OSTI)

... Am. Inst. Mining Met. Engrs., Inst. Metals Diy. 104, 308 (1933). 13] P. Hidnert and W. Souder, Thermal expansion of solids, NBS Circular 486 (1950). ...

2006-03-29T23:59:59.000Z

340

Prevention of Compressor Short Cycling in Direct-Expansion (DX...  

NLE Websites -- All DOE Office Websites (Extended Search)

Units, Part 1: Theoretical Analysis and Simulation Title Prevention of Compressor Short Cycling in Direct-Expansion (DX) Rooftop Units, Part 1: Theoretical Analysis and Simulation...

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


341

Prevention of Compressor Short Cycling in Direct-Expansion (DX...  

NLE Websites -- All DOE Office Websites (Extended Search)

Units- Part 2: Field Investigation Title Prevention of Compressor Short Cycling in Direct-Expansion (DX) Rooftop Units- Part 2: Field Investigation Publication Type Journal Article...

342

FOA aimed at growing expansive database of Renewable Energy and...  

Open Energy Info (EERE)

FOA aimed at growing expansive database of Renewable Energy and Energy Efficiency Incentives and Policies Home > Groups > Utility Rate Graham7781's picture Submitted by...

343

EA-1763: Geothermal Expansion to Boise State University, City...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Sites Power Marketing Administration Other Agencies You are here Home EA-1763: Geothermal Expansion to Boise State University, City of Boise, Boise, Idaho EA-1763: Geothermal...

344

Energy Recovery During Expansion of Compressed Gas Using Power...  

NLE Websites -- All DOE Office Websites (Extended Search)

Recovery During Expansion of Compressed Gas Using Power Plant Low-Quality Heat Sources Opportunity The Department of Energy's National Energy Technology Laboratory (NETL) is...

345

Oil Production Capacity Expansion Costs for the Persian Gulf  

U.S. Energy Information Administration (EIA)

DOE/EIA-TR/0606 Distribution Category UC-950 Oil Production Capacity Expansion Costs For The Persian Gulf January 1996 Energy Information Administration

346

Development of a New Controlled Thermal Expansion Superalloy ...  

Science Conference Proceedings (OSTI)

Aerospace Structural Metals Handbook, (1991) Vol 4, Code 4103, page 36. 9. D. F. Smith and J. S. Smith, “A Silicon-Containing, Low-Expansion Alloy with.

347

Expansion of the Volpentest Hazardous Materials Management and...  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Assessment Expansion of the Volpentest Hazardous Materials Management and Emergency Response Training and Education Center, Hanford Site, Richland, Washington U.S....

348

Solar Thermal Small Power Systems Study. Inventory of US industrial small electric power generating systems. [Less than 10 MW  

DOE Green Energy (OSTI)

This inventory of small industrial electric generating systems was assembled by The Aerospace Corporation to provide a data base for analyses being conducted to estimate the potential for displacement of these fossil-fueled systems by solar thermal electric systems no larger than 10 MW in rated capacity. The approximately 2100 megawatts generating capacity of systems in this category constitutes a potential market for small solar thermal and other solar electric power systems. The sources of data for this inventory were the (former) Federal Power Commission (FPC) Form 4 Industrial Ledger and Form 12-C Ledger for 1976. Table 1 alphabetically lists generating systems located at industrial plants and at Federal government installations in each of the 50 states. These systems are differentiated by type of power plant: steam turbine, diesel generator, or gas turbine. Each listing is designated as a power system rather than a power unit because the FPC Ledgers do not provide a means of determining whether more than one unit is associated with each industrial installation. Hence, the user should consider each listing to be a system capacity rating wherein the system may consist of one or more generating units with less than 10 MW/sub e/ combined rating. (WHK)

Not Available

1979-06-01T23:59:59.000Z

349

Distributed Generation  

NLE Websites -- All DOE Office Websites (Extended Search)

with another option to reduce peak load, relieve transmission congestion, and improve power reliability. Backup generation is widely deployed across the United States. Carnegie...

350

High-expansion foam for LNG vapor mitigation. Topical report, September 1987-December 1989  

SciTech Connect

One of the purposes of these high expansion foam systems is to reduce the extent of the hazardous vapor cloud generated during an accidental LNG release. Should the LNG ignite, these systems serve the additional function of controlling the LNG fire and minimizing its radiation to the surroundings. Foam generators have been installed along the tops of dike walls surrounding some LNG storage tanks, and around other fenced containment areas where LNG may be accidentally released, such as LNG pump pits and pipe rack trenches. To date there are no technically justifiable guidelines for the design and installation of these systems. Furthermore, there are no models that may be used describe the vapor source so as to be able to predict the reduction in the hazardous vapor cloud zone when high expansion foam is applied to an LNG spill. Information is essential not only for the optimal design of high expansion foam systems, but also for comparing the cost effectiveness of alternative LNG vapor mitigation measures.

Atallah, S.; Shah, J.N.; Peterlinz, M.E.

1990-05-01T23:59:59.000Z

351

Improved braking torque generation capacity of an eddy current brake with time varying magnetic fields: A numerical study  

Science Conference Proceedings (OSTI)

Eddy current brakes (ECB) are electrically controlled and non-contact actuators used as assistive brakes in vehicles. ECBs exhibit insufficient generated braking torque at low speeds. In order to overcome this, the use of AC magnetic fields with fixed ... Keywords: Automotive applications, Brake-by-wire, Eddy current brakes, Finite element analysis, Time-varying magnetic field

Kerem Karakoc; Edward J. Park; Afzal Suleman

2012-10-01T23:59:59.000Z

352

Dark Energy, Expansion History of the Universe, and SNAP  

E-Print Network (OSTI)

This talk presents a pedagogical discussion of how precision distance-redshift observations can map out the recent expansion history of the universe, including the present acceleration and the transition to matter dominated deceleration. The proposed Supernova/Acceleration Probe (SNAP) will carry out observations determining the components and equations of state of the energy density, providing insights into the cosmological model, the nature of the accelerating dark energy, and potentially clues to fundamental high energy physics theories and gravitation. This includes the ability to distinguish between various dynamical scalar field models for the dark energy, as well as higher dimension and alternate gravity theories. A new, advantageous parametrization for the study of dark energy to high redshift is also presented.

Eric V. Linder

2003-02-03T23:59:59.000Z

353

A Ginzburg-Landau model for the expansion of a dodecahedral viral capsid  

E-Print Network (OSTI)

We propose a Ginzburg-Landau model for the expansion of a dodecahedral viral capsid during infection or maturation. The capsid is described as a dodecahedron whose faces, meant to model rigid capsomers, are free to move independent of each other, and has therefore twelve degrees of freedom. We assume that the energy of the system is a function of the twelve variables with icosahedral symmetry. Using techniques of the theory of invariants, we expand the energy as the sum of invariant polynomials up to fourth order, and classify its minima in dependence of the coefficients of the Ginzburg-Landau expansion. Possible conformational changes of the capsid correspond to symmetry breaking of the equilibrium closed form. The results suggest that the only generic transition from the closed state leads to icosahedral expanded form. Our approach does not allow to study the expansion pathway, which is likely to be non-icosahedral.

E. Zappa; G. Indelicato; A. Albano; P. Cermelli

2013-01-17T23:59:59.000Z

354

Expansion-Free Evolving Spheres Must Have Inhomogeneous Energy Density Distributions  

E-Print Network (OSTI)

In a recent paper a systematic study on shearing expansion-free spherically symmetric distributions was presented. As a particular case of such systems, the Skripkin model was mentioned, which corresponds to a nondissipative perfect fluid with a constant energy density. Here we show that such a model is inconsistent with junction conditions. It is shown that in general for any nondissipative fluid distribution, the expansion-free condition requires the energy density to be inhomogeneous. As an example we consider the case of dust, which allows for a complete integration.

L. Herrera; G. Le Denmat; N. O. Santos

2009-03-27T23:59:59.000Z

355

Expansion-free evolving spheres must have inhomogeneous energy density distributions  

Science Conference Proceedings (OSTI)

In a recent paper a systematic study on shearing expansion-free spherically symmetric distributions was presented. As a particular case of such systems, the Skripkin model was mentioned, which corresponds to a nondissipative perfect fluid with a constant energy density. Here we show that such a model is inconsistent with junction conditions. It is shown that in general for any nondissipative fluid distribution, the expansion-free condition requires the energy density to be inhomogeneous. As an example we consider the case of dust, which allows for a complete integration.

Herrera, L. [Escuelade Fisica Facultadde Ciencias, Universidad Central de Venezuela, Caracas (Venezuela, Bolivarian Republic of); Le Denmat, G. [LERMA-PVI, Universite Paris 06, Observatoire de Paris, CNRS, 3 rue Galilee, Ivry sur Seine 94200 (France); Santos, N. O. [LERMA-PVI, Universite Paris 06, Observatoire de Paris, CNRS, 3 rue Galilee, Ivry sur Seine 94200 (France); Laboratorio Nacional de Computacao Cientifica, 25651-070 Petropolis Rio de Janeiro (Brazil)

2009-04-15T23:59:59.000Z

356

Power System Generation and Inter-Connection Planning Model (SUPER) | Open  

Open Energy Info (EERE)

Power System Generation and Inter-Connection Planning Model (SUPER) Power System Generation and Inter-Connection Planning Model (SUPER) Jump to: navigation, search Tool Summary Name: Power System Generation and Inter-Connection Planning Model (SUPER) Agency/Company /Organization: Latin American Energy Organization Sector: Energy Focus Area: Renewable Energy, Hydro Topics: Resource assessment Resource Type: Software/modeling tools Website: www.olade.org/superEn.html References: SUPER website [1] "This model is useful for multi-year electricity system planning studies, making it possible to analyze, optimize, simulate and develop hydrothermal power system expansion plans." References ↑ "SUPER website" Retrieved from "http://en.openei.org/w/index.php?title=Power_System_Generation_and_Inter-Connection_Planning_Model_(SUPER)&oldid=329

357

Environmental Assessment for the Terminal Expansion Project.  

SciTech Connect

The Terminal Expansion Project is proposed by Bonneville Power Administration (BPA), Southern California Edison (SCE), and the Los Angeles Department of Water and Power (LADWP) to increase the operating capacity of the existing bipole direct current (dc) Intertie line between the Celilo Converter Station at The Dalles, Oregon, and the Sylmar converter Station at Sylmar, California. The proposal will allow a greater exchange of electric power between the Pacific Northwest (PNW) and Southern California without constructing new interregional transmission lines. By adding more alternating ac/dc converter equipment at the terminals, the conductors on the existing 845-mile dc intertie transmission line can be operated at full design capacity. The dc Intertie plus two other ac lines which terminate near San Francisco comprise the ''Intertie.'' Though the project is interregional, relatively little construction will be needed. This Environmental Assessment addresses the environmental impacts of the proposed actions and makes a determination as to their significance. Though LADWP is complying with the State environmental process, as required by the California Environmental Quality Act (CEQA), the impacts of their construction are being considered as part of the impacts of the overall proposal and are considered in the determination of significance.

United States. Bonneville Power Administration.

1985-02-01T23:59:59.000Z

358

Expansion of U. S. uranium enrichment capacity. Final environmental statement  

SciTech Connect

Reasonably foreseeable environmental, social, economic, and technological costs and benefits of postulated expansion of U. S. enrichment capacity through the year 2000 and reasonably available alternatives to such expansion are described. Both the gas centrifuge and gaseous diffusion methods for the enrichment of uranium are considered in this impact assessment. (JGB)

1976-04-01T23:59:59.000Z

359

Thermal Expansion in Ocean and Coupled General Circulation Models  

Science Conference Proceedings (OSTI)

More than half of the predicted rise in future sea level caused by the enhanced greenhouse effect is currently thought to be due to the thermal expansion of the oceans. Here methods for quantifying this thermal expansion component of sea level ...

D. R. Jackett; T. J. McDougall; M. H. England; A. C. Hirst

2000-04-01T23:59:59.000Z

360

Optimal expansion of competence sets with multilevel skills  

Science Conference Proceedings (OSTI)

The purpose of competence set expansion is to find an optimal expansion process at the minimal cost and then obtain the required competence set from the acquired competence set to solve a problem. Several models have been proposed to address the competence ... Keywords: Competence set, Decision making, Multiple solutions

Jung-Fa Tsai; Pei-Chun Wang; Ming-Hua Lin

2012-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


361

Expansion of elastic bodies with application in the bread industry  

Science Conference Proceedings (OSTI)

This article is concerned with modeling the expansion of an elastic body with application to the evolution of bread dough during the proofing process. The main result is a set of linear second-order partial differential equations corresponding to an ... Keywords: B-Splines, Bread dough, Elastic expansion, Rayleigh-Ritz method, Surface evolution

P. C. Bollada

2008-10-01T23:59:59.000Z

362

Tanzania Energy Development and Access Expansion Project | Open Energy  

Open Energy Info (EERE)

Energy Development and Access Expansion Project Energy Development and Access Expansion Project Jump to: navigation, search Name of project Tanzania Energy Development and Access Expansion Project Location of project Tanzania Energy Services Lighting, Cooking and water heating, Space heating, Cooling Year initiated 2007 Organization World Bank Website http://documents.worldbank.org Coordinates -6.369028°, 34.888822° References The World Bank[1] The objective of the Energy Development and Access Expansion Project of Tanzania is to improve the quality and efficiency of the electricity service provision in the three main growth centers of Dar es Salaam, Arusha, and Kilimanjaro and to establish a sustainable basis for energy access expansion. The project is consistent with the latest Joint Assistance Strategy (2007-2010) by specifically supporting the goals of the

363

Energy Infrastructure Events and Expansions Year-in-Review 2010 |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Infrastructure Events and Expansions Year-in-Review 2010 Infrastructure Events and Expansions Year-in-Review 2010 Energy Infrastructure Events and Expansions Year-in-Review 2010 The Year-in-Review provides an overview of the events that occurred in 2010: disruptions and additions to energy infrastructure in the United States as well as international events of importance to U.S. energy supplies. The report is the culminating analysis of all of the 2010 issues of the Energy Assurance Daily (EAD). Energy Infrastructure Events and Expansions Year-in-Review 2010.pdf More Documents & Publications Energy Infrastructure Events and Expansions Year-in-Review 2011 Hardening and Resiliency: U.S. Energy Industry Response to Recent Hurricane Seasons - August 2010 Comparing the Impacts of the 2005 and 2008 Hurricanes on U.S. Energy

364

EA-1934: Expansion of Active Borrow Areas, Hanford Site, Richland,  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

EA-1934: Expansion of Active Borrow Areas, Hanford Site, Richland, EA-1934: Expansion of Active Borrow Areas, Hanford Site, Richland, Washington EA-1934: Expansion of Active Borrow Areas, Hanford Site, Richland, Washington SUMMARY This EA evaluates the potential environmental impacts of expansion or continued use of existing sand and gravel pits located on the Hanford Site (Pits F, H, N, 6, 9, 18, 21, 23, 24, 30, and 34) and establishing one new borrow area source in the 100 Area for ongoing construction activities and fill material following remediation activities. The scope of this EA does not include borrow sources for silt-loam material. PUBLIC COMMENT OPPORTUNITIES None available at this time. DOCUMENTS AVAILABLE FOR DOWNLOAD August 15, 2013 EA-1934: Mitigation Action Plan Expansion of Active Borrow Areas, Hanford Site, Richland, Washington

365

EA-1934: Expansion of Active Borrow Areas, Hanford Site, Richland,  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

4: Expansion of Active Borrow Areas, Hanford Site, Richland, 4: Expansion of Active Borrow Areas, Hanford Site, Richland, Washington EA-1934: Expansion of Active Borrow Areas, Hanford Site, Richland, Washington SUMMARY This EA evaluates the potential environmental impacts of expansion or continued use of existing sand and gravel pits located on the Hanford Site (Pits F, H, N, 6, 9, 18, 21, 23, 24, 30, and 34) and establishing one new borrow area source in the 100 Area for ongoing construction activities and fill material following remediation activities. The scope of this EA does not include borrow sources for silt-loam material. PUBLIC COMMENT OPPORTUNITIES None available at this time. DOCUMENTS AVAILABLE FOR DOWNLOAD August 15, 2013 EA-1934: Mitigation Action Plan Expansion of Active Borrow Areas, Hanford Site, Richland, Washington

366

Acceleration of the cosmic expansion induced by symmetry breaking  

E-Print Network (OSTI)

It is proved that in order to obtain a model of the accelerated cosmic expansion the thing one only need to do is to add a perturbation term to the Einstein-Hilbert Lagrangian. This term leads to some symmetry breaking terms in the fields equation, which makes the cosmic expansion accelerating. A vacuum de Sitter solution is obtained. A new explanation of the acceleration of the cosmic expansion is presented. In this model the changing of the expansion from decelerating to accelerating is an intrinsic property of the universe without need of an exotic dark energy. The acceleration of the cosmic expansion is induced by the symmetry breaking perturbation of the gravitational energy. The cosmological constant problem, the coincidence problem and the problem of phantom divide line crossing are naturally solved. The results of the model are roughly consistent with the observations.

G. Y. Chee

2013-01-21T23:59:59.000Z

367

OPEC production: Untapped reserves, world demand spur production expansion  

Science Conference Proceedings (OSTI)

To meet projected world oil demand, almost all members of the Organization of Petroleum Exporting Countries (OPEC) have embarked on ambitious capacity expansion programs aimed at increasing oil production capabilities. These expansion programs are in both new and existing oil fields. In the latter case, the aim is either to maintain production or reduce the production decline rate. However, the recent price deterioration has led some major OPEC producers, such as Saudi Arabia and Iran, to revise downward their capacity plans. Capital required for capacity expansion is considerable. Therefore, because the primary source of funds will come from within each OPEC country, a reasonably stable and relatively high oil price is required to obtain enough revenue for investing in upstream projects. This first in a series of two articles discusses the present OPEC capacity and planned expansion in the Middle East. The concluding part will cover the expansion plans in the remaining OPEC countries, capital requirements, and environmental concerns.

Ismail, I.A.H. (Organization of the Petroleum Exporting Countries, Vienna (Austria))

1994-05-02T23:59:59.000Z

368

Borel summation of the small time expansion of the heat kernel with a vector potential  

E-Print Network (OSTI)

We study the Borel summability of the small time expansion of the heat kernel associated to a first order perturbation of a Laplacian. An explicit formula for this kernel plays a central role. As a consequence, we get a Poisson formula on the torus.

Thierry Harge

2013-02-04T23:59:59.000Z

369

Generating Economic Development from a Wind Power Plant in Spanish Fork Canyon, Utah: A Case Study and Analysis of State-Level Economic Impacts  

Wind Powering America (EERE)

Generating Economic Development from a Wind Power Generating Economic Development from a Wind Power Project in Spanish Fork Canyon, Utah: A Case Study and Analysis of State-Level Economic Impacts Sandra Reategui Edwin R. Stafford, Ph.D. Cathy L. Hartman, Ph.D. Center for the Market Diffusion of Renewable Energy and Clean Technology Jon M. Huntsman School of Business Utah State University 3560 Old Main Hill Logan, Utah 84322-3560 January 2009 DOE/GO-102009-2760 Acknowledgements ....................................................................................................................... 1 Introduction ................................................................................................................................... 2 Report Overview ......................................................................................................................... 2

370

Radcalc for windows benchmark study: A comparison of software results with Rocky Flats hydrogen gas generation data  

DOE Green Energy (OSTI)

Radcalc for Windows Version 2.01 is a user-friendly software program developed by Waste Management Federal Services, Inc., Northwest Operations for the U.S. Department of Energy (McFadden et al. 1998). It is used for transportation and packaging applications in the shipment of radioactive waste materials. Among its applications are the classification of waste per the US. Department of Transportation regulations, the calculation of decay heat and daughter products, and the calculation of the radiolytic production of hydrogen gas. The Radcalc program has been extensively tested and validated (Green et al. 1995, McFadden et al. 1998) by comparison of each Radcalc algorithm to hand calculations. An opportunity to benchmark Radcalc hydrogen gas generation calculations to experimental data arose when the Rocky Flats Environmental Technology Site (RFETS) Residue Stabilization Program collected hydrogen gas generation data to determine compliance with requirements for shipment of waste in the TRUPACT-II (Schierloh 1998). The residue/waste drums tested at RFETS contain contaminated, solid, inorganic materials in polyethylene bags. The contamination is predominantly due to plutonium and americium isotopes. The information provided by Schierloh (1 998) of RFETS includes decay heat, hydrogen gas generation rates, calculated G{sub eff} values, and waste material type, making the experimental data ideal for benchmarking Radcalc. The following sections discuss the RFETS data and the Radcalc cases modeled with the data. Results are tabulated and also provided graphically.

MCFADDEN, J.G.

1999-07-19T23:59:59.000Z

371

Electric Utility Rate Design Study: embedded generation costs on a time-of-day basis for Iowa Southern Utilities Company  

SciTech Connect

This report develops a method for determining average embedded generation costs on a time-of-day basis and describes the application of the method to Iowa Southern Utilities. These costs are not allocated to customer classes. Since average embedded costs are composed of the running (or variable) costs and the capital costs, the analysis examines each of these separately. Running costs on a time-of-day basis are determined through the use of a generation dispatch model that reports the loadings by generating unit and the running costs of meeting the load. These costs are reported on an hour-by-hour basis. The dispatch model takes into account the operating characteristics of each unit and the major engineering constraints on a system; e.g., must-run units, minimum up and down time, startup cost. After reviewing several suggested capital-cost allocation procedures, a method is developed that allocates capital costs on a time-of-day basis by using a recontracting-for-capacity procedure that allows capacity to vary by hour for each month. The method results in allocations to customers who benefit from its use. An important and distinguishing feature of this method is that it allows calculation of the costs before rating periods are chosen.

1980-01-01T23:59:59.000Z

372

Characterization of carbon fibers: coefficient of thermal expansion and microstructure  

E-Print Network (OSTI)

The focus of the research is to develop a consistent and repeatable method to evaluate the coefficient of thermal expansion (CTE) of carbon fibers at high temperatures. Accurate measurement of the CTE of carbon fibers is essential to understand and develop optimal processing procedures as well as computational simulations to predict properties and allowables for fiber-reinforced composites. The mismatch between the coefficient of thermal expansion of the fiber and the matrix has a profound impact on the development of residual stresses and the subsequent damage initiation and progression, potentially diminishing the performance of composite structures. In situ transmission electron microscopy (TEM) is selected to perform the experimental work on account of the high resolution and the capability of evaluating both the longitudinal and transverse CTE. The orthotropy in the CTE is tested by rotating the fibers through 45° about their axis. The method is validated by testing standard tungsten filaments of known CTE. Additionally, the microstructure of the fibers is studied in a field emission scanning electron microscope as well as through selected area diffraction patterns in a TEM to observe presence of any potential orthotropy. The pitch based P55 fiber revealed a cylindrically orthotropic microstructure, but the PAN based IM7 and T1000 fibers did not reveal any orthotropy. Finite element models of hexagonally arranged IM7 fibers in a 977 epoxy matrix are developed using PATRAN and analyzed using the commercial FEA code ABAQUS 6.4. The fiber properties were considered temperature independent where as the matrix properties were varied linearly with temperature. The lamina properties evaluated from the finite element modeling are in agreement with the experimental results in literature within 10% in the temperature range of room temperature to the stress free temperature of the epoxy, however at cryogenic temperatures the difference is greater. The residual stresses developed during processing of the composite indicated a potential location for fiber matrix debonding to be in the matrix dominant regions.

Kulkarni, Raghav Shrikant

2004-12-01T23:59:59.000Z

373

POWER SUPPLY EXPANSION AND THE NUCLEAR OPTION  

E-Print Network (OSTI)

the fact that eventually thermal plant is duplicated by CO -2 free nuclear power. Similarly), Autoproducing Power Plants in Poland: Technological Data, Warsaw 1993b. ______, Public Thermal Power Plants% of all generating capacity, 5.6 GW, is combined heat and power (CHP), or cogeneration, plant, which also

374

Advanced Planning Method for Integrating Large-Scale Variable Generation  

Science Conference Proceedings (OSTI)

As the penetration and size of renewable generation resources increase, the industry must expand transmission infrastructure to accommodate increasing renewable resource output. Conventional transmission expansion planning requires sufficient transmission capacities to transfer the full name plate capacity of all power plants to load centers at the same time. However, renewable resources, such as wind and solar, have highly variable output and are spatially diversified. Thus, transmission expansion plann...

2009-12-22T23:59:59.000Z

375

Overview of the Capstone Depleted Uranium Study of Aerosols from Impact with Armored Vehicles: Test Setup and Aerosol Generation, Characterization, and Application in Assessing Dose and Risk  

Science Conference Proceedings (OSTI)

The Capstone Depleted Uranium (DU) Aerosol Characterization and Risk Assessment Study was conducted to generate data about DU aerosols generated during the perforation of armored combat vehicles with large-caliber DU penetrators, and to apply the data in assessments of human health risks to personnel exposed to these aerosols, primarily through inhalation, during the 1991 Gulf War or in future military operations. The Capstone study consisted of two components: 1) generating, sampling and characterizing DU aerosols by firing at and perforating combat vehicles and 2) applying the source-term quantities and characteristics of the aerosols to the evaluation of doses and risks. This paper reviews the background of the study including the bases for the study, previous reviews of DU particles and health assessments from DU used by the U.S. military, the objectives of the study components, the participants and oversight teams, and the types of exposures it was intended to evaluate. It then discusses exposure scenarios used in the dose and risk assessment and provides an overview of how the field tests and dose and risk assessments were conducted.

Parkhurst, MaryAnn; Guilmette, Raymond A.

2009-03-01T23:59:59.000Z

376

APEX user`s guide - (Argonne production, expansion, and exchange model for electrical systems), version 3.0  

Science Conference Proceedings (OSTI)

This report describes operating procedures and background documentation for the Argonne Production, Expansion, and Exchange Model for Electrical Systems (APEX). This modeling system was developed to provide the U.S. Department of Energy, Division of Fossil Energy, Office of Coal and Electricity with in-house capabilities for addressing policy options that affect electrical utilities. To meet this objective, Argonne National Laboratory developed a menu-driven programming package that enables the user to develop and conduct simulations of production costs, system reliability, spot market network flows, and optimal system capacity expansion. The APEX system consists of three basic simulation components, supported by various databases and data management software. The components include (1) the investigation of Costs and Reliability in Utility Systems (ICARUS) model, (2) the Spot Market Network (SMN) model, and (3) the Production and Capacity Expansion (PACE) model. The ICARUS model provides generating-unit-level production-cost and reliability simulations with explicit recognition of planned and unplanned outages. The SMN model addresses optimal network flows with recognition of marginal costs, wheeling charges, and transmission constraints. The PACE model determines long-term (e.g., longer than 10 years) capacity expansion schedules on the basis of candidate expansion technologies and load growth estimates. In addition, the Automated Data Assembly Package (ADAP) and case management features simplify user-input requirements. The ADAP, ICARUS, and SMN modules are described in detail. The PACE module is expected to be addressed in a future publication.

VanKuiken, J.C.; Veselka, T.D.; Guziel, K.A.; Blodgett, D.W.; Hamilton, S.; Kavicky, J.A.; Koritarov, V.S.; North, M.J.; Novickas, A.A.; Paprockas, K.R. [and others

1994-11-01T23:59:59.000Z

377

Hospitals - Medical - Backup Generator Problems  

Science Conference Proceedings (OSTI)

This power quality (PQ) case study presents the investigation of problems while testing a backup generator at a hospital.

2003-12-31T23:59:59.000Z

378

Study on Preventing Volume Expansion of Amorphous Si/Sn ...  

Science Conference Proceedings (OSTI)

A21: First-Principles Molecular Dynamics Simulation of Chemical ... A3: Investigation on Co-combustion Kinetics of Anthracite Coal and Biomass Char by ... Lithium Redox Process for Thermochemical Water-Splitting as Energy Conversion.

379

Measurement and quantification of aggregate thermal coefficient of expansion  

E-Print Network (OSTI)

The coefficient of thermal expansion of concrete affects thermal related distresses in pavements. Factors affecting expansion of concrete and aggregates along with existing models are reviewed. A test method to measure the coefficient of thermal expansion of aggregates is proposed. Existing methods used to analyze oxide contents are evaluated. A relation between the oxide content of various elements in aggregates and the CTE of aggregate is presented. Results obtained from the proposed method are presented. A model is also presented for the CTE of concrete based on aggregate properties.

Chande, Gautam U

1997-01-01T23:59:59.000Z

380

Relaying and Controls for Generator Applications  

E-Print Network (OSTI)

In today's competitive marketplace, many electrical energy consumers are encouraged to enter into interruptible or cogeneration contracts by their electrical utility. Interruptible contracts provide year-round cost savings for the consumer, and defer costly infrastructure expansion for the utility. In some cases, existing generators and controls can be upgraded or modified for paralleling with the utility. In new installations, there are literally dozens of options available for generator operation. This paper provides an overview of generators, relaying and controls. Typical operational procedures are discussed to provide a framework for optimizing generator performance. Additionally, methods of providing electrical protection and control for generators are discussed for small and large generator applications at low and medium voltages. Note: The views expressed in this paper do not necessarily represent the views of the United States of America, the U. S. Department of Justice, or the Federal Bureau of Prisons.

Massey, G. W.

2000-04-01T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


381

A study of signal generation and charge collection in a-Si:H diodes for radiation imaging  

SciTech Connect

Its high radiation resistivity and large-area capability are the expected advantages of this material together with its ability to provide a front-end readout electronics in the vicinity of the sensor element. Electrons and holes created by incoming charged particles, X-rays, {gamma} rays, are drifted by the electric field inside a-Si:H diodes and this carrier movement induces signal charges on electrodes. Charge collection and signal generation process are analyzed in terms of carrier mobilities, lifetimes and electric field. Charge collection in thick a-Si:H diodes is often limited by deep-level trapping of carriers during transit and a finite charge integration time required for single particle counting in some applications and sometimes by volume recombination of carriers for detecting heavily-ionizing particles such as {alpha} particles. The charge collection process is also strongly affected by the non-uniform electric field profiles in a-Si:H diodes caused by the fixed space charges inside the material under reverse-bias. Signal generation due to a weak light pulse irradiating each end of a thick diode is measured as a function of a reverse-bias and it gives a valuable information about the fixed space charges. Field profiles can be manipulated by either doping, electrode geometry, or combination of both to improve the charge collection process. One can apply a higher reverse-bias on a diode with an equivalent thickness by providing buffer layers at each end of the diode and thus suppressing soft breakdown phenomena. X-ray detection with a good sensitivity is demonstrated by an a-Si:H photodiode coupled to an evaporated CsI scintillator. The scintillation quality of evaporated CsI layers can be made almost identical to its single crystal counterpart. Fields of a-Si:H radiation detector application include high energy physics, medical imaging, materials science and life science. 78 refs., 68 figs., 11 tabs.

Fujieda, I.

1990-10-01T23:59:59.000Z

382

DOE Announces Expansion and Solicitation for Entrepreneur in Residence  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Expansion and Solicitation for Entrepreneur in Expansion and Solicitation for Entrepreneur in Residence Program DOE Announces Expansion and Solicitation for Entrepreneur in Residence Program November 19, 2008 - 4:58pm Addthis Entrepreneurs Accelerate Deployment of Advanced Clean Energy Technologies from DOE's Labs to the Marketplace WASHINGTON - U.S. Department of Energy (DOE) Secretary Samuel W. Bodman today announced a competitive solicitation for five venture capital firms to participate in the expansion of DOE's Entrepreneur in Residence (EIR) program, that aims to accelerate deployment and commercialization of advanced clean energy technologies from DOE's National Laboratories. EIR furthers President Bush's comprehensive strategy to reduce our nation's dependence on foreign oil and reduce greenhouse gas emissions by empowering

383

Energy At Work: Plant Expansion Creates Job Opportunities in Ohio |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy At Work: Plant Expansion Creates Job Opportunities in Ohio Energy At Work: Plant Expansion Creates Job Opportunities in Ohio Energy At Work: Plant Expansion Creates Job Opportunities in Ohio May 24, 2012 - 5:08pm Addthis Wade Reichelderfer is among the recent hires at DuPont's newly expanded solar manufacturing plant in Circleville, Ohio. | Photo courtesy of DuPont. Wade Reichelderfer is among the recent hires at DuPont's newly expanded solar manufacturing plant in Circleville, Ohio. | Photo courtesy of DuPont. Erin R. Pierce Erin R. Pierce Digital Communications Specialist, Office of Public Affairs What does this project do? DuPont's newly expanded solar manufacturing plant in Circleville, Ohio, produces thin film materials to strengthen the durability of solar panels. To support the expansion project, DuPont created 70 new operational

384

Partnership in Assisting Community Expansion (PACE) Program (North Dakota)  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Partnership in Assisting Community Expansion (PACE) Program (North Partnership in Assisting Community Expansion (PACE) Program (North Dakota) Partnership in Assisting Community Expansion (PACE) Program (North Dakota) < Back Eligibility Commercial Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State North Dakota Program Type Loan Program The Partnership in Assisting Community Expansion (PACE) Program is available to finance the purchase of equipment or real estate, as well as term working capital. In conjunction with community support, the program provides an interest buy down that can reduce the borrower's rate of interest by as much as 5%. This buy down can mean an interest savings of approximately $462,000 over the term of the loan. In return, the borrower

385

Financial Analysis of Electric Sector Expansion Plans (FINPLAN) | Open  

Open Energy Info (EERE)

Financial Analysis of Electric Sector Expansion Plans (FINPLAN) Financial Analysis of Electric Sector Expansion Plans (FINPLAN) Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Financial Analysis of Electric Sector Expansion Plans (FINPLAN) Agency/Company /Organization: International Atomic Energy Agency Sector: Energy Focus Area: Renewable Energy, Energy Efficiency Topics: Market analysis Resource Type: Software/modeling tools Website: www-tc.iaea.org/tcweb/abouttc/strategy/Thematic/pdf/presentations/ener References: Overview of IAEA PESS Models [1] "In developing countries, financial constraints are often the most important obstacle to implementing optimal electricity expansion plans. FINPLAN helps assess the financial viability of plans and projects. It takes into account different financial sources - including export credits,

386

Major Business Expansion Bond Program (Maine) | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Expansion Bond Program (Maine) Expansion Bond Program (Maine) Major Business Expansion Bond Program (Maine) < Back Eligibility Commercial Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Maine Program Type Bond Program Provider Finance Authority of Maine The Major Business Expansion Bond Program provides long-term, credit-enhanced financing up to $25,000,000 at taxable bond rates for businesses creating or retaining at least 50 jobs; up to $10,000,000 is available for businesses which expand their manufacturing services. The bond proceeds may be used to acquire real estate, machinery, equipment, or rehabilitate or expand an existing facility. The interest rate is determined by market forces at the time of the bond sale

387

Frequency dependent thermal expansion in binary viscoelastic composites  

E-Print Network (OSTI)

coe?cient, c p is the heat capacity, T is the ambient systemthermal expansion and heat capacity e?ects, also has thisincrement of heat, c v is heat capacity at constant volume,

Berryman, James G.

2008-01-01T23:59:59.000Z

388

Stetson Wind Expansion Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Stetson Wind Expansion Wind Farm Stetson Wind Expansion Wind Farm Jump to: navigation, search Name Stetson Wind Expansion Wind Farm Facility Stetson Wind Expansion Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner First Wind Developer First Wind Location Washington County ME Coordinates 45.595833°, -67.928628° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":45.595833,"lon":-67.928628,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

389

Energy At Work: Plant Expansion Creates Job Opportunities in Ohio |  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Energy At Work: Plant Expansion Creates Job Opportunities in Ohio Energy At Work: Plant Expansion Creates Job Opportunities in Ohio Energy At Work: Plant Expansion Creates Job Opportunities in Ohio May 24, 2012 - 5:08pm Addthis Wade Reichelderfer is among the recent hires at DuPont's newly expanded solar manufacturing plant in Circleville, Ohio. | Photo courtesy of DuPont. Wade Reichelderfer is among the recent hires at DuPont's newly expanded solar manufacturing plant in Circleville, Ohio. | Photo courtesy of DuPont. Erin R. Pierce Erin R. Pierce Digital Communications Specialist, Office of Public Affairs What does this project do? DuPont's newly expanded solar manufacturing plant in Circleville, Ohio, produces thin film materials to strengthen the durability of solar panels. To support the expansion project, DuPont created 70 new operational

390

Year-in-Review: 2012 Energy Infrastructure Events and Expansions  

Energy.gov (U.S. Department of Energy (DOE))

The Year-in-Review (YIR): 2012 Energy Infrastructure Events and Expansions report provides a summary of significant energy disruptions and infrastructure changes that occurred in the United States...

391

Transitions in Shallow Convection: An Explanation for Lateral Cell Expansion  

Science Conference Proceedings (OSTI)

A generalized seven-coefficient model of two-dimensional Rayleigh-Bénard convection is presented. The model simulates successfully one means by which lateral cell expansion can occur as the value of the imposed vertical temperature difference is ...

Hai-Ru Chang; Hampton N. Shirer

1984-08-01T23:59:59.000Z

392

On Thermal Expansion over the Last Hundred Years  

Science Conference Proceedings (OSTI)

Estimates of sea level rise during the period 1856–1991 due to thermal expansion are presented. The estimates are based on an ocean model that consists of three zonally averaged ocean basins representing the Atlantic, Pacific, and Indian Oceans. ...

J. R. de Wolde; R. Bintanja; J. Oerlemans

1995-11-01T23:59:59.000Z

393

Value of Options in Airport Expansion - Example of AICM  

E-Print Network (OSTI)

Investments decisions for airport capacity expansion are usually taken, either when demand exceeds the current capacity and the airport is working under congestion, or when current demand is expected to overcome current ...

Morgado, Frederico

394

Baroclinic Tsunami Generation  

Science Conference Proceedings (OSTI)

An analytical and experimental study of the baroclinic waves generated by a monopole dislocation of the sea floor is presented. Analytical results are based on a two-dimensional and linearized description of motion using a two-layer approximation ...

Joseph L. Hammack

1980-09-01T23:59:59.000Z

395

GENERATING CAPACITY  

E-Print Network (OSTI)

Evidence from the U.S. and some other countries indicates that organized wholesale markets for electrical energy and operating reserves do not provide adequate incentives to stimulate the proper quantity or mix of generating capacity consistent with mandatory reliability criteria. A large part of the problem can be associated with the failure of wholesale spot market prices for energy and operating reserves to rise to high enough levels during periods when generating capacity is fully utilized. Reforms to wholesale energy markets, the introduction of well-design forward capacity markets, and symmetrical treatment of demand response and generating capacity resources to respond to market and institutional imperfections are discussed. This policy reform program is compatible with improving the efficiency of spot wholesale electricity markets, the continued evolution of competitive retail markets, and restores incentives for efficient investment in generating capacity consistent with operating reliability criteria applied by system operators. It also responds to investment disincentives that have been associated with volatility in wholesale energy prices, limited hedging opportunities and to concerns about regulatory opportunism. 1

Paul L. Joskow; Paul L. Joskow; Paul L. Joskow

2006-01-01T23:59:59.000Z

396

Electric Generation Expansion Analysis System a progress report on RPI 1529  

E-Print Network (OSTI)

The long and short term behavior of light water reactor stainless steel clad fuel has been investigated in order to establish more adequate or applicable operation/design criteria. The performance record of stainless steel ...

Stone and Webster Engineering Corporation.

1980-01-01T23:59:59.000Z

397

Optimal generation expansion planning with integration of variable renewables and bulk energy storage systems.  

E-Print Network (OSTI)

??Wind and solar energy are clean, free of fuel cost and likely to have great potential in the future. However, besides the technical difficulties associated… (more)

Hu, Zhouxing

2013-01-01T23:59:59.000Z

398

Designing effective and efficient incentive policies for renewable in generation expansion planning.  

E-Print Network (OSTI)

??We present a bilevel optimization approach to designing effective and efficient incentive policies for promoting renewable energy. The effectiveness of an incentive policy is its… (more)

Zhou, Ying

2010-01-01T23:59:59.000Z

399

[en] EXPANSION OF THE PEAK CAPACITY OF AN INTERCONNECTED HYDROELECTRIC GENERATING SYSTEM.  

E-Print Network (OSTI)

??[pt] Descreve-se uma metodologia para planejamento da expansão da capacidade de ponta em sistemas interligados de usinas hidroelétricas. O objetivo é determinar os geradores e… (more)

CRISTINA MARIA DE ANDRADE LEOPOLDINO

2006-01-01T23:59:59.000Z

400

Changes in the Economic Value of Variable Generation at High Penetration Levels: A Pilot Case Study of California  

E-Print Network (OSTI)

report, Utility Wind Integration Group, Reston, VA, Oct.B. Parsons. Utility wind integration and operating impactoperations: A review of wind integration studies to date.

Mills, Andrew

2013-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


401

Modeling and Analysis of Renewable Generation in a Sustainable Portfolio  

Science Conference Proceedings (OSTI)

This Technical Update reports the results of work to enhance EPRIs financial model of the U.S. electric sector by improving the representations for the role wind and biomass generation in the future U.S. generation mix. The model simulates generation capacity expansion and dispatch at the national and regional levels over the period 2010 to 2050. The model evaluates the possible effects of climate policy, renewable portfolio standard (RPS), energy efficiency, technology availability, and market scenarios...

2010-12-17T23:59:59.000Z

402

Black Thunder Coal Mine and Los Alamos National Laboratory experimental study of seismic energy generated by large scale mine blasting  

SciTech Connect

In an attempt to better understand the impact that large mining shots will have on verifying compliance with the international, worldwide, Comprehensive Test Ban Treaty (CTBT, no nuclear explosion tests), a series of seismic and videographic experiments has been conducted during the past two years at the Black Thunder Coal Mine. Personnel from the mine and Los Alamos National Laboratory have cooperated closely to design and perform experiments to produce results with mutual benefit to both organizations. This paper summarizes the activities, highlighting the unique results of each. Topics which were covered in these experiments include: (1) synthesis of seismic, videographic, acoustic, and computer modeling data to improve understanding of shot performance and phenomenology; (2) development of computer generated visualizations of observed blasting techniques; (3) documentation of azimuthal variations in radiation of seismic energy from overburden casting shots; (4) identification of, as yet unexplained, out of sequence, simultaneous detonation in some shots using seismic and videographic techniques; (5) comparison of local (0.1 to 15 kilometer range) and regional (100 to 2,000 kilometer range) seismic measurements leading to determine of the relationship between local and regional seismic amplitude to explosive yield for overburden cast, coal bulking and single fired explosions; and (6) determination of the types of mining shots triggering the prototype International Monitoring System for the CTBT.

Martin, R.L.; Gross, D. [Thunder Basin Coal Co., Wright, WY (United States); Pearson, D.C.; Stump, B.W. [Los Alamos National Lab., NM (United States); Anderson, D.P. [Southern Methodist Univ., Dallas, TX (United States). Dept. of Geological Sciences

1996-12-31T23:59:59.000Z

403

Transient Upwelling Generated by Two-Dimensional Atmospheric Forcing and Variability in the Coastline  

Science Conference Proceedings (OSTI)

The present paper deals with two-dimensional transient upwelling in a two-layer ocean of constant depth. Motions generated by several two-dimensional atmospheric forcings are investigated. Using asymptotic expansions in time, it is shown that the ...

Michel Crépon; Claude Richez

1982-12-01T23:59:59.000Z

404

A thyratron-based pulse generator for fundamental studies of NO{sub x} removal in nonthermal plasmas  

DOE Green Energy (OSTI)

In collaboration with the Army Research Laboratory (ARL), the National Institute of Standards and Technology (NIST), and McMaster University, the authors are investigating the removal of NOx from engine exhaust streams using nonthermal plasmas (NTPs). The near-term experiments focus on measuring temperature distributions and reactive species concentrations in electric discharge NTP reactors using laser induced fluorescence (LIF) and tunable diode laser absorption spectroscopy (TDLAS), with first experiments on LIF measurements of OH in a pulsed dielectric-barrier discharge. Because the self extinguishing microdischarges in a conventional (low frequency driven) barrier discharge are both short lived (a few to a few tens of nanoseconds) and randomly distributed in the process volume, it is difficult to measure the time-varying properties of the species produced by the plasma. To synchronize the plasma ignition with the optical diagnostics, a thyratron switched, high voltage pulse generator has been constructed to drive a small dielectric-barrier plasma cell. A fast rise time thyratron tube is used in a low inductance geometry to deliver a negative high voltage pulse to the cell. The output voltage pulse has a rise time of 6.5 ns, a peak voltage of 40 kV, and a repetition rate of 20 Hz. A microdischarge streamer occurs between the pin electrode and the glass barrier during the rise time of the voltage pulse. The delay between the input signal and the microdischarge is 250 ns with a jitter of 4 ns, thus allowing repetitive initiation of a microdischarge with low temporal jitter. The energy per pulse is obtained from the voltage and current versus time, v(t) and i(t), measured at the cell. The fast rising pulse also produces a higher E/N at breakdown in the discharge than in conventional NTP cells, which may affect the removal efficiency of pollutants.

Korzekwa, R.A.; Rosocha, L.A.

1997-09-01T23:59:59.000Z

405

Investigation of the effect of a circular patch of vegetation on turbulence generation and sediment deposition using four case studies  

E-Print Network (OSTI)

This study describes the spatial distribution of sediment deposition in the wake of a circular patch of model vegetation and the effect of the patch on turbulence and mean flow. Two difference types pf vegetation were used ...

Ortiz, Alejandra C

2012-01-01T23:59:59.000Z

406

SunShot Vision Study: A Comprehensive Analysis of the Potential for U.S. Solar Electricity Generation (Fact Sheet)  

DOE Green Energy (OSTI)

The SunShot Vision Study provides the most comprehensive assessment to date of the potential for solar technologies to meet a significant share of electricity demand in the United States during the next several decades.

Not Available

2012-06-01T23:59:59.000Z

407

Magnetocumulative generator  

DOE Patents (OSTI)

An improved magnetocumulative generator is described that is useful for producing magnetic fields of very high energy content over large spatial volumes. The polar directed pleated magnetocumulative generator has a housing providing a housing chamber with an electrically conducting surface. The chamber forms a coaxial system having a small radius portion and a large radius portion. When a magnetic field is injected into the chamber, from an external source, most of the magnetic flux associated therewith positions itself in the small radius portion. The propagation of an explosive detonation through high-explosive layers disposed adjacent to the housing causes a phased closure of the chamber which sweeps most of the magnetic flux into the large radius portion of the coaxial system. The energy content of the magnetic field is greatly increased by flux stretching as well as by flux compression. The energy enhanced magnetic field is utilized within the housing chamber itself.

Pettibone, J.S.; Wheeler, P.C.

1981-06-08T23:59:59.000Z

408

PLASMA GENERATOR  

DOE Patents (OSTI)

This patent describes apparatus for producing an electricity neutral ionized gas discharge, termed a plasma, substantially free from contamination with neutral gas particles. The plasma generator of the present invention comprises a plasma chamber wherein gas introduced into the chamber is ionized by a radiofrequency source. A magnetic field is used to focus the plasma in line with an exit. This magnetic field cooperates with a differential pressure created across the exit to draw a uniform and uncontaminated plasma from the plasma chamber.

Foster, J.S. Jr.

1958-03-11T23:59:59.000Z

409

Photon generator  

DOE Patents (OSTI)

A photon generator includes an electron gun for emitting an electron beam, a laser for emitting a laser beam, and an interaction ring wherein the laser beam repetitively collides with the electron beam for emitting a high energy photon beam therefrom in the exemplary form of x-rays. The interaction ring is a closed loop, sized and configured for circulating the electron beam with a period substantially equal to the period of the laser beam pulses for effecting repetitive collisions.

Srinivasan-Rao, Triveni (Shoreham, NY)

2002-01-01T23:59:59.000Z

410

Cluster generator  

DOE Patents (OSTI)

Described herein is an apparatus and a method for producing atom clusters based on a gas discharge within a hollow cathode. The hollow cathode includes one or more walls. The one or more walls define a sputtering chamber within the hollow cathode and include a material to be sputtered. A hollow anode is positioned at an end of the sputtering chamber, and atom clusters are formed when a gas discharge is generated between the hollow anode and the hollow cathode.

Donchev, Todor I. (Urbana, IL); Petrov, Ivan G. (Champaign, IL)

2011-05-31T23:59:59.000Z

411

PHOTOSPHERIC RADIUS EXPANSION IN SUPERBURST PRECURSORS FROM NEUTRON STARS  

Science Conference Proceedings (OSTI)

Thermonuclear runaway burning of carbon is in rare cases observed from accreting neutron stars as day-long X-ray flares called superbursts. In the few cases where the onset is observed, superbursts exhibit a short precursor burst at the start. In each instance, however, the data are of insufficient quality for spectral analysis of the precursor. Using data from the propane anti-coincidence detector of the Proportional Counter Array instrument on the Rossi X-ray Timing Explorer, we perform the first detailed time-resolved spectroscopy of precursors. For a superburst from 4U 1820-30 we demonstrate the presence of photospheric radius expansion. We find the precursor to be 1.4-2 times more energetic than other short bursts from this source, indicating that the burning of accreted helium is insufficient to explain the full precursor. Shock heating would be able to account for the shortfall in energy. We argue that this precursor is a strong indication that the superburst starts as a detonation, and that a shock induces the precursor. Furthermore, we employ our technique to study the superexpansion phase of the same superburst in greater detail.

Keek, L., E-mail: keek@nscl.msu.edu [National Superconducting Cyclotron Laboratory, Department of Physics and Astronomy, and Joint Institute for Nuclear Astrophysics, Michigan State University, East Lansing, MI 48824 (United States)

2012-09-10T23:59:59.000Z

412

The Role of Demand Resources In Regional Transmission Expansion Planning and Reliable Operations  

Science Conference Proceedings (OSTI)

Investigating the role of demand resources in regional transmission planning has provided mixed results. On one hand there are only a few projects where demand response has been used as an explicit alternative to transmission enhancement. On the other hand there is a fair amount of demand response in the form of energy efficiency, peak reduction, emergency load shedding, and (recently) demand providing ancillary services. All of this demand response reduces the need for transmission enhancements. Demand response capability is typically (but not always) factored into transmission planning as a reduction in the load which must be served. In that sense demand response is utilized as an alternative to transmission expansion. Much more demand response is used (involuntarily) as load shedding under extreme conditions to prevent cascading blackouts. The amount of additional transmission and generation that would be required to provide the current level of reliability if load shedding were not available is difficult to imagine and would be impractical to build. In a very real sense demand response solutions are equitably treated in every region - when proposed, demand response projects are evaluated against existing reliability and economic criteria. The regional councils, RTOs, and ISOs identify needs. Others propose transmission, generation, or responsive load based solutions. Few demand response projects get included in transmission enhancement plans because few are proposed. But this is only part of the story. Several factors are responsible for the current very low use of demand response as a transmission enhancement alternative. First, while the generation, transmission, and load business sectors each deal with essentially the same amount of electric power, generation and transmission companies are explicitly in the electric power business but electricity is not the primary business focus of most loads. This changes the institutional focus of each sector. Second, market and reliability rules have, understandably, been written around the capabilities and limitations of generators, the historic reliability resources. Responsive load limitations and capabilities are often not accommodated in markets or reliability criteria. Third, because of the institutional structure, demand response alternatives are treated as temporary solutions that can delay but not replace transmission enhancement. Financing has to be based on a three to five year project life as opposed to the twenty to fifty year life of transmission facilities. More can be done to integrate demand response options into transmission expansion planning. Given the societal benefits it may be appropriate for independent transmission planning organizations to take a more proactive role in drawing demand response alternatives into the resource mix. Existing demand response programs provide a technical basis to build from. Regulatory and market obstacles will have to be overcome if demand response alternatives are to be routinely considered in transmission expansion planning.

Kirby, Brendan J [ORNL

2006-07-01T23:59:59.000Z

413

HEAT GENERATION  

DOE Patents (OSTI)

Heat is generated by the utilization of high energy neutrons produced as by nuclear reactions between hydrogen isotopes in a blanket zone containing lithium, a neutron moderator, and uranium and/or thorium effective to achieve multtplicatton of the high energy neutron. The rnultiplied and moderated neutrons produced react further with lithium-6 to produce tritium in the blanket. Thermal neutron fissionable materials are also produced and consumed in situ in the blanket zone. The heat produced by the aggregate of the various nuclear reactions is then withdrawn from the blanket zone to be used or otherwise disposed externally. (AEC)

Imhoff, D.H.; Harker, W.H.

1963-12-01T23:59:59.000Z

414

Large diffusion expansion of the transition kernel of the Lévy Ornstein-Uhlenbeck process  

E-Print Network (OSTI)

In this paper we study the L\\'evy Ornstein- Uhlenbeck equation $\\partial_t X_t=-m\\,X_t+\\eta$. The transition kernel of the L\\'evy Ornstein- Uhlenbeck process is given by a series which is not convergent in general, a large diffusion expansion of the transition kernel of the L\\'evy Ornstein- Uhlenbeck process will be given as well. The obtained series can be re-expressed in terms of generalized Feynman graphs and Feynman rules.

Boubaker Smii

2010-04-14T23:59:59.000Z

415

Magnetocumulative generator  

DOE Patents (OSTI)

An improved magnetocumulative generator is described that is useful for producing magnetic fields of very high energy content over large spatial volumes. The polar directed pleated magnetocumulative generator has a housing (100, 101, 102, 103, 104, 105) providing a housing chamber (106) with an electrically conducting surface. The chamber (106) forms a coaxial system having a small radius portion and a large radius portion. When a magnetic field is injected into the chamber (106), from an external source, most of the magnetic flux associated therewith positions itself in the small radius portion. The propagation of an explosive detonation through high-explosive layers (107, 108) disposed adjacent to the housing causes a phased closure of the chamber (106) which sweeps most of the magnetic flux into the large radius portion of the coaxial system. The energy content of the magnetic field is greatly increased by flux stretching as well as by flux compression. The energy enhanced magnetic field is utilized within the housing chamber itself.

Pettibone, Joseph S. (Livermore, CA); Wheeler, Paul C. (Livermore, CA)

1983-01-01T23:59:59.000Z

416

ISW effect as probe of features in the expansion history of the Universe  

E-Print Network (OSTI)

In this paper, using and implementing a new line of sight CMB code, called CMBAns [1], that allow us to modify H(z) for any given feature at any redshift we study the effect of changes in the expansion history of the Universe on the CMB power spectrum. Motivated by the detailed analytical calculations of the effects of the changes in H(z) on ISW plateau and CMB low multipoles, we study two phenomenological parametric form of the expansion history using WMAP data and through MCMC analysis. Our MCMC analysis shows that the standard LCDM cosmological model is consistent with the CMB data allowing the expansion history of the Universe vary around this model at different redshifts. However, our analysis also show that a decaying dark energy model proposed in [2] has in fact a marginally better fit than the standard cosmological constant model to CMB data. Concordance of our studies here with the previous analysis showing that Baryon Acoustic Oscillation (BAO) and supernovae data (SN Ia) also prefer mildly this dec...

Das, Santanu; Souradeep, Tarun

2013-01-01T23:59:59.000Z

417

Oil Production Capacity Expansion Costs for the Persian Gulf  

Gasoline and Diesel Fuel Update (EIA)

TR/0606 TR/0606 Distribution Category UC-950 Oil Production Capacity Expansion Costs For The Persian Gulf January 1996 Energy Information Administration Office of Oil and Gas U.S. Department of Energy Washington, DC 20585 This report was prepared by the Energy Information Administration, the independent statistical and analytical agency within the Department of Energy. The information contained herein should not be construed as advocating or reflecting any policy position of the Department of Energy or any other organization. Energy Information Administration Oil Production Capacity Expansion Costs for the Persian Gulf iii Preface Oil Production Capacity Expansion Costs for the Persian Gulf provides estimates of development and operating costs for various size fields in countries surrounding the Persian

418

Expansion of the U.S. Natural Gas Pipeline Network:  

Gasoline and Diesel Fuel Update (EIA)

Expansion of the U.S. Natural Gas Pipeline Network: Expansion of the U.S. Natural Gas Pipeline Network: Additions in 2008 and Projects through 2011 This report examines new natural gas pipeline capacity added to the U.S. natural gas pipeline system during 2008. In addition, it discusses and analyzes proposed natural gas pipeline projects that may be developed between 2009 and 2011, and the market factors supporting these initiatives. Questions or comments on this article should be directed to Damien Gaul at damien.gaul@eia.doe.gov or (202) 586-2073. Robust construction of natural gas infrastructure in 2008 resulted in the completion of 84 pipeline projects in the lower 48 States, adding close to 4,000 miles of natural gas pipeline. These completions of new natural gas pipelines and expansions of existing pipelines in the United States

419

Motiva Enterprises Refinery Expansion Groundbreaking | Department of Energy  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Enterprises Refinery Expansion Groundbreaking Enterprises Refinery Expansion Groundbreaking Motiva Enterprises Refinery Expansion Groundbreaking December 10, 2007 - 4:44pm Addthis Remarks as Prepared for Secretary Bodman Thank you, Bill. It's good to see Congressman Poe, Rob Routs, Mr. Al-Khayyal and Mayor Prince here. Thank you all for inviting me to be part of this occasion. In 1901 Texas wildcatters struck oil near here at a place called Spindletop, setting off the Texas Oil Boom. Like the California Gold Rush some 50 years before, the Texas Oil Boom helped to build America. People moved across the country in search of prosperity. To achieve it, they needed to develop new technologies and build new infrastructure like the original parts of the Port Arthur refinery, which opened here in 1903. As America's need for energy expanded as our demand for oil and gas

420

EIS-0404: Los Vaqueros Reservoir Expansion Project, California | Department  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

404: Los Vaqueros Reservoir Expansion Project, California 404: Los Vaqueros Reservoir Expansion Project, California EIS-0404: Los Vaqueros Reservoir Expansion Project, California Summary This EIS/Environmental Impact Report was prepared by the Department of the Interior (Bureau of Reclamation, Mid-Pacific Region) and the Contra Costa Water District to evaluate the environmental impacts of a proposal to enlarge the existing Los Vaqueros Reservoir in Contra Costa County, California. DOE's Western Area Power Administration (Western) was a cooperating agency because it has jurisdiction over transmission facilities that were expected to be relocated under the proposed action. Based on project changes, however, Western has no action and therefore will not adopt the EIS or issue a ROD. Public Comment Opportunities No public comment opportunities available at this time.

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
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421

EIS-0488: Cameron Pipeline Expansion Project and Cameron LNG Liquefaction  

NLE Websites -- All DOE Office Websites (Extended Search)

88: Cameron Pipeline Expansion Project and Cameron LNG 88: Cameron Pipeline Expansion Project and Cameron LNG Liquefaction Project, Cameron Parish, LA EIS-0488: Cameron Pipeline Expansion Project and Cameron LNG Liquefaction Project, Cameron Parish, LA SUMMARY Federal Energy Regulatory Commission (FERC) is preparing an EIS, with DOE as a cooperating agency, to analyze the potential environmental impacts of a proposal to expand the existing Cameron Pipeline by 21 miles (from Calcasieu to Beauregard Parishes, Louisiana, with modifications in Cameron Parish), and expand an existing liquefied natural gas (LNG) import terminal in Cameron Parish, Louisiana, to enable the terminal to liquefy and export the LNG. PUBLIC COMMENT OPPORTUNITIES Comment Period Ends: 03/03/14 DOCUMENTS AVAILABLE FOR DOWNLOAD January 10, 2014

422

Heat Flow Database Expansion for NGDS Data Development, Collection and  

Open Energy Info (EERE)

Database Expansion for NGDS Data Development, Collection and Database Expansion for NGDS Data Development, Collection and Maintenance Geothermal Project Jump to: navigation, search Last modified on July 22, 2011. Project Title Heat Flow Database Expansion for NGDS Data Development, Collection and Maintenance Project Type / Topic 1 Recovery Act: Geothermal Technologies Program Project Type / Topic 2 Geothermal Data Development, Collection, and Maintenance Project Description In particular the efforts on document and core digitization, the recovery of the BEG geopressure data developed during the approximately $200 million project by DOE in the 1970-1980, the EGS data from the Fenton Hill experiments, and meta-data associated with US thermal mapping are crucial to be performed at this point because they are otherwise in danger of deterioration or complete loss.

423

EIS-0488: Cameron Pipeline Expansion Project and Cameron LNG Liquefaction  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

8: Cameron Pipeline Expansion Project and Cameron LNG 8: Cameron Pipeline Expansion Project and Cameron LNG Liquefaction Project, Cameron Parish, LA EIS-0488: Cameron Pipeline Expansion Project and Cameron LNG Liquefaction Project, Cameron Parish, LA SUMMARY Federal Energy Regulatory Commission (FERC) is preparing an EIS, with DOE as a cooperating agency, to analyze the potential environmental impacts of a proposal to expand the existing Cameron Pipeline by 21 miles (from Calcasieu to Beauregard Parishes, Louisiana, with modifications in Cameron Parish), and expand an existing liquefied natural gas (LNG) import terminal in Cameron Parish, Louisiana, to enable the terminal to liquefy and export the LNG. PUBLIC COMMENT OPPORTUNITIES None available at this time. DOCUMENTS AVAILABLE FOR DOWNLOAD August 13, 2012 EIS-0488: Notice of Intent to Prepare an Environmental Impact Statement

424

Microsoft Word - MunroControlCenterExpansionCX.docx  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

9, 2012 9, 2012 REPLY TO ATTN OF: KEC-4 SUBJECT: Environmental Clearance Memorandum Joseph Bebee TESF-CSB-2 Proposed Action: Munro Control Center Expansion Categorical Exclusion Applied (from Subpart D, 10 C.F.R. Part 1021): B1.15 Support Buildings Location: Spokane, Washington Proposed by: Bonneville Power Administration (BPA) Description of the Proposed Action: The proposed project includes a 30,000 square foot (sf) expansion to the east side of the existing building and a total of 53,500 sf of additional paved surfaces for access roads and parking to the north. All proposed activities would be on previously disturbed BPA property. The expansion of the existing Munro Control Center is to provide an alternate facility that would support critical BPA functions in the case of a major

425

Perturbation Expansion for Option Pricing with Stochastic Volatility  

E-Print Network (OSTI)

We fit the volatility fluctuations of the S&P 500 index well by a Chi distribution, and the distribution of log-returns by a corresponding superposition of Gaussian distributions. The Fourier transform of this is, remarkably, of the Tsallis type. An option pricing formula is derived from the same superposition of Black-Scholes expressions. An explicit analytic formula is deduced from a perturbation expansion around a Black-Scholes formula with the mean volatility. The expansion has two parts. The first takes into account the non-Gaussian character of the stock-fluctuations and is organized by powers of the excess kurtosis, the second is contract based, and is organized by the moments of moneyness of the option. With this expansion we show that for the Dow Jones Euro Stoxx 50 option data, a Delta-hedging strategy is close to being optimal.

Jizba, Petr; Haener, Patrick

2007-01-01T23:59:59.000Z

426

Cryogenic expansion joint for large superconducting magnet structures  

DOE Patents (OSTI)

An expansion joint is provided that accommodates dimensional changes occurring during the cooldown and warm-up of large cryogenic devices such as superconducting magnet coils. Flattened tubes containing a refrigerant such as gaseous nitrogen (N.sub.2) are inserted into expansion spaces in the structure. The gaseous N.sub.2 is circulated under pressure and aids in the cooldown process while providing its primary function of accommodating differential thermal contraction and expansion in the structure. After lower temperatures are reached and the greater part of the contraction has occured, the N.sub.2 liquefies then solidifies to provide a completely rigid structure at the cryogenic operating temperatures of the device.

Brown, Robert L. (Kingston, TN)

1978-01-01T23:59:59.000Z

427

Quantum Indeterminacy in Local Measurement of Cosmic Expansion  

E-Print Network (OSTI)

For a system of two small bodies in an expanding universe, bounds on mass and separation are estimated, from standard gravity and quantum mechanics, such that both their gravity and the process of quantum measurement affect their motion less than the cosmic expansion does. It is shown that such a direct local measurement of cosmic expansion or acceleration at rate $H$ is only possible, even in principle, in a region of size greater than $H^{-3/5}$ in Planck units, or about 60 meters in the current universe, a new scale that defines a boundary between quantum and classical expansion. A generalization to spatially extended linear density perturbations shows the same scale. Matching vacuum energy or directional information in localized field states to gravity on this system length scale yields a particle mass scale of $H^{3/10}$, or about 7 GeV today. Possible connections of cosmic acceleration with the QCD vacuum are discussed.

Craig J. Hogan

2013-12-30T23:59:59.000Z

428

Quantum indeterminacy in local measurement of cosmic expansion  

E-Print Network (OSTI)

For a system of two small bodies in an expanding universe, bounds on mass and separation are estimated, from standard gravity and quantum mechanics, such that both their gravity and the process of quantum measurement affect their motion less than the cosmic expansion does. It is shown that such a direct local measurement of cosmic expansion or acceleration at rate $H$ is only possible, even in principle, in a region of size greater than $H^{-3/5}$ in Planck units, or about 60 meters in the current universe, a new scale that defines a boundary between quantum and classical expansion. A generalization to spatially extended linear density perturbations shows the same scale. Matching vacuum energy or directional information in localized field states to gravity on this system length scale yields a particle mass scale of $H^{3/10}$, or about 7 GeV today. Possible connections of cosmic acceleration with the QCD vacuum are discussed.

Hogan, Craig J

2013-01-01T23:59:59.000Z

429

Perturbation Expansion for Option Pricing with Stochastic Volatility  

E-Print Network (OSTI)

We fit the volatility fluctuations of the S&P 500 index well by a Chi distribution, and the distribution of log-returns by a corresponding superposition of Gaussian distributions. The Fourier transform of this is, remarkably, of the Tsallis type. An option pricing formula is derived from the same superposition of Black-Scholes expressions. An explicit analytic formula is deduced from a perturbation expansion around a Black-Scholes formula with the mean volatility. The expansion has two parts. The first takes into account the non-Gaussian character of the stock-fluctuations and is organized by powers of the excess kurtosis, the second is contract based, and is organized by the moments of moneyness of the option. With this expansion we show that for the Dow Jones Euro Stoxx 50 option data, a Delta-hedging strategy is close to being optimal.

Petr Jizba; Hagen Kleinert; Patrick Haener

2007-08-22T23:59:59.000Z

430

Horse Hollow Expansion Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Horse Hollow Expansion Wind Farm Horse Hollow Expansion Wind Farm Facility Horse Hollow Expansion Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner NextEra Energy Resources Developer NextEra Energy Resources Energy Purchaser Market Location Near Abilene TX Coordinates 32.243193°, -100.265633° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":32.243193,"lon":-100.265633,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

431

Century Expansion (4Q07) Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Century Expansion (4Q07) Wind Farm Century Expansion (4Q07) Wind Farm Facility Century Expansion (4Q07) Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner MidAmerican Energy Developer MidAmerican Energy Energy Purchaser MidAmerican Energy Location IA Coordinates 42.495789°, -93.652368° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":42.495789,"lon":-93.652368,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

432

The thermal expansion coefficient as a key design parameter for thermoelectric materials and its relationship to processing-dependent bloating  

Science Conference Proceedings (OSTI)

The coefficient of thermal expansion (CTE) is a key design parameter for thermoelectric (TE) materials, especially in energy harvesting applications since stresses generated by CTE mismatch, thermal gradients, and thermal transients scale with the CTE of the TE material. For the PbTe PbS-based TE material (Pb 0.95 Sn 0.05 Te) 0.92(PbS) 0.08 0.055 % PbI 2 over the temperature ranges of 293 543 and 293 773 K, a CTE, alpha avg , of 21.4 0.3 x 10-6 K-1 was measured using (1) dilatometry and (2) high-temperature X-ray diffraction (HT-XRD) for powder and bulk specimens. The CTE values measured via dilatometry and HT-XRD are similar to the literature values for other Pb-based chalcogenides. However, the processing technique was found to impact the thermal expansion such that bloating (which leads to a hysteresis in thermal expansion) occurred for hot pressed billets heated to temperatures [603 K while specimens fabricated by pulsed electric current sintering and as-cast specimens did not show a bloating-modified thermal expansion even for temperatures up to 663 K. The relationship of bloating to the processing techniques is discussed, along with a pos- sible mechanism for inhibiting bloating in powder processed specimens.

Ni, Jennifer E. [Michigan State University, East Lansing; Case, Eldon D [Michigan State University, East Lansing; Schmidt, Robert [Michigan State University, East Lansing; Wu, Chun-I [Michigan State University, East Lansing; Hogan, Timothy [Michigan State University, East Lansing; Trejo, Rosa M [ORNL; Kirkham, Melanie J [ORNL; Lara-Curzio, Edgar [ORNL; Kanatzidis, Mercouri G. [Northwestern University, Evanston

2013-01-01T23:59:59.000Z

433

Properties of derivative expansion approximations to the renormalization group  

E-Print Network (OSTI)

Approximation only by derivative (or more generally momentum) expansions, combined with reparametrization invariance, turns the continuous renormalization group for quantum field theory into a set of partial differential equations which at fixed points become non-linear eigenvalue equations for the anomalous scaling dimension $\\eta$. We review how these equations provide a powerful and robust means of discovering and approximating non-perturbative continuum limits. Gauge fields are briefly discussed. Particular emphasis is placed on the r\\^ole of reparametrization invariance, and the convergence of the derivative expansion is addressed.

Tim R. Morris

1996-10-02T23:59:59.000Z

434

Biogass Generator  

NLE Websites -- All DOE Office Websites (Extended Search)

Another internet tool by: Another internet tool by: Build Your Own Page 1 of 5 Teach...build...learn...renewable energy! Biogas Generator A Renewable Energy Project Kit The Pembina Institute What Is Biogas? Biogas is actually a mixture of gases, usually carbon dioxide and methane. It is produced by a few kinds of microorganisms, usually when air or oxygen is absent. (The absence of oxygen is called "anaerobic conditions.") Animals that eat a lot of plant material, particularly grazing animals such as cattle, produce large amounts of biogas. The biogas is produced not by the cow or elephant, but by billions of microor- ganisms living in its digestive system. Biogas also develops in bogs and at the bottom of lakes, where decaying organic matter builds up under wet and

435

Nonabelian plasma instabilities in Bjorken expansion  

E-Print Network (OSTI)

Plasma instabilities are parametrically the dominant nonequilibrium dynamics of a weakly coupled quark-gluon plasma. In recent years the time evolution of the corresponding collective colour fields has been studied in stationary anisotropic situations. Here I report on recent numerical results on the time evolution of the most unstable modes in a longitudinally expanding plasma as they grow from small rapidity fluctuations to amplitudes where non-Abelian self-interactions become important.

Anton Rebhan

2008-10-15T23:59:59.000Z

436

Industrial gas turbines with subatmospheric expansion  

SciTech Connect

A modification is proposed to the basic Brayton cycle, by coupling the gas turbine with a jet pump. This allows subatmospheric pressure to exist at the exit of the turbine, a bigger turbine ratio and, hence, a higher efficiency. The jet pump operates with steam, produced from pressurized water heated by the exhaust gasses of the gas turbine. A simple configuration of the coupling is studied in detail.

Georgiou, D.P. (Patras Univ. (Greece))

1988-01-01T23:59:59.000Z

437

Underground collocation of nuclear power plant reactors and repository to facilitate the post-renaissance expansion of nuclear power  

SciTech Connect

Underground collocation of nuclear power reactors and the nuclear waste management facilities supporting those reactors, termed an underground nuclear park (UNP), appears to have several advantages compared to the conventional approach to siting reactors and waste management facilities. These advantages include the potential to lower reactor capital and operating cost, lower nuclear waste management cost, and increase margins of physical security and safety. Envirorunental impacts related to worker health, facility accidents, waste transportation, and sabotage and terrorism appear to be lower for UNPs compared to the current approach. In-place decommissioning ofUNP reactors appears to have cost, safety, envirorunental and waste disposal advantages. The UNP approach has the potential to lead to greater public acceptance for the deployment of new power reactors. Use of the UNP during the post-nuclear renaissance time frame has the potential to enable a greater expansion of U.S. nuclear power generation than might otherwise result. Technical and economic aspects of the UNP concept need more study to determine the viability of the concept.

Myers, Carl W [Los Alamos National Laboratory; Elkins, Ned Z [Los Alamos National Laboratory

2008-01-01T23:59:59.000Z

438

Generation -IV Reactor Concepts  

NLE Websites -- All DOE Office Websites (Extended Search)

Generation-IV Reactor Concepts Generation-IV Reactor Concepts Thomas H. Fanning Argonne National Laboratory 9700 South Cass Avenue Argonne, Illinois 60439, USA The Generation-IV International Forum (GIF) is a multi-national research and development (R&D) collaboration. The GIF pursues the development of advanced, next generation reactor technology with goals to improve: a) sustainability (effective fuel utilization and minimization of waste) b) economics (competitiveness with respect to other energy sources) c) safety and reliability (e.g., no need for offsite emergency response), and d) proliferation resistance and physical protection The GIF Technology Roadmap exercise selected six generic systems for further study: the Gas- cooled Fast Reactor (GFR), the Lead-cooled Fast Reactor (LFR), the Molten Salt Reactor (MSR),

439

Accuracy of truncated Leiden and Berlin virial expansions for pure gases and sealing joints between silicon carbide and stainless steel  

E-Print Network (OSTI)

Pure gases such as methane, carbon dioxide and steam were used to make comparisons between Leiden and Berlin virial expansions for the calculation of the compressibility factor, fugacity coefficient and enthalpy residual. Results show that the Leiden expansion is better than the Berlin expansion with truncation after the second virial coefficient for both expansions, and also with truncation after the third virial coefficient for both expansions. Also, joining techniques to join silicon carbide to steel were studied. Brazing is the technique more used, and several active filler metals such as Ag-Cu-In-Ti, Ag-Cu-Ti, plus carbon fibers Ag-Cu-Hf and Niobium were used. This review shows that the strength of the joint is affected by the amount of active filler metal in the alloy, heating element and atmosphere, composition and surface of SiC, thickness of the joint, and time. In general, brazing temperature is limited by the melting point of the filler metals, which is generally below 1000 ?C. An alternative to overcome this problem in brazing is using a functionally graded material (FGM) that is formed with the native elements. This FGM has one end of almost 100% stainless steel, which is joined using very well known processes of joining metals. The other end of the FGM, which is almost 100% SiC, is joined using a reaction-forming method that produces an interlayer of SiC plus Si and supports temperatures as high as 1350 ?C.

Santana Rodriguez, Gabriel Enrique

2003-01-01T23:59:59.000Z

440

Role of Renewable Energy in a Sustainable Generation Portfolio  

Science Conference Proceedings (OSTI)

This technical update report documents efforts to enhance and update the modeling of renewable generation options in EPRI's capacity expansion and dispatch financial model. Using this updated model, the possible effects on the U.S. electric sector of various scenarios for future federal renewable portfolio standard (RPS) and climate policies are evaluated and compared.

2008-01-30T23:59:59.000Z

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


441

Biogas-fueled Distributed Generation  

Science Conference Proceedings (OSTI)

This report is a case study of the use of digester gas produced at two wastewater treatment plants in Omaha, NE to fuel electric power generators.

2005-09-29T23:59:59.000Z

442

Century Expansion (08) Wind Farm | Open Energy Information  

Open Energy Info (EERE)

Century Expansion (08) Wind Farm Century Expansion (08) Wind Farm Jump to: navigation, search Name Century Expansion (08) Wind Farm Facility Century Expansion (08) Sector Wind energy Facility Type Commercial Scale Wind Facility Status In Service Owner MidAmerican Energy Developer MidAmerican Energy Energy Purchaser MidAmerican Energy Location IA Coordinates 42.504142°, -93.656316° Loading map... {"minzoom":false,"mappingservice":"googlemaps3","type":"ROADMAP","zoom":14,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"geoservice":"google","maxzoom":false,"width":"600px","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"copycoords":false,"static":false,"wmsoverlay":"","layers":[],"controls":["pan","zoom","type","scale","streetview"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"kml":[],"gkml":[],"fusiontables":[],"resizable":false,"tilt":0,"kmlrezoom":false,"poi":true,"imageoverlays":[],"markercluster":false,"searchmarkers":"","locations":[{"text":"","title":"","link":null,"lat":42.504142,"lon":-93.656316,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

443

Exploiting underrepresented query aspects for automatic query expansion  

Science Conference Proceedings (OSTI)

Users attempt to express their search goals through web search queries. When a search goal has multiple components or aspects, documents that represent all the aspects are likely to be more relevant than those that only represent some aspects. Current ... Keywords: aspect coverage, global document analysis, query expansion, web search

Daniel Wayne Crabtree; Peter Andreae; Xiaoying Gao

2007-08-01T23:59:59.000Z

444

Disaggregated memory for expansion and sharing in blade servers  

Science Conference Proceedings (OSTI)

Analysis of technology and application trends reveals a growing imbalance in the peak compute-to-memory-capacity ratio for future servers. At the same time, the fraction contributed by memory systems to total datacenter costs and power consumption during ... Keywords: disaggregated memory, memory blades, memory capacity expansion, power and cost efficiencies

Kevin Lim; Jichuan Chang; Trevor Mudge; Parthasarathy Ranganathan; Steven K. Reinhardt; Thomas F. Wenisch

2009-06-01T23:59:59.000Z

445

Prudhoe expansion. Sohio to triple North Slope presence  

Science Conference Proceedings (OSTI)

Sohio Alaska Petroleum Co. will spend $5.5 billion during the next 5 years to enhance and continue oil production at Prudhoe Bay where the company owns ca. 53% of the oil reserves. Sohio will nearly triple its physical presence on the Slope by the end of 1986, and almost double its Prudhoe staff during that period. A construction work force of between 1500 and 1700 will be required during the 5-year expansion period. Sohio's ongoing production of crude oil averages ca. 840,000 bpd. To continue at this rate, the company plans 29 separation projects on the Slope and completion of an estimated 265 wells over the next 5 years. Many of these projects will be completed over a 5- to 6-yr period. The following are several of Sohio's major 5-year plan projects: produced water expansion; wellpad manifolding; low pressure separation systems; production flowline expansion; artificial gas lift; west side waterflood; gas gathering line loop; west end development, Eileen area; and central power station expansion. A brief description of each project is given.

Not Available

1981-12-01T23:59:59.000Z

446

Skew-Radial Basis Function Expansions for Empirical Modeling  

Science Conference Proceedings (OSTI)

We propose a skew-radial basis function (sRBF) expansion for the empirical model fitting problem. sRBFs employ a standard radial term, which is now made asymmetric by modulating, or skewing it with another function. The additional parameters in the skewing ... Keywords: data fitting, data interpolation, function approximation, manifold learning, radial basis function, skew-radial basis function

Arta A. Jamshidi; Michael J. Kirby

2009-11-01T23:59:59.000Z

447

Exploration of Resource and Transmission Expansion Decisions in  

E-Print Network (OSTI)

coordination among renewable developers, utilities and transmission owners, resource and transmission planners for coordinating transmission expansion in the Western Interconnection. In this report we use a new tool developed Coordinating Council WEIL Western Electric Industry Leaders WGA Western Governors Association WREZ Western

448

Searching consumer image collections using web-based concept expansion  

Science Conference Proceedings (OSTI)

As consumers accumulate more and more personal imagery, searching for specific images has become increasingly difficult. Consumers typically provide little or no annotations, and automated classifiers and concept tagging tools are limited in their scope ... Keywords: concept expansion, flickr, image search, multimedia retrieval, multimedia search, semantic search, wordnet

Mark D. Wood; Alexander Loui; Stacie Hibino

2010-10-01T23:59:59.000Z

449

Distributional similarity vs. PU learning for entity set expansion  

Science Conference Proceedings (OSTI)

Distributional similarity is a classic technique for entity set expansion, where the system is given a set of seed entities of a particular class, and is asked to expand the set using a corpus to obtain more entities of the same class as represented ...

Xiao-Li Li; Lei Zhang; Bing Liu; See-Kiong Ng

2010-07-01T23:59:59.000Z

450

Financing Co-generation Projects  

E-Print Network (OSTI)

The 1980's will be a decade of intense adjustment by busine3s to the cost of money and energy. American Industry will require enormous amounts of capital for energy conservation to remain competitive. However, the average 3.8 percent after tax profit generated by energy intensive industries will not be sufficient to provide the capital required for both normal business expansion and energy conservation projects. Debt financing for energy saving equipment will adversely impact balance sheet figures and liquidity. It appears that only a few of the largest industrial firms have the cash flow to internally finance energy conserving cost reduction projects. These cost reduction projects will reinforce existing dominant cost advantages of industry leaders.

Young, R.

1982-01-01T23:59:59.000Z

451

Cluster virial expansion for the equation of state of partially ionized hydrogen plasma  

Science Conference Proceedings (OSTI)

We study the contribution of electron-atom interaction to the equation of state for partially ionized hydrogen plasma using the cluster-virial expansion. We use the Beth-Uhlenbeck approach to calculate the second virial coefficient for the electron-atom (bound cluster) pair from the corresponding scattering phase shifts and binding energies. Experimental scattering cross-sections as well as phase shifts calculated on the basis of different pseudopotential models are used as an input for the Beth-Uhlenbeck formula. By including Pauli blocking and screening in the phase shift calculation, we generalize the cluster-virial expansion in order to cover also near solid density plasmas. We present results for the electron-atom contribution to the virial expansion and the corresponding equation of state, i.e. pressure, composition, and chemical potential as a function of density and temperature. These results are compared with semiempirical approaches to the thermodynamics of partially ionized plasmas. Avoiding any ill-founded input quantities, the Beth-Uhlenbeck second virial coefficient for the electron-atom interaction represents a benchmark for other, semiempirical approaches.

Omarbakiyeva, Y. A. [Institute of Physics, University of Rostock, D-18051 Rostock (Germany); IETP, Al-Farabi Kazakh National University, 96a, Tole bi St., Almaty 050012 (Kazakhstan); Fortmann, C. [Department of Physics and Astronomy, University of California Los Angeles, Los Angeles, California 90095 (United States); Ramazanov, T. S. [IETP, Al-Farabi Kazakh National University, 96a, Tole bi St., Almaty 050012 (Kazakhstan); Roepke, G. [Institute of Physics, University of Rostock, D-18051 Rostock (Germany)

2010-08-15T23:59:59.000Z

452

Role of Future Generation and Energy Efficiency Options  

Science Conference Proceedings (OSTI)

This Technical Update provides results of various policy scenarios using EPRI's financial model of the U.S. electric sector for generation capacity expansion and dispatch at the national and regional levels. The model evaluates the possible effects of climate policy, renewable portfolio standard (RPS), energy efficiency, technology availability, and market scenarios on the deployment and operation of nuclear, fossil, and renewable generation options and on electricity prices, emissions, fuel use, and oth...

2009-11-30T23:59:59.000Z

453

Program on Technology Innovation: Alternative Approaches to Generation Adequacy Assurance  

Science Conference Proceedings (OSTI)

Reliability of electricity supply"keeping the lights on"has been the principal motivation for many technical and economic constraints imposed on market designs. While short-term operational reliability is provided by means of protection devices, operating standards, and procedures that include security-constrained dispatch and procurement of ancillary services, long-term generation adequacy requires investment in upgrading and expansion of generation capacity. In restructured electricity markets, such ex...

2007-12-12T23:59:59.000Z

454

Engineering Guide for Integration of Distributed Storage and Generation  

Science Conference Proceedings (OSTI)

This engineering guide for distributed storage and generation (DSG) is an update of a previous guide published by EPRI in 2004. It is intended for utility engineers facing integration of distributed generation and storage. The new guide considers higher penetration levels of DSG, particularly with the expansion of distribution connected photovoltaic power and the continued interest in distributed storage for grid support. Also, a distribution planning chapter for DSG has been added. Additional ...

2012-12-31T23:59:59.000Z

455

From paralyzing myths to expansive action: building computer-supported knowledge work into the curriculum from below  

Science Conference Proceedings (OSTI)

Technology-driven CSCL solutions are often difficult to integrate into the instructional practices of a school community. We report on an intervention study in a middle school where the entire teaching staff engaged in a year-long effort to change their ... Keywords: computer-supported knowledge work, expansive learning, school change

Yrjö Engeström; Ritva Engeström; Arja Suntio

2002-01-01T23:59:59.000Z

456

Planning for future uncertainties in electric power generation : an analysis of transitional strategies for reduction of carbon and sulfur emissions  

E-Print Network (OSTI)

The object of this paper is to identify strategies for the U.S. electric utility industry for reduction of both acid rain producing and global warming gases. The research used the EPRI Electric Generation Expansion Analysis ...

Tabors, Richard D.

1991-01-01T23:59:59.000Z

457

STEAM GENERATOR PRELIMINARY DESIGN  

SciTech Connect

A conceptual study on design of sodium-cooled reactor steam generators was conducted. Included is a detailed description of the preliminary design and analysis, based on the use of known materials and existing methods of fabrication. (See also APAE-41 Vols. I and III.) (J.R.D.)

1959-02-28T23:59:59.000Z

458

Canonizable partial order generators  

Science Conference Proceedings (OSTI)

In a previous work we introduced slice graphs as a way to specify both infinite languages of directed acyclic graphs (DAGs) and infinite languages of partial orders. Therein we focused on the study of Hasse diagram generators, i.e., slice graphs that ... Keywords: automata, canonization, partial orders

Mateus de Oliveira Oliveira

2012-03-01T23:59:59.000Z

459

Small Gas Turbines for Distributed Generation Markets: Technology, Products, and Business Issues  

Science Conference Proceedings (OSTI)

Small gas turbines (300 kW to 5 MW) offer an attractive way for utilities and energy service companies to generate electric power within distribution grids and for consumers to generate their own power. Distributed generation also benefits utilities by deferring or avoiding costly expansion of the power transmission and distribution system, which could allow them to offer customers lower cost power. Gas turbines process more power-generation cycle air per unit size and weight of machine than do reciproca...

2000-12-06T23:59:59.000Z

460

Carbon-free generation  

NLE Websites -- All DOE Office Websites (Extended Search)

Carbon-free generation Carbon-free generation Carbon-free central generation of electricity, either through fossil fuel combustion with carbon dioxide capture and storage or development of renewable sources such as solar, wind, and/or nuclear power, is key to our future energy portfolio. Brookhaven also provides tools and techniques for studying geological carbon dioxide sequestration and analyzing safety issues for nuclear systems. Our nation faces grand challenges: finding alternative and cleaner energy sources and improving efficiency to meet our exponentially growing energy needs. Researchers at Brookhaven National Laboratory are poised to meet these challenges with basic and applied research programs aimed at advancing the effective use of renewable energy through improved conversion,

Note: This page contains sample records for the topic "generation expansion study" from the National Library of EnergyBeta (NLEBeta).
While these samples are representative of the content of NLEBeta,
they are not comprehensive nor are they the most current set.
We encourage you to perform a real-time search of NLEBeta
to obtain the most current and comprehensive results.


461

Microsoft Word - PearlSubExpansion_CX.docx  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

3, 2012 3, 2012 REPLY TO ATTN OF: KEC-4 SUBJECT: Environmental Clearance Memorandum Johny Luiz - TEP-CSB-2 Proposed Action: Pearl Substation 500-kilovolt (kV) #6 Bay Addition Categorical Exclusion Applied (from Subpart D, 10 C.F.R. Part 1021): B4.6 Additions and modifications to transmission facilities Location: Clackamas County, Oregon Proposed by: Bonneville Power Administration (BPA) Description of the Proposed Action: The proposed project includes modification of existing substation equipment, the addition of a new 500-kV Bay 6, and a one-half acre yard expansion in the southwest corner of the substation. The yard expansion area is within BPA property, consists of mowed grass, and is to facilitate a 40 square foot addition to the Pearl Control House

462

Microsoft Word - CX_DeMoss_Substation_Expansion_130531  

Energy.gov (U.S. Department of Energy (DOE)) Indexed Site

Alaric Hsu Alaric Hsu Project Manager - TEP-CSB-2 Proposed Action: De Moss Substation Expansion Categorical Exclusion Applied (from Subpart D, 10 C.F.R. Part 1021): B4.6 Additions and modifications to transmission facilities Location: Sherman County, Oregon Proposed by: Bonneville Power Administration (BPA) Description of the Proposed Action: BPA proposes to expand its De Moss Substation yard located in Sherman County, Oregon. The expansion is necessary to install