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Note: This page contains sample records for the topic "limits limits limits" from the National Library of EnergyBeta (NLEBeta).
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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.


1

Limiter  

DOE Patents [OSTI]

A limiter with a specially contoured front face is provided. The front face of the limiter (the plasma-side face) is flat with a central indentation. In addition, the limiter shape is cylindrically symmetric so that the limiter can be rotated for greater heat distribution. This limiter shape accommodates the various power scrape-off distances lambda p, which depend on the parallel velocity, V/sub parallel/, of the impacting particles.

Cohen, S.A.; Hosea, J.C.; Timberlake, J.R.

1984-10-19T23:59:59.000Z

2

Limiter  

DOE Patents [OSTI]

A limiter with a specially contoured front face accommodates the various power scrape-off distances .lambda..sub.p, which depend on the parallel velocity, V.sub..parallel., of the impacting particles. The front face of the limiter (the plasma-side face) is flat with a central indentation. In addition, the limiter shape is cylindrically symmetric so that the limiter can be rotated for greater heat distribution.

Cohen, Samuel A. (Hopewell, NJ); Hosea, Joel C. (Princeton, NJ); Timberlake, John R. (Allentown, NJ)

1986-01-01T23:59:59.000Z

3

Limited Lawn & Limited Commercial  

E-Print Network [OSTI]

Limited Lawn & Ornamental Limited Commercial Landscape Maintenance Review and Exams Limited for Commercial Landscape Maintenance Application: http://www.flaes.org/ pdf/lndspckt.pdf Limited Certification.floridatermitehelp.org or request by phone at 850-921-4177. Limited Lawn & Ornamental/Limited Commercial Landscape Maintenance

Watson, Craig A.

4

Limited Lawn & Limited Commercial  

E-Print Network [OSTI]

Limited Lawn & Ornamental Limited Commercial Landscape Maintenance Review and Exams Limited-921-4177. Limited Lawn & Ornamental/Limited Commercial Landscape Maintenance: Ornamental and Turf Pest Control (SM 7&O/Structural only). See web locations below for applications. Limited Certification for Commercial Landscape

Jawitz, James W.

5

Dose Limits  

Broader source: Energy.gov [DOE]

Dose Limits ERAD (Question Posted to ERAD in May 2012) Who do you define as a member of the public for the onsite MEI? This question implies that there may be more than one maximally exposed individual (MEI), one on-site and one off-site, when demonstrating compliance with the Public Dose Limit of DOE Order 458.1. Although all potential MEIs should be considered and documented, as well as the calculated doses and pathways considered, the intent of DOE Order 458.1 is in fact to ultimately identify only one MEI, a theoretical individual who could be either on-site or off-site.

6

LANSCE beam current limiter  

SciTech Connect (OSTI)

The Radiation Security System (RSS) at the Los Alamos Neutron Science Center (LANSCE) provides personnel protection from prompt radiation due to accelerated beam. Active instrumentation, such as the Beam Current Limiter, is a component of the RSS. The current limiter is designed to limit the average current in a beam line below a specific level, thus minimizing the maximum current available for a beam spill accident. The beam current limiter is a self-contained, electrically isolated toroidal beam transformer which continuously monitors beam current. It is designed as fail-safe instrumentation. The design philosophy, hardware design, operation, and limitations of the device are described.

Gallegos, F.R.

1996-06-01T23:59:59.000Z

7

Limited Test Ban Treaty  

National Nuclear Security Administration (NNSA)

Detection System (USNDS), which monitors compliance with the international Limited Test Ban Treaty (LTBT). The LTBT, signed by 108 countries, prohibits nuclear testing in the...

8

Optical limiting materials  

DOE Patents [OSTI]

Optical limiting materials. Methanofullerenes, fulleroids and/or other fullerenes chemically altered for enhanced solubility, in liquid solution, and in solid blends with transparent glass (SiO.sub.2) gels or polymers, or semiconducting (conjugated) polymers, are shown to be useful as optical limiters (optical surge protectors). The nonlinear absorption is tunable such that the energy transmitted through such blends saturates at high input energy per pulse over a wide range of wavelengths from 400-1100 nm by selecting the host material for its absorption wavelength and ability to transfer the absorbed energy into the optical limiting composition dissolved therein. This phenomenon should be generalizable to other compositions than substituted fullerenes.

McBranch, Duncan W. (Santa Fe, NM); Mattes, Benjamin R. (Santa Fe, NM); Koskelo, Aaron C. (Los Alamos, NM); Heeger, Alan J. (Santa Barbara, CA); Robinson, Jeanne M. (Los Alamos, NM); Smilowitz, Laura B. (Los Alamos, NM); Klimov, Victor I. (Los Alamos, NM); Cha, Myoungsik (Goleta, CA); Sariciftci, N. Serdar (Santa Barbara, CA); Hummelen, Jan C. (Groningen, NL)

1998-01-01T23:59:59.000Z

9

Limited Commercial Maintenance (LCLM) Limited Lawn & Ornamental (LLO)  

E-Print Network [OSTI]

, Limited Commercial Landscape Maintenance, Ornamental & Turf, Private Ag, or General Standards CORE for Limited Commercial Landscape Maintenance (LCLM), you must attend all day to earn the 6 CEUs required. Limited Commercial Maintenance (LCLM) Limited Lawn & Ornamental (LLO) Training & Exams Date

Florida, University of

10

Security Clearances; Limitations  

Broader source: Energy.gov (indexed) [DOE]

SEC. 1072. SECURITY CLEARANCES; LIMITATIONS. SEC. 1072. SECURITY CLEARANCES; LIMITATIONS. (a) In General.-Title III of the Intelligence Reform and Terrorism Prevention Act of 2004 (50 U.S.C. 435b) is amended by adding at the end the following new section: "SEC. 3002. SECURITY CLEARANCES; LIMITATIONS. "(a) Definitions.-In this section: "(1) Controlled substance.-The term `controlled substance' has the meaning given that term in section 102 of the Controlled Substances Act (21 U.S.C. 802). "(2) Covered person.-The term `covered person' means- "(A) an officer or employee of a Federal agency; "(B) a member of the Army, Navy, Air Force, or Marine Corps who is on active duty or is in an active status; and "(C) an officer or employee of a contractor of a Federal agency.

11

Heat flux limiting sleeves  

DOE Patents [OSTI]

A heat limiting tubular sleeve extending over only a portion of a tube having a generally uniform outside diameter, the sleeve being open on both ends, having one end thereof larger in diameter than the other end thereof and having a wall thickness which decreases in the same direction as the diameter of the sleeve decreases so that the heat transfer through the sleeve and tube is less adjacent the large diameter end of the sleeve than adjacent the other end thereof.

Harris, William G. (Tampa, FL)

1985-01-01T23:59:59.000Z

12

Fault Current Limiters  

Broader source: Energy.gov (indexed) [DOE]

Fault Fault Current Limiters Superconducting & Solid-state Power Equipment Office of Electricity Delivery and Energy Reliability www.oe.energy.gov Office of Electricity Delivery and Energy Reliability, OE-1 U.S. Department of Energy - 1000 Independence Avenue, SW - Washington, DC 20585 Plugging America Into the Future of Power What are FCLs? A fault is an unintentional short circuit, or partial short-circuit, in an electric circuit. A variety of factors such as lightning, downed power lines, or crossed power lines cause faults. During a fault, excessive current-called fault current- flows through the electrical system often resulting in a failure of one section of that system by causing a

13

FED pumped limiter configuration issues  

SciTech Connect (OSTI)

Impurity control in the Fusion Engineering Device (FED) is provided by a toroidal belt pumped limiter. Limiter design issues addressed in this paper are (1) poloidal location of the limiter belt, (2) shape of the limiter surface facing the plasma, and (3) whether the belt is pumped from one or both sides. The criteria used for evaluation of limiter configuration features were sensitivity to plasma-edge conditions and ease of maintenance and fabrication. The evaluation resulted in the selection of a baseline FED limiter that is located at the bottom of the device and has a flat surface with a single leading edge.

Haines, J.R.; Fuller, G.M.

1983-01-01T23:59:59.000Z

14

Alliance fights limits on chlorofluorocarbons  

Science Journals Connector (OSTI)

Alliance fights limits on chlorofluorocarbons ... Efforts by the nascent Alliance for Responsible CFC Policy to curb the Environmental Protection Agency's plans to put more limits on chlorofluorocarbons are beginning to have results. ... The 400-member alliance was formed last August to fight EPA's avowed intention to limit production of CFC's in the U.S. to 30% of their present levels. ...

1981-03-02T23:59:59.000Z

15

Tropical Limit in Statistical Physics  

E-Print Network [OSTI]

Tropical limit for macroscopic systems in equilibrium defined as the formal limit of Boltzmann constant k going to 0 is discussed. It is shown that such tropical limit is well-adapted to analyse properties of systems with highly degenerated energy levels, particularly of frustrated systems like spin ice and spin glasses. Tropical free energy is a piecewise linear function of temperature, tropical entropy is a piecewise constant function and the system has energy for which tropical Gibbs' probability has maximum. Properties of systems in the points of jump of entropy are studied. Systems with finite and infinitely many energy levels and phenomena of limiting temperatures are discussed.

M. Angelelli; B. Konopelchenko

2015-02-04T23:59:59.000Z

16

Limitations on entropic Bell inequalities  

E-Print Network [OSTI]

The derivation of Bell inequalities in terms of quantum statistical (thermodynamic) entropies is considered. Inequalities of the Wigner form are derived but shown to be extremely limiting in their applicability due to the nature of the density matrices involved. This also helps to identify a limitation in the Cerf-Adami inequalities.

Ian T. Durham

2006-08-01T23:59:59.000Z

17

FUEL CASK IMPACT LIMITER VULNERABILITIES  

SciTech Connect (OSTI)

Cylindrical fuel casks often have impact limiters surrounding just the ends of the cask shaft in a typical 'dumbbell' arrangement. The primary purpose of these impact limiters is to absorb energy to reduce loads on the cask structure during impacts associated with a severe accident. Impact limiters are also credited in many packages with protecting closure seals and maintaining lower peak temperatures during fire events. For this credit to be taken in safety analyses, the impact limiter attachment system must be shown to retain the impact limiter following Normal Conditions of Transport (NCT) and Hypothetical Accident Conditions (HAC) impacts. Large casks are often certified by analysis only because of the costs associated with testing. Therefore, some cask impact limiter attachment systems have not been tested in real impacts. A recent structural analysis of the T-3 Spent Fuel Containment Cask found problems with the design of the impact limiter attachment system. Assumptions in the original Safety Analysis for Packaging (SARP) concerning the loading in the attachment bolts were found to be inaccurate in certain drop orientations. This paper documents the lessons learned and their applicability to impact limiter attachment system designs.

Leduc, D; Jeffery England, J; Roy Rothermel, R

2009-02-09T23:59:59.000Z

18

Nonlinear subcritical magnetohydrodynamic beta limit  

SciTech Connect (OSTI)

Published gyrokinetic simulations have had difficulty operating beyond about half the ideal magnetohydrodynamic (MHD) critical beta limit with stationary and low transport levels in some well-established reference cases. Here it is demonstrated that this limitation is unlikely due to numerical instability, but rather appears to be a nonlinear subcritical MHD beta limit[R. E. Waltz, Phys. Rev. Lett. 55, 1098 (1985)] induced by the locally enhanced pressure gradients from the diamagnetic component of the nonlinearly driven (zero frequency) zonal flows. Strong evidence that the zonal flow corrugated pressure gradient profiles can act as a MHD-like beta limit unstable secondary equilibrium is provided. It is shown that the addition of sufficient ExB shear or operation closer to drift wave instability threshold, thereby reducing the high-n drift wave turbulence nonlinear pumping of the zonal flows, can allow the normal high-n ideal MHD beta limit to be reached with low transport levels. Example gyrokinetic simulations of experimental discharges are provided: one near the high-n beta limit reasonably matches the low transport levels needed when the high experimental level of ExB shear is applied; a second experimental example at moderately high beta appears to be limited by the subcritical beta.

Waltz, R. E. [General Atomics, P.O. Box 85608, San Diego, California 92186-5608 (United States)

2010-07-15T23:59:59.000Z

19

Cognitive Limitations and Investment "Myopia"  

E-Print Network [OSTI]

Optimization of investment decisions in an uncertain and dynamically evolving environment is difficult due to the limitations of the decision maker’s cognitive capacity. Thus, actual investment decisions may deviate from ...

Chi, Tailan; Fan, Dashan

1997-01-01T23:59:59.000Z

20

Ecological Exposure Limits and Guidelines  

Science Journals Connector (OSTI)

Abstract Ecological exposure limits and guidelines represent the maximum level of a chemical substance that is considered to be safe or acceptable in environmental releases or compartments. The ecological exposure limits are established to protect the ecosystems and environmental resources and may refer to the emissions, e.g., effluents, atmospheric emissions or discharges, or to the final concentration in the receiving body, e.g., water, sediment, or soil. There are two main methods for setting these limits. One focuses on the identification of best available practices for different sectors and processes; the other is a particular case of risk assessment, named by some authors as reverse risk assessment, which establishes the maximum level in the emission or receiving compartment maintaining an acceptable level of risk. The term ‘exposure limit’ is rarely used in the ecological context; the most usual terms are criteria, standards, or objectives.

J.V. Tarazona

2014-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Hudol Limited | Open Energy Information  

Open Energy Info (EERE)

1TN Sector: Biomass Product: Wales-based firm with a licence that allows cost efficient gas production from biomass and Refuse derived Fuels (RDF). References: Hudol Limited1...

22

Extremal Limits and Kerr Spacetime  

E-Print Network [OSTI]

The fact that one must evaluate the near-extremal and near-horizon limits of Kerr space-time in a specific order, is shown to a lead to discontinuity in the extremal limit, such that this limiting space-time differs nontrivially from the precisely extremal space-time. This is established by first showing a discontinuity in the extremal limit of the maximal analytic extension of the Kerr geometry, given by Carter. Next, we examine the ISCO of the exactly extremal Kerr geometry and show that on the event horizon of the extremal Kerr black hole, it coincides with the principal null geodesic generator of the horizon, having vanishing energy and angular momentum. We find that there is no such ISCO in the near-extremal geometry, thus garnering additional support for our primary contention. We relate this disparity between the two geometries to the lack of a trapping horizon in the extremal situation.

Parthapratim Pradhan; Parthasarathi Majumdar

2011-08-11T23:59:59.000Z

23

Spitzer White Dwarf Planet Limits  

E-Print Network [OSTI]

We present preliminary limits on the presence of planets around white dwarf stars using the IRAC photometer on the Spitzer space telescope. Planets emit strongly in the mid-infrared which allows their presence to be detected as an excess at these wavelengths. We place limits of $5 M_J$ for 8 stars assuming ages of $1 Gyr$, and $10 M_J$ for 23 stars.We describe our survey, present our results and comment on approaches to improve our methodology.

F. Mullally; Ted von Hippel; D. E. Winget

2006-10-28T23:59:59.000Z

24

Ablamp Limited | Open Energy Information  

Open Energy Info (EERE)

Ablamp Limited Ablamp Limited Jump to: navigation, search Name Ablamp Limited Place Nanhai, Guangdong Province, China Sector Solar Product Manufacturer of energy-saving Compact Fluorescent Light Bulbs, solar-powered lights, LED bulbs, auto lamps and other speciality lamps. Coordinates 23.049681°, 113.173737° 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":23.049681,"lon":113.173737,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

25

Solfex Limited | Open Energy Information  

Open Energy Info (EERE)

Solfex Limited Solfex Limited Jump to: navigation, search Name Solfex Limited Address Energy Arena Bannister Hall Works Off Shop Lane, Higher Walton Preston, Lancashire PR5 4DZ Place Preston, United Kingdom Sector Solar Product Solar thermal collectors Phone number 01772 312847 Website http://www.solfex.co.uk/home.h Coordinates 53.743452°, -2.64416° 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":53.743452,"lon":-2.64416,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

26

Bioethanol Limited | Open Energy Information  

Open Energy Info (EERE)

Bioethanol Limited Bioethanol Limited Jump to: navigation, search Name Bioethanol Limited Place London, United Kingdom Zip SE1 7TJ Sector Renewable Energy Product Aims to develop a global renewable transport fuel business supplying primarily bioethanol but also biodiesel. Coordinates 51.506325°, -0.127144° 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":51.506325,"lon":-0.127144,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

27

Renpro Limited | Open Energy Information  

Open Energy Info (EERE)

Renpro Limited Renpro Limited Jump to: navigation, search Name Renpro Limited Place London, England, United Kingdom Zip WC2N 4JF Sector Renewable Energy Product String representation "Founded in 2005 ... newable energy." is too long. Coordinates 51.506325°, -0.127144° 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":51.506325,"lon":-0.127144,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

28

Review and Exams Limited Certification  

E-Print Network [OSTI]

__________________________________ Check which exam you will be taking: Commercial Landscape Maintenance Lawn & Ornamental CEU's ONLY 8 Limited Certification for Commercial Landscape Maintenance A license is necessary for each commercial landscape maintenance person who applies pesticides to ornamental plant beds. Application available at: http

Watson, Craig A.

29

Classical limits of unconstrained QFT  

E-Print Network [OSTI]

In nonrelativistic limits for states labeled by minimum packets with constrained spatial spreads and over a short term, states of unconstrained quantum field theories evolve on trajectories described by Newton's equations for the $1/r^2$ force. These states include bound solutions in the attractive force case.

Glenn Eric Johnson

2014-12-21T23:59:59.000Z

30

Definition: System Operating Limit | Open Energy Information  

Open Energy Info (EERE)

Operating Limit Operating Limit Jump to: navigation, search Dictionary.png System Operating Limit The value (such as MW, MVar, Amperes, Frequency or Volts) that satisfies the most limiting of the prescribed operating criteria for a specified system configuration to ensure operation within acceptable reliability criteria. System Operating Limits are based upon certain operating criteria. These include, but are not limited to: Facility Ratings (Applicable pre- and post- Contingency equipment or facility ratings), Transient Stability Ratings (Applicable pre- and post-Contingency Stability Limits), Voltage Stability Ratings (Applicable pre- and post- Contingency Voltage Stability), System Voltage Limits (Applicable pre- and post- Contingency Voltage Limits)[1] Also Known As SOL

31

Development of Superconducting AC Fault Current Limiter  

Science Journals Connector (OSTI)

The authors have developed a new superconducting fault current limiter whose impedance during normal operation is very small. During fault conditions, the limiter behaves as a superconducting reactor. The limiter

Daisuke Ito; Eriko Yoneda; Tsutomu Fujioka…

1990-01-01T23:59:59.000Z

32

Test on Superconducting AC Fault Current Limiter  

Science Journals Connector (OSTI)

The authors have developed a new superconducting fault current limiter whose impedance during normal operation is very small. During fault conditions, the limiter behaves as a superconducting reactor. The limiter

Daisuke Ito; Eriko S. Yoneda…

1990-01-01T23:59:59.000Z

33

Pure Phase Solubility Limits: LANL  

SciTech Connect (OSTI)

The natural and engineered system at Yucca Mountain (YM) defines the site-specific conditions under which one must determine to what extent the engineered and the natural geochemical barriers will prevent the release of radioactive material from the repository. Most important mechanisms for retention or enhancement of radionuclide transport include precipitation or co-precipitation of radionuclide-bearing solid phases (solubility limits), complexation in solution, sorption onto surfaces, colloid formation, and diffusion. There may be many scenarios that could affect the near-field environment, creating chemical conditions more aggressive than the conditions presented by the unperturbed system (such as pH changes beyond the range of 6 to 9 or significant changes in the ionic strength of infiltrated waters). For an extended period of time, the near-field water composition may be quite different and more extreme in pH, ionic strength, and CO{sub 2} partial pressure (or carbonate concentration) than waters at some distance from the repository. Reducing conditions, high pH (up to 11), and low carbonate concentration may be present in the near-field after reaction of infiltrating groundwater with engineered barrier systems, such as cementitious materials. In the far-field, conditions are controlled by the rock-mass buffer providing a near-neutral, oxidizing, low-ionic-strength environment that controls radionuclide solubility limits and sorption capacities. There is the need for characterization of variable chemical conditions that affect solubility, speciation, and sorption reactions. Modeling of the groundwater chemistry is required and leads to an understanding of solubility and speciation of the important radionuclides. Because experimental studies cannot be performed under the numerous potential chemical conditions, solubility limitations must rely on geochemical modeling of the radionuclide's chemistry. Fundamental thermodynamic properties, such as solubility products, complex stability constants, and redox potentials for radionuclides in different oxidation states, form the underlying database to be used for those calculations. The potentially low solubilities of many radionuclides in natural waters constitute the first barrier for their migration from the repository into the environment. Evaluation of this effect requires a knowledge of the site-specific water chemistry and the expected spatial and temporal ranges of its variability. Quantitative determinations of radionuclide solubility in waters within the range of chemistry must be made. Speciation and molecular complexation must be ascertained to interpret and apply solubility results. The solubilities thus determined can be used to assess the effectiveness of solubility in limiting radionuclide migration. These solubilities can also be used to evaluate the effectiveness of other retardation processes expected to occur once dissolution of the source material and migration begin. Understanding the solubility behavior of radionuclides will assist in designing valuable sorption experiments that must be conducted below the solubility limit since only soluble species participate in surface reactions and sorption processes. The present strategy for radionuclide solubility tasks has been to provide a solubility model from bulk-experiments that attempt to bracket the estimate made for this Analysis and Modeling Report (AMR) of water conditions on site. The long-term goal must be to develop a thermodynamic database for solution speciation and solid-state determination as a prerequisite for transport calculations and interpretation of empirical solubility data. The model has to be self-consistent and tested against known solubility studies in order to predict radionuclide solubilities over the continuous distribution ranges of potential water compositions for performance assessment of the site. Solubility studies upper limits for radionuclide concentrations in natural waters. The concentration in the aqueous phase is controlled by the radionuclide-bearing solid phase and by

C. Stockman

2001-01-26T23:59:59.000Z

34

Summary of Superconducting Fault Current Limiter Technology  

Science Journals Connector (OSTI)

In recent years, superconducting fault current limiter (SFCL) has become one of the forefront topics of current-limiting technology in the world. In this...

Linmang Wang; Pengzan Jiang; Dada Wang

2012-01-01T23:59:59.000Z

35

Colony Mills Limited | Open Energy Information  

Open Energy Info (EERE)

Limited Place: Lahore, Pakistan Sector: Solar Product: Yarn manufacturer, plans to set up solar thermal plant. References: Colony Mills Limited1 This article is a stub. You can...

36

Universal Carbon Credits Limited | Open Energy Information  

Open Energy Info (EERE)

Universal Carbon Credits Limited Jump to: navigation, search Name: Universal Carbon Credits Limited Place: London, England, United Kingdom Zip: EC3A6DF Sector: Carbon Product:...

37

Crionaig Power Limited | Open Energy Information  

Open Energy Info (EERE)

Crionaig Power Limited Jump to: navigation, search Name: Crionaig Power Limited Place: United Kingdom Sector: Wind energy Product: Edinburgh-based power company developing wind...

38

Local Generation Limited | Open Energy Information  

Open Energy Info (EERE)

Generation Limited Place: United Kingdom Sector: Biomass Product: UK-based biomass firm developing anaerobic digestion plants. References: Local Generation Limited1 This article...

39

Performance limits of heliostat fields  

SciTech Connect (OSTI)

Geometric and thermodynamic arguments are used to derive upper limits on the performance of a solar energy collection system, consisting of an axisymmetric heliostat field, a solar tower, secondary optics and a black receiver. Performance limits on collected power, concentration, and work output are presented. Performance of tower systems with several secondary optics options is compared: tower-top Compound Parabolic Concentrator (CPC), Tailored Edge-Ray Concentrator (TERC) approximated by a cone, and Cassegrainian with ground-level CPC or Compound Elliptic Concentrator (CEC). Optimized ray tracing is used to generate the design parameters of the secondary concentrators that yield the highest optical efficiency. The results show that the tower-top Cone provides the best performance regarding both concentration and efficiency, except for very large fields. The Cassegrainian designs come in second, but become equal and even better than the Cone for large fields. The results for the Cassegrainian are sensitive to the value of the reflectivity, due to the additional reflections incurred. The choice of a CEC is better than a CPC for the terminal concentration in a Cassegrainian system, but the difference is small. The suitability of the different design options for high-temperature solar applications is discussed. The recommendations regarding optical configuration depend on field size, as well as on application-specific constraints.

Kribus, A.; Krupkin, V.; Yogev, A. [Weizmann Inst. of Science, Rehovot (Israel). Environmental Sciences and Energy Research Dept.; Spirkl, W. [Ludwig-Maximilians-Univ. Muenchen (Germany). Sektion Physik

1998-11-01T23:59:59.000Z

40

Limited View Angle Iterative CT Reconstruction  

E-Print Network [OSTI]

;Some Prior Literature in Limited View Tomography CT with limited-angle data and few views IRR algorithm Iterative Reconstruction-Reprojection (IRR) : An Algorithm for Limited Data Cardiac- Computed-views and limited-angle data in divergent-beam CT by E. Y. Sidky, CM Kao, and X. Pan (2006) Few-View Projection

Note: This page contains sample records for the topic "limits limits limits" 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

Limits to power system growth  

SciTech Connect (OSTI)

In the design of space nuclear power systems a variety of conversion techniques may be used, each with its own advantages and disadvantages. A study was performed which analyzed over 120 proposed system designs. The designs were compared to identify the optimum conversion system as a function of power level and find limits to specific mass (kg/kWe) for each power cycle. Furthermore, the component masses were studied to determine which component of the overall design contributes the most to total system mass over a variety of power levels. The results can provide a focus for future research efforts by selecting the best conversion technology for the desired power range, and optimizing the system component which contributes most to the total mass.

Slater, S.M.; Klein, A.C. (Department of Nuclear Engineering, Oregon State University, Corvallis, Oregon 97331 (United States)); Webb, B.J. (Umpqua Research, Inc., P.O. Box 791, Myrtle Creek, Oregon 97457 (United States)); Pauley, K.A. (Battelle Pacific Northwest Laboratory, P.O. Box 999, Richland, Washington 99352 (United States))

1993-01-15T23:59:59.000Z

42

Photon and graviton mass limits  

SciTech Connect (OSTI)

We review past and current studies of possible long-distance, low-frequency deviations from Maxwell electrodynamics and Einstein gravity. Both have passed through three phases: (1) Testing the inverse-square laws of Newton and Coulomb, (2) Seeking a nonzero value for the rest mass of photon or graviton, and (3) Considering more degrees of freedom, allowing mass while preserving gauge or general-coordinate invariance. For electrodynamics there continues to be no sign of any deviation. Since our previous review the lower limit on the photon Compton wavelength (associated with weakening of electromagnetic fields in vacuum over large distance scale) has improved by four orders of magnitude, to about one astronomical unit. Rapid current progress in astronomical observations makes it likely that there will be further advances. These ultimately could yield a bound exceeding galactic dimensions, as has long been contemplated. Meanwhile, for gravity there have been strong arguments about even the concept of a graviton rest mass. At the same time there are striking observations, commonly labeled 'dark matter' and 'dark energy' that some argue imply modified gravity. This makes the questions for gravity much more interesting. For dark matter, which involves increased attraction at large distances, any explanation by modified gravity would be qualitatively different from graviton mass. Because dark energy is associated with reduced attraction at large distances, it might be explained by a graviton-mass-like effect.

Nieto, Michael [Los Alamos National Laboratory; Goldhaber Scharff, Alfred [SUNY

2008-01-01T23:59:59.000Z

43

Definition: Fault Current Limiter | Open Energy Information  

Open Energy Info (EERE)

Limiter Limiter Jump to: navigation, search Dictionary.png Fault Current Limiter A fault current limiter prevents current in an electrical circuit from exceeding a predetermined level by increasing the electrical impedance of that circuit before the current through the circuit exceeds that level. Fault current limiters are designed so as to minimize the impedance of the circuit under normal conditions to reduce losses, but increase the impedance of the circuit under fault conditions to limit fault current.[1] View on Wikipedia Wikipedia Definition A Fault Current Limiter (FCL) is a device which limits the prospective fault current when a fault occurs (e.g. in a power transmission network). The term includes superconducting devices and non-superconducting devices, however some of the more simple non-superconducting devices (such

44

Gujarat Ambuja Cements Limited | Open Energy Information  

Open Energy Info (EERE)

Ambuja Cements Limited Ambuja Cements Limited Jump to: navigation, search Name Gujarat Ambuja Cements Limited Place Mumbai, India Zip 400 021 Sector Biomass Product Indian cement company. the company installed a 24MW biomass based captive electric generating stations that will provide electricity to Gujarat Ambuja Cements Limitedâ€(tm)s (“GACL”) facility in Ropar, Punjab. References Gujarat Ambuja Cements Limited[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Gujarat Ambuja Cements Limited is a company located in Mumbai, India . References ↑ "Gujarat Ambuja Cements Limited" Retrieved from "http://en.openei.org/w/index.php?title=Gujarat_Ambuja_Cements_Limited&oldid=346290

45

Definition: Fault Current Limiting | Open Energy Information  

Open Energy Info (EERE)

Limiting Limiting Jump to: navigation, search Dictionary.png Fault Current Limiting Fault current limiting can be achieved through sensors, communications, information processing, and actuators that allow the utility to use a higher degree of network coordination to reconfigure the system to prevent fault currents from exceeding damaging levels. Fault current limiting can also be achieved through the implementation of special stand alone devices known as Fault Current Limiters (FCLs) which act to automatically limit high through currents that occur during faults.[1] Related Terms fault, fault current limiter References ↑ SmartGrid.gov 'Description of Functions' Temp LikeLike UnlikeLike You like this.Sign Up to see what your friends like. late:ISGANAttributionsmart grid,smart grid,smart grid,smart grid,

46

DENSITY LIMITS IN TOROIDAL PLASMAS MARTIN GREENWALD  

E-Print Network [OSTI]

(RFP) ---- Spheromaks and FRCs · Physics basis for density limit ---- Neutrals ---- Radiation models as fast terminations · Spheromak and FRC don't have density limit data operation at "optimized" density

Greenwald, Martin

47

Limited Liability Companies and Corporate Business Structures  

E-Print Network [OSTI]

This publication describes limited liability companies and corporate forms of business organization, including S-Corporations and C-Corporations....

Thompson, Bill; Polk, Wade; Hayenga, Wayne

2009-01-07T23:59:59.000Z

48

LIMITING ABSORPTION PRINCIPLE FOR SINGULARLY PERTURBED OPERATORS  

E-Print Network [OSTI]

LIMITING ABSORPTION PRINCIPLE FOR SINGULARLY PERTURBED OPERATORS WALTER RENGER Abstract. Given an operator H 1 for which a limiting absorption principle holds, we study operators H 2 which are produced that (except for possibly a discrete set of eigenvalues) a limiting absorption principle holds for H 2 . We

49

Carbon Trust Enterprises Limited | Open Energy Information  

Open Energy Info (EERE)

Enterprises Limited Enterprises Limited Jump to: navigation, search Name Carbon Trust Enterprises Limited Place London, United Kingdom Zip WC2A 2AZ Sector Carbon Product Carbon Trust Enterprises creates and invests in new, high growth, carbon reducing businesses. Typically the company focuses on use of mature technologies rather than on technology innovations. References Carbon Trust Enterprises Limited[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Carbon Trust Enterprises Limited is a company located in London, United Kingdom . References ↑ "Carbon Trust Enterprises Limited" Retrieved from "http://en.openei.org/w/index.php?title=Carbon_Trust_Enterprises_Limited&oldid=343250"

50

Impact Capital Partners Limited | Open Energy Information  

Open Energy Info (EERE)

Limited Limited Jump to: navigation, search Name Impact Capital Partners Limited Place Los Angeles, California Zip CA 90067-1509 Product Los Angeles-based, investment intermediary that designs financial solutions and innovative strategies for achieving sustained growth and intrinsic value. References Impact Capital Partners Limited[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Impact Capital Partners Limited is a company located in Los Angeles, California . References ↑ "Impact Capital Partners Limited" Retrieved from "http://en.openei.org/w/index.php?title=Impact_Capital_Partners_Limited&oldid=346814" Categories: Clean Energy Organizations Companies

51

Bharat Electronics Limited BEL | Open Energy Information  

Open Energy Info (EERE)

Limited BEL Limited BEL Jump to: navigation, search Name Bharat Electronics Limited (BEL) Place Bangalore, India Zip 560015 Sector Solar Product Major supplier of products and turnkey systems with expertise in solar products and systems, defence communication, radars & sensors, telecommunication, broadcasting equipments, e-governance networks and other components. References Bharat Electronics Limited (BEL)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Bharat Electronics Limited (BEL) is a company located in Bangalore, India . References ↑ "Bharat Electronics Limited (BEL)" Retrieved from "http://en.openei.org/w/index.php?title=Bharat_Electronics_Limited_BEL&oldid=342709

52

EU Energy Wind Limited | Open Energy Information  

Open Energy Info (EERE)

energy Product: The company will be concentrating initially on bringing an innovative composite wind tower to market. References: EU Energy (Wind) Limited1 This article is a...

53

Power Projects Limited | Open Energy Information  

Open Energy Info (EERE)

Power Projects Limited Address: PO Box 25456 Panama Street Place: Wellington Zip: 6146 Region: New Zealand Sector: Marine and Hydrokinetic Year Founded: 2001 Website: http:...

54

Unionmet Singapore Limited | Open Energy Information  

Open Energy Info (EERE)

search Name: Unionmet (Singapore) Limited Place: Singapore Zip: 68805 Product: A manufacturer and recycler of indium - a raw material for CIGS PV and also for most transparent...

55

Active tokamak limiters: Symmetrizing the edge plasma  

Science Journals Connector (OSTI)

The surface layers of tokamak plasmas are strongly unstable to low-frequency oscillations. The limiter, by imposing a nonaxisymmetric state in the plasma scrape-off layer, may increase the free energy driving the instabilities. An active, two-faced sandwich limiter is proposed to symmetrize the scrape-off layer, thereby minimizing the mismatch between the inner and outer tokamak states.

R. W. Motley

1981-10-01T23:59:59.000Z

56

Classification procedure in limited angle tomography system  

SciTech Connect (OSTI)

In this work we propose the use of limited angle reconstruction algorithms combined with a procedure for defect detection and feature evaluation in three dimensions. The procedure consists of the following steps: acquisition of the X-ray projections, approximated limited angle 3D image reconstruction, and image preprocessing and classification.

Chlewicki, W.; Baniukiewicz, P.; Chady, T.; Brykalski, A. [Faculty of Electrical Engineering, Westpomeranian University of Technology, Szczecin (Poland)

2011-06-23T23:59:59.000Z

57

The Newtonian limit at intermediate energies  

E-Print Network [OSTI]

We study the metric solutions for the gravitational equations in Modified Gravity Models (MGMs). In models with negative powers of the scalar curvature, we show that the Newtonian Limit (NL) is well defined as a limit at intermediate energies, in contrast with the usual low energy interpretation. Indeed, we show that the gravitational interaction is modified at low densities or low curvatures.

J. A. R. Cembranos

2005-07-09T23:59:59.000Z

58

Ultrasonic imaging with limited-diffraction beams  

E-Print Network [OSTI]

Limited-diffraction beams are a class of waves that may be localized in space and time. Theoretically, these beams are propagation invariant and can propagate to an infinite distance without spreading. In practice, when these beams are produced with wave sources of a finite aperture and energy, they have a very large depth of field, meaning that they can keep a small beam width over a large distance. Because of this property, limited-diffraction beams may have applications in various areas such as medical imaging and tissue characterization. In this paper, fundamentals of limited-diffraction beams are reviewed and the studies of these beams are put into a unified theoretical framework. Theory of limited-diffraction beams is further developed. New limited-diffraction solutions to Klein-Gordon Equation and Schrodinger Equation, as well as limited-diffraction solutions to these equations in confined spaces are obtained. The relationship between the transformation that converts any solutions to an (-1)-dimensional wave equation to limited-diffraction solutions of an -dimensional equation and the Lorentz transformation is clarified and extended. The transformation is also applied to the Klein-Gordon Equation. In addition, applications of limited-diffraction beams are summarized.

Jian-yu Lu

2006-03-28T23:59:59.000Z

59

CARD No. 31 Application of Release Limits  

E-Print Network [OSTI]

of calculating the release limits. Section 194.31 specifies that release limits should be calculated based a likelihood of less than one chance in 1,000 of exceeding ten times the quantities calculated according, in particular, the waste unit factor depends solely on the TRU component of waste. Section 194.31 requires

60

Undergraduate Program Time Limits and Work Schedules  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Time Limits and Work Schedules Time Limits and Work Schedules Undergraduate Program Time Limits and Work Schedules Point your career towards LANL: work with the best minds on the planet in an inclusive environment that is rich in intellectual vitality and opportunities for growth. Contact Student Programs (505) 665-8899 Email Time limits The length of participation in the undergraduate program is limited to a maximum of six years for students pursuing a bachelor's degree and three years for students pursuing an associate's degree. Work schedules Year-round students Students participating in some special undergraduate programs, post-baccalaureate appointments, post-master's appointments, and GRA students working on a thesis or dissertation are excluded from the 30-hour per week work restriction.

Note: This page contains sample records for the topic "limits limits limits" 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

Definition: Stability Limit | Open Energy Information  

Open Energy Info (EERE)

Limit Limit Jump to: navigation, search Dictionary.png Stability Limit The maximum power flow possible through some particular point in the system while maintaining stability in the entire system or the part of the system to which the stability limit refers.[1] Related Terms power, system, stability References ↑ Glossary of Terms Used in Reliability Standards An in LikeLike UnlikeLike You like this.Sign Up to see what your friends like. line Glossary Definition Retrieved from "http://en.openei.org/w/index.php?title=Definition:Stability_Limit&oldid=480505" Categories: Definitions ISGAN Definitions What links here Related changes Special pages Printable version Permanent link Browse properties 429 Throttled (bot load) Error 429 Throttled (bot load) Throttled (bot load)

62

Limited English Proficiency | Department of Energy  

Broader source: Energy.gov (indexed) [DOE]

Limited English Proficiency Limited English Proficiency Limited English Proficiency On August 11, 2000, President Clinton signed Executive Order 13166, "Improving Access to Services for Persons with Limited English Proficiency." The Executive Order requires federal agencies, including the Department of Energy, to examine the programs and services they provide, to determine whether there is a need for language assistance for persons with Limited English proficiency (LEP) related to their programs and services, and to develop and implement a system to provide language assistance to LEP persons (where necessary) to ensure they have meaningful access to their programs and services. The Executive Order also requires Federal agencies, including the Department of Energy, to provide guidance to recipients of

63

Graduate Program Time Limits and Work Schedules  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Time Limits and Work Schedules Time Limits and Work Schedules Graduate Program Time Limits and Work Schedules Point your career towards LANL: work with the best minds on the planet in an inclusive environment that is rich in intellectual vitality and opportunities for growth. Contact Student Programs (505) 665-8899 Email Time Limits The length of participation in the graduate program is limited as follows: With a bachelor's pursuing a master's degree: 4 years With a bachelor's pursuing a PhD: 7 years With a master's pursuing a second master's degree: 2 years With a master's pursuing a PhD: 4 years With a master's pursuing a master's and PhD in a new field: 6 years Students may remain in the GRA program for up to three months after receiving their PhD. Work schedules Year-round students Students participating in the MBA program, post-baccalaureate appointments,

64

Antiproton Limits on Decaying Gravitino Dark Matter  

E-Print Network [OSTI]

We report on constraints on the lifetime of decaying gravitino dark matter in models with bilinear R-parity violation derived from observations of cosmic-ray antiprotons with the PAMELA experiment. Performing a scan over a viable set of cosmic-ray propagation parameters we find lower limits ranging from $8\\times 10^{28}$s to $6\\times 10^{28}$s for gravitino masses from roughly 100 GeV to 10 TeV. Comparing these limits to constraints derived from gamma-ray and neutrino observations we conclude that the presented antiproton limits are currently the strongest and most robust limits on the gravitino lifetime in the considered mass range. These constraints correspond to upper limits on the size of the bilinear R-parity breaking parameter in the range of $10^{-8}$ to $8\\times 10^{-13}$.

Grefe, Michael

2014-01-01T23:59:59.000Z

65

4C Offshore Limited | Open Energy Information  

Open Energy Info (EERE)

4C Offshore Limited 4C Offshore Limited Jump to: navigation, search Name 4C Offshore Limited Place Suffolk, United Kingdom Country United Kingdom Product Project planning, consulting for offshore industries (wind, oil, gas) Year founded 2009 Company Type For Profit Company Ownership Private Small Business No Affiliated Companies 4C Offshore Limited Technology Offshore Wind Phone number +44 (0)1502 509260 Website http://www.4coffshore.com/ References 4C Offshore website[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. 4C Offshore Limited is a company based in Suffolk, United Kingdom. 4C Offshore is an independent marine consulting firm, that provides advice and consulting services in offshore development, particularly renewables and

66

Decoupling limits in multi-sector supergravities  

SciTech Connect (OSTI)

Conventional approaches to cosmology in supergravity assume the existence of multiple sectors that only communicate gravitationally. In principle these sectors decouple in the limit M{sub pl}??. In practice such a limit is delicate: for generic supergravities, where sectors are combined by adding their Kähler functions, the separate superpotentials must contain non-vanishing vacuum expectation values supplementing the naďve global superpotential. We show that this requires non-canonical scaling in the naďve supergravity superpotential couplings to recover independent sectors of globally supersymmetric field theory in the decoupling limit M{sub pl} ? ?.

Achúcarro, Ana; Hardeman, Sjoerd; Schalm, Koenraad; Aalst, Ted van der [Instituut-Lorentz for Theoretical Physics, Universiteit Leiden, Niels Bohrweg 2, Leiden (Netherlands); Oberreuter, Johannes M., E-mail: achucar@lorentz.leidenuniv.nl, E-mail: j.m.oberreuter@uva.nl, E-mail: kschalm@lorentz.leidenuniv.nl, E-mail: vdaalst@lorentz.leidenuniv.nl [Instituut voor Theoretische Fysica, Universiteit van Amsterdam, Science Park 904, Amsterdam (Netherlands)

2013-03-01T23:59:59.000Z

67

Carnegie Wave Energy Limited | Open Energy Information  

Open Energy Info (EERE)

Carnegie Wave Energy Limited Carnegie Wave Energy Limited Jump to: navigation, search Name Carnegie Wave Energy Limited Address 1 124 Stirling Highway Place North Fremantle Zip 6159 Sector Marine and Hydrokinetic Year founded 1993 Number of employees 25 Website http://www.carnegiewave.com Region Australia LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This company is listed in the Marine and Hydrokinetic Technology Database. This company is involved in the following MHK Projects: CETO La Reunion CETO3 Garden Island Perth Wave Energy Project PWEP This company is involved in the following MHK Technologies: CETO Wave Energy Technology This article is a stub. You can help OpenEI by expanding it. Retrieved from "http://en.openei.org/w/index.php?title=Carnegie_Wave_Energy_Limited&oldid=678263

68

Limitations and Failures of the Layzer Model  

SciTech Connect (OSTI)

We report several limitations and failure modes of the recently expanded Layzer model for hydrodynamic instabilities. The failures occur for large initial amplitudes, for stable accelerations, and for spikes in two-fluid systems.

Mikaelian, K O

2007-12-21T23:59:59.000Z

69

Climate Prediction: The Limits of Ocean Models  

E-Print Network [OSTI]

We identify three major areas of ignorance which limit predictability in current ocean GCMs. One is the very crude representation of subgrid-scale mixing processes. These processes are parameterized with coefficients whose ...

Stone, Peter H.

70

Limitations on Diversity in Basic Science Departments  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

ORIGINAL RESEARCH ARTICLE Limitations on Diversity in Basic Science Departments Phoebe S. Leboy 1,2, * and Janice F. Madden 3 It has been over 30 years since the beginning of...

71

Studies on the dynamics of limited filaments  

E-Print Network [OSTI]

A study on the dynamics of filaments in the presence of a diagnostic, conductive limiter is presented. Plasma filaments are coherent structures present in many fusion devices and transport a significant amount of particles ...

Bonde, Jeffrey David

2010-01-01T23:59:59.000Z

72

Language Modeling for limited-data domains  

E-Print Network [OSTI]

With the increasing focus of speech recognition and natural language processing applications on domains with limited amount of in-domain training data, enhanced system performance often relies on approaches involving model ...

Hsu, Bo-June (Bo-June Paul)

2009-01-01T23:59:59.000Z

73

Automated Operating Procedures for Transfer Limits  

E-Print Network [OSTI]

Automated Operating Procedures for Transfer Limits Final Project Report Power Systems Engineering · Illinois · Iowa State · Texas A&M · Washington State · Wisconsin Automated Operating Procedures

74

Infinite volume limit for the dipole gas  

E-Print Network [OSTI]

We consider a classical dipole gas in with low activity and show that the pressure has a limit as the volume goes to infinity. The result is obtained by a renormalization group analysis of the model.

J. Dimock

2009-04-28T23:59:59.000Z

75

Origin of Tokamak Density Limit Scalings  

Science Journals Connector (OSTI)

The onset criterion for radiation driven islands [P.?H. Rebut and M. Hugon, Plasma Physics and Controlled Nuclear Fusion Research 1984: Proc. 10th Int. Conf. London, 1984, (IAEA, Vienna, 1985), Vol. 2] in combination with a simple cylindrical model of tokamak current channel behavior is consistent with the empirical scaling of the tokamak density limit [M. Greenwald, Nucl. Fusion 28, 2199 (1988)]. Many other unexplained phenomena at the density limit are consistent with this novel physics mechanism.

D. A. Gates and L. Delgado-Aparicio

2012-04-20T23:59:59.000Z

76

Momentum Trading and Limits to Arbitrage  

E-Print Network [OSTI]

MOMENTUM TRADING AND LIMITS TO ARBITRAGE A Dissertation by WILLIAM JOSEPH ARMSTRONG Submitted to the O ce of Graduate Studies of Texas A&M University in partial ful llment of the requirements for the degree of DOCTOR OF PHILOSOPHY May 2012... Major Subject: Finance MOMENTUM TRADING AND LIMITS TO ARBITRAGE A Dissertation by WILLIAM JOSEPH ARMSTRONG Submitted to the O ce of Graduate Studies of Texas A&M University in partial ful llment of the requirements for the degree of DOCTOR...

Armstrong, William

2012-07-16T23:59:59.000Z

77

Limit theorems for stochastic approximation algorithms  

E-Print Network [OSTI]

We prove a central limit theorem applicable to one dimensional stochastic approximation algorithms that converge to a point where the error terms of the algorithm do not vanish. We show how this applies to a certain class of these algorithms that in particular covers a generalized P\\'olya urn model, which is also discussed. In addition, we show how to scale these algorithms in some cases where we cannot determine the limiting distribution but expect it to be non-normal.

Renlund, Henrik

2011-01-01T23:59:59.000Z

78

Limited-Notice Performance Test Inspectors Guide | Department...  

Office of Environmental Management (EM)

Limited-Notice Performance Test Inspectors Guide Limited-Notice Performance Test Inspectors Guide October 2014 This document describes the Limited-Notice Performance Testing...

79

HQFMSP Chapter 2, Limited Areas, Valut-Type Rooms and Temporary Limited  

Broader source: Energy.gov (indexed) [DOE]

2, Limited Areas, Valut-Type Rooms and Temporary 2, Limited Areas, Valut-Type Rooms and Temporary Limited Areas HQFMSP Chapter 2, Limited Areas, Valut-Type Rooms and Temporary Limited Areas October 2013 2013 Headquarters Facilities Master Security Plan - Chapter 2, Limited Areas, Valut-Type Rooms and Temporary Limited Areas This chapter covers the establishment, maintenance, and termination of areas within HQ buildings where classified activities take place. It covers the requirements applicable to each type of security area, including physical protection measures, controls on the use of electronic devices, restrictions on what security activities can take place, and what security equipment must be present. The procedures in this chapter were developed and are maintained jointly by HS-91 and the Office of Information Security

80

A brightness exceeding simulated Langmuir limit  

SciTech Connect (OSTI)

When an excitation of the first lens determines a beam is parallel beam, a brightness that is 100 times higher than Langmuir limit is measured experimentally, where Langmuir limits are estimated using a simulated axial cathode current density which is simulated based on a measured emission current. The measured brightness is comparable to Langmuir limit, when the lens excitation is such that an image position is slightly shorter than a lens position. Previously measured values of brightness for cathode apical radii of curvature 20, 60, 120, 240, and 480 ?m were 8.7, 5.3, 3.3, 2.4, and 3.9 times higher than their corresponding Langmuir limits, respectively, in this experiment, the lens excitation was such that the lens and the image positions were 180 mm and 400 mm, respectively. From these measured brightness for three different lens excitation conditions, it is concluded that the brightness depends on the first lens excitation. For the electron gun operated in a space charge limited condition, some of the electrons emitted from the cathode are returned to the cathode without having crossed a virtual cathode. Therefore, method that assumes a Langmuir limit defining method using a Maxwellian distribution of electron velocities may need to be revised. For the condition in which the values of the exceeding the Langmuir limit are measured, the simulated trajectories of electrons that are emitted from the cathode do not cross the optical axis at the crossover, thus the law of sines may not be valid for high brightness electron beam systems.

Nakasuji, Mamoru [2-15-11, Serigaya-chou, Kounan-ku, Yokohama-shi, Kanagawa-ken (Japan)] [2-15-11, Serigaya-chou, Kounan-ku, Yokohama-shi, Kanagawa-ken (Japan)

2013-08-15T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Fortune New Energy Limited | Open Energy Information  

Open Energy Info (EERE)

Fortune New Energy Limited Fortune New Energy Limited Jump to: navigation, search Name Fortune New Energy Limited Place Tianjin, Tianjin Municipality, China Sector Wind energy Product Tianjin-based wind project developer Coordinates 39.231831°, 117.878502° 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":39.231831,"lon":117.878502,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

82

EPR Ely Power Limited | Open Energy Information  

Open Energy Info (EERE)

EPR Ely Power Limited EPR Ely Power Limited Jump to: navigation, search Name EPR Ely Power Limited Place London, Greater London, United Kingdom Zip SW1Y 5AU Sector Biomass Product Owns and operates the Ely biomass power plant. Coordinates 51.506325°, -0.127144° 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":51.506325,"lon":-0.127144,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

83

Akhter Solar Limited | Open Energy Information  

Open Energy Info (EERE)

Akhter Solar Limited Akhter Solar Limited Jump to: navigation, search Name Akhter Solar Limited Place Islamabad, Pakistan Product Owns a 3MW module assembly line in Pakistan, which uses Q-Cells cells. Coordinates 33.709839°, 73.075912° 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":33.709839,"lon":73.075912,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

84

Central Electronics Limited CEL | Open Energy Information  

Open Energy Info (EERE)

Electronics Limited CEL Electronics Limited CEL Jump to: navigation, search Name Central Electronics Limited (CEL) Place Sahibabad, Uttar Pradesh, India Zip 201010 Sector Solar Product String representation "Sahibabad-based ... nment of India." is too long. Coordinates 28.67127°, 77.371002° 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":28.67127,"lon":77.371002,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

85

Acquasol Infrastructure Limited | Open Energy Information  

Open Energy Info (EERE)

Acquasol Infrastructure Limited Acquasol Infrastructure Limited Jump to: navigation, search Name Acquasol Infrastructure Limited Place Adelaide, South Australia, Australia Zip 5000 Sector Solar Product Adelaide based solar thermal project and technology developer. Coordinates -34.926102°, 138.599884° 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":-34.926102,"lon":138.599884,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

86

Biodiesel Energy Trading Limited | Open Energy Information  

Open Energy Info (EERE)

Limited Limited Jump to: navigation, search Name Biodiesel Energy Trading Limited Place London, United Kingdom Zip W1J 8DY Product London-based company focused on trading of biodiesel. Coordinates 51.506325°, -0.127144° 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":51.506325,"lon":-0.127144,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

87

Vihaan Networks Limited VNL | Open Energy Information  

Open Energy Info (EERE)

Vihaan Networks Limited VNL Vihaan Networks Limited VNL Jump to: navigation, search Name Vihaan Networks Limited (VNL) Place Gurgaon, Haryana, India Zip 122015 Sector Solar Product Developer of solar-powered GSM system for rural areas in India. Coordinates 28.55114°, 78.89427° 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":28.55114,"lon":78.89427,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

88

Amperex Technology Limited ATL | Open Energy Information  

Open Energy Info (EERE)

Amperex Technology Limited ATL Amperex Technology Limited ATL Jump to: navigation, search Name Amperex Technology Limited (ATL) Place N.T., Hong Kong Product Designer and manufacturer of Lithium Ion Polymer (LIP) battery cells and batteries for OEM customers making cell phones, PDA, notebook PC, earphone, and smart card applications. Coordinates 44.994023°, -72.407693° 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":44.994023,"lon":-72.407693,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

89

Armaec Energy Limited | Open Energy Information  

Open Energy Info (EERE)

Armaec Energy Limited Armaec Energy Limited Jump to: navigation, search Name Armaec Energy Limited Place Uxbridge, Greater London, United Kingdom Zip UB10 9NA Sector Wind energy Product London based wind farm developer with a focus on emerging markets such as Armenia, South Africa and India. Coordinates 42.060711°, -71.622467° 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":42.060711,"lon":-71.622467,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

90

Symphony Energy Resources Limited | Open Energy Information  

Open Energy Info (EERE)

Symphony Energy Resources Limited Symphony Energy Resources Limited Jump to: navigation, search Name Symphony Energy Resources Limited Place Borehamwood, United Kingdom Zip WD6 1LE Product String representation "Symphony Energy ... dable plastics." is too long. Coordinates 51.65582°, -0.275754° 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":51.65582,"lon":-0.275754,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

91

Mistral Invest Limited | Open Energy Information  

Open Energy Info (EERE)

Mistral Invest Limited Mistral Invest Limited Jump to: navigation, search Name Mistral Invest Limited Place London, United Kingdom Zip W1U 7DW Sector Wind energy Product Private Equity Fund aiming to build a portfolio of wind farms in the UK and France, participating early in the project development phase. Coordinates 51.506325°, -0.127144° 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":51.506325,"lon":-0.127144,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

92

Eclectic Energy Limited | Open Energy Information  

Open Energy Info (EERE)

Eclectic Energy Limited Eclectic Energy Limited Jump to: navigation, search Name Eclectic Energy Limited Place Nottinghamshire, United Kingdom Zip NG21 9PR Sector Wind energy Product Design, manufacture D400, StealthGen micro wind, DuoGen wind and water generators. Coordinates 53.145962°, -1.00554° 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":53.145962,"lon":-1.00554,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

93

Transmission Capital Limited | Open Energy Information  

Open Energy Info (EERE)

Capital Limited Capital Limited Jump to: navigation, search Name Transmission Capital Limited Place London, United Kingdom Zip EC2V 7HR Sector Renewable Energy, Services Product String representation "Provides adviso ... y arrangements." is too long. Coordinates 51.506325°, -0.127144° 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":51.506325,"lon":-0.127144,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

94

Trina Solar Limited | Open Energy Information  

Open Energy Info (EERE)

Trina Solar Limited Trina Solar Limited Jump to: navigation, search Name Trina Solar Limited Place Changzhou, Jiangsu Province, China Zip 213031 Sector Solar Product An integrated solar ingot, wafer, solar cell, module and system manufacturer. Coordinates 31.766211°, 119.94722° 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":31.766211,"lon":119.94722,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

95

Extremal limits and black hole entropy  

E-Print Network [OSTI]

Taking the extremal limit of a non-extremal Reissner-Nordstr\\"om black hole (by externally varying the mass or charge), the region between the inner and outer event horizons experiences an interesting fate -- while this region is absent in the extremal case, it does not disappear in the extremal limit but rather approaches a patch of $AdS_2\\times S^2$. In other words, the approach to extremality is not continuous, as the non-extremal Reissner-Nordstr\\"om solution splits into two spacetimes at extremality: an extremal black hole and a disconnected $AdS$ space. We suggest that the unusual nature of this limit may help in understanding the entropy of extremal black holes.

Sean M. Carroll; Matthew C. Johnson; Lisa Randall

2009-01-08T23:59:59.000Z

96

Detonation limits in rough walled tubes  

Science Journals Connector (OSTI)

Abstract The present paper reports the results of a study of detonation limits in rough tubes. Detonation velocity is measured by photodiodes and ionization probes spaced at 10 cm intervals along the length of the tube. Short lengths of smoked foils inserted into the core of the rough tube is used to register the structure of the detonation wave. Pressure transducers are also used to obtain the pressure profile. The results indicate that in rough tubes, the detonation velocity is generally much lower than the corresponding values for smooth tubes. The velocity decreases slowly at first and then more rapidly as the limit is approached. The velocity variation is generally continuous and at the limits, the failure velocity is of the order of about 0.4 V CJ for all cases. The detonation limits in rough tubes are found to be wider than for a smooth tube. This indicates that the turbulence generated by the wall roughness facilitates the propagation of the detonation and extends the limits. Smoked foil records show that in the core of the rough tube the detonation front has a cellular structure corresponding to the usual cellular structure due to instability of the detonation. Thus the intrinsic unstable cellular structure is quite robust and retains its global characteristics in spite of the large perturbations generated by the rough wall. The detonation in the core of the rough tube goes from multi-headed to single headed as the limit is approached. Past the single headed spin, the low velocity detonation has no cellular structure but consists of interacting weak transverse waves from the rough wall. The averaged pressure of the low velocity detonation front corresponds to about the constant volume explosion pressure, in accord with the velocity of the low velocity detonation.

Amanda Starr; John H.S. Lee; Hoi Dick Ng

2014-01-01T23:59:59.000Z

97

ON COMPUTING UPPER LIMITS TO SOURCE INTENSITIES  

SciTech Connect (OSTI)

A common problem in astrophysics is determining how bright a source could be and still not be detected in an observation. Despite the simplicity with which the problem can be stated, the solution involves complicated statistical issues that require careful analysis. In contrast to the more familiar confidence bound, this concept has never been formally analyzed, leading to a great variety of often ad hoc solutions. Here we formulate and describe the problem in a self-consistent manner. Detection significance is usually defined by the acceptable proportion of false positives (background fluctuations that are claimed as detections, or Type I error), and we invoke the complementary concept of false negatives (real sources that go undetected, or Type II error), based on the statistical power of a test, to compute an upper limit to the detectable source intensity. To determine the minimum intensity that a source must have for it to be detected, we first define a detection threshold and then compute the probabilities of detecting sources of various intensities at the given threshold. The intensity that corresponds to the specified Type II error probability defines that minimum intensity and is identified as the upper limit. Thus, an upper limit is a characteristic of the detection procedure rather than the strength of any particular source. It should not be confused with confidence intervals or other estimates of source intensity. This is particularly important given the large number of catalogs that are being generated from increasingly sensitive surveys. We discuss, with examples, the differences between these upper limits and confidence bounds. Both measures are useful quantities that should be reported in order to extract the most science from catalogs, though they answer different statistical questions: an upper bound describes an inference range on the source intensity, while an upper limit calibrates the detection process. We provide a recipe for computing upper limits that applies to all detection algorithms.

Kashyap, Vinay L.; Siemiginowska, Aneta [Smithsonian Astrophysical Observatory, 60 Garden Street, Cambridge, MA 02138 (United States); Van Dyk, David A.; Xu Jin [Department of Statistics, University of California, Irvine, CA 92697-1250 (United States); Connors, Alanna [Eureka Scientific, 2452 Delmer Street, Suite 100, Oakland, CA 94602-3017 (United States); Freeman, Peter E. [Department of Statistics, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, PA 15213 (United States); Zezas, Andreas, E-mail: vkashyap@cfa.harvard.ed, E-mail: asiemiginowska@cfa.harvard.ed, E-mail: dvd@ics.uci.ed, E-mail: jinx@ics.uci.ed, E-mail: aconnors@eurekabayes.co, E-mail: pfreeman@cmu.ed, E-mail: azezas@cfa.harvard.ed [Physics Department, University of Crete, P.O. Box 2208, GR-710 03, Heraklion, Crete (Greece)

2010-08-10T23:59:59.000Z

98

Helioseismic limit on heavy element abundance  

E-Print Network [OSTI]

Primary inversions of accurately measured solar oscillation frequencies coupled with the equations of thermal equilibrium and other input physics, enable us to infer the temperature and hydrogen abundance profiles inside the Sun. These profiles also help in setting constraints on the input physics as well as on heavy element abundance in the solar core. Using different treatments of plasma screening for nuclear reaction rates, limits on the cross-section of proton-proton nuclear reaction as a function of heavy element abundance in the solar core are obtained and an upper limit on heavy element abundance in the solar core is also derived from these results.

H. M. Antia; S. M. Chitre

2002-09-08T23:59:59.000Z

99

Environment--an elastic limit to growth  

Science Journals Connector (OSTI)

...could cope effectively with energy use and transportation problems...present special problems. Our energy and transport problems could...the LDCs are drawn within the ambit of industrial society, but...into the exploitable range. Energy need not be a limit if tech...

S Brubaker

1972-01-01T23:59:59.000Z

100

Quantum dynamics in the thermodynamic limit  

SciTech Connect (OSTI)

The description of spontaneous symmetry breaking that underlies the connection between classically ordered objects in the thermodynamic limit and their individual quantum-mechanical building blocks is one of the cornerstones of modern condensed-matter theory and has found applications in many different areas of physics. The theory of spontaneous symmetry breaking, however, is inherently an equilibrium theory, which does not address the dynamics of quantum systems in the thermodynamic limit. Here, we will use the example of a particular antiferromagnetic model system to show that the presence of a so-called thin spectrum of collective excitations with vanishing energy - one of the well-known characteristic properties shared by all symmetry-breaking objects - can allow these objects to also spontaneously break time-translation symmetry in the thermodynamic limit. As a result, that limit is found to be able, not only to reduce quantum-mechanical equilibrium averages to their classical counterparts, but also to turn individual-state quantum dynamics into classical physics. In the process, we find that the dynamical description of spontaneous symmetry breaking can also be used to shed some light on the possible origins of Born's rule. We conclude by describing an experiment on a condensate of exciton polaritons which could potentially be used to experimentally test the proposed mechanism.

Wezel, Jasper van [Theory of Condensed Matter, Cavendish Laboratory, University of Cambridge, Madingley Road, Cambridge CB3 0HE (United Kingdom)

2008-08-01T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

DISSOLVED CONCENTRATION LIMITS OF RADIOACTIVE ELEMENTS  

SciTech Connect (OSTI)

The purpose of this study is to evaluate dissolved concentration limits (also referred to as solubility limits) of elements with radioactive isotopes under probable repository conditions, based on geochemical modeling calculations using geochemical modeling tools, thermodynamic databases, field measurements, and laboratory experiments. The scope of this modeling activity is to predict dissolved concentrations or solubility limits for 14 elements with radioactive isotopes (actinium, americium, carbon, cesium, iodine, lead, neptunium, plutonium, protactinium, radium, strontium, technetium, thorium, and uranium) important to calculated dose. Model outputs for uranium, plutonium, neptunium, thorium, americium, and protactinium are in the form of tabulated functions with pH and log (line integral) CO{sub 2} as independent variables, plus one or more uncertainty terms. The solubility limits for the remaining elements are either in the form of distributions or single values. The output data from this report are fundamental inputs for Total System Performance Assessment for the License Application (TSPA-LA) to determine the estimated release of these elements from waste packages and the engineered barrier system. Consistent modeling approaches and environmental conditions were used to develop solubility models for all of the actinides. These models cover broad ranges of environmental conditions so that they are applicable to both waste packages and the invert. Uncertainties from thermodynamic data, water chemistry, temperature variation, and activity coefficients have been quantified or otherwise addressed.

NA

2004-11-22T23:59:59.000Z

102

States' authority to veto offshore leasing limited  

Science Journals Connector (OSTI)

States' authority to veto offshore leasing limited ... In a controversial, 5-to-4 decision, the U.S. Supreme Court has ruled that coastal states do not have the authority to veto most of the leases granted by the federal government for offshore drilling and oil and natural gas explorations. ...

1984-01-23T23:59:59.000Z

103

Incremental integrity checking: limitations and possibilities  

E-Print Network [OSTI]

the problem to query containment, we show that no procedure exists that always returns the best incremental measuring the checking effort. In spite of this theoretical limitation, we develop an effective procedure and also applies to recursive databases. Finally, we point out the improvements with respect to previous

Martinenghi, Davide

104

EU Verbraucherrechte Apple One-Year Limited  

E-Print Network [OSTI]

EU Verbraucherrechte Apple One-Year Limited Warranty AppleCare Protection Plan CC Service Pack, Kabel. Zusätzlich bei allen Macs: 1x Time Capsule oder 1x Airport Gerät sowie 1x Apple Display Macs u sowie 1x Apple Display Material- u. Herstellungsfehler. Keine Leistung für Verschlei�teile wie Akku

Fiebig, Peter

105

TRADEOFFS AND LIMITATIONS IN STATISTICALLY BASED IMAGE  

E-Print Network [OSTI]

Tomography (Compton SPECT) system is derived, and reconstructed images from both simulated and measured data of the projection data using vector quantizers. Asymptotic expressions for the loss in the KullbackTRADEOFFS AND LIMITATIONS IN STATISTICALLY BASED IMAGE RECONSTRUCTION PROBLEMS by Thomas J. Kragh

Hero, Alfred O.

106

Tidal Energy Limited | Open Energy Information  

Open Energy Info (EERE)

Tidal Energy Limited (TEL) Tidal Energy Limited (TEL) Place Cardiff, Wales, United Kingdom Zip CF23 8RS Product Tidal stream device developer. Coordinates 51.48125°, -3.180734° 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":51.48125,"lon":-3.180734,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

107

Information-Theoretic Limits of Control  

Science Journals Connector (OSTI)

Fundamental limits on the controllability of physical systems are discussed in the light of information theory. It is shown that the second law of thermodynamics, when generalized to include information, sets absolute limits to the minimum amount of dissipation required by open-loop control. In addition, an information-theoretic analysis of control systems shows feedback control to be a zero sum game: each bit of information gathered from a dynamical system by a control device can serve to decrease the entropy of that system by at most one bit additional to the reduction of entropy attainable without such information. Consequences for the control of discrete state systems and chaotic maps are discussed.

Hugo Touchette and Seth Lloyd

2000-02-07T23:59:59.000Z

108

Superconducting Fault Current Limiter for Transmission Voltage  

Science Journals Connector (OSTI)

Within a collaboration of American Superconductor, Siemens, Nexans and Southern California Edison one electrical phase of a resistive superconducting fault current limiter for the 115 kV transmission voltage level has been designed and manufactured. The active part of the limiter consists of 63 bifilar coils made of 12 mm wide steel-stabilized YBCO conductor and is housed in a cryostat operated at 5 bar and 74 K. The first phase was completely assembled and successfully subjected to power switching tests and high voltage tests. The basic design of the system and the test results are reported. The work was funded in part by US-DOE under Contract Number DE-FC26-07NT43243.

Hans-Peter Kraemer; Wolfgang Schmidt; Hong Cai; Bruce Gamble; David Madura; Tim MacDonald; Joe McNamara; Walther Romanosky; Greg Snitchler; Nicolas Lallouet; Frank Schmidt; Syed Ahmed

2012-01-01T23:59:59.000Z

109

How energy conservation limits our measurements  

E-Print Network [OSTI]

Observations in Quantum Mechanics are subject to complex restrictions arising from the principle of energy conservation. Determining such restrictions, however, has been so far an elusive task, and only partial results are known. In this paper we discuss how constraints on the energy spectrum of a measurement device translate into limitations on the measurements which we can effect on a target system with non-trivial energy operator. We provide efficient algorithms to characterize such limitations and we quantify them exactly when the target is a two-level quantum system. Our work thus identifies the boundaries between what is possible or impossible to measure, i.e., between what we can see or not, when energy conservation is at stake.

Miguel Navascues; Sandu Popescu

2012-11-09T23:59:59.000Z

110

12 Voltz Limited | Open Energy Information  

Open Energy Info (EERE)

Voltz Limited Voltz Limited Jump to: navigation, search Name 12 Voltz Limited Place Cumbria, United Kingdom Zip LA8 9NH Sector Renewable Energy, Solar, Wind energy Product Selling and delivering broad range of advanced energy generating systems and accessories including wind turbines, solar panels, batteries,regulators,and stables, and as well as developing renewable energy technology and related products. Coordinates 54.63044°, -2.89984° 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":54.63044,"lon":-2.89984,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

111

Energy Systems Limited ESL | Open Energy Information  

Open Energy Info (EERE)

Limited ESL Limited ESL Jump to: navigation, search Name Energy Systems Limited- ESL Place Kampala, Uganda Zip 25928 Sector Renewable Energy, Solar Product ESL deals with design, supply, installations and maintenance of solar and other renewable energy systems in Uganda. The company has a special focus on the remote rural communitiies within Uganda. Coordinates 0.3228°, 32.574841° 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":0.3228,"lon":32.574841,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

112

GenDrive Limited | Open Energy Information  

Open Energy Info (EERE)

GenDrive Limited GenDrive Limited Jump to: navigation, search Name GenDrive Limited Place Cambridge, United Kingdom Zip CB23 3GY Sector Renewable Energy, Solar, Wind energy Product Developing a range of grid-connected inverters, 'Plug & Play', for renewable energy (mostly solar and wind) systems. These are intended to improve ease of installation. Coordinates 43.003745°, -89.017499° 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":43.003745,"lon":-89.017499,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

113

Conduit Ventures Limited | Open Energy Information  

Open Energy Info (EERE)

Conduit Ventures Limited Conduit Ventures Limited Name Conduit Ventures Limited Address 59-61 Hatton Garden, Unit B, 2nd Floor Colonial Buildings Place London, United Kingdom Zip EC1N 8LS Product Venture capital funding for fuel cells and hydrogen. Phone number +44 (0) 20 7831 3131 Website http://www.conduit-ventures.co Coordinates 51.5179133°, -0.1097391° 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":51.5179133,"lon":-0.1097391,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

114

Limitations and improvements for harmonic generation measurements  

SciTech Connect (OSTI)

A typical acoustic harmonic generation measurement comes with certain limitations. Firstly, the use of the plane wave-based analysis used to extract the nonlinear parameter, ?, ignores the effects of diffraction, attenuation and receiver averaging which are common to most experiments, and may therefore limit the accuracy of a measurement. Secondly, the method usually requires data obtained from a through-transmission type setup, which may not be practical in a field measurement scenario where access to the component is limited. Thirdly, the technique lacks a means of pinpointing areas of damage in a component, as the measured nonlinearity represents an average over the length of signal propagation. Here we describe a three-dimensional model of harmonic generation in a sound beam, which is intended to provide a more realistic representation of a typical experiment. The presence of a reflecting boundary is then incorporated into the model to assess the feasibility of performing single-sided measurements. Experimental validation is provided where possible. Finally, a focusing acoustic source is modelled to provide a theoretical indication of the afforded advantages when the nonlinearity is localized.

Best, Steven; Croxford, Anthony; Neild, Simon [Department of Mechanical Engineering, Queens Building, University Walk, Bristol BS8 1TR (United Kingdom)

2014-02-18T23:59:59.000Z

115

SunDwel Solar Limited | Open Energy Information  

Open Energy Info (EERE)

SunDwel Solar Limited Jump to: navigation, search Logo: SunDwel Solar Limited Name: SunDwel Solar Limited Address: 1 Tower Road Place: Washington, United Kingdom Sector: Solar...

116

The Thermal Mass limit of Neutron Cores  

E-Print Network [OSTI]

Static thermal equilibrium of a quantum self-gravitating ideal gas in General Relativity is studied at any temperature, taking into account the Tolman-Ehrenfest effect. Thermal contribution to the gravitational stability of static neutron cores is quantified. The curve of maximum mass with respect to temperature is reported. At low temperatures is recovered the Oppenheimer-Volkoff calculation, while at high temperatures is recovered the, recently reported, classical gas calculation. An ultimate upper mass limit $M = 2.43M_\\odot$ of all maximum values is found to occur at Tolman temperature $ T = 1.27mc^2$ with radius $R = 15.2km$.

Roupas, Zacharias

2014-01-01T23:59:59.000Z

117

New limits for neutrinoless tau decays  

E-Print Network [OSTI]

double beta decays, neutrino oscillations, Z!l11l22 decays, and other rare pro- cesses. In particular, there are strict limits on muon neutrino- less decays: B(m!eg),4.9310211 and B(m!eee),2.4 310212 at 90% confidence level @18#. However, lepton num- ber... particles and on the new coupling constants. The most optimistic branching fraction predictions are at the level of about 1026. Constraints on lepton flavor violation come from studies of rare and forbidden K , p, and m decays, e-m conversions, neutrinoless...

Ammar, Raymond G.; Baringer, Philip S.; Bean, Alice; Besson, David Zeke; Coppage, Don; Darling, C.; Davis, Robin E. P.; Kotov, S.; Kravchenko, I.; Kwak, Nowhan; Zhou, L.

1998-05-01T23:59:59.000Z

118

Fault current limiters and power switches  

SciTech Connect (OSTI)

Five papers give an overview of the Los Alamos National Lab`s collaboration with private industry and universities in developing High-Temperature Superconductor (HTS) Devices. Highlighted is the lab`s general approach and technical progress towards: design and fabrication of HTS current leads; high gradient magnetic separation for treatment of drinking and waste water; development of coils based on superconductor tape windings; testing of a HTS fault current limiter; and AC loss measuments of multifilament layered HTS conductors. Listed for each of these projects are commercial and university research/development partners along with the proposed projects for FY 1995.

Boenig, H. [Los Alamos National Lab., NM (United States)

1994-07-29T23:59:59.000Z

119

Pinch current limitation effect in plasma focus  

Science Journals Connector (OSTI)

The Lee model couples the electrical circuit with plasma focusdynamics thermodynamics and radiation. It is used to design and simulate experiments. A beam-target mechanism is incorporated resulting in realistic neutron yield scaling with pinch current and increasing its versatility for investigating all Mather-type machines. Recent runs indicate a previously unsuspected “pinch current limitation” effect. The pinch current does not increase beyond a certain value however low the static inductance is reduced to. The results indicate that decreasing the present static inductance of the PF1000 machine will neither increase the pinch current nor the neutron yield contrary to expectations.

S. Lee; S. H. Saw

2008-01-01T23:59:59.000Z

120

Geriatrics and the Limits of Modern Medicine  

Science Journals Connector (OSTI)

...preferably, meta-analyses of those trials. But subjects over the age of 75 years are rarely found in such trials, thus rendering this population invisible to scientific medicine. If we teach only what we know, and if we know only what we can measure in clinical trials, then we can say little of importance... Like a number of geriatricians, I have come to believe that modern medicine does not work well for old people. Old patients serve as a mirror, reflecting the limitations and sometimes the absurdities of modern medicine. There are three areas that are ...

Goodwin J.S.

1999-04-22T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Southwest Wind Farm Private Limited ESS ARR Group | Open Energy...  

Open Energy Info (EERE)

Private Limited ESS ARR Group Jump to: navigation, search Name: Southwest Wind Farm Private Limited (ESS ARR Group) Place: Coimbatore, Tamil Nadu, India Zip: 641402 Sector: Wind...

122

Memorandum for the Secretary (Limited Waiver of Ethics Pledge...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

for the Secretary (Limited Waiver of Ethics Pledge Restriction) Memorandum for the Secretary (Limited Waiver of Ethics Pledge Restriction) Secretary Ernest J. Moniz was sworn into...

123

DP CleanTech Company Limited | Open Energy Information  

Open Energy Info (EERE)

DP CleanTech Company Limited Jump to: navigation, search Name: DP CleanTech Company Limited Place: Chaoyang District, Beijing Municipality, China Sector: Biomass Product:...

124

Huaneng Shouguang Wind Power Company Limited | Open Energy Information  

Open Energy Info (EERE)

Shouguang Wind Power Company Limited Jump to: navigation, search Name: Huaneng Shouguang Wind Power Company Limited Place: Shouguang, Shandong Province, China Sector: Wind energy...

125

Liaoning Shenhua Xiehe Wind Power Investment Limited | Open Energy...  

Open Energy Info (EERE)

Xiehe Wind Power Investment Limited Jump to: navigation, search Name: Liaoning Shenhua Xiehe Wind Power Investment Limited Place: Liaoning Province, China Sector: Wind energy...

126

An Assessment of Fault Current Limiter Testing Requirements ...  

Broader source: Energy.gov (indexed) [DOE]

An Assessment of Fault Current Limiter Testing Requirements An Assessment of Fault Current Limiter Testing Requirements The U.S. Department of Energy's (DOE) Office of Electricity...

127

Study of Superconducting Fault Current Limiter Using Saturated Magnetic Core  

Science Journals Connector (OSTI)

This paper presents a saturated magnetic core superconducting current limiter (SCSFCL) operation simulation results using finite element technique. The superconducting current limiter uses BSCCO tape to produce m...

F. Fajoni; E. Ruppert; C. A. Baldan…

2014-11-01T23:59:59.000Z

128

Limited Test Ban Treaty | National Nuclear Security Administration  

National Nuclear Security Administration (NNSA)

Photo Gallery Jobs Apply for Our Jobs Our Jobs Working at NNSA Blog Home Limited Test Ban Treaty Limited Test Ban Treaty US Air Force Launches Satellite Carrying...

129

Mark Caffarey, UMICORE, "Opportunities and Limits to Recycling...  

Broader source: Energy.gov (indexed) [DOE]

Mark Caffarey, UMICORE, "Opportunities and Limits to Recycling of Critical Materials for Clean Energies Mark Caffarey, UMICORE, "Opportunities and Limits to Recycling of Critical...

130

Sree Rayalseema Green Energy Limited | Open Energy Information  

Open Energy Info (EERE)

Rayalseema Green Energy Limited Jump to: navigation, search Name: Sree Rayalseema Green Energy Limited Place: Gooty, Andhra Pradesh, India Zip: 515 402 Sector: Biomass Product: A...

131

Karnataka Power Corporation Limited and National Thermal Power...  

Open Energy Info (EERE)

Limited and National Thermal Power Corporation JV Jump to: navigation, search Name: Karnataka Power Corporation Limited and National Thermal Power Corporation JV Place: India...

132

Factorization of tree QCD amplitudes in the high-energy limit and in the collinear limit  

E-Print Network [OSTI]

In the high-energy limit, we compute the gauge-invariant three-parton forward clusters, which in the BFKL theory constitute the tree parts of the NNLO impact factors. In the triple collinear limit, we obtain the polarized double-splitting functions. For the unpolarized and the spin-correlated double-splitting functions, our results agree with the ones obtained by Campbell-Glover and Catani-Grazzini, respectively. In addition, we compute the four-gluon forward cluster, which in the BFKL theory forms the tree part of the NNNLO gluonic impact factor. In the quadruple collinear limit we obtain the unpolarized triple-splitting functions, while in the limit of a three-parton central cluster we derive the Lipatov vertex for the production of three gluons, relevant for the calculation of a BFKL ladder at NNLL accuracy. Finally, motivated by the reorganization of the color in the high-energy limit, we introduce a color decomposition of the purely gluonic tree amplitudes in terms of the linearly independent subamplitudes only.

Vittorio Del Duca; Alberto Frizzo; Fabio Maltoni

1999-10-12T23:59:59.000Z

133

Limiting characteristics of the superconducting fault current limiter applied to the neutral line of conventional transformer  

Science Journals Connector (OSTI)

Abstract The increased electricity demands influenced by the recent industrial development make the electric power distribution system more comprehensive, and the risks are high to cause failures to steady state electric line due to the extended range of fault at the time of fault occurrence. Also, the high performance and the high precision electric appliances that sensitive to switching surge and fault current expose vulnerability of reduced life span and increased fault occurrence ratio. Therefore, this thesis analyzed the fault limiting characteristics by the fault types by applying the superconducting fault current limiter to the neutral line of the transformer in order to reduce the fault currents that flow such high performance appliances. A current transformer (CT) that detects the fault current in the simulated power distribution system, a switching control system that is self-developed and a transformer are used in constructing a circuit. When a fault occurs, the initial fault current is restricted by the superconducting fault current limiter and simultaneously detours the fault current by operating the SCR contact of the switching control system through the detection by CT. This thesis analyzed the limiting characteristics of the superconducting fault current limiter that are applied to the neutral line of the transformer by the fault types.

I.G. Im; H.S. Choi; B.I. Jung

2013-01-01T23:59:59.000Z

134

Remotely replaceable tokamak plasma limiter tiles  

DOE Patents [OSTI]

U-shaped limiter tiles placed end-to-end over a pair of parallel runners secured to a wall have two rods which engage L-shaped slots in the runners. The short receiving legs of the L-shaped slots are perpendicular to the wall and open away from the wall, while long retaining legs are parallel to and adjacent the wall. A sliding bar between the runners has grooves with clips to retain the rods pressed into receiving legs of the L-shaped slots in the runners. Sliding the bar in the direction of retaining legs of the L-shaped slots latches the tiles in place over the runners. Resilient contact strips between the parallel arms of the U-shaped tiles and the wall assure thermal and electrical contact with the wall.

Tsuo, Simon (Lakewood, CO), Langford, Alison A. (Boulder, CO)

1989-01-01T23:59:59.000Z

135

Neutral depletion and the helicon density limit  

SciTech Connect (OSTI)

It is straightforward to create fully ionized plasmas with modest rf power in a helicon. It is difficult, however, to create plasmas with density >10{sup 20} m{sup ?3}, because neutral depletion leads to a lack of fuel. In order to address this density limit, we present fast (1 MHz), time-resolved measurements of the neutral density at and downstream from the rf antenna in krypton helicon plasmas. At the start of the discharge, the neutral density underneath the antenna is reduced to 1% of its initial value in 15 ?s. The ionization rate inferred from these data implies that the electron temperature near the antenna is much higher than the electron temperature measured downstream. Neutral density measurements made downstream from the antenna show much slower depletion, requiring 14 ms to decrease by a factor of 1/e. Furthermore, the downstream depletion appears to be due to neutral pumping rather than ionization.

Magee, R. M.; Galante, M. E.; Carr, J. Jr.; Lusk, G.; McCarren, D. W.; Scime, E. E. [West Virginia University, Morgantown, West Virginia 26506 (United States)] [West Virginia University, Morgantown, West Virginia 26506 (United States)

2013-12-15T23:59:59.000Z

136

Authorized limits for Fernald copper ingots  

SciTech Connect (OSTI)

This development document contains data and analysis to support the approval of authorized limits for the unrestricted release of 59 t of copper ingots containing residual radioactive material from the U.S. Department of Energy (DOE) Fernald Environmental Management Project (FEMP). The analysis presented in this document comply with the requirements of DOE Order 5400.5, {open_quotes}Radiation Protection of the Public and the Environment,{close_quotes} as well as the requirements of the proposed promulgation of this order as 10 CFR Part 834. The document was developed following the step-by-step process described in the Draft Handbook for Controlling Release for Reuse or Recycle Property Containing Residual Radioactive Material.

Frink, N.; Kamboj, S.; Hensley, J.; Chen, S.Y.

1997-09-01T23:59:59.000Z

137

Novel 3-Phase Inductive Fault Current Limiter  

Science Journals Connector (OSTI)

The paper describes the inductive three-phase fault current limiter. In this work I examine the novel arrangements of the perfect closed superconducting loop made of HTS wire. I applied one iron core with 3 limbs and special loops for uniform temperature of the superconducting wire. In this work I present the results of my experiments with this device. I present the static and dynamic measured results of this solution. It has got several advantages e. g. fast switching and less fault power for high-power electric machines. The advantage of the equipment is that in the case of single-phase short circuit the current will decrease in all the three phases. This can be an appropriate solution for high power machines. For example, in the case of high-power electric motor if there is a single-phase breaking or a single phase short circuit, we can decrease the current in the three phases.

Janos Kosa

2012-01-01T23:59:59.000Z

138

Quantum limits to estimation of photon deformation  

E-Print Network [OSTI]

We address potential deviations of radiation field from the bosonic behaviour and employ local quantum estimation theory to evaluate the ultimate bounds to precision in the estimation of these deviations using quantum-limited measurements on optical signals. We consider different classes of boson deformation and found that intensity measurement on coherent or thermal states would be suitable for their detection making, at least in principle, tests of boson deformation feasible with current quantum optical technology. On the other hand, we found that the quantum signal-to-noise ratio (QSNR) is vanishing with the deformation itself for all the considered classes of deformations and probe signals, thus making any estimation procedure of photon deformation inherently inefficient. A partial way out is provided by the polynomial dependence of the QSNR on the average number of photon, which suggests that, in principle, it would be possible to detect deformation by intensity measurements on high-energy thermal states.

Giovanni De Cillis; Matteo G. A. Paris

2014-07-08T23:59:59.000Z

139

Alternative Fuels Data Center: Limited Speed Vehicle Access to Roadways  

Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

Limited Speed Vehicle Limited Speed Vehicle Access to Roadways to someone by E-mail Share Alternative Fuels Data Center: Limited Speed Vehicle Access to Roadways on Facebook Tweet about Alternative Fuels Data Center: Limited Speed Vehicle Access to Roadways on Twitter Bookmark Alternative Fuels Data Center: Limited Speed Vehicle Access to Roadways on Google Bookmark Alternative Fuels Data Center: Limited Speed Vehicle Access to Roadways on Delicious Rank Alternative Fuels Data Center: Limited Speed Vehicle Access to Roadways on Digg Find More places to share Alternative Fuels Data Center: Limited Speed Vehicle Access to Roadways on AddThis.com... More in this section... Federal State Advanced Search All Laws & Incentives Sorted by Type Limited Speed Vehicle Access to Roadways A limited speed vehicle is defined as a vehicle that is capable of

140

The limits of the nuclear landscape  

SciTech Connect (OSTI)

In 2011, 100 new nuclides were discovered1. They joined the approximately 3,000 stable and radioactive nuclides that either occur naturally on Earth or are synthesized in the laboratory2,3. Every atomic nucleus, characterized by a specific number of protons and neutrons, occupies a spot on the chart of nuclides, which is bounded by drip lines indicating the values of neutron and proton number at which nuclear binding ends. The placement of the neutron drip line for the heavier elements is based on theoretical predictions using extreme extrapolations, and so is uncertain. However, it is not known how uncertain it is or how many protons and neutrons can be bound in a nucleus. Here we estimate these limits of the nuclear landscape and provide statistical and systematic uncertainties for our predictions. We use nuclear density functional theory, several Skyrme interactions and high-performance computing, and find that the number of bound nuclides with between 2 and 120 protons is around 7,000. We find that extrapolations for drip-line positions and selected nuclear properties, including neutron separation energies relevant to astrophysical processes, are very consistent between the models used.

Nazarewicz, Witold [ORNL; Erler, J. [Oak Ridge National Laboratory (ORNL); Birge, N. [University of Tennessee, Knoxville (UTK); Kortelainen, E. M. [University of Tennessee (UTK) and Oak Ridge National Laboratory (ORNL); Olsen, E. [University of Tennessee, Knoxville (UTK); Perhac, A. [University of Tennessee, Knoxville (UTK); Stoitsov, M. [University of Tennessee (UTK) and Oak Ridge National Laboratory (ORNL)

2012-01-01T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

The ultimate downscaling limit of FETs.  

SciTech Connect (OSTI)

We created a highly efficient, universal 3D quant um transport simulator. We demonstrated that the simulator scales linearly - both with the problem size (N) and number of CPUs, which presents an important break-through in the field of computational nanoelectronics. It allowed us, for the first time, to accurately simulate and optim ize a large number of realistic nanodevices in a much shorter time, when compared to other methods/codes such as RGF[~N 2.333 ]/KNIT, KWANT, and QTBM[~N 3 ]/NEMO5. In order to determine the best-in-class for different beyond-CMOS paradigms, we performed rigorous device optimization for high-performance logic devices at 6-, 5- and 4-nm gate lengths. We have discovered that there exists a fundamental down-scaling limit for CMOS technology and other Field-Effect Transistors (FETs). We have found that, at room temperatures, all FETs, irre spective of their channel material, will start experiencing unacceptable level of thermally induced errors around 5-nm gate lengths.

Mamaluy, Denis; Gao, Xujiao; Tierney, Brian David

2014-10-01T23:59:59.000Z

142

Prospects and Limitations of Algorithmic Cooling  

E-Print Network [OSTI]

Heat-bath algorithmic cooling (AC) of spins is a theoretically powerful effective cooling approach, that (ideally) cools spins with low polarization exponentially better than cooling by reversible entropy manipulations alone. Here, we investigate the limitations and prospects of AC. For non-ideal and semioptimal AC, we study the impact of finite relaxation times of reset and computation spins on the achievable effective cooling. We derive, via simulations, the attainable cooling levels for given ratios of relaxation times using two semioptimal practicable algorithms. We expect this analysis to be valuable for the planning of future experiments. For ideal and optimal AC, we make use of lower bounds on the number of required reset steps, based on entropy considerations, to present important consequences of using AC as a tool for improving signal-to-noise ratio in liquid-state magnetic resonance spectroscopy. We discuss the potential use of AC for noninvasive clinical diagnosis and drug monitoring, where it may have significantly lower specific absorption rate (SAR) with respect to currently used methods.

Gilles Brassard; Yuval Elias; Tal Mor; Yossi Weinstein

2014-04-27T23:59:59.000Z

143

Flow reversal power limit for the HFBR  

SciTech Connect (OSTI)

The High Flux Beam Reactor (HFBR) is a pressurized heavy water moderated and cooled research reactor that began operation at 40 MW. The reactor was subsequently upgraded to 60 MW and operated at that level for several years. The reactor undergoes a buoyancy-driven reversal of flow in the reactor core following certain postulated accidents. Questions which were raised about the afterheat removal capability during the flow reversal transition led to a reactor shutdown and subsequent resumption of operation at a reduced power of 30 MW. An experimental and analytical program to address these questions is described in this report. The experiments were single channel flow reversal tests under a range of conditions. The analytical phase involved simulations of the tests to benchmark the physical models and development of a criterion for dryout. The criterion is then used in simulations of reactor accidents to determine a safe operating power level. It is concluded that the limit on the HFBR operating power with respect to the issue of flow reversal is in excess of 60 MW. Direct use of the experimental results and an understanding of the governing phenomenology supports this conclusion.

Cheng, L.Y.; Tichler, P.R.

1997-01-01T23:59:59.000Z

144

Colloid-Associated Radionuclide Concentration Limits: ANL  

SciTech Connect (OSTI)

The purpose and scope of this report is to describe the analysis of available colloidal data from waste form corrosion tests at Argonne National Laboratory (ANL) to extract characteristics of these colloids that can be used in modeling their contribution to the source term for sparingly soluble radioelements (e.g., Pu). Specifically, the focus is on developing a useful description of the following waste form colloid characteristics: (1) composition, (2) size distribution, and (3) quantification of the rate of waste form colloid generation. The composition and size distribution information are intended to support analysis of the potential transport of the sparingly soluble radionuclides associated with the waste form colloids. The rate of colloid generation is intended to support analysis of the waste form colloid-associated radionuclide concentrations. In addressing the above characteristics, available data are interpreted to address mechanisms controlling colloid formation and stability. This report was developed in accordance with the ''Technical Work Plan for Waste Form Degradation Process Model Report for SR'' (CRWMS M&O 2000). Because the end objective is to support the source term modeling we have organized the conclusions into two categories: (1) data analysis conclusions and (2) recommendations for colloid source term modeling. The second category is included to facilitate use of the conclusions from the data analysis in the abstraction of a colloid source term model. The data analyses and conclusions that are presented in this report are based on small-scale laboratory tests conducted on a limited number of waste glass compositions and spent fuel types.

C. Mertz

2000-12-21T23:59:59.000Z

145

The limits of intelligence in design  

SciTech Connect (OSTI)

A new, comprehensive design theory is presented, applicable to all design domains such as engineering and industrial design, architecture, city and regional planning, and, in general, any goal-oriented activity that involves decision making. The design process is analyzed into fundamental activities that are characterized with respect to the nature of knowledge requirements and the degree to which they can be specified and delegated to others, in general, and to computers in particular. The characterization of design problems as ``wicked,`` or ``ill-defined,`` design has been understood as a rational activity, that is ``thinking before acting.`` The new theory presented in this paper suggests that design is ``thinking and feeling while acting,`` supporting the position that design is only partially rational. Intelligence, ``natural`` or ``artificial,`` is only one of two requirements for design, the other being emotions. Design decisions are only partially inferred, that is, they are not entirely the product of reasoning. Rather, design decisions are based on judgment that requires the notion of ``good`` and ``bad,`` which is attributed to feelings, rather than thoughts. The presentation of the design theory extends to the implications associated with the limits of intelligence in design, which, in turn, become constraints on the potential role of computers in design. Many of the current development efforts in computer-aided design violate these constraints, especially in the implementation of expert systems and multi-criterion evaluation models. These violations are identified and discussed in detail. Finally, specific areas for further research and development in computer-aided design are presented and discussed.

Papamichael, K. [Lawrence Berkeley Lab., CA (United States); Protzen, J.P. [California Univ., Berkeley, CA (United States). Dept. of Architecture

1993-05-01T23:59:59.000Z

146

Chapter_2_Limited_Areas_Vault-Type_Rooms_and_Temporary_Limited_Areas  

Broader source: Energy.gov (indexed) [DOE]

Limited Areas, VTRs, and Temporary Limited Areas Chapter 2 describes the security procedures adopted by DOE HQ to implement the requirements of the following DOE directives: * DOE Order 473.3, Protection Program Operations * DOE Order 471.6, Change 1, Information Security * DOE Order 475.2A, Identifying Classified Information * Classification Bulletin TNP-32, Classification Guidance for Classified Meeting Locations at DOE/NNSA or DOE/NNSA Contractor Sites or Facilities, dated May 27, 2010 DOE Manual 470.4-2A, Physical Protection, defines seven types of Security Areas that protect DOE employees, facilities, buildings, government property, classified information, nuclear materials and other security interests. Each type of Security Area has its own security

147

Limited Electricity Generation Supply and Limited Natural Gas Supply Cases (released in AEO2008)  

Reports and Publications (EIA)

Development of U.S. energy resources and the permitting and construction of large energy facilities have become increasingly difficult over the past 20 years, and they could become even more difficult in the future. Growing public concern about global warming and CO2 emissions also casts doubt on future consumption of fossil fuels -- particularly coal, which releases the largest amount of CO2 per unit of energy produced. Even without regulations to limit greenhouse gas emissions in the United States, the investment community may already be limiting the future use of some energy options. In addition, there is considerable uncertainty about the future availability of, and access to, both domestic and foreign natural gas resources.

2008-01-01T23:59:59.000Z

148

Studying the continuum limit of the Ising model  

Science Journals Connector (OSTI)

Different continuum limits of the Ising model in dimensions 2, 3, and 4 are investigated numerically. The data indicate that triviality occurs for D=4 and fails for D<4 in each limit.

Jae-Kwon Kim and Adrian Patrascioiu

1993-03-15T23:59:59.000Z

149

Numerical upper and lower bound limit analysis for braced excavations  

E-Print Network [OSTI]

This thesis reviews limit theorems and their applications for stability problems in geotechnical engineering. Rigorous numerical solutions of limit analyses can be obtained through finite element discretization of the soil ...

Degwitz, Fernando G. (Fernando Guillermo), 1980-

2004-01-01T23:59:59.000Z

150

Diesel Particulate Filters and NO2 Emission Limits | Department...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Filters and NO2 Emission Limits Diesel Particulate Filters and NO2 Emission Limits EPAs New air quality standards for NO2 will impact future DPF designs deer09ibrahim.pdf More...

151

Fault current limiter based on triggered vacuum switch  

Science Journals Connector (OSTI)

A new type of fault current limiter (FCL) based on triggered vacuum switch ... is mainly composed of a capacitor, a current-limiting reactor connected with a capacitor in ... behaves as a conventional series comp...

Jing Shi; Ji-yan Zou; Jun-jia He…

2000-12-01T23:59:59.000Z

152

Modeling and Simulation of Resistive Superconducting Fault-Current Limiters  

Science Journals Connector (OSTI)

Superconducting fault-current limiters (SFCL) offer ideal performance in electrical ... simulation model for a novel resistive type superconducting fault-current limiter is proposed. This model includes the elect...

S. Nemdili; S. Belkhiat

2012-10-01T23:59:59.000Z

153

Coil and HTS Development for Fault Current Limiters  

Science Journals Connector (OSTI)

Fault current limiters are being developed to limit peak currents in transmission and distribution systems. The authors ... and a coil configuration specifically for high transient currents and the resulting high...

B. Gamble; G. Snitchler; M. Manlief…

1997-01-01T23:59:59.000Z

154

Melt-processed YBCO for a Fault Current Limiter  

Science Journals Connector (OSTI)

Bulk High-Tc...-Superconductors (HTSC) offer applications in the field of fault current limiters in power networks: Current limitation can be accomplished by means of ... with a primary winding carrying the power...

H. Kanbach; E. Bochenek; M. Trautmann; R. Fischer…

1994-01-01T23:59:59.000Z

155

A Magnetic Shielding Type Superconducting Fault-Current Limiter  

Science Journals Connector (OSTI)

In a Magnetic Shielding type Fault-Current Limiter (MSFCL), the characteristics of the magnetic ... ) is an important factor in limiting the current flow. In this study, to improve the efficiency of the fault current

N. Miyauchi; H. Nakane; S. Haseyama; S. Yoshizawa

1999-01-01T23:59:59.000Z

156

Carbon Compliance Acquisition 5 Limited | Open Energy Information  

Open Energy Info (EERE)

Acquisition 5 Limited Jump to: navigation, search Name: Carbon Compliance Acquisition 5 Limited Place: Greater London, United Kingdom Zip: EC2M 2TD Sector: Carbon Product: This is...

157

Jilin Taihe Wind Power Limited | Open Energy Information  

Open Energy Info (EERE)

Taihe Wind Power Limited Taihe Wind Power Limited Jump to: navigation, search Name Jilin Taihe Wind Power Limited Place Zhenlai, Jilin Province, China Sector Wind energy Product Top Well and Tianjin DH entered into a contract to establish a joint venture in Zhenlai, in Chinaâ€(tm)s Jilin province to develop a 50MW wind farm in the area under the name Jilin Taihe Wind Power Limited. References Jilin Taihe Wind Power Limited[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Jilin Taihe Wind Power Limited is a company located in Zhenlai, Jilin Province, China . References ↑ "Jilin Taihe Wind Power Limited" Retrieved from "http://en.openei.org/w/index.php?title=Jilin_Taihe_Wind_Power_Limited&oldid=347531

158

Pushing Super Materials to the Limit | GE Global Research  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

to the Limit this Spring Break SpringBreakIt - Pushing Super Materials to the Limit this Spring Break Joseph Vinciquerra 2014.04.23 I lead GE's Materials Processing and Testing...

159

Constrained sinogram restoration for limited-angle Jerry L. Prince  

E-Print Network [OSTI]

for further re- search. Subject terms: image reconstruction; computed tomography; regularization; limitedConstrained sinogram restoration for limited-angle tomography Jerry L. Prince The Johns Hopkins-437 Cambridge, Massachusetts 02139 CONTENTS 1. Introduction 2. Limited-angle tomography 3. Sinogram restoration

Willsky, Alan S.

160

1Design limits and solutions for very large wind turbines Design limits and solutions for very large wind turbines  

E-Print Network [OSTI]

#12;#12;1Design limits and solutions for very large wind turbines UpWind Design limits and solutions for very large wind turbines A 20 MW turbine is feasible March 2011 Supported by: #12;March 20112 Photo:Nordex #12;3Design limits and solutions for very large wind turbines Contents 1. UpWind: Summary

Leu, Tzong-Shyng "Jeremy"

Note: This page contains sample records for the topic "limits limits limits" 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.


161

2014 Headquarters Facilities Master Security Plan- Chapter 2, Limited Areas, Vault-Type Rooms and Temporary Limited Areas  

Broader source: Energy.gov [DOE]

2014 Headquarters Facilities Master Security Plan - Chapter 2, Limited Areas, Valut-Type Rooms and Temporary Limited Areas Describes DOE Headquarters procedures for establishing, maintaining, and deactivating Limited Areas and Vault-Type Rooms and protecting the classified information handled within those Areas.

162

Tehri Hydro Development Corporation Limited | Open Energy Information  

Open Energy Info (EERE)

Tehri Hydro Development Corporation Limited Tehri Hydro Development Corporation Limited Jump to: navigation, search Name Tehri Hydro Development Corporation Limited Place Noida, Uttar Pradesh, India Zip 201 301 Sector Hydro, Solar, Wind energy Product Focused on hydro projects; diversifying into solar and wind power. References Tehri Hydro Development Corporation Limited[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Tehri Hydro Development Corporation Limited is a company located in Noida, Uttar Pradesh, India . References ↑ "Tehri Hydro Development Corporation Limited" Retrieved from "http://en.openei.org/w/index.php?title=Tehri_Hydro_Development_Corporation_Limited&oldid=352096

163

Alternative Fuels Data Center: Alternative Fuel Vehicle (AFV) Weight Limit  

Alternative Fuels and Advanced Vehicles Data Center [Office of Energy Efficiency and Renewable Energy (EERE)]

Alternative Fuel Alternative Fuel Vehicle (AFV) Weight Limit Exemption to someone by E-mail Share Alternative Fuels Data Center: Alternative Fuel Vehicle (AFV) Weight Limit Exemption on Facebook Tweet about Alternative Fuels Data Center: Alternative Fuel Vehicle (AFV) Weight Limit Exemption on Twitter Bookmark Alternative Fuels Data Center: Alternative Fuel Vehicle (AFV) Weight Limit Exemption on Google Bookmark Alternative Fuels Data Center: Alternative Fuel Vehicle (AFV) Weight Limit Exemption on Delicious Rank Alternative Fuels Data Center: Alternative Fuel Vehicle (AFV) Weight Limit Exemption on Digg Find More places to share Alternative Fuels Data Center: Alternative Fuel Vehicle (AFV) Weight Limit Exemption on AddThis.com... More in this section... Federal State Advanced Search

164

Allco Renewable Energy Group Limited LLC | Open Energy Information  

Open Energy Info (EERE)

Allco Renewable Energy Group Limited LLC Allco Renewable Energy Group Limited LLC Jump to: navigation, search Name Allco Renewable Energy Group Limited, LLC Place New York, New York Zip 10005 Sector Biomass, Solar, Wind energy Product A New York City-based wind, solar, and biomass project developer that no longer has any direct ties to Allco Finance Group of Australia or its subsidiaries. References Allco Renewable Energy Group Limited, LLC[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Allco Renewable Energy Group Limited, LLC is a company located in New York, New York . References ↑ "Allco Renewable Energy Group Limited, LLC" Retrieved from "http://en.openei.org/w/index.php?title=Allco_Renewable_Energy_Group_Limited_LLC&oldid=3420

165

Karnataka Power Corporation Limited and National Thermal Power Corporation  

Open Energy Info (EERE)

Karnataka Power Corporation Limited and National Thermal Power Corporation Karnataka Power Corporation Limited and National Thermal Power Corporation JV Jump to: navigation, search Name Karnataka Power Corporation Limited and National Thermal Power Corporation JV Place India Sector Wind energy Product India-based wind power project developer. References Karnataka Power Corporation Limited and National Thermal Power Corporation JV[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Karnataka Power Corporation Limited and National Thermal Power Corporation JV is a company located in India . References ↑ "Karnataka Power Corporation Limited and National Thermal Power Corporation JV" Retrieved from "http://en.openei.org/w/index.php?title=Karnataka_Power_Corporation_Limited_and_National_Thermal_Power_Corporation_JV&oldid=3479

166

Apollo Solar Lanka Limited ASLL | Open Energy Information  

Open Energy Info (EERE)

Limited ASLL Limited ASLL Jump to: navigation, search Name Apollo Solar Lanka Limited (ASLL) Place Nugegoda, Sri Lanka Zip 10250 Sector Solar Product Sri Lankan company that is developing both PV & thermal solar technologies. References Apollo Solar Lanka Limited (ASLL)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Apollo Solar Lanka Limited (ASLL) is a company located in Nugegoda, Sri Lanka . References ↑ "Apollo Solar Lanka Limited (ASLL)" Retrieved from "http://en.openei.org/w/index.php?title=Apollo_Solar_Lanka_Limited_ASLL&oldid=342235" Categories: Clean Energy Organizations Companies Organizations Stubs What links here Related changes Special pages

167

Nahar Industrial Enterprises Limited NIEL | Open Energy Information  

Open Energy Info (EERE)

Nahar Industrial Enterprises Limited NIEL Nahar Industrial Enterprises Limited NIEL Jump to: navigation, search Name Nahar Industrial Enterprises Limited (NIEL) Place Punjab, India Zip 140506 Sector Biomass Product Punjab-based , textile mill and biomass project developers. References Nahar Industrial Enterprises Limited (NIEL)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Nahar Industrial Enterprises Limited (NIEL) is a company located in Punjab, India . References ↑ "Nahar Industrial Enterprises Limited (NIEL)" Retrieved from "http://en.openei.org/w/index.php?title=Nahar_Industrial_Enterprises_Limited_NIEL&oldid=348994" Categories: Clean Energy Organizations Companies Organizations

168

Enercon Financial Consultancy Private Limited | Open Energy Information  

Open Energy Info (EERE)

Consultancy Private Limited Consultancy Private Limited Jump to: navigation, search Name Enercon Financial Consultancy Private Limited Place Mumbai, Maharashtra, India Zip 400 058 Sector Wind energy Product Mumbai-based arm of Enercon India which organizes long term funding for wind energy projects. References Enercon Financial Consultancy Private Limited[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Enercon Financial Consultancy Private Limited is a company located in Mumbai, Maharashtra, India . References ↑ "Enercon Financial Consultancy Private Limited" Retrieved from "http://en.openei.org/w/index.php?title=Enercon_Financial_Consultancy_Private_Limited&oldid=344747

169

Cleantech Professional Resource Global Limited CPR Global | Open Energy  

Open Energy Info (EERE)

Professional Resource Global Limited CPR Global Professional Resource Global Limited CPR Global Jump to: navigation, search Name Cleantech Professional Resource Global Limited (CPR Global) Place London, United Kingdom Zip EC4M 9DN Product Cleantech Professional Resource is a resource management consultancy focusing on the cleantech sector in the UK and Europe. References Cleantech Professional Resource Global Limited (CPR Global)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Cleantech Professional Resource Global Limited (CPR Global) is a company located in London, United Kingdom . References ↑ "Cleantech Professional Resource Global Limited (CPR Global)" Retrieved from "http://en.openei.org/w/index.php?title=Cleantech_Professional_Resource_Global_Limited_CPR_Global&oldid=343687

170

Jilin CWP Milestone Wind Power Investment Limited | Open Energy Information  

Open Energy Info (EERE)

CWP Milestone Wind Power Investment Limited CWP Milestone Wind Power Investment Limited Jump to: navigation, search Name Jilin CWP-Milestone Wind Power Investment Limited Place Baicheng, Jilin Province, China Sector Wind energy Product JV between Top Well (a wholly-owned subsidiary of Wind Power) and Shenzhen KWC set up to develop, construct and operate wind power facilities in China. References Jilin CWP-Milestone Wind Power Investment Limited[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Jilin CWP-Milestone Wind Power Investment Limited is a company located in Baicheng, Jilin Province, China . References ↑ "Jilin CWP-Milestone Wind Power Investment Limited" Retrieved from "http://en.openei.org/w/index.php?title=Jilin_CWP_Milestone_Wind_Power_Investment_Limited&oldid=347495"

171

BP Energy India Private Limited BPEIPL | Open Energy Information  

Open Energy Info (EERE)

Private Limited BPEIPL Private Limited BPEIPL Jump to: navigation, search Name BP Energy India Private Limited (BPEIPL) Place India Sector Wind energy Product India-based, subsidiary of Green Infra, owner and operator of 3 wind farms in India. References BP Energy India Private Limited (BPEIPL)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. BP Energy India Private Limited (BPEIPL) is a company located in India . References ↑ "BP Energy India Private Limited (BPEIPL)" Retrieved from "http://en.openei.org/w/index.php?title=BP_Energy_India_Private_Limited_BPEIPL&oldid=342989" Categories: Clean Energy Organizations Companies Organizations Stubs What links here Related changes

172

SunSeeker Energy Australasia Limited | Open Energy Information  

Open Energy Info (EERE)

SunSeeker Energy Australasia Limited SunSeeker Energy Australasia Limited Jump to: navigation, search Name SunSeeker Energy (Australasia) Limited Place New Zealand Zip Auckland Sector Solar Product Has designed a solar energy unit that utilises segments of trough concentrator optics to focus the energy from the sun on a PV array, and has inbuilt control and tracking systems. References SunSeeker Energy (Australasia) Limited[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. SunSeeker Energy (Australasia) Limited is a company located in New Zealand . References ↑ "SunSeeker Energy (Australasia) Limited" Retrieved from "http://en.openei.org/w/index.php?title=SunSeeker_Energy_Australasia_Limited&oldid=351841

173

Jalkheri Power Private Limited JPPL | Open Energy Information  

Open Energy Info (EERE)

Jalkheri Power Private Limited JPPL Jalkheri Power Private Limited JPPL Jump to: navigation, search Name Jalkheri Power Private Limited (JPPL) Place Punjab, India Zip 147 104 Sector Biomass Product A biomass project developer in Jalkheri village, in Fatehgarh Sahib District of Punjab, India. References Jalkheri Power Private Limited (JPPL)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Jalkheri Power Private Limited (JPPL) is a company located in Punjab, India . References ↑ "Jalkheri Power Private Limited (JPPL)" Retrieved from "http://en.openei.org/w/index.php?title=Jalkheri_Power_Private_Limited_JPPL&oldid=347186" Categories: Clean Energy Organizations Companies Organizations

174

Sanraa Media Limited India formerly Sanra Software | Open Energy  

Open Energy Info (EERE)

Sanraa Media Limited India formerly Sanra Software Sanraa Media Limited India formerly Sanra Software Jump to: navigation, search Name Sanraa Media Limited India (formerly Sanra Software) Place Chennai, Tamil Nadu, India Zip 600096 Sector Solar Product Chennai-based media and entertainment firm. Through its joint venture with Sanyo Gulf, the firm is planning to foray into solar power. References Sanraa Media Limited India (formerly Sanra Software)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Sanraa Media Limited India (formerly Sanra Software) is a company located in Chennai, Tamil Nadu, India . References ↑ "Sanraa Media Limited India (formerly Sanra Software)" Retrieved from "http://en.openei.org/w/index.php?title=Sanraa_Media_Limited_India_formerly_Sanra_Software&oldid=350601

175

Rithwik Energy System Limited RESL | Open Energy Information  

Open Energy Info (EERE)

Rithwik Energy System Limited RESL Rithwik Energy System Limited RESL Jump to: navigation, search Name Rithwik Energy System Limited (RESL) Place Hyderabad, Andhra Pradesh, India Zip 500 034 Sector Biomass Product Developing a biomass project in Chittoor, Andhra Pradesh. References Rithwik Energy System Limited (RESL)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Rithwik Energy System Limited (RESL) is a company located in Hyderabad, Andhra Pradesh, India . References ↑ "Rithwik Energy System Limited (RESL)" Retrieved from "http://en.openei.org/w/index.php?title=Rithwik_Energy_System_Limited_RESL&oldid=350438" Categories: Clean Energy Organizations Companies Organizations

176

Property:Incentive/AggrCapLimit | Open Energy Information  

Open Energy Info (EERE)

AggrCapLimit AggrCapLimit Jump to: navigation, search Property Name Incentive/AggrCapLimit Property Type Text Description Aggregate Capacity Limit. Pages using the property "Incentive/AggrCapLimit" Showing 25 pages using this property. (previous 25) (next 25) A APS - Net Metering (Arizona) + 15 MW American Samoa - Net Metering (American Samoa) + 5% of utility's peak demand Ames Electric Department - Net Metering (Iowa) + Carried month to month at retail rate, granted to utility after 12 months Ashland Electric - Net Metering (Oregon) + No limit specified Aspen Electric - Net Metering (Colorado) + Credited to customer's next bill Austin Energy - Net Metering (Texas) + No limit specified (program will be re-evaluated after 1% of load is met) Avista Utilities - Net Metering (Idaho) + 0.1% of utility's peak demand in 1996 (in Idaho)

177

DOE Orders Mirant Power Plant to Operate Under Limited Circumstances |  

Broader source: Energy.gov (indexed) [DOE]

Orders Mirant Power Plant to Operate Under Limited Orders Mirant Power Plant to Operate Under Limited Circumstances DOE Orders Mirant Power Plant to Operate Under Limited Circumstances Docket No. EO-05-01. Order No. 202-05-3: Secretary of Energy Samuel W. Bodman today issued an order requiring Mirant Corporation's Potomac River Generating Station in Alexandria, Virginia (Mirant) to immediately resume limited operation. The order will help provide electric reliability for Washington, D.C., and will do so at the lowest reasonable impact to the environment. DOE Orders Mirant Power Plant to Operate Under Limited Circumstances More Documents & Publications Comments on Department of Energy's Emergency Order To Resume Limited Operation at Mirant's Potomac River Generating Station and Proposed Mirant Compliance Plan

178

Indian Renewable Energy Development Agency Limited IREDA | Open Energy  

Open Energy Info (EERE)

Indian Renewable Energy Development Agency Limited IREDA Indian Renewable Energy Development Agency Limited IREDA Jump to: navigation, search Name Indian Renewable Energy Development Agency Limited (IREDA) Place New Delhi, Delhi (NCT), India Zip 110003 Sector Efficiency, Renewable Energy Product Focused on promoting, developing and extending financial assistance for renewable energy and energy efficiency/conservation projects in India. References Indian Renewable Energy Development Agency Limited (IREDA)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Indian Renewable Energy Development Agency Limited (IREDA) is a company located in New Delhi, Delhi (NCT), India . References ↑ "Indian Renewable Energy Development Agency Limited (IREDA)"

179

Definition: Interconnection Reliability Operating Limit Tv | Open Energy  

Open Energy Info (EERE)

Limit Tv Limit Tv Jump to: navigation, search Dictionary.png Interconnection Reliability Operating Limit Tv The maximum time that an Interconnection Reliability Operating Limit can be violated before the risk to the interconnection or other Reliability Coordinator Area(s) becomes greater than acceptable. Each Interconnection Reliability Operating Limit's Tv shall be less than or equal to 30 minutes.[1] Related Terms Interconnection Reliability Operating Limitinterconnection, interconnection References ↑ Glossary of Terms Used in Reliability Standards An i LikeLike UnlikeLike You like this.Sign Up to see what your friends like. nline Glossary Definition Retrieved from "http://en.openei.org/w/index.php?title=Definition:Interconnection_Reliability_Operating_Limit_Tv&oldid=493031

180

Confusing the extragalactic neutrino flux limit with a neutrino propagation limit  

SciTech Connect (OSTI)

We study the possible suppression of the extragalactic neutrino flux due to a nonstandard interaction during its propagation. In particular, we study neutrino interaction with an ultra-light scalar field dark matter. It is shown that the extragalactic neutrino flux may be suppressed by such an interaction, leading to a new mechanism to reduce the ultra-high energy neutrino flux. We study both the cases of non-self-conjugate as well as self-conjugate dark matter. In the first case, the suppression is independent of the neutrino and dark matter masses. We conclude that care must be taken when explaining limits on the neutrino flux through source acceleration mechanisms only, since there could be other mechanisms for the reduction of the neutrino flux.

Barranco, Juan [Instituto de Astronomía, Universidad Nacional Autonoma de México, Mexico, DF 04510 (Mexico); Miranda, Omar G. [Departamento de Física, Centro de Investigación y de Estudios Avanzados del IPN, Apdo. Postal 14-740 07000 México, D.F. (Mexico); Moura, Celio A. [Centro de Cięncias Naturais e Humanas, Universidade Federal do ABC, Rua Santa Adélia, 166, 09210-170 Santo André, SP (Brazil); Rashba, Timur I. [Max-Planck-Institute for Solar System Research, Katlenburg-Lindau, 37191 (Germany); Rossi-Torres, Fernando, E-mail: barranco@astroscu.unam.mx, E-mail: Omar.Miranda@fis.cinvestav.mx, E-mail: celio.moura@ufabc.edu.br, E-mail: timur@mppmu.mpg.de, E-mail: ftorres@ifi.unicamp.br [Instituto de Física Teórica, Universidade Estadual Paulista, Rua Dr. Bento Teobaldo Ferraz, 271 - Bl. II, 01140-070, Săo Paulo, SP (Brazil)

2011-10-01T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Conditions for diffusion-limited and reaction-limited recombination in nanostructured solar cells  

SciTech Connect (OSTI)

The performance of Dye-sensitized solar cells (DSC) and related devices made of nanostructured semiconductors relies on a good charge separation, which in turn is achieved by favoring charge transport against recombination. Although both processes occur at very different time scales, hence ensuring good charge separation, in certain cases the kinetics of transport and recombination can be connected, either in a direct or an indirect way. In this work, the connection between electron transport and recombination in nanostructured solar cells is studied both theoretically and by Monte Carlo simulation. Calculations using the Multiple-Trapping model and a realistic trap distribution for nanostructured TiO{sub 2} show that for attempt-to-jump frequencies higher than 10{sup 11}–10{sup 13} Hz, the system adopts a reaction limited (RL) regime, with a lifetime which is effectively independent from the speed of the electrons in the transport level. For frequencies lower than those, and depending on the concentration of recombination centers in the material, the system enters a diffusion-limited regime (DL), where the lifetime increases if the speed of free electrons decreases. In general, the conditions for RL or DL recombination depend critically on the time scale difference between recombination kinetics and free-electron transport. Hence, if the former is too rapid with respect to the latter, the system is in the DL regime and total thermalization of carriers is not possible. In the opposite situation, a RL regime arises. Numerical data available in the literature, and the behavior of the lifetime with respect to (1) density of recombination centers and (2) probability of recombination at a given center, suggest that a typical DSC in operation stays in the RL regime with complete thermalization, although a transition to the DL regime may occur for electrolytes or hole conductors where recombination is especially rapid or where there is a larger dispersion of energies of electron acceptors.

Ansari-Rad, Mehdi, E-mail: ansari.rad@ut.ac.ir [Department of Physics, University of Tehran, 1439955961 Tehran (Iran, Islamic Republic of) [Department of Physics, University of Tehran, 1439955961 Tehran (Iran, Islamic Republic of); Department of Physics, University of Shahrood, Shahrood (Iran, Islamic Republic of); Anta, Juan A., E-mail: anta@upo.es [Departamento de Sistemas Físicos, Químicos y Naturales, Universidad Pablo de Olavide, 41013 Sevilla (Spain); Arzi, Ezatollah [Department of Physics, University of Tehran, 1439955961 Tehran (Iran, Islamic Republic of)] [Department of Physics, University of Tehran, 1439955961 Tehran (Iran, Islamic Republic of)

2014-04-07T23:59:59.000Z

182

Fundamental Limit of Nanophotonic Light-Trapping in Solar Cells  

Science Journals Connector (OSTI)

We use a rigorous electromagnetic approach to develop a light-trapping theory, which reveals that the conventional limit 4n2can be substantially surpassed in nanophotonic...

Yu, Zongfu; Raman, Aaswath; Fan, Shanhui

183

Exact algorithms for the Traveling Salesman Problem with Draft Limits  

E-Print Network [OSTI]

Feb 25, 2013 ... In this recently proposed problem, draft limits are imposed due to restrictions on the port infrastructures. Exact algorithms based on three ...

Maria Battarra

2013-02-25T23:59:59.000Z

184

Birmingham Research and Development Limited BRDL | Open Energy...  

Open Energy Info (EERE)

Sector: Services Product: General Financial & Legal Services ( Academic Research foundation ) References: Birmingham Research and Development Limited (BRDL)1 This article is...

185

High Temperature Superconducting Fault Current Limiter for Utility Applications  

Science Journals Connector (OSTI)

One of the most near term High Temperature Superconductor (HTS) applications is the Fault Current Limiter (FCL). It is a device that...

E. M. W. Leung; G. W. Albert; M. Dew…

1997-01-01T23:59:59.000Z

186

Limited Test Ban Treaty Signed | National Nuclear Security Administrat...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Limited Test Ban Treaty Signed | National Nuclear Security Administration People Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency...

187

Resource Limits and Conversion Efficiency with Implications for Climate Change  

E-Print Network [OSTI]

in resource limits declined with oil prices after 1985, butthe surge in oil prices since 1999 has elevated Hubbertfavored. Along with higher oil prices has come a discussion

Croft, Gregory Donald

2009-01-01T23:59:59.000Z

188

Comments on Emergency Order to Resume Limited Operation at the...  

Broader source: Energy.gov (indexed) [DOE]

by promoting clean energy alternatives and ensuring proper regulation of coal-fired power plants in Maryland, DC and Virginia. Comments on Emergency Order to Resume Limited...

189

LIMITATIONS ON MEASURING A TRANSVERSE PROFILE OF ULTRA- DENSE...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

LIMITATIONS ON MEASURING A TRANSVERSE PROFILE OF ULTRA- DENSE ELECTRON BEAMS WITH SCINTILLATORS A. Murokh * , J. Rosenzweig, University of California, Los Angeles, CA 90095-1547,...

190

WAC - 173 - 221 - Discharge Standards and Effluent Limitations...  

Open Energy Info (EERE)

WAC - 173 - 221 - Discharge Standards and Effluent Limitations for Domestic Wastewater Facilities Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document-...

191

Articulated limiter blade for a tokamak fusion reactor  

DOE Patents [OSTI]

A limiter blade for a large tokomak fusion reactor includes three articulated blade sections for enabling the limiter blade to be adjusted for plasmas of different sizes. Each blade section is formed of a rigid backing plate carrying graphite tiles coated with titanium carbide, and the limiter blade forms a generally elliptic contour in both the poloidal and toroidal directions to uniformly distribute the heat flow to the blade. The limiter blade includes a central blade section movable along the major radius of the vacuum vessel, and upper and lower pivotal blade sections which may be pivoted by linear actuators having rollers held to the back surface of the pivotal blade sections.

Doll, D.W.

1982-10-21T23:59:59.000Z

192

Notice of Emergency Action - Emergency Order To Resume Limited...  

Broader source: Energy.gov (indexed) [DOE]

Emergency Action - Emergency Order To Resume Limited Operation at the Potomac River Generating Station, Alexandria, VA, in Response to Electricity Reliability Concerns in...

193

Optimization Online - On Efficiently Combining Limited Memory and ...  

E-Print Network [OSTI]

Nov 25, 2013 ... Abstract: Limited memory quasi-Newton methods and trust-region methods represent two efficient approaches used for solving unconstrained ...

Oleg Burdakov

2013-11-25T23:59:59.000Z

194

Optimization Online - A regularized limited-memory BFGS method ...  

E-Print Network [OSTI]

Aug 4, 2014 ... Abstract: The limited-memory BFGS (L-BFGS) algorithm is a popular method of solving large-scale unconstrained minimization problems.

Shinji Sugimoto

2014-08-04T23:59:59.000Z

195

Design and current-limiting simulation of magnetic-shield type superconducting fault current limiter with high-Tc superconductors  

SciTech Connect (OSTI)

The continuous development of electric power utilities has led to the increase in the problems concerning fault currents. The use of fault current limiters, which suppress fault currents below a prescribed level, has been examined in many places. The authors have studied a superconducting fault current limiter that is based on the magnetic shielding effect of superconductors. In this paper, the authors derive a requirement for leading to a flux-jumping inside a ceramic superconductor at liquid nitrogen temperature. Next, two kinds of magnetic-shield type superconducting fault current limiters are designed, and their current-limiting simulations are tried using a computer.

Kajikawa, K.; Kaiho, K.; Tamada, N. [Electrotechnical Lab., Tsukuba, Ibaraki (Japan)] [Electrotechnical Lab., Tsukuba, Ibaraki (Japan); Onishi, T. [Hokkaido Univ., Sapporo (Japan)] [Hokkaido Univ., Sapporo (Japan)

1996-07-01T23:59:59.000Z

196

Determination of Temperature Limits for Radioactive Waste Tanks  

SciTech Connect (OSTI)

This document provides a systematic approach for determining the temperature limits for a tank given that the supernate concentration is known, or for ''dry'' tanks, given that the supernate concentration from the last sample of free supernate that was collected is known. A decision tree was developed to provide the logic for the temperature limit determination.

Wiersma, B.J.

1999-08-31T23:59:59.000Z

197

BIOMASS FOR HYDROGEN AND OTHER TRANSPORT FUELS -POTENTIALS, LIMITATIONS & COSTS  

E-Print Network [OSTI]

BIOMASS FOR HYDROGEN AND OTHER TRANSPORT FUELS - POTENTIALS, LIMITATIONS & COSTS Senior scientist - "Towards Hydrogen Society" ·biomass resources - potentials, limits ·biomass carbon cycle ·biomass for hydrogen - as compared to other H2- sources and to other biomass paths #12;BIOMASS - THE CARBON CYCLE

198

Underwater linear polarization: physical limitations to biological functions  

Science Journals Connector (OSTI)

...be limited to shallow waters, while solar-based navigation is possible down to...of Naval Research. Visibility Lab., Massachusetts Institute of Technology. 53 Schechner...be limited to shallow waters, while solar-based navigation is possible down to...

2011-01-01T23:59:59.000Z

199

Marking in Combinatorial Constructions: Generating Functions and Limiting Distributions  

E-Print Network [OSTI]

Marking in Combinatorial Constructions: Generating Functions and Limiting Distributions Michael generating function y(x) = P ynx n for the numbers yn of objects of size n and the bivariate generating of this paper is to provide general methods to obtain the asymptotic limiting distribution of this additional

Drmota, Michael

200

Fundamental limit of nanophotonic light trapping in solar cells  

E-Print Network [OSTI]

Fundamental limit of nanophotonic light trapping in solar cells Zongfu Yu1 , Aaswath Raman and is becoming increasingly urgent for current solar cell research. The standard theory of light trapping) Establishing the fundamental limit of nanophotonic light-trapping schemes is of paramount importance

Fan, Shanhui

Note: This page contains sample records for the topic "limits limits limits" 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

Increasing ask query limit | OpenEI Community  

Open Energy Info (EERE)

Increasing ask query limit Increasing ask query limit Home > Groups > Utility Rate Rmckeel's picture Submitted by Rmckeel(297) Contributor 22 June, 2012 - 09:30 developer utility rate An NREL user who is trying to use the utility rate service was having an issue. He writes "I noticed that any rates past 10,000 are not accessible via json. For example, this query only returns two entries: http://en.openei.org/services/rest/utility_rates?version=latest&format=json_plain&offset=9998&limit=30&detail=basic". Twong mentioned "It looks like there's a default total max limit of 10000 results retrieved, even for special query pages in SemanticMediawiki. $smwgQMaxLimit Maximal number of results ever retrieved, even when using special query pages. Default: 10000"

202

Privacy Act Fees and Time Limits | National Nuclear Security Administration  

National Nuclear Security Administration (NNSA)

Fees and Time Limits | National Nuclear Security Administration Fees and Time Limits | National Nuclear Security Administration Our Mission Managing the Stockpile Preventing Proliferation Powering the Nuclear Navy Emergency Response Recapitalizing Our Infrastructure Continuing Management Reform Countering Nuclear Terrorism About Us Our Programs Our History Who We Are Our Leadership Our Locations Budget Our Operations Media Room Congressional Testimony Fact Sheets Newsletters Press Releases Speeches Events Social Media Video Gallery Photo Gallery NNSA Archive Federal Employment Apply for Our Jobs Our Jobs Working at NNSA Blog Privacy Act Fees and Time Limits Home > About Us > Our Operations > NNSA Office of General Counsel > Privacy Act (PA) of 1974 > Privacy Act Fees and Time Limits Privacy Act Fees and Time Limits The Act provides agencies to assess fees only for the cost of reproducing

203

Final Report Limited Soil Investigation of Project Chariot Test Holes  

Office of Legacy Management (LM)

Limited Soil Investigation of Project Limited Soil Investigation of Project Chariot Test Holes Cape Thompson, Alaska December 2010 Prepared for U.S. Department of Energy and U.S. Army Corps of Engineers, Alaska District Post Office Box 6898 Elmendorf AFB, Alaska 99506-6898 Contract W911KB-08-D-0003 Task Order 12, Mod 001 Prepared by Fairbanks Environmental Services 3538 International Street Fairbanks, Alaska 99701 (907) 452-1006 FES Project No. 5012-06 Final Report Limited Soil Investigation of Project Chariot Test Holes, Cape Thompson, Alaska Fairbanks Environmental Services 5012-06 TABLE OF CONTENTS Page Number EXECUTIVE SUMMARY 1.0 INTRODUCTION ................................................................................................... 1-1

204

Limit cycle analysis of nuclear coupled density-wave oscillations  

SciTech Connect (OSTI)

Recent tests at commercial boiling water reactors (BWRs) have demonstrated the existence of limit cycles for nuclear coupled density-wave oscillations (NCDWOs) at off-normal conditions. This paper presents the application of a simplified nonlinear BWR core model to determine the potential magnitude and limiting mechanisms of severe NCDWOs, and an approximate determination of the limit cycle using singular perturbation analysis. In this model, the point kinetics equation with infinite-delayed approximation and linear reactivity feedback to both fuel temperature and coolant density is used. This model correctly predicts the magnitude of the Vermont Yankee power oscillations.

Ward, M.E.; Lee, J.C.

1986-01-01T23:59:59.000Z

205

Superconducting fault current limiter for power utility application  

SciTech Connect (OSTI)

Recent accomplishments in the development of superconducting fault current limiters for power systems are outlined. These accomplishments include the comprehensive requirement for fault current limiters developed by SCE; down-selection; bridge concepts; shunt concepts; and high resistivity matrix substrates for HTS conductors. The proposed Phase II SPI-FCL Program is outlined. It is concluded that the SPI fault current limiter program will benefit both the power utility industry as well as the high temperature superconductivity community and progress of Phase I is right on target.

Leung, E. [Martin Marietta Corp., Oak Ridge, TN (United States)

1994-07-29T23:59:59.000Z

206

Superconducting fault-current limiter and inductor design  

SciTech Connect (OSTI)

A superconducting fault current limiter (SFCL) that uses a biased superconducting inductor in a diode or thyristor bridge circuit was analyzed for transmission systems in 69, 138, and 230 rms kV utility transmission systems. The limiter was evaluated for costs with all components - superconducting coil, diode and/or SCR power electronics, high voltage insulation, high voltage bushings and vapor cooled leads, dewar, and refrigerator - included. A design was undertaken for the superconducting cable and coils for both diode and SCR 69 kV limiter circuits.

Rogers, J.D.; Boenig, H.J.; Chowdhuri, P.; Schermer, R.I.; Wollan, J.J.; Weldon, D.M.

1982-01-01T23:59:59.000Z

207

DOE Orders Mirant Power Plant to Operate Under Limited Circumstances |  

Broader source: Energy.gov (indexed) [DOE]

DOE Orders Mirant Power Plant to Operate Under Limited DOE Orders Mirant Power Plant to Operate Under Limited Circumstances DOE Orders Mirant Power Plant to Operate Under Limited Circumstances December 20, 2005 - 11:44am Addthis DOE finds emergency; determines plant will help electric reliability WASHINGTON, D.C. - Secretary of Energy Samuel W. Bodman today issued an order requiring Mirant Corporation's Potomac River Generating Station in Alexandria, Virginia (Mirant) to immediately resume limited operation. The order will help provide electric reliability for Washington, D.C., and will do so at the lowest reasonable impact to the environment. "After weighing all of the information, I believe an emergency situation exists, and that issuance of this order is in the public interest. This order will provide the level of electricity reliability necessary to keep

208

DOE Orders Mirant Power Plant to Operate Under Limited Circumstances |  

Broader source: Energy.gov (indexed) [DOE]

Orders Mirant Power Plant to Operate Under Limited Orders Mirant Power Plant to Operate Under Limited Circumstances DOE Orders Mirant Power Plant to Operate Under Limited Circumstances December 20, 2005 - 11:44am Addthis DOE finds emergency; determines plant will help electric reliability WASHINGTON, D.C. - Secretary of Energy Samuel W. Bodman today issued an order requiring Mirant Corporation's Potomac River Generating Station in Alexandria, Virginia (Mirant) to immediately resume limited operation. The order will help provide electric reliability for Washington, D.C., and will do so at the lowest reasonable impact to the environment. "After weighing all of the information, I believe an emergency situation exists, and that issuance of this order is in the public interest. This order will provide the level of electricity reliability necessary to keep

209

NREL: Jobs and Economic Development Impact (JEDI) Models - Limitations of  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Limitations of JEDI Models Limitations of JEDI Models Results are an estimate, not a precise forecast. The Jobs and Economic Development Impact (JEDI) models are input-output based models, also appropriately called calculators or screening tools. As such, they share important limitations with all models based on input-output calculation methodologies. For the interested user, the Environmental Protection Agency recently published EPA Assessing the Multiple Benefits of Clean Energy: A Resource for States1, which discusses and compares different types of models and screening tools for assessing economic impacts and jobs, including JEDI (see Chapter 5, pp. 136-142). The most important limitation to note is that JEDI results are estimates, not precise forecasts, for the following reasons.

210

Synthesis of binary images from band-limited functions  

Science Journals Connector (OSTI)

Binary images usually are produced by clipping band-limited images generated through physical systems. We examine the conditions under which a prescribed image can be formed by this...

Nashold, Karen M; Rudin, Walter; Saleh, Bahaa E A; Bucklew, James A

1989-01-01T23:59:59.000Z

211

Radial limits of holomorphic functions on the ball  

E-Print Network [OSTI]

In this dissertation, we consider various aspects of the boundary behavior of holomorphic functions of several complex variables. In dimension one, a characterization of the radial limit zero sets of nonconstant holomorphic functions on the disc has...

Fulkerson, Michael C

2008-10-10T23:59:59.000Z

212

Exact algorithms for the Traveling Salesman Problem with Draft Limits  

E-Print Network [OSTI]

Feb 20, 2013 ... problem, draft limits are imposed due to restrictions on the port in- ... the sea-level in a port is sometimes not sufficiently deep to accommodate.

2013-02-20T23:59:59.000Z

213

Collective effects in a diffraction-limited storage ring  

Science Journals Connector (OSTI)

An overview of beam collective effects in diffraction-limited storage rings is given. The relation of a very low emittance machine and its stored beam to the former is described.

Nagaoka, R.

2014-08-27T23:59:59.000Z

214

Exploring the Limits of Energy Efficiency in Office Buildings  

Science Journals Connector (OSTI)

This paper explores the limiting energy efficiency for the energy uses in a particular office building. This limit might be viewed as the “Carnot efficiency” for the entire building. It assumes that all energy?consuming services in the building are provided at the minimum energy value that does not violate physical law. Rigorous physical limits such as the Carnot efficiency are used where applicable; in other cases a plausible approximation has been adopted. Based on the assumptions made it would be possible to provide all of the energy?based services currently provided in the building using approximately 0.2? kWh /( ft 2 ? yr ). This limiting value is less than 1% of the energy used by a typical office building in the United States. Examination of expected advances in individual technologies suggests that it may be possible to construct a building that uses approximately 0.8? kWh /( ft 2 ? yr ) within the next decade.

2011-01-01T23:59:59.000Z

215

Operational limits in the National Spherical Torus Experiment  

SciTech Connect (OSTI)

The National Spherical Torus Experiment (NSTX) is a proof-of-principle scale device whose mission is to establish the physics basis of low aspect configurations most notably in the areas of plasma stability, transport and non-inductive current drive. The first series of physics experiments was conducted during the period from Sept. 1999 through Jan. 2000. Among the first experiments was a study to map out and characterize the operational density and q-limits. Density limits have typically been associated with enhanced radiated power due to overfuelling or impurity influx, although ion neoclassical transport may impose a density limit at very high densities in ohmic, gas-fueled plasmas. q-limits have typically been manifestations of destabilization of m=2/n=1 kink or tearing modes that lead to a sudden discharge termination.

S.M. Kaye; M. G. Bell; R. E. Bell; D. Gates; R. Maingi; E. Mazzucato; J. Menard; D. Mueller; W. Park; S. Paul; S. Sabbagh; D. Stutman

2000-06-12T23:59:59.000Z

216

Calculation of the Limiting CESSAR Steam Line Break Transients  

Science Journals Connector (OSTI)

Argonne National Laboratory (ANL), under contract to the Nuclear Regulatory Commission, performed audit calculations of the limiting and Steam Line Break (SLB) [1] transient presented in the CESSAR FSAR. The r...

G. B. Peeler; D. L. Caraher; J. Guttmann

1984-01-01T23:59:59.000Z

217

Limited development as a tool for agricultural preservation in Massachusetts  

E-Print Network [OSTI]

Limited development offers the hope of turning market development pressure which threatens open land into a means for financing its protection. In theory, the profit from developing a small portion of a parcel can be used ...

Tuttle, William D. (William Davis)

1988-01-01T23:59:59.000Z

218

No Evidence for an Item Limit in Change Detection  

E-Print Network [OSTI]

Change detection is a classic paradigm that has been used for decades to argue that working memory can hold no more than a fixed number of items (“item-limit models”). Recent findings force us to consider the alternative ...

Keshvari, Shaiyan Oliver

219

The Shockley-Queisser limit for nanostructured solar cells  

E-Print Network [OSTI]

The Shockley-Queisser limit describes the maximum solar energy conversion efficiency achievable for a particular material and is the standard by which new photovoltaic technologies are compared. This limit is based on the principle of detailed balance, which equates the photon flux into a device to the particle flux (photons or electrons) out of that device. Nanostructured solar cells represent a new class of photovoltaic devices, and questions have been raised about whether or not they can exceed the Shockley-Queisser limit. Here we show that single-junction nanostructured solar cells have a theoretical maximum efficiency of 42% under AM 1.5 solar illumination. While this exceeds the efficiency of a non- concentrating planar device, it does not exceed the Shockley-Queisser limit for a planar device with optical concentration. We conclude that nanostructured solar cells offer an important route towards higher efficiency photovoltaic devices through a built-in optical concentration.

Xu, Yunlu; Munday, Jeremy N

2014-01-01T23:59:59.000Z

220

The large level limit of Kazama-Suzuki models  

E-Print Network [OSTI]

Limits of families of conformal field theories are of interest in the context of AdS/CFT dualities. We explore here the large level limit of the two-dimensional N=(2,2) superconformal W_{n+1} minimal models that appear in the context of the supersymmetric higher-spin AdS3/CFT2 duality. These models are constructed as Kazama-Suzuki coset models of the form SU(n+1)/U(n). We determine a family of boundary conditions in the limit theories, and use the modular bootstrap to obtain the full bulk spectrum of N=2 super-W_{n+1} primaries in the theory. We also confirm the identification of this limit theory as the continuous orbifold C^n/U(n) that was discussed recently.

Stefan Fredenhagen; Cosimo Restuccia

2014-08-02T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Identifying Disordered Regions in Proteins by Limited Proteolysis  

Science Journals Connector (OSTI)

Limited proteolysis experiments can be successfully used to detect sites of disorder in otherwise folded globular proteins. The approach relies on the fact that...B...-factor. In numerous cases, it has been shown...

Angelo Fontana; Patrizia Polverino de Laureto…

2012-01-01T23:59:59.000Z

222

Dynamic Inductance in Saturated Cores Fault Current Limiters  

Science Journals Connector (OSTI)

The saturated cores Fault Current Limiter (FCL) is one of the leading ... for providing a commercial robust solution to the fault current problem. Basically, the saturated cores FCL ... its saturated cores state ...

Y. Nikulshin; Y. Wolfus; A. Friedman…

2014-09-01T23:59:59.000Z

223

A transformer type fault current limiter with spark gap  

Science Journals Connector (OSTI)

A novel fault current limiter (FCL) is proposed in this paper. ... of the capacitor. During the short-circuit faults, the FCL resonantly produces a high impedance in the fault circuit after the breakdown of the s...

Zhang Xiaoqing; Ming Li

2010-06-01T23:59:59.000Z

224

Multiple dimensions of resource limitation in tropical forests  

Science Journals Connector (OSTI)

...far more difficult. Yet, those models are essential. Recent attempts to incorporate nutrient limitation into Earth system models of the coupled carbon and climate system (e.g., ref. 17) have revealed two things. First, representation...

Alan R. Townsend; Gregory P. Asner

2013-01-01T23:59:59.000Z

225

Limits to the representation capacity of imaging in random media  

Science Journals Connector (OSTI)

The information capacity of an image in the atmosphere, ocean, or biological media does not grow indefinitely with increasing light power but has well defined limits. Here, the exact...

Belmonte, Aniceto

2013-01-01T23:59:59.000Z

226

Fundamentals of PV Efficiency: Limits for Light Absorption  

E-Print Network [OSTI]

A simple thermodynamic argument related to a (weakly absorbing) finite dielectric slab illuminated by sunlight- originally suggested by Yablonovich- leads to the conclusion that the absorption in a dielectric can at best be increased by a factor 4n2. Therefore, the absorption in these materials is always imperfect; the Shockley-Queisser limit can be achieved only asymptotically. In this paper, we make the connection between the degradation in efficiency and the Yablonovich limit explicit and re-derive the 4n2 limit by intuitive geometrical arguments based on Snell's law and elementary rules of probability. Remarkably, the re-derivation suggests strategies of breaking the traditional limit and improving PV efficiency by enhanced light absorption.

M. Ryyan Khan; Xufeng Wang; Muhammad A. Alam

2012-12-11T23:59:59.000Z

227

A regularized limited-memory BFGS method for unconstrained ...  

E-Print Network [OSTI]

Aug 5, 2014 ... the BFGS method requires O(n2) memory to store the approximate ... A popular method for large-scale problems (1.1) is the limited-memory.

2014-08-05T23:59:59.000Z

228

Use of Authorized Limits During Decontamination and Demolition Phase  

Broader source: Energy.gov [DOE]

USE OF AUTHORIZED LIMITS DURING DECONTAMINATION AND DEMOLITION PHASE Protecting the public and the environment against undue risk from radiation associated with radiological activities conducted under the control of the Department of Energy (DOE) is the purpose of DOE environmental radiation protection programs. To meet this objective, DOE Order (O) 458.1, Radiation Protection of the Public and the Environment contains radiation protection requirements including a 100 mrem/yr public dose limit and two property clearance dose constraints, 1 mrem/yr and 25 mrem/yr. During D&D activities of facilities, some waste and materials generated results in the clearance of property that does not meet the requirements for unrestricted release of surface contaminated objects as set forth in DOE O 458.1. Radioactive material on or within material, equipment, and real property which is approved for release when the radiological conditions of the material, equipment, and real property that have been documented to comply with the criteria for release set forth in a DOE Authorized Limits are exempt from 10 CFR Part 835. The development of Authorized Limits involves an evaluation process whereby land and structures, discrete items, or personal property may be cleared even though they contain minute, residual amounts of radioactivity from DOE activities. DOE O 458.1 outlines the requirements for the development and approval of Authorized Limits. By developing and applying Authorized Limits, some of the waste generated during the D&D may be sent to a public or DOE landfill for disposal instead of a Low Level Waste disposal facility without compromise in health and safety. Authorized Limits have been developed, approved, and are being applied in D&D activities at the Portsmouth and Paducah Gaseous Diffusion Plants. The development of more Authorized Limits is planned for upcoming D&D activities. The waste streams to which Authorized Limits are applied include liquid waste (oil) and solid waste. Authorized Limits have also been developed for buffer land surrounding the Paducah Gaseous Diffusion Plant as part of the long-term property management plan for the area. Currently, Authorized Limits for DOE buffer land at Portsmouth is being developed.

229

Thermodynamic Limits, Non-commutative Probability, and Quantum Entanglement  

E-Print Network [OSTI]

We construct a rigourous model of quantum measurement. A two-state model of a negative temperature amplifier, such as a laser, is taken to a classical thermodynamic limit. In the limit, it becomes a classical measurement apparatus obeying the stochastic axioms of quantum mechanics. Thus we derive the probabilities from a deterministic Schroedinger's equation by procedures analogous to those of classical statistical mechanics. This requires making precise the notion of `macroscopic.'

Joseph F. Johnson

2005-07-02T23:59:59.000Z

230

A dc superconducting fault current limiter using die-pressed  

Science Journals Connector (OSTI)

A model of a superconducting fault current limiter on a polycrystalline high-temperature superconductor basis is checked in the dc short circuit regime. Protection of load takes place under the conditions described in this paper. The use of ceramic materials with superconducting-normal metal-superconducting Josephson junction network having an S-type current-voltage characteristic (CVC) is shown to be effective for fault current limiter devices.

A G Mamalis; M I Petrov; D A Balaev; K A; D M Gohfeld; S V Militsyn; S G; V I Kirko; I N Vottea

2001-01-01T23:59:59.000Z

231

Newtonian limit of fully nonlinear cosmological perturbations in Einstein's gravity  

SciTech Connect (OSTI)

We prove that in the infinite speed-of-light limit (i.e., non-relativistic and subhorizon limits), the relativistic fully nonlinear cosmological perturbation equations in two gauge conditions, the zero-shear gauge and the uniform-expansion gauge, exactly reproduce the Newtonian hydrodynamic perturbation equations in the cosmological background; as a consequence, in the same two gauge conditions, the Newtonian hydrodynamic equations are exactly recovered in the Minkowsky background.

Hwang, Jai-chan [Department of Astronomy and Atmospheric Sciences, Kyungpook National University, Daegu 702-701 (Korea, Republic of); Noh, Hyerim, E-mail: jchan@knu.ac.kr, E-mail: hr@kasi.re.kr [Korea Astronomy and Space Science Institute, Daejeon 305-348 (Korea, Republic of)

2013-04-01T23:59:59.000Z

232

Solid-state current limiter for power distribution system  

SciTech Connect (OSTI)

To prevent voltage decrease of distribution systems, the principle and fundamental characteristics of a solid-state current limiter using GTO thyristors were investigated. Basic components of the apparatus were a fast solid-state switch and a current limiting impedance of low resistance in parallel with the switch. Experimental results of the test current limiter showed the fault current was limited successfully, regardless of DC component size. The time from detection of fault current was limited successfully, regardless of DC component size. The time from detection of fault occurrence to interruption of the fault current by the solid-state switch was 40 [mu]s. This time was very short in comparison with that before the fault current reached a large value. Thermal rise of the solid-state switch for conduction was solved by a self-cooling apparatus using a non-combustible cooling liquid. The results indicated that the solid-state current limiter was a valuable protecting device for high fault current distribution systems.

Ueda, T.; Morita, M. (Chubu Electric Power Co. Inc., Nagoya (Japan)); Arita, H.; Kida, J.; Kurosawa, Y.; Yamagiwa, T. (Hitachi Ltd., Ibaraki (Japan). Hitachi Research Lab.)

1993-10-01T23:59:59.000Z

233

Toroidal midplane neutral beam armor and plasma limiter  

DOE Patents [OSTI]

For use in a tokamak fusion reactor having a midplane magnetic coil on the inner wall of an evacuated toriodal chamber within which a neutral beam heated, fusing plasma is magnetically confined, a neutral beam armor shield and plasma limiter is provided on the inner wall of the toroidal chamber to shield the midplane coil from neutral beam shine-thru and plasma deposition. The armor shield/plasma limiter forms a semicircular enclosure around the midplane coil with the outer surface of the armor shield/plasma limiter shaped to match, as closely as practical, the inner limiting magnetic flux surface of the toroidally confined, indented, bean-shaped plasma. The armor shield/plasma limiter includes a plurality of semicircular graphite plates each having a pair of coupled upper and lower sections with each plate positioned in intimate contact with an adjacent plate on each side thereof so as to form a closed, planar structure around the entire outer periphery of the circular midplane coil. The upper and lower plate sections are adapted for coupling to heat sensing thermocouples and to a circulating water conduit system for cooling the armor shield/plasma limiter.The inner center portion of each graphite plate is adapted to receive and enclose a section of a circular diagnostic magnetic flux loop so as to minimize the power from the plasma confinement chamber incident upon the flux loop.

Kugel, Henry W. (Somerset, NJ); Hand, Jr, Samuel W. (Hopewell Township, Mercer County, NJ); Ksayian, Haig (Titusville, NJ)

1986-01-01T23:59:59.000Z

234

Operating limit evaluation for disposal of uranium enrichment plant wastes  

SciTech Connect (OSTI)

A proposed solid waste landfill at Paducah Gaseous Diffusion Plant (PGDP) will accept wastes generated during normal plant operations that are considered to be non-radioactive. However, nearly all solid waste from any source or facility contains small amounts of radioactive material, due to the presence in most materials of trace quantities of such naturally occurring radionuclides as uranium and thorium. This paper describes an evaluation of operating limits, which are protective of public health and the environment, that would allow waste materials containing small amounts of radioactive material to be sent to a new solid waste landfill at PGDP. The operating limits are expressed as limits on concentrations of radionuclides in waste materials that could be sent to the landfill based on a site-specific analysis of the performance of the facility. These limits are advantageous to PGDP and DOE for several reasons. Most importantly, substantial cost savings in the management of waste is achieved. In addition, certain liabilities that could result from shipment of wastes to a commercial off-site solid waste landfill are avoided. Finally, assurance that disposal operations at the PGDP landfill are protective of public health and the environment is provided by establishing verifiable operating limits for small amounts of radioactive material; rather than relying solely on administrative controls. The operating limit determined in this study has been presented to the Commonwealth of Kentucky and accepted as a condition to be attached to the operating permit for the solid waste landfill.

Lee, D.W.; Kocher, D.C.; Wang, J.C.

1996-02-01T23:59:59.000Z

235

Fault Current Limit (FCL) Technology (Magnetic Valve Controlled Reactor-Type Fault Current Limiter Principle and Simulation)  

Science Journals Connector (OSTI)

Summarized the FCL practical research which faces to the key technical problems, briefly introduces the study of magnetic valve controllable reactor type fault current limiter principle, and the simulation result...

Chunzhe Shi

2012-01-01T23:59:59.000Z

236

ARM: Surface Radiation Measurement Quality Control testing, including climatologically configurable limits  

DOE Data Explorer [Office of Scientific and Technical Information (OSTI)]

Surface Radiation Measurement Quality Control testing, including climatologically configurable limits

Hodges, Gary; Stoffel, Tom; Kutchenreiter, Mark; Kay, Bev; Habte, Aron; Ritsche, Michael; Morris, Victor; Anderberg, Mary

237

Sri Chamundeswari Sugars Limited SCSL | Open Energy Information  

Open Energy Info (EERE)

Chamundeswari Sugars Limited SCSL Chamundeswari Sugars Limited SCSL Jump to: navigation, search Name Sri Chamundeswari Sugars Limited (SCSL) Place Bangalore, Karnataka, India Zip 560042 Sector Biomass Product Karnataka-based producer of sugar that has also developed biomass plants including a biogas plant. Coordinates 12.97092°, 77.60482° 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":12.97092,"lon":77.60482,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

238

China Longyuan Power Group Corporation Limited | Open Energy Information  

Open Energy Info (EERE)

Limited Limited Jump to: navigation, search Name China Longyuan Power Group Corporation Limited Place Beijing, Beijing Municipality, China Zip 100034 Sector Wind energy Product Subsidiary of large state owned power generator, Guodian, Longyuan is China's leading wind project developer by installed and planned capacity. Coordinates 39.90601°, 116.387909° 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":39.90601,"lon":116.387909,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

239

Reliance Industries Limited Solar Group | Open Energy Information  

Open Energy Info (EERE)

Reliance Industries Limited Solar Group Reliance Industries Limited Solar Group Jump to: navigation, search Name Reliance Industries Limited Solar Group Place Bangalore, Karnataka, India Zip 560076 Sector Solar Product String representation "Reliance solar, ... n solar energy." is too long. Coordinates 12.97092°, 77.60482° 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":12.97092,"lon":77.60482,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

240

The Green Renewable Energy Company Limited | Open Energy Information  

Open Energy Info (EERE)

Limited Limited Jump to: navigation, search Name The Green Renewable Energy Company Limited Place London, United Kingdom Sector Biomass Product Company to establish a portfolio of biomass plants in UK. Coordinates 51.506325°, -0.127144° 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":51.506325,"lon":-0.127144,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

Note: This page contains sample records for the topic "limits limits limits" 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

Limiting Factors for Convective Cloud Top Height in the Tropics  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Limiting Factors for Convective Cloud Top Limiting Factors for Convective Cloud Top Height in the Tropics M. P. Jensen and A. D. Del Genio National Aeronautics and Space Administration Goddard Institute for Space Studies Columbia University New York, New York Introduction Populations of tropical convective clouds are mainly comprised of three types: shallow trade cumulus, mid-level cumulus congestus and deep convective clouds (Johnson et al. 1999). Each of these cloud types has different impacts on the local radiation and water budgets. For climate model applications it is therefore important to understand the factors which determine the type of convective cloud that will occur. In this study, we concentrate on describing the factors that limit the cloud-top heights of mid-

242

Comments on Department of Energy's Emergency Order To Resume Limited  

Broader source: Energy.gov (indexed) [DOE]

on Department of Energy's Emergency Order To Resume on Department of Energy's Emergency Order To Resume Limited Operation at Mirant's Potomac River Generating Station and Proposed Mirant Compliance Plan Comments on Department of Energy's Emergency Order To Resume Limited Operation at Mirant's Potomac River Generating Station and Proposed Mirant Compliance Plan Docket No. EO-05-01: Riverkeeper, and the Anacostia Riverkeeper at Earth Conservation Corps, submits the following comments on the Department of Energy's December 20, 2005 Emergency Order 202-05-3 and on Mirant's proposed Compliance Plan filed pursuant to that Order. Dep't of Energy's Emergency Order To Resume Limited Operation at the Potomac River Generating Station, Alexandria, VA, in Response to Electricity Reliability Concerns in Washington, D.C., 71 Fed. Reg. 3279 (Jan. 20, 2006).

243

The Department of Energy's Limited English Proficiency Plan | Department of  

Broader source: Energy.gov (indexed) [DOE]

The Department of Energy's Limited English Proficiency Plan The Department of Energy's Limited English Proficiency Plan The Department of Energy's Limited English Proficiency Plan The identification of reasonable steps to provide oral and written services in languages otherthan English is to be determined on a case-by-case basis through a balancing of four factors. Among the factors to be considered are the number or proportion of LEP persons in the eligibleservice population, the frequency with which LEP individuals come in contact with the program,the importance of the service provided by the program, and the resources available to the agency.This document (hereinafter referred to as the "LEP Plan") is issued to provide general guidanceto Departmental elements on developing plans that will ensure meaningful access to

244

SULFATE SOLUBILITY LIMIT VERIFICATION FOR DWPF SLUDGE BATCH 7A  

SciTech Connect (OSTI)

During processing at the Defense Waste Processing Facility (DWPF), high sulfate concentrations in the feed are a concern to DWPF as it can lead to the formation of a detrimental, sulfate-rich, molten salt phase on the surface of the glass melt pool. To avoid these issues, a sulfate concentration limit was implemented into the Product Composition Control System (PCCS). Related to SB7a frit development efforts, the Savannah River National Laboratory (SRNL) assessed the viability of using the current 0.6 wt % SO{sub 4}{sup 2-} limit set for SB6 (in glass) and the possibility of increasing the SO{sub 4}{sup 2-} solubility limit in PCCS to account for anticipated sulfur concentrations, targeted waste loadings, and inclusion of secondary streams (e.g., Actinide Removal Process (ARP)) with two recommended frits (Frit 418 and Frit 702) for SB7a processing. For a nominal SB7a blend with a 63 inch SB6 heel remaining in Tank 40 (projection SB7a-63), a 0.60 wt% SO{sub 4}{sup 2-} in glass limit was determined for waste loadings of 34 wt% up to 40 wt% with Frit 418 based on crucible melts with batched chemicals. SRNL also examined the inclusion of ARP for the same blending scenario (SB7a-63-ARP) with Frit 418 and at least a 0.6 wt% SO{sub 4}{sup 2-} level, and waste loadings of 34 wt% to 40 wt% were also acceptable. When a visible yellow and/or white sulfate salt layer was visible on the surface of any cooled glass, it was assumed to have surpassed the solubility limit of SO{sub 4}{sup 2-} for that particular composition. All of the glasses fabricated at these concentrations did not exhibit a sulfate rich salt layer on the surface of the glass melt and retained the majority of the batched SO{sub 4}{sup 2-}. At higher levels of SO{sub 4}{sup 2-} 'spiked' into the projected sludge compositions over the aforementioned interval of waste loadings, with Frit 418, low viscosity sulfur layers were observed on the surface of glass melts which confirm exceeding the solubility limit. The same sludge scenarios were also tested with Frit 702 and all glasses did not exhibit sulfur layers on the surfaces of the glass melts at spiking levels up to 0.80 wt% SO{sub 4}{sup 2-}. An ultimate SO{sub 4}{sup 2-} limit was not defined with Frit 702, but if projected SO{sub 4}{sup 2-} concentrations are expected to increase with the onset of SB7a processing, a higher limit is achievable with Frit 702 than is achievable with Frit 418. Given the anticipated concentration of SO{sub 4}{sup 2-} for SB7a, a SO{sub 4}{sup 2-} limit of 0.6 wt % SO{sub 4}{sup 2-} is recommended for processing using Frit 418. Once the confirmed SB7a composition is known and should a higher limit be needed, SRNL can re-evaluate the limit based on the actual composition and provide an updated recommendation. It has been observed that higher levels of SO{sub 4}{sup 2-} in glass can be retained with compositional changes to the frit, as was demonstrated by the glasses fabricated using Frit 702. SRNL also recommends the continuation of studies to define a more 'global' sulfate concentration limit to account for future sludge batch composition uncertainties.

Billings, A.

2011-04-19T23:59:59.000Z

245

8 - Superconducting fault current limiters and power cables  

Science Journals Connector (OSTI)

Abstract: This chapter addresses the technology of superconducting power cables and superconducting fault current limiters. The first part of the chapter is a general summary of the electric power grid. This sets the stage for a discussion of the historical development of superconducting AC and DC cables, which begins with low temperature superconductor-based systems. It then describes the present state of superconducting cable technology and gives a summary of some of the major programs around the world. Whereas power cables may be thought of as a replacement for conventional power system components, fault current limiters and fault current controllers have no conventional equivalent in the power grid. Several conceptually different fault current limiter designs are described. Their state of development and installation on the power grid are described.

W. Hassenzahl

2012-01-01T23:59:59.000Z

246

Ecotality Inc formerly Alchemy Enterprises Limited | Open Energy  

Open Energy Info (EERE)

Alchemy Enterprises Limited Alchemy Enterprises Limited Jump to: navigation, search Name Ecotality Inc (formerly Alchemy Enterprises Limited) Place Scottsdale, Arizona Zip 85251 Sector Renewable Energy Product US technology company focused on commercializing renewable technologies through acquisition or direct investment of start-ups. Coordinates 33.494°, -111.920694° 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":33.494,"lon":-111.920694,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

247

Argonne CNM Highlight: Exploring the limits of antiferromagnetism in  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

spin structure of manganese monolayer ; (Top) Schematic of the spin structure of the Mn monolayer on W(110) (6-nm repeat structure). (a) Topography and (b) differential conductance at 40 K. (Inset) High-resolution topographic data taken with a spin-sensitive tip; stripe contrast is related to the degree of antiferromagnetic order. Exploring the limits of antiferromagnetism in nanostructured materials Researchers in the Electronic & Magnetic Materials & Devices Group and at Politecnico di Milano in Italy explored the limits of antiferromagnetism in a nanostructured material for the first time, measuring the temperature required to support antiferromagnetic order in atomic monolayers of manganese on tungsten as the dimensions of the structures are reduced.

248

Representation of Limited Rights Data and Restricted Computer Software  

Broader source: Energy.gov (indexed) [DOE]

August 2005 August 2005 Applicant Name___________________________________ Announcement Number______________________________ Representation of Limited Rights Data and Restricted Computer Software (a) Any data delivered under an award resulting from this announcement is subject to the Rights in Data - General or the Rights in Data - Programs Covered Under Special Data Statutes clause (See Intellectual Property Provisions at http://www.gc.energy.gov/financial_assistance_awards.htm). Under these clauses, the Recipient may withhold from delivery data that qualify as limited rights data or restricted computer software. As an aid in determining the Government's need to include Alternate

249

Fault current limiter with shield and adjacent cores  

DOE Patents [OSTI]

In a fault current limiter (FCL) of a saturated core type having at least one coil wound around a high permeability material, a method of suppressing the time derivative of the fault current at the zero current point includes the following step: utilizing an electromagnetic screen or shield around the AC coil to suppress the time derivative current levels during zero current conditions.

Darmann, Francis Anthony; Moriconi, Franco; Hodge, Eoin Patrick

2013-10-22T23:59:59.000Z

250

Solar geoengineering to limit the rate of temperature change  

Science Journals Connector (OSTI)

...original author and source are credited. Solar geoengineering to limit the rate of temperature...altering the Earth's energy budget . Solar geoengineering has been suggested as a...describe an alternative scenario in which solar geoengineering is used only to constrain...

2014-01-01T23:59:59.000Z

251

Model flames in the Boussinesq limit: Rising Natalia Vladimirova  

E-Print Network [OSTI]

Model flames in the Boussinesq limit: Rising bubbles Natalia Vladimirova ASC/Flash Center the Boussinesq buoyancy approximation, we study a bubble of reaction products rising in the reactant fluid under with a specified speed. The flame speed, although known for laminar flame, is #12;Model flames in the Boussinesq

Vladimirova, Natalia

252

Geometric aspects of scaling limits of random planar maps  

E-Print Network [OSTI]

Geometric aspects of scaling limits of random planar maps G. Miermont Fondation des Sciences of random planar maps CCF'08 1 / 18 #12;Planar maps Definition A planar map is a proper embedding of the sphere. One is interested in the properties of various families of maps. Familiar ones are triangulations

Miermont, Grégory

253

Weak field limit of Reissner-Nordström black hole lensing  

Science Journals Connector (OSTI)

We study gravitational lensing by a Reissner-Nordström black hole in the weak field limit. We obtain the basic equations for the deflection angle and time delay and find analytical expressions for the positions and amplifications of the primary and secondary images. Because of a net positive charge, the separation between images increases, but no change in the total magnification occurs.

Mauro Sereno

2004-01-13T23:59:59.000Z

254

Oxygen Consumption Rates of Bacteria under Nutrient-Limited Conditions  

Science Journals Connector (OSTI)

...research-article Environmental Microbiology Oxygen Consumption Rates of Bacteria under Nutrient-Limited...heterotrophic bacteria was measured. The oxygen consumption and population density of batch cultures...tracked for up to 200 days. The oxygen consumption per CFU (QO2) declined by more than...

Timothy E. Riedel; William M. Berelson; Kenneth H. Nealson; Steven E. Finkel

2013-06-14T23:59:59.000Z

255

HYBRID LIMIT CYCLES AND HYBRID POINCARE-BENDIXSON  

E-Print Network [OSTI]

HYBRID LIMIT CYCLES AND HYBRID POINCAR´E-BENDIXSON Slobodan N. Simi´c Department of Electrical regular hybrid systems with no branching (Simi´c et al., 2000a). The first one provides a condition for asymptotic stability of hybrid closed orbits in terms of contraction-expansion rates of resets and flows

Johansson, Karl Henrik

256

LIMITS OF THE RATIO OF MEAN RANGE TO STANDARD DEVIATION  

Science Journals Connector (OSTI)

......have wn(x-n) = no*{F*-*-(l- J1 )*-1 ]. P u t x = --a and obtain TUT* = wn(ji + a);x = a gives rur2 = wti{a -- fi) whence fi = 0 and x = a[F -1 -(l-F)"-1 ]. (2) This distribution must give an upper limit to dH since......

R. L. PLACKETT

1947-01-01T23:59:59.000Z

257

Unitary neutron matter in the on-shell limit  

E-Print Network [OSTI]

We compute the Bertsch parameter for neutron matter by using nucleon-nucleon interactions that are fully diagonal in momentum space. We analyze the on-shell limit with the similarity renormalization group and compare the results for a simple separable toy model to realistic calculations with high precision $NN$ potentials.

Enrique Ruiz Arriola; Sergio Szpigel; Varese Salvador Timoteo

2014-12-05T23:59:59.000Z

258

The Filter Dichotomy and medial limits Paul B. Larson*  

E-Print Network [OSTI]

measurable function from P(!) to the unit interval [0, 1] which is finitely additive for disjoint sets that there are no medial limits. 2000 Mathematics Subject Classification 03E35; 28A20 1 Universally measurable sets A measure on a set X is a function ~ whose domain is some oe-algebra of subsets of X, with codomain [0, 1

Larson, Paul B.

259

ETHTH/9926 ON A CLASSICAL LIMIT OF QUANTUM THEORY  

E-Print Network [OSTI]

--8093 Z¨urich, Switzerland 2 Courant Institute of Mathematical Sciences, New York University, 251 Mercer Street, New York, NY 10471, USA #12; On a Classical Limit of Quantum Theory . . . , 1 1 GeneralB and ~, and from the speed of light, c, and Newton's law of gravitational attraction he could then infer

260

Gravity-induced electric polarisation near the Schwarzschild limit  

Science Journals Connector (OSTI)

... no doubt produces extremely small consequences. But in a collapsed star lying near to its Schwarzschild limit the local value of g may be large enough to produce observable effects, ... in conjunction with a rapid rotation of the star3. Thus if we apply the usual Schwarzschild metric to a condensed object then the local value of the gravitational intensity on the ...

W. DAVIDSON; H. J. EFINGER

1974-05-31T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Size-consistent Brueckner theory limited to double substitutions  

Science Journals Connector (OSTI)

A size-consistent set of equations for electron correlation which are limited to double substitutions, based on Brueckner orbitals, is discussed. Called BD theory, it is shown that at fifth order of perturbation theory, BD incorporates more terms than CCSD and QCISD. The simplicity of the equations leads to an elegant gradient theory. Preliminary applications are reported.

Nicholas C. Handy; John A. Pople; Martin Head-Gordon; Krishnan Raghavachari; Gary W. Trucks

1989-01-01T23:59:59.000Z

262

Introduction Increasing demands on limited water resources have made  

E-Print Network [OSTI]

Introduction Increasing demands on limited water resources have made wastewater recycling quality, containing numerous microbiological and chemical contaminants, than recycled wastewater that has such that recycled water is of sufficient quality to satisfy most non-potable demands, and as such, recycled water

Sanderson, Mike

263

PRESENT LIMITATIONS OF CdTe DETECTORS IN NUCLEAR MEDICINE  

E-Print Network [OSTI]

365 PRESENT LIMITATIONS OF CdTe DETECTORS IN NUCLEAR MEDICINE R. ALLEMAND, P. BOUTEILLER, M. LAVAL quality criteria, it is necessary to compare Cd-Te detectors results (or estimated characteristics) with other methods (i. e. 8cintillation cameras) in order to know the effective interest of Cd-Te in nuclear

Boyer, Edmond

264

LIMITED POWER BURSTS IN DISTRIBUTED MODELS OF NUCLEAR REACTORS  

E-Print Network [OSTI]

LIMITED POWER BURSTS IN DISTRIBUTED MODELS OF NUCLEAR REACTORS M. V. Bazhenov and E. F. Sabaev UDC employed for analyzing reactor dynamics. Equations of this type are used for analyzing the stability of the reactor power, etc. Among these problems the question of the boundedness of reactor power bursts

Bazhenov, Maxim

265

Recent Liquid Lithium Limiter Experiments in CDX-U  

SciTech Connect (OSTI)

Recent experiments in the Current Drive eXperiment-Upgrade (CDX-U) provide a first-ever test of large area liquid lithium surfaces as a tokamak first wall, to gain engineering experience with a liquid metal first wall, and to investigate whether very low recycling plasma regimes can be accessed with lithium walls. The CDX-U is a compact (R=34 cm, a=22 cm, B{sub toroidal} = 2 kG, I{sub P} =100 kA, T{sub e}(0) {approx} 100 eV, n{sub e}(0) {approx} 5 x 10{sup 19} m{sup -3}) spherical torus at the Princeton Plasma Physics Laboratory. A toroidal liquid lithium pool limiter with an area of 2000 cm{sup 2} (half the total plasma limiting surface) has been installed in CDX-U. Tokamak discharges which used the liquid lithium pool limiter required a fourfold lower loop voltage to sustain the plasma current, and a factor of 5-8 increase in gas fueling to achieve a comparable density, indicating that recycling is strongly reduced. Modeling of the discharges demonstrated that the lithium limited discharges are consistent with Z{sub effective} < 1.2 (compared to 2.4 for the pre-lithium discharges), a broadened current channel, and a 25% increase in the core electron temperature. Spectroscopic measurements indicate that edge oxygen and carbon radiation are strongly reduced.

R. Majeski; S. Jardin; R. Kaita; T. Gray; P. Marfuta; J. Spaleta; J. Timberlake; L. Zakharov; G. Antar; R. Doerner; S. Luckhardt; R. Seraydarian; V. Soukhanovskii; R. Maingi; M. Finkenthal; D. Stutman; D. Rodgers; S. Angelini

2005-05-03T23:59:59.000Z

266

Liquid Lithium Limiter Experiments in CDX-U  

SciTech Connect (OSTI)

Recent experiments in the Current Drive Experiment-Upgrade provide a first-ever test of large area liquid lithium surfaces as a tokamak first wall, to gain engineering experience with a liquid metal first wall, and to investigate whether very low recycling plasma regimes can be accessed with lithium walls. The CDX-U is a compact (R = 34 cm, a = 22 cm, B{sub toroidal} = 2 kG, I{sub P} = 100 kA, T{sub e}(0) = 100 eV, n{sub e}(0) {approx} 5 x 10{sup 19} m{sup -3}) spherical torus at the Princeton Plasma Physics Laboratory. A toroidal liquid lithium tray limiter with an area of 2000 cm{sup 2} (half the total plasma limiting surface) has been installed in CDX-U. Tokamak discharges which used the liquid lithium limiter required a fourfold lower loop voltage to sustain the plasma current, and a factor of 5-8 increase in gas fueling to achieve a comparable density, indicating that recycling is strongly reduced. Modeling of the discharges demonstrated that the lithium-limited discharges are consistent with Z{sub effective} < 1.2 (compared to 2.4 for the pre-lithium discharges), a broadened current channel, and a 25% increase in the core electron temperature. Spectroscopic measurements indicate that edge oxygen and carbon radiation are strongly reduced.

R. Majeski; S. Jardin; R. Kaita; T. Gray; P. Marfuta; J. Spaleta; J. Timberlake; L. Zakharov; G. Antar; R. Doerner; S. Luckhardt; R. Seraydarian; V. Soukhanovskii; R. Maingi; M. Finkenthal; D. Stutman; D. Rodgers

2004-10-28T23:59:59.000Z

267

Solar panels are cost intensive, have limitations with respect to  

E-Print Network [OSTI]

advantage of being able to convert sunlight into clean energy. After the glass is coated, we install clean electricity. Advantages · Building-integratable. · Contributes to EU targets towards energySolar panels are cost intensive, have limitations with respect to where they can be integrated

Langendoen, Koen

268

Fault current limiter and alternating current circuit breaker  

DOE Patents [OSTI]

A solid-state circuit breaker and current limiter are disclosed for a load served by an alternating current source having a source impedance, the solid-state circuit breaker and current limiter comprising a thyristor bridge interposed between the alternating current source and the load, the thyristor bridge having four thyristor legs and four nodes, with a first node connected to the alternating current source, and a second node connected to the load. A coil is connected from a third node to a fourth node, the coil having an impedance of a value calculated to limit the current flowing therethrough to a predetermined value. Control means are connected to the thyristor legs for limiting the alternating current flow to the load under fault conditions to a predetermined level, and for gating the thyristor bridge under fault conditions to quickly reduce alternating current flowing therethrough to zero and thereafter to maintain the thyristor bridge in an electrically open condition preventing the alternating current from flowing therethrough for a predetermined period of time. 9 figs.

Boenig, H.J.

1998-03-10T23:59:59.000Z

269

Fault current limiter and alternating current circuit breaker  

SciTech Connect (OSTI)

A solid-state circuit breaker and current limiter for a load served by an alternating current source having a source impedance, the solid-state circuit breaker and current limiter comprising a thyristor bridge interposed between the alternating current source and the load, the thyristor bridge having four thyristor legs and four nodes, with a first node connected to the alternating current source, and a second node connected to the load. A coil is connected from a third node to a fourth node, the coil having an impedance of a value calculated to limit the current flowing therethrough to a predetermined value. Control means are connected to the thyristor legs for limiting the alternating current flow to the load under fault conditions to a predetermined level, and for gating the thyristor bridge under fault conditions to quickly reduce alternating current flowing therethrough to zero and thereafter to maintain the thyristor bridge in an electrically open condition preventing the alternating current from flowing therethrough for a predetermined period of time.

Boenig, Heinrich J. (Los Alamos, NM)

1998-01-01T23:59:59.000Z

270

Experimental study on characteristics of superconducting fault current limiters connected  

Science Journals Connector (OSTI)

Superconducting fault current limiters (SCFCLs) can reduce fault current; thus SCFCLs allow the capacity of circuit breakers to be reduced and lend flexibility to power system network designs. Furthermore, SCFCLs are expected to improve power system stability, as has been confirmed by some experiments. Therefore, various kinds of SCFCLs were proposed and have been studied. For introducing SCFCLs in power systems, there should be some specifications, such as the impedance, the trigger current level, and the recovery time. Fault analyses pointed out that accuracy of the trigger current level is required. A transformer type SCFCL with an adjustable trigger current level was proposed, designed, made, and tested. Then, limiting tests on three-phase SCFCLs by use of an artificial transmission line with a small generator were carried out. The test results indicated that at phase-to-phase faults, the SCFCLs for the fault phases do not always turn into the limiting mode. From two points of view, it is important to study characteristics of the series connection for SCFCLs: one is as mentioned above, and the other is that a series connection of some SCFCLs of small impedance may be installed in place of an SCFCL of larger impedance. This paper describes the results of limiting tests on two SCFCLs connected in series. The tests were carried out under some different conditions of fault currents, fault phases, and trigger current levels of SCFCLs. Some discussion on characteristics of series connection of SCFCLs appears also.

Hiroyuki Hatta; Tanzo Nitta; Tomomi Oide; Masakuni Chiba; Yasuyuki Shirai; Akihiro Mochida

2004-01-01T23:59:59.000Z

271

Radiative transport limit for the random Schrodinger Guillaume Bal  

E-Print Network [OSTI]

Radiative transport limit for the random Schr¨odinger equation Guillaume Bal George Papanicolaou converges to the solution of a radiative transport equation. The propagation of wave energy in a scattering Leonid Ryzhik May 8, 2002 Abstract We give a detailed mathematical analysis of the radiative transport

Papanicolaou, George C.

272

Radiative transport limit for the random Schrödinger equation  

E-Print Network [OSTI]

We give a detailed mathematical analysis of the radiative transport limit for the average phase space density of solutions of the Schroedinger equation with time dependent random potential. Our derivation is based on the construction of an approximate martingale for the random Wigner distribution.

Guillaume Bal; George Papanicolaou; Leonid Ryzhik

2001-08-14T23:59:59.000Z

273

Limits to Electron Beam Emittance from Stochastic Coulomb Interactions  

SciTech Connect (OSTI)

Dense electron beams can now be generated on an ultrafast timescale using laser driven photo-cathodes and these are used for a range of applications from ultrafast electron defraction to free electron lasers. Here we determine a lower bound to the emittance of an electron beam limited by fundamental stochastic Coulomb interactions.

Coleman-Smith, Christopher; Padmore, Howard A.; Wan, Weishi

2008-08-22T23:59:59.000Z

274

Information Theory and Observational Limitations in Decision Making  

E-Print Network [OSTI]

#12;Information Theory and Observational Limitations in Decision Making David H. Wolpert Santa Fe: Hedonic utility, risk attitudes, S-shaped utility, decision theory, constrained obser- vation, bounded for formalizing and analyzing the problem faced by a Decision Maker (DM) working under information

275

CLOUD PHYSICS From aerosol-limited to invigoration  

E-Print Network [OSTI]

CLOUD PHYSICS From aerosol-limited to invigoration of warm convective clouds Ilan Koren,1 * Guy Dagan,1 Orit Altaratz1 Among all cloud-aerosol interactions, the invigoration effect is the most elusive. Most of the studies that do suggest this effect link it to deep convective clouds with a warm base

Napp, Nils

276

Implementations of quantum logic: fundamental and experimental limits  

Science Journals Connector (OSTI)

...these to come closer to the fundamental limits, such that at least...of computation reveals the fundamental connections between the laws...at the output of the OR gate does not provide enough information...motional state, but this operator does not change the dressed-state...

1998-01-01T23:59:59.000Z

277

Optimization of complex robot applications under real physical limitations  

E-Print Network [OSTI]

Optimization of complex robot applications under real physical limitations Matthieu Guilbert Pierre-Brice Wieber Luc Joly August 30, 2007 Abstract This paper deals with minimum time trajectory optimization difficult or even impossible to model. The structure of the optimization problem allows us to decompose

Paris-Sud XI, Université de

278

The Family of "Circle Limit III" Escher Patterns Douglas Dunham  

E-Print Network [OSTI]

consider the third one of this sequence, Circle Limit III -- a pattern of fish, to be the most beautiful. In this woodcut, four fish meet at right fin tips, three fish meet at left fin tips, and three fish meet at their noses. The backbones of the fish are aligned along white circular arcs. Fish on one arc are the same

Dunham, Doug

279

Limits to Value in Electronic Commerce-Related IT Investments  

Science Journals Connector (OSTI)

This paper extends the limits-to-value model of Davern and Kauffman to explore market and process-level factors that impact value flows to firms for their information technology (IT) investments. We characterize IT value in terms of potential value and ... Keywords: Business Value Case Study Corporate Travel Industry Ey Words And Phrases Conversion Barriers Electronic Commerce Information Technology Investments Valuation Barriers

Alina M. Chircu; Robert J. Kauffman

2000-08-01T23:59:59.000Z

280

Limit on the electric charge-nonconserving $?^+ \\to invisible$ decay  

E-Print Network [OSTI]

The first limit on the branching ratio of the electric charge-nonconserving invisible muon decay $Br(\\mu^+ \\to invisible) invisible$ decay rate are discussed. These leptonic charge-nonconserving processes may hold in four-dimensional world in models with infinite extra dimensions, thus making their searches complementary to collider experiments probing new physics.

S. N. Gninenko

2007-07-24T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Limited-Information Modeling of Loggerhead Turtle Population Size  

E-Print Network [OSTI]

Limited-Information Modeling of Loggerhead Turtle Population Size John M. Grego University of South June 28, 2012 Abstract We attempt to estimate the size of a population of female loggerhead turtles. For these loggerhead turtle data, information about individual turtles is not available. Rather, we observe only

Hitchcock, David B.

282

Geometric Tomography: A Limited-View Approach for Computed Tomography  

E-Print Network [OSTI]

Geometric Tomography: A Limited-View Approach for Computed Tomography Peter B. Noël, Jinhui Xu Keywords Computed Tomography; Geometric Compressed Sensing; Topo- logical Peeling. ABSTRACT Computed to generate 3D data, denoted f, directly from projec- tions, denoted g. Thus, the projection relationship can

Corso, Jason J.

283

Safe Overprovisioning: Using Power Limits to Increase Aggregate Throughput  

E-Print Network [OSTI]

-scalable system components allow for dynamically controlling power consumption with an accompanying ef- fect disruptions occur along with the ability to monitor aggregate power usage [4]. Hardware provides a meansSafe Overprovisioning: Using Power Limits to Increase Aggregate Throughput Mark E. Femal

Reeves, Douglas S.

284

The infinite interface limit of multiple-region relaxed magnetohydrodynamics  

SciTech Connect (OSTI)

We show the stepped-pressure equilibria that are obtained from a generalization of Taylor relaxation known as multi-region, relaxed magnetohydrodynamics (MRXMHD) are also generalizations of ideal magnetohydrodynamics (ideal MHD). We show this by proving that as the number of plasma regions becomes infinite, MRXMHD reduces to ideal MHD. Numerical convergence studies illustrating this limit are presented.

Dennis, G. R.; Dewar, R. L.; Hole, M. J. [Research School of Physics and Engineering, Australian National University, ACT 0200 (Australia); Hudson, S. R. [Princeton Plasma Physics Laboratory, P.O. Box 451, Princeton, New Jersey 08543 (United States)

2013-03-15T23:59:59.000Z

285

Maxwell's approach to effective conductivity and its limitations  

Science Journals Connector (OSTI)

......effective conductivity tensor does not contain the differences...form of the limit (17) which does not exist for some distributions...SCMs. So, the divergent sum does really diverge for some distributions...American Geophysical Union Handbook of Physical Constants (eds......

V. Mityushev; N. Rylko

2013-05-01T23:59:59.000Z

286

Reducing Energy Demand: What Are the Practical Limits?  

Science Journals Connector (OSTI)

Reducing Energy Demand: What Are the Practical Limits? ... Global demand for energy could be reduced by up to 73% through practical efficiency improvements “passive systems”, the last technical components in each energy chain. ... This paper aims to draw attention to the opportunity for major reduction in energy demand, by presenting an analysis of how much of current global energy demand could be avoided. ...

Jonathan M. Cullen; Julian M. Allwood; Edward H. Borgstein

2011-01-12T23:59:59.000Z

287

By Access Limitation | Scientific and Technical Information Program  

Office of Scientific and Technical Information (OSTI)

By Access Limitation By Access Limitation Print page Print page Email page Email page Publicly Releasable Announcement Notice Options Unlimited Announcement AN 241.1 Harvesting (OSTI-to-Site) Batch Upload (Site-to-OSTI) AN 241.3 AN 241.4 Opennet AN 241.1 Controlled Unclassified Information (CUI) Copyrighted Material With Restrictions AN 241.1 Batch Upload (Site-to-OSTI) AN 241.3 Small Business Innovative Research AN 241.3 Small Business Technology Transfer Research AN 241.3 Naval Nuclear Propulsion Information AN 241.1 Batch Upload (Site-to-OSTI) Official Use Only (OUO) Categories - Official Use Only (OUO) AN 241.1 Batch Upload (Site-to-OSTI) - Export Controlled - Information AN 241.1 Batch Upload (Site-to-OSTI) - Security Sensitive Information AN 241.1 Batch Upload (Site-to-OSTI) AN 241.3 - Protected Data -CRADA Or Other

288

A LIMITED LIABILITY PARTNERSHIP 1050 Thomas Jefferson Street, NW  

Broader source: Energy.gov (indexed) [DOE]

A LIMITED LIABILITY PARTNERSHIP A LIMITED LIABILITY PARTNERSHIP 1050 Thomas Jefferson Street, NW Seventh Floor Washington, DC 20007 (202) 298-1800 Phone (202) 338-2416 Fax MEMORANDUM TO: DOE Office of General Counsel FROM: Doug Smith DATE: August 29, 2013 RE: Record of Communication Concerning Ceiling Fan and Ceiling Fan Light Kit Framework Document-Docket No. EERE-2012-BT-STD-0045 This memo provides an overview of communications made to DOE staff on the subject of possible changes to standards and test procedures for ceiling fans and ceiling fan light kits. The communications occurred at a meeting held at 10:30 a.m. on August 20, 2013, following the close of the comment period on the initial framework document for ceiling fans and light kits. The meeting attendees included:

289

Slim completions offer limited stimulation variances: Part 3  

SciTech Connect (OSTI)

This is the third in a series of five articles addressing barriers to increased US utilization of slimhole drilling and completion techniques. Previous articles discussed slimhole drilling and cementing. The focus of this article is stimulation, with an emphasis on hydraulic fracturing. This series is based on a study conducted for Gas Research institute (GRI) by an industry team consisting of Maurer Engineering, BJ Services, Baker Oil tools, and Halliburton. Parts 1 and 2 were published in the September and October 1994 issues of Petroleum Engineer International, respectively. Potential cost saving resulting from slimhole drilling and completions of gas wells are often inhibited by the limitations on hydraulic fracturing. Variances from conventional fracturing include excessive friction pressure, fracture fluid degradation due to excessive shear rates, proppant bridging and limited diverting options.

Brunsman, B.J. (Gas Research Inst., Chicago, IL (United States)); Matson, R. (BJ Services Co., Tomball, TX (United States)); Shook, R.A. (Maurer Engineering Inc., Houston, TX (United States))

1994-12-01T23:59:59.000Z

290

Testing of 3-meter Prototype Fault Current Limiting Cables  

SciTech Connect (OSTI)

Two 3-m long, single-phase cables have been fabricated by Ultera from second generation (2G) superconductor supplied by American Superconductor. The first cable was made with two layers of 2G tape conductor and had a critical current of 5,750 A while the second cable had four layers and a critical current of 8,500 A. AC loss was measured for both cables at ac currents of up to 4 kArms. Ultera performed initial fault current studies of both cables in Denmark with limited currents in the range from 9.1 to 44 kA. Results from these tests will provide a basis for a 25-m long, three-phase, prototype cable to be tested at ORNL early next year and a 300-m long, fault current limiting, superconducting cable to be installed in a ConEd substation in New York City.

Gouge, Michael J [ORNL] [ORNL; Duckworth, Robert C [ORNL] [ORNL; Demko, Jonathan A [ORNL] [ORNL; Rey, Christopher M [ORNL] [ORNL; Thompson, James R [ORNL] [ORNL; Lindsay, David T [ORNL] [ORNL; Tolbert, Jerry Carlton [ORNL] [ORNL; Willen, Dag [Ultera] [Ultera; Lentge, Heidi [Ultera] [Ultera; Thidemann, Carsten [Ultera] [Ultera; Carter, Bill [AMSC] [AMSC

2009-01-01T23:59:59.000Z

291

The Limiting Distribution of Decoherent Quantum Random Walks  

E-Print Network [OSTI]

The behaviors of one-dimensional quantum random walks are strikingly different from those of classical ones. However, when decoherence is involved, the limiting distributions take on many classical features over time. In this paper, we study the decoherence on both position and ``coin'' spaces of the particle. We propose a new analytical approach to investigate these phenomena and obtain the generating functions which encode all the features of these walks. Specifically, from these generating functions, we find exact analytic expressions of several moments for the time and noise dependence of position. Moreover, the limiting position distributions of decoherent quantum random walks are shown to be Gaussian in an analytical manner. These results explicitly describe the relationship between the system and the level of decoherence.

Kai Zhang

2008-04-28T23:59:59.000Z

292

Conservative Moment Equations for Neutrino Radiation Transport with Limited Relativity  

E-Print Network [OSTI]

We derive conservative, multidimensional, energy-dependent moment equations for neutrino transport in core-collapse supernovae and related astrophysical systems, with particular attention to the consistency of conservative four-momentum and lepton number transport equations. After taking angular moments of conservative formulations of the general relativistic Boltzmann equation, we specialize to a conformally flat spacetime, which also serves as the basis for four further limits. Two of these---the multidimensional special relativistic case, and a conformally flat formulation of the spherically symmetric general relativistic case---are given in appendices for the sake of comparison with extant literature. The third limit is a weak-field, `pseudo-Newtonian' approach \\citep{kim_etal_2009,kim_etal_2012} in which the source of the gravitational potential includes the trace of the stress-energy tensor (rather than just the mass density), and all orders in fluid velocity $v$ are retained. Our primary interest here ...

Endeve, Eirik; Mezzacappa, Anthony

2012-01-01T23:59:59.000Z

293

Continuum Limit of gl(M/N) Spin Chains  

E-Print Network [OSTI]

We study the spectrum of an integrable antiferromagnetic Hamiltonian of the gl(M|N) spin chain of alternating fundamental and dual representations. After extensive numerical analysis, we identify the vacuum and low lying excitations and with this knowledge perform the continuum limit, while keeping a finite gap. All gl(n+N|N) spin chains with n,N>0 are shown to possess in the continuum limit 2n-2 multiplets of massive particles which scatter with gl(n) Gross-Neveu like S-matrices, namely their eigenvalues do not depend on N. We argue that the continuum theory is the gl(M|N) Gross-Neveu model. We then look for remaining particles in the gl(2m|1) chains. The results suggest there is a continuum of such particles, which in order to be fully understood require finite volume calculations.

Candu, Constantin

2010-01-01T23:59:59.000Z

294

Continuum Limit of gl(M/N) Spin Chains  

E-Print Network [OSTI]

We study the spectrum of an integrable antiferromagnetic Hamiltonian of the gl(M|N) spin chain of alternating fundamental and dual representations. After extensive numerical analysis, we identify the vacuum and low lying excitations and with this knowledge perform the continuum limit, while keeping a finite gap. All gl(n+N|N) spin chains with n,N>0 are shown to possess in the continuum limit 2n-2 multiplets of massive particles which scatter with gl(n) Gross-Neveu like S-matrices, namely their eigenvalues do not depend on N. We argue that the continuum theory is the gl(M|N) Gross-Neveu model. We then look for remaining particles in the gl(2m|1) chains. The results suggest there is a continuum of such particles, which in order to be fully understood require finite volume calculations.

Constantin Candu

2010-11-30T23:59:59.000Z

295

Self-Assembly and Transport Limitations in Confined Nafion Films  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Assembly and Transport Limitations in Confined Nafion Films Assembly and Transport Limitations in Confined Nafion Films Title Self-Assembly and Transport Limitations in Confined Nafion Films Publication Type Journal Article Year of Publication 2013 Authors Modestino, Miguel A., Devproshad K. Paul, Shudipto Dishari, Stephanie A. Petrina, Frances I. Allen, Michael A. Hickner, Kunal Karan, Rachel Segalman, and Adam Z. Weber Journal Macromolecules Volume 46 Issue 3 Pagination 867 - 873 Date Published 02/2013 ISSN 0024-9297 Abstract Ion-conducting polymers are important materials for a variety of electrochemical applications. Perfluorinated ionomers, such as Nafion, are the benchmark materials for proton conduction and are widely used in fuel cells and other electrochemical devices including solar-fuel generators, chlor-alkali cells, and redox flow batteries. While the behavior of Nafion in bulk membranes (10 to 100s ?m thick) has been studied extensively, understanding its properties under thin-film confinement is limited. Elucidating the behavior of thin Nafion films is particularly important for the optimization of fuel-cell catalyst layers or vapor-operated solar-fuel generators, where a thin film of ionomer is responsible for the transport of ions to and from the active electrocatalytic centers. Using a combination of transport-property measurements and structural characterization, this work demonstrates that confinement of Nafion in thin films induced thickness-dependent proton conductivity and ionic-domain structure. Confining Nafion films to thicknesses below 50 nm on a silicon substrate results in a loss of microphase separation of the hydrophilic and hydrophobic domains, which drastically increases the material?s water uptake while in turn decreasing its ionic conductivity.

296

Hyperbolic Conservation Laws and Hydrodynamic Limit for Particle Systems  

E-Print Network [OSTI]

We study the following class of scalar hyperbolic conservation laws with discontinuous fluxes: \\partial_t\\rho+\\partial_xF(x,\\rho)=0. The main feature of such a conservation law is the discontinuity of the flux function in the space variable x. Kruzkov's approach for the L1-contraction does not apply since it requires the Lipschitz continuity of the flux function; and entropy solutions even for the Riemann problem are not unique under the classical entropy conditions. On the other hand, it is known that, in statistical mechanics, some microscopic interacting particle systems with discontinuous speed parameter lambda(x), in the hydrodynamic limit, formally lead to scalar hyperbolic conservation laws with discontinuous fluxes of the form: \\partial_t\\rho+\\partial_x(\\lambda(x)h(\\rho))=0. The natural question arises which entropy solutions the hydrodynamic limit selects, thereby leading to a suitable, physical relevant notion of entropy solutions of this class of conservation laws. This paper is a first step and provides an answer to this question for a family of discontinuous flux functions. In particular, we identify the entropy condition for our PDE and proceed to show the well-posedness by combining our existence result with a uniqueness result of Audusse-Perthame (2005) for the family of flux functions; we establish a compactness framework for the hydrodynamic limit of large particle systems and the convergence of other approximate solutions to our PDE, which is based on the notion and reduction of measure-valued entropy solutions; and we finally establish the hydrodynamic limit for a ZRP with discontinuous speed-parameter governed by an entropy solution to our PDE.

Gui-Qiang Chen; Nadine Even; Christian Klingenberg

2007-10-01T23:59:59.000Z

297

Thermal hydraulic limits analysis using statistical propagation of parametric uncertainties  

SciTech Connect (OSTI)

The MIT Research Reactor (MITR) is evaluating the conversion from highly enriched uranium (HEU) to low enrichment uranium (LEU) fuel. In addition to the fuel element re-design, a reactor power upgraded from 6 MW to 7 MW is proposed in order to maintain the same reactor performance of the HEU core. Previous approach in analyzing the impact of engineering uncertainties on thermal hydraulic limits via the use of engineering hot channel factors (EHCFs) was unable to explicitly quantify the uncertainty and confidence level in reactor parameters. The objective of this study is to develop a methodology for MITR thermal hydraulic limits analysis by statistically combining engineering uncertainties with an aim to eliminate unnecessary conservatism inherent in traditional analyses. This method was employed to analyze the Limiting Safety System Settings (LSSS) for the MITR, which is the avoidance of the onset of nucleate boiling (ONB). Key parameters, such as coolant channel tolerances and heat transfer coefficients, were considered as normal distributions using Oracle Crystal Ball to calculate ONB. The LSSS power is determined with 99.7% confidence level. The LSSS power calculated using this new methodology is 9.1 MW, based on core outlet coolant temperature of 60 deg. C, and primary coolant flow rate of 1800 gpm, compared to 8.3 MW obtained from the analytical method using the EHCFs with same operating conditions. The same methodology was also used to calculate the safety limit (SL) for the MITR, conservatively determined using onset of flow instability (OFI) as the criterion, to verify that adequate safety margin exists between LSSS and SL. The calculated SL is 10.6 MW, which is 1.5 MW higher than LSSS. (authors)

Chiang, K. Y. [Nuclear Science and Engineering Dept., Massachusetts Inst. of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 (United States); Hu, L. W. [Nuclear Reactor Laboratory, Massachusetts Inst. of Technology, Cambridge, MA 02139 (United States); Forget, B. [Nuclear Science and Engineering Dept., Massachusetts Inst. of Technology, 77 Massachusetts Ave, Cambridge, MA 02139 (United States)

2012-07-01T23:59:59.000Z

298

Limits on Neutron Lorentz Violation from Pulsar Timing  

E-Print Network [OSTI]

Pulsars are the most accurate naturally occurring clocks, and data about them can be used to set bounds on neutron-sector Lorentz violations. If SO(3) rotation symmetry is completely broken for neutrons, then pulsars' rotation speeds will vary periodically. Pulsar timing data limits the relevant Lorentz-violating coefficients to be smaller than 1.7 x 10^(-8) at at least 90% confidence.

B. Altschul

2006-08-08T23:59:59.000Z

299

Parametrized Post-Newtonian Limit of Teleparallel Dark Energy Model  

E-Print Network [OSTI]

We study the post-Newtonian limit in the teleparallel equivalent of General Relativity with a scalar field which non-minimally couples to gravity. The metric perturbation is obtained from the vierbein field expansion with respect to the Minkowski background. Due to the structure of the teleparallel gravity Lagrangian, the potential of the scalar field shows no effect to the parametrized post-Newtonian parameters, and compatible results with Solar System observations are found.

Jung-Tsung Li; Yi-Peng Wu; Chao-Qiang Geng

2013-12-16T23:59:59.000Z

300

Radiation-effects limits on copper in superconducting magnets  

SciTech Connect (OSTI)

The determination of the response of copper stabilizers to neutron irradiation in fusion-reactor superconducting magnets requires information in four areas: (1) neutron flux and spectrum determination, (2) resistivity changes at zero field, (3) resistivity changes at field, and (4) the cyclic irradiation and annealing. Applications of our current understanding of the limits of copper stabilizers in fusion-reactor designs are explored in two examples. Recommendations for future additions to the data base are discussed.

Guinan, M.W.

1983-05-25T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Pushing high-heat-load optics to the limit  

Science Journals Connector (OSTI)

A cryogenically cooled silicon monochromator and a water-cooled diamond monochromator have been tested under twice the standard power load conditions at the Advanced Photon Source. Both monochromators performed satisfactorily under these extreme power loads (several hundred watts of incident power and up to 300 W/mm2 of incident normal peak power density). The experimental data and the parameters derived to predict the performance limits of the cryogenic silicon monochromator are presented.

P. B. Fernandez

2000-01-01T23:59:59.000Z

302

Limited Personal Use of Government Office Equipment including Information Technology  

Broader source: Directives, Delegations, and Requirements [Office of Management (MA)]

The Order establishes requirements and assigns responsibilities for employees' limited personal use of Government resources (office equipment and other resources including information technology) within DOE, including NNSA. The Order is required to provide guidance on appropriate and inappropriate uses of Government resources. This Order was certified 04/23/2009 as accurate and continues to be relevant and appropriate for use by the Department. Certified 4-23-09. No cancellation.

2005-01-07T23:59:59.000Z

303

Limits on electrophilic Dark Matter from LHC Monojets  

E-Print Network [OSTI]

Searches for WIMP Dark Matter particle at the LHC are considered from the point of view of the existence of a Dark Matter particle which couples primarily through the heavy gauge boson Z, as suggested by recent tentative evidence for a 130 GeV gamma line in the FermiLAT data. We compare three models in which the WIMP is a neutrino-like particle and consider the limits on such particle and interactions from LHC.

K. G. Savvidy

2014-10-22T23:59:59.000Z

304

TurboTech Precision Engineering Private Limited | Open Energy Information  

Open Energy Info (EERE)

TurboTech Precision Engineering Private Limited TurboTech Precision Engineering Private Limited Jump to: navigation, search Name TurboTech Precision Engineering Private Limited Place Bangalore, India Zip 560 044 Sector Efficiency Product Designs and manufactures of high-efficiency steam turbines in the 50-250kW range. Coordinates 12.97092°, 77.60482° 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":12.97092,"lon":77.60482,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

305

Huadian Inner Mongolia Kailu Wind Power Company Limited | Open Energy  

Open Energy Info (EERE)

Huadian Inner Mongolia Kailu Wind Power Company Limited Huadian Inner Mongolia Kailu Wind Power Company Limited Jump to: navigation, search Name Huadian Inner Mongolia Kailu Wind Power Company Limited Place Jinan, Inner Mongolia Autonomous Region, China Sector Wind energy Product Company engadged in the investment, construction, operation and management of wind power generation projects. Coordinates 36.65551°, 116.96701° 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":36.65551,"lon":116.96701,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

306

PetroChina Company Limited | Open Energy Information  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » PetroChina Company Limited Jump to: navigation, search Logo: PetroChina Company Limited Name PetroChina Company Limited Address 9 Dongzhimen North Street Place Beijing, China Phone number (86-10)59986037 Website http://www.petrochina.com.cn/P Coordinates 39.9457354°, 116.434079° 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":39.9457354,"lon":116.434079,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

307

Earls Nook Limited Formerly Biofuels Corporation Plc | Open Energy  

Open Energy Info (EERE)

Earls Nook Limited Formerly Biofuels Corporation Plc Earls Nook Limited Formerly Biofuels Corporation Plc Jump to: navigation, search Name Earls Nook Limited (Formerly Biofuels Corporation Plc) Place Teeside, United Kingdom Zip TS23 4EA Sector Biofuels Product Biofuels Corporation produces biodiesel, glycerine and potassium sulphate, and is building several plants in Teesside. Coordinates 34.609016°, -82.774818° 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":34.609016,"lon":-82.774818,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

308

EIA - International Energy Outlook 2008-Defining the Limits of Oil  

Gasoline and Diesel Fuel Update (EIA)

Defining the Limits of Oil Production Defining the Limits of Oil Production Preparing mid-term projections of oil production requires an assessment of the availability of resources to meet production requirements, particularly for the later years of the 2005-2030 projection period in IEO2008. The IEO2008 oil production projections were limited by three factors: the estimated quantity of petroleum in place before production begins (“petroleum-initially-in-place” or IIP), the percentage of IIP extracted over the life of a field (ultimate recovery factor), and the amount of oil that can be produced from a field in a single year as a function of its remaining reserves. Total IIP resources are the quantities of petroleum—both conventional and unconventional—estimated to exist originally in naturally occurring accumulations.a IIP resources are those quantities of petroleum which are estimated, on a given date, to be contained in known accumulations, plus those quantities already produced, as well as those estimated quantities in accumulations yet to be discovered. The estimate of IIP resources includes both recoverable and unrecoverable resources.

309

Limiting shapes of Ising droplets, Ising fingers, and Ising solitons  

Science Journals Connector (OSTI)

We examine the evolution of an Ising ferromagnet endowed with zero-temperature single spin-flip dynamics. A large droplet of one phase in the sea of the opposite phase eventually disappears. An interesting behavior occurs in the intermediate regime when the droplet is still very large compared to the lattice spacing, but already very small compared to the initial size. In this regime the shape of the droplet is essentially deterministic (fluctuations are negligible in comparison with characteristic size). In two dimensions the shape is also universal, that is, independent of the initial shape. We analytically determine the limiting shape of the Ising droplet on the square lattice. When the initial state is a semi-infinite stripe of one phase in the sea of the opposite phase, it evolves into a finger which translates along its axis. We determine the limiting shape and the velocity of the Ising finger on the square lattice. An analog of the Ising finger on the cubic lattice is the translating Ising soliton. We show that far away from the tip, the cross-section of the Ising soliton coincides with the limiting shape of the two-dimensional Ising droplet and we determine a relation between the cross-section area, the distance from the tip, and the velocity of the soliton.

P. L. Krapivsky

2012-01-31T23:59:59.000Z

310

On non-conformal limit of the AGT relations  

E-Print Network [OSTI]

The Seiberg-Witten prepotentials for N=2 SUSY gauge theories with N_flifted to the level of Nekrasov functions with arbitrary background parameters epsilon_1 and epsilon_2. The AGT relations imply that similar limit exists for conformal blocks (or, for generic N_c>2, for the blocks in conformal theories with W_{N_c} chiral algebra). We consider the limit of the four-point function explicitly in the Virasoro case of N_c=2, by bringing the dimensions of external states to infinity. The calculation is performed entirely in terms of representation theory for the Virasoro algebra and reproduces the answers conjectured in arXiv:0908.0307 with the help of the brane-compactification analysis and computer simulations. In this limit, the conformal block involving four external primaries, corresponding to the theory with vanishing beta-function, turns either into a 2-point or 3-point function, with certain coherent rather than primary external states.

A. Marshakov; A. Mironov; A. Morozov

2009-09-10T23:59:59.000Z

311

Limits to the radiative decay of the axion  

Science Journals Connector (OSTI)

An axion with a mass greater than 1 eV should be detectable through its decay into two photons. In this paper I discuss the astrophysical and cosmological limits which define a small window of allowed axion mass above 3 eV. A firm upper bound to the axion's mass of ma?8 eV is derived by considering the effect of decaying axions upon the diffuse extragalactic background radiation and the brightness of the night sky due to axions in the halo of our Galaxy. The intergalactic light of clusters of galaxies is shown to be an ideal place to search for an emission line arising from the radiative decay of axions. An unsuccessful search for this emission line in three clusters of galaxies is then detailed. Limits to the presence of any intracluster line emission are derived with the result that axions with masses between 3 and 8 eV are excluded by the data, effectively closing this window of axion mass, unless a severe cancellation of axionic decay amplitudes occurs. The intracluster flux limits are then used to constrain the amplitude of any such model dependence.

M. Ted Ressell

1991-11-15T23:59:59.000Z

312

Combined upper limit for SM Higgs at the Tevatron  

SciTech Connect (OSTI)

We combine results from CDF and D0 on direct searches for a standard model (SM) Higgs boson (H) in p{bar p} collisions at the Fermilab Tevatron at {radical}s = 1.96 TeV. Compared to the previous Higgs Tevatron combination, more data and new channels (WH {yields} {tau}{nu}b{bar b}, VH {yields} {tau}{tau}b{bar b}/jj{tau}{tau}, VH {yields} jjb{bar b}, t{bar t}H {yields} t{bar t}b{bar b}) have been added. Most previously used channels have been reanalyzed to gain sensitivity. We use the latest parton distribution functions and gg {yields} H theoretical cross sections when comparing our limits to the SM predictions. With 2.0-3.6 fb{sup -1} of data analyzed at CDF, and 0.9-4.2 fb{sup -1} at D0, the 95%C.L. upper limits on Higgs boson production are a factor of 2.5 (0.86) times the SM cross section for a Higgs boson mass of m{sub H} = 115 (165) GeV/c{sup 2}. Based on simulation, the corresponding median expected upper limits are 2.4 (1.1). The mass range excluded at 95% C.L. for a SM Higgs has been extended to 160 < m{sub H} < 170 GeV/c{sup 2}.

Penning, Bjorn; /Fermilab

2009-01-01T23:59:59.000Z

313

Superconducting fault current limiter with fast vacuum commutation modulus  

Science Journals Connector (OSTI)

A new approach to a problem of creation of a resistive version of superconducting fault current limiters (FCL) on the basis of HTS materials has been considered. According to this approach, a scheme of FCL is added by a commutation modulus which contains a fast vacuum interrupter. This interrupter allows one to switch off the transport current as soon as 5 ms after transition of the HTS element to the normal state. The proposed scheme allows one to restrict more than an order in value a necessary operation time of FCL in a regime of a current limitation. As a result, a time of recovering the superconducting state can be significantly reduced that allows FCL to operate in automatic iterative regime. The considering device can operate not only in high voltage ac transmission lines but also in dc electrical networks. A numerical simulation of transit processes in a proposed scheme of FCL has been performed for different regimes and its features are analyzed with respect to other schemes of FCL. An experimental study of test mock-up commutation elements of FCL has been performed. This study demonstrates an efficiency of the proposed scheme. A test of a FCL model with the limiting current up to 15 kA has been realized.

D Alferov; D Yevsin; L Fisher; V Ivanov; V Sidorov

2008-01-01T23:59:59.000Z

314

Toroidal midplane neutral beam armor and plasma limiter  

DOE Patents [OSTI]

This invention contemplates an armor shield/plasma limiter positioned upon the inner wall of a toroidal vacuum chamber within which is magnetically confined an energetic plasma in a tokamak nuclear fusion reactor. The armor shield/plasma limiter is thus of a general semi-toroidal shape and is comprised of a plurality of adjacent graphite plates positioned immediately adjacent to each other so as to form a continuous ring upon and around the toroidal chamber's inner wall and the reactor's midplane coil. Each plate has a generally semi-circular outer circumference and a recessed inner portion and is comprised of upper and lower half sections positioned immediately adjacent to one another along the midplane of the plate. With the upper and lower half sections thus joined, a channel or duct is provided within the midplane of the plate in which a magnetic flux loop is positioned. The magnetic flux loop is thus positioned immediately adjacent to the fusing toroidal plasma and serves as a diagnostic sensor with the armor shield/plasma limiter minimizing the amount of power from the energetic plasma as well as from the neutral particle beams heating the plasma incident upon the flux loop.

Kugel, H.W.; Hand, S.W. Jr.; Ksayian, H.

1985-05-31T23:59:59.000Z

315

New Limits On Gamma-Ray Emission From Galaxy Clusters  

E-Print Network [OSTI]

Galaxy clusters are predicted to produce gamma-rays through cosmic ray interactions and/or dark matter annihilation, potentially detectable by the Fermi Large Area Telescope (Fermi-LAT). We present a new, independent stacking analysis of Fermi-LAT photon count maps using the 79 richest nearby clusters (zSurvey (2MASS) cluster catalog. We obtain the lowest limit on the photon flux to date, 1.1e-11 ph/s/cm^2 (95% confidence) per cluster in the 0.8--100~GeV band, which corresponds to a luminosity limit of 1.7e44 ph/s. We also constrain the emission limits in a range of narrower energy bands. Scaling to recent cosmic ray acceleration and gamma-ray emission models, we find that cosmic rays represent a negligible contribution to the intra-cluster energy density and gas pressure. Furthermore, either accretion shocks must have lower Mach numbers than usually assumed (2--4) or significantly less than 50% of the baryon mass has been processed through such shocks, and thus, the majo...

Griffin, Rhiannon D; Kochanek, Christopher S

2014-01-01T23:59:59.000Z

316

Developing Low-Conductance Window Frames: Capabilities and Limitations of  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Developing Low-Conductance Window Frames: Capabilities and Limitations of Developing Low-Conductance Window Frames: Capabilities and Limitations of Current Window Heat Transfer Design Tools Title Developing Low-Conductance Window Frames: Capabilities and Limitations of Current Window Heat Transfer Design Tools Publication Type Journal Article LBNL Report Number LBNL-1022E Year of Publication 2008 Authors Gustavsen, Arlid, Dariush K. Arasteh, Bjørn Petter Jelle, Dragan C. Curcija, and Christian Kohler Journal Journal of Building Physics Volume 32 Pagination 131-153 Call Number LBNL-1022E Abstract While window frames typically represent 20-30% of the overall window area, their impact on the total window heat transfer rates may be much larger. This effect is even greater in low-conductance (highly insulating) windows which incorporate very low conductance glazings. Developing low-conductance window frames requires accurate simulation tools for product research and development. Based on a literature review and an evaluation of current methods of modeling heat transfer through window frames, we conclude that current procedures specified in ISO standards are not sufficiently adequate for accurately evaluating heat transfer through the low-conductance frames.

317

EDINBURGH TECHNOLOGY TRANSFER CENTRE LIMITED GUIDE TO INFORMATION AVAILABLE THROUGH OUR PUBLICATION SCHEME  

E-Print Network [OSTI]

EDINBURGH TECHNOLOGY TRANSFER CENTRE LIMITED GUIDE TO INFORMATION AVAILABLE THROUGH OUR PUBLICATION and what it might cost. Edinburgh Technology Transfer Centre Limited ("the company") has adopted the Model Unless otherwise stated, Edinburgh Technology Transfer Centre Limited reserves copyright in all

Edinburgh, University of

318

Thermodynamic limits to the quality of UCG product gas  

SciTech Connect (OSTI)

The goal of this work was to find the limits placed on the quality of UCG product gas by the energy and mass balances, including atom balances. If the outlet gas contains no O/sub 2/, there are only two independent variables. If these are chosen to be the mass fractions, X/sub CO/ and X/sub H/sub 2//, both the temperature of the outlet gas and the heat of combustion available by burning it are functions of these two variables only. The lines of constant temperature are parallel to the lines of constant heat of combustion, so it is clear that the available energy is partitioned between the sensible heat and the heat of combustion of the gas. The maximum heat available is set by the amount of oxygen in the inlet mixture; because the outlet temperature must exceed the minimum coal-surface temperature for burning, only heat losses within the system will generally reduce the heat of combustion. The maximum mass fractions of H/sub 2/ and CO in the product gas are limited by the impossibility of negative mass fractions of H/sub 2/O and CO/sub 2/. Additional limitations are imposed by the assumption of a minimum temperature. One of the two independent variables can be eliminated if the assumption of thermochemical equilibrium is valid. The product composition then lies on a single line in a phase plane of X/sub H/sub 2// vs X/sub CO/, and at a given outlet temperature the composition is fixed. Unfortunately, it appears that experimental values of X/sub H/sub 2// lie well above the equilibrium curve. Experimental data do indicate, however, that the system tends to operate near the minimum temperature to sustain the steam/char reaction on the coal surface, thus maximizing the heat of combustion of the outlet gas.

Creighton, J.

1982-08-03T23:59:59.000Z

319

Electron correlation calibrated at the large dimension limit  

Science Journals Connector (OSTI)

Correlation energies (CEs) for two?electron atom ground states have recently been obtained to good approximation from a simple perturbation treatment using 1/D as the expansion parameter with D the dimensionality of space. In hydrogenic units the CE varies almost linearly with 1/D between limits at D?1 and D?? which are exactly calculable. However for D?? the CE is only about 35% smaller than the ‘‘true?world’’ value at D=3. This is in striking contrast to the analogous error in the mean field approximation of statistical mechanics which vanishes for sufficiently large D. Here we show that the CE for D?? can be made to vanish by modifying the Hartree–Fock (HF) variational wave function. A separable form is retained but a factor ?(?) is included with ? the angle between the electron–nucleus radii r 1 and r 2. Likewise the error in the HF value for the first derivative of the energy with respect to 1/D can be made to vanish by employing a suitable choice of coordinates in separate factors of the wave function. The choice is determined by the vibrational normal modes of the electrons about the rigid configuration attained in the D?? limit. We estimate that these improvements in the HF wave function at large D will reduce the CE for D=3 by about a factor of 10 or more for any two?electron atom. We also relate our results to those obtained with hyperspherical coordinates and show that the large?D limit accounts for the success enjoyed by the hyperspherical approximation at D=3. These findings offer prospects for reducing CEs for multielectron systems by exploiting dimensional calibration of the HF wave function.

D. Z. Goodson; D. R. Herschbach

1987-01-01T23:59:59.000Z

320

Calculating limits for torsion and tensile loads on drill pipe  

SciTech Connect (OSTI)

Drill pipe used for drilling horizontal and extended reach holes experiences much higher torsional and tensile loads than normally seen while drilling vertical holes. This is particularly true for rigs with top drives vs. rigs with rotary tables. When pipe is rotated while pulling out of the hole, which is commonly done on top drive rigs, the drill pipe can experience high tensile and torsional loading simultaneously. These conditions increase the probability of overload on tool joints and require that the drill pipe and tool joint selection process include consideration of combined loading. Calculating the required drill pipe strength for vertical holes is straightforward and spelled out in Section 5 of API RP7G. In vertical hole applications, pipe is almost always selected for its tensile capacity and the torsional strength of the pipe generally does not require special consideration. In Section 4 of API Sec 7, API recommends that the tool joints have a torsional strength of 80% of the pipe`s torsional strength; this is usually adequate. The torsional strength and tensile strength of commonly used drill pipe and tool joint combinations are tabulated in Tables 2 through 10 of API RP7G. Appendix A.8.3 in API RP7G shows a method for plotting a graphical representation of the combined torsional and tensile operational limits of tool joints. How to calculate the limits of the drill pipe tube is shown in Appendix A.9.2. This paper defines terms and limits, and discusses building and using a diagram to determine safe loads.

Bailey, E.I. [Stress Engineering Service Inc., Houston, TX (United States); Smith, J.E. [Grant Prideco, Houston, TX (United States)

1998-02-01T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Emergency Management Limited Scope Performance Test Inspectors Guide  

Broader source: Energy.gov (indexed) [DOE]

Emergency Management Emergency Management Oversight (HS-63) Emergency Management Limited Scope Performance Test Inspectors Guide March 2008 Emergency Management Performance Test Inspectors Guide Preface i Preface As part of an effort to enhance the appraisal process, the Office of Independent Oversight and the Office of Emergency Management Oversight (HS-63) have prepared a series of documents that collectively provide comprehensive guidance and tools for the evaluation of emergency management programs across the Department of Energy /National Nuclear Security Administration (DOE/NNSA) complex. The Independent Oversight Appraisal Process Protocols describe the philosophy, scope, and general procedures applicable to all independent oversight appraisal activities. The HS-63 Emergency

322

Special Analysis: Revision of Saltstone Vault 4 Disposal Limits (U)  

SciTech Connect (OSTI)

New disposal limits have been computed for Vault 4 of the Saltstone Disposal Facility based on several revisions to the models in the existing Performance Assessment and the Special Analysis issued in 2002. The most important changes are the use of a more rigorous groundwater flow and transport model, and consideration of radon emanation. Other revisions include refinement of the aquifer mesh to more accurately model the footprint of the vault, a new plutonium chemistry model accounting for the different transport properties of oxidation states III/IV and V/VI, use of variable infiltration rates to simulate degradation of the closure system, explicit calculation of gaseous releases and consideration of the effects of settlement and seismic activity on the vault structure. The disposal limits have been compared with the projected total inventory expected to be disposed in Vault 4. The resulting sum-of-fractions of the 1000-year disposal limits is 0.2, which indicates that the performance objectives and requirements of DOE 435.1 will not be exceeded. This SA has not altered the conceptual model (i.e., migration of radionuclides from the Saltstone waste form and Vault 4 to the environment via the processes of diffusion and advection) of the Saltstone PA (MMES 1992) nor has it altered the conclusions of the PA (i.e., disposal of the proposed waste in the SDF will meet DOE performance measures). Thus a PA revision is not required and this SA serves to update the disposal limits for Vault 4. In addition, projected doses have been calculated for comparison with the performance objectives laid out in 10 CFR 61. These doses are 0.05 mrem/year to a member of the public and 21.5 mrem/year to an inadvertent intruder in the resident scenario over a 10,000-year time-frame, which demonstrates that the 10 CFR 61 performance objectives will not be exceeded. This SA supplements the Saltstone PA and supersedes the two previous SAs (Cook et al. 2002; Cook and Kaplan 2003).

Cook, J

2005-05-26T23:59:59.000Z

323

Detailed balance limit of power conversion efficiency for organic photovoltaics  

SciTech Connect (OSTI)

A fundamental difference between inorganic photovoltaic (IPV) and organic photovoltaic (OPV) cells is that charges are generated at the interface in OPV cells, while free charges can be generated in the bulk in IPV cells. In OPV cells, charge generation involves intrinsic energy losses to dissociate excitons at the interface between the donor and acceptor. By taking into account the energy losses, we show the theoretical limits of the power conversion efficiency set by radiative recombination of the carriers on the basis of the detailed balance relation between radiation from the cell and black-body radiation.

Seki, Kazuhiko, E-mail: k-seki@aist.go.jp [NRI, National Institute of Advanced Industrial Science and Technology (AIST), AIST Tsukuba Central 5, Higashi 1-1-1, Tsukuba, Ibaraki 305-8565 (Japan)] [NRI, National Institute of Advanced Industrial Science and Technology (AIST), AIST Tsukuba Central 5, Higashi 1-1-1, Tsukuba, Ibaraki 305-8565 (Japan); Furube, Akihiro [RIIF, AIST Tsukuba Central 2, Umezono 1-1-1, Tsukuba, Ibaraki 305-8568 (Japan)] [RIIF, AIST Tsukuba Central 2, Umezono 1-1-1, Tsukuba, Ibaraki 305-8568 (Japan); Yoshida, Yuji [RCPVT, National Institute of Advanced Industrial Science and Technology (AIST), AIST Tsukuba Central 5, Higashi 1-1-1, Tsukuba, Ibaraki 305-8565 (Japan)] [RCPVT, National Institute of Advanced Industrial Science and Technology (AIST), AIST Tsukuba Central 5, Higashi 1-1-1, Tsukuba, Ibaraki 305-8565 (Japan)

2013-12-16T23:59:59.000Z

324

What happens to Lattice Fermion near Continuum Limit?  

E-Print Network [OSTI]

A Ginsparg-Wilson Relation (GWR) is obtained in the presence of chiral symmetry breaking terms. It leads to the PCAC relation as well as an anomaly relation on the lattice. For general fermions, the deviation from the exact GWR is getting small when the block-spin transformations are performed iteratively. Based on a simple geometrical interpretation of the Dirac operator satisfying the GWR, we find some physical properties shared by the lattice fermions near the continuum limit. In two-dimensions, we explicitly construct the GW Dirac operator by using a conformal mapping.

Minoru Koseki; Hiroto So; Naoya Ukita

2000-11-01T23:59:59.000Z

325

Strong Upper Limits on Sterile Neutrino Warm Dark Matter  

SciTech Connect (OSTI)

Sterile neutrinos are attractive dark matter candidates. Their parameter space of mass and mixing angle has not yet been fully tested despite intensive efforts that exploit their gravitational clustering properties and radiative decays. We use the limits on gamma-ray line emission from the Galactic center region obtained with the SPI spectrometer on the INTEGRAL satellite to set new constraints, which improve on the earlier bounds on mixing by more than 2 orders of magnitude, and thus strongly restrict a wide and interesting range of models.

Yueksel, Hasan [Department of Physics, Ohio State University, Columbus, Ohio 43210 (United States); Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, Ohio 43210 (United States); Beacom, John F. [Department of Physics, Ohio State University, Columbus, Ohio 43210 (United States); Center for Cosmology and Astro-Particle Physics, Ohio State University, Columbus, Ohio 43210 (United States); Department of Astronomy, Ohio State University, Columbus, Ohio 43210 (United States); Watson, Casey R. [Department of Physics and Astronomy, Millikin University, Decatur, Illinois 62522 (United States)

2008-09-19T23:59:59.000Z

326

Extracellular Proteins Limit the Dispersal of BiogenicNanoparticles  

SciTech Connect (OSTI)

High spatial-resolution secondaryion microprobespectrometry, synchrotron radiation Fourier-transform infraredspectroscopy and polyacrylamide gel analysis demonstrate the intimateassociation of proteins with spheroidal aggregates of biogenic zincsulfide nanocrystals, an example of extracellular biomineralization.Experiments involving synthetic ZnS nanoparticles and representativeamino acids indicate a driving role for cysteine in rapid nanoparticleaggregation. These findings suggest that microbially-derivedextracellular proteins can limit dispersal of nanoparticulatemetal-bearing phases, such as the mineral products of bioremediation,that may otherwise be transported away from their source by subsurfacefluid flow.

Moreau, John W.; Weber, Peter K.; Martin, Michael C.; Gilbert,Benjamin; Hutcheon, Ian D.; Banfield, Jillian F.

2007-04-27T23:59:59.000Z

327

Varying properties along lengths of temperature limited heaters  

DOE Patents [OSTI]

A system for heating a subsurface formation is described. The system includes an elongated heater in an opening in the formation. The elongated heater includes two or more portions along the length of the heater that have different power outputs. At least one portion of the elongated heater includes at least one temperature limited portion with at least one selected temperature at which the portion provides a reduced heat output. The heater is configured to provide heat to the formation with the different power outputs. The heater is configured so that the heater heats one or more portions of the formation at one or more selected heating rates.

Vinegar, Harold J. (Bellaire, TX); Xie, Xueying (Houston, TX); Miller, David Scott (Katy, TX); Ginestra, Jean Charles (Richmond, TX)

2011-07-26T23:59:59.000Z

328

Testing the potential and limitations of seismic data  

E-Print Network [OSTI]

I describe the advantage of using singular value decomposition as a diagnostic tool for exploring the potential and limitations of seismic data. Using stellar models coupled with the expected errors in seismic and complementary data we can predict the precision in the stellar parameters. This in turn allows us to quantify if and to what extent we can distinguish between various descriptions of the interior physical processes. This method can be applied to a wide range of astrophysical problems, and here I present one such example which shows that the convective core overshoot parameter can be constrained with one identified mode if the pulsating component is in an eclipsing binary system.

Orlagh L. Creevey

2008-10-14T23:59:59.000Z

329

Upper limits on charm-changing neutral-current interactions  

E-Print Network [OSTI]

parallel decays can be computed with NII =N„e(l+l )8(c l X), where N„ is the number of cc events, e(1+I ) is the detection efficiency for parallel decays, and 8(c l X) is the average semileptonic branching ratio of the charmed hadrons in the continuum...VOLUME 60, NUMBER 16 PHYSICAL REVIEW LETTERS 18 APRIL 1988 Upper Limits on Charm-Changing Neutral-Current Interactions P. Haas, ' M. Hempstead, ' T. Jensen, ' D. R. Johnson, ' H. Kagan, ' R. Kass, ' P. Baringer, R. L. McIlwain, D. H. Miller, C. R...

Baringer, Philip S.

1988-04-18T23:59:59.000Z

330

E-Print Network 3.0 - atpase rate-limiting adp Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

and step 2 is a rate-limiting isomerization to a state of enhanced pyrene... that ATP hydrolysis is rate limiting, previous ... Source: Pollard, Thomas D.- Department of...

331

Wind Power Plant Enhancement with a Fault-Current Limiter: Preprint  

SciTech Connect (OSTI)

This paper investigates the capability of a saturable core fault-current limiter to limit the short circuit current of different types of wind turbine generators.

Muljadi, E.; Gevorgian, V.; DeLaRosa, F.

2011-03-01T23:59:59.000Z

332

FIRST EXPERIMENTAL RESULTS FROM DEGAS, THE QUANTUM LIMITED BRIGHTNESS ELECTRON SOURCE  

E-Print Network [OSTI]

LIMITED BRIGHTNESS ELECTRON SOURCE* M. S. Zolotorev 1 , E.limited brightness electron source, has been completed atand by a thermionic electron source placed at the DEGAS IR

Zolotorev, Max S.

2008-01-01T23:59:59.000Z

333

Pushing The Sample-Size Limit Of Infrared Vibrational Nano-Spectroscop...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

The Sample-Size Limit Of Infrared Vibrational Nano-Spectroscopy: From Monolayer Towards Single molecule sensitivity. Pushing The Sample-Size Limit Of Infrared Vibrational...

334

Is the Lorentz limiting speed equal to the speed of light? Photons vs neutrino tests  

Science Journals Connector (OSTI)

We discuss the possibility that the “limiting speed” c limit (c l ...) appearing in Lorentz equations might be different (i.e. slightly larger) t...

Jean-Marie Frčre; Simon Mollet; Michel H. G. Tytgat

2012-11-01T23:59:59.000Z

335

An optically trapped mirror for reaching the standard quantum limit  

E-Print Network [OSTI]

The preparation of a mechanical oscillator driven by quantum back-action is a fundamental requirement to reach the standard quantum limit (SQL) for force measurement, in optomechanical systems. However, thermal fluctuating force generally dominates a disturbance on the oscillator. In the macroscopic scale, an optical linear cavity including a suspended mirror has been used for the weak force measurement, such as gravitational-wave detectors. This configuration has the advantages of reducing the dissipation of the pendulum (i.e., suspension thermal noise) due to a gravitational dilution by using a thin wire, and of increasing the circulating laser power. However, the use of the thin wire is weak for an optical torsional anti-spring effect in the cavity, due to the low mechanical restoring force of the wire. Thus, there is the trade-off between the stability of the system and the sensitivity. Here, we describe using a triangular optical cavity to overcome this limitation for reaching the SQL. The triangular cavity can provide a sensitive and stable system, because it can optically trap the mirror's motion of the yaw, through an optical positive torsional spring effect. To show this, we demonstrate a measurement of the torsional spring effect caused by radiation pressure forces.

Nobuyuki Matsumoto; Yuta Michimura; Yoichi Aso; Kimio Tsubono

2014-05-19T23:59:59.000Z

336

Dynamic core length in saturated core fault current limiters  

Science Journals Connector (OSTI)

A saturated core fault current limiter (SCFCL) is a non-linear core-reactor where the core is saturated by an external superconducting DC bias source to achieve a low core permeability at nominal AC currents. Fault current levels in the AC coils de-saturate the core and transform it to a higher permeability state, hence limiting the fault current. In this work we describe the transition between saturated and de-saturated states in three SCFCL configurations. The 'effective core length', Leff, of the SCFCL, defined as the length of the de-saturated AC core limb, is introduced for exploring this transition as a function of the current, I, in the AC coil. Practically, Leff allows one to see the SCFCL as an inductor with a variable core length, allowing calculations of the impedance of the SCFCL over the whole range of operating currents. The Leff(I) curve is further used to calculate the dynamics of the demagnetization factor in a SCFCL. We show that the strong change in the magnetic induction of a SCFCL at high current is the result of both increasing the effective core length and decreasing the demagnetization factor. The method and results presented here serve as an important tool for comparing between various SCFCL concepts not only by comparing their impedance values at the extreme fault and nominal current conditions but also by providing an insight into the full de-saturation process.

Y Nikulshin; Y Wolfus; A Friedman; Y Yeshurun

2013-01-01T23:59:59.000Z

337

Resistive fault current limiter using HTS single-layer coils  

Science Journals Connector (OSTI)

This paper presents the work that is being done as a part of the project to develop a resistive current limiter using HTS Bi-2223/Ag tapes with the same construction scheme previously reported using LTS NbTi/CuNi wire with normal operating current of 170 A in liquid helium bath. The Bi–2223/Ag tape was helically wounded on several cylindrical G-10 tubes forming concentric coils connected in series, parallel or anti-parallel configurations in order to reduce the equivalent inductance of the complete winding. The design targets are the impedance of the electromagnetic system rising to 1.5 ? during a fault occurrence in absence of inductance both in the normal state and in the superconducting state, rated voltage and current of 15 kV and 400 A, respectively, with maximum flux density of 0.1 T. The test results in low voltage (AC/DC) as well as magnetic field measurements at 77 K and 4.2 K are presented and the limiting performance of the system are also discussed.

Carlos A. Baldan; Carlos Y. Shigue; Daltro G. Pinatti; Ernesto Ruppert-Filho; Rafael C. Freitas; Roberto P. Homrich

2004-01-01T23:59:59.000Z

338

Measurements of Martin-Puplett Interferometer Limitations using Blackbody Source  

SciTech Connect (OSTI)

Frequency domain measurements with Martin-Puplett interferometer is one of a few techniques capable of bunch length measurements at the level of ~ 100 fs. As the bunch length becomes shorter, it is important to know and be able to measure the limitations of the instrument in terms of shortest measurable bunch length. In this paper we describe an experiment using a blackbody source with the modified Martin-Puplett interferometer that is routine- ly used for bunch length measurements at the JLab FEL, as a way to estimate the shortest, measurable bunch length. The limitation comes from high frequency cut-off of the wire-grid polarizer currently used and is estimated to be 50 fs RMS. The measurements are made with the same Golay cell detector that is used for beam measure- ments. We demonstrate that, even though the blackbody source is many orders of magnitude less bright than the coherent transition or synchrotron radiation, it can be used for the measurements and gives a very good signal to noise ratio in combination with lock-in detection. We also compare the measurements made in air and in vacuum to characterize the very strong effect of the atmospheric absorption.

Evtushenko, Pavel E. [JLAB; Klopf, John M. [JLAB

2013-06-01T23:59:59.000Z

339

Limiting factors and microbial organometallic transformations in anaerobic subsurface environments  

SciTech Connect (OSTI)

Microbial communities from subsurface materials were analyzed for microbial community-particle size relationships, effects of arsenic and mercury compounds on microbial community structure, and limiting factors influencing mercury volatilization under aerobic and anaerobic conditions. The microbial communities showed strong relationships to particle size and size distribution. Major differences were found in relation to aerobic and anaerobic populations and for aerobic populations between the largest and smallest fractions. Under aerobic conditions, a significant increase in low nutrient responsive microbes occurred. After exposure to four metal compounds (phenylmercuric acetate (PMA), mercuric chloride (HgCl{sub 2}), phenylarsonic acid (PAA), and sodium arsenate (Na{sub 2}AsO{sub 4})) major changes in populations occurred. Previous exposure to these metals increased the aerobic and anaerobic populations of GS-9, indicating an adaptive response. In GS-20, previous exposure to all four compounds caused a decrease in both the aerobic and anaerobic populations. The effect was most pronounced in sediments treated with PMA or HgCl{sub 2}. Limiting nutritional factors for the volatilization of mercury under aerobic and anaerobic conditions were identified in control and PMA impacted samples from GS-9 and GS-20.

Klein, D.A.

1989-12-01T23:59:59.000Z

340

The optimal bound of quantum erasure with limited means  

E-Print Network [OSTI]

In practical applications of quantum information science, quantum systems can have non-negligible interactions with the environment, and this generally degrades the power of quantum protocols as it introduces noise. Counteracting this by appropriately measuring the environment (and therefore projecting its state) would require access all the necessary degrees of freedom, which in practice can be far too hard to achieve. To better understand one's limitations, we calculate the upper bound of optimal quantum erasure (i.e. the highest recoverable visibility, or "coherence"), when erasure is realistically limited to an accessible subspace of the whole environment. In the particular case of a two-dimensional accessible environment, the bound is given by the sub-fidelity of two particular states of the \\emph{inaccessible} environment, which opens a new window into understanding the connection between correlated systems. We also provide an analytical solution for a three-dimensional accessible environment. This result provides also an interesting operational interpretation of sub-fidelity. We end with a statistical analysis of the expected visibility of an optimally erased random state and we find that 1) if one picks a random pure state of 2 qubits, there is an optimal measurement that allows one to distill a 1-qubit state with almost 90\\% visibility and 2) if one picks a random pure state of 2 qubits in an inaccessible environment, there is an optimal measurement that allows one to distill a 1-qubit state with almost twice its initial visibility.

Filippo M. Miatto; Kevin Piché; Thomas Brougham; Robert W. Boyd

2014-10-08T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Novel Materials Become Multifunctional at the Ultimate Quantum Limit |  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Outsmarting Flu Viruses Outsmarting Flu Viruses How Lead-Free Solder (Mis)Behaves under Stress Dynamics of Polymer Chains Atop Different Materials Priming the Pump in the Fight against Drug-Resistant Tuberculosis The Ties that Bind Metals to Proteins Science Highlights Archives: 2013 | 2012 | 2011 | 2010 2009 | 2008 | 2007 | 2006 2005 | 2004 | 2003 | 2002 2001 | 2000 | 1998 | Subscribe to APS Science Highlights rss feed Novel Materials Become Multifunctional at the Ultimate Quantum Limit NOVEMBER 9, 2012 Bookmark and Share Illustration of a 4-unit-cell film of NdNiO3 (white) confined by LaAlO3 (blue) at the boundaries to make a quantum well structure. Our computers carry out their functions on several semiconducting devices layered together in the very smallest of spaces, known as quantum wells,

342

Axeon Power Limited formerly Advanced Batteries Ltd ABL | Open Energy  

Open Energy Info (EERE)

formerly Advanced Batteries Ltd ABL formerly Advanced Batteries Ltd ABL Jump to: navigation, search Name Axeon Power Limited (formerly Advanced Batteries Ltd (ABL)) Place Dundee, United Kingdom Zip DD2 4UH Product Lithium ion battery pack developer. Coordinates 45.27939°, -123.009669° 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":45.27939,"lon":-123.009669,"alt":0,"address":"","icon":"","group":"","inlineLabel":"","visitedicon":""}]}

343

Further Sensitivity Analysis of Hypothetical Policies to Limit  

Gasoline and Diesel Fuel Update (EIA)

Table 1. List of carbon dioxide policy cases Table 1. List of carbon dioxide policy cases Table 2. Summary of selected case results, 2011 and 2025 Table 3. Summary of results, 2011 and 2040 Table 4. Regional electricity prices, 2011 actual and 2025 in alternative cases Table 5. Regional electricity prices, 2011 actual and 2040 in alternative cases Interactive Table Viewer › Provides custom data associated with run information. Further Sensitivity Analysis of Hypothetical Policies to Limit Energy-Related Carbon Dioxide Emissions Supplement to the Annual Energy Outlook 2013 - Release date: July 18, 2013 Executive Summary The Annual Energy Outlook 2013 (AEO2013) included several alternative cases in which hypothetical carbon dioxide (CO2) emission fees were imposed on fossil fuel consumers on an economy-wide basis. The fees start at $10, $15,

344

Analytical Kerr black hole lensing in the weak deflection limit  

Science Journals Connector (OSTI)

We present an analytical treatment of gravitational lensing by a Kerr black hole in the weak deflection limit. Lightlike geodesics are expanded as a Taylor series up to and including third-order terms in m/b and a/b, where m is the black hole mass, a the angular momentum, and b the impact parameter of the light ray. Positions and magnifications of individual images are computed with a perturbative analysis. At this order, the degeneracy with the translated Schwarzschild lens is broken. The critical curve is still a circle displaced from the black hole position in the equatorial direction and the corresponding caustic is pointlike. The degeneracy between the black hole spin and its inclination relative to the observer is broken through the angular coordinates of the perturbed images.

Mauro Sereno and Fabiana De Luca

2006-12-21T23:59:59.000Z

345

Modelling and Simulation of Inductive Fault Current Limiters  

Science Journals Connector (OSTI)

Inductive superconducting fault current limiters have already demonstrated their technical viability in electrical networks. Its architecture and robustness make them potentially adequate for distribution networks, and this type of devices is considered as an enabling technology for the advent of embedded generation with renewable energy sources. In order to promote the growth and maturity of these superconducting technologies, fast design tools must be developed, allowing simulating devices with different materials in grids with diverse characteristics. This work presents advances in the development of such tool, which, at present stage, is an effective alternative to software simulations by finite elements methods, reducing dramatically computation time. The algorithms are now compared with experimental results from a laboratory scale prototype, showing the need to refine them.

Joăo Murta Pina; Pedro Pereira; Anabela Pronto; Pedro Arsénio; Tiago Silva

2012-01-01T23:59:59.000Z

346

Inverting sustainable development? Rethinking ecology, innovation and spatial limits  

Science Journals Connector (OSTI)

Over the years, two strands of thought on Sustainable Development (SD) have emerged, often identified as ecologism and environmentalism, respectively. This paper suggests that there exists a third rhetorically excluded option, namely large-scale industrial expansion into space. Access to raw materials found on the Moon as well as unfiltered solar energy would dramatically increase the stock of resources and energy while providing unlimited sinks for pollutants; thus satisfying two of the determining factors of sustainability. Traditionally, the dilemma of resource scarcity has been a concern for environmentalists calling for a reduction of energy and material flows. Correspondingly, the promise of space exploration has been limited to technological optimists whose economic framework rarely acknowledges any such scarcity. By reconciling the politics of scarcity with technological optimism, this paper proposes a unifying political vision for the 21st century.

Rasmus Karlsson

2007-01-01T23:59:59.000Z

347

9 - Superconducting fault current limiters and power cables  

Science Journals Connector (OSTI)

Abstract: This chapter addresses the technology of superconducting power cables and superconducting fault current limiters (FCL). The first part of the chapter is a general summary of the electric power grid. This sets the stage for a discussion of the historical development of superconducting AC and DC cables, which begins with low temperature superconductor (LTS)-based systems. It then describes the present status of superconducting cable technology and summarizes some of the major programs around the world. Whereas power cables may be thought of as a replacement for conventional power system components, \\{FCLs\\} and fault current controllers (FCC) have no conventional equivalent in the power grid. Several conceptually different FCL designs are described. The status of their development and installation on the power grid are described.

W. Hassenzahl

2013-01-01T23:59:59.000Z

348

Enhanced optical limiting effects of graphene materials in polyimide  

SciTech Connect (OSTI)

Three different graphene nanostructure suspensions of graphene oxide nanosheets (GONSs), graphene oxide nanoribbons (GONRs), and graphene oxide quantum dots (GOQDs) are prepared and characterized. Using a typical two-step method, the GONSs, GONRs, and GOQDs are incorporated into a polyimide (PI) matrix to synthesize graphene/PI composite films, whose nonlinear optical (NLO) and optical limiting (OL) properties are investigated at 532?nm in the nanosecond regime. The GONR suspension exhibits superior NLO and OL effects compared with those of GONSs and GOQDs because of its stronger nonlinear scattering and excited-state absorption. The graphene/PI composite films exhibit NLO and OL performance superior to that of their corresponding suspensions, which is attributed primarily to a combination of nonlinear mechanisms, charge transfer between graphene materials and PI, and the matrix effect.

Gan, Yao; Feng, Miao; Zhan, Hongbing, E-mail: hbzhan@fzu.edu.cn [College of Materials Science and Engineering, Fuzhou University, Fuzhou 350108 (China)

2014-04-28T23:59:59.000Z

349

The Energy Transformation Limit Theorem for Gas Flow Systems  

E-Print Network [OSTI]

The limit energy theorem which determines the possibility of transformation the energy flow in power systems in the absence of technical work is investigated and proved for such systems as gas lasers and plasmatrons, chemical gas reactors, vortex tubes, gas-acoustic and other systems, as well as a system of close stars. In the case of the same name ideal gas in the system the maximum ratio of energy conversion effectiveness is linked to the Carnot theorem, which in its turn is connected with the Nernst theorem. However, numerical analyses show that the class of flow energy systems is non-carnot one. The ratio of energy conversion effectiveness depends on the properties of the working medium; a conventional cycle in open-circuit is essentially irreversible. The proved theorem gives a more strongly worded II law of thermodynamics for the selected class of flow energy systems. Implications for astrophysical thermodynamic systems and the theory of a strong shock wave are discussed.

Volov, V T

2011-01-01T23:59:59.000Z

350

Temporary Emergency Exposure Limits for Chemicals: Methods and Practice  

Broader source: Energy.gov (indexed) [DOE]

DOE-HDBK-1046-2008 August 2008 DOE HANDBOOK TEMPORARY EMERGENCY EXPOSURE LIMITS FOR CHEMICALS: METHODS AND PRACTICE U.S. Department of Energy AREA EMER Washington, D.C. 20585 DOE-HDBK-1046-2008 ii DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited. DOE-HDBK-1046-2008 iii Available on the Department of Energy Technical Standards Program Web site at http://www.hss.energy.gov/nuclearsafety/techstds/ DOE-HDBK-1046-2008 iv FOREWORD In 2005, the Office of Emergency Management and Policy (NA-41) within the National Nuclear Security Administration (NNSA), U.S. Department of Energy (DOE), issued DOE O 151.1C, Comprehensive Emergency Management System. This order, and its Guides issued in 2007, reference Acute Exposure Guideline Levels (AEGLs) and Emergency Response Planning

351

Proposal of DC shield reactor type superconducting fault current limiter  

Science Journals Connector (OSTI)

Saturated DC reactor type superconducting fault current limiter (SFCL) had been proposed two years ago. It was classified to rectifier type SFCL. The changing inductance value with the operating mode has superior characteristics to reduce voltage sag during step increase of the load current. But it has the disadvantage of its weight. In this paper, rectifier type SFCL with shielded reactor has been proposed. The reactor which has superconducting ring or tube inside its winding is substituted to the DC link of the rectifier. The configuration looks like an air core transformer with secondary short winding. When the current through the bulk shield-ring reaches to a certain level, the flux penetrates to the shield body and finite impedance appears in the primary winding. In other words, when the surface flux density exceeds its critical flux density, the flux penetrates into the bulk superconductor, and increases equivalent inductance. The equivalent transient resistance of the shield was represented as a function of exponential of the time. Using this equivalent transient resistance, the transient impedance was expressed. The transient wave analysis using EMTDC (electro-magnetic transients in DC systems) has been described. Simulated waveforms are shown considering the source inductance, the leakage inductance, the coupling coefficient and the forward voltage drop of the semiconductor. And voltage sag was also investigated with 50% step load increase. Preliminary design was also performed. The coil size and number of turns are designed to obtain adequate inductance for the current limitation, and the central magnetic field of the coils are calculated. There is optimal aspect ratio to minimize the magnetic field with restriction in outer diameter of the coil.

Itsuya Muta; Tsutomu Hoshino; Khosru Mohammad Salim; Akio Kawasaki; Taketsune Nakamura; Masato Yamada

2004-01-01T23:59:59.000Z

352

Current parallel I/O limitations to scalable data analysis.  

SciTech Connect (OSTI)

This report describes the limitations to parallel scalability which we have encountered when applying our otherwise optimally scalable parallel statistical analysis tool kit to large data sets distributed across the parallel file system of the current premier DOE computational facility. This report describes our study to evaluate the effect of parallel I/O on the overall scalability of a parallel data analysis pipeline using our scalable parallel statistics tool kit [PTBM11]. In this goal, we tested it using the Jaguar-pf DOE/ORNL peta-scale platform on a large combustion simulation data under a variety of process counts and domain decompositions scenarios. In this report we have recalled the foundations of the parallel statistical analysis tool kit which we have designed and implemented, with the specific double intent of reproducing typical data analysis workflows, and achieving optimal design for scalable parallel implementations. We have briefly reviewed those earlier results and publications which allow us to conclude that we have achieved both goals. However, in this report we have further established that, when used in conjuction with a state-of-the-art parallel I/O system, as can be found on the premier DOE peta-scale platform, the scaling properties of the overall analysis pipeline comprising parallel data access routines degrade rapidly. This finding is problematic and must be addressed if peta-scale data analysis is to be made scalable, or even possible. In order to attempt to address these parallel I/O limitations, we will investigate the use the Adaptable IO System (ADIOS) [LZL+10] to improve I/O performance, while maintaining flexibility for a variety of IO options, such MPI IO, POSIX IO. This system is developed at ORNL and other collaborating institutions, and is being tested extensively on Jaguar-pf. Simulation code being developed on these systems will also use ADIOS to output the data thereby making it easier for other systems, such as ours, to process that data.

Mascarenhas, Ajith Arthur; Pebay, Philippe Pierre

2011-07-01T23:59:59.000Z

353

AN EXPERIMENT ON THE LIMITS OF QUANTUM ELECTRODYNAMICS HEPL-170  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

tt^ tt^ \ # AN EXPERIMENT ON THE LIMITS OF QUANTUM ELECTRODYNAMICS HEPL-170 l6K/Gen-2 *'%.. W. C, Barber, Burton Rlchter, and W. Ko H. Panofsky, Stanford University, Facsimile Price $_ M i c r o f i l m Price $ A v a i l a b l e from the O f f i c e o f Technical Services Department of Commerce Washington 25, D. C. and G. K. O'Neill and B. Gittelman, Princeton University Internal Report Not to be Published June 1959 Supported by the joint program of the Office of Naval Research and the U. S. Atomic Energy Commission under Contract N6onr-25ll6 (NR 022 026). High-Energy Physics Laboratory W. W. Hansen Laboratories of Physics Stanford University Stanford, California f>)iiafra9KMaiegTAwn>. fictmefo S MKie u AfVMivEQ. mxam* M l U m T H E RCtOVING SECMIk DISCLAIMER This report was prepared as an account of work sponsored by an

354

Robust Limits on Lorentz Violation from Gamma-Ray Bursts  

E-Print Network [OSTI]

We constrain the possibility of a non-trivial refractive index in free space corresponding to an energy-dependent velocity of light: c(E) \\simeq c_0 (1 - E/M), where M is a mass scale that might represent effect of quantum-gravitational space-time foam, using the arrival times of sharp features observed in the intensities of radiation with different energies from a large sample of gamma-ray bursters (GRBs) with known redshifts. We use wavelet techniques to identify genuine features, which we confirm in simulations with artificial added noise. Using the weighted averages of the time-lags calculated using correlated features in all the GRB light curves, we find a systematic tendency for more energetic photons to arrive earlier. However, there is a very strong correlation between the parameters characterizing an intrinsic time-lag at the source and a distance-dependent propagation effect. Moreover, the significance of the earlier arrival times is less evident for a subsample of more robust spectral structures. Allowing for intrinsic stochastic time-lags in these features, we establish a statistically robust lower limit: M > 0.9x10^{16} GeV on the scale of violation of Lorentz invariance.

John Ellis; Nick E. Mavromatos; Dimitri V. Nanopoulos; Alexander S. Sakharov; Edward K. G. Sarkisyan

2005-10-06T23:59:59.000Z

355

Material Limits Adjusted by a Modified Airborne Release Fraction  

SciTech Connect (OSTI)

This paper will discuss the methods used at a depleted uranium facility to develop a hazard categorization and a limiting condition for operation (LCO) for the inventory based on increased Category 2 threshold quantity values (TV) from DOE Standard 1027-92. A revision to the safety analysis report (SAR) for a Category 3 depleted uranium facility was required to meet current methodologies and isotope content. The previous SAR first approved in 1992, allowed an inventory of depleted uranium that exceeded the Category 2 threshold quantity values in the material storage warehouses using an accident analysis methodology for final hazard categorization. New information regarding the isotopic content of the depleted uranium required an updated hazard categorization evaluation. The DOE Standard 1027-92 requires the evaluation to be based on inventory (Reference 1, 3.1, page 5), therefore, the previous method of performing a hazard consequence and probability analysis could not be used. The standard (1027) requires a facility to be designated as a Category 3 Nuclear facility when the inventory levels in the facility, or facility segments, are greater than Category 3 thresholds and below Category 2 thresholds. A Category 2 Nuclear Facility requires a more in depth hazard and accident analysis. Our categorization was based on an inventory, adjusted by a form and containerization analysis.

Sandvig, Michael Dennis

2000-04-01T23:59:59.000Z

356

Message passing with a limited number of DMA byte counters  

DOE Patents [OSTI]

A method for passing messages in a parallel computer system constructed as a plurality of compute nodes interconnected as a network where each compute node includes a DMA engine but includes only a limited number of byte counters for tracking a number of bytes that are sent or received by the DMA engine, where the byte counters may be used in shared counter or exclusive counter modes of operation. The method includes using rendezvous protocol, a source compute node deterministically sending a request to send (RTS) message with a single RTS descriptor using an exclusive injection counter to track both the RTS message and message data to be sent in association with the RTS message, to a destination compute node such that the RTS descriptor indicates to the destination compute node that the message data will be adaptively routed to the destination node. Using one DMA FIFO at the source compute node, the RTS descriptors are maintained for rendezvous messages destined for the destination compute node to ensure proper message data ordering thereat. Using a reception counter at a DMA engine, the destination compute node tracks reception of the RTS and associated message data and sends a clear to send (CTS) message to the source node in a rendezvous protocol form of a remote get to accept the RTS message and message data and processing the remote get (CTS) by the source compute node DMA engine to provide the message data to be sent.

Blocksome, Michael (Rochester, MN); Chen, Dong (Croton on Hudson, NY); Giampapa, Mark E. (Irvington, NY); Heidelberger, Philip (Cortlandt Manor, NY); Kumar, Sameer (White Plains, NY); Parker, Jeffrey J. (Rochester, MN)

2011-10-04T23:59:59.000Z

357

A New Limit on the Neutrinoless DBD of 130Te  

E-Print Network [OSTI]

We report the present results of CUORICINO a cryogenic experiment on neutrinoless double beta decay (DBD) of 130Te consisting of an array of 62 crystals of TeO2 with a total active mass of 40.7 kg. The array is framed inside of a dilution refrigerator, heavily shielded against environmental radioactivity and high-energy neutrons, and operated at a temperature of ~8 mK in the Gran Sasso Underground Laboratory. Temperature pulses induced by particle interacting in the crystals are recorded and measured by means of Neutron Transmutation Doped thermistors. The gain of each bolometer is stabilized with voltage pulses developed by a high stability pulse generator across heater resistors put in thermal contact with the absorber. The calibration is performed by means of two thoriated wires routinely inserted in the set-up. No evidence for a peak indicating neutrinoless DBD of 130Te is detected and a 90% C.L. lower limit of 1.8E24 years is set for the lifetime of this process. Taking largely into account the uncertainties in the theoretical values of nuclear matrix elements, this implies an upper boud on the effective mass of the electron neutrino ranging from 0.2 to 1.1 eV. This sensitivity is similar to those of the 76Ge experiments.

C. Arnaboldi; D. R. Artusa; F. T. Avignone III; M. Balata; I. Bandac; M. Barucci; J. W. Beeman; C. Brofferio; C. Bucci; S. Capelli; L. Carbone; S. Cebrian; O. Cremonesi; R. J. Creswick; A. de Waard; H. A. Farach; E. Fiorini; G. Frossati; E. Guardincerri; A. Giuliani; P. Gorla; E. E. Haller; J. McDonald; E. B. Norman; A. Nucciotti; E. Olivieri; M. Pallavicini; E. Palmieri; E. Pasca; M. Pavan; M. Pedretti; G. Pessina; S. Pirro; E. Previtali; L. Risegari; C. Rosenfeld; S. Sangiorgio; M. Sisti; A. R. Smith; L. Torres; G. Ventura

2005-01-13T23:59:59.000Z

358

Quantum Apices: Identifying Limits of Entanglement, Nonlocality, & Contextuality  

E-Print Network [OSTI]

This work develops analytic methods to quantitatively demarcate quantum reality from its subset of classical phenomenon, as well as from the superset of general probabilistic theories. Regarding quantum nonlocality, we discuss how to determine the quantum limit of Bell-type linear inequalities. In contrast to semidefinite programming approaches, our method allows for the consideration of inequalities with abstract weights, by means of leveraging the Hermiticity of quantum states. Recognizing that classical correlations correspond to measurements made on separable states, we also introduce a practical method for obtaining sufficient separability criteria. We specifically vet the candidacy of driven and undriven superradiance as schema for entanglement generation. We conclude by reviewing current approaches to quantum contextuality, emphasizing the operational distinction between nonlocal and contextual quantum statistics. We utilize our abstractly-weighted linear quantum bounds to explicitly demonstrate a set of conditional probability distributions which are simultaneously compatible with quantum contextuality while being incompatible with quantum nonlocality. It is noted that this novel statistical regime implies an experimentally-testable target for the Consistent Histories theory of quantum gravity.

Elie Wolfe

2014-09-08T23:59:59.000Z

359

Military noise limits: Design criteria versus operational effectiveness  

Science Journals Connector (OSTI)

Noise requirements in military environments differ significantly from typical industrial or occupational situations. Both in combat and in training mission success requires offensive equipment and weapons to be more lethal and survivable than those used by the adversary. Higher muzzle velocities heavier projectiles and more powerful engines result in high levels of both steady-state and impulsive noise and an increased risk of hearing loss for the users. Weapons firing can expose the user to more energy in a single event than typically experienced in a working lifetime of occupational exposure. In addition military operations require effective speech communication while minimizing auditory detection of equipment by the adversary. Producing material suitable for various forms of military operations requires unique design criteria often exceeding civilian national or international standards. To meet these unique and often contradicting requirements the U.S. military developed a military design standard for noise limits. This standard (MIL-STD-1474) was last revised in 1997. This paper describes the effort of the U.S. Army Navy and Air Force to update the standard to permit production and fielding of military systems designed to maximize Warfighter effectiveness while minimizing hearing damage caused by their use.

2014-01-01T23:59:59.000Z

360

Speed-of-light limitations in passive linear media  

E-Print Network [OSTI]

We prove that well-known speed of light restrictions on electromagnetic energy velocity can be extended to a new level of generality, encompassing even nonlocal chiral media in periodic geometries, while at the same time weakening the underlying assumptions to only passivity and linearity of the medium (either with a transparency window or with dissipation). As was also shown by other authors under more limiting assumptions, passivity alone is sufficient to guarantee causality and positivity of the energy density (with no thermodynamic assumptions). Our proof is general enough to include a very broad range of material properties, including anisotropy, bianisotropy (chirality), nonlocality, dispersion, periodicity, and even delta functions or similar generalized functions. We also show that the "dynamical energy density" used by some previous authors in dissipative media reduces to the standard Brillouin formula for dispersive energy density in a transparency window. The results in this paper are proved by exploiting deep results from linear-response theory, harmonic analysis, and functional analysis that had previously not been brought together in the context of electrodynamics.

Aaron Welters; Yehuda Avniel; Steven G. Johnson

2014-05-01T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Principle and characteristics of a fault current limiter with series compensation  

SciTech Connect (OSTI)

A fault current limiter with series compensation, which is composed of a compensation capacitor and a limiting reactor in series, is proposed. A solid-state switch connected in parallel with the capacitor controls either the ordinal series compensation or fault current limitations. A feasibility study of the current limiter by simulation analysis is presented and the effectiveness of the current limiter is evaluated from the viewpoints of transient stability improvement and device capacity. The current limiter is a useful protection device for large, high power transmission systems.

Sugimoto, S. [Chubu Electric Power Co., Inc., Nagoya (Japan). Electric Power Research and Development Center] [Chubu Electric Power Co., Inc., Nagoya (Japan). Electric Power Research and Development Center; Kida, J.; Arita, H.; Fukui, C. [Hitachi Ltd., Ibaraki (Japan)] [Hitachi Ltd., Ibaraki (Japan); Yamagiwa, T. [Hitachi Ltd., Kokubu (Japan). Kokubu Works] [Hitachi Ltd., Kokubu (Japan). Kokubu Works

1996-04-01T23:59:59.000Z

362

Factors limiting the efficiency of molecular photovoltaic devices  

Science Journals Connector (OSTI)

We present a simple model of a molecular photovoltaic device consisting of a two-level system, connected to external contacts by chains of one or more charge transporting orbitals. Electrons may be promoted in the two-level system by photon absorption, and charge transported to the external circuit by electron transfer between neighboring orbitals. Photon absorption and emission are described by a generalized Planck equation and electron transfer is described by nonadiabatic Marcus theory. We find the steady-state current by solving the set of coupled rate equations for electron transfer in the system under illumination as a function of bias applied to the contacts. We calculate monochromatic current-voltage characteristics and power conversion efficiency as a function of the system size, orbital energy levels, and electron transfer rates, and compare with the monochromatic detailed balance limit. Using realistic values of the energy levels and charge-transfer rates, we are able to reproduce a number of commonly observed features in the current-voltage characteristics. These include a “kink” in the current-voltage curve close to open circuit when large interfacial energy steps are present or mobilities are low, and a reduction of the open-circuit voltage and crossing of the light and dark current curves when interfacial recombination is strong. We show that open-circuit voltage is dominated by the acceptor-donor energy gap when recombination is important, and by the optical gap when recombination is low. We confirm previous reports that photovoltaic energy conversion can be achieved by interfacial asymmetry alone and that a potential difference between the electrodes is unnecessary. Improved photovoltaic efficiency of molecular heterojunctions requires ohmic contacts, improved charge-carrier mobilities, and tuning of the electron-transfer rates at the heterojunction. Maximizing the rate of charge separation does not necessarily lead to maximum efficiency.

Jenny Nelson; James Kirkpatrick; P. Ravirajan

2004-01-30T23:59:59.000Z

363

Calibrating Redshift Distributions Beyond Spectroscopic Limits with Cross-Correlations  

E-Print Network [OSTI]

We describe a new method for measuring the true redshift distribution of any set of objects studied only photometrically. The angular cross-correlation between objects in a photometric sample with objects in some spectroscopic sample as a function of the spectroscopic z, in combination with standard correlation measurements, provides sufficient information to reconstruct the true redshift distribution of the photometric sample. This technique enables the robust calibration of photometric redshifts even beyond spectroscopic limits. The spectroscopic sample need not resemble the photometric one in galaxy properties, but must overlap in sky coverage and redshift range. We test this new technique with Monte Carlo simulations using realistic error estimates. RMS errors in recovering both the mean and sigma of the true, Gaussian redshift distribution of a single photometric redshift bin are 1.4x10^(-3) (sigma_z/0.1) (Sigma_p/10)^(-0.3) (dN_s/dz / 25,000)^(-0.5), where sigma_z is the true sigma of the redshift distribution, Sigma_p is the surface density of the photometric sample in galaxies/arcmin^2, and dN_s/dz is the number of galaxies with a spectroscopic redshift per unit z. We test the impact of redshift outliers and of a variety of sources of systematic error; none dominate measurement uncertainties in reasonable scenarios. With this method, the true redshift distributions of even arbitrarily faint photometric redshift samples may be determined to the precision required by proposed dark energy experiments (errors in mean and sigma below 3x10^(-3) at z~1) using expected extensions of current spectroscopic samples.

Jeffrey A. Newman

2008-05-09T23:59:59.000Z

364

VEGETATION SUCCESSION AND ROOT PENETRATION ON THE LORRAINE COVER USED TO LIMIT ACID MINE DRAINAGE  

E-Print Network [OSTI]

1 VEGETATION SUCCESSION AND ROOT PENETRATION ON THE LORRAINE COVER USED TO LIMIT ACID MINE DRAINAGE as a fine-grained soil) can be low enough to limit the influx of oxygen, hence reducing the rate

Aubertin, Michel

365

Henan Mingdu Wind Power Co Ltd aka He Nan Ming Du Feng Dian Limited...  

Open Energy Info (EERE)

Mingdu Wind Power Co Ltd aka He Nan Ming Du Feng Dian Limited Company Jump to: navigation, search Name: Henan Mingdu Wind Power Co Ltd (aka He Nan Ming Du Feng Dian Limited...

366

Can Future Emissions Limits be Met with a Hybrid EGR System Alone...  

Office of Energy Efficiency and Renewable Energy (EERE) Indexed Site

Future Emissions Limits be Met with a Hybrid EGR System Alone? Can Future Emissions Limits be Met with a Hybrid EGR System Alone? Presents application of hybrid EGR system in terms...

367

Recovery time of superconducting non-inductive reactor type fault current limiter  

SciTech Connect (OSTI)

A superconducting fault current limiting device for electric power systems has been investigated to find out its feasibility. Non-inductive reactor type fault current limiter has been constructed using metal superconductor. Two bifilar wound solenoids were connected in antiparallel or antiseries. On each connection, the fault current limiting test was performed by short-circuiting a resistive load suddenly. The recovery (normal-to-superconductive state transition) time after the current limiting mode has been studied using small scale model of fault current limiter for the low voltage distribution line. The results reveal that the current limiter could be operated under repetitive fault current accident which was removed within a few cycle of the limiting mode. The recovery time is a function of the dissipated energy under current limiting mode. Test results are presented.

Hoshino, T.; Muta, I.; Tsukiji, H. [Saga Univ., Honjo, Saga (Japan)] [Saga Univ., Honjo, Saga (Japan); Ohkubo, K.; Etoh, M. [Kyushu Electric Power Co., Kono-Higashi, Saga (Japan)] [Kyushu Electric Power Co., Kono-Higashi, Saga (Japan)

1996-07-01T23:59:59.000Z

368

Quench Properties and Fault Current Limiters of YBCO Thin-Film Superconductors  

Science Journals Connector (OSTI)

We measured the current dependence of quench propagation velocities in strip-shaped YBCO thin films and the current-limiting properties of fault current limiters consisting of a YBCO thin film and ... -300 cm/sec...

Hiroshi Kubota; Yuki Kudo; Mutsuki Yamazaki…

1998-01-01T23:59:59.000Z

369

400V Class Resistive Fault Current Limiter using YBCO Thin Films  

Science Journals Connector (OSTI)

A resistive fault current limiter with 410 Vrms x 56 Arms was realized by connecting six current limiting elements in series. An element was...3...single crystal and a metal film on AIN. The YBCO thin film was co...

Yuki Kudo; Hiroshi Kubota; Mutsuki Yamazaki…

2000-01-01T23:59:59.000Z

370

Prototype Fault Current Limiter Using Transformer and a Modular Device of YBCO Coated Conductor  

Science Journals Connector (OSTI)

A superconducting fault current limiter (SCFL) consisted of a transformer with ... secondary winding short-circuited by a modular superconducting limiter device with 16 elements connected in series ... a 0.125 ? ...

C. A. Baldan; J. S. Lamas; A. A. Bernardes…

2013-04-01T23:59:59.000Z

371

A Study on a High-Tc Superconducting Fault Current Limiter  

Science Journals Connector (OSTI)

The application of a high-Tc superconductor with a high critical current density (Jc) to a fault current limiter has been investigated. When the superconductor changes ... , it has a resistance which can limit fault

Tatsuya Hayashi; Teijiro Mori; Yuuichi Wada…

1992-01-01T23:59:59.000Z

372

Bias current influence on the characteristic of the magnetic-controlled switcher type fault current limiter  

Science Journals Connector (OSTI)

A novel magnetic-controlled switcher type fault current limiter (FCL) for high voltage electric network is presented. The current limiting principle of the FCL and the bias current influence on the characteristic...

Yan-xia Pan ???; Jian-guo Jiang ???

2009-06-01T23:59:59.000Z

373

Basic Test of A 3-Phase Superconducting Fault Current Limiting Reactor  

Science Journals Connector (OSTI)

A novel 3-phase superconducting fault current limiting reactor (SCFCLR) for power system ... some experiments, the fundamental behavior of the limiter is confirmed. In the experiment, two ... exhibits very small ...

H. Kado; T. Ishigohka

1990-01-01T23:59:59.000Z

374

New Concept of a Superconducting Fault Current Limiter and Its Evaluation of Quenching Feature  

Science Journals Connector (OSTI)

The present paper reviews the concept of a new superconducting fault current limiter with NbTi AC superconducting wire for the suppression of short-circuit currents. This fault current limiter takes full advantag...

Kiyoshi Okaniwa; Tsukushi Hara; Takahiko Yamamoto…

1991-01-01T23:59:59.000Z

375

Abstract 3714: Trametinib (Mekinist TM) has limited brain distribution in the mouse model  

Science Journals Connector (OSTI)

...Trametinib (Mekinist TM) has limited brain distribution in the mouse model Shruthi...molecularly-targeted agents into the brain. The discovery of focal BRAF mutations...vemurafenib and dabrafenib) have limited brain distribution due to active efflux at the...

Shruthi Vaidhyanathan; Rajendar K. Mittapalli; Daniel J. Ma; Mark A. Schroeder; Jann N. Sarkaria; William F. Elmquist

2014-10-01T23:59:59.000Z

376

Absolute vs. Intensity Limits for CO2 Emission Control: Performance Under Uncertainty  

E-Print Network [OSTI]

We elucidate the differences between absolute and intensity-based limits of CO2 emission when there is uncertainty about the future. We demonstrate that the two limits are identical under certainty, and rigorously establish ...

Sue Wing, Ian.

377

Enforcement Guidance Supplement 99-03: Limitation of 10 CFR Part...  

Office of Environmental Management (EM)

: Limitation of 10 CFR Part 830 to Equipment Referenced in the Safety Analysis Report Enforcement Guidance Supplement 99-03: Limitation of 10 CFR Part 830 to Equipment Referenced...

378

Enforcement Guidance Supplement 99-03 Limitation of 10 CFR Part...  

Office of Environmental Management (EM)

Limitation of 10 CFR Part 830 to Equipment Referenced in theSafety Analysis Report Enforcement Guidance Supplement 99-03 Limitation of 10 CFR Part 830 to Equipment Referenced in...

379

Two-photon absorption as a limitation to all-optical switching  

Science Journals Connector (OSTI)

Two-photon absorption can place a fundamental limitation on waveguide all-optical switching devices. We have derived a general criterion to describe this limitation that must be...

Mizrahi, Victor; Saifi, M A; Andrejco, M J; DeLong, K W; Stegeman, G I

1989-01-01T23:59:59.000Z

380

Limiting discharge voltage of a capacitive energy store in a subway car  

Science Journals Connector (OSTI)

A method is proposed for calculating the limiting discharge voltage of a capacitive energy store in a subway car.

G. G. Ryabtsev; I. A. Ermakov

2012-12-01T23:59:59.000Z

Note: This page contains sample records for the topic "limits limits limits" 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

Measuring the Interestingness of Articles in a Limited User Environment  

SciTech Connect (OSTI)

Search engines, such as Google, assign scores to news articles based on their relevancy to a query. However, not all relevant articles for the query may be interesting to a user. For example, if the article is old or yields little new information, the article would be uninteresting. Relevancy scores do not take into account what makes an article interesting, which varies from user to user. Although methods such as collaborative filtering have been shown to be effective in recommendation systems, in a limited user environment, there are not enough users that would make collaborative filtering effective. A general framework, called iScore, is presented for defining and measuring the 'interestingness' of articles, incorporating user-feedback. iScore addresses various aspects of what makes an article interesting, such as topic relevancy, uniqueness, freshness, source reputation, and writing style. It employs various methods to measure these features and uses a classifier operating on these features to recommend articles. The basic iScore configuration is shown to improve recommendation results by as much as 20%. In addition to the basic iScore features, additional features are presented to address the deficiencies of existing feature extractors, such as one that tracks multiple topics, called MTT, and a version of the Rocchio algorithm that learns its parameters online as it processes documents, called eRocchio. The inclusion of both MTT and eRocchio into iScore is shown to improve iScore recommendation results by as much as 3.1% and 5.6%, respectively. Additionally, in TREC11 Adaptive Filter Task, eRocchio is shown to be 10% better than the best filter in the last run of the task. In addition to these two major topic relevancy measures, other features are also introduced that employ language models, phrases, clustering, and changes in topics to improve recommendation results. These additional features are shown to improve recommendation results by iScore by up to 14%. Due to varying reasons that users hold regarding why an article is interesting, an online feature selection method in naive Bayes is also introduced. Online feature selection can improve recommendation results in iScore by up to 18.9%. In summary, iScore in its best configuration can outperform traditional IR techniques by as much as 50.7%. iScore and its components are evaluated in the news recommendation task using three datasets from Yahoo! News, actual users, and Digg. iScore and its components are also evaluated in the TREC Adaptive Filter task using the Reuters RCV1 corpus.

Pon, R K

2008-10-06T23:59:59.000Z

382

THE EVOLUTION OF LYMAN LIMIT ABSORPTION SYSTEMS TO REDSHIFT SIX  

SciTech Connect (OSTI)

We have measured the redshift evolution of the density of Lyman limit systems (LLSs) in the intergalactic medium over the redshift range 0 < z < 6. We have used two new quasar samples to (1) improve coverage at z {approx} 1, with GALEX grism spectrograph observations of 50 quasars with 0.8 < z{sub em} < 1.3, and (2) extend coverage to z {approx} 6, with Keck ESI spectra of 25 quasars with 4.17 < z{sub em} < 5.99. Using these samples together with published data, we find that the number density of LLS per unit redshift, n(z), can be well fit by a simple evolution of the form n(z) = n{sub 3.5}[(1 + z)/4.5]{sup {gamma}} with n{sub 3.5} = 2.80 {+-} 0.33 and {gamma} = 1.94{sup +0.36}{sub -0.32} for the entire range 0 < z < 6. We have also reanalyzed the evolution of damped Ly{alpha} systems (DLAs) in the redshift range 4 < z < 5 using our high-redshift quasar sample. We find a total of 17 DLAs and sub-DLAs, which we have analyzed in combination with published data. The DLAs with log H{sub I} column density > 20.3 show the same redshift evolution as the LLS. When combined with previous results, our DLA sample is also consistent with a constant {Omega}{sub DLA} = 9 x 10{sup -4} from z = 2 to z = 5. We have used the LLS number density evolution to compute the evolution in the mean free path (mfp) of ionizing photons. We find a smooth evolution to z {approx} 6, very similar in shape to that of Madau et al. but about a factor of two higher. Recent theoretical models roughly match to the z < 6 data but diverge from the measured power law at z>6 in different ways, cautioning against extrapolating the fit to the mfp outside the measured redshift range.

Songaila, Antoinette; Cowie, Lennox L. [W. M. Keck Observatory, which is jointly operated by the California Institute of Technology, University of California, and National Aeronautics and Space Administration. (United States)

2010-10-01T23:59:59.000Z

383

WELL-POSEDNESS AND INVISCID LIMITS OF THE BOUSSINESQ EQUATIONS WITH FRACTIONAL LAPLACIAN DISSIPATION  

E-Print Network [OSTI]

WELL-POSEDNESS AND INVISCID LIMITS OF THE BOUSSINESQ EQUATIONS WITH FRACTIONAL LAPLACIAN-posedness and inviscid limits of several systems of Boussinesq equations with fractional dissipation. Three main results 2D Boussinesq equations. This is achieved by examining their inviscid limits. The second result

Wu, Jiahong

384

Limited Diffraction Array Beams Ultrasound Research Laboratory, Department of Physiology and Biophysics, Mayo Clinic and Foundation,  

E-Print Network [OSTI]

Limited Diffraction Array Beams Jian-yu Lu Ultrasound Research Laboratory, Department of Physiology and Biophysics, Mayo Clinic and Foundation, Rochester, MN 55905 ABSTRACT: Limited diffraction beams have a large applications. In this article, new limited diffrac- beam patterns near the cone surface, these devices

Lu, Jian-yu

385

LimitedAngle Computed Tomography for Sandwich Structures using Data Fusion  

E-Print Network [OSTI]

1 Limited­Angle Computed Tomography for Sandwich Structures using Data Fusion Jeffrey E. Boyd and limited­angle computed­tomography (CT) are ill­posed problems, but where conventional CT has a small null. #12; 2 1. INTRODUCTION This paper presents a novel method for limited­angle computed tomography (CT

Boyd, Jeffrey E.

386

Optical limiting and thermal lensing studies in C60 S. S. Harilal,a)  

E-Print Network [OSTI]

Optical limiting and thermal lensing studies in C60 S. S. Harilal,a) C. V. Bindhu, V. P. N 1999 Optical limiting and thermo-optic properties of C60 in toluene are studied using 532 nm, 9 ns pulses from a frequency-doubled Nd:YAG laser. Optical limiting studies in these fullerene molecules lead

Harilal, S. S.

387

An analytical limitation for time-delayed feedback control in autonomous systems  

E-Print Network [OSTI]

We prove an analytical limitation on the use of time-delayed feedback control for the stabilization of periodic orbits in autonomous systems. This limitation depends on the number of real Floquet multipliers larger than unity, and is therefore similar to the well-known odd number limitation of time-delayed feedback control. Recently, a two-dimensional example has been found, which explicitly demonstrates that the unmodified odd number limitation does not apply in the case of autonomous systems. We show that our limitation correctly predicts the stability boundaries in this case.

Edward W. Hooton; Andreas Amann

2012-09-08T23:59:59.000Z

388

Dong Energy London Array Limited Formerly known as CORE Ltd | Open Energy  

Open Energy Info (EERE)

Dong Energy London Array Limited Formerly known as CORE Ltd Dong Energy London Array Limited Formerly known as CORE Ltd Jump to: navigation, search Name Dong Energy London Array Limited (Formerly known as CORE Ltd) Place United Kingdom Sector Wind energy Product Dong Energy London Array Limited is a UK Joint Venture between Farm energy and Energi E2, involved in offshore wind farms in the outer Thames Estuary. References Dong Energy London Array Limited (Formerly known as CORE Ltd)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Dong Energy London Array Limited (Formerly known as CORE Ltd) is a company located in United Kingdom . References ↑ "Dong Energy London Array Limited (Formerly known as CORE Ltd)"

389

Comparison of discovery limits for extra Z bosons at future colliders  

Science Journals Connector (OSTI)

We study and compare the discovery potential for heavy neutral gauge bosons (Z’) at various e+e- and pp(-) colliders that are planned or have been proposed. Typical discovery limits are for the Fermilab Tevatron ?1 TeV, Di-Tevatron ?2 TeV, CERN LHC ?4 TeV, LSGNA (a 60 TeV pp collider) ?13 TeV while the e+e- discovery limits are 2–10× ?s with the large variation reflecting the model dependence of the limits. While both types of colliders have comparable discovery limits the hadron colliders are generally less dependent on the specific Z’ model and provide more robust limits since the signal has little background. In contrast, discovery limits for e+e- limits are more model dependent and, because they are based on indirect inferences of deviations from standard model predictions, they are more sensitive to systematic errors.

Stephen Godfrey

1995-02-01T23:59:59.000Z

390

Waiver of the Bi-Weekly Pay L:imitation for Emergency Response Activities |  

Broader source: Energy.gov (indexed) [DOE]

Waiver of the Bi-Weekly Pay L:imitation for Emergency Response Waiver of the Bi-Weekly Pay L:imitation for Emergency Response Activities Waiver of the Bi-Weekly Pay L:imitation for Emergency Response Activities Heads of Departmental elements, with the concurrence of their servicing Human Resources staff, are authorized to waive the bi-weekly pay limitation for employees engaged in emergency response activities that include, but are not limited to, disaster relief assistance, radiological assistance, and terrorist attacks. This authority will expire December 31, 2015. Waiver of the Bi-Weekly Pay Limitation for Emergency Response Activities Responsible Contacts Bruce Murray HR Policy Advisor E-mail bruce.murray@hq.doe.gov Phone 202-586-3372 More Documents & Publications Guidance on Waivers of Premium Pay To Meet A Critical Need

391

Henan Mingdu Wind Power Co Ltd aka He Nan Ming Du Feng Dian Limited Company  

Open Energy Info (EERE)

Henan Mingdu Wind Power Co Ltd aka He Nan Ming Du Feng Dian Limited Company Henan Mingdu Wind Power Co Ltd aka He Nan Ming Du Feng Dian Limited Company Jump to: navigation, search Name Henan Mingdu Wind Power Co Ltd (aka He Nan Ming Du Feng Dian Limited Company) Place Jiaozuo, Henan Province, China Sector Wind energy Product Wind turbine blades provider. References Henan Mingdu Wind Power Co Ltd (aka He Nan Ming Du Feng Dian Limited Company)[1] LinkedIn Connections CrunchBase Profile No CrunchBase profile. Create one now! This article is a stub. You can help OpenEI by expanding it. Henan Mingdu Wind Power Co Ltd (aka He Nan Ming Du Feng Dian Limited Company) is a company located in Jiaozuo, Henan Province, China . References ↑ "[ Henan Mingdu Wind Power Co Ltd (aka He Nan Ming Du Feng Dian Limited Company)]" Retrieved from

392

Use of Integrated Decay Heat Limits to Facilitate Spent Nuclear Fuel Loading to Yucca Mountain  

SciTech Connect (OSTI)

As an alternative to the use of the linear loading or areal power density (APD) concept, using integrated decay heat limits based on the use of mountain-scale heat transfer analysis is considered to represent the thermal impact from the deposited spent nuclear fuel (SNF) to the Yucca Mountain repository. Two different integrated decay heat limits were derived to represent both the short-term (up to 50 years from the time of repository closure) and the long-term decay heat effect (up to 1500 years from the time of repository closure). The derived limits were found to appropriately represent the drift wall temperature limit (200 deg. C) and the midway between adjacent drifts temperature limit (96 deg. C) as long as used fuel is uniformly loaded into the mountain. These limits can be a useful practical guide to facilitate the loading of used fuel into Yucca Mountain. (authors)

Li, Jun; Yim, Man-Sung; McNelis, David [Department of Nuclear Engineering, North Carolina State University (United States); Piet, Steven [Idaho National Laboratory (United States)

2007-07-01T23:59:59.000Z

393

UNEP-Risoe-Economics of GHG Limitations: Country Study Series | Open Energy  

Open Energy Info (EERE)

(Redirected from UNEP-Risoe - Economics of GHG Limitations: Country Study (Redirected from UNEP-Risoe - Economics of GHG Limitations: Country Study Series) Jump to: navigation, search Name UNEP-Risoe - Economics of GHG Limitations: Country Study Series Agency/Company /Organization UNEP-Risoe Centre Sector Energy, Land Topics Policies/deployment programs, Pathways analysis, Background analysis, Resource assessment Website http://www.uneprisoe.org/Econo References Economics of Greenhouse Gas Limitations[1] Country study series: Argentina, Ecuador, Estonia, Hungary, Indonesia, Mauritius, Senegal, Vietnam Parallel country studies: Botswana, Tanzania, Zambia Regional Studies: Andean Region, Southern African Development Community (SADC) References ↑ "Economics of Greenhouse Gas Limitations" Retrieved from "http://en.openei.org/w/index.php?title=UNEP-Risoe-Economics_of_GHG_Limitations:_Country_Study_Series&oldid=377226"

394

System pressure effect on the nuclear reactor limiting criterion. Revision 1  

SciTech Connect (OSTI)

The acceptable operating limits of a nuclear reactor are set to prevent fuel cladding damage. Critical Heat Flux (CHF) is the limiting criterion for the high pressure systems such as the BWRs (6.9 MPa) and the PWRs (13.8 MPa). However, the Onset of Flow Instability (OFI) is the limiting criterion of the low pressure system such as the existing Savannah River Site (SRS) production reactors (0.2 MPa). The physical basis of this difference is presented. 3 refs.

Chen, Kuo-Fu

1990-12-31T23:59:59.000Z

395

Undoing the twist: The Ho?ava limit of Einstein-aether theory  

Science Journals Connector (OSTI)

We show that Ho?ava gravity can be obtained from Einstein-aether theory in the limit that the twist coupling constant goes to infinity, while holding fixed the expansion, shear and acceleration couplings. This limit helps to clarify the relation between the two theories, and allows Ho?ava results to be obtained from Einstein-aether ones. The limit is illustrated with several examples, including rotating black hole equations, parametrized post-Newtonian parameters, and radiation rates from binary systems.

Ted Jacobson

2014-04-02T23:59:59.000Z

396

Experimental measurements and modeling prediction of flammability limits of binary hydrocarbon mixtures  

E-Print Network [OSTI]

of methane in air using thermal criterion?????..50 4.8 Determination of LFL of ethylene in air using thermal criterion???...??..51 4.9 Lower flammability limits of methane and n-butane mixtures in air at standard conditions...????????????????????..56 4.14 Upper flammability limits of methane and n-butane mixtures in air at standard conditions?????????????..???????57 4.15 Upper flammability limits of methane and ethylene mixtures in air at standard conditions...

Zhao, Fuman

2009-05-15T23:59:59.000Z

397

The limited partnership as an agricultural investment medium: a look at investors and their objectives  

E-Print Network [OSTI]

Schmaltz Tax Loss Agriculture. Summary. 4 6 7 8 9 11 12 13 15 17 17 22 22 25 THE LIMITED PARTNERSHIP: ORGANIZATIONAL AND LEGAL BASES. CHARACTERISTICS 26 Partners. Limited Partners. Advantages and Disadvantages. General Partners.... Association Semblance. Continuity of Life. Centralised Management Limited Liability. Fzee Transferability of Interests, . The Corporate General Partner Safe Harbor Rules. Allocation of Profits and Losses. Regulation of Allocations The Basis...

Abele, Teddy Merl

1976-01-01T23:59:59.000Z

398

UNEP-Risoe-Economics of GHG Limitations: Country Study Series | Open Energy  

Open Energy Info (EERE)

Jump to: navigation, search Jump to: navigation, search Name UNEP-Risoe - Economics of GHG Limitations: Country Study Series Agency/Company /Organization UNEP-Risoe Centre Sector Energy, Land Topics Policies/deployment programs, Pathways analysis, Background analysis, Resource assessment Website http://www.uneprisoe.org/Econo References Economics of Greenhouse Gas Limitations[1] Country study series: Argentina, Ecuador, Estonia, Hungary, Indonesia, Mauritius, Senegal, Vietnam Parallel country studies: Botswana, Tanzania, Zambia Regional Studies: Andean Region, Southern African Development Community (SADC) References ↑ "Economics of Greenhouse Gas Limitations" Retrieved from "http://en.openei.org/w/index.php?title=UNEP-Risoe-Economics_of_GHG_Limitations:_Country_Study_Series&oldid=377226"

399

Vanishing heat conductivity limit for the 2D Cahn-Hilliard-Boussinesq system  

Science Journals Connector (OSTI)

This article studies the vanishing heat conductivity limit for the 2D Cahn-Hilliard-boussinesq system in a bounded domain with non-...

Zaihong Jiang; Jishan Fan

2011-12-01T23:59:59.000Z

400

E-Print Network 3.0 - anomalous coupling limits Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Collection: Mathematics 68 Loss of -junction behavior in an interacting impurity Josephson junction Aashish A. Clerk and Vinay Ambegaokar Summary: Alternatively, in the limit of...

Note: This page contains sample records for the topic "limits limits limits" 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

EECBG 11-002 Clarification of Ten Percent Limitation on Use of...  

Energy Savers [EERE]

Energy Efficiency and Renewable Energy (EERE), Energy Efficiency and Conservation Block Grant Program (EECBG), ten percent limitation, administrative expenses, the Energy...

402

Title 10 USC 2684a Agreements to Limit Encroachments and Other...  

Open Energy Info (EERE)

Agreements to Limit Encroachments and Other Constraints on Military Training, Testing, and Operations Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal...

403

Power System Feedback from High-Tc Superconductor Shielded Core Fault Current Limiter  

Science Journals Connector (OSTI)

The shielded core fault current limiter is attractive with high critical temperature superconductors. ... acts during normal operation as an ideally shorted current transformer; the secondary superconducting loop...

J. Gerhold

1998-01-01T23:59:59.000Z

404

E-Print Network 3.0 - acceptance test limit Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

Powered by Explorit Topic List Advanced Search Sample search results for: acceptance test limit Page: << < 1 2 3 4 5 > >> 1 F-12001SITEENVIRONMENTALREPORT APPENDIXF:QUALITYCONTR...

405

A Study of Harmonic Distortion Limit Change During the Reconfiguration Process of the Smart Grid.  

E-Print Network [OSTI]

??On the purpose to find out if harmonic distortion limits of customer installations will change during a smart grid reconfiguration process, the thesis was completed.… (more)

Yang, Wenyue

2014-01-01T23:59:59.000Z

406

Techniques to Handle Limitations in Dynamic Relative Permeability Measurements, SUPRI TR-128  

SciTech Connect (OSTI)

The objective of this work was to understand the limitations of the conventional methods of calculating relative permeabilities from data obtained from displacement experiments.

Qadeer, Suhail; Brigham, William E.; Castanier, Louis M.

2002-10-08T23:59:59.000Z

407

E-Print Network 3.0 - assist solubility limits Sample Search...  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

limit. Moreover... and computational approaches to estimate solubility and permeability in drug discovery and development q settings... and computational approaches to...

408

Modeling the Number of Ignitions Following an Earthquake: Developing Prediction Limits for Overdispersed Count Data  

Broader source: Energy.gov [DOE]

Modeling the Number of Ignitions Following an Earthquake: Developing Prediction Limits for Overdispersed Count Data Elizabeth J. Kelly and Raymond N. Tell

409

Impact of reduced dose limits on NRC licensed activities. Major issues in the implementation of ICRP/NCRP dose limit recommendations: Final report  

SciTech Connect (OSTI)

This report summarizes information required to estimate, at least qualitatively, the potential impacts of reducing occupational dose limits below those given in 10 CFR 20 (Revised). For this study, a questionnaire was developed and widely distributed to the radiation protection community. The resulting data together with data from existing surveys and sources were used to estimate the impact of three dose-limit options; 10 mSv yr{sup {minus}1} (1 rem yr{sup {minus}1}), 20 mSv yr{sup {minus}1} (2 rem yr{sup {minus}1}), and a combination of an annual limit of 50 mSv yr{sup {minus}1} (5 rem yr{sup {minus}1}) coupled with a cumulative limit, in rem, equal to age in years. Due to the somewhat small number of responses and the lack of data in some specific areas, a working committee of radiation protection experts from a variety of licensees was employed to ensure the exposure data were representative. The following overall conclusions were reached: (1) although 10 mSv yr{sup {minus}1} is a reasonable limit for many licensees, such a limit could be extraordinarily difficult to achieve and potentially destructive to the continued operation of some licensees, such as nuclear power, fuel fabrication, and medicine; (2) twenty mSv yr{sup {minus}1} as a limit is possible for some of these groups, but for others it would prove difficult. (3) fifty mSv yr{sup {minus}1} and age in 10s of mSv appear reasonable for all licensees, both in terms of the lifetime risk of cancer and severe genetic effects to the most highly exposed workers, and the practicality of operation.

Meinhold, C.B. [Brookhaven National Lab., Upton, NY (United States)

1995-05-01T23:59:59.000Z

410

New limits on the $?^{+}$EC and ECEC processes in $^{120}$Te  

E-Print Network [OSTI]

New limits on the double beta processes for $^{120}$Te have been obtained using a 400 cm$^3$ HPGe detector and a source consisting of natural Te0$_2$ powder. At a confidence level of 90% the limits are $0.19\\times 10^{18}$ y for the $\\beta^+$EC$(0\

A S Barabash; F Hubert; Ph Hubert; V Umatov

2007-03-13T23:59:59.000Z

411

Leon County Extension -615 Paul Russell Rd. -Tallahassee Limited Commercial Landscape Maintenance Certification  

E-Print Network [OSTI]

Leon County Extension - 615 Paul Russell Rd. - Tallahassee Limited Commercial Landscape Maintenance Certification Training Class & Exam Wednesday, March 21, 2012 If you work for a commercial landscape maintenance requires that you have a limited commercial landscape maintenance certification. To take the test

Watson, Craig A.

412

A local limit theorem for triple connections in subcritical Bernoulli percolation  

E-Print Network [OSTI]

We prove a local limit theorem for the probability of a site to be connected by disjoint paths to three points in subcritical Bernoulli percolation on $\\mathbb{Z}^{d},\\,d\\geq2$ in the limit where their distances tend to infinity.

Massimo Campanino; Michele Gianfelice

2011-03-10T23:59:59.000Z

413

Erratum (astro-ph/0510172): Robust Limits on Lorentz Violation from Gamma-Ray Bursts  

E-Print Network [OSTI]

We correct the fitting formula used in refs. [1,2] to obtain a robust limit on a violation of Lorentz invariance that depends linearly on the photon energy. The correction leads to a slight increase of the limit on the scale of the violation, to M > 1.4 x 10^{16} GeV.

John Ellis; N. E. Mavromatos; D. V. Nanopoulos; A. S. Sakharov; E. K. G. Sarkisyan

2007-12-17T23:59:59.000Z

414

Limits on Sensitivity of Large Silicon Bolometers for Solar Neutrino Detection  

Science Journals Connector (OSTI)

...F.T., ULTRALOW-BACKGROUND STUDY OF NEUTRINOLESS DOUBLE BETA-DECAY OF GE-76 - NEW LIMIT ON THE MAJORANA MASS...FORSTER, A, LOW BACKGROUND STUDY OF THE NEUTRINOLESS DOUBLE BETA-DECAY OF 76-GE AND UPPER LIMIT FOR NEUTRINO MASS...

C. J. MARTOFF

1987-07-31T23:59:59.000Z

415

Sensitivity Study of Physical Limits on Ground Motion at Yucca Mountain  

E-Print Network [OSTI]

1 Sensitivity Study of Physical Limits on Ground Motion at Yucca Mountain Benchun Duan1 and Steven investigate physical3 limits at Yucca Mountain, Nevada, and assess sensitivities due to uncertainties in fault (e.g.,28 Bommer, 2002; Bommer et al., 2004).29 The 1998 PSHA for Yucca Mountain, a potential high

Duan, Benchun

416

Towards the zero-surface-tension limit in granular fingering instability  

E-Print Network [OSTI]

LETTERS Towards the zero-surface-tension limit in granular fingering instability XIANG CHENG*, LEI Hele­Shaw system to explore the zero-surface-tension property of granular `fluids'16 . We demonstrate-unrealizable singular hydrodynamics predicted in the zero-surface-tension limit of normal fluid fingering2,17­23 . Above

Loss, Daniel

417

Photosynthetic and growth responses of three freshwater algae to phosphorus limitation and daylength  

E-Print Network [OSTI]

Photosynthetic and growth responses of three freshwater algae to phosphorus limitation., green alga Sphaerocystis schroeteri and cyanobacterium Phormidium luridum, were grown under contrasting of the green alga S. schroeteri decreased the most (ca. sixfold) under P limitation compared with the other two

Bossard, Peter

418

Fluctuation limits of the super-Brownian motion with a single point catalyst  

E-Print Network [OSTI]

We prove a fluctuating limit theorem of a sequence of super-Brownian motions over $\\mbb{R}$ with a single point catalyst. The weak convergence of the processes on the space of Schwarz distributions is established. The limiting process is an Ornstein-Uhlenbeck type process solving a Langevin type equation driven by a one-dimensional Brownian motion.

Li, Zenghu

2009-01-01T23:59:59.000Z

419

Surface current effects on the fetch-limited growth of wave energy Brian K. Haus1  

E-Print Network [OSTI]

Surface current effects on the fetch-limited growth of wave energy Brian K. Haus1 Received 5 the fetch-limited growth of wind wave energy over a region with significant lateral shear of the current. Both the near-surface currents and wave energy and period were mapped over the highly sheared inshore

Miami, University of

420

Nutrient Limitation across a salinity gradient of Martha's Vineyard Coastal Ponds Emily S Rogers  

E-Print Network [OSTI]

Nutrient Limitation across a salinity gradient of Martha's Vineyard Coastal Ponds Emily S Rogers and their respective salinities were Long Cove Pond, 1ppt, Little Jobs Pond, 4ppt, Jobs Neck Pond, 9ppt, Chilmark Pond. There was a strong correlation between ammonium limitation and salinity. There was very little response

Vallino, Joseph J.

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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.


421

Use of Two Distillation Columns in Systems with Maximum Temperature Limitations  

E-Print Network [OSTI]

Use of Two Distillation Columns in Systems with Maximum Temperature Limitations Rebecca H. Masel, Pennsylvania 18015, United States ABSTRACT: Maximum temperature limitations are encountered in distillation of the bottoms product fixes the column base pressure and, hence, the condenser pressure. The distillate

Gilchrist, James F.

422

Solid-state fault current limiter for voltage sag mitigation and its parameters design  

Science Journals Connector (OSTI)

Due to the difficulty in electric distribution network reinforcement and the interconnection of more distributed generations, fault current level has become a serious problem in system operations. The utilization of solid-state fault current limiters ... Keywords: power quality, simulation, solid-state fault current limiter, voltage sag

B. Boribun; T. Kulworawanichpong

2010-07-01T23:59:59.000Z

423

Fault current limiting and voltage sag mitigation by means of a resonant type FCL  

Science Journals Connector (OSTI)

In this paper a resonant type of fault current limiter and its application are presented. During normal operation of circuit, the thyristors is off and the resonant branches are short circuit. Therefore there is not any voltage drop on FCL. In this way, ... Keywords: bypass resistance, fault analysis, power quality, resonant type fault current limiter

M. S. Mohebbi Nazar; M. Abapour

2006-08-01T23:59:59.000Z

424

Fusion Engineering and Design 43 (1998) 7592 The ITER port limiter design  

E-Print Network [OSTI]

with those in the associated cooling water system. Installation in the ports allows the limiter position. During the flat-top part portion (divertor oper- ation) of the plasma cycle the limiter system car- ries out the main functions of the primary module, namely: Remove the power generated by the plasma

Raffray, A. René

425

Radiative transport limit for the random Schrodinger Guillaume Bal George Papanicolaou y Leonid Ryzhik z  

E-Print Network [OSTI]

Radiative transport limit for the random Schrodinger equation Guillaume Bal #3; George of the radiative transport limit for the average phase space density of solutions of the Schrodinger equation to the solution of a radiative transport equation. The propagation of wave energy in a scattering medium

Ryzhik, Lenya

426

EXAMINATION OF THE PCICE METHOD IN THE NEARLY INCOMPRESSIBLE, AS WELL AS STRICTLY INCOMPRESSIBLE, LIMITS  

SciTech Connect (OSTI)

The conservative-form, pressure-based PCICE numerical method (Martineau and Berry, 2004) (Berry, 2006), recently developed for computing transient fluid flows of all speeds from very low to very high (with strong shocks), is simplified and generalized. Though the method automatically treats a continuous transition of compressibility, three distinct, limiting compressibility regimes are formally defined for purposes of discussion and comparison with traditional methods – the strictly incompressible limit, the nearly incompressible limit, and the f ully compressible limit. The PCICE method’s behavior is examined in each limiting regime. In the strictly incompressible limit the PCICE algorithm reduces to the traditional MAC-type method with velocity divergence driving the pressure Poisson equation. In the nearly incompressible limit the PCICE algorithm is found to reduce to a generalization of traditional incompressible methods, i.e. to one in which not only the velocity divergence effect, but also the density gradient effect is included as a driving function in the pressure Poisson equation. This nearly incompressible regime has received little attention, and it appears that in the past, strictly incompressible methods may have been conveniently applied to flows in this regime at the expense of ignoring a potentially important coupling mechanism. This could be significant in many important flows; for example, in natural convection flows resulting from high heat flux. In the f ully compressible limit or regime, the algorithm is found to reduce to an expression equivalent to density-based methods for high-speed flow.

Ray A. Berry; Richard C. Martineau

2007-04-01T23:59:59.000Z

427

Space Radiation Risk Limits and Earth-Moon-Mars Environmental Models  

E-Print Network [OSTI]

-term dose limits are used to prevent in-flight radiation sickness or death through restriction of the doses and skin dose limits, respectively. Large uncertainties exist in estimating the health risks of space radiation chiefly the understanding of the radiobiology of heavy ions, and dose-rate and dose protraction

Pringle, James "Jamie"

428

Review. An introduction to lymphocyte and viral dynamics: the power and limitations of mathematical analysis  

Science Journals Connector (OSTI)

...viral dynamics: the power and limitations of...response. However, the power of mathematical modelling...shortage of experimental data. Here, we review...Cytotoxic immunology Viral Load Viruses immunology...viral dynamics: the power and limitations of...shortage of experimental data. Here, we review...

2003-01-01T23:59:59.000Z

429

Because people with limited resources are often challenged to find food that is healthy, safe and  

E-Print Network [OSTI]

Because people with limited resources are often challenged to find food that is healthy, safe and affordable. People with limited resources often run short of food at the end of the month. university and employer. Printed on recycled and recyclable paper with at least 10 percent postconsumer waste material

Netoff, Theoden

430

Deterministic motion of the controversial piston in the thermodynamic limit Christian Gruber and Severine Pache  

E-Print Network [OSTI]

Deterministic motion of the controversial piston in the thermodynamic limit Christian Gruber and S divided into two regions by a movable adiabatic wall (the adiabatic piston). We study the thermodynamic limit for the piston where the area A of the cross-section, the mass M of the piston, and the number N

Paris-Sud XI, Université de

431

SPATIALLY DISAGGREGATE PANEL MODELS OF CRASH AND INJURY COUNTS: THE EFFECT OF SPEED LIMITS AND DESIGN  

E-Print Network [OSTI]

characteristics, such as curvature and grade, as well as vehicle miles traveled (VMT). A 10 mph speed limit invites an "ecological fallacy" in results, where individual-level relationships cannot be inferred safety factors other than speed limits, including horizontal curvature and truck vehicle miles

Kockelman, Kara M.

432

Title of Ph.D. Dissertation: NEAR QUANTUM LIMITED MEASUREMENT IN NANOELECTROMECHANICAL SYSTEMS  

E-Print Network [OSTI]

Abstract Title of Ph.D. Dissertation: NEAR QUANTUM LIMITED MEASUREMENT IN NANOELECTROMECHANICAL quality factors. Since these systems can be cooled close to their ground states with existing cryogenic detection scheme, quantum mechanics places a lower limit on the product of position shot noise, Sx

433

Limited Angle Tomography of Sparse Images from Noisy Data using TLS MUSIC Algorithm  

E-Print Network [OSTI]

1 Limited Angle Tomography of Sparse Images from Noisy Data using TLS MUSIC Algorithm Andrew E The limited angle tomography problem is to recon- struct an image x(y, z) from its projections p(t, ) p-shaped region. This has applications to med- ical imaging and non-destructive evaluation where projection data

Yagle, Andrew E.

434

Limits on the Power of Cryptographic Cheap Talk Pavel Hubcek Jesper Buus Nielsen Alon Rosen  

E-Print Network [OSTI]

Limits on the Power of Cryptographic Cheap Talk Pavel Hubácek Jesper Buus Nielsen Alon Rosen August that their solution is stable in the Nash equilibrium (NE) sense, provided that the players are computationally solutions so far were either sequentially unstable, or were restricted to a limited class of correlated

435

Limits on the Power of Cryptographic Cheap Talk Pavel Hubcek Jesper Buus Nielsen Alon Rosen  

E-Print Network [OSTI]

Limits on the Power of Cryptographic Cheap Talk Pavel Hubácek Jesper Buus Nielsen Alon Rosen that their solution is stable in the Nash equilibrium (NE) sense, provided that the players are computationally solutions so far were either sequentially unstable, or were restricted to a limited class of correlated

Rosen, Alon

436

HOW WATER TEMPERATURE REALLY LIMITS THE VERTICAL MOVEMENTS OF TUNAS AND BILLFISHES -IT'S THE HEART STUPID  

E-Print Network [OSTI]

, limitations of catch per unit effort (CPUE) indexes, and the enormous difficulty of producing integrative current tuna and billfish stock assessment methods. Water Temperature Limits the Vertical Movements;muscle and heat loss at the gills. These unique structures thus allow tunas to keep their muscles

Hawai'i at Manoa, University of

437

Tropical Cyclone Data Assimilation: Experiments with a Coupled Global-Limited-Area Analysis System  

E-Print Network [OSTI]

analysis system at horizontal resolution T62 and a limited-area analysis system at resolutions from 200 km to 36 km. The global and limited-area DA systems, which are both based on the Local Ensemble Transform Kalman Filter algorithm, are implemented using...

Holt, Christina

2014-04-22T23:59:59.000Z

438

UNIVERSITY OF CHICAGO TOPOLOGY AND HETEROGENEITY AT THE RATE-LIMITING STEP  

E-Print Network [OSTI]

UNIVERSITY OF CHICAGO TOPOLOGY AND HETEROGENEITY AT THE RATE-LIMITING STEP OF THE PROTEIN FOLDING .......................................................................... 2 1.3 Physical processes in protein folding...................................................... 5 of the rate-limiting step in protein folding ...................... 11 1.4.1 Two-state mechanisms and TS

Sosnick, Tobin R.

439

THE MODULUS OF CONTINUITY FOR 0(m)\\H SEMI-CLASSICAL LIMITS  

E-Print Network [OSTI]

THE MODULUS OF CONTINUITY FOR 0(m)\\H SEMI-CLASSICAL LIMITS SCOTT A. WOLPERT Abstract. We study [13]. In [29] the author found that the microlocal lift to SL(2; R) S (H)1/2 of automorphic eigen result is equivalent to a limit-sum formula combining the Riemann zeta values (1 + it) and the elemen

Wolpert, Scott A.

440

Enforcement Guidance Supplement 99-03 Limitation of 10 CFR Part 830 to  

Broader source: Energy.gov (indexed) [DOE]

Limitation of 10 CFR Part 830 Limitation of 10 CFR Part 830 to Equipment Referenced in theSafety Analysis Report Enforcement Guidance Supplement 99-03 Limitation of 10 CFR Part 830 to Equipment Referenced in theSafety Analysis Report The attached is DOE's response to denying that argument. Since this argument has from time to time been put forth by certain contractors, and routinely denied by DOE, I am forwarding the attached reply for your information so that all DOE Coordinators and contractors implementing PAAA requirements are clear on the applicability of Part 830. Enforcement Guidance Supplement 99-03 Limitation of 10 CFR Part 830 to Equipment Referenced in theSafety Analysis Report More Documents & Publications Enforcement Guidance Supplement 99-03: Limitation of 10 CFR Part 830 to

Note: This page contains sample records for the topic "limits limits limits" 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

Redefining the Limits of Photovoltaic Efficiency | U.S. DOE Office of  

Office of Science (SC) Website

"Redefining the Limits of Photovoltaic Efficiency" "Redefining the Limits of Photovoltaic Efficiency" workshop, July 29, 2012 Energy Frontier Research Centers (EFRCs) EFRCs Home Centers Research Science Highlights News & Events EFRC News EFRC Events DOE Announcements Publications Contact BES Home 06.22.12 "Redefining the Limits of Photovoltaic Efficiency" workshop, July 29, 2012 Print Text Size: A A A Subscribe FeedbackShare Page The Light-Material Interactions in Energy Conversion EFRC is co-hosting a one-day workshop at Caltech on Sunday, July 29, 2012. "Redefining the Limits of Photovoltaic Efficiency" will bring together leaders from industry, academia and government agencies to discuss new materials and processes for overcoming the Shockley-Queisser limit of solar energy conversion efficiency. For more information and registration

442

Comparison between the optical limiting behavior of chloroaluminum phthalocyanine and a cyanine dye  

SciTech Connect (OSTI)

The picosecond optical limiting characteristics of the optical limiting dyes hexamethylindotricarbocyanine iodide (HITCI) and chloroaluminum phthalocyanine (CAP) are compared and contrasted at 532 nm. From single pulse transmittance experiments, HITCI is shown to possess a serious limitation in its optical limiting behavior, where the regime of induced absorption becomes one of induced transmission for high irradiances. CAP, on the other hand, although possessing a smaller ratio of the excited-state to ground-state absorption cross-section, continues to exhibit optical limiting over a much broader dynamic range. From cross-polarized time-resolved excitation-probe measurements, HITCI exhibits a sharp negative spike around zero delay which originates from orientational coherent grating effects, while CAP does not exhibit any spike. These nonlinearities are explained theoretically as a complex interplay between a series of excited manifolds for the dyes and the radiation properties of the interacting laser pulse. {copyright} {ital 1997 American Institute of Physics.}

Hughes, S. [Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo 113 (Japan)] [Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo 113 (Japan); Spruce, G.; Wherrett, B.S. [Department of Physics, Heriot-Watt University, Edinburgh EH14 4AS (United Kingdom)] [Department of Physics, Heriot-Watt University, Edinburgh EH14 4AS (United Kingdom); Kobayashi, T. [Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo 113 (Japan)] [Department of Physics, University of Tokyo, 7-3-1 Hongo, Bunkyo-Ku, Tokyo 113 (Japan)

1997-05-01T23:59:59.000Z

443

The high voltage problem in the saturated core HTS fault current limiter  

Science Journals Connector (OSTI)

A small model of a one-phase saturated core HTS fault current limiter was developed. It consists of an iron core, an AC coil and a DC HTS coil. The HTS coil comprised six 126 turns double-pancakes (ID 70 mm), wound after heat treatment from Bi-2223 multifilamentary tape in Ag matrix. A fault simulation circuit was set up to characterize the dynamic properties of the model limiter. The voltages and currents of the AC coil and the DC HTS coil were measured through a computer-based data acquisition system. The tests have shown that the limiter has a fast response and the first current peak can be easily limited, but a high voltage will be induced on the DC HTS coil side during the fault state. This high voltage can badly affect the DC current equipment on the DC HTS coil side. The origin and value of the high voltage can be explained using a transformer model. For a limiter with n1 turns AC coil and n2 turns DC coil, the largest induced voltage will be roughly close to (n2/n1)U, where U is the rated voltage of the limiter. To commercialize this kind of limiter, the high voltage problem must be solved. Some different designs were introduced to lower the induced voltage.

Y.F. He; J.H. Li; X.H. Zong; J. Sun; Y.N. Wang; C.L. Wu; J.X. Wang

2003-01-01T23:59:59.000Z

444

PRACTICAL APPLICATION OF THE SINGLE-PARAMETER SUBCRITICAL MASS LIMIT FOR PLUTONIUM METAL  

SciTech Connect (OSTI)

According to ANS-8.1, operations with fissile materials can be performed safely by complying with any of the listed single-parameter subcritical limits. For metallic units, when interspersed moderators are present, the mass limits apply to a single piece having no concave surfaces. On a practical level, when has any operation with fissile metal involved a single piece and absolutely no moderating material, e.g., water, oil, plastic, etc.? This would be rare. This paper explores the application of the single-parameter plutonium metal mass limit for realistic operational environments.

MITCHELL, MARK VON [Los Alamos National Laboratory

2007-01-10T23:59:59.000Z

445

A hybrid superconducting fault current limiter for enhancing transient stability in Korean power systems  

Science Journals Connector (OSTI)

Abstract Additional power generation sites have been limited in Korea, despite the fact load demands are gradually increasing. In order to meet these increasing demands, Korea’s power system company has begun constructing new generators at existing sites. Thus, multi-unit plants can create problems in terms of transient stability when a large disturbance occurs. This paper proposes a hybrid superconducting fault current limiter (SFCL) application to enhance the transient stability of multi-unit power plants. \\{SFCLs\\} reduce fault currents, and limitation currents decrease the imbalance of the mechanical and electrical torque of the generators, resulting in an improvement in transient stability.

Sangsoo Seo; Seog-Joo Kim; Young-Hwan Moon; Byongjun Lee

2013-01-01T23:59:59.000Z

446

Operating principle of a high Tc superconducting saturable magnetic core fault current limiter  

Science Journals Connector (OSTI)

An electrical fault current limiter (FCL) designed with a high Tc superconducting (HTS) dc bias winding is described. The winding is prepared by using a Ag-clad (Bi,Pb)2Sr2Ca2Cu3O10+x HTS wire. The limiting behaviour of this FCL is investigated and considered with respect to operation in a 6 kV power system. The results show that the FCL limits fault currents effectively, and is a possible solution for reducing power system fault currents.

J.X. Jin; S.X. Dou; C. Grantham; D. Sutanto; H.K. Liu

1997-01-01T23:59:59.000Z

447

The ice-limit of Coulomb gauge Yang-Mills theory  

E-Print Network [OSTI]

In this paper we describe gauge invariant multi-quark states generalising the path integral framework developed by Parrinello, Jona-Lasinio and Zwanziger to amend the Faddeev-Popov approach. This allows us to produce states such that, in a limit which we call the ice-limit, fermions are dressed with glue exclusively from the fundamental modular region associated with Coulomb gauge. The limit can be taken analytically without difficulties, avoiding the Gribov problem. This is llustrated by an unambiguous construction of gauge invariant mesonic states for which we simulate the static quark--antiquark potential.

Heinzl, Thomas; Langfeld, Kurt; Lavelle, Martin; McMullan, David

2008-01-01T23:59:59.000Z

448

Limits on iron-dominated fallback disk in SN 1987A  

E-Print Network [OSTI]

The non-detection of a point source in SN1987A imposes an upper limit for the optical luminosity of L=2L_sun. This limits the size of a possible fallback disk around the stellar remnant. Assuming a steady-state thin disk with blackbody emission requires a disk smaller than 100,000 km if the accretion rate is at 30% of the Eddington rate (Graves et al. 2005). We have performed detailed non-LTE radiation transfer calculations to model the disk spectrum more realistically. It turns out that the observational limit on the disk extension becomes even tighter, namely 70,000 km.

K. Werner; T. Nagel; T. Rauch

2007-03-20T23:59:59.000Z

449

DOE-Sponsored Project Pushes the Limits of Seismic-While-Drilling  

Broader source: Energy.gov (indexed) [DOE]

Project Pushes the Limits of Seismic-While-Drilling Project Pushes the Limits of Seismic-While-Drilling Technology DOE-Sponsored Project Pushes the Limits of Seismic-While-Drilling Technology August 12, 2009 - 1:00pm Addthis Washington, DC - In a project sponsored by the U.S. Department of Energy, Technology International Inc. has developed a breakthrough borehole imaging system that stands on the cusp of commercialization. By pushing the limits of seismic-while-drilling technology, the patent-pending SeismicPULSER system provides more accurate geo-steering for the discovery of new oil and natural gas reserves, facilitating new field development and improving well economics. Drill-bit seismic-while-drilling techniques use a downhole acoustic source and receivers at the surface to create real-time images that allow

450

www.pdx.edu/recreation/aquatics Registration is limited to 5 participants.  

E-Print Network [OSTI]

SWIM CLINICS www.pdx.edu/recreation/aquatics Registration is limited to 5 participants. Register at the Rec Center Member Services counter. AQUATICS www.pdx.edu/recreation/aquaticsw w w . p d x . e d u / r

Bertini, Robert L.

451

Hacking the optical diffraction limit: Review on recent developments of fluorescence nanoscopy  

Science Journals Connector (OSTI)

Subject to the diffraction limit, the resolution of conventional optical microscopy is constrained to about 200 and 500 nm in the lateral and axial planes, respectively. The advantage of optical microscopy in the...

YiChen Ding; Peng Xi; QiuShi Ren

2011-06-01T23:59:59.000Z

452

Limiting effects on laser compression by resonant backward Raman scattering in modern experimentsa)  

E-Print Network [OSTI]

amplifier by high intensity radiation is avoided by the temporal stretching of the laser pulse, its the cost of the CPA laser and CPA technology approaches its practical limit. Alternatively, plasma can

453

Limitations for detecting small-scale faults using the coherency analysis of seismic data  

E-Print Network [OSTI]

Coherency analyzes the trace to trace amplitude similarities recorded by seismic waves. Coherency algorithms have been used to identify the structural or stratigraphic features of an area but the limitations for detecting small-scale features...

Barnett, David Benjamin

2006-08-16T23:59:59.000Z

454

SQUID-Detected MRI in the Limit of Zero Static Field  

E-Print Network [OSTI]

Josephson effect and Josephson junctions . 2.1.3 The dc2.4 Current-limiting Josephson junction array . . . . . 3transformer with Josephson junction array in series with

Kelso, Nathan

2009-01-01T23:59:59.000Z

455

Calculation of limiting horizontal load on piles-columns based on cone-penetration data  

Science Journals Connector (OSTI)

Results of field tests confirming the correlation relation between the limiting load on a pile-column and the specific resistance of the soil beneath the cone of the probe are presented. A formula is proposed ...

B. V. Goncharov; O. V. Galimnurova…

2012-03-01T23:59:59.000Z

456

Sensing of Nitrogen Limitation by Bacillus subtilis: Comparison to Enteric Bacteria  

Science Journals Connector (OSTI)

...Sensing of Nitrogen Limitation by Bacillus subtilis: Comparison to Enteric Bacteria...studied this correlation in Bacillus subtilis, a gram-positive, sporulating...we assessed this response in Bacillus subtilis. B. subtilis, a low-GC...

Ping Hu; Terrance Leighton; Galina Ishkhanova; Sydney Kustu

1999-08-01T23:59:59.000Z

457

Performance Limiting Effects in Power Generation from Salinity Gradients by Pressure Retarded Osmosis  

Science Journals Connector (OSTI)

Pressure retarded osmosis has the potential to utilize the free energy of mixing when fresh river water flows into the sea for clean and renewable power generation. Here, we present a systematic investigation of the performance limiting phenomena in ...

Ngai Yin Yip; Menachem Elimelech

2011-10-24T23:59:59.000Z

458

Evolutionary tradeoffs can select against nitrogen fixation and thereby maintain nitrogen limitation  

E-Print Network [OSTI]

. evolutionary ecology model Biological nitrogen (N) fixation--the conversion of atmo- spheric N2 gas) but is equally important to explaining the paradox of N limitation. Unlike the successional question

Menge, Duncan

459

Painting an Area by Swarm of Mobile Robots with Limited Visibility  

Science Journals Connector (OSTI)

This paper presents a distributed algorithm for painting a priori known obstacle free rectangular region by swarm of mobile robots with limited visibility capability. We have assumed ... non overlapping strips, a...

Deepanwita Das; Srabani Mukhopadhyaya

2012-01-01T23:59:59.000Z

460

ILD 5 Name: ______________________________________ Tutorial section _______ The limits of reconciliation: Energy conservation  

E-Print Network [OSTI]

into something that's more precise and also correct? Class discussion. A B #12;The limits of reconciliation at the bottom. That's something you need to accept, because energy conservation says it's true. My point

Maryland at College Park, University of

Note: This page contains sample records for the topic "limits limits limits" 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

Development of Data Quality Control Limits for Data Screening through the "Energy Balance" Method  

E-Print Network [OSTI]

over/underestimation in energy use and increase accuracy in further analysis. It allows engineers and administrators to make more confident and low-risk decisions. This paper proposes a methodology to construct statistical control limits for data...

Masuda, H.; Baltazar, J. C.; Ji, J.; Claridge, D.

462

An Adaptive Approach to Mitigate Background Covariance Limitations in the Ensemble Kalman Filter  

Science Journals Connector (OSTI)

A new approach is proposed to address the background covariance limitations arising from undersampled ensembles and unaccounted model errors in the ensemble Kalman filter (EnKF). The method enhances the representativeness of the EnKF ensemble by ...

Hajoon Song; Ibrahim Hoteit; Bruce D. Cornuelle; Aneesh C. Subramanian

2010-07-01T23:59:59.000Z

463

Alternative Formulations for Incorporating Lateral Boundary Data into Limited-Area Models  

Science Journals Connector (OSTI)

Limited-area models (LAMs) use higher resolutions and more advanced parameterizations of physical processes than global numerical weather prediction models, but suffer from one additional source of error—the lateral boundary condition (LBC). The ...

Martina Tudor; Piet Termonia

2010-07-01T23:59:59.000Z

464

Energy efficiency and color quality limits in artificial light sources emulating natural illumination  

Science Journals Connector (OSTI)

We present in this work a calculation of the theoretical limits attainable for natural light emulation with regard to the joint optimization of the Luminous Efficacy of Radiation and...

Hertog, Wim; Llenas, Aleix; Quintero, Jesús M; Hunt, Charles E; Carreras, Josep

2014-01-01T23:59:59.000Z

465

Optimal power flow considering fault current level constraints and fault current limiters  

Science Journals Connector (OSTI)

Abstract The aim of this paper is to present a novel method to dispatch the active generation power properly in the power system while incorporating fault current levels as constraints for the optimization problem. Due to the limited capacity of protective devices such as circuit breakers, allocating active power without considering fault current levels can probably lead to fault currents exceeding the rating of these devices. Hence restricting the fault current levels to an allowable amount while minimizing a specified objective function seems to be necessary. In a number of cases even the appropriate allocation of active power is not able to reduce the fault current levels to the permitted amount therefore using fault current limiters (FCL) is unavoidable. In this paper also a planning scheme is presented for the location and sizing of fault current limiters and the effect of fault current limiters on the objective functions is investigated.

Amirhossein Khazali; Mohsen Kalantar

2014-01-01T23:59:59.000Z

466

Quenching Characteristics of a 400V-100A Class Superconducting Fault Current Limiter  

Science Journals Connector (OSTI)

The suppression of large fault currents in large electric power systems constitutes an ... previously proposed a conceptually new type of superconducting fault current limiter and its application to model distrib...

Takeshi Okuma; Tsukushi Hara; Takahiko Yamamoto…

1992-01-01T23:59:59.000Z

467

Numerical Analysis of Overvoltage and Accumulated Energy at Quenching in Superconducting Fault Current Limiters  

Science Journals Connector (OSTI)

The present paper is devoted to a discussion of the overvoltage and accumulated energy which constitute problems when superconducting fault current limiters are introduced into electric power systems. These ... b...

S. Honjo; T. Hara; T. Yamamoto

1994-01-01T23:59:59.000Z

468

Electrothermal Modeling of Coated Conductor for a Resistive Superconducting Fault-Current Limiter  

Science Journals Connector (OSTI)

Coated conductors are very promising for the design of a novel and efficient superconducting fault-current limiter (SFCL). The thermal and electrical behaviors ... of SFCL in the presence of over-critical currents

S. Nemdili; S. Belkhiat

2013-08-01T23:59:59.000Z

469

Alternating Current Loss of Strip Arrays as a Model for Resistive Fault Current Limiters  

Science Journals Connector (OSTI)

Hysteretic alternating current (ac) loss P...in arrays of superconducting strip lines are calculated on the bases of the critical state model. For a simplified model of a film-type fault current limiter, we consi...

Yasunori Mawatari; Hirofumi Yamasaki

2000-01-01T23:59:59.000Z

470

1.2 MVA High-Tc Superconducting Fault Current Limiter  

Science Journals Connector (OSTI)

A 3-phase high Tc superconducting fault current limiter with a rated power of 1.2 ... a special partial melt process. The nominal current and voltage of the device are 70 ... 3-phase short circuit tests with a pr...

W. Paul; M. Chen; M. Lakner; J. Rhyner; L. Widenhorn…

1998-01-01T23:59:59.000Z

471

Bunker View: Limited-range head-motion-parallax visualization for complex data sets  

E-Print Network [OSTI]

Bunker View: Limited-range head-motion-parallax visualization for complex data sets Andrei State tracking. #12;3. THE BUNKER VIEW SYSTEM We propose to use image precomputation to avoid high lag and low

State, Andrei

472

On the limits of refinement-testing for model-checking CSP  

Science Journals Connector (OSTI)

Refinement-checking, as embodied in tools like FDR, PAT and ProB, is a popular approach for model-checking refinement-closed predicates of CSP processes. We consider the limits of this ... denotational predicate ...

Toby Murray

2013-03-01T23:59:59.000Z

473

Current limiters based on silicon pillar un-gated FET for field emission application  

E-Print Network [OSTI]

This research investigates the use of vertical silicon ungated field effect transistors (FETs) as current limiters to individuallycontrol emission current in a field emitter and provide a simple solution to three problems ...

Niu, Ying, M. Eng. Massachusetts Institute of Technology

2009-01-01T23:59:59.000Z

474

Accident causation study on roadways with limited sight distance crest vertical curves  

E-Print Network [OSTI]

reflect the driver and vehicle population currently on the transportation network. An accident causation study was conducted to determine if roadways with limited stopping sight distance present a safety hazard for the transportation network. Rural two...

Stoddard, Angela May

2012-06-07T23:59:59.000Z

475

SQUID-Detected MRI in the Limit of Zero Static Field  

E-Print Network [OSTI]

2.4 Current-limiting Josephson junction array . . . . . iv2.1.2 Josephson e?ect and Josephson junctions . 2.1.3 The dctransformer with Josephson junction array in series with

Kelso, Nathan Dean

2010-01-01T23:59:59.000Z

476

Two-dimensional chemotherapy simulations demonstrate fundamental transport and tumor response limitations involving nanoparticles  

Science Journals Connector (OSTI)

...chemotherapy simulations demonstrate fundamental transport and tumor response...estimation that demonstrate fundamental convective and diffusive transport...which is drug-sensitive and does not develop resistance; targeted...our analysis shows that fundamental transport limitations are...

Vittorio Cristini; John Sinek; and Hermann Frieboes

2005-05-01T23:59:59.000Z

477

E-Print Network 3.0 - arc energy limiting Sample Search Results  

Broader source: All U.S. Department of Energy (DOE) Office Webpages (Extended Search)

energy limiting Page: << < 1 2 3 4 5 > >> 1 IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, VOL. 50, NO. 3, JUNE 2001 697 Robust Sensing of Arc Length Summary: the...

478

EECBG 11-002 Clarification of Ten Percent Limitation on Use of Funds for Administrative Expenses  

Broader source: Energy.gov [DOE]

U.S. Department of Energy (DOE), Office of Energy Efficiency and Renewable Energy (EERE), Energy Efficiency and Conservation Block Grant Program (EECBG), ten percent limitation, administrative expenses, the Energy Independence and Security Act of 2007.

479

Calibrated Precipitation Forecasts for a Limited-Area Ensemble Forecast System Using Reforecasts  

Science Journals Connector (OSTI)

The calibration of numerical weather forecasts using reforecasts has been shown to increase the skill of weather predictions. Here, the precipitation forecasts from the Consortium for Small Scale Modeling Limited Area Ensemble Prediction System (...

Felix Fundel; Andre Walser; Mark A. Liniger; Christoph Frei; Christof Appenzeller

2010-01-01T23:59:59.000Z

480

Final External Peer Review Report for Tamiami Trail Limited Reevaluation Report  

E-Print Network [OSTI]

Final External Peer Review Report for Tamiami Trail Limited Reevaluation Report By Battelle......................................................................................... 1 1.2 Purpose of External Peer Review......................................................................................................... 2 2.2 Identification and Selection of External Peer Reviewers

US Army Corps of Engineers

Note: This page contains sample records for the topic "limits limits limits" 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.


481

Piecing together modular : understanding the benefits and limitations of modular construction methods for multifamily development  

E-Print Network [OSTI]

The primary purpose of this thesis is to explain the benefits and limitations of modular construction as it pertains to primarily wood-frame, multifamily housing in the United States. This thesis attempts to educate the ...

Cameron, Peter J. (Peter Jay)

2007-01-01T23:59:59.000Z

482

A methodology to pre-screen commercial buildings for potential energy savings using limited information  

E-Print Network [OSTI]

with large potential energy savings using limited information, specifically, utility bills, total area and weather data. The methodology is developed based on the hypothesis: if a commercial building is properly designed, constructed, operated, and maintained...

Zhu, Yiwen

2006-04-12T23:59:59.000Z

483

Combustion lean limits fundamentals and their application to a SI hydrogen-enhanced engine concept  

E-Print Network [OSTI]

Operating an engine with excess air, under lean conditions, has significant benefits in terms of increased engine efficiency and reduced emissions. However, under high dilution levels, a lean limit is reached where combustion ...

Ayala, Ferran A. (Ferran Alberto), 1976-

2006-01-01T23:59:59.000Z

484

Overcoming the Diffraction Limit Using Multiple Light Scattering in a Highly Disordered Medium  

E-Print Network [OSTI]

We report that disordered media made of randomly distributed nanoparticles can be used to overcome the diffraction limit of a conventional imaging system. By developing a method to extract the original image information ...

Choi, Youngwoon

485

A High-Efficiency Light-Collection System for Energy-Limited Infrared Emission Radiometers  

Science Journals Connector (OSTI)

An optical system that combines radiation from four solid angles about an emission source into a single beam was used in conjunction with a detector-noise-limited, flame infrared...

Busch, Kenneth W; Busch, Marianna A; Tilotta, David C; Kubala, S Wayne; Ravishankar, S

1991-01-01T23:59:59.000Z

486

Theoretical study of the recording density limit of photochemical hole-burning memory  

Science Journals Connector (OSTI)

To clarify the potential of photochemical hole-burning memory systems, we study the theoretical recording-density limit of such systems. Shot noise and material noise are considered...

Murase, Norio; Horie, Kazuyuki; Terao, Motoyasu; Ojima, Masahiro

1992-01-01T23:59:59.000Z

487

A statistical study of the geological limits to Advanced Piston Coring: ODP Legs 101-149  

E-Print Network [OSTI]

The Advanced Piston Corer (APC), a soft sediment coring system developed from the hydraulic piston corer (HPC), allows recovery of ocean sediments with minimal coring disturbance. As a coring too[, the APC system is subject to limitations imposed...

Lee, Yir-Der Eddy

2012-06-07T23:59:59.000Z

488

The solution of Cauchy's problem for the Toda lattice with limit periodic initial data  

SciTech Connect (OSTI)

Cauchy's problem for Toda lattices with initial data equal to the sum of a periodic and a rapidly decreasing sequence is solved with the use of the inverse scattering method. A method allowing one to find a limit periodic solution of the Toda lattice from a known periodic solution is described. The existence and uniqueness of a limit periodic solution is proved. Bibliography: 17 titles.

Khanmamedov, A Kh [Baku State University, Baku (Azerbaijan)

2008-04-30T23:59:59.000Z

489

An analysis of confidence limit calculations used in AAPM Task Group No. 119  

SciTech Connect (OSTI)

Purpose: The report issued by AAPM Task Group No. 119 outlined a procedure for evaluating the effectiveness of IMRT commissioning. The procedure involves measuring gamma pass-rate indices for IMRT plans of standard phantoms and determining if the results fall within a confidence limit set by assuming normally distributed data. As stated in the TG report, the assumption of normally distributed gamma pass rates is a convenient approximation for commissioning purposes, but may not accurately describe the data. Here the authors attempt to better describe gamma pass-rate data by fitting it to different distributions. The authors then calculate updated confidence limits using those distributions and compare them to those derived using TG No. 119 method. Methods: Gamma pass-rate data from 111 head and neck patients are fitted using the TG No. 119 normal distribution, a truncated normal distribution, and a Weibull distribution. Confidence limits to 95% are calculated for each and compared. A more general analysis of the expected differences between the TG No. 119 method of determining confidence limits and a more time-consuming curve fitting method is performed. Results: The TG No. 119 standard normal distribution does not fit the measured data. However, due to the small range of measured data points, the inaccuracy of the fit has only a small effect on the final value of the confidence limits. The confidence limits for the 111 patient plans are within 0.1% of each other for all distributions. The maximum expected difference in confidence limits, calculated using TG No. 119's approximation and a truncated distribution, is 1.2%. Conclusions: A three-parameter Weibull probability distribution more accurately fits the clinical gamma index pass-rate data than the normal distribution adopted by TG No. 119. However, the sensitivity of the confidence limit on distribution fit is low outside of exceptional circumstances.

Knill, Cory; Snyder, Michael [Department of Radiation Oncology, Karmanos Cancer Center, Detroit, Michigan 48201 (United States); Department of Radiation Oncology, Karmanos Cancer Center, Detroit, Michigan 48201 and Wayne State University, Detroit, Michigan 48201 (United States)

2011-04-15T23:59:59.000Z

490

Temperature limits for LMFBR fuel cladding under upset and emergency operating conditions  

SciTech Connect (OSTI)

LMFBR fuel pin cladding tube is subjected to high transient temperatures during incidents such as pump trip, pump to grid plate pipe rupture etc. It is required to know temperature limits under such transient operating conditions for components involved while analyzing such incidents. A methodology for deriving such limits for fuel clad tube is worked out in this paper by making use of the transient damage correlation proposed by W.F. Brizes et. al.

Govindarajan, S.; Chetal, S.C. [Indira Gandhi Centre for Atomic Research, Kalpakkam Tamilnadu (India). Nuclear Systems Division

1996-07-01T23:59:59.000Z

491

Limits on large extra dimensions based on observations of neutron stars with the Fermi-LAT  

SciTech Connect (OSTI)

We present limits for the compactification scale in the theory of Large Extra Dimensions (LED) proposed by Arkani-Hamed, Dimopoulos, and Dvali. We use 11 months of data from the Fermi Large Area Telescope (Fermi-LAT) to set gamma ray flux limits for 6 gamma-ray faint neutron stars (NS). To set limits on LED we use the model of Hannestad and Raffelt (HR) that calculates the Kaluza-Klein (KK) graviton production in supernova cores and the large fraction subsequently gravitationally bound around the resulting NS. The predicted decay of the bound KK gravitons to ?? should contribute to the flux from NSs. Considering 2 to 7 extra dimensions of the same size in the context of the HR model, we use Monte Carlo techniques to calculate the expected differential flux of gamma-rays arising from these KK gravitons, including the effects of the age of the NS, graviton orbit, and absorption of gamma-rays in the magnetosphere of the NS. We compare our Monte Carlo-based differential flux to the experimental differential flux using maximum likelihood techniques to obtain our limits on LED. Our limits are more restrictive than past EGRET-based optimistic limits that do not include these important corrections. Additionally, our limits are more stringent than LHC based limits for 3 or fewer LED, and comparable for 4 LED. We conclude that if the effective Planck scale is around a TeV, then for 2 or 3 LED the compactification topology must be more complicated than a torus.

Ajello, M.; Bechtol, K.; Berenji, B.; Bloom, E.D.; Borgland, A.W.; Buehler, R.; Cameron, R.A. [W.W. Hansen Experimental Physics Laboratory, Kavli Institute for Particle Astrophysics and Cosmology, Department of Physics and SLAC National Accelerator Laboratory, Stanford University, Stanford, CA 94305 (United States); Baldini, L.; Bellazzini, R.; Bregeon, J. [INFN — Sezione di Pisa, I-56127 Pisa (Italy); Barbiellini, G. [INFN — Sezione di Trieste, I-34127 Trieste (Italy); Bastieri, D.; Buson, S. [INFN — Sezione di Padova, I-35131 Padova (Italy); Bonamente, E.; Cecchi, C. [INFN — Sezione di Perugia, I-06123 Perugia (Italy); Brigida, M. [Dipartimento di Fisica 'M. Merlin' dell'Universitŕ e del Politecnico di Bari, I-70126 Bari (Italy); Bruel, P. [Laboratoire Leprince-Ringuet, École polytechnique, CNRS/IN2P3, Palaiseau (France); Caliandro, G.A. [Institut de Cičncies de l'Espai (IEEE-CSIC), Campus UAB, 08193 Barcelona (Spain); Caraveo, P.A. [INAF-Istituto di Astrofisica Spaziale e Fisica Cosmica, I-20133 Milano (Italy); Casandjian, J.M., E-mail: bijanb@alumni.stanford.edu, E-mail: elliott@slac.stanford.edu, E-mail: johann.cohen-tanugi@lupm.in2p3.fr [Laboratoire AIM, CEA-IRFU/CNRS/Université Paris Diderot, Service d'Astrophysique, CEA Saclay, 91191 Gif sur Yvette (France); Collaboration: Fermi-LAT collaboration; and others

2012-02-01T23:59:59.000Z

492

Limits on Large Extra Dimensions Based on Observations of Neutron Stars with the Fermi-LAT  

SciTech Connect (OSTI)

We present limits for the compactification scale in the theory of Large Extra Dimensions (LED) proposed by Arkani-Hamed, Dimopoulos, and Dvali. We use 11 months of data from the Fermi Large Area Telescope (Fermi-LAT) to set gamma ray flux limits for 6 gamma-ray faint neutron stars (NS). To set limits on LED we use the model of Hannestad and Raffelt (HR) that calculates the Kaluza-Klein (KK) graviton production in supernova cores and the large fraction subsequently gravitationally bound around the resulting NS. The predicted decay of the bound KK gravitons to {gamma}{gamma} should contribute to the flux from NSs. Considering 2 to 7 extra dimensions of the same size in the context of the HR model, we use Monte Carlo techniques to calculate the expected differential flux of gamma-rays arising from these KK gravitons, including the effects of the age of the NS, graviton orbit, and absorption of gamma-rays in the magnetosphere of the NS. We compare our Monte Carlo-based differential flux to the experimental differential flux using maximum likelihood techniques to obtain our limits on LED. Our limits are more restrictive than past EGRET-based optimistic limits that do not include these important corrections. Additionally, our limits are more stringent than LHC based limits for 3 or fewer LED, and comparable for 4 LED. We conclude that if the effective Planck scale is around a TeV, then for 2 or 3 LED the compactification topology must be more complicated than a torus.

Ajello, M.; /SLAC /KIPAC, Menlo Park; Baldini, L.; /INFN, Pisa; Barbiellini, G.; /INFN, Trieste /Trieste U.; Bastieri, D.; /INFN, Padua /Padua U.; Bechtol, K.; /SLAC /KIPAC, Menlo Park; Bellazzini, R.; /INFN, Pisa; Berenji, B.; /SLAC /KIPAC, Menlo Park; Bloom, E.D.; /SLAC /KIPAC, Menlo Park; Bonamente, E.; /INFN, Perugia /Perugia U.; Borgland, A.W.; /SLAC /KIPAC, Menlo Park; Bregeon, J.; /INFN, Pisa; Brigida, M.; /Bari Polytechnic /INFN, Bari; Bruel, P.; /Ecole Polytechnique; Buehler, R.; /SLAC /KIPAC, Menlo Park; Buson, S.; /INFN, Padua /Padua U.; Caliandro, G.A.; /CSIC, Catalunya; Cameron, R.A.; /SLAC /KIPAC, Menlo Park; Caraveo, P.A.; /Brera Observ.; Casandjian, J.M.; /AIM, Saclay; Cecchi, C.; /INFN, Perugia /Perugia U.; Charles, E.; /SLAC /KIPAC, Menlo Park /Naval Research Lab, Wash., D.C. /SLAC /KIPAC, Menlo Park /ASDC, Frascati /Perugia U. /SLAC /KIPAC, Menlo Park /Montpellier U. /Stockholm U. /Stockholm U., OKC /Royal Swedish Acad. Sci. /ASDC, Frascati /Udine U. /INFN, Trieste /Bari Polytechnic /INFN, Bari /Naval Research Lab, Wash., D.C. /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /Bari Polytechnic /INFN, Bari /Ecole Polytechnique /NASA, Goddard /Hiroshima U. /Bari Polytechnic /INFN, Bari /INFN, Bari /ASDC, Frascati /INFN, Perugia /Perugia U. /Bari Polytechnic /INFN, Bari /Bari Polytechnic /INFN, Bari /Bologna Observ. /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /SLAC /KIPAC, Menlo Park /AIM, Saclay /Alabama U., Huntsville /INFN, Padua; /more authors..

2012-08-17T23:59:59.000Z

493

THEOR`EMES DE DE FINETTI, LIMITES DE CHAMP MOYEN ET CONDENSATION DE BOSE-EINSTEIN  

E-Print Network [OSTI]

TH´EOR`EMES DE DE FINETTI, LIMITES DE CHAMP MOYEN ET CONDENSATION DE BOSE-EINSTEIN NICOLAS ROUGERIE principaux sont des th´eor`emes de structure `a la de Finetti qui d´ecrivent les limites pour N grand des'accent est mis sur les aspects quantiques, notamment l'approximation de champ moyen pour le fondamental d'un

Boyer, Edmond

494

Limiting diffusion coefficients of heavy molecular weight organic contaminants in supercritical carbon dioxide  

E-Print Network [OSTI]

LIMITING DIFFUSION COEFFICIENTS OF HEAVY MOLECULAR WEIGHT ORGANIC CONTAMINANTS IN SUPERCRITICAL CARBON DIOXIDE A Thesis by MAURICIO OREJUELA Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment... of the requirements for the degree of MASTER OF SCIENCE August 1994 Major Subject: Chemical Engineering LIMITING DIFFUSION COEFFICIENTS OF HEAVY MOLECULAR WEIGHT ORGANIC CONTAMINANTS IN SUPERCRITICAL CARBON DIOXIDE A Thesis by MAURICIO OREJUELA Submitted...

Orejuela, Mauricio

1994-01-01T23:59:59.000Z

495

Evaluation of geologic materials to limit biological intrusion into low-level radioactive waste disposal sites  

SciTech Connect (OSTI)

This report describes the results of a three-year research program to evaluate the performance of selected soil and rock trench cap designs in limiting biological intrusion into simulated waste. The report is divided into three sections including a discussion of background material on biological interactions with waste site trench caps, a presentation of experimental data from field studies conducted at several scales, and a final section on the interpretation and limitations of the data including implications for the user.

Hakonson, T.E.

1986-02-01T23:59:59.000Z

496

Role of parity transformation for the fluctuation theorem: Limit cycle and symmetry breaking  

E-Print Network [OSTI]

The fluctuation theorem of the Crooks type is studied for thermodynamic nonlinear- multivariate systems. In particular, a bivariate system having a limit cycle is discussed in detail. It is explicitly shown how the time reversal operation has to be combined with the parity transformation in order to derive the fluctuation theorem for the change of the renormalized entropy. Furthermore, breakdown of the symmetry in a limit-cycle model due to the effect of fluctuations is also discussed.

Yasuyuki Matsuo

2014-02-26T23:59:59.000Z

497

Evaluation of wrist strength limitations in two-dimensional biochemical modeling  

E-Print Network [OSTI]

EVALUATION OF WRIST STRENGTH LIMITATIONS IN TWO-DIMENSIONAL BIOMECHANICAL MODELING A Thesis by KHALED WALID AL-EISAWI Submitted to the Office of Graduate Studies of Texas A&M University in partial fulfillment of the requirements... for the degree of MASTER OF SCIENCE May 1994 Major Subject: Industrial Engineering EVALUATION OF WRIST STRENGTH LIMITATIONS IN TWO-DIMENSIONAL BIOMECHANICAL MODELING A Thesis by KHALED WALID AL-EISAWI Submitted to Texas A&M University in partial...

Al-Eisawi, Khaled Walid

2012-06-07T23:59:59.000Z

498

Influence of reactive species on the lean blowout limit of an industrial DLE gas turbine burner  

Science Journals Connector (OSTI)

Abstract In order to achieve ultra-low emissions of both NOX and CO it is imperative to use a homogeneous premixed combustor. To lower the emissions further, the equivalence ratio can be lowered. By doing so, combustion is moved towards the lean blowout (LBO) limit. To improve the blowout characteristics of a burner, heat and radicals can be supplied to the flame zone. This can be achieved using a pre-chamber combustor. In this study, a central body burner, called the RPL (rich-pilot-lean) section, was used as a pre-chamber combustor to supply heat and radicals to a downscaled industrial burner. The flue gas from the RPL is mixed with the surrounding fresh mixture and form a second flame zone. This zone acts as a stabilizer for the investigated burner. The LBO limit was modeled using two perfectly stirred reactors (PSRs) in series, which allows the chemical influence on the LBO limit to be isolated. The resulting trends for the modeled LBO limit were in agreement with measured data. Increasing the equivalence ratio in the RPL section, thus increasing the energy supplied by the fuel, is a major contributor to combustion stability up to a limit where the temperature decrease is too large support combustion. For lean RPL combustion, the reactive species O, H and OH in combination affect the stability to a greater extent than the temperature alone. At rich equivalence ratios, the conversion of methane to hydrogen and carbon monoxide in the RPL section is a factor influencing the LBO limit. The results are compared with emission probe measurements that were used to investigate the LBO limit for methane and a generic syngas (10% CH4, 67.5% H2, and 22.5% CO). The syngas was also investigated after being diluted with nitrogen to a Wobbe index of 15 MJ/m3.

Ivan R. Sigfrid; Ronald Whiddon; Robert Collin; Jens Klingmann

2014-01-01T23:59:59.000Z

499

Edge plasma modeling of limiter surfaces in a Tokamak divertor configuration  

SciTech Connect (OSTI)

During the startup phase of a tokamak the plasma configuration may evolve from a limiter to a divertor configuration. Some of the particle and heat flux from the core will be deposited on material surfaces near the separatrix instead of the divertor plates. Examples of such surfaces include the center-post in most tokamaks, baffles near the x-point that create closed divertors, and outboard limiter surfaces. Two-dimensional edge plasma models for tokamak divertor configurations typically give detailed information about the particle and heat fluxes on the divertor plates, but yield little or no information about fluxes on these other localized surfaces near the core plasma. To realistically model the startup phase of a tokamak it is necessary to compute the plasma interaction with both limiter and divertor surfaces. The UEDGE code [l] has been modified to include these limiter surfaces. In this report we present simulation results for an idealized ITER [2] startup configuration with variations in the limiter penetration depth and surface shape.

Rensink, M. E., LLNL

1998-05-11T23:59:59.000Z

500

Indirectly sensing accelerator beam currents for limiting maximum beam current magnitude  

DOE Patents [OSTI]

A beam current limiter is disclosed for sensing and limiting the beam current in a particle accelerator, such as a cyclotron or linear accelerator, used in scientific research and medical treatment. A pair of independently operable capacitive electrodes sense the passage of charged particle bunches to develop an RF signal indicative of the beam current magnitude produced at the output of a bunched beam accelerator. The RF signal produced by each sensing electrode is converted to a variable DC voltage indicative of the beam current magnitude. The variable DC voltages thus developed are compared to each other to verify proper system function and are further compared to known references to detect beam currents in excess of pre-established limits. In the event of a system malfunction, or if the detected beam current exceeds pre-established limits, the beam current limiter automatically inhibits further accelerator operation. A high Q tank circuit associated with each sensing electrode provides a narrow system bandwidth to reduce noise and enhance dynamic range. System linearity is provided by injecting, into each sensing electrode, an RF signal that is offset from the bunching frequency by a pre-determined beat frequency to ensure that subsequent rectifying diodes operate in a linear response region. The system thus provides a large dynamic range in combination with good linearity. 6 figs.

Bogaty, J.M.; Clifft, B.E.; Bollinger, L.M.

1995-08-08T23:59:59.000Z