Sample records for discontinuum representations capturing

  1. THMC Modeling of EGS Reservoirs ? Continuum through Discontinuum...

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

    Continuum through Discontinuum Representations: Capturing Reservoir Stimulation, Evolution and Induced Seismicity THMC Modeling of EGS Reservoirs Continuum through...

  2. THMC Modeling of EGS Reservoirs ?Continuum through Discontinuum Representations: Capturing Reservoir Stimulation, Evolution and Induced Seismicity

    Broader source: Energy.gov [DOE]

    This research will develop a thorough understanding of complex THMC interactions through synthesis, modeling and verification.

  3. Towards the Understanding of Induced Seismicity in Enhanced Geothermal...

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

    Continuum through Discontinuum Representations: Capturing Reservoir Stimulation, Evolution and Induced Seismicity Microearthquake Technology for EGS Fracture Characterization...

  4. 144 IEEE TRANSACTIONS ON MULTIMEDIA, VOL. 1, NO. 2, JUNE 1999 Capture and Representation of Human

    E-Print Network [OSTI]

    Moura, José

    graphics, animation, and virtual reality [16]. Chromo keying is a technique commonly used in these contexts144 IEEE TRANSACTIONS ON MULTIMEDIA, VOL. 1, NO. 2, JUNE 1999 Capture and Representation of Human human representations from video has vast applications. In this paper, we present a knowledge

  5. CX-001424: Categorical Exclusion Determination

    Broader source: Energy.gov [DOE]

    Thermal-Hydrological-Mechanical-Chemical Modeling of Enhanced Geothermal System Reservoirs - Continuum through Discontinuum Representations: Capturing Reservoir Stimulation, Evolution and Induced SeismicityCX(s) Applied: A9Date: 03/29/2010Location(s): PennsylvaniaOffice(s): Energy Efficiency and Renewable Energy, Golden Field Office

  6. Evaluating Hydrology Preservation of Simplified Terrain Representations

    E-Print Network [OSTI]

    Varela, Carlos

    Evaluating Hydrology Preservation of Simplified Terrain Representations Ph. D. Student: Christopher captures the hydrology is important for determining the effectiveness of a terrain simplification technique also present a novel ter- rain simplification algorithm based on the compression of hydrology features

  7. Evaluating Hydrology Preservation of Simplified Terrain Representations

    E-Print Network [OSTI]

    Franklin, W. Randolph

    Evaluating Hydrology Preservation of Simplified Terrain Representations Jonathan Muckella , Marcus network. A quan- titative measurement of how accurately a drainage network captures the hydrology to preserve the important hydrology features. This method and other simplification schemes are then evaluated

  8. DNA Motif Representation with Nucleotide Dependency

    E-Print Network [OSTI]

    Chin, Francis Y.L.

    DNA Motif Representation with Nucleotide Dependency Francis Chin1 and Henry Leung1 1 Department, these representations cannot model biological binding sites well because they fail to capture nucleotide interdependence. It has been pointed out by many researchers that the nucleotides of the DNA binding site cannot

  9. Loop Representations

    E-Print Network [OSTI]

    B. Bruegmann

    1993-12-02T23:59:59.000Z

    The loop representation plays an important role in canonical quantum gravity because loop variables allow a natural treatment of the constraints. In these lectures we give an elementary introduction to (i) the relevant history of loops in knot theory and gauge theory, (ii) the loop representation of Maxwell theory, and (iii) the loop representation of canonical quantum gravity. (Based on lectures given at the 117. Heraeus Seminar, Bad Honnef, Sept. 1993)

  10. Feasibility of air capture

    E-Print Network [OSTI]

    Ranjan, Manya

    2010-01-01T23:59:59.000Z

    Capturing CO2 from air, referred to as Air Capture, is being proposed as a viable climate change mitigation technology. The two major benefits of air capture, reported in literature, are that it allows us to reduce the ...

  11. The Social Dynamics of Carbon Capture and Storage

    E-Print Network [OSTI]

    The Social Dynamics of Carbon Capture and Storage Understanding CCS Representations, Governance studies. He works as a Research Associate at the Scottish Carbon Capture and Storage research centre works on assessing options for removal and storage of CO2. This includes techno-economic, socio

  12. transformations: representations

    E-Print Network [OSTI]

    Nguyen, Dat H.

    Overview 1. Number transformations: from one base to another 2. Integer representations 3. Real rate, caches... #12; ECS 50, Discussion on 4/25 2 Integer Transformation: From Decimal to Binary Let, Discussion on 4/25 3 Integer Transformation: From Binary to Decimal Compute the weight of each digit position

  13. Generating Tensor Representation from Concept Tree in Meaning Based Search

    E-Print Network [OSTI]

    Panigrahy, Jagannath

    2011-08-08T23:59:59.000Z

    to a representation that can be stored and compared efficiently on computers. Meaning of objects can be adequately captured in terms of a hierarchical composition structure called concept tree. This thesis describes the design and development...

  14. PALM - Laser Capture Microdissection | EMSL

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

    PALM - Laser Capture Microdissection PALM - Laser Capture Microdissection This Laser Capture Microdissection system is equipped with 100 x objective lens for enriching distinct...

  15. Cryogenic Carbon Capture

    SciTech Connect (OSTI)

    None

    2010-07-15T23:59:59.000Z

    IMPACCT Project: SES is developing a process to capture CO2 from the exhaust gas of coal-fired power plants by desublimation - the conversion of a gas to a solid. Capturing CO2 as a solid and delivering it as a liquid avoids the large energy cost of CO2 gas compression. SES’ capture technology facilitates the prudent use of available energy resources. Coal is our most abundant energy resource and is an excellent fuel for baseline power production. SES capture technology can capture 99% of the CO2 emissions in addition to a wide range of other pollutants more efficiently and at lower costs than existing capture technologies. SES’ capture technology can be readily added to our existing energy infrastructure.

  16. Representation of Universal Algebra

    E-Print Network [OSTI]

    Aleks Kleyn

    2015-02-07T23:59:59.000Z

    Theory of representations of universal algebra is a natural development of the theory of universal algebra. Morphism of the representation is the map that conserve the structure of the representation. Exploring of morphisms of the representation leads to the concepts of generating set and basis of representation. In the book I considered the notion of tower of representations of $F_i$-algebras, i=1 ..., n, as the set of coordinated representations of $F_i$-algebras.

  17. THMC Modeling of EGS Reservoirs ?Continuum through Discontinuum...

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

    - Funding received FY09: 0 - Funding committed FY10: 406,466 * Partners - LBNL - AltaRock * Barriers Overleaf Mandatory Overview Slide 3 | US DOE Geothermal Program...

  18. THMC Modeling of EGS Reservoirs ? Continuum through Discontinuum...

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

    4.30 in GTP-MYRDD through the determination of influence of chemistry on the slip and seismic attributes of rupturing fractures. * New GTP Goals: "Model the reservoir conductivity...

  19. THMC Modeling of EGS Reservoirs Â… Continuum through Discontinuum

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn'tOriginEducationVideoStrategic| Department of EnergyFOR IMMEDIATE RELEASEWORLD'S

  20. Capturing Energy Upgrades

    Broader source: Energy.gov [DOE]

    Provides an overview of how to capture the value of energy efficiency upgrades in the real estate market, from CNT Energy.

  1. Reversible Acid Gas Capture

    ScienceCinema (OSTI)

    Dave Heldebrant

    2012-12-31T23:59:59.000Z

    Pacific Northwest National Laboratory scientist David Heldebrant demonstrates how a new process called reversible acid gas capture works to pull carbon dioxide out of power plant emissions.

  2. BASHIR et al.: GAIT REPRESENTATION USING FLOW FIELDS 1 Gait Representation Using Flow Fields

    E-Print Network [OSTI]

    Gong, Shaogang

    the human body configuration (e.g. 2D/3D skeletons) and the model parameters estimated over time encode approaches such as Gait Energy Image (GEI) and Motion Silhouettes Image (MSI) capture only the motion inten unchanged freely in print or electronic forms. #12;2 BASHIR et al.: GAIT REPRESENTATION USING FLOW FIELDS

  3. IMPACCT: Carbon Capture Technology

    SciTech Connect (OSTI)

    None

    2012-01-01T23:59:59.000Z

    IMPACCT Project: IMPACCT’s 15 projects seek to develop technologies for existing coal-fired power plants that will lower the cost of carbon capture. Short for “Innovative Materials and Processes for Advanced Carbon Capture Technologies,” the IMPACCT Project is geared toward minimizing the cost of removing carbon dioxide (CO2) from coal-fired power plant exhaust by developing materials and processes that have never before been considered for this application. Retrofitting coal-fired power plants to capture the CO2 they produce would enable greenhouse gas reductions without forcing these plants to close, shifting away from the inexpensive and abundant U.S. coal supply.

  4. ATK - Supersonic Carbon Capture

    ScienceCinema (OSTI)

    Castrogiovanni, Anthony (ACEnT Laboratories, President and CEO); Calayag, Bon (ATK, Program Manager)

    2014-04-11T23:59:59.000Z

    ATK and ACEnt Laboratories, with the help of ARPA-E funding, have taken an aerospace problem, supersonic condensation, and turned it into a viable clean energy solution for carbon capture.

  5. ATK - Supersonic Carbon Capture

    SciTech Connect (OSTI)

    Castrogiovanni, Anthony (ACEnT Laboratories, President and CEO) [ACEnT Laboratories, President and CEO; Calayag, Bon (ATK, Program Manager) [ATK, Program Manager

    2014-03-05T23:59:59.000Z

    ATK and ACEnt Laboratories, with the help of ARPA-E funding, have taken an aerospace problem, supersonic condensation, and turned it into a viable clean energy solution for carbon capture.

  6. GETTING CARBON CAPTURE AND STORAGE

    E-Print Network [OSTI]

    Haszeldine, Stuart

    GETTING CARBON CAPTURE AND STORAGE TECHNOLOGIES TO MARKET BREAKING THE DEADLOCK Report of a Science: Carbon Capture and Storage © OECD/IEA 2009, fig. 1, p. 6 Figures 2 and 3 reprinted with permission from `UK Carbon storage and capture, where is it?' by Stuart Haszeldine, Professor of Carbon Capture

  7. Motion Capture Technologies Jessica Hodgins

    E-Print Network [OSTI]

    Treuille, Adrien

    a few dof) #12;Production Pipeline #12;What is captured? · Dynamic motions? House of Moves #12;What is captured? · Scale? Motion Analysis #12;What is captured? · Non-rigid objects? House of Moves #12;What is captured? · Props often cause problems ­ Ball in pingpong ­ Fly fishing ­ Sword · Passive behaviors

  8. Sandia Energy - Carbon Capture

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Scienceand RequirementsCoatings Initiated at PNNL's Sequim BayCapture Home Carbon Capture The

  9. Carbon Smackdown: Carbon Capture

    ScienceCinema (OSTI)

    Jeffrey Long

    2010-09-01T23:59:59.000Z

    In this July 9, 2010 Berkeley Lab summer lecture, Lab scientists Jeff Long of the Materials Sciences and Nancy Brown of the Environmental Energy Technologies Division discuss their efforts to fight climate change by capturing carbon from the flue gas of power plants, as well as directly from the air

  10. Neutron capture therapies

    DOE Patents [OSTI]

    Yanch, Jacquelyn C. (Cambridge, MA); Shefer, Ruth E. (Newton, MA); Klinkowstein, Robert E. (Winchester, MA)

    1999-01-01T23:59:59.000Z

    In one embodiment there is provided an application of the .sup.10 B(n,.alpha.).sup.7 Li nuclear reaction or other neutron capture reactions for the treatment of rheumatoid arthritis. This application, called Boron Neutron Capture Synovectomy (BNCS), requires substantially altered demands on neutron beam design than for instance treatment of deep seated tumors. Considerations for neutron beam design for the treatment of arthritic joints via BNCS are provided for, and comparisons with the design requirements for Boron Neutron Capture Therapy (BNCT) of tumors are made. In addition, exemplary moderator/reflector assemblies are provided which produce intense, high-quality neutron beams based on (p,n) accelerator-based reactions. In another embodiment there is provided the use of deuteron-based charged particle reactions to be used as sources for epithermal or thermal neutron beams for neutron capture therapies. Many d,n reactions (e.g. using deuterium, tritium or beryllium targets) are very prolific at relatively low deuteron energies.

  11. Muon capture at PSI

    E-Print Network [OSTI]

    Peter Winter

    2010-12-17T23:59:59.000Z

    Measuring the rate of muon capture in hydrogen provides one of the most direct ways to study the axial current of the nucleon. The MuCap experiment uses a negative muon beam stopped in a time projection chamber operated with ultra-pure hydrogen gas. Surrounded by a decay electron detector, the lifetime of muons in hydrogen can be measured to determine the singlet capture rate Lambda_s to a final precision of 1%. The capture rate determines the nucleon's pseudoscalar form factor g_p. A first result, g_p = 7.3 +- 1.1, has been published and the final analysis of the full statistics will reduce the error by a factor of up to 3. Muon capture on the deuteron probes the weak axial current in the two-nucleon system. Within the framework of effective field theories the calculation of such two-nucleon processes involving the axial current requires the knowledge of one additional low energy constant which can be extracted from the doublet capture rate Lambda_d. The same constant then allows to model-independently calculate related processes such as solar pp-fusion or neutrino-deuteron scattering. The MuSun experiment will deduce Lambda_d to better than 1.5%. The experiment uses the MuCap detection setup with a new time projection chamber operated with deuterium at 30K and several hardware upgrades. The system is currently fully commissioned and the main physics data taking will start in 2011.

  12. Sandia National Laboratories: Carbon Capture & Storage

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

    Carbon Capture & Storage High-Pressure and High-Temperature Neutron Reflectometry Cell for Solid-Fluid Interface Studies On February 21, 2013, in Carbon Capture, Carbon Capture &...

  13. Student Representation System Policy Student Representation System Policy

    E-Print Network [OSTI]

    Birmingham, University of

    Policy Student Representation System Policy 2013-14 Student Representation System Policy UNIVERSITY OF BIRMINGHAM STUDENT REPRESENTATION SYSTEM POLICY #12;Policy Student Representation System Policy 2013-14 Student Representation System Policy Index of points 1. Introduction 2. Purpose 3. Core Principles 4

  14. Fragment capture device

    DOE Patents [OSTI]

    Payne, Lloyd R. (Los Lunas, NM); Cole, David L. (Albuquerque, NM)

    2010-03-30T23:59:59.000Z

    A fragment capture device for use in explosive containment. The device comprises an assembly of at least two rows of bars positioned to eliminate line-of-sight trajectories between the generation point of fragments and a surrounding containment vessel or asset. The device comprises an array of at least two rows of bars, wherein each row is staggered with respect to the adjacent row, and wherein a lateral dimension of each bar and a relative position of each bar in combination provides blockage of a straight-line passage of a solid fragment through the adjacent rows of bars, wherein a generation point of the solid fragment is located within a cavity at least partially enclosed by the array of bars.

  15. Robust automated knowledge capture.

    SciTech Connect (OSTI)

    Stevens-Adams, Susan Marie; Abbott, Robert G.; Forsythe, James Chris; Trumbo, Michael Christopher Stefan; Haass, Michael Joseph; Hendrickson, Stacey M. Langfitt

    2011-10-01T23:59:59.000Z

    This report summarizes research conducted through the Sandia National Laboratories Robust Automated Knowledge Capture Laboratory Directed Research and Development project. The objective of this project was to advance scientific understanding of the influence of individual cognitive attributes on decision making. The project has developed a quantitative model known as RumRunner that has proven effective in predicting the propensity of an individual to shift strategies on the basis of task and experience related parameters. Three separate studies are described which have validated the basic RumRunner model. This work provides a basis for better understanding human decision making in high consequent national security applications, and in particular, the individual characteristics that underlie adaptive thinking.

  16. Air Capture Introduction and Overview

    E-Print Network [OSTI]

    first." It is much cheaper to capture CO2 from the flue gas of a coal power plant than from ambient air largely eliminated centralized sources of CO2 emissions, especially at coal and natural gas power plants of a facility that captures CO2 from the flue gas of a coal power plant, keeping all possible assumptions

  17. Hermeneutics, Information and Representation

    E-Print Network [OSTI]

    Chalmers, Matthew

    Hermeneutics, Information and Representation Matthew Chalmers Computing Science, Glasgow University, United Kingdom Abstract By drawing from semiology, epistemology and philosophical hermeneutics, we for computer­supported collaborative work (CSCW). We point out similarities between discourse in hermeneutics

  18. Polymer representations and geometric quantization

    E-Print Network [OSTI]

    Miguel Campiglia

    2011-11-02T23:59:59.000Z

    Polymer representations of the Weyl algebra of linear systems provide the simplest analogues of the representation used in loop quantum gravity. The construction of these representations is algebraic, based on the Gelfand-Naimark-Segal construction. Is it possible to understand these representations from a Geometric Quantization point of view? We address this question for the case of a two dimensional phase space.

  19. Knowledge Capture and Transfer Program

    Broader source: Energy.gov [DOE]

    The Office of Learning and Workforce Development is working with Heads of Departmental Elements, DOE senior leaders and subject-matter-experts to capture and transfer the knowledge and experiences...

  20. Experience with capture cavity II

    SciTech Connect (OSTI)

    Koeth, T.; /Fermilab /Rutgers U., Piscataway; Branlard, J.; Edwards, H.; Fliller, R.; Harms, E.; Hocker, A.; McGee, M.; Pischalnikov, Y.; Prieto, P.; Reid, J.; /Fermilab

    2007-06-01T23:59:59.000Z

    Valuable experience in operating and maintaining superconducting RF cavities in a horizontal test module has been gained with Capture Cavity II. We report on all facets of our experience to date.

  1. Prospects for Improved Carbon Capture Technology

    E-Print Network [OSTI]

    Prospects for Improved Carbon Capture Technology Report to the Congressional Research Service Capture Technology i Table of Contents CHAPTER 1. EXECUTIVE SUMMARY ................................................................................................................ 7 CHAPTER 3. OVERVIEW OF CO2 CAPTURE TECHNOLOGIES

  2. Umbra's system representation.

    SciTech Connect (OSTI)

    McDonald, Michael James

    2005-07-01T23:59:59.000Z

    This document describes the Umbra System representation. Umbra System representation, initially developed in the spring of 2003, is implemented in Incr/Tcl using concepts borrowed from Carnegie Mellon University's Architecture Description Language (ADL) called Acme. In the spring of 2004 through January 2005, System was converted to Umbra 4, extended slightly, and adopted as the underlying software system for a variety of Umbra applications that support Complex Systems Engineering (CSE) and Complex Adaptive Systems Engineering (CASE). System is now a standard part Of Umbra 4. While Umbra 4 also includes an XML parser for System, the XML parser and Schema are not described in this document.

  3. Geometry, noncommutative algebra and representations

    E-Print Network [OSTI]

    Gordon, Iain

    and Deformations 4 Representation Theory 2 Iain Gordon Geometry, noncommutative algebra and representations: analysis, algebra, geometry, number theory (to name four!) 4 Iain Gordon Geometry, noncommutative algebra is a finite field. 6 Iain Gordon Geometry, noncommutative algebra and representations Geometry and Commutative

  4. Small Representation Principle

    E-Print Network [OSTI]

    H. B. F. Nielsen

    2014-03-06T23:59:59.000Z

    In a previous article Don Bennett and I looked for, found and proposed a game in which the Standard Model Gauge Group $S(U(2) \\times U(3))$ gets singled out as the "winner". This "game" means that the by Nature chosen gauge group should be just that one, which has the maximal value for a quantity, which is a modification of the ratio of the quadratic Casimir for the adjoint representation and that for a "smallest" faithful representation. In a recent article I proposed to extend this "game" to construct a corresponding game between different potential dimensions for space-time. The idea is to formulate, how the same competition as the one between the potential gauge groups would run out, if restricted to the potential Lorentz or Poincare groups achievable for different dimensions of space-time $d$. The remarkable point is, that it is the experimental space-time dimension 4, which wins. It follows that the whole Standard Model is specified by requiring SMALLEST REPRESENTATIONS! Speculatively we even argue that our principle found suggests the group of gauge transformations and some manifold(suggestive of say general relativity).

  5. Part II - Managerial Competencies: Organizational Representation...

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

    II - Managerial Competencies: Organizational Representation and Liaison Part II - Managerial Competencies: Organizational Representation and Liaison Form for the SES program...

  6. 1 Introduction Synthetic motion capture

    E-Print Network [OSTI]

    Terzopoulos, Demetri

    animation of animals in virtual worlds, but at significant computational cost. Syn- thetic motion capture). Lifelike virtual animals naturally beckon active in- volvement, and one feels compelled to interact also form the basis of Miller's snakes and worms (Miller 1988), the virtual humans of Hodgins et al

  7. Natural materials for carbon capture.

    SciTech Connect (OSTI)

    Myshakin, Evgeniy M. (National Energy Technology Laboratory, Pittsburgh, PA); Romanov, Vyacheslav N. (National Energy Technology Laboratory, Pittsburgh, PA); Cygan, Randall Timothy

    2010-11-01T23:59:59.000Z

    Naturally occurring clay minerals provide a distinctive material for carbon capture and carbon dioxide sequestration. Swelling clay minerals, such as the smectite variety, possess an aluminosilicate structure that is controlled by low-charge layers that readily expand to accommodate water molecules and, potentially, carbon dioxide. Recent experimental studies have demonstrated the efficacy of intercalating carbon dioxide in the interlayer of layered clays but little is known about the molecular mechanisms of the process and the extent of carbon capture as a function of clay charge and structure. A series of molecular dynamics simulations and vibrational analyses have been completed to assess the molecular interactions associated with incorporation of CO2 in the interlayer of montmorillonite clay and to help validate the models with experimental observation.

  8. Carbon Capture and Storage Realising the potential?

    E-Print Network [OSTI]

    Haszeldine, Stuart

    Carbon Capture and Storage Realising the potential? UKERC Research Project #12;Carbon Capture Winskel University of Edinburgh Peter Pearson and Stathis Arapostathis Low Carbon Research Institute @UKERKHQ #12;UKERC Research Project: Carbon Capture and Storage: Realising the potential? 01 It is the hub

  9. Realistic costs of carbon capture

    SciTech Connect (OSTI)

    Al Juaied, Mohammed (Harvard Univ., Cambridge, MA (US). Belfer Center for Science and International Affiaris); Whitmore, Adam (Hydrogen Energy International Ltd., Weybridge (GB))

    2009-07-01T23:59:59.000Z

    There is a growing interest in carbon capture and storage (CCS) as a means of reducing carbon dioxide (CO2) emissions. However there are substantial uncertainties about the costs of CCS. Costs for pre-combustion capture with compression (i.e. excluding costs of transport and storage and any revenue from EOR associated with storage) are examined in this discussion paper for First-of-a-Kind (FOAK) plant and for more mature technologies, or Nth-of-a-Kind plant (NOAK). For FOAK plant using solid fuels the levelised cost of electricity on a 2008 basis is approximately 10 cents/kWh higher with capture than for conventional plants (with a range of 8-12 cents/kWh). Costs of abatement are found typically to be approximately US$150/tCO2 avoided (with a range of US$120-180/tCO2 avoided). For NOAK plants the additional cost of electricity with capture is approximately 2-5 cents/kWh, with costs of the range of US$35-70/tCO2 avoided. Costs of abatement with carbon capture for other fuels and technologies are also estimated for NOAK plants. The costs of abatement are calculated with reference to conventional SCPC plant for both emissions and costs of electricity. Estimates for both FOAK and NOAK are mainly based on cost data from 2008, which was at the end of a period of sustained escalation in the costs of power generation plant and other large capital projects. There are now indications of costs falling from these levels. This may reduce the costs of abatement and costs presented here may be 'peak of the market' estimates. If general cost levels return, for example, to those prevailing in 2005 to 2006 (by which time significant cost escalation had already occurred from previous levels), then costs of capture and compression for FOAK plants are expected to be US$110/tCO2 avoided (with a range of US$90-135/tCO2 avoided). For NOAK plants costs are expected to be US$25-50/tCO2. Based on these considerations a likely representative range of costs of abatement from CCS excluding transport and storage costs appears to be US$100-150/tCO2 for first-of-a-kind plants and perhaps US$30-50/tCO2 for nth-of-a-kind plants.The estimates for FOAK and NOAK costs appear to be broadly consistent in the light of estimates of the potential for cost reductions with increased experience. Cost reductions are expected from increasing scale, learning on individual components, and technological innovation including improved plant integration. Innovation and integration can both lower costs and increase net output with a given cost base. These factors are expected to reduce abatement costs by approximately 65% by 2030. The range of estimated costs for NOAK plants is within the range of plausible future carbon prices, implying that mature technology would be competitive with conventional fossil fuel plants at prevailing carbon prices.

  10. Reduced Harmonic Representation of Partitions

    E-Print Network [OSTI]

    Michalis Psimopoulos

    2011-03-08T23:59:59.000Z

    In the present article the reduced integral representation of partitions in terms of harmonic products has been derived first by using hypergeometry and the new concept of fractional sum and secondly by studying the Fourier series of the kernel function appearing in the integral representation. Using the method of induction, a generalization of the theory has also been obtained.

  11. Bioenergy with Carbon Capture and Sequestration WorkshopBioenergy...

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

    Bioenergy with Carbon Capture and Sequestration WorkshopBioenergy with Carbon Capture and Sequestration (BECCS) Workshop Bioenergy with Carbon Capture and Sequestration...

  12. Study of Porous Adsorbents for Carbon Capture via Molecular Simulation

    E-Print Network [OSTI]

    Swisher, Joseph Andrew

    2012-01-01T23:59:59.000Z

    4 Ab initio carbon capture Background . . . . . .K. ; Haranczyk, M. ; Carbon Capture Materials Database;silico screening of carbon capture mate- rials” C Additional

  13. Water Challenges for Geologic Carbon Capture and Sequestration

    E-Print Network [OSTI]

    Newmark, Robin L.; Friedmann, Samuel J.; Carroll, Susan A.

    2010-01-01T23:59:59.000Z

    and HB 90:Carbon capture and sequestration, http://legisweb.6th annual conference on carbon capture and sequestration,7th annual conference on carbon capture & seques- tration,

  14. Perspectives on Carbon Capture and Sequestration in the United States

    E-Print Network [OSTI]

    Wong-Parodi, Gabrielle

    2011-01-01T23:59:59.000Z

    Community acceptance of carbon capture and sequestrationThe public perceptions of carbon capture and storage Workingproblems and prospects Carbon Capture and Sequestration:

  15. Perspectives on Carbon Capture and Sequestration in the United States

    E-Print Network [OSTI]

    Wong-Parodi, Gabrielle

    2011-01-01T23:59:59.000Z

    Community acceptance of carbon capture and sequestrationand realities of carbon capture and storage; www.eenews.net/Howard. What Future for Carbon Capture and Sequestration?

  16. Perspectives on Carbon Capture and Sequestration in the United States

    E-Print Network [OSTI]

    Wong-Parodi, Gabrielle

    2011-01-01T23:59:59.000Z

    Carbon capture and sequestration technology A.4 Carbon capture and sequestration technology Today,as ‘carbon capture and storage’ technologies (Steinberg

  17. Carbon Capture and Storage, 2008

    ScienceCinema (OSTI)

    None

    2010-01-08T23:59:59.000Z

    The U.S. Department of Energy is researching the safe implementation of a technology called carbon sequestration, also known as carbon capture and storage, or CCS. Based on an oilfield practice, this approach stores carbon dioxide, or CO2 generated from human activities for millennia as a means to mitigate global climate change. In 2003, the Department of Energys National Energy Technology Laboratory formed seven Regional Carbon Sequestration Partnerships to assess geologic formations suitable for storage and to determine the best approaches to implement carbon sequestration in each region. This video describes the work of these partnerships.

  18. Carbon Capture and Storage, 2008

    SciTech Connect (OSTI)

    2009-03-19T23:59:59.000Z

    The U.S. Department of Energy is researching the safe implementation of a technology called carbon sequestration, also known as carbon capture and storage, or CCS. Based on an oilfield practice, this approach stores carbon dioxide, or CO2 generated from human activities for millennia as a means to mitigate global climate change. In 2003, the Department of Energys National Energy Technology Laboratory formed seven Regional Carbon Sequestration Partnerships to assess geologic formations suitable for storage and to determine the best approaches to implement carbon sequestration in each region. This video describes the work of these partnerships.

  19. Carbon Capture Research and Development

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office511041clothAdvanced Materials Advanced. C o w l i t z C o . C l a r8.05CarBen Version 3Capture

  20. Capture of Irregular Satellites at Jupiter

    E-Print Network [OSTI]

    Nesvorny, D; Deienno, R

    2014-01-01T23:59:59.000Z

    The irregular satellites of outer planets are thought to have been captured from heliocentric orbits. The exact nature of the capture process, however, remains uncertain. We examine the possibility that irregular satellites were captured from the planetesimal disk during the early Solar System instability when encounters between the outer planets occurred (Nesvorny, Vokrouhlicky & Morbidelli 2007, AJ 133; hereafter NVM07). NVM07 already showed that the irregular satellites of Saturn, Uranus and Neptune were plausibly captured during planetary encounters. Here we find that the current instability models present favorable conditions for capture of irregular satellites at Jupiter as well, mainly because Jupiter undergoes a phase of close encounters with an ice giant. We show that the orbital distribution of bodies captured during planetary encounters provides a good match to the observed distribution of irregular satellites at Jupiter. The capture efficiency for each particle in the original transplanetary d...

  1. UK CARBON CAPTURE AND STORAGE, WHERE IS IT ? Stuart Haszeldine

    E-Print Network [OSTI]

    Haszeldine, Stuart

    437 UK CARBON CAPTURE AND STORAGE, WHERE IS IT ? Stuart Haszeldine Professor of Carbon Capture.haszeldine@ed.ac.uk SUMMARY Carbon capture and storage, to capture CO2 from power plants and big industry, remains much

  2. Workshop on neutron capture therapy

    SciTech Connect (OSTI)

    Fairchild, R.G.; Bond, V.P. (eds.)

    1986-01-01T23:59:59.000Z

    Potentially optimal conditions for Neutron Capture Therapy (NCT) may soon be in hand due to the anticipated development of band-pass filtered beams relatively free of fast neutron contaminations, and of broadly applicable biomolecules for boron transport such as porphyrins and monoclonal antibodies. Consequently, a number of groups in the US are now devoting their efforts to exploring NCT for clinical application. The purpose of this Workshop was to bring these groups together to exchange views on significant problems of mutual interest, and to assure a unified and effective approach to the solutions. Several areas of preclinical investigation were deemed to be necessary before it would be possible to initiate clinical studies. As neither the monomer nor the dimer of sulfhydryl boron hydride is unequivocally preferable at this time, studies on both compounds should be continued until one is proven superior.

  3. Bad data packet capture device

    DOE Patents [OSTI]

    Chen, Dong; Gara, Alan; Heidelberger, Philip; Vranas, Pavlos

    2010-04-20T23:59:59.000Z

    An apparatus and method for capturing data packets for analysis on a network computing system includes a sending node and a receiving node connected by a bi-directional communication link. The sending node sends a data transmission to the receiving node on the bi-directional communication link, and the receiving node receives the data transmission and verifies the data transmission to determine valid data and invalid data and verify retransmissions of invalid data as corresponding valid data. A memory device communicates with the receiving node for storing the invalid data and the corresponding valid data. A computing node communicates with the memory device and receives and performs an analysis of the invalid data and the corresponding valid data received from the memory device.

  4. Subsurface capture of carbon dioxide

    DOE Patents [OSTI]

    Blount, Gerald; Siddal, Alvin A.; Falta, Ronald W.

    2014-07-22T23:59:59.000Z

    A process and apparatus of separating CO.sub.2 gas from industrial off-gas source in which the CO.sub.2 containing off-gas is introduced deep within an injection well. The CO.sub.2 gases are dissolved in the, liquid within the injection well while non-CO.sub.2 gases, typically being insoluble in water or brine, are returned to the surface. Once the CO.sub.2 saturated liquid is present within the injection well, the injection well may be used for long-term geologic storage of CO.sub.2 or the CO.sub.2 saturated liquid can be returned to the surface for capturing a purified CO.sub.2 gas.

  5. Theory in evaluation of actinide fission and capture cross sections.

    SciTech Connect (OSTI)

    Lynn, J. E. (J. Eric)

    2004-01-01T23:59:59.000Z

    The authors discuss the possibilities and limitations of the use of theory as a tool in the evaluation of actinide fission and capture cross-sections. They consider especially the target {sup 235}U as an example. They emphasize the roles of intermediate structure in the fission cross-section and of level width fluctuations in both intermediate structure and fine structure, noting that these lead to a breakdown of Hauser-Feshbach theory at sub-barrier and near barrier energies. At higher energies (where fluctuation-averaged Hauser-Feshbach theory is applicable) semi-quantitative and intuitive representations of transition state spectra and barrier level density functions have to be tested against experimental data wherever these are available. Adjustment of the fission cross-section against inelastic scattering to the much better known levels of the residual nucleus should then lead to a fairly sound estimate of the capture cross-section. They compare such estimates with evaluated and experimental data for {sup 235}U.

  6. Graph dynamics : learning and representation

    E-Print Network [OSTI]

    Ribeiro, Andre Figueiredo

    2006-01-01T23:59:59.000Z

    Graphs are often used in artificial intelligence as means for symbolic knowledge representation. A graph is nothing more than a collection of symbols connected to each other in some fashion. For example, in computer vision ...

  7. Urban Atmospheres captures a unique, synergistic moment

    E-Print Network [OSTI]

    Paulos, Eric

    Urban Atmospheres captures a unique, synergistic moment ­ expanding urban populations, rapid EDITORS Eric Paulos Intel Research eric@paulos.net Tom Jenkins Royal College of Art thomas

  8. Capturing Latino Students in the Academic Pipeline

    E-Print Network [OSTI]

    Gándara, Patricia; Larson, Katherine; Mehan, Hugh; Rumberger, Russell

    1998-01-01T23:59:59.000Z

    The Latino Educational Pipeline Why Latino Students are atSTUDENTS IN THE ACADEMIC PIPELINE CAPTURING LATINO STUDENTSIN THE ACADEMIC PIPELINE Patricia Gcindara, Editor Katherine

  9. Sandia National Laboratories: carbon capture and storage

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

    carbon capture and storage ECIS-I2CNER: Hydrogen Infrastructure Research Aids Energy Independence Goal On February 14, 2013, in CRF, Energy, Livermore Valley Open Campus (LVOC),...

  10. Radiative proton capture on $^6$He

    E-Print Network [OSTI]

    E. Sauvan; F. M. Marqués; H. W. Wilschut; N. A. Orr

    2001-02-20T23:59:59.000Z

    Radiative capture of protons is investigated as a probe of clustering in nuclei far from stability. The first such measurement on a halo nucleus is reported here for the reaction $^6$He(p,$\\gamma$) at 40 MeV. Capture into $^7$Li is observed as the strongest channel. In addition, events have been recorded that may be described by quasi-free capture on a halo neutron, the $\\alpha$ core and $^5$He. The possibility of describing such events by capture into the continuum of $^7$Li is also discussed.

  11. Financing Capture Ready Coal-Fired Power Plants in China by Issuing Capture Options

    E-Print Network [OSTI]

    Liang, Xi; Reiner, David; Gibbons, Jon; Li, Jia

    investors diversify risk, and offer global warming investors an alternative investment opportunity. As a detailed case study, we assess the value of a Capture Option and Capture Ready plant for a 600 MW supercritical pulverized coal power plant in China...

  12. Quantum Field Theory and Representation Theory

    E-Print Network [OSTI]

    Woit, Peter

    Quantum Field Theory and Representation Theory Peter Woit woit@math.columbia.edu Department of Mathematics Columbia University Quantum Field Theory and Representation Theory ­ p.1 #12;Outline of the talk · Quantum Mechanics and Representation Theory: Some History Quantum Field Theory and Representation Theory

  13. March 2005 Number 238 CARBON CAPTURE AND

    E-Print Network [OSTI]

    Mather, Tamsin A.

    March 2005 Number 238 CARBON CAPTURE AND STORAGE (CCS) As part of the government's global strategy. This POSTnote discusses the potential of carbon capture and storage (CCS), a method of carbon sequestration2 and will be included in the forthcoming Department of Trade and Industry (DTI) Carbon Abatement Technology Strategy

  14. Microfluidic Platforms for Capturing Circulating Tumor Cells

    E-Print Network [OSTI]

    Tang, William C

    Microfluidic Platforms for Capturing Circulating Tumor Cells Sweta Gupta, Allison C. Baker-cost microfluidic device that can be used to isolate and capture circulating tumor cells (CTCs) from whole blood. The device was made from polydimethylsiloxane (PDMS) consisting of a microfluidic channel with microposts

  15. Feasibility of Air Capture Manya Ranjan

    E-Print Network [OSTI]

    . This shows that the cost of this technology is probably prohibitive. The difficulty of air capture stems from change mitigation options. Such high costs make relying on this technology for mitigating carbonFeasibility of Air Capture by Manya Ranjan Bachelor of Technology, Chemical Engineering Indian

  16. Pion capture and transport system for PRISM

    E-Print Network [OSTI]

    McDonald, Kirk

    solenoid cold mass Transport pions+muons in long 2T solenoid channelPion capture and transport system for PRISM M. Yoshida Osaka Univ. 2005/8/28 NuFACT06 at UCI #12 and transport system proton beam Phase rotator PRIME detector #12;Concepts of pion capture/transport system

  17. Carbon Dioxide Capture DOI: 10.1002/anie.201000431

    E-Print Network [OSTI]

    ] Carbon capture and storage (CCS) schemes embody a group of technologies for the capture of CO2 from powerCarbon Dioxide Capture DOI: 10.1002/anie.201000431 Carbon Dioxide Capture: Prospects for New- and gas-fired power plants.[3­5] Such conven- tional technologies for large-scale capture have been com

  18. Retrofitting CO{sub 2} capture

    SciTech Connect (OSTI)

    Weisel, J.

    2009-07-01T23:59:59.000Z

    Retrofitting existing fossil-fueled plants with the first available carbon dioxide capture technologies could play an important role in paving the way for development of lower-cost, reliable carbon capture and storage systems. EPRI research is helping utilities better understand the engineering challenges and economic consequences. Studies are being conducted on retrofitting five different plants with advanced amine PCC technologies. Other studies include: process optimization studies; valuing operating flexibility; CO{sub 2} capture for CTCC plants; and assessing the impact of climate policy on retrofitting investment.

  19. Binary Capture Rates for Massive Protostars

    E-Print Network [OSTI]

    Nickolas Moeckel; John Bally

    2007-04-09T23:59:59.000Z

    The high multiplicity of massive stars in dense, young clusters is established early in their evolution. The mechanism behind this remains unresolved. Recent results suggest that massive protostars may capture companions through disk interactions with much higher efficiency than their solar mass counterparts. However, this conclusion is based on analytic determinations of capture rates and estimates of the robustness of the resulting binaries. We present the results of coupled n-body and SPH simulations of star-disk encounters to further test the idea that disk-captured binaries contribute to the observed multiplicity of massive stars.

  20. Representation of noncommutative phase space

    E-Print Network [OSTI]

    Kang Li; Jianhua Wang; Chiyi Chen

    2005-08-16T23:59:59.000Z

    The representations of the algebra of coordinates and momenta of noncommutative phase space are given. We study, as an example, the harmonic oscillator in noncommutative space of any dimension. Finally the map of Sch$\\ddot{o}$dinger equation from noncommutative space to commutative space is obtained.

  1. Regulating carbon dioxide capture and storage

    E-Print Network [OSTI]

    De Figueiredo, Mark A.

    2007-01-01T23:59:59.000Z

    This essay examines several legal, regulatory and organizational issues that need to be addressed to create an effective regulatory regime for carbon dioxide capture and storage ("CCS"). Legal, regulatory, and organizational ...

  2. Computer simulation of neutron capture therapy.

    E-Print Network [OSTI]

    Olson, Arne Peter

    1967-01-01T23:59:59.000Z

    Analytical methods are developed to simulate on a large digital computer the production and use of reactor neutron beams f or boron capture therapy of brain tumors. The simulation accounts for radiation dose distributions ...

  3. Computer simulation of neutron capture therapy

    E-Print Network [OSTI]

    Olson, Arne Peter

    1967-01-01T23:59:59.000Z

    Analytical methods are developed to simulate on a large digital computer the production and use of reactor neutron beams f or boron capture therapy of brain tumors. The simulation accounts for radiation dose distributions ...

  4. co2 capture | netl.doe.gov

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

    CO2 Capture Technology Meeting Dates: June 23-26, 2015 Registration Fee: 360.00 Venue: 300 West Station Square Drive Pittsburgh, PA 15219-1122 Phone: (412)261-2000...

  5. Electrochemically mediated separation for carbon capture

    E-Print Network [OSTI]

    Simeon, Fritz

    Carbon capture technology has been proposed as an effective approach for the mitigation of anthropogenic CO[subscript 2] emissions. Thermal-swing separation technologies based on wet chemical scrubbing show potential for ...

  6. An update of muon capture on hydrogen

    E-Print Network [OSTI]

    S. Pastore; F. Myhrer; K. Kubodera

    2014-05-06T23:59:59.000Z

    The successful precision measurement of the rate of muon capture on a proton by the MuCap Collaboration allows for a stringent test of the current theoretical understanding of this process. Chiral perturbation theory, which is a low-energy effective field theory that preserves the symmetries and the pattern of symmetry breaking in the underlying theory of QCD, offers a systematic framework for describing $\\mu p$ capture and provides a basic test of QCD at the hadronic level. We describe how this effective theory with no free parameters reproduces the measured capture rate. A recent study has addressed new sources of uncertainties that were not considered in the previous works, and we review to what extent these uncertainties are now under control. Finally, the rationale for studying muon capture on the deuteron and some recent theoretical developments regarding this process are discussed.

  7. Economic assessment of CO? capture and disposal

    E-Print Network [OSTI]

    Eckaus, Richard S.; Jacoby, Henry D.; Ellerman, A. Denny.; Leung, Wing-Chi.; Yang, Zili.

    A multi-sector multi-region general equilibrium model of economic growth and emissions is used to explore the conditions that will determine the market penetration of CO2 capture and disposal technology.

  8. Capturing Chemistry in XML/CML

    E-Print Network [OSTI]

    Townsend, Joseph A; Adams, Sam; Goodman, Jonathan M; Murray-Rust, Peter; Waudby, Chris A

    Chemical Markup Language (CML) is an XML-conformant Schema that describes molecules, spectra, reactions, and computational chemistry. It is capable of capturing the chemistry in a variety of current publications and is becoming adopted by many...

  9. Determination of thermal neutron capture gamma yields.

    E-Print Network [OSTI]

    Harper, Thomas Lawrence

    1969-01-01T23:59:59.000Z

    A method of analysing Ge(Li) thermal neutron capture gamma spectra to obtain total gamma yields has been developed. Tie method determines both the yields from the well resolved gamma peaks in a spectrum as well as the gamma ...

  10. Determination of thermal neutron capture gamma yields

    E-Print Network [OSTI]

    Harper, Thomas Lawrence

    1969-01-01T23:59:59.000Z

    A method of analysing Ge(Li) thermal neutron capture gamma spectra to obtain total gamma yields has been developed. Tie method determines both the yields from the well resolved gamma peaks in a spectrum as well as the gamma ...

  11. Annual Report: Carbon Capture Simulation Initiative (CCSI) (30 September 2012)

    SciTech Connect (OSTI)

    Miller, David C; Syamlal, Madhava; Cottrell, Roger; Kress, Joel D; Sun, Xin; Sundaresan, S; Sahinidis, Nikolaos V; Zitney, Stephen E; Bhattacharyya, D; Agarwal, Deb; Tong, Charles; Lin, Guang; Dale, Crystal; Engel, Dave; Calafiura, Paolo; Beattie, Keith

    2012-09-30T23:59:59.000Z

    The Carbon Capture Simulation Initiative (CCSI) is a partnership among national laboratories, industry and academic institutions that is developing and deploying state-of-the-art computational modeling and simulation tools to accelerate the commercialization of carbon capture technologies from discovery to development, demonstration, and ultimately the widespread deployment to hundreds of power plants. The CCSI Toolset will provide end users in industry with a comprehensive, integrated suite of scientifically validated models, with uncertainty quantification (UQ), optimization, risk analysis and decision making capabilities. The CCSI Toolset incorporates commercial and open-source software currently in use by industry and is also developing new software tools as necessary to fill technology gaps identified during execution of the project. Ultimately, the CCSI Toolset will (1) enable promising concepts to be more quickly identified through rapid computational screening of devices and processes; (2) reduce the time to design and troubleshoot new devices and processes; (3) quantify the technical risk in taking technology from laboratory-scale to commercial-scale; and (4) stabilize deployment costs more quickly by replacing some of the physical operational tests with virtual power plant simulations. CCSI is organized into 8 technical elements that fall under two focus areas. The first focus area (Physicochemical Models and Data) addresses the steps necessary to model and simulate the various technologies and processes needed to bring a new Carbon Capture and Storage (CCS) technology into production. The second focus area (Analysis & Software) is developing the software infrastructure to integrate the various components and implement the tools that are needed to make quantifiable decisions regarding the viability of new CCS technologies. CCSI also has an Industry Advisory Board (IAB). By working closely with industry from the inception of the project to identify industrial challenge problems, CCSI ensures that the simulation tools are developed for the carbon capture technologies of most relevance to industry. CCSI is led by the National Energy Technology Laboratory (NETL) and leverages the Department of Energy (DOE) national laboratories? core strengths in modeling and simulation, bringing together the best capabilities at NETL, Los Alamos National Laboratory (LANL), Lawrence Berkeley National Laboratory (LBNL), Lawrence Livermore National Laboratory (LLNL), and Pacific Northwest National Laboratory (PNNL). The CCSI?s industrial partners provide representation from the power generation industry, equipment manufacturers, technology providers and engineering and construction firms. The CCSI?s academic participants (Carnegie Mellon University, Princeton University, West Virginia University, and Boston University) bring unparalleled expertise in multiphase flow reactors, combustion, process synthesis and optimization, planning and scheduling, and process control techniques for energy processes. During Fiscal Year (FY) 12, CCSI released its first set of computational tools and models. This pre-release, a year ahead of the originally planned first release, is the result of intense industry interest in getting early access to the tools and the phenomenal progress of the CCSI technical team. These initial components of the CCSI Toolset provide new models and computational capabilities that will accelerate the commercial development of carbon capture technologies as well as related technologies, such as those found in the power, refining, chemicals, and gas production industries. The release consists of new tools for process synthesis and optimization to help identify promising concepts more quickly, new physics-based models of potential capture equipment and processes that will reduce the time to design and troubleshoot new systems, a framework to quantify the uncertainty of model predictions, and various enabling tools that provide new capabilities such as creating reduced order models (ROMs) from reacting multiphase flow

  12. Water Challenges for Geologic Carbon Capture and Sequestration

    E-Print Network [OSTI]

    Newmark, Robin L.; Friedmann, Samuel J.; Carroll, Susan A.

    2010-01-01T23:59:59.000Z

    for solvent-based carbon capture technologies is largely duecarbon capture and sequestration. Environmental Science and Technologycarbon capture (DOE-NETL 2007c) using the cost and performance impacts associated with CCS technologies

  13. Pion-capture probabilities in organic molecules

    SciTech Connect (OSTI)

    Jackson, D.F.; Lewis, C.A.; O'Leary, K.

    1982-06-01T23:59:59.000Z

    Experimental results are presented for atomic-capture probabilities of negative pions in organic molecules. The data are analyzed in terms of atomic and molecular models. This analysis shows that the Fermi-Teller law (Z law) and its modifications do not give an adequate description of the data, but that a mesomolecular model together with hydrogen transfer contains the features essential to fit the data. Clear evidence is given for chemical effects in the pion-capture process.

  14. Representation of Limited Rights Data and Restricted Computer...

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

    Representation of Limited Rights Data and Restricted Computer Software Representation of Limited Rights Data and Restricted Computer Software Representation of Limited Rights Data...

  15. Using Enhanced Spherical Images for Object Representation

    E-Print Network [OSTI]

    Smith, David A.

    1979-05-01T23:59:59.000Z

    The processes involved in vision, manipulation, and spatial reasoning depend greatly on the particular representation of three-dimensional objects used. A novel representation, based on concepts of differential geometry, ...

  16. Advanced Post-Combustion CO2 Capture Prepared for the

    E-Print Network [OSTI]

    Advanced Post-Combustion CO2 Capture Prepared for the Clean Air Task Force under a grant from...................................................................................... 3 2. Current Status of Post-Combustion Capture

  17. World's Largest Post-Combustion Carbon Capture Project Begins...

    Office of Environmental Management (EM)

    World's Largest Post-Combustion Carbon Capture Project Begins Construction World's Largest Post-Combustion Carbon Capture Project Begins Construction July 15, 2014 - 9:55am Addthis...

  18. Carbon Capture, Transport and Storage Regulatory Test Exercise...

    Open Energy Info (EERE)

    Carbon Capture, Transport and Storage Regulatory Test Exercise: Output Report Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Carbon Capture, Transport and Storage...

  19. Water Challenges for Geologic Carbon Capture and Sequestration

    E-Print Network [OSTI]

    Newmark, Robin L.; Friedmann, Samuel J.; Carroll, Susan A.

    2010-01-01T23:59:59.000Z

    and HB 90:Carbon capture and sequestration, http://legisweb.conference on carbon capture and sequestration, Pittsburgh,The DOE’s Regional Carbon Sequestration Partnerships are

  20. CO2 Capture and Storage Project, Education and Training Center...

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

    Industrial Carbon Capture and Storage (ICCS) Project is one of the nation's largest carbon capture and storage endeavors. Part of the project includes the National...

  1. EFRC Carbon Capture and Sequestration Activities at NERSC

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

    EFRC Carbon Capture and Sequestration Activities at NERSC EFRC Carbon Capture and Sequestration Activities at NERSC Why it Matters: Carbon dioxide (CO2) gas is considered to be...

  2. Energy Department Invests to Drive Down Costs of Carbon Capture...

    Energy Savers [EERE]

    Invests to Drive Down Costs of Carbon Capture, Support Reductions in Greenhouse Gas Pollution Energy Department Invests to Drive Down Costs of Carbon Capture, Support Reductions...

  3. NETL emphasizes CO{sub 2} capture from existing plants

    SciTech Connect (OSTI)

    NONE

    2008-04-01T23:59:59.000Z

    This paper gives brief description of several carbon dioxide capture projects that were directed toward a broader range of capture technologies.

  4. carbon capture rd index | netl.doe.gov

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

    Capture Publications Patents Awards Partnering With Us About Us Contacts Staff Search Fact Sheet Research Team Members Key Contacts Carbon Capture Research & Development Carbon...

  5. Strategies for demonstration and early deployment of carbon capture and storage : a technical and economic assessment of capture percentage

    E-Print Network [OSTI]

    Hildebrand, Ashleigh Nicole

    2009-01-01T23:59:59.000Z

    Carbon capture and storage (CCS) is a critical technology for reducing greenhouse gas emissions from electricity production by coal-fired power plants. However, full capture (capture of nominally 90% of emissions) has ...

  6. Quantum Mechanics and Representation Theory Columbia University

    E-Print Network [OSTI]

    Woit, Peter

    Quantum Mechanics and Representation Theory Peter Woit Columbia University Texas Tech, November 21 2013 Peter Woit (Columbia University) Quantum Mechanics and Representation Theory November 2013 1 / 30, 1967 Peter Woit (Columbia University) Quantum Mechanics and Representation Theory November 2013 2 / 30

  7. Context Representation for Web Search Results

    E-Print Network [OSTI]

    Baeza-Yates, Ricardo

    Context Representation for Web Search Results Jesús Vegas Department of Computer Science U. Valladolid Context Representation for Web Search Results 2 Outline Intro Web search results in the web site and Future work #12;Context Representation for Web Search Results 3 Introduction Searching the web is one

  8. IAI : Knowledge Representation John A. Bullinaria, 2005

    E-Print Network [OSTI]

    Bullinaria, John

    is a Knowledge Representation? 3. Requirements of a Knowledge Representation 4. Practical Aspects of Good5-5 Practical Aspects of Good Representations In practice, the theoretical requirements for good Dictionary provides as good a definition as any: knowledge, nolij, n. assured belief; that which is known

  9. Temporal Representation in Semantic Graphs

    SciTech Connect (OSTI)

    Levandoski, J J; Abdulla, G M

    2007-08-07T23:59:59.000Z

    A wide range of knowledge discovery and analysis applications, ranging from business to biological, make use of semantic graphs when modeling relationships and concepts. Most of the semantic graphs used in these applications are assumed to be static pieces of information, meaning temporal evolution of concepts and relationships are not taken into account. Guided by the need for more advanced semantic graph queries involving temporal concepts, this paper surveys the existing work involving temporal representations in semantic graphs.

  10. EVOLUTION OF PROGENITORS FOR ELECTRON CAPTURE SUPERNOVAE

    SciTech Connect (OSTI)

    Takahashi, Koh; Umeda, Hideyuki [Department of Astronomy, University of Tokyo, Tokyo 113-0033 (Japan); Yoshida, Takashi, E-mail: ktakahashi@astron.s.u-tokyo.ac.jp, E-mail: umeda@astron.s.u-tokyo.ac.jp, E-mail: yoshida@yukawa.kyoto-u.ac.jp [Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502 (Japan)

    2013-07-01T23:59:59.000Z

    We provide progenitor models for electron capture supernovae (ECSNe) with detailed evolutionary calculation. We include minor electron capture nuclei using a large nuclear reaction network with updated reaction rates. For electron capture, the Coulomb correction of rates is treated and the contribution from neutron-rich isotopes is taken into account in each nuclear statistical equilibrium (NSE) composition. We calculate the evolution of the most massive super asymptotic giant branch stars and show that these stars undergo off-center carbon burning and form ONe cores at the center. These cores become heavier up to the critical mass of 1.367 M{sub Sun} and keep contracting even after the initiation of O+Ne deflagration. Inclusion of minor electron capture nuclei causes convective URCA cooling during the contraction phase, but the effect on the progenitor evolution is small. On the other hand, electron capture by neutron-rich isotopes in the NSE region has a more significant effect. We discuss the uniqueness of the critical core mass for ECSNe and the effect of wind mass loss on the plausibility of our models for ECSN progenitors.

  11. The Status of COThe Status of CO22 CaptureCapture and Storage Technologyand Storage Technology

    E-Print Network [OSTI]

    ) - Post-combustion - Pre-combustion - Oxyfuel combustion - Pipeline - Tanker - Depleted oil/gas fields for CCSLeading Candidates for CCS · Fossil fuel power plants Pulverized coal combustion (PC) Natural gas: PrePre--Combustion CaptureCombustion Capture Electricity Shift Reactor Sulfur Removal Combined Cycle

  12. Financing Capture Ready Coal-Fired Power Plants in China by Issuing Capture Options

    E-Print Network [OSTI]

    Aickelin, Uwe

    Financing Capture Ready Coal-Fired Power Plants in China by Issuing Capture Options Xi Liang, Jia supercritical pulverized coal power plant in China, using a cash flow model with Monte-Carlo simulations Defense Council) O&M (Operating & Maintenance) PC Power Plant (Pulverized Coal Fired Power Plant) ROA

  13. Muon capture rates within the projected QRPA

    E-Print Network [OSTI]

    Danilo Sande Santos; Arturo R. Samana; Francisco Krmpoti?; Alejandro J. Dimarco

    2012-03-03T23:59:59.000Z

    The conservation of the number of particles within the QRPA plays an important role in the evaluation muon capture rates in all light nuclei with A \\precsim 30 . The violation of the CVC by the Coulomb field in this mass region is of minor importance, but this effect could be quite relevant for medium and heavy nuclei studied previously. The extreme sensitivity of the muon capture rates on the 'pp' coupling strength in nuclei with large neutron excess when described within the QRPA is pointed out. We reckon that the comparison between theory and data for the inclusive muon capture is not a fully satisfactory test on the nuclear model that is used. The exclusive muon transitions are much more robust for such a purpose.

  14. Relativistic QRPA calculation of muon capture rates

    E-Print Network [OSTI]

    T. Marketin; N. Paar; T. Niksic; D. Vretenar

    2009-03-30T23:59:59.000Z

    The relativistic proton-neutron quasiparticle random phase approximation (PN-RQRPA) is applied in the calculation of total muon capture rates on a large set of nuclei from $^{12}$C to $^{244}$Pu, for which experimental values are available. The microscopic theoretical framework is based on the Relativistic Hartree-Bogoliubov (RHB) model for the nuclear ground state, and transitions to excited states are calculated using the PN-RQRPA. The calculation is fully consistent, i.e., the same interactions are used both in the RHB equations that determine the quasiparticle basis, and in the matrix equations of the PN-RQRPA. The calculated capture rates are sensitive to the in-medium quenching of the axial-vector coupling constant. By reducing this constant from its free-nucleon value $g_A = 1.262$ by 10% for all multipole transitions, the calculation reproduces the experimental muon capture rates to better than 10% accuracy.

  15. Thermal Neutron Capture y's (CapGam)

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

    The National Nuclear Data Center (NNDC) presents two tables showing energy and photon intensity with uncertainties of gamma rays as seen in thermal-neutron capture.  One table is organized in ascending order of gamma energy, and the second is organized by Z, A of the target. In the energy-ordered table the three strongest transitions are indicated in each case. The nuclide given is the target nucleus in the capture reaction. The gamma energies given are in keV. The gamma intensities given are relative to 100 for the strongest transition. %I? (per 100 n-captures) for the strongest transition is given, where known. All data are taken from the Evaluated Nuclear Structure Data File (ENSDF), a computer file of evaluated nuclear structure data and from the eXperimental Unevaluated Nuclear Data List (XUNDL). (Specialized Interface)

  16. Thermal-neutron capture in light nuclei

    SciTech Connect (OSTI)

    Raman, S. [Oak Ridge National Lab., TN (United States); Jurney, E.T.; Lynn, J.E. [Los Alamos National Lab., NM (United States)

    1996-10-01T23:59:59.000Z

    We have made considerable progress toward the goal of carrying out thermal-neutron capture {gamma}-ray measurements on all stable isotopes below A=60. Information processed till now has significantly augmented the existing knowledge on the detailed nuclear level structure of many light nuclides. Most of this knowledge comes from our {gamma}-ray energies, level placements, and branching ratios of secondary transitions between low-lying states. Spectroscopic information is also contained in the cross sections of the primary transitions originating from the capturing state. This is deduced from the success of ``direct`` theories of neutron capture for many nuclides, especially those of light and near closed-shell character. 23 refs, 1 tab, 3 figs.

  17. Carbon Dioxide Capture DOI: 10.1002/anie.200902836

    E-Print Network [OSTI]

    Paik Suh, Myunghyun

    Carbon Dioxide Capture DOI: 10.1002/anie.200902836 Highly Selective CO2 Capture in Flexible 3D Coordination Polymer Networks** Hye-Sun Choi and Myunghyun Paik Suh* Carbon dioxide capture has been warming, and the development of efficient methods for capturing CO2 from industrial flue gas has become

  18. Sandia Energy - Carbon Capture & Storage

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Scienceand RequirementsCoatings Initiated at PNNL's Sequim BayCapture Home Carbon Capture

  19. Incremental learning for automated knowledge capture.

    SciTech Connect (OSTI)

    Benz, Zachary O.; Basilico, Justin Derrick; Davis, Warren Leon,; Dixon, Kevin R.; Jones, Brian S.; Martin, Nathaniel; Wendt, Jeremy Daniel

    2013-12-01T23:59:59.000Z

    People responding to high-consequence national-security situations need tools to help them make the right decision quickly. The dynamic, time-critical, and ever-changing nature of these situations, especially those involving an adversary, require models of decision support that can dynamically react as a situation unfolds and changes. Automated knowledge capture is a key part of creating individualized models of decision making in many situations because it has been demonstrated as a very robust way to populate computational models of cognition. However, existing automated knowledge capture techniques only populate a knowledge model with data prior to its use, after which the knowledge model is static and unchanging. In contrast, humans, including our national-security adversaries, continually learn, adapt, and create new knowledge as they make decisions and witness their effect. This artificial dichotomy between creation and use exists because the majority of automated knowledge capture techniques are based on traditional batch machine-learning and statistical algorithms. These algorithms are primarily designed to optimize the accuracy of their predictions and only secondarily, if at all, concerned with issues such as speed, memory use, or ability to be incrementally updated. Thus, when new data arrives, batch algorithms used for automated knowledge capture currently require significant recomputation, frequently from scratch, which makes them ill suited for use in dynamic, timecritical, high-consequence decision making environments. In this work we seek to explore and expand upon the capabilities of dynamic, incremental models that can adapt to an ever-changing feature space.

  20. Helmholtz Capture Solenoid Update Peter Loveridge

    E-Print Network [OSTI]

    McDonald, Kirk

    mechanical design with lateral target entry/exit slots · Start with min slot size 20 mm x 200 mm, -an design for a capture solenoid with lateral target entry/exit slots (200 mm x 20 mm) ­ Includes a basic

  1. Carbon Dioxide Capture from Coal-Fired

    E-Print Network [OSTI]

    Carbon Dioxide Capture from Coal-Fired Power Plants: A Real Options Analysis May 2005 MIT LFEE 2005. LFEE 2005-002 Report #12;#12;i ABSTRACT Investments in three coal-fired power generation technologies environment. The technologies evaluated are pulverized coal (PC), integrated coal gasification combined cycle

  2. Porphyrins for boron neutron capture therapy

    DOE Patents [OSTI]

    Miura, Michiko (Center Moriches, NY); Gabel, Detlef (Bremen, DE)

    1990-01-01T23:59:59.000Z

    Novel compounds for treatment of brain tumors in Boron Neutron Capture Therapy are disclosed. A method for preparing the compounds as well as pharmaceutical compositions containing said compounds are also disclosed. The compounds are water soluble, non-toxic and non-labile boronated porphyrins which show significant uptake and retention in tumors.

  3. Technologies for Carbon Capture and Storage

    E-Print Network [OSTI]

    Hydrogen Program · FutureGen · Carbon Sequestration Leadership Forum (CSLF) #12;24-Jun-03 Slide 3 OfficeFutureGen Technologies for Carbon Capture and Storage and Hydrogen and Electricity Production-to-hydrogen costs must be lowered and affordable methods developed to sequester the "left behind" carbon #12;24-Jun

  4. Annual Report: Carbon Capture (30 September 2012)

    SciTech Connect (OSTI)

    Luebke, David; Morreale, Bryan; Richards, George; Syamlal, Madhava

    2014-04-16T23:59:59.000Z

    Capture of carbon dioxide (CO{sub 2}) is a critical component in reducing greenhouse gas emissions from fossil fuel-based processes. The Carbon Capture research to be performed is aimed at accelerating the development of efficient, cost-effective technologies which meet the post-combustion programmatic goal of capture of 90% of the CO{sub 2} produced from an existing coal-fired power plant with less than a 35% increase in the cost of electricity (COE), and the pre-combustion goal of 90% CO{sub 2} capture with less than a 10% increase in COE. The specific objective of this work is to develop innovative materials and approaches for the economic and efficient capture of CO{sub 2} from coal-based processes, and ultimately assess the performance of promising technologies at conditions representative of field application (i.e., slip stream evaluation). The Carbon Capture research includes seven core technical research areas: post-combustion solvents, sorbents, and membranes; pre-combustion solvents, sorbents, and membranes; and oxygen (O{sub 2}) production. The goal of each of these tasks is to develop advanced materials and processes that are able to reduce the energy penalty and cost of CO{sub 2} (or O{sub 2}) separation over conventional technologies. In the first year of development, materials will be examined by molecular modeling, and then synthesized and experimentally characterized at lab scale. In the second year, they will be tested further under ideal conditions. In the third year, they will be tested under realistic conditions. The most promising materials will be tested at the National Carbon Capture Center (NCCC) using actual flue or fuel gas. Systems analyses will be used to determine whether or not materials developed are likely to meet the Department of Energy (DOE) COE targets. Materials which perform well and appear likely to improve in performance will be licensed for further development outside of the National Energy Technology Laboratory (NETL), Office of Research and Development (ORD).

  5. ON AUTOMORPHY OF CERTAIN GALOIS REPRESENTATIONS OF ...

    E-Print Network [OSTI]

    2015-02-09T23:59:59.000Z

    22. 1991 Mathematics Subject Classification. Primary 14F30,14L05. Key words and phrases. Galois representations, automorphy. This materials is based upon ...

  6. Knowledge and Skill Representations for Robotized Production

    E-Print Network [OSTI]

    Malec, Jacek

    : Model-based control, Knowledge representation, System architectures, Autonomous control, Industrial robots 1. INTRODUCTION Model-based systems in control are a means to utilize effi- ciently human

  7. Gendering Representation: Parties, Institutions, and the Under-Representation Of Women In Brazil's State Legislatures

    E-Print Network [OSTI]

    dos Santos, Pedro G.

    2012-12-31T23:59:59.000Z

    This dissertation provides insights on what influences women's descriptive representation in state legislatures in Brazil. The study of female representation in Brazil provides for a good case study as the country uses a gender quota system...

  8. Liberal political equality implies proportional representation

    E-Print Network [OSTI]

    Hout, Eliora; McGann, Anthony J.

    2009-01-01T23:59:59.000Z

    rule, Young (1974) and Saari (2003) on the Borda Count andlaw. Ethics 91(3):395–430 Saari D (2003) Capturing the ‘Will

  9. Neutron Resonance Parameters of 55Mn from Reich-Moore Analysis of Recent Experimental Neutron Transmission and Capture Cross Sections

    SciTech Connect (OSTI)

    Derrien, Herve [ORNL] [ORNL; Leal, Luiz C [ORNL] [ORNL; Larson, Nancy M [ORNL] [ORNL; Guber, Klaus H [ORNL] [ORNL; Wiarda, Dorothea [ORNL] [ORNL; Arbanas, Goran [ORNL] [ORNL

    2008-01-01T23:59:59.000Z

    High-resolution neutron capture cross section measurements of 55Mn were recently performed at GELINA by Schillebeeckx et al. (2005) and at ORELA by Guber et al. (2007). The analysis of the experimental data was performed with the computer code SAMMY using the Bayesian approach in the resonance parameters representation of the cross sections. The neutron transmission data taken in 1988 by Harvey et al. (2007) and not analyzed before were added to the SAMMY experimental data base. More than 95% of the s-wave resonances and more than 85% of the p-wave resonances were identified in the energy range up to 125 keV, leading to the neutron strength functions S0 = (3.90 0.78) x 10-4 and S1 = (0.45 0.08) x 10-4. About 25% of the d-wave resonances were identified with a possible strength function of S2 = 1.0 x 10-4. The capture cross section calculated at 0.0253 eV is 13.27 b, and the capture resonance integral is 13.52 0.30 b. In the energy range 15 to 120 keV, the average capture cross section is 12% lower than Lerigoleur value and 25% smaller than Macklin value. GELINA and ORELA experimental capture cross sections show a background cross section not described by the Reich-Moore resonance parameters. Part of this background could be due to a direct capture component and/or to the missing d-wave resonances. The uncertainty of 10% on the average capture cross section above 20 keV is mainly due to the inaccuracy in the calculation of the background components.

  10. Layered solid sorbents for carbon dioxide capture

    SciTech Connect (OSTI)

    Li, Bingyun; Jiang, Bingbing; Gray, McMahan L; Fauth, Daniel J; Pennline, Henry W; Richards, George A

    2014-11-18T23:59:59.000Z

    A solid sorbent for the capture and the transport of carbon dioxide gas is provided having at least one first layer of a positively charged material that is polyethylenimine or poly(allylamine hydrochloride), that captures at least a portion of the gas, and at least one second layer of a negatively charged material that is polystyrenesulfonate or poly(acryclic acid), that transports the gas, wherein the second layer of material is in juxtaposition to, attached to, or crosslinked with the first layer for forming at least one bilayer, and a solid substrate support having a porous surface, wherein one or more of the bilayers is/are deposited on the surface of and/or within the solid substrate. A method of preparing and using the solid sorbent is provided.

  11. Electron capture cross sections for stellar nucleosynthesis

    E-Print Network [OSTI]

    Giannaka, P G

    2015-01-01T23:59:59.000Z

    In the first stage of this work, we perform detailed calculations for the cross sections of the electron capture on nuclei under laboratory conditions. Towards this aim we exploit the advantages of a refined version of the proton-neutron quasi-particle random-phase approximation (pn-QRPA) and carry out state-by-state evaluations of the rates of exclusive processes that lead to any of the accessible transitions within the chosen model space. In the second stage of our present study, we translate the above mentioned $e^-$-capture cross sections to the stellar environment ones by inserting the temperature dependence through a Maxwell-Boltzmann distribution describing the stellar electron gas. As a concrete nuclear target we use the $^{66}Zn$ isotope, which belongs to the iron group nuclei and plays prominent role in stellar nucleosynthesis at core collapse supernovae environment.

  12. Thermal neutron capture gamma-rays

    SciTech Connect (OSTI)

    Tuli, J.K.

    1983-01-01T23:59:59.000Z

    The energy and intensity of gamma rays as seen in thermal neutron capture are presented. Only those (n,..cap alpha..), E = thermal, reactions for which the residual nucleus mass number is greater than or equal to 45 are included. These correspond to evaluations published in Nuclear Data Sheets. The publication source data are contained in the Evaluated Nuclear Structure Data File (ENSDF). The data presented here do not involve any additional evaluation. Appendix I lists all the residual nuclides for which the data are included here. Appendix II gives a cumulated index to A-chain evaluations including the year of publication. The capture gamma ray data are given in two tables - the Table 1 is the list of all gamma rays seen in (n,..gamma..) reaction given in the order of increasing energy; the Table II lists the gamma rays according to the nuclide.

  13. Data Capture Technique for High Speed Signaling

    DOE Patents [OSTI]

    Barrett, Wayne Melvin (Rochester, MN); Chen, Dong (Croton On Hudson, NY); Coteus, Paul William (Yorktwon Heights, NY); Gara, Alan Gene (Mount Kisco, NY); Jackson, Rory (Eastchester, NY); Kopcsay, Gerard Vincent (Yorktown Hieghts, NY); Nathanson, Ben Jesse (Teaneck, NY); Vranas, Paylos Michael (Bedford Hills, NY); Takken, Todd E. (Brewster, NY)

    2008-08-26T23:59:59.000Z

    A data capture technique for high speed signaling to allow for optimal sampling of an asynchronous data stream. This technique allows for extremely high data rates and does not require that a clock be sent with the data as is done in source synchronous systems. The present invention also provides a hardware mechanism for automatically adjusting transmission delays for optimal two-bit simultaneous bi-directional (SiBiDi) signaling.

  14. Simteche Hydrate CO2 Capture Process

    SciTech Connect (OSTI)

    Nexant and Los Alamos National Laboratory

    2006-09-30T23:59:59.000Z

    As a result of an August 4, 2005 project review meeting held at Los Alamos National Laboratory (LANL) to assess the project's technical progress, Nexant/Simteche/LANL project team was asked to meet four targets related to the existing project efforts. The four targets were to be accomplished by the September 30, 2006. These four targets were: (1) The CO{sub 2} hydrate process needs to show, through engineering and sensitivity analysis, that it can achieve 90% CO{sub 2} capture from the treated syngas stream, operating at 1000 psia. The cost should indicate the potential of achieving the Sequestration Program's cost target of less than 10% increase in the cost of electricity (COE) of the non-CO{sub 2} removal IGCC plant or demonstrate a significant cost reduction from the Selexol process cost developed in the Phase II engineering analysis. (2) The ability to meet the 20% cost share requirement for research level efforts. (3) LANL identifies through equilibrium and bench scale testing a once-through 90% CO{sub 2} capture promoter that supports the potential to achieve the Sequestration Program's cost target. Nexant is to perform an engineering analysis case to verify any economic benefits, as needed; no ETM validation is required, however, for this promoter for FY06. (4) The CO{sub 2} hydrate once-through process is to be validated at 1000 psia with the ETM at a CO{sub 2} capture rate of 60% without H{sub 2}S. The performance of 68% rate of capture is based on a batch, equilibrium data with H{sub 2}S. Validation of the test results is required through multiple runs and engineering calculations. Operational issues will be solved that will specifically effect the validation of the technology. Nexant was given the primary responsibility for Target No.1, while Simteche was mainly responsible for Target No.2; with LANL having the responsibility of Targets No.3 and No.4.

  15. Eddington Capture Sphere around luminous stars

    E-Print Network [OSTI]

    Adam Stahl; Maciek Wielgus; Marek Abramowicz; W?odek Klu?niak; Wenfei Yu

    2012-08-10T23:59:59.000Z

    Test particles infalling from infinity onto a compact spherical star with a mildly super-Eddington luminosity at its surface are typically trapped on the "Eddington Capture Sphere" and do not reach the surface of the star. The presence of a sphere on which radiation pressure balances gravity for static particles was first discovered some twenty five years ago. Subsequently, it was shown to be a capture sphere for particles in radial motion, and more recently also for particles in non-radial motion, in which the Poynting-Robertson radiation drag efficiently removes the orbital angular momentum of the particles, reducing it to zero. Here we develop this idea further, showing that "levitation" on the Eddington sphere (above the stellar surface) is a state of stable equilibrium, and discuss its implications for Hoyle-Lyttleton accretion onto a luminous star. When the Eddington sphere is present, the cross-section of a compact star for actual accretion is typically less than the geometrical cross-section (pi Rsquared), direct infall onto the stellar surface only being possible for relativistic particles, with the required minimum particle velocity at infinity typically ~1/2 the speed of light. We further show that particles on typical trajectories in the vicinity of the stellar surface will also be trapped on the Eddington Capture Sphere.

  16. Knowledge representation in process engineering Ulrike Sattler

    E-Print Network [OSTI]

    Baader, Franz

    Knowledge representation in process engineering Ulrike Sattler RWTH Aachen, uli, the tasks we are concerned with in process engineering are described as well as how knowledge representation@cantor.informatik.rwth­aachen.de Abstract Process engineering is surely no pure con­ figuration application, but modeling the structure

  17. Rational Univariate Representation 1 Stickelberger's Theorem

    E-Print Network [OSTI]

    Verschelde, Jan

    (RUR) 2 The Elbow Manipulator a spatial robot arm with three links 3 Application of the Newton a rational univariate representation (RUR) 2 The Elbow Manipulator a spatial robot arm with three links 3 a rational univariate representation (RUR) 2 The Elbow Manipulator a spatial robot arm with three links 3

  18. Topics in Representation Theory: The Heisenberg Algebra

    E-Print Network [OSTI]

    Woit, Peter

    Topics in Representation Theory: The Heisenberg Algebra We'll now turn to a topic which is a precise analog of the previous discussion of the Clifford algebra and spinor representations. By replacing a new algebra, the Heisenberg algebra. The group of automor- phism of this algebra is now a symplectic

  19. Representations of Petri net interactions Pawel Sobocinski

    E-Print Network [OSTI]

    Sobocinski, Pawel

    Representations of Petri net interactions Pawel Soboci´nski ECS, University of Southampton, UK Abstract. We introduce a novel compositional algebra of Petri nets, as well as a stateful extension In part owing to their intuitive graphical representation, Petri nets [28] are of- ten used both

  20. Capturing the Sun, Creating a Clean Energy Future (Brochure)...

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

    Capturing the Sun, Creating a Clean Energy Future (Brochure), SunShot, Solar Energy Technologies Program (SETP), U.S. Department of Energy (DOE) Capturing the Sun, Creating a Clean...

  1. New Funding Boosts Carbon Capture, Solar Energy and High Gas...

    Office of Environmental Management (EM)

    Boosts Carbon Capture, Solar Energy and High Gas Mileage Cars and Trucks New Funding Boosts Carbon Capture, Solar Energy and High Gas Mileage Cars and Trucks June 11, 2009 -...

  2. Carbon Capture Innovation: Making an IMPACCT on Coal | Department...

    Energy Savers [EERE]

    Carbon Capture Innovation: Making an IMPACCT on Coal Carbon Capture Innovation: Making an IMPACCT on Coal February 16, 2012 - 4:48pm Addthis The ICES team from Alliant Techsystems...

  3. Carbon Dioxide Capture/Sequestration Tax Deduction (Kansas)

    Broader source: Energy.gov [DOE]

    Carbon Dioxide Capture/Sequestration Tax Deduction allows a taxpayer a deduction to adjusted gross income with respect to the amortization of the amortizable costs of carbon dioxide capture,...

  4. Readout of Secretary Chu Meetings on Carbon Capture and Sequestration...

    Office of Environmental Management (EM)

    Chu Meetings on Carbon Capture and Sequestration and State Grid Readout of Secretary Chu Meetings on Carbon Capture and Sequestration and State Grid July 16, 2009 - 12:00am Addthis...

  5. Gamma Spectrum from Neutron Capture on Tungsten Isotopes

    E-Print Network [OSTI]

    Hurst, Aaron

    2011-01-01T23:59:59.000Z

    FROM NEUTRON CAPTURE ON TUNGSTEN ISOTOPES A. M. HURST ?1,2 ,capture on the stable tungsten isotopes is presented, withknown decay schemes of the tungsten isotopes from neutron

  6. solvent-carbon-capture-scientific | netl.doe.gov

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

    Development of a Novel Gas Pressurized Stripping Process-Based Technology for CO2 Capture Project No.: DE-FE0007567 Carbon Capture Scientific is developing and testing a novel,...

  7. Perspectives on Carbon Capture and Sequestration in the United States

    E-Print Network [OSTI]

    Wong-Parodi, Gabrielle

    2011-01-01T23:59:59.000Z

    are capturing CO 2 emissions from a coal power plant you aresources of emissions, e.g. coal-fired power plants or cementemissions are captured from stationary sources such as coal-fired power

  8. CO2 Capture by Absorption with Potassium Carbonate

    E-Print Network [OSTI]

    Rochelle, Gary T.

    CO2 Capture by Absorption with Potassium Carbonate First Quarterly Report 2007 Quarterly Progress of this work is to improve the process for CO2 capture by alkanolamine absorption/stripping by developing

  9. CO2 Capture by Absorption with Potassium Carbonate

    E-Print Network [OSTI]

    Rochelle, Gary T.

    CO2 Capture by Absorption with Potassium Carbonate Fourth Quarterly Report 2006 Quarterly Progress of this work is to improve the process for CO2 capture by alkanolamine absorption/stripping by developing

  10. Post-Combustion CO2 Capture 11 -13 July 2010

    E-Print Network [OSTI]

    Post-Combustion CO2 Capture Workshop 11 - 13 July 2010 Tufts European Center Talloires, France Institute | | Clean Air Task Force | | Asia Clean Energy Innovation Initiative | #12;Post-Combustion CO2 Capture Workshop 11 - 13 July 2010 Talloires, France PROCEEDINGS: Post-Combustion CO2 Capture Workshop

  11. Pilot Plant Study of Carbon Dioxide Capture by Aqueous Monoethanolamine

    E-Print Network [OSTI]

    Rochelle, Gary T.

    i Pilot Plant Study of Carbon Dioxide Capture by Aqueous Monoethanolamine Topical Report Prepared Pilot Plant Study of Carbon Dioxide Capture by Aqueous Monoethanolamine Ross Edward Dugas, M capture using monoethanolamine (MEA). MEA is an appropriate choice for a baseline study since

  12. Carbon Dioxide Capture by Chemical Absorption: A Solvent Comparison Study

    E-Print Network [OSTI]

    1 Carbon Dioxide Capture by Chemical Absorption: A Solvent Comparison Study by Anusha Kothandaraman Students #12;2 #12;3 Carbon Dioxide Capture by Chemical Absorption: A Solvent Comparison Study by Anusha with electricity generation accounting for 40% of the total1 . Carbon capture and sequestration (CCS) is one

  13. Designed amyloid fibers as materials for selective carbon dioxide capture

    E-Print Network [OSTI]

    Designed amyloid fibers as materials for selective carbon dioxide capture Dan Lia,b,c,1 , Hiroyasu demonstrate that amyloids, self-assembling protein fibers, are effective for selective carbon dioxide capture formation rate is fast enough to capture carbon dioxide by dynamic separation, undiminished by the presence

  14. Electrochemically Mediated Separation for Carbon Capture Michael C. Sterna

    E-Print Network [OSTI]

    . ___________________________________________________________________________________ Abstract Carbon capture technology has been proposed as an effective approach for the mitigation to an environmentally responsible economy [4]. Carbon capture and storage (CCS) technology has been proposed1 Electrochemically Mediated Separation for Carbon Capture Michael C. Sterna , Fritz Simeona

  15. Incorporating Carbon Capture and Storage Technologies in Integrated Assessment Models

    E-Print Network [OSTI]

    Incorporating Carbon Capture and Storage Technologies in Integrated Assessment Models J. R. Mc carbon capture and storage, 2) a natural gas combined cycle technology with carbon capture and storage 1 emissions growth. Both the magnitude and rate of technological change toward low- or no-carbon emitting

  16. Economic Modeling of Carbon Capture and Sequestration Technologies

    E-Print Network [OSTI]

    Economic Modeling of Carbon Capture and Sequestration Technologies Jim McFarland (jrm1@mit.edu; +1 explores the economics of carbon capture and sequestration technologies as applied to electric generating of the world economy, is used to model two of the most promising carbon capture and sequestration (CCS

  17. Capture-ready power plants : options, technologies and economics

    E-Print Network [OSTI]

    Bohm, Mark (Mark C.)

    2006-01-01T23:59:59.000Z

    A plant can be considered to be capture-ready if, at some point in the future it can be retrofitted for carbon capture and sequestration and still be economical to operate. The concept of capture-ready is not a specific ...

  18. A Framework for Environmental Assessment of CO2 Capture and Storage Systems

    E-Print Network [OSTI]

    Sathre, Roger

    2013-01-01T23:59:59.000Z

    Aaron DS, Williams KA. Is carbon capture and storage reallyal. Comparison of carbon capture and storage with renewablefuel power plants with carbon capture and storage. Energy

  19. Calcifying Cyanobacteria - The potential of biomineralization for Carbon Capture and Storage

    E-Print Network [OSTI]

    Jansson, Christer G

    2010-01-01T23:59:59.000Z

    Herzog H, Golomb D: Carbon Capture and Storage from Fossil for point-source carbon capture and sequestration. Althoughof renewable biofuels, and carbon capture and storage (CCS).

  20. Spatially-explicit impacts of carbon capture and sequestration on water supply and demand

    E-Print Network [OSTI]

    Sathre, Roger

    2014-01-01T23:59:59.000Z

    Annual Conference on Carbon Capture and Sequestration, MayEleventh Annual Carbon Capture, Utilization & Sequestrationplants with and without carbon capture. Presentation at 2009

  1. A Framework for Environmental Assessment of CO2 Capture and Storage Systems

    E-Print Network [OSTI]

    Sathre, Roger

    2013-01-01T23:59:59.000Z

    V. The role of carbon capture technologies in greenhouse gascarbon capture and storage with renewable energy technologiesCarbon capture and storage: Fundamental thermodynamics and current technology.

  2. Recent advances in neutron capture therapy (NCT)

    SciTech Connect (OSTI)

    Fairchild, R.G.

    1985-01-01T23:59:59.000Z

    The application of the /sup 10/B(n,..cap alpha..)/sup 7/Li reaction to cancer radiotherapy (Neutron Capture therapy, or NCT) has intrigued investigators since the discovery of the neutron. This paper briefly summarizes data describing recently developed boronated compounds with evident tumor specificity and extended biological half-lives. The implication of these compounds to NCT is evaluated in terms of Therapeutic Gain (TG). The optimization of NCT using band-pass filtered beams is described, again in terms of TG, and irradiation times with these less intense beams are estimated. 24 refs., 3 figs., 3 tabs.

  3. Wyoming Carbon Capture and Storage Institute

    SciTech Connect (OSTI)

    Nealon, Teresa

    2014-06-30T23:59:59.000Z

    This report outlines the accomplishments of the Wyoming Carbon Capture and Storage (CCS) Technology Institute (WCTI), including creating a website and online course catalog, sponsoring technology transfer workshops, reaching out to interested parties via news briefs and engaging in marketing activities, i.e., advertising and participating in tradeshows. We conclude that the success of WCTI was hampered by the lack of a market. Because there were no supporting financial incentives to store carbon, the private sector had no reason to incur the extra expense of training their staff to implement carbon storage. ii

  4. Neutron Captures in the r-Process

    E-Print Network [OSTI]

    T. Rauscher

    2004-04-12T23:59:59.000Z

    The r-process involves neutron-rich nuclei far off stability for which no experimental cross sections are known. Therefore, one has to rely on theory. The difficulties in the predictions are briefly addressed. To investigate the impact of altered rates, a comparison of r-process production in hot bubble models with largely varied rates is shown. Due to the (n,gamma)-(gamma,n) equilibrium established at the onset of the r-process, only late-time neutron captures are important which mainly modify the abundances around the third r-process peak.

  5. Capture of carbon dioxide by hybrid sorption

    SciTech Connect (OSTI)

    Srinivasachar, Srivats

    2014-09-23T23:59:59.000Z

    A composition, process and system for capturing carbon dioxide from a combustion gas stream. The composition has a particulate porous support medium that has a high volume of pores, an alkaline component distributed within the pores and on the surface of the support medium, and water adsorbed on the alkaline component, wherein the proportion of water in the composition is between about 5% and about 35% by weight of the composition. The process and system contemplates contacting the sorbent and the flowing gas stream together at a temperature and for a time such that some water remains adsorbed in the alkaline component when the contact of the sorbent with the flowing gas ceases.

  6. Capturing Waste Gas: Saves Energy, Lower Costs

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platformBuilding RemovalCSS Letter -SeptemberWorkshop |Capturing Waste Gas:

  7. Carbon Capture and Storage (CCS) Studies

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platformBuilding RemovalCSS Letter -SeptemberWorkshop |Capturing WasteMultiple

  8. Sandia Energy - Carbon Capture & Storage

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What's PossibleRadiation Protection245C Unlimited ReleaseWelcomeLong Lifetime of KeyCarbon Capture &

  9. How Carbon Capture Works | Department of Energy

    Energy Savers [EERE]

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page onYou are now leaving Energy.gov You are now leaving Energy.gov You are being directed off Energy.gov.Energy02.pdf7 OPAM Flash2011-37Energy HighlightsCarbon Capture Works How

  10. Supercomputers Capture Turbulence in the Solar Wind

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del SolStrengthening a solid ...Success Stories Touching TheCapture Turbulence in the

  11. Capturing CO2 via reactions in nanopores.

    SciTech Connect (OSTI)

    Leung, Kevin; Nenoff, Tina Maria; Criscenti, Louise Jacqueline; Tang, Z [University of Cincinnati; Dong, J. H. [University of Cincinnati

    2008-10-01T23:59:59.000Z

    This one-year exploratory LDRD aims to provide fundamental understanding of the mechanism of CO2 scrubbing platforms that will reduce green house gas emission and mitigate the effect of climate change. The project builds on the team member's expertise developed in previous LDRD projects to study the capture or preferential retention of CO2 in nanoporous membranes and on metal oxide surfaces. We apply Density Functional Theory and ab initio molecular dynamics techniques to model the binding of CO2 on MgO and CaO (100) surfaces and inside water-filled, amine group functionalized silica nanopores. The results elucidate the mechanisms of CO2 trapping and clarify some confusion in the literature. Our work identifies key future calculations that will have the greatest impact on CO2 capture technologies, and provides guidance to science-based design of platforms that can separate the green house gas CO2 from power plant exhaust or even from the atmosphere. Experimentally, we modify commercial MFI zeolite membranes and find that they preferentially transmit H2 over CO2 by a factor of 34. Since zeolite has potential catalytic capability to crack hydrocarbons into CO2 and H2, this finding paves the way for zeolite membranes that can convert biofuel into H2 and separate the products all in one step.

  12. Converting Boundary Representation Solid Models to Half-Space Representation Models for Monte Carlo Analysis

    SciTech Connect (OSTI)

    Davis JE, Eddy MJ, Sutton TM, Altomari TJ

    2007-03-01T23:59:59.000Z

    Solid modeling computer software systems provide for the design of three-dimensional solid models used in the design and analysis of physical components. The current state-of-the-art in solid modeling representation uses a boundary representation format in which geometry and topology are used to form three-dimensional boundaries of the solid. The geometry representation used in these systems is cubic B-spline curves and surfaces--a network of cubic B-spline functions in three-dimensional Cartesian coordinate space. Many Monte Carlo codes, however, use a geometry representation in which geometry units are specified by intersections and unions of half-spaces. This paper describes an algorithm for converting from a boundary representation to a half-space representation.

  13. Mental Representations Formed From Educational Website Formats

    SciTech Connect (OSTI)

    Elizabeth T. Cady; Kimberly R. Raddatz; Tuan Q. Tran; Bernardo de la Garza; Peter D. Elgin

    2006-10-01T23:59:59.000Z

    The increasing popularity of web-based distance education places high demand on distance educators to format web pages to facilitate learning. However, limited guidelines exist regarding appropriate writing styles for web-based distance education. This study investigated the effect of four different writing styles on reader’s mental representation of hypertext. Participants studied hypertext written in one of four web-writing styles (e.g., concise, scannable, objective, and combined) and were then administered a cued association task intended to measure their mental representations of the hypertext. It is hypothesized that the scannable and combined styles will bias readers to scan rather than elaborately read, which may result in less dense mental representations (as identified through Pathfinder analysis) relative to the objective and concise writing styles. Further, the use of more descriptors in the objective writing style will lead to better integration of ideas and more dense mental representations than the concise writing style.

  14. Towards improving phenotype representation in OWL

    E-Print Network [OSTI]

    Loebe, Frank; Stumpf, Frank; Hoehndorf, Robert; Herre, Heinrich

    2012-09-21T23:59:59.000Z

    PROCEEDINGS Open Access Towards improving phenotype representation in OWL Frank Loebe1*, Frank Stumpf1, Robert Hoehndorf2, Heinrich Herre3 From Ontologies in Biomedicine and Life Sciences (OBML 2011) Berlin, Germany. 6-7 October 2011...

  15. Text representations in digital hypermedia library systems 

    E-Print Network [OSTI]

    Lokken, Sveinung Taraldsrud

    1993-01-01T23:59:59.000Z

    The advent of the digital library poses a great number of challenging research questions in the areas of hypermedia, computer-human interaction, information retrieval, and information science. Choosing a representation for text converted from...

  16. Harmonic Representation of Combinations and Partitions

    E-Print Network [OSTI]

    Michalis Psimopoulos

    2011-03-01T23:59:59.000Z

    In the present article a new method of deriving integral representations of combinations and partitions in terms of harmonic products has been established. This method may be relevant to statistical mechanics and to number theory.

  17. QUASI-REPRESENTATIONS OF SURFACE GROUPS 1 ...

    E-Print Network [OSTI]

    2012-07-13T23:59:59.000Z

    C?-algebra. 1. Introduction. Let G be a discrete countable group. In [3,4] the ... conjecture, a unital finite dimensional representation ?: C?(G) ? Mr(C) induces ...

  18. Lyapunov Function Synthesis using Handelman Representations.

    E-Print Network [OSTI]

    Sankaranarayanan, Sriram

    Lyapunov Function Synthesis using Handelman Representations. Sriram Sankaranarayanan Xin Chen investigate linear programming relaxations to synthesize Lyapunov functions that es- tablish the stability approach searches for a Lyapunov function, given a parametric form with unknown coefficients

  19. Bioenergy with Carbon Capture and Sequestration WorkshopBioenergy with Carbon Capture and Sequestration (BECCS) Workshop

    Broader source: Energy.gov [DOE]

    The Office of Fossil Energy (FE) and the Bioenergy Technologies Office (BETO) in the Office of Energy Efficiency and Renewable Energy (EERE) at the U.S. Department of Energy (DOE) is hosting a Bioenergy with Carbon Capture and Sequestration (BECCS) Workshop on Monday, May 18, 2015 in Washington, DC.

  20. Representations up to homotopy of Lie algebroids

    E-Print Network [OSTI]

    Abad, Camilo Arias

    2009-01-01T23:59:59.000Z

    This is the first in a series of papers devoted to the study of the cohomology of classifying spaces. The aim of this paper is to introduce and study the notion of representation up to homotopy and to make sense of the adjoint representation of a Lie algebroid. Our construction is inspired by Quillen's notion of superconnection and fits into the general theory of structures up to homotopy. The advantage of considering such representations is that they are flexible and general enough to contain interesting examples which are the correct generalization of the corresponding notions for Lie algebras. They also allow one to identify seemingly ad-hoc constructions and cohomology theories as instances of the cohomology with coefficients in representations (up to homotopy). In particular, we show that the adjoint representation of a Lie algebroid makes sense as a representation up to homotopy and that, similar to the case of Lie algebras, the resulting cohomology controls the deformations of the Lie algebroid (i.e. i...

  1. Comparing Single and Multiple Turbine Representations in a Wind Farm Simulation: Preprint

    SciTech Connect (OSTI)

    Muljadi, E.; Parsons, B.

    2006-03-01T23:59:59.000Z

    This paper compares single turbine representation versus multiple turbine representation in a wind farm simulation.

  2. New Directions: Potential Climate and Productivity Benefits from CO2 Capture in Commercial Buildings

    E-Print Network [OSTI]

    Gall, Elliott T; Nazaroff, William W

    2015-01-01T23:59:59.000Z

    Fennell, P.S. , 2014. Carbon capture and storage update.that require solutions for carbon capture from buildings to

  3. INDECOMPOSABLE REPRESENTATIONS FOR REAL ROOTS OF A WILD QUIVER

    E-Print Network [OSTI]

    Su, Xiuping

    INDECOMPOSABLE REPRESENTATIONS FOR REAL ROOTS OF A WILD QUIVER BERNT TORE JENSEN AND XIUPING SU wild quiver. We define operations which act on representations of this quiver, and using representation and the generic representation coincide. We will see that for wild quivers, the situation can

  4. Sulfur capture in an atmospheric fluidized-bed combustor

    SciTech Connect (OSTI)

    Baars, D.M.; Hunter, C.A.; Keitelman, E.N.

    1981-06-01T23:59:59.000Z

    Sulfur capture in an atmospheric fluidized-bed combustor (AFBC) both with and without recycle of fines elutriated from the bed was studied. Two empirical correlations, one by Babcock and Wilcox and the other by Westinghouse, correlate sulfur capture as a function of the calcium-to-sulfur mole ratio and gas residence time. Both correlations fit the experimental no-recycle results quite well. Of the limestones tested with no recycle, Vulcan Materials exhibits the best sulfur-capture performance. Data collected with Reed limestone indicates that recycle improves sulfur-capture compared with once-through performance. However, there is a decreasing effect on sulfur capture as the recycle rate is increased to large values. At 90% sulfur capture, the fractional reduction of fresh limestone feed attributable to recycle is 24 to 35% over a gas-residence time range of 0.7 to 0.4 s.

  5. Annual Report: Carbon Capture Simulation Initiative (CCSI) (30 September 2013)

    SciTech Connect (OSTI)

    Miller, David C; Syamlal, Madhava; Cottrell, Roger; Kress, Joel D; Sundaresan, S; Sun, Xin; Storlie, C; Bhattacharyya, D; Tong, Charles; Zitney, Stephen E; Dale, Crystal; Engel, Dave; Agarwal, Deb; Calafiura, Paolo; Shinn, John

    2014-03-05T23:59:59.000Z

    The Carbon Capture Simulation Initiative (CCSI) is a partnership among national laboratories, industry and academic institutions that is developing and deploying state-of-the-art computational modeling and simulation tools to accelerate the commercialization of carbon capture technologies from discovery to development, demonstration, and ultimately the widespread deployment to hundreds of power plants. The CCSI Toolset will provide end users in industry with a comprehensive, integrated suite of scientifically validated models, with uncertainty quantification (UQ), optimization, risk analysis and decision making capabilities. The CCSI Toolset incorporates commercial and open-source software currently in use by industry and is also developing new software tools as necessary to fill technology gaps identified during execution of the project. Ultimately, the CCSI Toolset will (1) enable promising concepts to be more quickly identified through rapid computational screening of devices and processes; (2) reduce the time to design and troubleshoot new devices and processes; (3) quantify the technical risk in taking technology from laboratory-scale to commercial-scale; and (4) stabilize deployment costs more quickly by replacing some of the physical operational tests with virtual power plant simulations. CCSI is led by the National Energy Technology Laboratory (NETL) and leverages the Department of Energy (DOE) national laboratories’ core strengths in modeling and simulation, bringing together the best capabilities at NETL, Los Alamos National Laboratory (LANL), Lawrence Berkeley National Laboratory (LBNL), Lawrence Livermore National Laboratory (LLNL), and Pacific Northwest National Laboratory (PNNL). The CCSI’s industrial partners provide representation from the power generation industry, equipment manufacturers, technology providers and engineering and construction firms. The CCSI’s academic participants (Carnegie Mellon University, Princeton University, West Virginia University, Boston University and the University of Texas at Austin) bring unparalleled expertise in multiphase flow reactors, combustion, process synthesis and optimization, planning and scheduling, and process control techniques for energy processes. During Fiscal Year (FY) 13, CCSI announced the initial release of its first set of computational tools and models during the October 2012 meeting of its Industry Advisory Board. This initial release led to five companies licensing the CCSI Toolset under a Test and Evaluation Agreement this year. By the end of FY13, the CCSI Technical Team had completed development of an updated suite of computational tools and models. The list below summarizes the new and enhanced toolset components that were released following comprehensive testing during October 2013. 1. FOQUS. Framework for Optimization and Quantification of Uncertainty and Sensitivity. Package includes: FOQUS Graphic User Interface (GUI), simulation-based optimization engine, Turbine Client, and heat integration capabilities. There is also an updated simulation interface and new configuration GUI for connecting Aspen Plus or Aspen Custom Modeler (ACM) simulations to FOQUS and the Turbine Science Gateway. 2. A new MFIX-based Computational Fluid Dynamics (CFD) model to predict particle attrition. 3. A new dynamic reduced model (RM) builder, which generates computationally efficient RMs of the behavior of a dynamic system. 4. A completely re-written version of the algebraic surrogate model builder for optimization (ALAMO). The new version is several orders of magnitude faster than the initial release and eliminates the MATLAB dependency. 5. A new suite of high resolution filtered models for the hydrodynamics associated with horizontal cylindrical objects in a flow path. 6. The new Turbine Science Gateway (Cluster), which supports FOQUS for running multiple simulations for optimization or UQ using a local computer or cluster. 7. A new statistical tool (BSS-ANOVA-UQ) for calibration and validation of CFD models. 8. A new basic data submodel in Aspen Plus forma

  6. Making Carbon Capture and Storage Efficient and Cost Competitive

    Broader source: Energy.gov [DOE]

    Assistant Secretary for Fossil Energy Charles McConnell visited Ohio State University to highlight new Energy Department investments in carbon capture and storage technologies.

  7. Sandia Energy - The CRF's Turbulent Combustion Lab (TCL) Captures...

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

    CRF's Turbulent Combustion Lab (TCL) Captures the Moment of Hydrogen Ignition Home Energy Transportation Energy CRF Facilities News News & Events Research & Capabilities The CRF's...

  8. New Materials for Capturing Carbon Dioxide from Combustion Gases

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

    to APS Science Highlights rss feed New Materials for Capturing Carbon Dioxide from Combustion Gases April 9, 2014 Bookmark and Share The SIFSIX materials in order of increasing...

  9. New Computer Model Pinpoints Prime Materials for Carbon Capture

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

    plants that spew carbon dioxide (CO2) into the atmosphere and contribute to global warming. While humans could potentially mitigate this effect by capturing CO2 from power...

  10. Carbon Dioxide Capture and Storage Demonstration in Developing...

    Open Energy Info (EERE)

    Carbon Dioxide Capture and Storage Demonstration in Developing Countries: Analysis of Key Policy Issues and Barriers Jump to: navigation, search Tool Summary LAUNCH TOOL Name:...

  11. Strategic Analysis of the Global Status of Carbon Capture and...

    Open Energy Info (EERE)

    Strategic Analysis of the Global Status of Carbon Capture and Storage (CCS): Country Studies, United Arab Emirates Jump to: navigation, search Tool Summary LAUNCH TOOL Name:...

  12. EIS-0464: Lake Charles Carbon Capture and Storage (CCS) Project...

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

    for an award of financial assistance through a competitive process under the Industrial Carbon Capture and Sequestration Program. Public Comment Opportunities None available at...

  13. Progress and new developments in carbon capture and storage

    SciTech Connect (OSTI)

    Plasynski, S.I.; Litynski, J.T.; McIlvried, H.G.; Srivastava, R.D. [US DOE, Pittsburgh, PA (United States). National Energy Technology Laboratory

    2009-07-01T23:59:59.000Z

    Growing concern over the impact on global climate change of the buildup of greenhouse gases (GHGs) in the atmosphere has resulted in proposals to capture carbon dioxide (CO{sub 2}) at large point sources and store it in geologic formations, such as oil and gas reservoirs, unmineable coal seams, and saline formations, referred to as carbon capture and storage (CCS). There are three options for capturing CO{sub 2} from point sources: post-combustion capture, pre-combustion capture, and oxy-combustion. Several processes are available to capture CO{sub 2}, and new or improved processes are under development. However, CO{sub 2} capture is the most expensive part of CCS, typically accounting for 75% of overall cost. CCS will benefit significantly from the development of a lower cost post-combustion CO{sub 2} capture process that can be retrofitted to existing power plants. Once captured, the CO{sub 2} is compressed to about 150 atm and pipelined at supercritical conditions to a suitable storage site. Oil and gas reservoirs, because they have assured seals and are well characterized, are promising early opportunity sites. Saline formations are much more extensive and have a huge potential storage capacity, but are much less characterized. Several commercial and a number of pilot CCS projects are underway around the world.

  14. Capturing All the Light: Panchromatic Visible Absorption for...

    Office of Science (SC) Website

    Capturing All the Light: Panchromatic Visible Absorption for Solar Photoconversion Basic Energy Sciences (BES) BES Home About Research Facilities Science Highlights Benefits of BES...

  15. Lake Charles Carbon Capture and Sequestration Project U. S. Department...

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

    Lake Charles Carbon Capture and Sequestration Project U. S. Department of Energy National Energy Technology Laboratory March 2014 1 INTRODUCTION The United States (U.S.) Department...

  16. New Funding from DOE Boosts Carbon Capture and Storage Research...

    Office of Environmental Management (EM)

    and other countries, it's crucial that we develop ways to capture and store carbon pollution," said Secretary Chu. "These technologies will not only give us a healthier planet,...

  17. Rechargeable Heat Battery's Secret Revealed: Solar Energy Capture...

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

    Rechargeable Heat Battery Rechargeable Heat Battery's Secret Revealed Solar energy capture in chemical form makes it storable and transportable January 11, 2011 | Tags: Chemistry,...

  18. Radiative capture reactions in lattice effective field theory

    E-Print Network [OSTI]

    Gautam Rupak; Dean Lee

    2013-02-18T23:59:59.000Z

    We outline a general method for computing nuclear capture reactions on the lattice. The method consists of two major parts. In this study we detail the second part which consists of calculating an effective two-body capture reaction on the lattice at finite volume. We solve this problem by calculating the two-point Green's function using an infrared regulator and the capture amplitude to a two-body bound state. We demonstrate the details of this method by calculating on the lattice the leading M1 contribution to the radiative neutron capture on proton at low energies using pionless effective field theory. We find good agreement with exact continuum results.

  19. co2-capture-igcc-sri | netl.doe.gov

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

    Carbon Dioxide Capture from Integrated Gasification Combined Cycle Gas Streams Using the Ammonium Carbonate-Ammonium Bicarbonate Process Project No.: DE-FE0000896 Batch scale...

  20. Secretary Chu Announces $3 Billion Investment for Carbon Capture...

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

    toward a capture and sequestration goal of less than 10% increase in the cost of electricity for gasification systems and less than 35% for combustion and oxycombustion...

  1. Knowledge Capture and Transfer Program | Department of Energy

    Office of Environmental Management (EM)

    Capture and Transfer Program The Office of Learning and Workforce Development is working with Heads of Departmental Elements, DOE senior leaders and subject-matter-experts...

  2. Knowledge Capture and Transfer Program (KCTP) "Newly Created...

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

    Powerpedia Page The Knowledge Capture and Transfer Program (KCTP) has a new logo and a newly created Powerpedia page. The page layout and program descriptions allow for...

  3. Natural geometric representation for electron local observables

    SciTech Connect (OSTI)

    Minogin, V.G., E-mail: minogin@isan.troitsk.ru

    2014-03-15T23:59:59.000Z

    An existence of the quartic identities for the electron local observables that define orthogonality relations for the 3D quantities quadratic in the electron observables is found. It is shown that the joint solution of the quartic and bilinear identities for the electron observables defines a unique natural representation of the observables. In the natural representation the vector type electron local observables have well-defined fixed positions with respect to a local 3D orthogonal reference frame. It is shown that the natural representation of the electron local observables can be defined in six different forms depending on a choice of the orthogonal unit vectors. The natural representation is used to determine the functional dependence of the electron wave functions on the local observables valid for any shape of the electron wave packet. -- Highlights: •Quartic identities that define the orthogonality relations for the electron local observables are found. •Joint solution of quartic and bilinear identities defines a unique natural representation of the electron local observables. •Functional dependence of the electron wave functions on the electron local observables is determined.

  4. DEVELOPING CARBON CAPTURE AND STORAGE Howard J Herzog

    E-Print Network [OSTI]

    of CO2, most notably CO2 for enhanced oil recovery (EOR), they have their limitations. Specifically, the cost for capturing CO2 from power plants is 2-4 times the cost that EOR operators are willing to pay, it is always cheaper to vent CO2 into the atmosphere than to capture and store it. Therefore

  5. The contribution of CO2 capture and storage

    E-Print Network [OSTI]

    The contribution of CO2 capture and storage to a sustainable energy system Policy brief the prospects of CO2 capture and storage (CCS) technologies in the power sector. Based on the results of 10. The uncertainties, particularly in storage capacities, are large. Using conservative estimates in line with the IPCC

  6. European and Global Perspectives for CO2 Capture and Storage

    E-Print Network [OSTI]

    European and Global Perspectives for CO2 Capture and Storage Heleen Groenenberg, Martine Uyterlinde, ECN Policy Studies, The Netherlands Abstract CO2 capture and storage (CCS) is increasingly mentioned a large point source, compression, transport and subsequent storage in a geological reservoir, the ocean

  7. Mountaineer Commerical Scale Carbon Capture and Storage (CCS) Project

    SciTech Connect (OSTI)

    Deanna Gilliland; Matthew Usher

    2011-12-31T23:59:59.000Z

    The Final Technical documents all work performed during the award period on the Mountaineer Commercial Scale Carbon Capture & Storage project. This report presents the findings and conclusions produced as a consequence of this work. As identified in the Cooperative Agreement DE-FE0002673, AEP's objective of the Mountaineer Commercial Scale Carbon Capture and Storage (MT CCS II) project is to design, build and operate a commercial scale carbon capture and storage (CCS) system capable of treating a nominal 235 MWe slip stream of flue gas from the outlet duct of the Flue Gas Desulfurization (FGD) system at AEP's Mountaineer Power Plant (Mountaineer Plant), a 1300 MWe coal-fired generating station in New Haven, WV. The CCS system is designed to capture 90% of the CO{sub 2} from the incoming flue gas using the Alstom Chilled Ammonia Process (CAP) and compress, transport, inject and store 1.5 million tonnes per year of the captured CO{sub 2} in deep saline reservoirs. Specific Project Objectives include: (1) Achieve a minimum of 90% carbon capture efficiency during steady-state operations; (2) Demonstrate progress toward capture and storage at less than a 35% increase in cost of electricity (COE); (3) Store CO{sub 2} at a rate of 1.5 million tonnes per year in deep saline reservoirs; and (4) Demonstrate commercial technology readiness of the integrated CO{sub 2} capture and storage system.

  8. CAPTURE OR CONTRACT?: THE EARLY YEARS OF ELECTRIC UTILITY REGULATION

    E-Print Network [OSTI]

    Lyon, Thomas P.

    CAPTURE OR CONTRACT?: THE EARLY YEARS OF ELECTRIC UTILITY REGULATION Thomas P. Lyon Nathan Wilson prices rose in states that adopted state regulation before 1917, suggesting that regulators were "captured" by the interests of the regulated electric utilities. An alternative explanation is that state

  9. Capturing Variability in Business Process Models: The Provop Approach

    E-Print Network [OSTI]

    Ulm, Universität

    Capturing Variability in Business Process Models: The Provop Approach Alena Hallerbach1 , Thomas be transferred to cross-organizational business processes as well [4]. A business process model captures models there exists a multitude of tools like ARIS Business Architect [5], ADONIS [6], and Web

  10. Capturing Molecular Energy Landscapes with Probabilistic Conformational Roadmaps

    E-Print Network [OSTI]

    Brutlag, Doug

    1 Capturing Molecular Energy Landscapes with Probabilistic Conformational Roadmaps Mehmet Serkan1 and Biochemistry2 Stanford University, Stanford, CA 94305, USA Abstract: Probabilistic roadmaps roadmap (PCR) tries to capture the connectivity of the low-energy subset of a conformational space

  11. THE COST OF CARBON CAPTURE Jeremy David and Howard Herzog

    E-Print Network [OSTI]

    's technology for CO2 separation and capture at three types of power plants: integrated coal gasification the economics of capturing CO2 at Integrated coal Gasification Combined Cycle (IGCC) power plants (six studies), Pulverized Coal (PC) power plants (four studies), and Natural Gas Combined Cycle (NGCC) power plants (four

  12. CO2 Capture by Absorption with Potassium Carbonate

    E-Print Network [OSTI]

    Rochelle, Gary T.

    CO2 Capture by Absorption with Potassium Carbonate First Quarterly Report 2006 Quarterly Progress the process for CO2 capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous.................................................................................................................................... 8 Task 1 ­ Modeling Performance of Absorption/Stripping of CO2 with Aqueous K2CO3 Promoted

  13. CO2 Capture by Absorption with Potassium Carbonate

    E-Print Network [OSTI]

    Rochelle, Gary T.

    CO2 Capture by Absorption with Potassium Carbonate Third Quarterly Report 2006 Quarterly Progress of this work is to improve the process for CO2 capture by alkanolamine absorption/stripping by developing...................................................................................................................................11 Task 1 ­ Modeling Performance of Absorption/Stripping of CO2 with Aqueous K2CO3 Promoted

  14. CO2 Capture by Absorption with Potassium Carbonate

    E-Print Network [OSTI]

    Rochelle, Gary T.

    CO2 Capture by Absorption with Potassium Carbonate Second Quarterly Report 2006 Quarterly Progress of this work is to improve the process for CO2 capture by alkanolamine absorption/stripping by developing.................................................................................................................................. 10 Task 1 ­ Modeling Performance of Absorption/Stripping of CO2 with Aqueous K2CO3 Promoted

  15. Neutron capture of 26Mg at thermonuclear energies

    E-Print Network [OSTI]

    P. Mohr; H. Beer; H. Oberhummer; G. Staudt

    1998-05-20T23:59:59.000Z

    The neutron capture cross section of 26Mg was measured relative to the known gold cross section at thermonuclear energies using the fast cyclic activation technique. The experiment was performed at the 3.75 MV Van-de-Graaff accelerator, Forschungszentrum Karlsruhe. The experimental capture cross section is the sum of resonant and direct contributions. For the resonance at E(n,lab) = 220 keV our new results are in disagreement with the data from Weigmann et al. An improved Maxwellian averaged capture cross section is derived from the new experimental data taking into account s- and p-wave capture and resonant contributions. The properties of so-called potential resonances which influence the p-wave neutron capture of 26}Mg are discussed in detail.

  16. Fast transform from an adaptive multi-wavelet representation to a partial Fourier representation

    SciTech Connect (OSTI)

    Jia, Jun [ORNL; Harrison, Robert J [ORNL; Fann, George I [ORNL

    2010-01-01T23:59:59.000Z

    We present a fast algorithm to compute the partial transformation of a function represented in an adaptive pseudo-spectral multi-wavelet representation to a partial Fourier representation. Such fast transformations are useful in many contexts in physics and engineering, where changes of representation from a piece wise polynomial basis to a Fourier basis. The algorithm is demonstrated for a Gaussian in one and in three dimensions. For 2D, we apply this approach to a Gaussian in a periodic domain. The accuracy and the performance of this method is compared with direct summation.

  17. Strategies for Demonstration and Early Deployment of Carbon Capture and Storage: A Technical and Economic Assessment of Capture Percentage

    E-Print Network [OSTI]

    and Policy at the Massachusetts Institute of Technology ABSTRACT Carbon capture and storage (CCSStrategies for Demonstration and Early Deployment of Carbon Capture and Storage: A Technical and Astronautics and Engineering Systems Director, Technology and Policy Program Accepted by William M. Deen Carbon

  18. Representation Issues in Neighborhood Search and

    E-Print Network [OSTI]

    Whitley, Darrell

    . Yet, we also know that no search method is better than another over all possible problems is better than any other over all possible discrete functions. Radcliffe and Surry (1995) extend these notions to also cover the idea that all representations are equivalent when their behavior is considered

  19. ACQUIRED EQUIVALENCE CHANGES STIMULUS REPRESENTATIONS , D. SHOHAMY

    E-Print Network [OSTI]

    Shohamy, Daphna

    ACQUIRED EQUIVALENCE CHANGES STIMULUS REPRESENTATIONS M. MEETER 1 , D. SHOHAMY 2 , AND C.E. MYERS 3 UNIVERSITY 3 DEPT. OF PSYCHOLOGY, RUTGERS UNIVERSITY Acquired equivalence is a paradigm in which of feature salience. A different way of conceptualizing acquired equivalence is in terms of strategic

  20. Theta Representations Of Odd Orthogonal Groups

    E-Print Network [OSTI]

    Bump, Daniel

    Theta Representations Of Odd Orthogonal Groups This is a report on three papers of Daniel Bump'ns of semisimple G \\Theta SLn were given in a uniform way by Kazhdan and Savin (1989) when G is simply­laced (all

  1. FROM NORLUND MATRICES TO LAPLACE REPRESENTATIONS

    E-Print Network [OSTI]

    Sinnamon, Gordon J.

    (and not too large) on the line Re z = 0, the Laplace transform LF is just the (Poisson extension of the) Fourier transform of F. It is therefore appropriate to view the power series representation¨orlund matrices and corresponding convolution operators on the line. Analogous inequalities are proved for power

  2. THE BREUILMEZARD CONJECTURE FOR POTENTIALLY BARSOTTITATE REPRESENTATIONS.

    E-Print Network [OSTI]

    Kisin, Mark

    THE BREUIL­M´EZARD CONJECTURE FOR POTENTIALLY BARSOTTI­TATE REPRESENTATIONS. TOBY GEE AND MARK, proving a variety of results including the Buzzard­Diamond­Jarvis conjecture. Contents Overview. 2.3. Patching 14 3.4. Potential diagonalizability 18 3.5. Local results 20 4. The Buzzard­Diamond­Jarvis

  3. Issues in Temporal Representation of Multimedia Documents

    E-Print Network [OSTI]

    Joseph Fourier Grenoble-I, Université

    Issues in Temporal Representation of Multimedia Documents Nabil Layaïda OPERA project, INRIA Rhône the means of increasing the rich­ ness of information contained in electronic documents. One of the goals of the Opera team is designing an authoring environment for multimedia documents, called MADEUS, which meets

  4. Neuronal Representations of Learning Sensorimotor Skills

    E-Print Network [OSTI]

    of learning-related changes: additional controls and simulations....68-74 V. Viewing and Doing: SimilarNeuronal Representations of Learning Sensorimotor Skills Thesis submitted for the degree "Doctor.......................................................................................26-47 II. Preparatory Activity in Motor Cortex Reflects Learning of Local Visuomotor Skills

  5. Bayes Nets Representation: joint distribution and conditional

    E-Print Network [OSTI]

    Mitchell, Tom

    Bayes Nets Representation: joint distribution and conditional independence Yi Zhang 10-701, Machine joint distribution of BNs Infer C. I. from factored joint distributions D-separation (motivation) 2 structure All about the joint distribution of variables ! Conditional independence assumptions are useful

  6. Taylor Expansion Diagrams: A Canonical Representation for

    E-Print Network [OSTI]

    Kalla, Priyank

    Taylor series expansion that allows one to model word-level signals as algebraic symbols. This power systems has made it essential to address verification issues at early stages of the design cycle representations. TEDs are applicable to modeling, symbolic simulation, and equivalence verification of dataflow

  7. Video Indexing Based on Mosaic Representations

    E-Print Network [OSTI]

    Shapiro, Ehud

    1 Video Indexing Based on Mosaic Representations Michal Irani P. Anandan Abstract| Video is a rich is implicitly buried inside the raw video data, and is provided with the cost of very high temporal redundancy. While the standard sequential form of video storage is ad- equate for viewing in a "movie mode

  8. ModelicaXML A Modelica XML representation

    E-Print Network [OSTI]

    Zhao, Yuxiao

    >email@none.ro person> ... person job="manager"> Classified person> persons> #12;6November 04 for XML document validation person-job-attribute "job (programmer|manager) #REQUIREDModelicaXML A Modelica XML representation with Applications Adrian Pop, Peter Fritzson Programming

  9. Narratives of Contamination: Representations of Race, Gender, and Disease in Nineteenth Century Cuban Fiction

    E-Print Network [OSTI]

    Zander, Jessica Selene

    2012-01-01T23:59:59.000Z

    Narratives of Contamination: Representations of Race,Fall 2012 Narratives of Contamination: Representations ofAbstract Narratives of Contamination: Representations of

  10. Representation of Energy Use in the Food Products Industry 

    E-Print Network [OSTI]

    Elliott, N. R.

    2007-01-01T23:59:59.000Z

    Traditional representations of energy in the manufacturing sector have tended to represent energy end-uses rather than actual energy service demands. While this representation if quite adequate for understanding how energy is used today...

  11. Preservice teachers' knowledge of linear functions within multiple representation modes

    E-Print Network [OSTI]

    You, Zhixia

    2009-05-15T23:59:59.000Z

    and algebraic representations; (3) flexibility within visual representations; (4) flexibility with real-life situations, and (5) procedural skills. In terms of pedagogical content knowledge, two aspects were examined across five corresponding components...

  12. PRODUCT REPRESENTATION IN LIGHTWEIGHT FORMATS FOR PRODUCT LIFECYCLE MANAGEMENT (PLM)

    E-Print Network [OSTI]

    Rzepa, Henry S.

    PRODUCT REPRESENTATION IN LIGHTWEIGHT FORMATS FOR PRODUCT LIFECYCLE MANAGEMENT (PLM) Lian Ding environments and the entire product lifecycle. There are new requirements for product representations, including: platform/application independence, support for the product lifecycle, rapidly sharing information

  13. Fractal Representation of Planar Shapes Wladyslaw Skarbek3

    E-Print Network [OSTI]

    Vialatte, François

    Fractal Representation of Planar Shapes Wladyslaw Skarbek3 Frontier Research Program RIKEN, ABS of planar shapes, (e.g. characters in the given font) a fractal operator is de#12;ned which when applied on the fractal representation. Signi#12;cant compression of data volume was obtained for shape representation

  14. Representation Theory, Geometry & Combinatorics Organizer: M. Haiman and N. Reshetikhin

    E-Print Network [OSTI]

    Haiman, Mark D.

    Representation Theory, Geometry & Combinatorics Seminar Organizer: M. Haiman and N. Reshetikhin course: Representation theory and the X-ray transform The X-ray transform (also called the Funk transform tools from complex analysis and the representation theory of Lie groups. Lecture 1: Differential

  15. Anomaly-free representations of the holonomy-flux algebra

    E-Print Network [OSTI]

    SangChul Yoon

    2008-09-07T23:59:59.000Z

    We work on the uniqueness, gr-qc/0504147, of representations of the holonomy-flux algebra in loop quantum gravity. We argue that for analytic diffeomorphisms, the flux operators can be only constants as functions on the configuration space in representations with no anomaly, which are zero in the standard representation.

  16. Extremely local MR representations: Youngmi Hur1 & Amos Ron2

    E-Print Network [OSTI]

    Maryland at College Park, University of

    Extremely local MR representations: L-CAMP Youngmi Hur1 & Amos Ron2 Workshop on sparse representations: UMD, May 2005 1 Math, UW-Madison 2 CS, UW-Madison #12;Wavelet and framelet constructions History of all local MR representations #12;L-CAMP: Extremely local MR constructions Bird's view of the CAP

  17. Representation Beyond Finite States: Alternatives to PushDown Automata

    E-Print Network [OSTI]

    Blair, Alan

    outputs (Kolen, 1994). No finite discretiza­ tion of the state space can capture the behavior of such DRNs

  18. The full fuel cycle of CO{sub 2} capture and disposal capture and disposal technology

    SciTech Connect (OSTI)

    Saroff, L.

    1995-12-31T23:59:59.000Z

    The overall objective of this study was to develop a methodology for the evaluation of the energy usage and cost both private and societal (external cost)for full fuel cycles. It was envisioned that other organizations could employ the methodology with minor alterations for a consistent means of evaluating full fuel cycles. The methodology has been applied to three fossil fuel electric generation processes each producing 500 MWe (net). These are: a Natural Gas Combined Cycle (NGCC) power plant burning natural gas with direct CO{sub 2} capture and disposal; an Integrated Gasification Combined Cycle (IGCC) power plant burning coal with direct CO{sub 2} capture and disposal; and a Pulverized Fuel (PC) power plant burning coal with a managed forest indirectly sequestering CO{sub 2}. The primary aim is to provide decision makers with information from which to derive policy. Thus, the evaluation reports total energy used, private costs to build the facility, emissions and burdens, and the valuation (externalities) of the impacts of the burdens. The energy usage, private costs including capture and disposal, and emissions are reported in this paper. The valuations and analysis of the impact of the plant on the environment are reported in the companion paper. The loss in efficiency (LHV) considering the full fuel cycle as opposed to the thermal efficiency of the power plant is; 0.9, 2.4, and 4.6 for the NGCC, IGCC, and PC+controls, respectively. Electricity cost, c/kWh, including capital, operating and fuel, at a 10% discount rate. ranges from 5.6 to 7.08 for NGCC and 7.24 to 8.61 for IGCC. The range is dependent on the mode of disposal, primarily due to the long pipeline to reach a site for the pope disposal in the ocean. For the PC+ controls then is a considerable range from 7.66 to over 16 c/kWh dependent on the size and cost of the managed forest.

  19. Capturing Energy Efficiency Upgrades in the Real Estate Transaction

    Broader source: Energy.gov [DOE]

    "Capturing Energy Efficiency Upgrades in the Real Estate Transaction," by Residential Energy Efficiency Solutions, July 10, 2012. Describes the concept of a residential MPG number as a simple way of describing a home’s energy consumption.

  20. Sensitivity studies for the weak r process: neutron capture rates

    SciTech Connect (OSTI)

    Surman, R., E-mail: surmanr@union.edu [Department of Physics and Astronomy, Union College, Schenectady, NY 12308 (United States); Mumpower, M. [Department of Physics, University of Notre Dame, Notre Dame, IN 46556 (United States)] [Department of Physics, University of Notre Dame, Notre Dame, IN 46556 (United States); Sinclair, R.; Jones, K. L. [Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996 (United States)] [Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996 (United States); Hix, W. R. [Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996 (United States) [Department of Physics and Astronomy, University of Tennessee, Knoxville, TN 37996 (United States); Physics Division, Oak Ridge National Laboratory, Oak Ridge, TN 37831 (United States); McLaughlin, G. C. [Department of Physics, North Carolina State University, Raleigh, NC 27695 (United States)] [Department of Physics, North Carolina State University, Raleigh, NC 27695 (United States)

    2014-04-15T23:59:59.000Z

    Rapid neutron capture nucleosynthesis involves thousands of nuclear species far from stability, whose nuclear properties need to be understood in order to accurately predict nucleosynthetic outcomes. Recently sensitivity studies have provided a deeper understanding of how the r process proceeds and have identified pieces of nuclear data of interest for further experimental or theoretical study. A key result of these studies has been to point out the importance of individual neutron capture rates in setting the final r-process abundance pattern for a ‘main’ (A ? 130 peak and above) r process. Here we examine neutron capture in the context of a ‘weak’ r process that forms primarily the A ? 80 r-process abundance peak. We identify the astrophysical conditions required to produce this peak region through weak r-processing and point out the neutron capture rates that most strongly influence the final abundance pattern.

  1. New Membrane Technology for Post-Combustion Carbon Capture Begins...

    Energy Savers [EERE]

    (DOE) for economically capturing 90 percent of the carbon dioxide (CO2) emitted from a coal-burning power plant has begun pilot-scale testing. The technology is the PolarisTM...

  2. Carbon Capture and Storage from Industrial Sources | Department...

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

    2012. Air Products will transport the captured gas to oil fields in eastern Texas by pipeline where it will be used for enhanced oil recovery. The project team includes Air...

  3. Apparatus and method for detecting full-capture radiation events

    DOE Patents [OSTI]

    Odell, D.M.C.

    1994-10-11T23:59:59.000Z

    An apparatus and method are disclosed for sampling the output signal of a radiation detector and distinguishing full-capture radiation events from Compton scattering events. The output signal of a radiation detector is continuously sampled. The samples are converted to digital values and input to a discriminator where samples that are representative of events are identified. The discriminator transfers only event samples, that is, samples representing full-capture events and Compton events, to a signal processor where the samples are saved in a three-dimensional count matrix with time (from the time of onset of the pulse) on the first axis, sample pulse current amplitude on the second axis, and number of samples on the third axis. The stored data are analyzed to separate the Compton events from full-capture events, and the energy of the full-capture events is determined without having determined the energies of any of the individual radiation detector events. 4 figs.

  4. Apparatus and method for detecting full-capture radiation events

    DOE Patents [OSTI]

    Odell, Daniel M. C. (Aiken, SC)

    1994-01-01T23:59:59.000Z

    An apparatus and method for sampling the output signal of a radiation detector and distinguishing full-capture radiation events from Compton scattering events. The output signal of a radiation detector is continuously sampled. The samples are converted to digital values and input to a discriminator where samples that are representative of events are identified. The discriminator transfers only event samples, that is, samples representing full-capture events and Compton events, to a signal processor where the samples are saved in a three-dimensional count matrix with time (from the time of onset of the pulse) on the first axis, sample pulse current amplitude on the second axis, and number of samples on the third axis. The stored data are analyzed to separate the Compton events from full-capture events, and the energy of the full-capture events is determined without having determined the energies of any of the individual radiation detector events.

  5. Rapid screening of novel nanoporous materials for carbon capture separations 

    E-Print Network [OSTI]

    Mangano, Enzo

    2013-07-01T23:59:59.000Z

    In this work the experimental results from the rapid screening and ranking of a wide range of novel adsorbents for carbon capture are presented. The samples were tested using the Zero Length Column (ZLC) method which has ...

  6. Stakeholder attitudes on carbon capture and storage -- An international comparison

    E-Print Network [OSTI]

    Johnsson, Filip

    This paper presents results from a survey on stakeholder attitudes towards Carbon Capture and Storage (CCS). The survey is the first to make a global comparison across three major regions; USA, Japan, and Europe. The ...

  7. Sandia National Laboratories: capture more wind with longer rotors

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

    capture more wind with longer rotors New Material Tests Show Biaxial Laminate Creep Is Important for Large Wind-Turbine Blades On April 1, 2014, in Energy, News, News & Events,...

  8. Low-energy capture of asteroids onto KAM tori

    E-Print Network [OSTI]

    Patricia E. Verrier; Colin R. McInnes

    2015-01-13T23:59:59.000Z

    We present a new method for engineering the artificial capture of asteroids. Based on theories of the chaos-assisted capture of natural satellites of the giant planets, we show how an unbound asteroid that passes close to a regular region of phase space can be easily moved onto the nearby KAM tori and essentially permanently captured with the Earth's Hill sphere without closing the zero velocity curves. The method has the advantages of a relatively low delta-v requirement and no need for control strategies. An illustration of the method is given for an example asteroid trajectory, demonstrating that it is a viable strategy for the final capture stage of asteroids in the Earth's neighbourhood.

  9. Radiobiology of normal rat lung in Boron Neutron Capture Therapy

    E-Print Network [OSTI]

    Kiger, Jingli Liu

    2006-01-01T23:59:59.000Z

    Boron Neutron Capture Therapy (BNCT) is a binary cancer radiation therapy that utilizes biochemical tumor cell targeting and provides a mixed field of high and low Linear Energy Transfer (LET) radiation with differing ...

  10. Capturing Data Uncertainty in High-Volume Stream Processing

    E-Print Network [OSTI]

    Diao, Yanlei; Liu, Anna; Peng, Liping; Sutton, Charles; Tran, Thanh; Zink, Michael

    2009-01-01T23:59:59.000Z

    We present the design and development of a data stream system that captures data uncertainty from data collection to query processing to final result generation. Our system focuses on data that is naturally modeled as continuous random variables. For such data, our system employs an approach grounded in probability and statistical theory to capture data uncertainty and integrates this approach into high-volume stream processing. The first component of our system captures uncertainty of raw data streams from sensing devices. Since such raw streams can be highly noisy and may not carry sufficient information for query processing, our system employs probabilistic models of the data generation process and stream-speed inference to transform raw data into a desired format with an uncertainty metric. The second component captures uncertainty as data propagates through query operators. To efficiently quantify result uncertainty of a query operator, we explore a variety of techniques based on probability and statisti...

  11. Some Y-12 stories captured by Bill Wilcox

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

    Y-12 stories captured by Bill Wilcox One of the reference books I keep open on my desk is An Overview of the History of Y-12, 1942-1992- A Chronology of Some Noteworthy Events and...

  12. Perspectives on Carbon Capture and Sequestration in the United States

    E-Print Network [OSTI]

    Wong-Parodi, Gabrielle

    2011-01-01T23:59:59.000Z

    acceptance of carbon dioxide storage Energy Policy 35 2780–carbon dioxide capture and storage RD&D roadmap; National EnergyEnergy 2006 Sequestration test to demonstrate carbon dioxide storage

  13. Multiplexed photography : single-exposure capture of multiple camera settings

    E-Print Network [OSTI]

    Green, Paul Elijah

    2009-01-01T23:59:59.000Z

    The space of camera settings is large and individual settings can vary dramatically from scene to scene. This thesis explores methods for capturing and manipulating multiple camera settings in a single exposure. Multiplexing ...

  14. Marine transportation for Carbon Capture and Sequestration (CCS)

    E-Print Network [OSTI]

    Alexandrakis, Mary-Irene

    2010-01-01T23:59:59.000Z

    The objective of this report is to determine whether opportunities to use liquefied carbon dioxide carriers as part of a carbon capture and storage system will exist over the next twenty years. Factors that encourage or ...

  15. Value Capture in the Global Wind Energy Industry

    E-Print Network [OSTI]

    Dedrick, Jason; Kraemer, Kenneth L.

    2011-01-01T23:59:59.000Z

    of manufacturing. April 18. Wind Directions (2007). SupplyJan/Feb. 27-34. Appendix. Illustrative wind supply chainValue capture n.a. Source: Wind Directions, 2007; authors

  16. Policy learning : new challenges for smart value capture in Colombia

    E-Print Network [OSTI]

    Acosta, Patricia, S.M. Massachusetts Institute of Technology

    2008-01-01T23:59:59.000Z

    Contribucion por Valorizacion is a form of value capture similar to Special Assessment, used in Colombia to complement Local revenues for major public infrastructure programs. SA's continued use countrywide and its resulting ...

  17. Halogenated sulfidohydroboranes for nuclear medicine and boron neutron capture therapy

    DOE Patents [OSTI]

    Miura, Michiko (Hampton Bays, NY); Slatkin, Daniel N. (Southold, NY)

    1997-03-18T23:59:59.000Z

    A method for performing boron neutron capture therapy for the treatment of tumors is disclosed. The method includes administering to a patient an iodinated sulfidohydroborane, a boron-10-containing compound. The site of the tumor is localized by visualizing the increased concentration of the iodine labelled compound at the tumor. The targeted tumor is then irradiated with a beam of neutrons having an energy distribution effective for neutron capture. Destruction of the tumor occurs due to high LET particle irradiation of the tissue secondary to the incident neutrons being captured by the boron-10 nuclei. Iodinated sulfidohydroboranes are disclosed which are especially suitable for the method of the invention. In a preferred embodiment, a compound having the formula Na.sub.4 B.sub.12 I.sub.11 SSB.sub.12 I.sub.11, or another pharmaceutically acceptable salt of the compound, may be administered to a cancer patient for boron neutron capture therapy.

  18. Halogenated sulfidohydroboranes for nuclear medicine and boron neutron capture therapy

    DOE Patents [OSTI]

    Miura, Michiko (Hampton Bays, NY); Slatkin, Daniel N. (Southold, NY)

    1995-10-03T23:59:59.000Z

    A method for performing boron neutron capture therapy for the treatment of tumors is disclosed. The method includes administering to a patient an iodinated sulfidohydroborane, a boron-10-containing compound. The site of the tumor is localized by visualizing the increased concentration of the iodine labelled compound at the tumor. The targeted tumor is then irradiated with a beam of neutrons having an energy distribution effective for neutron capture. Destruction of the tumor occurs due to high LET particle irradiation of the tissue secondary to the incident neutrons being captured by the boron-10 nuclei. Iodinated sulfidohydroboranes are disclosed which are especially suitable for the method of the invention. In a preferred embodiment, a compound having the formula Na.sub.4 B.sub.12 I.sub.11 SSB.sub.12 I.sub.11, or another pharmaceutically acceptable salt of the compound, may be administered to a cancer patient for boron neutron capture therapy.

  19. Halogenated sulfidohydroboranes for nuclear medicine and boron neutron capture therapy

    DOE Patents [OSTI]

    Miura, Michiko (Hampton Bays, NY); Slatkin, Daniel N. (Southold, NY)

    1997-08-05T23:59:59.000Z

    A method for performing boron neutron capture therapy for the treatment of tumors is disclosed. The method includes administering to a patient an iodinated sulfidohydroborane, a boron-10-containing compound. The site of the tumor is localized. by visualizing the increased concentration of the iodine labelled compound at the tumor. The targeted tumor is then irradiated with a beam of neutrons having an energy distribution effective for neutron capture. Destruction of the tumor occurs due to high LET particle irradiation of the tissue secondary to the incident neutrons being captured by the boron-10 nuclei. Iodinated sulfidohydroboranes are disclosed which are especially suitable for the method of the invention. In a preferred embodiment, a compound having the formula Na.sub.4 B.sub.12 I.sub.11 SSB.sub.12 I.sub.11, or another pharmaceutically acceptable salt of the compound, may be administered to a cancer patient for boron neutron capture therapy.

  20. Perspectives on Carbon Capture and Sequestration in the United States

    E-Print Network [OSTI]

    Wong-Parodi, Gabrielle

    2011-01-01T23:59:59.000Z

    E A and Keith D W 1998 Fossil fuels without CO 2 emissionsCapture and Storage from Fossil Fuel Use,” contribution toIPCC) is established • Fossil-fuel and other U.S. industries

  1. Bioinspired Multivalent DNA Network for Capture and Release of Cells

    E-Print Network [OSTI]

    Zhao, Weian

    Capture and isolation of flowing cells and particulates from body fluids has enormous implications in diagnosis, monitoring, and drug testing, yet monovalent adhesion molecules used for this purpose result in inefficient ...

  2. CO? compression for capture-enabled power systems

    E-Print Network [OSTI]

    Suri, Rajat

    2009-01-01T23:59:59.000Z

    The objective of this thesis is to evaluate a new carbon dioxide compression technology - shock compression - applied specifically to capture-enabled power plants. Global warming has increased public interest in carbon ...

  3. Femto-photography: capturing and visualizing the propagation of light

    E-Print Network [OSTI]

    Velten, Andreas

    We present femto-photography, a novel imaging technique to capture and visualize the propagation of light. With an effective exposure time of 1.85 picoseconds (ps) per frame, we reconstruct movies of ultrafast events at ...

  4. Ownership of Carbon Dioxide Captured by Clean Coal Project (Texas)

    Broader source: Energy.gov [DOE]

    This legislation stipulates that the Railroad Commission of Texas automatically acquires the title to any carbon dioxide captured by a clean coal project in the state. The Bureau of Economic...

  5. Halogenated sulfidohydroboranes for nuclear medicine and boron neutron capture therapy

    DOE Patents [OSTI]

    Miura, M.; Slatkin, D.N.

    1997-08-05T23:59:59.000Z

    A method for performing boron neutron capture therapy for the treatment of tumors is disclosed. The method includes administering to a patient an iodinated sulfidohydroborane, a boron-10-containing compound. The site of the tumor is localized by visualizing the increased concentration of the iodine labelled compound at the tumor. The targeted tumor is then irradiated with a beam of neutrons having an energy distribution effective for neutron capture. Destruction of the tumor occurs due to high LET particle irradiation of the tissue secondary to the incident neutrons being captured by the boron-10 nuclei. Iodinated sulfidohydroboranes are disclosed which are especially suitable for the method of the invention. In a preferred embodiment, a compound having the formula Na{sub 4}B{sub 12}I{sub 11}SSB{sub 12}I{sub 11}, or another pharmaceutically acceptable salt of the compound, may be administered to a cancer patient for boron neutron capture therapy. 1 fig.

  6. Halogenated sulfidohydroboranes for nuclear medicine and boron neutron capture therapy

    DOE Patents [OSTI]

    Miura, M.; Slatkin, D.N.

    1997-03-18T23:59:59.000Z

    A method for performing boron neutron capture therapy for the treatment of tumors is disclosed. The method includes administering to a patient an iodinated sulfidohydroborane, a boron-10-containing compound. The site of the tumor is localized by visualizing the increased concentration of the iodine labelled compound at the tumor. The targeted tumor is then irradiated with a beam of neutrons having an energy distribution effective for neutron capture. Destruction of the tumor occurs due to high LET particle irradiation of the tissue secondary to the incident neutrons being captured by the boron-10 nuclei. Iodinated sulfidohydroboranes are disclosed which are especially suitable for the method of the invention. In a preferred embodiment, a compound having the formula Na{sub 4}B{sub 12}I{sub 11}SSB{sub 12}I{sub 11}, or another pharmaceutically acceptable salt of the compound, may be administered to a cancer patient for boron neutron capture therapy. 1 fig.

  7. Halogenated sulfidohydroboranes for nuclear medicine and boron neutron capture therapy

    DOE Patents [OSTI]

    Miura, M.; Slatkin, D.N.

    1995-10-03T23:59:59.000Z

    A method for performing boron neutron capture therapy for the treatment of tumors is disclosed. The method includes administering to a patient an iodinated sulfidohydroborane, a boron-10-containing compound. The site of the tumor is localized by visualizing the increased concentration of the iodine labelled compound at the tumor. The targeted tumor is then irradiated with a beam of neutrons having an energy distribution effective for neutron capture. Destruction of the tumor occurs due to high LET particle irradiation of the tissue secondary to the incident neutrons being captured by the boron-10 nuclei. Iodinated sulfidohydroboranes are disclosed which are especially suitable for the method of the invention. In a preferred embodiment, a compound having the formula Na{sub 4}B{sub 12}I{sub 11}SSB{sub 12}I{sub 11}, or another pharmaceutically acceptable salt of the compound, may be administered to a cancer patient for boron neutron capture therapy. 1 fig.

  8. Computational aspects of treatment planning for neutron capture therapy

    E-Print Network [OSTI]

    Albritton, James Raymond, 1977-

    2010-01-01T23:59:59.000Z

    Boron Neutron Capture Therapy (BNCT) is a biochemically targeted form of binary radiation therapy that has the potential to deliver radiation to cancers with cellular dose selectivity. Accurate and efficient treatment ...

  9. Findings and Recommendations by the California Carbon Capture and Storage Review Panel

    E-Print Network [OSTI]

    Sequestration Partnership #12;Findings and Recommendations by the California Carbon Capture and Storage ReviewFindings and Recommendations by the California Carbon Capture and Storage Review Panel December............................................................................1 Creation of the Carbon Capture and Storage Review Panel

  10. Conceptual Design of Optimized Fossil Energy Systems with Capture and Sequestration of Carbon Dioxide

    E-Print Network [OSTI]

    Ogden, Joan

    2004-01-01T23:59:59.000Z

    of Fossil Hydrogen Energy Systems with Carbon Capture andThe Implications Of New Carbon Capture And SequestrationW H SAMMIS WILLOW ISLAND TOTAL Carbon capture In the plant

  11. Borehole EM Monitoring at Aquistore: Final Report to the Carbon Capture Project (CCP)

    E-Print Network [OSTI]

    Daley, T.

    2014-01-01T23:59:59.000Z

    Report  to  Carbon Capture Project, Lawrence Berkeley Final Report to the Carbon Capture Project (CCP)  Thomas part of a program  of  carbon  capture  and storage  (CCS) 

  12. Economic and energetic analysis of capturing CO[subscript 2] from ambient air

    E-Print Network [OSTI]

    House, Kurt Zenz

    Capturing carbon dioxide from the atmosphere (“air capture”) in an industrial process has been proposed as an option for stabilizing global CO[subscript 2] concentrations. Published analyses suggest these air capture systems ...

  13. Motion dazzle and the effects of target patterning on capture success

    E-Print Network [OSTI]

    Hughes, Anna E.; Troscianko, Jolyon; Stevens, Martin

    2014-09-13T23:59:59.000Z

    capture, but are not uniquely difficult to catch, with luminance matched grey targets also showing a similar capture rate. We show that key factors in making capture easier are a lack of average background luminance matching and having trackable ‘features...

  14. Radiative Neutron Capture on Carbon-14 in Effective Field Theory

    E-Print Network [OSTI]

    Gautam Rupak; Lakma Fernando; Akshay Vaghani

    2012-04-19T23:59:59.000Z

    The cross section for radiative capture of neutron on carbon-14 is calculated using the model-independent formalism of halo effective field theory. The dominant contribution from E1 transition is considered, and the cross section is expressed in terms of elastic scattering parameters of the effective range expansion. Contributions from both resonant and non-resonant interaction are calculated. Significant interference between these leads to a capture contribution that deviates from simple Breit-Wigner resonance form.

  15. Recoilless Resonant Capture of Antineutrinos from Tritium Decay

    E-Print Network [OSTI]

    R. S. Raghavan

    2006-09-13T23:59:59.000Z

    Monoenergetic antineutrinos emitted in the bound state beta-decay of H can be resonantly captured in 3He. Favorable conditions are offered by tritide technology for ultra sharp recoilless resonant capture of the 18.6 keV nubare with sigma~5x10-32 cm2, 11 orders of magnitude larger than sigma(nubare +p). The gravitational red shift of neutrinos and the mixing angle theta13 may be measurable in bench scale baselines.

  16. Radiative Neutron Capture on Carbon-14 in Effective Field Theory

    E-Print Network [OSTI]

    Rupak, Gautam; Vaghani, Akshay

    2012-01-01T23:59:59.000Z

    The cross section for radiative capture of neutron on carbon-14 is calculated using the model-independent formalism of halo effective field theory. The dominant contribution from E1 transition is considered, and the cross section is expressed in terms of elastic scattering parameters of the effective range expansion. Contributions from both resonant and non-resonant interaction are calculated. Significant interference between these leads to a capture contribution that deviates from simple Breit-Wigner resonance form.

  17. Better Enzymes for Carbon Capture: Low-Cost Biological Catalyst to Enable Efficient Carbon Dioxide Capture

    SciTech Connect (OSTI)

    None

    2010-07-01T23:59:59.000Z

    IMPACCT Project: Codexis is developing new and efficient forms of enzymes known as carbonic anhydrases to absorb CO2 more rapidly and under challenging conditions found in the gas exhaust of coal-fired power plants. Carbonic anhydrases are common and are among the fastest enzymes, but they are not robust enough to withstand the harsh environment found in the power plant exhaust steams. In this project, Codexis will be using proprietary technology to improve the enzymes’ ability to withstand high temperatures and large swings in chemical composition. The project aims to develop a carbon-capture process that uses less energy and less equipment than existing approaches. This would reduce the cost of retrofitting today’s coal-fired power plants.

  18. Animal representations and animal remains at Çatalhöyük

    E-Print Network [OSTI]

    Russell, Nerissa; Meece, Stephanie

    2006-01-01T23:59:59.000Z

    (Level VII). Volcano above town plan, leopard skin above geometric design, or other representations? Level VI paintings lack fully convinc­ ing animal depictions. A patch of painting on the east wall of building VIA.66 includes a number of geomet­ ric... the centrepieces of the north walls of two rather similar buildings. In a sense they parallel the situation in the faunal assemblage, where cattle are not terribly common, but figure prominently in cer­ emonial consumption (see Russell & Martin, Volume 4...

  19. Inverse operator representations of quantum phase

    E-Print Network [OSTI]

    G. M. Saxena

    2008-03-14T23:59:59.000Z

    We define quantum phase in terms of inverses of annihilation and creation operators. We show that like Susskind - Glogower phase operators, the measured phase operators and the unitary phase operators can be defined in terms of the inverse operators. However, for the unitary phase operator the Hilbert space includes the negative energy states. The quantum phase in inverse operator representation may find the applications in the field of quantum optics particularly in the squeezed states.

  20. Virasoro Representations on (Diff S1)/S1 Coadjoint Orbits

    E-Print Network [OSTI]

    Washington Taylor IV

    1992-04-28T23:59:59.000Z

    A new set of realizations of the Virasoro algebra on a bosonic Fock space are found by explicitly computing the Virasoro representations associated with coadjoint orbits of the form (Diff S1) / S1. Some progress is made in understanding the unitary structure of these representations. The characters of these representations are exactly the bosonic partition functions calculated previously by Witten using perturbative and fixed-point methods. The representations corresponding to the discrete series of unitary Virasoro representations with c <= 1 are found to be reducible in this formulation, confirming a conjecture by Aldaya and Navarro-Salas.

  1. Optimal Design of a Fossil Fuel-Based Hydrogen Infrastructure with Carbon Capture and Sequestration: Case Study in Ohio

    E-Print Network [OSTI]

    Johnson, Nils; Yang, Christopher; Ni, Jason; Johnson, Joshua; Lin, Zhenhong; Ogden, Joan M

    2005-01-01T23:59:59.000Z

    Infrastructure with Carbon Capture and Sequestration: CaseINFRASTRUCTURE WITH CARBON CAPTURE AND SEQUESTRATION: CASEhydrogen production with carbon capture and sequestration,

  2. Conceptual Design of a Fossil Hydrogen Infrastructure with Capture and Sequestration of Carbon Dioxide: Case Study in Ohio

    E-Print Network [OSTI]

    2005-01-01T23:59:59.000Z

    ANNUAL CONFERENCE ON CARBON CAPTURE AND SEQUESTRATION DOE/energy systems with carbon capture and sequestration. Insources. Fossil H 2 with carbon capture and sequestration (

  3. Worker safety in a mature carbon capture and storage industry in the United States based upon analog industry experience

    E-Print Network [OSTI]

    Jordan, P.D.

    2014-01-01T23:59:59.000Z

    attributable to carbon capture and storage in 2050.safety in a mature carbon capture and storage industry insafety in a mature carbon capture and storage (CCS) industry

  4. Comparative Assessment of Status and Opportunities for CO2 Capture and Storage and Radioactive Waste Disposal in North America

    E-Print Network [OSTI]

    Oldenburg, C.

    2010-01-01T23:59:59.000Z

    and liability for carbon capture and sequestration, Environ.Wilson and Gerard, editors, Carbon Capture and SequestrationSpecial Report on carbon dioxide capture and storage, ISBN

  5. New Directions: Potential Climate and Productivity Benefits from CO2 Capture in Commercial Buildings

    E-Print Network [OSTI]

    Gall, Elliott T; Nazaroff, William W

    2015-01-01T23:59:59.000Z

    air capture technologies. Although the carbon in metaboliccarbon footprint of commercial build- ings through active CO 2 capture. For dilute CO 2 levels, adsorption technologies

  6. Motion Capture Based Animation for Virtual Human Demonstrators: Modeling, Parameterization and Planning

    E-Print Network [OSTI]

    Huang, Yazhou

    2012-01-01T23:59:59.000Z

    sive gaze animation for virtual humans. ” In Proceedings ofCapture Based Animation for Virtual Human Demonstrators:Capture Based Animation for Virtual Human Demonstrators:

  7. Capture Gamma-Ray Libraries for Nuclear Applications

    SciTech Connect (OSTI)

    Sleaford, B.W.; Firestone, Richard B.; Summers, N.; Escher, J.; Hurst, A.; Krticka, M.; Basunia, S.; Molnar, G.; Belgya, T.; Revay, Z.; Choi, H.D.

    2010-05-01T23:59:59.000Z

    The neutron capture reaction is useful in identifying and analyzing the gamma-ray spectrum from an unknown assembly as it gives unambiguous information on its composition. This can be done passively or actively where an external neutron source is used to probe an unknown assembly. There are known capture gamma-ray data gaps in the ENDF libraries used by transport codes for various nuclear applications. The Evaluated Gamma-ray Activation file (EGAF) is a new thermal neutron capture database of discrete line spectra and cross sections for over 260 isotopes that was developed as part of an IAEA Coordinated Research Project. EGAF has been used to improve the capture gamma production in ENDF libraries. For medium to heavy nuclei the quasi continuum contribution to the gamma cascades is not experimentally resolved. The continuum contains up to 90percent of all the decay energy an is modeled here with the statistical nuclear structure code DICEBOX. This code also provides a consistency check of the level scheme nuclear structure evaluation. The calculated continuum is of sufficient accuracy to include in the ENDF libraries. This analysis also determines new total thermal capture cross sections and provides an improved RIPL database. For higher energy neutron capture there is less experimental data available making benchmarking of the modeling codes more difficult. We use CASINO, a version of DICEBOX that is modified for this purpose. This can be used to simulate the neutron capture at incident neutron energies up to 20 MeV to improve the gamma-ray spectrum in neutron data libraries used for transport modelling of unknown assemblies.

  8. Membrane-based systems for carbon capture and hydrogen purification

    SciTech Connect (OSTI)

    Berchtold, Kathryn A [Los Alamos National Laboratory

    2010-11-24T23:59:59.000Z

    This presentation describes the activities being conducted at Los Alamos National Laboratory to develop carbon capture technologies for power systems. This work is aimed at continued development and demonstration of a membrane based pre- and post-combustion carbon capture technology and separation schemes. Our primary work entails the development and demonstration of an innovative membrane technology for pre-combustion capture of carbon dioxide that operates over a broad range of conditions relevant to the power industry while meeting the US DOE's Carbon Sequestration Program goals of 90% CO{sub 2} capture at less than a 10% increase in the cost of energy services. Separating and capturing carbon dioxide from mixed gas streams is a first and critical step in carbon sequestration. To be technically and economically viable, a successful separation method must be applicable to industrially relevant gas streams at realistic temperatures and pressures as well as be compatible with large gas volumes. Our project team is developing polymer membranes based on polybenzimidazole (PBI) chemistries that can purify hydrogen and capture CO{sub 2} at industrially relevant temperatures. Our primary objectives are to develop and demonstrate polymer-based membrane chemistries, structures, deployment platforms, and sealing technologies that achieve the critical combination of high selectivity, high permeability, chemical stability, and mechanical stability all at elevated temperatures (> 150 C) and packaged in a scalable, economically viable, high area density system amenable to incorporation into an advanced Integrated Gasification Combined-Cycle (IGCC) plant for pre-combustion CO{sub 2} capture. Stability requirements are focused on tolerance to the primary synthesis gas components and impurities at various locations in the IGCC process. Since the process stream compositions and conditions (temperature and pressure) vary throughout the IGCC process, the project is focused on the optimization of a technology that could be positioned upstream or downstream of one or more of the water-gas-shift reactors (WGSRs) or integrated with a WGSR.

  9. Combustion-Assisted CO2 Capture Using MECC Membranes

    SciTech Connect (OSTI)

    Sherman, Steven R [ORNL; Gray, Dr. Joshua R. [Savannah River National Laboratory (SRNL), Aiken, S.C.; Brinkman, Dr. Kyle S. [Savannah River National Laboratory (SRNL), Aiken, S.C.; Huang, Dr. Kevin [University of South Carolina, Columbia

    2012-01-01T23:59:59.000Z

    Mixed Electron and Carbonate ion Conductor (MECC) membranes have been proposed as a means to separate CO2 from power plant flue gas. Here a modified MECC CO2 capture process is analyzed that supplements retentate pressurization and permeate evacuation as a means to create a CO2 driving force with a process assisted by the catalytic combustion of syngas on the permeate side of the membrane. The combustion reactions consume transported oxygen, making it unavailable for the backwards transport reaction. With this change, the MECC capture system becomes exothermic, and steam for electricity production may be generated from the waste heat. Greater than 90% of the CO2 in the flue gas may be captured, and a compressed CO2 product stream is produced. A fossil-fueled power plant using this process would consume 14% more fuel per unit electricity produced than a power plant with no CO2 capture system, and has the potential to meet U.S. DOE s goal that deployment of a CO2 capture system at a fossil-fueled power plant should not increase the cost of electricity from the combined facility by more than 30%.

  10. NUCLEAR POWERED CO2 CAPTURE FROM THE ATMOSPHERE

    SciTech Connect (OSTI)

    Sherman, S

    2008-09-22T23:59:59.000Z

    A process for capturing CO{sub 2} from the atmosphere was recently proposed. This process uses a closed cycle of sodium and calcium hydroxide, carbonate, and oxide transformations to capture dilute CO{sub 2} from the atmosphere and to generate a concentrated stream of CO{sub 2} that is amenable to sequestration or subsequent chemical transformations. In one of the process steps, a fossil-fueled lime kiln is needed, which reduces the net CO{sub 2} capture of the process. It is proposed to replace the fossil-fueled lime kiln with a modified kiln heated by a high-temperature nuclear reactor. This will have the effect of eliminating the use of fossil fuels for the process and increasing the net CO{sub 2} capture. Although the process is suitable to support sequestration, the use of a nuclear power source for the process provides additional capabilities, and the captured CO{sub 2} may be combined with nuclear-produced hydrogen to produce liquid fuels via Fischer-Tropsch synthesis or other technologies. Conceivably, such plants would be carbon-neutral, and could be placed virtually anywhere without being tied to fossil fuel sources or geological sequestration sites.

  11. COMBUSTION-ASSISTED CO2 CAPTURE USING MECC MEMBRANES

    SciTech Connect (OSTI)

    Brinkman, K.; Gray, J.

    2012-03-30T23:59:59.000Z

    Mixed Electron and Carbonate ion Conductor (MECC) membranes have been proposed as a means to separate CO{sub 2} from power plant flue gas. Here a modified MECC CO{sub 2} capture process is analyzed that supplements retentate pressurization and permeate evacuation as a means to create a CO{sub 2} driving force with a process assisted by the catalytic combustion of syngas on the permeate side of the membrane. The combustion reactions consume transported oxygen, making it unavailable for the backwards transport reaction. With this change, the MECC capture system becomes exothermic, and steam for electricity production may be generated from the waste heat. Greater than 90% of the CO{sub 2} in the flue gas may be captured, and a compressed CO{sub 2} product stream is produced. A fossil-fueled power plant using this process would consume 14% more fuel per unit electricity produced than a power plant with no CO{sub 2} capture system, and has the potential to meet U.S. DOE's goal that deployment of a CO{sub 2} capture system at a fossil-fueled power plant should not increase the cost of electricity from the combined facility by more than 30%.

  12. Hypervelocity Capture of Meteoritic Particles in Nonsilica Aerogels

    SciTech Connect (OSTI)

    S Jones; G Flynn

    2011-12-31T23:59:59.000Z

    The Stardust mission captured particles from the comet 81P/Wild 2 in gradient density silica aerogel and returned the collected samples to earth in 2006. The analyses of these particles have revealed several new insights into the formation of our solar system. However, since the aerogel used as the capture material was silica, the elemental analyses of the silica-rich particles were made more complicated in certain ways due to the mixing of the silicon of the particles and that of the aerogel. By using a nonsilica aerogel, future elemental analyses of silica-rich particles captured in aerogel could be made more straightforward. Resorcinol/formaldehyde (RF), alumina, and zirconia aerogels were impact tested with meteoritic fragments and the captured fragments were mapped with synchrotron-based X-ray microprobe (XRM) and the particles were analyzed with X-ray fluorescence (XRF). The resorcinol/formaldehyde aerogel proved to be the best capture material, in that it could be keystoned and XRF could be used to locate and analyze particles that were less than 10 {micro}m.

  13. Representations of groups of order 16

    E-Print Network [OSTI]

    McCarthy, Edmond Robert

    1966-01-01T23:59:59.000Z

    , 16) K - {10, 14) The analysis al. so shows that G contains three subgroups H. of order 2; only one of which is normal. This is the i subgroup consisting of the elements (1, 5}. The factor group G/H is isomorphic to C 4 C2. Since the Cayley table..., 13 10, 14 11, 15 37 With this correspondence established we need only refer back to Table II, the character table of C 4 C2, to begin writing out representations of Group Six. For example, in Table II we find D&(3) = -1. If TK...

  14. Supported polyethylenimine adsorbents for CO2 capture from flue gas

    SciTech Connect (OSTI)

    Fauth, D.J.; Gray, M.L.; Pennline, H.W.

    2008-10-01T23:59:59.000Z

    Anthropogenic CO2 emissions produced from fossil fuel combustion are believed to contribute to undesired consequences in global climate. Major contributors towards CO2 emissions are fossil fuel-fired power plants for electricity production. For this reason, CO2 capture from flue gas streams together with permanent sequestration in geologic formations is being considered a viable solution towards mitigation of the major greenhouse gas1. Technologies based on chemical absorption with alkanolamines have been assessed for first generation CO2 post-combustion capture primarily due to its advanced stage of development. However, limitations associated with these chemical solvents (i.e., low CO2 loadings, amine degradation by oxygen, equipment corrosion) manifest themselves in high capital and operating costs with reduced thermal efficiencies. Therefore, necessary design and development of alternative, lower cost approaches for CO2 capture from coal-fired combustion streams are warranted.

  15. Guidelines for carbon dioxide capture, transport and storage

    SciTech Connect (OSTI)

    Hanson, S.

    2008-07-01T23:59:59.000Z

    The goal of this effort was to develop a set of preliminary guidelines and recommendations for the deployment of carbon capture and storage (CCS) technologies in the United States. The CCS Guidelines are written for those who may be involved in decisions on a proposed project: the developers, regulators, financiers, insurers, project operators, and policymakers. Contents are: Part 1: introduction; Part 2: capture; Part 3: transport; Part 4; storage; Part. 5 supplementary information. Within these parts, eight recommended guidelines are given for: CO{sub 2} capture; ancillary environmental impacts from CO{sub 2}; pipeline design and operation; pipeline safety and integrity; siting CO{sub 2} pipelines; pipeline access and tariff regulation; guidelines for (MMV); risk assessment; financial responsibility; property rights and ownership; site selection and characterisation; injection operations; site closure; and post-closure. 18 figs., 9 tabs., 4 apps.

  16. Wide-Bandwidth Capture of Wire-Scanner Signals

    SciTech Connect (OSTI)

    Gruchalla, Michael E. [Los Alamos National Laboratory; Gilpatrick, John D. [Los Alamos National Laboratory; Sedillo, James Daniel [Los Alamos National Laboratory; Martinez, Derwin [Los Alamos National Laboratory

    2012-05-16T23:59:59.000Z

    Integrated charge collected on the sense wires of wire-scanner systems utilized to determine beam profile is generally the parameter of interest. The LANSCE application requires capturing the charge information macropulse-by-macropulse with macropulse lengths as long as 700 {micro}s at a maximum macropulse rate of 120 Hz. Also, for the LANSCE application, it is required that the integration be performed in a manner that does not require integrator reset between macropulses. Due to the long macropulse which must be accommodated and the 8.33 ms minimum pulse period, a simple R-C integrator cannot be utilized since there is insufficient time between macropulses to allow the integrator to adequately recover. The application of wide analog bandwidth to provide accurate pulse-by-pulse capture of the wire signals with digital integration of the wire signals to determine captured charge at each macropulse in applications with comparatively long macropulses and high pulse repetition rates is presented.

  17. Actuarial risk assessment of expected fatalities attributable to carbon capture and storage in 2050

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    1 Actuarial risk assessment of expected fatalities attributable to carbon capture and storage : 10.1016/j.ijggc.2011.07.004 #12;2 1. Introduction Carbon capture and storage (CCS) involves capturing of carbon and the cost of capture. From the engineering, psychological or climatic point of view, one

  18. Economic and energetic analysis of capturing CO2 from ambient air

    E-Print Network [OSTI]

    Economic and energetic analysis of capturing CO2 from ambient air Kurt Zenz Housea,b,1 , Antonio C for review August 20, 2010) Capturing carbon dioxide from the atmosphere ("air capture") in an industrial suggest these air capture systems may cost a few hundred dollars per tonne of CO2, making it cost

  19. Monte Carlo beam capture and charge breeding simulation

    SciTech Connect (OSTI)

    Kim, J.S.; Liu, C.; Edgell, D.H.; Pardo, R. [FAR-TECH, Inc., 10350 Science Center Drive, San Diego, California 92121 (United States); FAR-TECH, Inc., 10350 Science Center Drive, San Diego, California 92121 (United States) and University of Rochester, Rochester, New York (United States); Argonne National Laboratory, Argonne, Illinois (United States)

    2006-03-15T23:59:59.000Z

    A full six-dimensional (6D) phase space Monte Carlo beam capture charge-breeding simulation code examines the beam capture processes of singly charged ion beams injected to an electron cyclotron resonance (ECR) charge breeder from entry to exit. The code traces injected beam ions in an ECR ion source (ECRIS) plasma including Coulomb collisions, ionization, and charge exchange. The background ECRIS plasma is modeled within the current frame work of the generalized ECR ion source model. A simple sample case of an oxygen background plasma with an injected Ar +1 ion beam produces lower charge breeding efficiencies than experimentally obtained. Possible reasons for discrepancies are discussed.

  20. Method for high temperature mercury capture from gas streams

    DOE Patents [OSTI]

    Granite, E.J.; Pennline, H.W.

    2006-04-25T23:59:59.000Z

    A process to facilitate mercury extraction from high temperature flue/fuel gas via the use of metal sorbents which capture mercury at ambient and high temperatures. The spent sorbents can be regenerated after exposure to mercury. The metal sorbents can be used as pure metals (or combinations of metals) or dispersed on an inert support to increase surface area per gram of metal sorbent. Iridium and ruthenium are effective for mercury removal from flue and smelter gases. Palladium and platinum are effective for mercury removal from fuel gas (syngas). An iridium-platinum alloy is suitable for metal capture in many industrial effluent gas streams including highly corrosive gas streams.

  1. Muon capture for the front end of a muon collider

    SciTech Connect (OSTI)

    Neuffer, D.; /Fermilab; Yoshikawa, C.; /MUONS Inc., Batavia

    2011-03-01T23:59:59.000Z

    We discuss the design of the muon capture front end for a {mu}{sup +}-{mu}{sup -} Collider. In the front end, a proton bunch on a target creates secondary pions that drift into a capture transport channel, decaying into muons. A sequence of rf cavities forms the resulting muon beams into strings of bunches of differing energies, aligns the bunches to (nearly) equal central energies, and initiates ionization cooling. The muons are then cooled and accelerated to high energy into a storage ring for high-energy high luminosity collisions. Our initial design is based on the somewhat similar front end of the International Design Study (IDS) neutrino factory.

  2. Mercury capture by aerosol transformation in combustion environments. Appendix 5

    SciTech Connect (OSTI)

    NONE

    1997-02-01T23:59:59.000Z

    Aerosol transformation of elemental mercury by oxidizing mercury in the air is investigated in this study by varying temperature and residence time. The experimental results show that mercury oxidation is not important at the temperature range and time scale studied. The rate of mercury oxidation is too slow that the capture of mercury vapor by transforming it into mercury oxide in aerosol phase is not practical in real systems. Studies are needed for alternative approaches to capture mercury vapor such as the use of sorbent materials.

  3. Carbon Capture and Storage from Industrial Sources | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platformBuilding RemovalCSS Letter -SeptemberWorkshop |CapturingCarbon Capture

  4. Fusion Algebras Induced by Representations of the Modular Group

    E-Print Network [OSTI]

    W. Eholzer

    1992-11-27T23:59:59.000Z

    Using the representation theory of the subgroups SL_2(Z_p) of the modular group we investigate the induced fusion algebras in some simple examples. Only some of these representations lead to 'good' fusion algebras. Furthermore, the conformal dimensions and the central charge of the corresponding rational conformal field theories are calculated. Two series of representations which can be realized by unitary theories are presented. We show that most of the fusion algebras induced by admissible representations are realized in well known rational models.

  5. Composite Membranes for CO2 Capture: High Performance Metal Organic Frameworks/Polymer Composite Membranes for Carbon Dioxide Capture

    SciTech Connect (OSTI)

    None

    2010-07-01T23:59:59.000Z

    IMPACCT Project: A team of six faculty members at Georgia Tech are developing an enhanced membrane by fitting metal organic frameworks, compounds that show great promise for improved carbon capture, into hollow fiber membranes. This new material would be highly efficient at removing CO2 from the flue gas produced at coal-fired power plants. The team is analyzing thousands of metal organic frameworks to identify those that are most suitable for carbon capture based both on their ability to allow coal exhaust to pass easily through them and their ability to select CO2 from that exhaust for capture and storage. The most suitable frameworks would be inserted into the walls of the hollow fiber membranes, making the technology readily scalable due to their high surface area. This composite membrane would be highly stable, withstanding the harsh gas environment found in coal exhaust.

  6. CO2 Capture with Liquid-to-Solid Absorbents: CO2 Capture Process Using Phase-Changing Absorbents

    SciTech Connect (OSTI)

    None

    2010-10-01T23:59:59.000Z

    IMPACCT Project: GE and the University of Pittsburgh are developing a unique CO2 capture process in which a liquid absorbent, upon contact with CO2, changes into a solid phase. Once in solid form, the material can be separated and the CO2 can be released for storage by heating. Upon heating, the absorbent returns to its liquid form, where it can be reused to capture more CO2. The approach is more efficient than other solventbased processes because it avoids the heating of extraneous solvents such as water. This ultimately leads to a lower cost of CO2 capture and will lower the additional cost to produce electricity for coal-fired power plants that retrofit their facilities to include this technology.

  7. Decay Oscillations in Electron Capture and the Neutrino Mass Difference

    E-Print Network [OSTI]

    Murray Peshkin

    2014-03-17T23:59:59.000Z

    Quantum mechanical theory disallows the model that has been used to infer the neutrino mass difference from the reported "GSI oscillations" in the rates of decay of hydrogen-like ions by electron capture. It has not been proved that the existence of mass-difference-dependent oscillations conflicts with quantum mechanics but no consistent quantum mechanical model has been shown to predict them.

  8. 22 carbon capture journal -March -April 2008 Transport and Storage

    E-Print Network [OSTI]

    22 carbon capture journal - March - April 2008 Transport and Storage Transport and storage research- ing invested into a study into suitable carbon storage sites in Wellsville, Ohio, according to local Omnibus Spending bill. Coolimba and CO2CRC in major CO2 storage study www.coolimbapower.com.au Coolimba

  9. Capturing Human Hand Kinematics for Object Grasping and Manipulation

    E-Print Network [OSTI]

    Ghosh, Shramana

    2013-04-25T23:59:59.000Z

    The aim of this thesis is to create a low-cost sensor equipped glove using commercially available components that can be used to obtain position, velocity and acceleration data for individual fingers of a hand within an optical motion capture...

  10. Global ecosystem services With their ability to capture and store

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Locatelli Carbon sequestration is recognised as a global ecosystem service (see box on next page such as the global climate (through carbon sequestration), the quantity and quality of water and the force of windsS Global ecosystem services With their ability to capture and store carbon, forests contribute

  11. Neutron-Capture Element Trends in the Halo

    E-Print Network [OSTI]

    C. Sneden; J. J. Cowan; J. W. Truran

    2001-01-24T23:59:59.000Z

    In a brief review of abundances neutron-capture elements (Z > ~30) in metal-poor halo stars, attention is called to their star-to-star scatter, the dominance of r-process synthesis at lowest metallicities, the puzzle of the lighter members of this element group, and the possibility of a better r-/s-process discriminant.

  12. Flawed analysis of the possibility of air capture

    E-Print Network [OSTI]

    and energetic analysis of cap- turing CO2 from ambient air," House et al. (1) drew an analogy between air, New York, NY 10027; and c Global Thermostat, New York, NY 10025 1. House KZ, et al. (2011) Economic and energetic analysis of capturing CO2 from ambient air. Proc Natl Acad Sci USA 108:20428­20433. 2. Lackner K

  13. Neutron-capture nucleosynthesis in the first stars

    SciTech Connect (OSTI)

    Roederer, Ian U. [Department of Astronomy, University of Michigan, 500 Church Street, Ann Arbor, MI 48109 (United States); Preston, George W.; Thompson, Ian B.; Shectman, Stephen A. [Carnegie Observatories, 813 Santa Barbara Street, Pasadena, CA 91101 (United States); Sneden, Christopher, E-mail: iur@umich.edu [Department of Astronomy, University of Texas at Austin, 1 University Station C1400, Austin, TX 78712 (United States)

    2014-04-01T23:59:59.000Z

    Recent studies suggest that metal-poor stars enhanced in carbon but containing low levels of neutron-capture elements may have been among the first to incorporate the nucleosynthesis products of the first generation of stars. We have observed 16 stars with enhanced carbon or nitrogen using the MIKE Spectrograph on the Magellan Telescopes at Las Campanas Observatory and the Tull Spectrograph on the Smith Telescope at McDonald Observatory. We present radial velocities, stellar parameters, and detailed abundance patterns for these stars. Strontium, yttrium, zirconium, barium, europium, ytterbium, and other heavy elements are detected. In four stars, these heavy elements appear to have originated in some form of r-process nucleosynthesis. In one star, a partial s-process origin is possible. The origin of the heavy elements in the rest of the sample cannot be determined unambiguously. The presence of elements heavier than the iron group offers further evidence that zero-metallicity rapidly rotating massive stars and pair instability supernovae did not contribute substantial amounts of neutron-capture elements to the regions where the stars in our sample formed. If the carbon- or nitrogen-enhanced metal-poor stars with low levels of neutron-capture elements were enriched by products of zero-metallicity supernovae only, then the presence of these heavy elements indicates that at least one form of neutron-capture reaction operated in some of the first stars.

  14. Electron-capture delayed fission properties of [sup 228]Np

    SciTech Connect (OSTI)

    Kreek, S.A.; Hall, H.L.; Gregorich, K.E.; Henderson, R.A.; Leyba, J.D.; Czerwinski, K.R.; Kadkhodayan, B.; Neu, M.P.; Kacher, C.D.; Hamilton, T.M.; Lane, M.R.; Sylwester, E.R.; Tuerler, A.; Lee, D.M.; Nurmia, M.J.; Hoffman, D.C. (Chemistry Department, University of California, Berkeley, California 94720 (United States) Nuclear Science Division, Lawrence Berkeley Laboratory, MS-70A/3307 Berkeley, California 94720 (United States))

    1994-11-01T23:59:59.000Z

    Electron-capture delayed fission was positively identified for the first time in [sup 228]Np produced via the [sup 233]U(50-MeV [ital p],6[ital n])[sup 228]Np reaction. The half-life of the observed fission activity was measured to be 61.4[plus minus]1.4 s. The ECDF mode was verified by an x-ray--fission coincidence experiment. Only about 25% of the expected x-ray--fission coincidences were detected which indicates that [sup 228]U does not have a fission isomer populated by the electron-capture and that the overall lifetime of the high-energy states populated by the electron-capture is less than about 10[sup [minus]17] s. The fission activity was assigned to ECDF of [sup 228]Np based on chemical separation and observation of known progeny activities. The ratio of electron-capture to alpha decay is 1.5[plus minus]0.4 for [sup 228]Np. The production cross section for [sup 228]Np is 35[plus minus]10 [mu]b and the delayed fission probability is (2.0[plus minus]0.9)[times]10[sup [minus]4]. The kinetic energies of coincident fission fragments were measured and a pre-neutron emission, most probable total kinetic energy, of 169[plus minus]6 MeV was obtained. The mass-yield distribution was found to be predominantly asymmetric.

  15. Capturing Carbon Will it work to cool the world?

    E-Print Network [OSTI]

    Calgary, University of

    Capturing Carbon Will it work to cool the world? Speakers: Dr. Malcolm Wilson Chief Executive in Exploration Geophysics Department of Geoscience, University of Calgary Theme Leader for Secure Carbon Storage, Carbon Management Canada Don Wharton Vice-President, Sustainable Development TransAlta Corporation

  16. Chemical Looping Combustion for inherent CO2 capture in a

    E-Print Network [OSTI]

    Evaluate CLC using syngas as fuel Effect of fuel Effect of operating conditions Use CLC for CO2-capture Reactor System O2,N2 CO2,H2O To CO2 recovery and compression #12;15 Clean syngas from different gasifiers

  17. Capture zone design for a contaminated shallow unconfined aquifer

    E-Print Network [OSTI]

    Cann, Eric Roy

    1997-01-01T23:59:59.000Z

    from the early 1950's to 1987. The extent of the ground water contamination has impacted City of Austin properties, private residential areas, and is migrating towards the Colorado River to the South. A capture zone is proposed to stop the contaminants...

  18. Proceedings of the first international symposium on neutron capture therapy

    SciTech Connect (OSTI)

    Fairchild, R.G.; Brownell, G.L. (eds.)

    1982-01-01T23:59:59.000Z

    This meeting was arranged jointly by MIT and BNL in order to illuminate progress in the synthesis and targeting of boron compounds and to evaluate and document progress in radiobiological and dosimetric aspects of neutron capture therapy. It is hoped that this meeting will facilitate transfer of information between groups working in these fields, and encourage synergistic collaboration.

  19. CO2 Capture by Absorption with Potassium Carbonate

    E-Print Network [OSTI]

    Rochelle, Gary T.

    CO2 Capture by Absorption with Potassium Carbonate Third Quarterly Report 2005 Quarterly Progress absorption/stripping by developing an alternative solvent, aqueous K2CO3 promoted by piperazine. Modeling.................................................................................................................................. 11 Task 1 ­ Modeling Performance of Absorption/Stripping of CO2 with Aqueous K2CO3 Promoted

  20. CO2 Capture by Absorption with Potassium Carbonate

    E-Print Network [OSTI]

    Rochelle, Gary T.

    CO2 Capture by Absorption with Potassium Carbonate Fourth Quarterly Report 2005 Quarterly Progress absorption/stripping by developing an alternative solvent, aqueous K2CO3 promoted by piperazine. In Campaign.................................................................................................................................... 9 Task 1 ­ Modeling Performance of Absorption/Stripping of CO2 with Aqueous K2CO3 Promoted

  1. THE BASELINE POSITRON PRODUCTION AND CAPTURE SCHEME FOR CLIC

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    THE BASELINE POSITRON PRODUCTION AND CAPTURE SCHEME FOR CLIC O. Dadoun , I. Chaikovska, P. Lepercq chan- neling as the baseline for unpolarised positron production. The hybrid source uses a few GeV electron beam imping- ing on a tungsten crystal target. With the crystal oriented on its axis

  2. Measurement of neutron capture on 50Ti at thermonuclear energies

    E-Print Network [OSTI]

    P. V. Sedyshev; P. Mohr; H. Beer; H. Oberhummer; Yu. P. Popov; W. Rochow

    1999-07-28T23:59:59.000Z

    At the Karlsruhe and Tuebingen 3.75 MV Van de Graaff accelerators the thermonuclear 50Ti(n,gamma)51Ti(5.8 min) cross section was measured by the fast cyclic activation technique via the 320.852 and 928.65 keV gamma-ray lines of the 51Ti-decay. Metallic Ti samples of natural isotopic composition and samples of TiO2 enriched in 50Ti by 67.53 % were irradiated between two gold foils which served as capture standards. The capture cross-section was measured at the neutron energies 25, 30, 52, and 145 keV, respectively. The direct capture cross section was determined to be 0.387 +/- 0.011 mbarn at 30 keV. We found evidence for a bound state s-wave resonance with an estimated radiative width of 0.34 eV which destructively interfers with direct capture. The strength of a suggested s-wave resonance at 146.8 keV was determined. The present data served to calculate, in addition to the directly measured Maxwellian averaged capture cross sections at 25 and 52 keV, an improved stellar 50Ti(n,gamma)51Ti rate in the thermonuclear energy region from 1 to 250 keV. The new stellar rate leads at low temperatures to much higher values than the previously recommended rate, e.g., at kT=8 keV the increase amounts to about 50 %. The new reaction rate therefore reduces the abundance of 50Ti due to s-processing in AGB stars.

  3. System and process for capture of H.sub.2S from gaseous process streams and process for regeneration of the capture agent

    DOE Patents [OSTI]

    Heldenbrant, David J; Koech, Phillip K; Rainbolt, James E; Bearden, Mark D; Zheng, Feng

    2014-02-18T23:59:59.000Z

    A system and process are disclosed for selective removal and recovery of H.sub.2S from a gaseous volume, e.g., from natural gas. Anhydrous organic, sorbents chemically capture H.sub.2S gas to form hydrosulfide salts. Regeneration of the capture solvent involves addition of an anti-solvent that releases the captured H.sub.2S gas from the capture sorbent. The capture sorbent and anti-solvent are reactivated for reuse, e.g., by simple distillation.

  4. LR: Compact connectivity representation for triangle meshes

    SciTech Connect (OSTI)

    Gurung, T; Luffel, M; Lindstrom, P; Rossignac, J

    2011-01-28T23:59:59.000Z

    We propose LR (Laced Ring) - a simple data structure for representing the connectivity of manifold triangle meshes. LR provides the option to store on average either 1.08 references per triangle or 26.2 bits per triangle. Its construction, from an input mesh that supports constant-time adjacency queries, has linear space and time complexity, and involves ordering most vertices along a nearly-Hamiltonian cycle. LR is best suited for applications that process meshes with fixed connectivity, as any changes to the connectivity require the data structure to be rebuilt. We provide an implementation of the set of standard random-access, constant-time operators for traversing a mesh, and show that LR often saves both space and traversal time over competing representations.

  5. Representations of the groups of order 24

    E-Print Network [OSTI]

    Strange, John Billy

    1967-01-01T23:59:59.000Z

    'y 0 1 0 0 0 1 z z 1 0 0 x m g22 ~ ( x, y-x, z) -1 1 0 y = y-x 0 0 1 z z a( 1, -1, 0) 0 1 0 1 0 0 0 0 1 x y z z g3 (y? ) 24 1 -1 0 0 -1 0 0 0 1 z z g24- (x-X -V g. O 2W ~RI 3 g3 JR I a' i6 L t 5 y Jt 9 l3 Figure 3. Six... in the representation tables are the exponents of m in k cos kn/12 + i sin k&/12. CAYLEY TABLE FOR GROUP NUHBER 2 3 10 ll 3 11 12 1 2 12 10 7 8 9 10 11 12 4 5 8 9 7 lj 12 10 5 6 9 7 8 12 10 ll 6 4 10 jl 12 7 11 12 10 8 12 10...

  6. Holographic Representation of Higher Spin Gauge Fields

    E-Print Network [OSTI]

    Debajyoti Sarkar; Xiao Xiao

    2014-11-17T23:59:59.000Z

    Extending the results of \\cite{Heem}, \\cite{KLRS} on the holographic representation of local gauge field operators in anti de Sitter space, here we construct the bulk operators for higher spin gauge fields in the leading order of $\\frac{1}{N}$ expansion. Working in holographic gauge for higher spin gauge fields, we show that gauge field operators with integer spin $s>1$ can be represented by an integration over a ball region, which is the interior region of the spacelike bulk lightcone on the boundary. The construction is shown to be AdS-covariant up to gauge transformations, and the two-point function between higher spin gauge fields and boundary higher spin current exhibit singularities on both bulk and boundary lightcones. We also comment on possible extension to the level of three-point functions and carry out a causal construction for higher spin fields in de Sitter spacetime.

  7. The representation theory of cyclotomic BMW algebras

    E-Print Network [OSTI]

    Rui, H

    2008-01-01T23:59:59.000Z

    In this paper, we go on Rui-Xu's work on cyclotomic Birman-Wenzl algebras $\\W_{r, n}$ in \\cite{RX}. In particular, we use the representation theory of cellular algebras in \\cite{GL} to classify the irreducible $\\W_{r, n}$-modules for all positive integers $r$ and $n$. By constructing cell filtrations for all cell modules of $\\W_{r, n}$, we compute the discriminants associated to all cell modules for $\\W_{r, n} $. Via such discriminats together with induction and restriction functors given in section~5, we determine explicitly when $\\W_{r, n}$ is semisimple over a field. This generalizes our previous result on Birman-Wenzl algebras in \\cite{RS1}.

  8. Deep Learning Representation using Autoencoder for 3D Shape Retrieval

    E-Print Network [OSTI]

    benchmarks. I. INTRODUCTION With the fast development of 3D printer, Microsoft Kinect sensor and laserDeep Learning Representation using Autoencoder for 3D Shape Retrieval Zhuotun Zhu, Xinggang Wang@hust.edu.cn Abstract--We study the problem of how to build a deep learning representation for 3D shape. Deep learning

  9. Infrared regular representation of the three dimensional massless Nelson model

    E-Print Network [OSTI]

    Infrared regular representation of the three dimensional massless Nelson model J#19;ozsef L this Gaussian measure space. KEYWORDS: Nelson's scalar #12;eld model, infrared regular representation, ground] of a spinless electron coupled to a scalar massless Bose #12;eld is infrared divergent in 3 space dimensions

  10. Decomposition of Representations of CAR Induced by Bogoliubov Endomorphisms

    E-Print Network [OSTI]

    Jens B{ö}ckenhauer

    1994-10-04T23:59:59.000Z

    In a Fock representation, a non-surjective Bogoliubov transformation of CAR leads to a reducible representation. For the case that the corresponding Bogoliubov operator has finite corank, the decomposition into irreducible subrepresentations is clarified. In particular, it turns out that the number of appearing subrepresentations is completely determined by the corank.

  11. Wigner representation of the rotational dynamics of rigid tops

    E-Print Network [OSTI]

    Dmitry V. Zhdanov; Tamar Seideman

    2014-06-15T23:59:59.000Z

    We propose the general methodology to design the Wigner representations with the desired dynamical and semiclassical properties in the phase spaces with nontrivial topology. As an illustration, two representations of molecular rotations are developed to suit the computational demands of contemporary applications of laser alignment, diagnostics of reaction dynamics, studies of scattering and dissipative processes.

  12. Using Graphical Representations to Support the Calculation of Infusion Parameters

    E-Print Network [OSTI]

    Subramanian, Sriram

    Using Graphical Representations to Support the Calculation of Infusion Parameters Sandy J. J. Gould in which participants were asked to solve a num- ber of infusion parameter problems that were represented representations transfer to actual workplace settings. Keywords: Graphical reasoning, infusion pumps, re

  13. SEMANTIC DATA INTEGRATION IN A MULTIPLE REPRESENTATION ENVIRONMENT

    E-Print Network [OSTI]

    Köbben, Barend

    SEMANTIC DATA INTEGRATION IN A MULTIPLE REPRESENTATION ENVIRONMENT J.E. Stotera , R.L.G. Lemmensa: Semantic data integration, Multi Representation Database, Generalisation, ontologies, machine ontology at the different scales are semantically integrated, 2) objects in the different scales representing the same real

  14. Fast Multipole Representation of Diffusion Curves and Points Timothy Sun

    E-Print Network [OSTI]

    Grinspun, Eitan

    Fast Multipole Representation of Diffusion Curves and Points Timothy Sun Papoj Thamjaroenporn performed on the fast multipole representation. Abstract We propose a new algorithm for random-access evaluation of diffu- sion curve images (DCIs) using the fast multipole method. Unlike all previous methods

  15. An alternative proof of the Bryant representation Jose A. Galveza

    E-Print Network [OSTI]

    Gálvez, José Antonio

    An alternative proof of the Bryant representation Jos´e A. G´alveza and Pablo Mirab a Departamento Keywords: constant mean curvature, Bryant surfaces, Liouville equation. 1 Introduction In his famous 1987 paper, R. Bryant [Bry] established a meromorphic representation for the surfaces with constant mean

  16. An Ontology for Semantic Representation of an Urban Virtual Environment

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    An Ontology for Semantic Representation of an Urban Virtual Environment K. Harkouken Saiah1, N of semantic representation of a dynamic virtual environment. Our model is embodied into a simulation with the semantic state of their environment. The idea is to represent the services offered by the environment

  17. Virasoro representations and fusion for general augmented minimal models

    E-Print Network [OSTI]

    Holger Eberle; Michael Flohr

    2006-04-13T23:59:59.000Z

    In this paper we present explicit results for the fusion of irreducible and higher rank representations in two logarithmically conformal models, the augmented c_{2,3} = 0 model as well as the augmented Yang-Lee model at c_{2,5} = -22/5. We analyse their spectrum of representations which is consistent with the symmetry and associativity of the fusion algebra. We also describe the first few higher rank representations in detail. In particular, we present the first examples of consistent rank 3 indecomposable representations and describe their embedding structure. Knowing these two generic models we also conjecture the general representation content and fusion rules for general augmented c_{p,q} models.

  18. Efficient implementation and the product state representation of numbers.

    SciTech Connect (OSTI)

    Benioff, P.; Physics

    2001-10-12T23:59:59.000Z

    The relation between the requirement of efficient implementability and the product-state representation of numbers is examined. Numbers are defined to be any model of the axioms of number theory or arithmetic. Efficient implementability (EI) means that the basic arithmetic operations are physically implementable and the space-time and thermodynamic resources needed to carry out the implementations are polynomial in the range of numbers considered. Different models of numbers are described to show the independence of both EI and the product-state representation from the axioms. The relation between EI and the product-state representation is examined. It is seen that the condition of a product-state representation does not imply EI. Arguments used to refute the converse implication, EI implies a product-state representation, seem reasonable; but they are not conclusive. Thus this implication remains an open question.

  19. Human Responses to Climate Change: Social Representation, Identity and Socio-Psychological Action

    E-Print Network [OSTI]

    Royal Holloway, University of London

    and methodological approaches. Keywords: climate change; communication; social representation; identity; social representations and applies them to the issue of climate change communication, focusing in particularHuman Responses to Climate Change: Social Representation, Identity and Socio- Psychological Action

  20. Carbon Dioxide Capture and Transportation Options in the Illinois Basin

    SciTech Connect (OSTI)

    M. Rostam-Abadi; S. S. Chen; Y. Lu

    2004-09-30T23:59:59.000Z

    This report describes carbon dioxide (CO{sub 2}) capture options from large stationary emission sources in the Illinois Basin, primarily focusing on coal-fired utility power plants. The CO{sub 2} emissions data were collected for utility power plants and industrial facilities over most of Illinois, southwestern Indiana, and western Kentucky. Coal-fired power plants are by far the largest CO{sub 2} emission sources in the Illinois Basin. The data revealed that sources within the Illinois Basin emit about 276 million tonnes of CO2 annually from 122 utility power plants and industrial facilities. Industrial facilities include 48 emission sources and contribute about 10% of total emissions. A process analysis study was conducted to review the suitability of various CO{sub 2} capture technologies for large stationary sources. The advantages and disadvantages of each class of technology were investigated. Based on these analyses, a suitable CO{sub 2} capture technology was assigned to each type of emission source in the Illinois Basin. Techno-economic studies were then conducted to evaluate the energy and economic performances of three coal-based power generation plants with CO{sub 2} capture facilities. The three plants considered were (1) pulverized coal (PC) + post combustion chemical absorption (monoethanolamine, or MEA), (2) integrated gasification combined cycle (IGCC) + pre-combustion physical absorption (Selexol), and (3) oxygen-enriched coal combustion plants. A conventional PC power plant without CO2 capture was also investigated as a baseline plant for comparison. Gross capacities of 266, 533, and 1,054 MW were investigated at each power plant. The economic study considered the burning of both Illinois No. 6 coal and Powder River Basin (PRB) coal. The cost estimation included the cost for compressing the CO{sub 2} stream to pipeline pressure. A process simulation software, CHEMCAD, was employed to perform steady-state simulations of power generation systems and CO{sub 2} capture processes. Financial models were developed to estimate the capital cost, operations and maintenance cost, cost of electricity, and CO{sub 2} avoidance cost. Results showed that, depending on the plant size and the type of coal burned, CO{sub 2} avoidance cost is between $47/t to $67/t for a PC +MEA plant, between $22.03/t to $32.05/t for an oxygen combustion plant, and between $13.58/t to $26.78/t for an IGCC + Selexol plant. A sensitivity analysis was conducted to evaluate the impact on the CO2 avoidance cost of the heat of absorption of solvent in an MEA plant and energy consumption of the ASU in an oxy-coal combustion plant. An economic analysis of CO{sub 2} capture from an ethanol plant was also conducted. The cost of CO{sub 2} capture from an ethanol plant with a production capacity of 100 million gallons/year was estimated to be about $13.92/t.

  1. Carbon dioxide capture from a cement manufacturing process

    DOE Patents [OSTI]

    Blount, Gerald C. (North Augusta, SC); Falta, Ronald W. (Seneca, SC); Siddall, Alvin A. (Aiken, SC)

    2011-07-12T23:59:59.000Z

    A process of manufacturing cement clinker is provided in which a clean supply of CO.sub.2 gas may be captured. The process also involves using an open loop conversion of CaO/MgO from a calciner to capture CO.sub.2 from combustion flue gases thereby forming CaCO.sub.3/CaMg(CO.sub.3).sub.2. The CaCO.sub.3/CaMg(CO.sub.3).sub.2 is then returned to the calciner where CO.sub.2 gas is evolved. The evolved CO.sub.2 gas, along with other evolved CO.sub.2 gases from the calciner are removed from the calciner. The reactants (CaO/MgO) are feed to a high temperature calciner for control of the clinker production composition.

  2. Mercury capture by distinct fly ash carbon forms

    SciTech Connect (OSTI)

    Hower, J.C.; Maroto-Valer, M.M.; Taulbee, D.N.; Sakulpitakphon, T.

    1999-07-01T23:59:59.000Z

    Carbon was separated from the fly ash from a Kentucky power plant using density gradient centrifugation. Using a lithium heterolpolytungstate high-density media, relative concentrations of inertinite (up to 85% vol.), isotropic carbon (up to 79% vol.), and anisotropic carbon (up to 76% vol.) were isolated from the original fly ash. Mercury concentration was lowest in the parent fly ash (which contains non-carbon components); followed by inertinite, isotropic coke, mixed isotropic-anisotropic coke fraction, and, with the highest concentration, the anisotropic coke concentrate. The latter order corresponds to the increase in BET surface area of the fly ash carbons. Previous studies have demonstrated the capture of mercury by fly ash carbon. This study confirms prior work demonstrating the varying role of carbon types in the capture, implying that variability in the carbon content influences the amount of mercury retained on the fly ash.

  3. Apparatus for separating particles utilizing engineered acoustic contrast capture particles

    DOE Patents [OSTI]

    Kaduchak, Gregory; Ward, Michael D

    2014-10-21T23:59:59.000Z

    An apparatus for separating particles from a medium includes a capillary defining a flow path therein that is in fluid communication with a medium source. The medium source includes engineered acoustic contrast capture particle having a predetermined acoustic contrast. The apparatus includes a vibration generator that is operable to produce at least one acoustic field within the flow path. The acoustic field produces a force potential minima for positive acoustic contrast particles and a force potential minima for negative acoustic contrast particles in the flow path and drives the engineered acoustic contrast capture particles to either the force potential minima for positive acoustic contrast particles or the force potential minima for negative acoustic contrast particles.

  4. Gamma decay of unbound states following neutron capture

    SciTech Connect (OSTI)

    Raman, S.

    1982-01-01T23:59:59.000Z

    Neutron capture ..gamma..-ray spectroscopy is a powerful technique to study the ..gamma..-decay of unbound levels just above the neutron separation energy. It is generally believed that the (n,..gamma..) reaction proceeds by way of a compound nucleus reaction of great complexity; and, therefore, the capture ..gamma..-ray spectrum should be describable in terms of statistical laws. However, measurements have shown that effects are present due to single-particle motions and due to giant resonances. The study of (n,..gamma..) spectra averaged over as many resonances as possible provides one of the best experimental means of directly obtaining reliable values for radiative transition probabilities from highly excited nuclear states. In very select cases, unbound levels which are populated in allowed ..beta.. decay can also be observed as neutron resonances. These ideas are illustrated with examples of recent data.

  5. Apparatus for separating particles utilizing engineered acoustic contrast capture particles

    DOE Patents [OSTI]

    Kaduchak, Gregory (Los Alamos, NM); Ward, Michael D. (Los Alamos, NM)

    2011-12-27T23:59:59.000Z

    An apparatus for separating particles from a medium includes a capillary defining a flow path therein that is in fluid communication with a medium source. The medium source includes engineered acoustic contrast capture particle having a predetermined acoustic contrast. The apparatus includes a vibration generator that is operable to produce at least one acoustic field within the flow path. The acoustic field produces a force potential minima for positive acoustic contrast particles and a force potential minima for negative acoustic contrast particles in the flow path and drives the engineered acoustic contrast capture particles to either the force potential minima for positive acoustic contrast particles or the force potential minima for negative acoustic contrast particles.

  6. CARBON DIOXIDE CAPTURE FROM FLUE GAS USING DRY REGENERABLE SORBENTS

    SciTech Connect (OSTI)

    David A. Green; Brian S. Turk; Jeffrey W. Portzer; Raghubir P. Gupta; William J. McMichael; Thomas Nelson

    2004-07-01T23:59:59.000Z

    This report describes research conducted between April 1, 2004 and June 30, 2004 on the preparation and use of dry regenerable sorbents for removal of carbon dioxide from flue gas. Support materials and supported sorbents were prepared by spray drying. Sorbents consisting of 20 to 50% sodium carbonate on a ceramic support were prepared by spray drying in batches of approximately 300 grams. The supported sorbents exhibited greater carbon dioxide capture rates than unsupported calcined sodium bicarbonate in laboratory tests. Preliminary process design and cost estimation for a retrofit application suggested that costs of a dry regenerable sodium carbonate-based process could be lower than those of a monoethanolamine absorption system. In both cases, the greatest part of the process costs come from power plant output reductions due to parasitic consumption of steam for recovery of carbon dioxide from the capture medium.

  7. Gamma Spectrum from Neutron Capture on Tungsten Isotopes

    SciTech Connect (OSTI)

    Hurst, Aaron; Summers, Neil; Sleaford, Brad; Firestone, Richard B; Belgya, T.; Revay, Z.S.

    2010-04-29T23:59:59.000Z

    An evaluation of thermal neutron capture on the stable tungsten isotopes is presented, with preliminary results for the compound systems 183;184;185;187W. The evaluation procedure compares the g-ray cross-section data collected at the Budapest reactor, with Monte Carlo simulations of g-ray emission following the thermal neutron-capture process. The statistical-decay code DICEBOX was used for the Monte Carlo simulations. The evaluation yields new gamma rays in 185W and the confirmation of spins in 187W, raising the number of levels below which the level schemes are considered complete, thus increasing the number of levels that can be used in neutron data libraries.

  8. Amine enriched solid sorbents for carbon dioxide capture

    DOE Patents [OSTI]

    Gray, McMahan L. (Pittsburgh, PA); Soong, Yee (Monroeville, PA); Champagne, Kenneth J. (Fredericktown, PA)

    2003-04-15T23:59:59.000Z

    A new method for making low-cost CO.sub.2 sorbents that can be used in large-scale gas-solid processes. The new method entails treating a solid substrate with acid or base and simultaneous or subsequent treatment with a substituted amine salt. The method eliminates the need for organic solvents and polymeric materials for the preparation of CO.sub.2 capture systems.

  9. Active Space Debris Removal using Capture and Ejection 

    E-Print Network [OSTI]

    Missel, Jonathan William

    2013-04-25T23:59:59.000Z

    object as well as its launch vehicle and parts thereof." Based on this de ni- tion, space debris are uncontrolled space objects serving no function, such as expired satellites, jettisoned components, and collision shrapnel. Traveling at speeds around.... Many alternative proposals to remove space debris have been made: laser impingement [5], ground-based laser design \\Project Orion" [3], ion guns [4], remote vehicles that capture debris and return to a central station [6], passively intercepting...

  10. Hafnium Resonance Parameter Analysis Using Neutron Capture and Transmission Experiments

    SciTech Connect (OSTI)

    MJ Trbovich; DP Barry; RE Slovacck; Y Danon; RC Block; JA Burke; NJ Drindak; G Leinweber; RV Ballad

    2004-10-13T23:59:59.000Z

    The focus of this work is to determine resonance parameters for stable hafnium isotopes in the 0.005-200 eV region, with special emphasis on the overlapping {sup 176}Hf and {sup 178}Hf resonances near 8 eV. The large neutron cross section of hafnium, combined with its corrosion resistance and excellent mechanical properties, make it a useful material for controlling nuclear reactions. Experiments measuring neutron capture and transmission were performed at the Rensselaer Polytechnic Institute (RPI) electron linear accelerator (LINAC) using the time of flight method. {sup 6}Li glass scintillation detectors were used for transmission experiments at flight path lengths of 15 and 25 m. Capture experiments were done using a sixteen section NaI(Tl) multiplicity detector at a flight path length of 25 m. These experiments utilized various thicknesses of metallic and isotopically-enriched liquid samples. The liquid samples were designed to provide information on the {sup 176}Hf and {sup 178}Hf contributions to the 8 eV doublet without saturation. Data analysis was done using the R-matrix Bayesian code SAMMY version M6 beta. SAMMY is able to account for experimental resolution effects for each of the experimental setups at the RPI LINAC, and also can correct for multiple scattering effects in neutron capture yield data. The combined capture and transmission data analysis yielded resonance parameters for all hafnium isotopes from 0.005-200 eV. Resonance integrals were calculated along with errors for each hafnium isotope using the NJOY [1] and INTER [2] codes. The isotopic resonance integrals calculated were significantly different than previously published values; however the calculated elemental hafnium resonance integral changed very little.

  11. Active Space Debris Removal using Capture and Ejection

    E-Print Network [OSTI]

    Missel, Jonathan William

    2013-04-25T23:59:59.000Z

    object as well as its launch vehicle and parts thereof." Based on this de ni- tion, space debris are uncontrolled space objects serving no function, such as expired satellites, jettisoned components, and collision shrapnel. Traveling at speeds around.... Many alternative proposals to remove space debris have been made: laser impingement [5], ground-based laser design \\Project Orion" [3], ion guns [4], remote vehicles that capture debris and return to a central station [6], passively intercepting...

  12. Risk-Based Comparison of Carbon Capture Technologies

    SciTech Connect (OSTI)

    Engel, David W.; Dalton, Angela C.; Dale, Crystal; Jones, Edward

    2013-05-01T23:59:59.000Z

    In this paper, we describe an integrated probabilistic risk assessment methodological framework and a decision-support tool suite for implementing systematic comparisons of competing carbon capture technologies. Culminating from a collaborative effort among national laboratories under the Carbon Capture Simulation Initiative (CCSI), the risk assessment framework and the decision-support tool suite encapsulate three interconnected probabilistic modeling and simulation components. The technology readiness level (TRL) assessment component identifies specific scientific and engineering targets required by each readiness level and applies probabilistic estimation techniques to calculate the likelihood of graded as well as nonlinear advancement in technology maturity. The technical risk assessment component focuses on identifying and quantifying risk contributors, especially stochastic distributions for significant risk contributors, performing scenario-based risk analysis, and integrating with carbon capture process model simulations and optimization. The financial risk component estimates the long-term return on investment based on energy retail pricing, production cost, operating and power replacement cost, plan construction and retrofit expenses, and potential tax relief, expressed probabilistically as the net present value distributions over various forecast horizons.

  13. Electron-capture delayed fission properties of {sup 242}Es

    SciTech Connect (OSTI)

    Shaughnessy, D. A. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); Chemistry Department, University of California, Berkeley, California 94720 (United States); Adams, J. L. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); Gregorich, K. E. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); Lane, M. R. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); Laue, C. A. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); Lee, D. M. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); McGrath, C. A. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); Patin, J. B. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); Strellis, D. A. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); Sylwester, E. R. [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States) [Nuclear Science Division, Lawrence Berkeley National Laboratory, MS 70-319, Berkeley, California 94720 (United States); Chemistry Department, University of California, Berkeley, California 94720 (United States)] (and others)

    2000-04-01T23:59:59.000Z

    Electron-capture delayed fission of {sup 242}Es produced via the {sup 233}U({sup 14}N,5n){sup 242}Es reaction at 87 MeV (on target) was observed to decay with a half-life of 11{+-}3 s, consistent with the reported {alpha}-decay half-life of {sup 242}Es of 16{sub -4}{sup +6} s. The mass-yield distribution of the fission fragments is highly asymmetric. The average pre-neutron emission total kinetic energy of the fragments was measured to be 183{+-}18 MeV. Based on the ratio of the measured number of fission events to the measured number of {alpha} decays from the electron-capture daughter {sup 242}Cf (100% {alpha} branch), the probability of delayed fission was determined to be 0.006{+-}0.002. This value for the delayed fission probability fits the experimental trend of increasing delayed fission probability with increasing Q value for electron capture. (c) 2000 The American Physical Society.

  14. MobileEssence : a mobile non-invasive platform for meeting notes capture

    E-Print Network [OSTI]

    Johnson, Anthony Morris

    2009-01-01T23:59:59.000Z

    MobileEssence provides a light-weight, ubiquitous meeting capture tool which affords the user the ability to capture all important information, including recording what was just said, who said it, and what is being said ...

  15. A Strategy for Carbon Capture and Storage (CCS) in the United...

    Open Energy Info (EERE)

    A Strategy for Carbon Capture and Storage (CCS) in the United Kingdom and Beyond Jump to: navigation, search Tool Summary LAUNCH TOOL Name: A Strategy for Carbon Capture and...

  16. Physiological response of Kemp's ridley sea turtles (Lepidochelys kempii) to entanglement net capture

    E-Print Network [OSTI]

    Hoopes, Lisa Ann

    1999-01-01T23:59:59.000Z

    Kemp's ridley sea turtles (Lepidochelys kempii) were captured in entanglement nets near Sabine Pass, Tx/La, during May through August, 1996 and 1997. Serial blood samples were collected to: 1) identify physiological effects of capture; 2) determine...

  17. The lifetime of carbon capture and storage as a climate-change mitigation technology

    E-Print Network [OSTI]

    Szulczewski, Michael Lawrence

    In carbon capture and storage (CCS), CO[subscript 2] is captured at power plants and then injected underground into reservoirs like deep saline aquifers for long-term storage. While CCS may be critical for the continued ...

  18. CONFERENCE PROCEEDINGS EIGHTH ANNUAL CONFERENCE ON CARBON CAPTURE AND SEQUESTRATION -DOE/NETL

    E-Print Network [OSTI]

    Mohaghegh, Shahab

    CONFERENCE PROCEEDINGS EIGHTH ANNUAL CONFERENCE ON CARBON CAPTURE AND SEQUESTRATION - DOE/NETL May ON CARBON CAPTURE AND SEQUESTRATION - DOE/NETL May 4 ­ 7, 2009 Abstract Reservoir simulation is the industry

  19. E-Print Network 3.0 - astrophysical rapid proton-capture Sample...

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

    Neutron and proton capture reactions... explosions 3, as well ass type I X-ray bursts (rapid proton capture process, rp-process) 4, and might... iron 2. Meanwhile...

  20. Comparison of solvents for post-combustion capture of CO2 by chemical absorption

    E-Print Network [OSTI]

    Kothandaraman, Anusha

    Post combustion absorption technologies represent one of the most commercially ready technologies for CO2 capture. Solvent selection is the critical consideration in post-combustion absorption capture technology. In order ...

  1. Construction Begins on DOE-Sponsored Carbon-Capture Project at...

    Office of Environmental Management (EM)

    Construction Begins on DOE-Sponsored Carbon-Capture Project at Kentucky Power Plant Construction Begins on DOE-Sponsored Carbon-Capture Project at Kentucky Power Plant July 21,...

  2. Novel Carbon Capture Solvent Begins Pilot-Scale Testing for Emissions...

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

    Pilot-scale testing of an advanced technology for economically capturing carbon dioxide (CO2) from flue gas has begun at the National Carbon Capture Center (NCCC) in Wilsonville,...

  3. Continuous representation for shell models of turbulence

    E-Print Network [OSTI]

    Alexei A. Mailybaev

    2014-09-16T23:59:59.000Z

    In this work we construct and analyze continuous hydrodynamic models in one space dimension, which are induced by shell models of turbulence. After Fourier transformation, such continuous models split into an infinite number of uncoupled subsystems, which are all identical to the same shell model. The two shell models, which allow such a construction, are considered: the dyadic (Desnyansky--Novikov) model with the intershell ratio $\\lambda = 2^{3/2}$ and the Sabra model of turbulence with $\\lambda = \\sqrt{2+\\sqrt{5}} \\approx 2.058$. The continuous models allow understanding various properties of shell model solutions and provide their interpretation in physical space. We show that the asymptotic solutions of the dyadic model with Kolmogorov scaling correspond to the shocks (discontinuities) for the induced continuous solutions in physical space, and the finite-time blowup together with its viscous regularization follow the scenario similar to the Burgers equation. For the Sabra model, we provide the physical space representation for blowup solutions and intermittent turbulent dynamics.

  4. Graph representation of protein free energy landscape

    SciTech Connect (OSTI)

    Li, Minghai; Duan, Mojie; Fan, Jue; Huo, Shuanghong, E-mail: shuo@clarku.edu [Gustaf H. Carlson School of Chemistry and Biochemistry, Clark University, 950 Main Street, Worcester, Massachusetts 01610 (United States)] [Gustaf H. Carlson School of Chemistry and Biochemistry, Clark University, 950 Main Street, Worcester, Massachusetts 01610 (United States); Han, Li [Department of Mathematics and Computer Science, Clark University, 950 Main Street, Worcester, Massachusetts 01610 (United States)] [Department of Mathematics and Computer Science, Clark University, 950 Main Street, Worcester, Massachusetts 01610 (United States)

    2013-11-14T23:59:59.000Z

    The thermodynamics and kinetics of protein folding and protein conformational changes are governed by the underlying free energy landscape. However, the multidimensional nature of the free energy landscape makes it difficult to describe. We propose to use a weighted-graph approach to depict the free energy landscape with the nodes on the graph representing the conformational states and the edge weights reflecting the free energy barriers between the states. Our graph is constructed from a molecular dynamics trajectory and does not involve projecting the multi-dimensional free energy landscape onto a low-dimensional space defined by a few order parameters. The calculation of free energy barriers was based on transition-path theory using the MSMBuilder2 package. We compare our graph with the widely used transition disconnectivity graph (TRDG) which is constructed from the same trajectory and show that our approach gives more accurate description of the free energy landscape than the TRDG approach even though the latter can be organized into a simple tree representation. The weighted-graph is a general approach and can be used on any complex system.

  5. A Framework for Environmental Assessment of CO2 Capture and Storage Systems

    E-Print Network [OSTI]

    Sathre, Roger

    2013-01-01T23:59:59.000Z

    increased electricity generation from other power plants inplants require the capture of more CO 2 per unit of electricity generation.

  6. Computational Evaluation of Metal-Organic Frameworks for CO2 Capture

    E-Print Network [OSTI]

    Yu, Jiamei

    2013-03-20T23:59:59.000Z

    of commercial CCS projects. Depending on the generation of CO2, there are mainly three basic CO2 separation and capture options: pre-combustion capture, oxy-fuel combustion and post-combustion capture.4 Pre-combustion capture mainly involves the reactions..., the expensive cost and the public resistance for new construction of plants are other concerns. Oxy-fuel combustion requires pure oxygen rather than air for the burning, therefore, the production of pure oxygen significantly increases the cost...

  7. Highly efficient carbon dioxide capture with a porous organic polymer impregnated with

    E-Print Network [OSTI]

    Paik Suh, Myunghyun

    Highly efficient carbon dioxide capture with a porous organic polymer impregnated environmental crises such as global warming and ocean acidication, efficient carbon dioxide (CO2) capture As CO2 capture mate- rials, numerous solid adsorbents such as silica5 and carbon materials,6 metal

  8. Expert Judgments on the Future of Carbon Capture Tyler R. Loggins

    E-Print Network [OSTI]

    Mountziaris, T. J.

    Expert Judgments on the Future of Carbon Capture Tyler R. Loggins University of Massachusetts.D., Insight Decisions LLC, Greg Nemet Ph.D., University of Wisconsin Abstract Carbon Capture and Storage (CCS of Carbon Capture" by Erin Baker, Karen Jenni, Greg Nemet, and Tyler Loggins. Future Work · Gathering

  9. Doctoral Defense "Carbon Dioxide Capture on Elastic Layered Metal-Organic

    E-Print Network [OSTI]

    Kamat, Vineet R.

    Doctoral Defense "Carbon Dioxide Capture on Elastic Layered Metal-Organic Framework Adsorbents requires drastic modifications to the current energy infrastructure. Thus, carbon capture and sequestration for use as carbon capture adsorbents. Ideal adsorbed solution theory (IAST) estimates of CO2 selectivity

  10. Regulating Carbon Dioxide Capture and Storage 07-003 April 2007

    E-Print Network [OSTI]

    Regulating Carbon Dioxide Capture and Storage by 07-003 April 2007 M.A. de Figueiredo, H.J. Herzog, P.L. Joskow, K.A. Oye, and D.M. Reiner #12;#12;Regulating Carbon Dioxide Capture and Storage M.A. de to be addressed to create an effective regulatory regime for carbon dioxide capture and storage ("CCS"). Legal

  11. Actuarial risk assessment of expected fatalities attributable to carbon capture and storage in 2050

    E-Print Network [OSTI]

    Actuarial risk assessment of expected fatalities attributable to carbon capture and storage in 2050-00487175,version2-10Feb2011 #12;1. Introduction Carbon capture and storage (CCS) involves capturing the CO2 is assessed integrating all steps of the CCS chain: additional coal production, coal transportation, carbon

  12. MODELING AND CONTROL OF A O2/CO2 GAS TURBINE CYCLE FOR CO2 CAPTURE

    E-Print Network [OSTI]

    Foss, Bjarne A.

    MODELING AND CONTROL OF A O2/CO2 GAS TURBINE CYCLE FOR CO2 CAPTURE Lars Imsland Dagfinn Snarheim and control of a semi-closed O2/CO2 gas turbine cycle for CO2 capture. In the first part the process predictive control, Gas turbines, CO2 capture 1. INTRODUCTION Gas turbines are widely used for power

  13. Lifetime of carbon capture and storage as a climate-change mitigation technology

    E-Print Network [OSTI]

    Lifetime of carbon capture and storage as a climate-change mitigation technology Michael L) In carbon capture and storage (CCS), CO2 is captured at power plants and then injected underground contributor to climate change (1). One promising technology to mitigate CO2 emissions is carbon cap- ture

  14. Public Awareness of Carbon Capture and Storage: A Survey of Attitudes toward Climate Change Mitigation

    E-Print Network [OSTI]

    , Technology and Policy Program #12;2 #12;3 Public Awareness of Carbon Capture and Storage: A Survey in Technology and Policy Abstract The Carbon Capture and Sequestration Technologies Program in the LaboratoryPublic Awareness of Carbon Capture and Storage: A Survey of Attitudes toward Climate Change

  15. An international comparison of public attitudes towards carbon capture and storage technologies

    E-Print Network [OSTI]

    1 An international comparison of public attitudes towards carbon capture and storage technologies as an important element in determining the eventual fate of new technologies and carbon capture and storage (CCS, with particular emphasis on attitudes towards carbon capture and storage (CCS). We find low levels of awareness

  16. An idealized assessment of the economics of air capture of carbon dioxide in mitigation policy

    E-Print Network [OSTI]

    Colorado at Boulder, University of

    a c t This paper discusses the technology of direct capture of carbon dioxide from the atmo- sphereAn idealized assessment of the economics of air capture of carbon dioxide in mitigation policy- ture,'' which refers to the direct removal of carbon dioxide from the ambient air. Air capture has

  17. Carbon Capture and Storage from Fossil Fuel Use 1 Howard Herzog and Dan Golomb

    E-Print Network [OSTI]

    Institute of Technology Laboratory for Energy and the Environment Glossary Carbon sequestration: captureCarbon Capture and Storage from Fossil Fuel Use 1 Howard Herzog and Dan Golomb Massachusetts gas wells. Carbon capture: the separation and entrapment of CO2 from large stationary sources. CO2

  18. Scaling up carbon dioxide capture and storage: From megatons to gigatons Howard J. Herzog

    E-Print Network [OSTI]

    Global warming Carbon mitigation Low carbon energy technologies Carbon dioxide capture and storage (CCS) Carbon dioxide (CO2) capture and storage (CCS) is the only technology that can reduce CO2 emissionsScaling up carbon dioxide capture and storage: From megatons to gigatons Howard J. Herzog MIT

  19. Scaling up carbon dioxide capture and storage: From megatons to gigatons Howard J. Herzog

    E-Print Network [OSTI]

    warming Carbon mitigation Low carbon energy technologies Carbon dioxide capture and storage (CCS) CarbonScaling up carbon dioxide capture and storage: From megatons to gigatons Howard J. Herzog MIT dioxide (CO2) capture and storage (CCS) is the only technology that can reduce CO2 emissions substantially

  20. Capture-Ready Power Plants -Options, Technologies and Economics Mark C. Bohm

    E-Print Network [OSTI]

    1 Capture-Ready Power Plants - Options, Technologies and Economics by Mark C. Bohm Bachelor and Policy Program #12;2 #12;3 Capture-ready Power Plants ­ Options, Technologies and Costs by Mark C. Bohm for the Degree of Master of Science in Technology and Policy ABSTRACT A plant can be considered to be capture

  1. Carbon Capture and Sequestration: how much does this uncertain option affect near-term policy choices?

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Carbon Capture and Sequestration: how much does this uncertain option affect near-term policy Carbon Capture and Sequestration (CCS) as a key option to avoid costly emission reduction. While Carbon Capture and Sequestration (CCS) technologies are receiving increasing atten- tion, mainly

  2. ECONOMIC MODELING OF THE GLOBAL ADOPTION OF CARBON CAPTURE AND SEQUESTRATION TECHNOLOGIES

    E-Print Network [OSTI]

    ECONOMIC MODELING OF THE GLOBAL ADOPTION OF CARBON CAPTURE AND SEQUESTRATION TECHNOLOGIES J. R. Mc of carbon capture and sequestration technologies as applied to electric generating plants. The MIT Emissions, is used to model carbon capture and sequestration (CCS) technologies based on a natural gas combined cycle

  3. Pathways to Adoption of Carbon Capture and Sequestration in India: Technologies and Policies

    E-Print Network [OSTI]

    Pathways to Adoption of Carbon Capture and Sequestration in India: Technologies and Policies, Technology and Policy Program #12;2 #12;Pathways to Carbon Capture and Sequestration in India: Technologies to control India's emissions will have to be a global priority. Carbon capture and sequestration (CCS) can

  4. A Hydraulic Capture Application for Optimal Remediation Design K. R. Fowlera

    E-Print Network [OSTI]

    1 A Hydraulic Capture Application for Optimal Remediation Design K. R. Fowlera , C. T. Kelley b , C Carolina Chapel Hill, NC 27599-7400, USA The goal of a hydraulic capture model for remediation purposes is desirable and often influences the choice of solution method. In this paper we present two hydraulic capture

  5. Carbon Dioxide Capture from Coal-Fired Power Plants: A Real Options Analysis Ram Chandra Sekar

    E-Print Network [OSTI]

    Carbon Dioxide Capture from Coal-Fired Power Plants: A Real Options Analysis by Ram Chandra Sekar;2 #12;3 Carbon Dioxide Capture in Coal-Fired Power Plants: A Real Options Analysis by Ram Chandra Sekar less expensive (pre-investment IGCC). All coal-fired power plants can be retrofitted to capture CO2

  6. ECONOMIC MODELING OF CO2 CAPTURE AND SEQUESTRATION Sean Biggs, Howard Herzog, John Reilly, Henry Jacoby

    E-Print Network [OSTI]

    of carbon capture and sequestration technologies using the MIT Emissions Prediction and Policy Analysis (EPPA) model. We model two of the most promising carbon capture and sequestration technologies, one, technological, and social issues of carbon capture and sequestration technologies. In 1997, the President

  7. CONTROL ISSUES IN THE DESIGN OF A GAS TURBINE CYCLE FOR CO2 CAPTURE

    E-Print Network [OSTI]

    Foss, Bjarne A.

    CONTROL ISSUES IN THE DESIGN OF A GAS TURBINE CYCLE FOR CO2 CAPTURE Query Sheet Q1: AU: short title OF A GAS TURBINE CYCLE FOR CO2 CAPTURE Lars Imsland, Dagfinn Snarheim, and Bjarne A. Foss Department-closed / gas turbine cycle for capture. Some control strategies and their interaction with the process design

  8. On the Representation of Physical Quantities in Natural Language Text

    E-Print Network [OSTI]

    Forbus, Kenneth D.

    On the Representation of Physical Quantities in Natural Language Text Sven E. Kuehne (skuehne processes from natural language text. In an earlier analysis (Kuehne & Forbus, 2002) we presented a scheme

  9. Surface Dependent Representations for Illumination Insensitive Image Comparison

    E-Print Network [OSTI]

    Lindenbaum, Michael

    . Lighting variation significantly affects surface appearance and makes image comparison difficultSurface Dependent Representations for Illumination Insensitive Image Comparison Margarita Osadchy the problem of matching images to tell whether they come from the same scene viewed under different lighting

  10. Containing the opposition : selective representation in Jordan and Turkey

    E-Print Network [OSTI]

    Wakeman, Raffaela Lisette

    2009-01-01T23:59:59.000Z

    How does elite manipulation of election mechanisms affect the representation of political regime opponents? While the spread of elections has reached all the continents, the number of actual democracies has not increased ...

  11. Stochastic Roadmap Simulation: Efficient Representation and Algorithms for

    E-Print Network [OSTI]

    Brutlag, Doug

    Stochastic Roadmap Simulation: Efficient Representation and Algorithms for the Analysis Roadmap Simulation (SRS) #12;Stochastic Roadmap Simulation (SRS) Multiple paths at once; #12;Stochastic Roadmap Simulation (SRS) Multiple paths at once; No local minimum problem; #12;Stochastic Roadmap

  12. Fast quantum algorithms for approximating some irreducible representations of groups

    E-Print Network [OSTI]

    Stephen P. Jordan

    2009-04-21T23:59:59.000Z

    We consider the quantum complexity of estimating matrix elements of unitary irreducible representations of groups. For several finite groups including the symmetric group, quantum Fourier transforms yield efficient solutions to this problem. Furthermore, quantum Schur transforms yield efficient solutions for certain irreducible representations of the unitary group. Beyond this, we obtain poly(n)-time quantum algorithms for approximating matrix elements from all the irreducible representations of the alternating group A_n, and all the irreducible representations of polynomial highest weight of U(n), SU(n), and SO(n). These quantum algorithms offer exponential speedup in worst case complexity over the fastest known classical algorithms. On the other hand, we show that average case instances are classically easy, and that the techniques analyzed here do not offer a speedup over classical computation for the estimation of group characters.

  13. Representation of Energy Use in the Food Products Industry

    E-Print Network [OSTI]

    Elliott, N. R.

    2007-01-01T23:59:59.000Z

    such as combined heat and power (CHP). This paper discusses the differences between energy end-uses and service demands, proposes an approach for approximating service demands and discusses the ramifications of this alternative representation to energy modeling...

  14. Karhunen-Loeve representation of stochastic ocean waves

    E-Print Network [OSTI]

    Sclavounos, Paul D.

    A new stochastic representation of a seastate is developed based on the Karhunen–Loeve spectral decomposition of stochastic signals and the use of Slepian prolate spheroidal wave functions with a tunable bandwidth parameter. ...

  15. The Role of Knowledge in Visual Shape Representation

    E-Print Network [OSTI]

    Saund, Eric

    1988-10-01T23:59:59.000Z

    This report shows how knowledge about the visual world can be built into a shape representation in the form of a descriptive vocabulary making explicit the important geometrical relationships comprising objects' shapes. ...

  16. Crystal Structure Representations for Machine Learning Models of Formation Energies

    E-Print Network [OSTI]

    Faber, Felix; von Lilienfeld, O Anatole; Armiento, Rickard

    2015-01-01T23:59:59.000Z

    We introduce and evaluate a set of feature vector representations of crystal structures for machine learning (ML) models of formation energies of solids. ML models of atomization energies of organic molecules have been successful using a Coulomb matrix representation of the molecule. We consider three ways to generalize such representations to periodic systems: (i) a matrix where each element is related to the Ewald sum of the electrostatic interaction between two different atoms in the unit cell repeated over the lattice; (ii) an extended Coulomb-like matrix that takes into account a number of neighboring unit cells; and (iii) an Ansatz that mimics the periodicity and the basic features of the elements in the Ewald sum matrix by using a sine function of the crystal coordinates of the atoms. The representations are compared for a Laplacian kernel with Manhattan norm, trained to reproduce formation energies using a data set of 3938 crystal structures obtained from the Materials Project. For training sets consi...

  17. Representation and compression of multidimensional piecewise functions using surflets

    E-Print Network [OSTI]

    Chandrasekaran, Venkat

    We study the representation, approximation, and compression of functions in M dimensions that consist of constant or smooth regions separated by smooth (M-1)-dimensional discontinuities. Examples include images containing ...

  18. Incorporating Representation of Agricultural Ecosystems and Management Within IBIS

    E-Print Network [OSTI]

    Incorporating Representation of Agricultural Ecosystems and Management Within IBIS: The development of Agro-IBIS Chris Kucharik Department of Agronomy & Center for Sustainability and the Global Environment balance Soil and canopy physics Leaf physiology Minutes Phenology Budburst, senescence, dormancy Daily

  19. An Executable Representation of Distance and Direction Richard Johnson

    E-Print Network [OSTI]

    Pingali, Keshav K.

    that permits imperative updates to memory. The dependence ow graph sub- sumes other representations between statements that 1This research was supported by an NSF Presidential Young Investigator award (NSF

  20. Concise representation of the saturation properties for pure compounds 

    E-Print Network [OSTI]

    Borrelli, Leslie Kieffer

    1982-01-01T23:59:59.000Z

    CONCISE REPRESENTATION QF THE SATURATIQN PROPERTIES FQR PURE CQHPQUN DS A Thesis by LESLIE KIEFFER BQRRELLI Submitted to the Graduate College of Texas A&M University in partial fulfillment of the r equirement for the degree of NASTER... of Depa ent) May 1982 ABSTRACT CONCISE REPRESENTATION QF THE SATURATION PROPERTIES FOR PURE COMPOUNDS (May 1982) Leslie Kieffer Borrelli, B. S. , Texas ARM University Chair man of Advisor y Committee: Dr . Kenneth R. Hall Vapor pr essure...

  1. LOW-PRESSURE MEMBRANE CONTACTORS FOR CARBON DIOXIDE CAPTURE

    SciTech Connect (OSTI)

    Baker, Richard; Kniep, Jay; Hao, Pingjiao; Chan, Chi Cheng; Nguyen, Vincent; Huang, Ivy; Amo, Karl; Freeman, Brice; Fulton, Don; Ly, Jennifer; Lipscomb, Glenn; Lou, Yuecun; Gogar, Ravikumar

    2014-09-30T23:59:59.000Z

    This final technical progress report describes work conducted by Membrane Technology and Research, Inc. (MTR) for the Department of Energy (DOE NETL) on development of low-pressure membrane contactors for carbon dioxide (CO2) capture from power plant flue gas (award number DE-FE0007553). The work was conducted from October 1, 2011 through September 30, 2014. The overall goal of this three-year project was to build and operate a prototype 500 m2 low-pressure sweep membrane module specifically designed to separate CO2 from coal-fired power plant flue gas. MTR was assisted in this project by a research group at the University of Toledo, which contributed to the computational fluid dynamics (CFD) analysis of module design and process simulation. This report details the work conducted to develop a new type of membrane contactor specifically designed for the high-gas-flow, low-pressure, countercurrent sweep operation required for affordable membrane-based CO2 capture at coal power plants. Work for this project included module development and testing, design and assembly of a large membrane module test unit at MTR, CFD comparative analysis of cross-flow, countercurrent, and novel partial-countercurrent sweep membrane module designs, CFD analysis of membrane spacers, design and fabrication of a 500 m2 membrane module skid for field tests, a detailed performance and cost analysis of the MTR CO2 capture process with low-pressure sweep modules, and a process design analysis of a membrane-hybrid separation process for CO2 removal from coal-fired flue gas. Key results for each major task are discussed in the report.

  2. A Review of Hazardous Chemical Species Associated with CO2 Capture from Coal-Fired Power Plants and Their Potential Fate in CO2 Geologic Storage

    E-Print Network [OSTI]

    Apps, J.A.

    2006-01-01T23:59:59.000Z

    membrane technology for simultaneous carbon dioxide capture2 Capture Technology Summary. Chapter 25 in Carbon Dioxidetechnologies evaluated as part of the Carbon Dioxide Capture

  3. Neutrino signals in electron-capture storage-ring experiments

    E-Print Network [OSTI]

    Avraham Gal

    2015-05-26T23:59:59.000Z

    Neutrino signals in electron-capture storage-ring experiments at GSI are reconsidered, with special emphasis placed on the quasi-circular motion of the daughter ions in two-body decays. Whereas parent-ion decay rates cannot exhibit modulation with the several-second period reported in these experiments, the time evolution of the detected daughter ions is shown to produce oscillations that under certain conditions may provide resolution of the `GSI Oscillations' puzzle. New dedicated storage-ring or trap experiments could look up for these oscillations.

  4. Mysterious dipole synchrotron oscillations during and after adiabatic capture

    SciTech Connect (OSTI)

    Ng, K.Y.; /Fermilab

    2012-03-01T23:59:59.000Z

    Strong synchrotron oscillations were observed during and after the 2.5-MHz rf adiabatic capture of a debunched booster batch in the Main Injector. Analysis shows two possible sources for the synchrotron oscillations. One is the frequency drift of the 2.5-MHz rf after the turning off of the 53-MHz rf voltage, thus resulting in an energy mismatch with the debunched beam. The second source is the energy mismatch of the injected booster beam with the frequency of the 53-MHz rf. We have been able to rule out the first possibility.

  5. Neutron capture cross section standards for BNL 325, Fourth Edition

    SciTech Connect (OSTI)

    Holden, N.E.

    1981-01-01T23:59:59.000Z

    This report evaluates the experimental data and recommends values for the thermal neutron cross sections and resonance integrals for the neutron capture reactions: /sup 55/Mn(n,..gamma..), /sup 59/Co(n,..gamma..) and /sup 197/Au(n,..gamma..). The failure of lithium and boron as standards due to the natural variation of the absorption cross sections of these elements is discussed. The Westcott convention, which describes the neutron spectrum as a thermal Maxwellian distribution with an epithermal component, is also discussed.

  6. Carbon dioxide capture from power or process plant gases

    SciTech Connect (OSTI)

    Bearden, Mark D; Humble, Paul H

    2014-06-10T23:59:59.000Z

    The present invention are methods for removing preselected substances from a mixed flue gas stream characterized by cooling said mixed flue gas by direct contact with a quench liquid to condense at least one preselected substance and form a cooled flue gas without substantial ice formation on a heat exchanger. After cooling additional process methods utilizing a cryogenic approach and physical concentration and separation or pressurization and sorbent capture may be utilized to selectively remove these materials from the mixed flue gas resulting in a clean flue gas.

  7. CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

    SciTech Connect (OSTI)

    Gary T. Rochelle; A. Frank Seibert

    2002-10-01T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. Progress has been made in this reporting period on three subtasks. A simple thermodynamic model has been developed to represent the CO{sub 2} vapor pressure and speciation of the new solvent. A rate model has been formulated to predict the CO{sub 2} flux with these solutions under absorber conditions. A process and instrumentation diagram and process flow diagram have been prepared for modifications of the existing pilot plant system.

  8. CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

    SciTech Connect (OSTI)

    Gary T. Rochelle; A. Frank Seibert; J. Tim Cullinane; Terraun Jones

    2003-01-01T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. Progress has been made in this reporting period on three subtasks. The rigorous Electrolyte Non-Random Two-Liquid (electrolyte-NRTL) model has been regressed to represent CO{sub 2} solubility in potassium carbonate/bicarbonate solutions. An analytical method for piperazine has been developed using a gas chromatograph. Funding has been obtained and equipment has been donated to provide for modifications of the existing pilot plant system with stainless steel materials.

  9. Virtual Gamma Ray Radiation Sources through Neutron Radiative Capture

    SciTech Connect (OSTI)

    Scott Wilde, Raymond Keegan

    2008-07-01T23:59:59.000Z

    The countrate response of a gamma spectrometry system from a neutron radiation source behind a plane of moderating material doped with a nuclide of a large radiative neutron capture cross-section exhibits a countrate response analogous to a gamma radiation source at the same position from the detector. Using a planar, surface area of the neutron moderating material exposed to the neutron radiation produces a larger area under the prompt gamma ray peak in the detector than a smaller area of dimensions relative to the active volume of the gamma detection system.

  10. Proton capture by 14N at astrophysical energies

    E-Print Network [OSTI]

    J. Grineviciute; Dean Halderson

    2014-04-17T23:59:59.000Z

    Calculations are reported for low energy, proton capture by 14N with the recoil corrected continuum shell model. An interaction from a fit to Cohen and Kurath (6-16) p-shell matrix elements and Reid soft core g-matrix elements is employed. The prediction for 14N(p,{\\gamma})15O, based on this model and available data, is that S(0) equals 1.632 and S(30) is 1.625 keV b. Good agreement with available cross section data support this result. No evidence is found for significant contributions from the subthreshold resonance.

  11. CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

    SciTech Connect (OSTI)

    Gary T. Rochelle; Eric Chen; J. Tim Cullinane; Marcus Hilliard; Babatunde Oyenekan; Terraun Jones

    2003-07-28T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. A rigorous thermodynamic model has been further developed with a standalone FORTRAN code to represent the CO{sub 2} vapor pressure and speciation of the new solvent. Gas chromatography has been used to measure the oxidative degradation of piperazine. The heat exchangers for the pilot plant have been received. The modifications are on schedule for start-up in November 2003.

  12. CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

    SciTech Connect (OSTI)

    Gary T. Rochelle; Eric Chen; J. Tim Cullinane; Marcus Hilliard; Terraun Jones

    2003-04-01T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. A rigorous thermodynamic model has been developed with a stand-alone FORTRAN code to represent the CO{sub 2} vapor pressure and speciation of the new solvent. Parameters have been developed for use of the electrolyte NRTL model in AspenPlus. Analytical methods have been developed using gas chromatography and ion chromatography. The heat exchangers for the pilot plant have been ordered.

  13. CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

    SciTech Connect (OSTI)

    Gary T. Rochelle; Eric Chen; J. Tim Cullinane; Marcus Hillard; Babatunde Oyenekan

    2003-10-31T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. A rigorous thermodynamic model has been further developed with a standalone FORTRAN code to represent the CO{sub 2} vapor pressure and speciation of the new solvent. The welding work has initiated and will be completed for a revised startup of the pilot plant in February 2004.

  14. Hydrogen Fluoride Capture by Imidazolium Acetate Ionic Liquid

    E-Print Network [OSTI]

    Chaban, Vitaly

    2015-01-01T23:59:59.000Z

    Extraction of hydrofluoric acid (HF) from oils is a drastically important problem in petroleum industry, since HF causes quick corrosion of pipe lines and brings severe health problems to humanity. Some ionic liquids (ILs) constitute promising scavenger agents thanks to strong binding to polar compounds and tunability. PM7-MD simulations and hybrid density functional theory are employed here to consider HF capture ability of ILs. Discussing the effects and impacts of the cation and the anion separately and together, I will evaluate performance of imidazolium acetate and outline systematic search guidelines for efficient adsorption and extraction of HF.

  15. Models from Big Molecules Captured in a Flash

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOnItemResearch > The EnergyCenterDioxide Capture inFacility AMF InformationLosModels

  16. Containment canister for capturing hazardous waste debris during piping modifications

    DOE Patents [OSTI]

    Dozier, Stanley B. (North Augusta, SC)

    2001-07-24T23:59:59.000Z

    The present invention relates to a capture and containment canister which reduces the risk of radiation and other biohazard exposure to workers, the need for a costly containment hut and the need for the extra manpower associated with the hut. The present invention includes the design of a canister having a specially designed magnetic ring that attracts and holds the top of the canister in place during modifications to gloveboxes and other types of radiological and biochemical hoods. The present invention also provides an improved hole saw that eliminates the need for a pilot bit.

  17. Carbon Capture and Storage Poster | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platformBuilding RemovalCSS Letter -SeptemberWorkshop |Capturing

  18. Carbon Capture, Utilization & Storage | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the YouTube platformBuilding RemovalCSS Letter -SeptemberWorkshop |CapturingCarbonCarbon

  19. Carbon Capture R&D | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page on Delicious Rank EERE: Alternative FuelsNovember 13, 2014 Building America UpdateCX-001638:6BreakthroughAwardCapture

  20. 2015 CO2 Capture Technology Meeting | netl.doe.gov

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of ScienceandMesa del(ANL-IN-03-032) -Less isNFebruaryOctober 2, 2014 2014February 2015June5 CO2 Capture

  1. Industrial Carbon Capture Project Selections | Department of Energy

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33Frequently Asked Questions for DOEthe RankingReform atSolar2014 ||Alaska|Industrial Carbon Capture

  2. carbon capture rd index | netl.doe.gov

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron4 Self-Scrubbing:,, , ., ..., ,+ . :, ,. ., ,.,Measured9canfieldCapture

  3. co2 capture meeting | netl.doe.gov

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level:Energy: Grid Integration Redefining What'sis Taking Over OurThe Iron4 Self-Scrubbing:,, , ., ..., ,+ . :,2013 NETL CO2 Capture Technology

  4. The Dissimilarity Representation as a Tool for Three-Way Data Classification: A 2D Measure

    E-Print Network [OSTI]

    Duin, Robert P.W.

    ´ia (Ingeominas), Colombia jmakario@ingeominas.gov.co Abstract. The dissimilarity representation has demonstrated

  5. WILD ALGEBRAS HAVE ONE-POINT EXTENSIONS OF REPRESENTATION DIMENSION AT LEAST FOUR

    E-Print Network [OSTI]

    Oppermann, Steffen

    WILD ALGEBRAS HAVE ONE-POINT EXTENSIONS OF REPRESENTATION DIMENSION AT LEAST FOUR STEFFEN OPPERMANN Abstract. We show that any wild algebra has a one-point exten- sion of representation dimension at least between tame and wild representation type is another way of saying "how infinite" the representation

  6. CO2 CAPTURE PROJECT - AN INTEGRATED, COLLABORATIVE TECHNOLOGY DEVELOPMENT PROJECT FOR NEXT GENERATION CO2 SEPARATION, CAPTURE AND GEOLOGIC SEQUESTRATION

    SciTech Connect (OSTI)

    Dr. Helen Kerr

    2003-08-01T23:59:59.000Z

    The CO{sub 2} Capture Project (CCP) is a joint industry project, funded by eight energy companies (BP, ChevronTexaco, EnCana, Eni, Norsk Hydro, Shell, Statoil, and Suncor) and three government agencies (1) European Union (DG Res & DG Tren), (2) Norway (Klimatek) and (3) the U.S.A. (Department of Energy). The project objective is to develop new technologies, which could reduce the cost of CO{sub 2} capture and geologic storage by 50% for retrofit to existing plants and 75% for new-build plants. Technologies are to be developed to ''proof of concept'' stage by the end of 2003. The project budget is approximately $24 million over 3 years and the work program is divided into eight major activity areas: (1) Baseline Design and Cost Estimation--defined the uncontrolled emissions from each facility and estimate the cost of abatement in $/tonne CO{sub 2}. (2) Capture Technology, Post Combustion: technologies, which can remove CO{sub 2} from exhaust gases after combustion. (3) Capture Technology, Oxyfuel: where oxygen is separated from the air and then burned with hydrocarbons to produce an exhaust with high CO{sub 2} for storage. (4) Capture Technology, Pre -Combustion: in which, natural gas and petroleum coke are converted to hydrogen and CO{sub 2} in a reformer/gasifier. (5) Common Economic Model/Technology Screening: analysis and evaluation of each technology applied to the scenarios to provide meaningful and consistent comparison. (6) New Technology Cost Estimation: on a consistent basis with the baseline above, to demonstrate cost reductions. (7) Geologic Storage, Monitoring and Verification (SMV): providing assurance that CO{sub 2} can be safely stored in geologic formations over the long term. (8) Non-Technical: project management, communication of results and a review of current policies and incentives governing CO{sub 2} capture and storage. Technology development work dominated the past six months of the project. Numerous studies are making substantial progress towards their goals. Some technologies are emerging as preferred over others. Pre-combustion Decarbonization (hydrogen fuel) technologies are showing good progress and may be able to meet the CCP's aggressive cost reduction targets for new-build plants. Chemical looping to produce oxygen for oxyfuel combustion shows real promise. As expected, post-combustion technologies are emerging as higher cost options that may have niche roles. Storage, measurement, and verification studies are moving rapidly forward. Hyper-spectral geo-botanical measurements may be an inexpensive and non-intrusive method for long-term monitoring. Modeling studies suggest that primary leakage routes from CO{sub 2} storage sites may be along wellbores in areas disturbed by earlier oil and gas operations. This is good news because old wells are usually mapped and can be repaired during the site preparation process. Many studies are nearing completion or have been completed. Their preliminary results are summarized in the attached report and presented in detail in the attached appendices.

  7. 1M. Panahi, S. Skogestad ' Optimal Operation of a CO2 Capturing Plant for a Wide Range of Disturbances' Optimal Operation of a CO2 Capturing

    E-Print Network [OSTI]

    Skogestad, Sigurd

    1M. Panahi, S. Skogestad ' Optimal Operation of a CO2 Capturing Plant for a Wide Range of Disturbances' Optimal Operation of a CO2 Capturing Plant for a Wide Range of Disturbances Mehdi Panahi Sigurd Skogestad 18.10.2011 AIChE Annual Meeting #12;2M. Panahi, S. Skogestad ' Optimal Operation of a CO2

  8. On tidal capture of primordial black holes by neutron stars

    E-Print Network [OSTI]

    Guillaume Defillon; Etienne Granet; Petr Tinyakov; Michel H. G. Tytgat

    2014-09-01T23:59:59.000Z

    The fraction of primordial black holes (PBHs) of masses $10^{17} - 10^{26}$ g in the total amount of dark matter may be constrained by considering their capture by neutron stars (NSs), which leads to the rapid destruction of the latter. The constraints depend crucially on the capture rate which, in turn, is determined by the energy loss by a PBH passing through a NS. Two alternative approaches to estimate the energy loss have been used in the literature: the one based on the dynamical friction mechanism, and another on tidal deformations of the NS by the PBH. The second mechanism was claimed to be more efficient by several orders of magnitude due to the excitation of particular oscillation modes reminiscent of the surface waves. We address this disagreement by considering a simple analytically solvable model that consists of a flat incompressible fluid in an external gravitational field. In this model, we calculate the energy loss by a PBH traversing the fluid surface. We find that the excitation of modes with the propagation velocity smaller than that of PBH is suppressed, which implies that in a realistic situation of a supersonic PBH the large contributions from the surface waves are absent and the above two approaches lead to consistent expressions for the energy loss.

  9. Benchmark on neutron capture extracted from $(d,p)$ reactions

    E-Print Network [OSTI]

    A. M. Mukhamedzhanov; F. M. Nunes; P. Mohr

    2008-05-30T23:59:59.000Z

    Direct neutron capture reactions play an important role in nuclear astrophysics and applied physics. Since for most unstable short-lived nuclei it is not possible to measure the $(n, \\gamma)$ cross sections, $(d,p)$ reactions have been used as an alternative indirect tool. We analyze simultaneously $^{48}{\\rm Ca}(d,p)^{49}{\\rm Ca}$ at deuteron energies $2, 13, 19$ and 56 MeV and the thermal $(n,\\gamma)$ reaction at 25 meV. We include results for the ground state and the first excited state of $^{49}$Ca. From the low-energy $(d,p)$ reaction, the neutron asymptotic normalization coefficient (ANC) is determined. Using this ANC, we extract the spectroscopic factor (SF) from the higher energy $(d,p)$ data and the $(n, \\gamma)$ data. The SF obtained through the 56 MeV $(d,p)$ data are less accurate but consistent with those from the thermal capture. We show that to have a similar dependence on the single particle parameters as in the $(n, \\gamma)$, the (d,p) reaction should be measured at 30 MeV.

  10. Electron-capture delayed fission in {sup 246}Es

    SciTech Connect (OSTI)

    Shaughnessy, D.A.; Gregorich, K.E.; Hendricks, M.B.; Lane, M.R. [Lawrence Berkeley National Lab., CA (United States)] [and others

    1997-12-31T23:59:59.000Z

    We have extended our systematic study of electron-capture delayed fission (ECDF) in neutron-deficient isotopes to {sup 246}Es. The {sup 246}Es was produced at the 88 Inch Cyclotron at Lawrence Berkeley National Laboratory via the {sup 249}Cf(p,xn){sup 250-x}Es reaction with 37 MeV protons. There were 19 {sup 249}Cf targets used simultaneously in our light ion multiple (LIM) target system. Alpha particles and fission fragments were detected in our rotating wheel system. In some experiments, TTA extractions were performed to remove interfering activities. The chemically separated samples were positioned between a solid-state particle detector and two x-rays detectors. This configuration enabled us to look for fissions in coincidence with K x-rays following electron-capture. Our measured production cross section of 13 {+-} 5 {mu}b for {sup 246}Es was much lower than the cross section predicted by a neutron evaporation code. The probability of delayed fission was determined from the number of x-ray/fission coincidences measured.

  11. Acid Gas Capture Using CO2-Binding Organic Liquids

    SciTech Connect (OSTI)

    Heldebrant, David J.; Koech, Phillip K.; Rainbolt, James E.; Zheng, Feng

    2010-11-10T23:59:59.000Z

    Current chemical CO2 scrubbing technology is primarily aqueous alkanolamine based. These systems rapidly bind CO2 (forming water-soluble carbamate and bicarbonate salts) however, the process has serious disadvantages. The concentration of monoethanolamine rarely exceeds 30 wt % due to the corrosive nature of the solution, and this reduces the maximum CO2 volumetric (?108 g/L) and gravimetric capacity (?7 wt%) of the CO2 scrubber. The ?30 wt % loading of ethanolamine also means that a large excess of water must be pumped and heated during CO2 capture and release, and this greatly increases the energy requirements especially considering the high specific heat of water (4 j/g-1K-1). Our approach is to switch to organic systems that chemically bind CO2 as liquid alkylcarbonate salts. Our CO2-binding organic liquids have higher CO2 solubility, lower specific heats, potential for less corrosion and lower binding energies for CO2 than aqueous systems. CO2BOLs also reversibly bind and release mixed sulfur oxides. Furthermore the CO2BOL system can be direct solvent replacements for any solvent based CO2 capture systems because they are commercially available reagents and because they are fluids they would not require extensive process re-engineering.

  12. Thermal-neutron capture gamma-rays. Volume 1

    SciTech Connect (OSTI)

    Tuli, J.K. [National Nuclear Data Center, Upton, NY (United States)

    1997-05-01T23:59:59.000Z

    The energy and photon intensity of gamma rays as seen in thermal-neutron capture are presented in ascending order of gamma energy. All those gamma-rays with intensity of {ge} 2% of the strongest transition are included. The two strongest transitions seen for the target nuclide are indicated in each case. Where the target nuclide mass number is indicated as nat the natural target was used. The gamma energies given are in keV. The gamma intensities given are relative to 100 for the strongest transition. All data for A > 44 are taken from Evaluated Nuclear Structure Data File (4/97), a computer file of evaluated nuclear structure data maintained by the National Nuclear Data Center, Brookhaven National Laboratory, on behalf of the Nuclear Structure and Decay and Decay Data network, coordinated by the International Atomic Energy Agency, Vienna. These data are published in Nuclear Data Sheets, Academic Press, San Diego, CA. The data for A {le} 44 is taken from ``Prompt Gamma Rays from Thermal-Neutron Capture,`` M.A. Lone, R.A. Leavitt, D.A. Harrison, Atomic Data and Nuclear Data Tables 26, 511 (1981).

  13. Hafnium Resonance Parameter Analysis Using Neutron Capture and Transmission Experiments

    SciTech Connect (OSTI)

    Trbovich, M J; Barry, D P; Slovacek, R E; Danon, Y; Block, R C; Francis, N C; Lubert, M; Burke, J A; Drindak, N J; Lienweber, G; Ballad, R

    2007-02-06T23:59:59.000Z

    The focus of this work is to determine the resonance parameters for stable hafnium isotopes in the 0.005 - 200 eV region, with special emphasis on the overlapping {sup 176}Hf and {sup 178}Hf resonances near 8 eV. Accurate hafnium cross sections and resonance parameters are needed in order to quantify the effects of hafnium found in zirconium, a metal commonly used in reactors. The accuracy of the cross sections and the corresponding resonance parameters used in current nuclear analysis tools are rapidly becoming the limiting factor in reducing the overall uncertainty on reactor physics calculations. Experiments measuring neutron capture and transmission are routinely performed at the Rensselaer Polytechnic Institute (RPI) LINAC using the time-of flight technique. {sup 6}Li glass scintillation detectors were used for transmission experiments at flight path lengths of 15 and 25 m, respectively. Capture experiments were performed using a sixteen section NaI multiplicity detector at a flight path length of 25 m. These experiments utilized several thicknesses of metallic and isotope-enriched liquid Hf samples. The liquid Hf samples were designed to provide information on the {sup 176}Hf and {sup 178}Hf contributions to the 8 eV doublet without saturation. Data analyses were performed using the R-matrix Bayesian code SAMMY. A combined capture and transmission data analysis yielded resonance parameters for all hafnium isotopes from 0.005 - 200 eV. Additionally, resonance integrals were calculated, along with errors for each hafnium isotope, using the NJOY and INTER codes. The isotopic resonance integrals calculated were significantly different than previous values. The {sup 176}Hf resonance integral, based on this work, is approximately 73% higher than the ENDF/B-VI value. This is due primarily to the changes to resonance parameters in the 8 eV resonance, the neutron width presented in this work is more than twice that of the previous value. The calculated elemental hafnium resonance integral however, changed very little.

  14. A Graphic Representation of States for Quantum Copying Machines

    E-Print Network [OSTI]

    Sara Felloni; Giuliano Strini

    2006-09-29T23:59:59.000Z

    The aim of this paper is to introduce a new graphic representation of quantum states by means of a specific application: the analysis of two models of quantum copying machines. The graphic representation by diagrams of states offers a clear and detailed visualization of quantum information's flow during the unitary evolution of not too complex systems. The diagrams of states are exponentially more complex in respect to the standard representation and this clearly illustrates the discrepancy of computational power between quantum and classical systems. After a brief introductive exposure of the general theory, we present a constructive procedure to illustrate the new representation by means of concrete examples. Elementary diagrams of states for single-qubit and two-qubit systems and a simple scheme to represent entangled states are presented. Quantum copying machines as imperfect cloners of quantum states are introduced and the quantum copying machines of Griffiths and Niu and of Buzek and Hillery are analyzed, determining quantum circuits of easier interpretation. The method has indeed shown itself to be extremely successful for the representation of the involved quantum operations and it has allowed to point out the characteristic aspects of the quantum computations examined.

  15. Scissors mode of Gd nuclei studied from resonance neutron capture

    SciTech Connect (OSTI)

    Kroll, J.; Baramsai, B.; Becker, J. A. [Charles University in Prague, CZ-180 00 Prague 8 (Czech Republic); North Carolina State University, Raleigh, NC 27695 (United States) and Triangle Universities Nuclear Laboratory, Durham, NC 27708 (United States); and others

    2012-10-20T23:59:59.000Z

    Spectra of {gamma} rays following the neutron capture at isolated resonances of stable Gd nuclei were measured. The objectives were to get new information on photon strength of {sup 153,155-159}Gd with emphasis on the role of the M1 scissors-mode vibration. An analysis of the data obtained clearly indicates that the scissors mode is coupled not only to the ground state, but also to all excited levels of the nuclei studied. The specificity of our approach ensures unbiasedness in estimating the sumed scissors-mode strength {Sigma}B(M1){up_arrow}, even for odd product nuclei, for which conventional nuclear resonance fluorescence measurements yield only limited information. Our analysis indicates that for these nuclei the sum {Sigma}B(M1){up_arrow} increases with A and for {sup 157,159}Gd it is significantly higher compared to {sup 156,158}Gd.

  16. Capturing and Analyzing User Behavior in Large Digital Libraries

    E-Print Network [OSTI]

    Gvianishvili, Giorgi; Šimko, Tibor; Caffaro, Jérôme; Marian, Ludmila; Kaplun, Samuele; Chan, Belinda; Rajman, Martin

    2010-01-01T23:59:59.000Z

    The size of digital libraries is increasing, making navigation and access to information more challenging. Improving the system by observing the users’ activities can help at providing better services to users of very large digital libraries. In this paper we explain how the Invenio open-source software, used by the CERN Document Server (CDS) allows fine grained logging of user behavior. In the first phase, the sequence of actions performed by users of CDS is captured, while in the second phase statistical data is calculated offline. This paper explains these two steps and the results. Although the analyzed system focuses on the high energy physics literature, the process could be applicable to other scientific communities, with and international, large user base.

  17. Neutrino oscillations and electron-capture storage-ring experiments

    E-Print Network [OSTI]

    Potzel, Walter

    2014-01-01T23:59:59.000Z

    Oscillations in the electron-capture (EC) decay rate observed in storage-ring experiments are reconsidered in connection with the neutrino mass difference. Taking into account that - according to Relativity Theory - time is slowed down in the reference frame of the orbiting charged particles as compared to the neutral particles (neutrinos) moving on a rectilinear path after the EC decay, we derive a value of $\\Delta m^{2}_{21}=(0.768\\pm0.012)\\cdot10^{-4} eV^{2}$ for the neutrino mass-squared difference which fully agrees with that observed in other neutrino-oscillation experiments. To further check the connection between EC-decay oscillations and $\\Delta m^{2}_{21}$ we suggest experiments with different orbital speeds, i.e., different values of the Lorentz factor.

  18. Neutrino oscillations and electron-capture storage-ring experiments

    E-Print Network [OSTI]

    Walter Potzel

    2015-01-20T23:59:59.000Z

    Oscillations in the electron-capture (EC) decay rate observed in storage-ring experiments are reconsidered in connection with the neutrino mass difference. Taking into account that - according to Relativity Theory - time is slowed down in the reference frame of the orbiting charged particles as compared to the neutral particles (neutrinos) moving on a rectilinear path after the EC decay, we derive a value of $\\Delta m^{2}_{21}=(0.768\\pm0.012)\\cdot10^{-4} eV^{2}$ for the neutrino mass-squared difference which fully agrees with that observed in other neutrino-oscillation experiments. To further check the connection between EC-decay oscillations and $\\Delta m^{2}_{21}$ we suggest experiments with different orbital speeds, i.e., different values of the Lorentz factor.

  19. EFFECTIVENESS OF COPPER AND BRONZE FOR ZINC CAPTURE

    SciTech Connect (OSTI)

    Korinko, P. S.

    2012-11-02T23:59:59.000Z

    A series of experiments was conducted to determine the efficacy of using copper and bronze sheet and screen under high vacuum conditions to capture zinc vapor. The experiments were conducted in a parametric manner using a fixed zinc vaporization temperature (350°C) but varying the filter temperature from ambient to 550°C. Consistent with previous work, metallic zinc was deposited at low temperatures, but the deposit was non?adherent. At an intermediate temperature range (350?450°C), the deposit formed an alloy with both copper and bronze materials. At higher temperatures (> 500°C) the zinc did not deposit on the surfaces likely due to its high vapor pressure. Additional testing to optimize the zinc 'getter' chemistry and surface condition is warranted.

  20. Influence of the Target - Density Effects on Electron - Capture Processes

    SciTech Connect (OSTI)

    Tolstikhina, I.Yu.; Shevelko, V.P. [P.N.Lebedev Physical Institute, 119991, Moscow (Russian Federation)

    2004-12-01T23:59:59.000Z

    The influence of the target density on the electron-capture (EC) processes in collisions of fast ions with atoms and molecules is considered. The partial EC cross sections {sigma}n on the principal quantum number n of the scattered projectile, as well as the total {sigma}tot values are calculated for highly charged ions interacting with gaseous and solid targets in the energy range of E = 100 keV/amu to 10 MeV/amu. It is shown that with the target density increasing, the population of the excited states of the scattered projectiles, formed via the EC channel, is suppressed due to projectile ionization by the target particles and, as a result, the effective EC cross sections drastically decrease.

  1. Computational Tools for Accelerating Carbon Capture Process Development

    SciTech Connect (OSTI)

    Miller, David

    2013-01-01T23:59:59.000Z

    The goals of the work reported are: to develop new computational tools and models to enable industry to more rapidly develop and deploy new advanced energy technologies; to demonstrate the capabilities of the CCSI Toolset on non-proprietary case studies; and to deploy the CCSI Toolset to industry. Challenges of simulating carbon capture (and other) processes include: dealing with multiple scales (particle, device, and whole process scales); integration across scales; verification, validation, and uncertainty; and decision support. The tools cover: risk analysis and decision making; validated, high-fidelity CFD; high-resolution filtered sub-models; process design and optimization tools; advanced process control and dynamics; process models; basic data sub-models; and cross-cutting integration tools.

  2. Neutron capture by 15N nucleus at astrophysical energies

    E-Print Network [OSTI]

    S. B. Dubovichenko; N. V. Afanasyeva

    2013-04-07T23:59:59.000Z

    Within the potential cluster model with the forbidden states and an orbital states classification according to the Young diagrams the possibility of description of experimental data for the total cross-sections of radiative n15N-capture at energies from 25 to 370 keV was considered. It was shown that only on basis of the E1-transitions from the different states of n15N-scattering to the ground state of 16N nucleus in n15N-channel it is well succeed to explain the value of the total cross-sections in the considered energy range and to prognosticate its behavior at energy E 1 eV. These cross-sections at energies E 10 keV are approximated by the simple analytical form.

  3. CO2 Capture by Absorption with Potassium Carbonate

    SciTech Connect (OSTI)

    Gary T. Rochelle; Eric Chen; Babatunde Oyenekan; Andrew Sexton; Jason Davis; Marcus Hilliard; Amornvadee Veawab

    2006-09-30T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. Ethylenediamine was detected in a degraded solution of MEA/PZ solution, suggesting that piperazine is subject to oxidation. Stripper modeling has demonstrated that vacuum strippers will be more energy efficient if constructed short and fat rather than tall and skinny. The matrix stripper has been identified as a configuration that will significantly reduce energy use. Extensive measurements of CO{sub 2} solubility in 7 m MEA at 40 and 60 C have confirmed the work by Jou and Mather. Corrosion of carbon steel without inhibitors increases from 19 to 181 mpy in lean solutions of 6.2 m MEA/PZ as piperazine increases from 0 to 3.1 m.

  4. CO{sub 2} CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

    SciTech Connect (OSTI)

    Gary T. Rochelle; J.Tim Cullinane; Marcus Hilliard; Eric Chen; Babatunde Oyenekan; Ross Dugas

    2005-01-31T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. Thermodynamic modeling predicts that the heat of desorption of CO{sub 2} from 5m K+/2.5 PZ from 85 kJ/mole at 40 C to 30 kJ/mole at 120 C. Mass transfer modeling of this solvent suggests that carbonate and general salt concentration play a major role in catalyzing the rate of reaction of CO{sub 2} with piperazine. Stripper modeling suggests that with the multipressure stripper, the energy consumption with a generic solvent decreases by 15% as the heat of desorption is decreased from 23.8 to 18.5 kcal/gmol. A second pilot plant campaign with 5m K+/2.5 PZ was successfully completed.

  5. CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

    SciTech Connect (OSTI)

    Gary T. Rochelle; Eric Chen; J.Tim Cullinane; Marcus Hilliard; Jennifer Lu; Babatunde Oyenekan; Ross Dugas

    2004-07-29T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. CO{sub 2} mass transfer rates are second order in piperazine concentration and increase with ionic strength. Modeling of stripper performance suggests that 5 m K{sup +}/2.5 m PZ will require 25 to 46% less heat than 7 m MEA. The first pilot plant campaign was completed on June 24. The CO{sub 2} penetration through the absorber with 20 feet of Flexipac{trademark} 1Y varied from 0.6 to 16% as the inlet CO{sub 2} varied from 3 to 12% CO{sub 2} and the gas rate varied from 0.5 to 3 kg/m{sup 2}-s.

  6. CO2 Capture by Absorption with Potassium Carbonate

    SciTech Connect (OSTI)

    Gary T. Rochelle; Eric Chen; Babatunde Oyenekan; Andrew Sexton; Amorvadee Veawab

    2006-04-28T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. The final campaign of the pilot plant was completed in February 2006 with 5m K{sup +}/2.5m PZ and 6.4m K{sup +}/1.6m PZ using Flexipac AQ Style 20. The new cross-exchanger reduced the approach temperature to less than 9 C. Stripper modeling has demonstrated that a configuration with a ''Flashing Feed'' requires 6% less work that a simple stripper. The oxidative degradation of piperazine proceeds more slowly than that of monoethanolamine and produces ethylenediamine and other products. Uninhibited 5 m KHCO{sub 3}/2.5 m PZ corrodes 5 to 6 times faster that 30% MEA with 0.2 mol CO{sub 2}/mol MEA.

  7. CO2 Capture by Absorption with Potassium Carbonate

    SciTech Connect (OSTI)

    Gary T. Rochelle; Eric Chen; Babatunde Oyenekan; Andrew Sexton; Jason Davis; Marcus Hilliard; Amorvadee Veawab

    2006-07-28T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. The pilot plant data have been reconciled using 17% inlet CO{sub 2}. A rate-based model demonstrates that the stripper is primarily controlled by liquid film mast transfer resistance, with kinetics at vacuum and diffusion of reactants and products at normal pressure. An additional major unknown ion, probably glyoxylate, has been observed in MEA degradation. Precipitation of gypsum may be a feasible approach to removing sulphate from amine solutions and providing for simultaneous removal of CO{sub 2} and SO{sub 2}. Corrosion of carbon steel in uninhibited MEA solution is increased by increased amine concentration, by addition of piperazine, and by greater CO{sub 2} loading.

  8. CO2 Capture by Absorption with Potassium Carbonate

    SciTech Connect (OSTI)

    Gary T. Rochelle; Marcus Hilliard; Eric Chen; Babatunde Oyenekan; Ross Dugas; John McLees; Andrew Sexton; Daniel Ellenberger

    2005-10-26T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. Modeling of stripper performance suggests that vacuum stripping may be an attractive configuration for all solvents. Flexipac 1Y structured packing performs in the absorber as expected. It provides twice as much mass transfer area as IMTP No.40 dumped packing. Independent measurements of CO{sub 2} solubility give a CO{sub 2} loading that is 20% lower than that Cullinane's values with 3.6 m PZ at 100-120 C. The effective mass transfer coefficient (K{sub G}) in the absorber with 5 m K/2.5 m PZ appears to be 0 to 30% greater than that of 30 wt% MEA.

  9. CO2 Capture by Absorption with Potassium Carbonate

    SciTech Connect (OSTI)

    Gary T. Rochelle; Marcus Hilliard; Eric Chen; Babatunde Oyenekan; Ross Dugas; John McLees; Andrew Sexton; Amorvadee Veawab

    2005-01-26T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. In Campaign 3 of the pilot plant, the overall mass transfer coefficient for the stripper with 7 m MEA decreased from 0.06 to 0.01 mol/(m{sup 3}.s.kPa) as the rich loading increased from 0.45 to 0.6 mol CO{sub 2}/mol MEA. Anion chromatography has demonstrated that nitrate and nitrite are major degradation products of MEA and PZ with pure oxygen. In measurements with the high temperature FTIR in 7 m MEA the MEA vapor pressure varied from 2 to 20 Pa at 35 to 70 C. In 2.5 m PZ the PZ vapor pressure varied from 0.2 to 1 Pa from 37 to 70 C.

  10. CO2 CAPTURE BY ABSORPTION WITH POTASSIUM CARBONATE

    SciTech Connect (OSTI)

    Gary T. Rochelle; Eric Chen; Jennifer Lu; Babatunde Oyenekan; Ross Dugas

    2005-04-29T23:59:59.000Z

    The objective of this work is to improve the process for CO{sub 2} capture by alkanolamine absorption/stripping by developing an alternative solvent, aqueous K{sub 2}CO{sub 3} promoted by piperazine. Stripper modeling suggests the energy requirement with a simple stripper will be about the same for 5 m K{sup +}/2.5 m PZ and 7 m MEA. Modeling with a generic solvent shows that the optimum heat of CO{sub 2} desorption to minimize heat duty lies between 15 and 25 kcal/gmol. On-line pH and density measurements are effective indicators of loading and total alkalinity for the K+/PZ solvent. The baseline pilot plant campaign with 30% MEA has been started.

  11. Measurement of carbon capture efficiency and stored carbon leakage

    DOE Patents [OSTI]

    Keeling, Ralph F.; Dubey, Manvendra K.

    2013-01-29T23:59:59.000Z

    Data representative of a measured carbon dioxide (CO.sub.2) concentration and of a measured oxygen (O.sub.2) concentration at a measurement location can be used to determine whether the measured carbon dioxide concentration at the measurement location is elevated relative to a baseline carbon dioxide concentration due to escape of carbon dioxide from a source associated with a carbon capture and storage process. Optionally, the data can be used to quantify a carbon dioxide concentration increase at the first location that is attributable to escape of carbon dioxide from the source and to calculate a rate of escape of carbon dioxide from the source by executing a model of gas-phase transport using at least the first carbon dioxide concentration increase. Related systems, methods, and articles of manufacture are also described.

  12. ANALYTICAL METHODS FOR DISCRIMINATING STARDUST IN AEROGEL CAPTURE MEDIA

    E-Print Network [OSTI]

    Sean Brennan; Hope A. Ishii; John P. Bradley; Katharina Luening; Piero Pianetta

    Methods using X-ray fluorescence have been developed to identify cometary material captured in aerogel during the NASA Stardust mission to Comet 81P/Wild 2. These analytical methods are necessitated by the levels of trace contaminants present in the aerogel. The cometary material disaggregates during deceleration in the aerogel, so fluorescence mapping of the entire track (which can be several millimeters long) is necessary. Distinguishing those pixels which have cometary material and aerogel from those which have only cometary material can be very challenging. We have chosen a “dual threshold ” method, with some pixels clearly having only aerogel (plus contaminants) and other pixels clearly having cometary and aerogel material. Between these two threshold levels is a set of pixels which cannot be easily ascribed to one or the other. By leaving these pixels out of the analysis, the estimate of cometary material is improved.

  13. Non-dissipative energy capture of confined liquid in nanopores

    SciTech Connect (OSTI)

    Xu, Baoxing; Chen, Xi [Columbia Nanomechanics Research Center, Department of Earth and Environmental Engineering, Columbia University, New York, New York 10027 (United States); Lu, Weiyi; Zhao, Cang [Department of Structural Engineering, University of California–San Diego, La Jolla, California 92093-0085 (United States); Qiao, Yu, E-mail: yqiao@ucsd.edu [Department of Structural Engineering, University of California–San Diego, La Jolla, California 92093-0085 (United States); Program of Materials Science and Engineering, University of California–San Diego, La Jolla, CA 92093 (United States)

    2014-05-19T23:59:59.000Z

    In the past, energy absorption of protection/damping materials is mainly based on energy dissipation, which causes a fundamental conflict between the requirements of safety/comfort and efficiency. In the current study, a nanofluidic “energy capture” system is reported, which is based on nanoporous materials and nonwetting liquid. Both molecular dynamics simulations and experiments show that as the liquid overcomes the capillary effect and infiltrates into the nanopores, the mechanical energy of a stress wave could be temporarily stored by the confined liquid phase and isolated from the wave energy transmission path. Such a system can work under a relatively low pressure for mitigating high-pressure stress waves, not necessarily involved in any energy dissipation processes.

  14. Geological Sequestration Training and Research Program in Capture and Transport: Development of the Most Economical Separation Method for CO2 Capture

    SciTech Connect (OSTI)

    Vahdat, Nader

    2013-09-30T23:59:59.000Z

    The project provided hands-on training and networking opportunities to undergraduate students in the area of carbon dioxide (CO2) capture and transport, through fundamental research study focused on advanced separation methods that can be applied to the capture of CO2 resulting from the combustion of fossil-fuels for power generation . The project team’s approach to achieve its objectives was to leverage existing Carbon Capture and Storage (CCS) course materials and teaching methods to create and implement an annual CCS short course for the Tuskegee University community; conduct a survey of CO2 separation and capture methods; utilize data to verify and develop computer models for CO2 capture and build CCS networks and hands-on training experiences. The objectives accomplished as a result of this project were: (1) A comprehensive survey of CO2 capture methods was conducted and mathematical models were developed to compare the potential economics of the different methods based on the total cost per year per unit of CO2 avoidance; and (2) Training was provided to introduce the latest CO2 capture technologies and deployment issues to the university community.

  15. Carbon Dioxide Capture Technology for the Coal-Powered Electricity Industry: A Systematic Prioritization of Research Needs

    E-Print Network [OSTI]

    Carbon Dioxide Capture Technology for the Coal-Powered Electricity Industry: A Systematic and Policy Program #12;- 2 - #12;Carbon Dioxide Capture Technology for the Coal-Powered Electricity Industry must be developed for capturing CO2 from power plants. Current CO2 capture technology is expensive

  16. Some unitary representations of Thompson's groups F and T

    E-Print Network [OSTI]

    Vaughan F. R. Jones

    2014-12-24T23:59:59.000Z

    In a "naive" attempt to create algebraic quantum field theories on the circle, we obtain a family of unitary representations of Thompson's groups T and F for any subfactor. The Thompson group elements are the "local scale transformations" of the theory. In a simple case the coefficients of the representations are polynomial invariants of links. We show that all links arise and introduce new "oriented" subgroups $\\overrightarrow F

  17. Clifford, Dirac, and Majorana algebras, and their representations

    SciTech Connect (OSTI)

    Salingaros, N.

    1981-04-01T23:59:59.000Z

    We show that the Dirac algebra is an algebra in five dimensions. It has traditionally been confused with the two distinct algebras in four dimensions, which we have identified as the Majorana algebra and the Clifford algebra in Minkowski space-time. A careful discussion of the subtle inter-relationship between these three algebras is achieved by employing a basis of differential forms. In addition, we provide for the first time a 4 x 4 complex matrix representation of the Clifford algebra in Minkowski spacetime, and compare it to the matrix representations of the Dirac and Majorana algebras. A remark on Eddington's E-numbers is included.

  18. Representations of the LL BFKL Kernel and the Bootstrap

    E-Print Network [OSTI]

    G. P. Vacca

    2005-09-20T23:59:59.000Z

    Different forms of the BFKL kernel both in coordinate and momentum representations may appear as a result of different gauge choices and/or inner scalar products of the color singlet states. We study a spectral representation of the BFKL kernel not defined on the Moebius space of functions but on a deformation of it, which provides the usual bootstrap property due to gluon reggeization. In this space the corresponding symmetry is made explicit introducing a deformed realization of the sl(2,C) algebra.

  19. Calibrating Bayesian Network Representations of Social-Behavioral Models

    SciTech Connect (OSTI)

    Whitney, Paul D.; Walsh, Stephen J.

    2010-04-08T23:59:59.000Z

    While human behavior has long been studied, recent and ongoing advances in computational modeling present opportunities for recasting research outcomes in human behavior. In this paper we describe how Bayesian networks can represent outcomes of human behavior research. We demonstrate a Bayesian network that represents political radicalization research – and show a corresponding visual representation of aspects of this research outcome. Since Bayesian networks can be quantitatively compared with external observations, the representation can also be used for empirical assessments of the research which the network summarizes. For a political radicalization model based on published research, we show this empirical comparison with data taken from the Minorities at Risk Organizational Behaviors database.

  20. amine-based carbon capture: Topics by E-print Network

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

    Amines during Amine-Based CO2 Chemistry Websites Summary: Capture for Post-combustion Carbon Sequestration Background Generation of electricity and heat from power- combustion...

  1. Capturing Value in a Global Innovation Network: A Comparison of Radical and Incremental Innovation

    E-Print Network [OSTI]

    Dedrick, Jason; Kraemer, Kenneth L; Linden, Greg

    2007-01-01T23:59:59.000Z

    Software Storage Storage Battery Memory Memory ComponentDisplay Software Storage Storage Battery Memory Memory InputCapture Type Storage Processor Display Memory Battery Input

  2. Calcifying Cyanobacteria - The potential of biomineralization for Carbon Capture and Storage

    E-Print Network [OSTI]

    Jansson, Christer G

    2010-01-01T23:59:59.000Z

    carbon dioxide (CO 2 ) from fossil fuels, and hence mitigate climate change, include energy savings, development of renewable biofuels, and carbon capture and storage (

  3. New solar cell technology captures high-energy photons more efficientl...

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

    (click to enlarge) Argonne's Center for Nanoscale Materials (click to enlarge) New solar cell technology captures high-energy photons more efficiently By Jared Sagoff *...

  4. Boron containing compounds and their preparation and use in neutron capture therapy

    DOE Patents [OSTI]

    Gabel, Detlef (Bremen, DE)

    1992-01-01T23:59:59.000Z

    The present invention pertains to boron containing thiouracil derivatives, their method of preparations, and their use in the therapy of malignant melanoma using boron neutron capture therapy.

  5. Thiourea derivatives, methods of their preparation and their use in neutron capture therapy of malignant melanoma

    DOE Patents [OSTI]

    Gabel, Detlef (Bremen, DE)

    1991-01-01T23:59:59.000Z

    The present invention pertains to boron containing thiouracil derivatives, their method of preparations, and their use in the therapy of malignant melanoma using boron neutron capture therapy.

  6. Use of experience curves to estimate the future cost of power plants with CO2 capture

    E-Print Network [OSTI]

    Rubin, Edward S.; Yeh, Sonia; Antes, Matt; Berkenpas, Michael; Davison, John

    2007-01-01T23:59:59.000Z

    2004. Experience curves for power plant emission controlassessments of fossil fuel power plants with CO 2 capturethe future cost of power plants with CO 2 capture Edward S.

  7. A Framework for Environmental Assessment of CO2 Capture and Storage Systems

    E-Print Network [OSTI]

    Sathre, Roger

    2013-01-01T23:59:59.000Z

    capture and storage with renewable energy technologiesand storage: Fundamental thermodynamics and current technology. Energyand storage at scale: Lessons from the growth of analogous energy technologies.

  8. Representations and Properties of Generalized $A_r$ Statistics

    E-Print Network [OSTI]

    Mohammed Daoud

    2006-06-20T23:59:59.000Z

    A generalization of $A_r$ statistics is proposed and developed. The generalized $A_r$ quantum statistics is completely specified by a set of Jacobson generators satisfying a set of triple algebraic relations. Fock-Hilbert representations and Bargmann-Fock realizations are derived.

  9. A Simple Representation Technique to Improve GA Performance

    E-Print Network [OSTI]

    's performance by allowing a more rapid search through the hypothesis space. This is achieved by the prior be very different than their parents, thus increasing the speed in which the hypothesis space is searchedA Simple Representation Technique to Improve GA Performance Steven L. Keast Department of Computer

  10. Music Representation in a Digital Music Library Donald Byrd

    E-Print Network [OSTI]

    Indiana University

    Music Representation in a Digital Music Library Donald Byrd School of Music Indiana University Bloomington, IN 47401 812-855-0296 isaacso@indiana.edu Abstract The Variations2 digital music library users. 1. Introduction Variations2 is a large-scale digital music library project under development

  11. Rendering Optical Effects Based on Spectra Representation in Complex Scenes

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    Rendering Optical Effects Based on Spectra Representation in Complex Scenes Weiming Dong Project ALICE, INRIA Lorraine/Loria, France Weiming.Dong@loria.fr Abstract. Rendering the structural color sensitive phenomena. Achieving the rendering of complex scenes with both the full spectra and RGB light

  12. Path-transformations in probability and representation theory

    E-Print Network [OSTI]

    Jordan, Jonathan

    Path-transformations in probability and representation theory Neil O'Connell University of Warwick Biane and Philippe Bougerol Neil O'Connell Path-transforms in probability and rep. theory #12;Pitman is a three-dimensional Bessel process. Neil O'Connell Path-transforms in probability and rep. theory #12;The

  13. FROM NO"RLUND MATRICES TO LAPLACE REPRESENTATIONS

    E-Print Network [OSTI]

    Sinnamon, Gordon J.

    (and not * *too large) on the line Re z = 0, the Laplace transform LF is just the (Poisson exte* *nsion of the) Fourier transform of F . It is therefore appropriate to view the power * *series. Analogous inequalities are proved for power series representations * *of functions in weighted Hardy

  14. Knowledge representation in process engineering Franz Baader and Ulrike Sattler

    E-Print Network [OSTI]

    Baader, Franz

    Knowledge representation in process engineering Franz Baader and Ulrike Sattler RWTH Aachen to represent the relevant process engi­ neering knowledge. The application domain Process engineering knowledge engineer), and not automatically in­ ferred from the definition of the class. As the complexity

  15. Subspace Segmentation with A Minimal Squared Frobenius Norm Representation

    E-Print Network [OSTI]

    Yu, Yizhou

    Minimal Squared Frobenius Norm Representa- tion (MSFNR). MSFNR performs data clustering by solving benchmark [9]. However, LRR in- volves nuclear norm1 minimization. Solving LRR re- quires computing multiple Representation (MSFNR). It employs convex optimization to perform subspace clustering. The method minimizes

  16. Attention and biased competition in multi-voxel object representations

    E-Print Network [OSTI]

    VanRullen, Rufin

    . In a multidimensional voxel space, the response to simultaneously-presented categories was well described as a weighted.e., univariate) fMRI methods (13­15), these recently discov- ered multivariate pattern analysis techniques have to understand attentional influences in large-scale multivariate representations of simultaneously

  17. Analytical Representation of the Longitudinal Hadronic Shower Development

    E-Print Network [OSTI]

    Y. A. Kulchitsky; V. B. Vinogradov

    1999-03-12T23:59:59.000Z

    The analytical representation of the longitudinal hadronic shower development from the face of a calorimeter is presented and compared with experimental data. The suggested formula is particularly useful at designing, testing and calibration of huge calorimeter complex like in ATLAS at LHC.

  18. Analytical representation of the longitudinal hadronic shower development

    E-Print Network [OSTI]

    Kulchitskii, Yu A

    1998-01-01T23:59:59.000Z

    The analytical representation of the longitudinal hadronic shower development from the face of a calorimeter is presented and compared with experimental data. The suggested formula is particularly useful at designing, testing and calibration of huge calorimeter complex like in ATLAS at LHC.

  19. Security Requirements Engineering: A Framework for Representation and Analysis

    E-Print Network [OSTI]

    Nuseibeh, Bashar

    Security Requirements Engineering: A Framework for Representation and Analysis Charles B. Haley Abstract--This paper presents a framework for security requirements elicitation and analysis. The framework is based on constructing a context for the system, representing security requirements as constraints

  20. Compact Representation of Coordinated Sampling Policies for Body Sensor Networks

    E-Print Network [OSTI]

    Panangadan, Anand

    .Talukder@jpl.nasa.gov Abstract Embedded sensors of a Body Sensor Network need to efficiently utilize their energy resources Department of Electrical Engineering Los Angeles, CA 90089, USA 1-213-821-0871 {lius,raghu}@usc.edu 2 of a compact representation is feasible with little loss in performance. The global optimal policy is computed

  1. CAPlets: wavelet representations without wavelets Youngmi Hur Amos Ron

    E-Print Network [OSTI]

    Liblit, Ben

    CAPlets: wavelet representations without wavelets Youngmi Hur Amos Ron Department of Mathematics" between each two consecutive layers is recorded in terms of detail coefficients. Wavelet decomposition of wavelet decompositions is their implementation and inversion by a fast algorithm, the so-called fast

  2. Interactive Dimensions in the Construction of Mental Representations for Text

    E-Print Network [OSTI]

    Patel, Aniruddh D.

    Interactive Dimensions in the Construction of Mental Representations for Text David N. Rapp be as critical to the construction of complex mental models as the discrete dimensions themselves. In the present a bead on Specify again. Incredibly, the horse was still rolling along. A pang of fear went through Woolf

  3. TORSION, AS A FUNCTION ON THE SPACE OF REPRESENTATIONS

    E-Print Network [OSTI]

    Haller, Stefan

    triangulation, and the dynamical torsion to a vector field with the properties listed in section 2TORSION, AS A FUNCTION ON THE SPACE OF REPRESENTATIONS DAN BURGHELEA AND STEFAN HALLER Abstract functions on Rep M (#; V ) called in this paper complex valued Ray--Singer torsion, Milnor--Turaev torsion

  4. Brief Communications Unstable Representation of Sound: A Biological Marker of

    E-Print Network [OSTI]

    Brief Communications Unstable Representation of Sound: A Biological Marker of Dyslexia Jane and reading skills. Children with dyslexia, who often exhibit impairments in auditory-based perceptual skills manifestations of auditory impairments in dyslexia include impaired perception of speech in background noise

  5. Representation Theory, Geometry & Combinatorics Organizer: M. Haiman and N. Reshetikhin

    E-Print Network [OSTI]

    Haiman, Mark D.

    Representation Theory, Geometry & Combinatorics Seminar Organizer: M. Haiman and N. Reshetikhin Wednesday, 4:00­6:00pm, 939 Evans Apr. 14 Ivan Shestakov, IME-USP, S~ao Paolo Nonassociative Lie Theory The theory of Lie algebras is one of the corner-stones of modern mathematics and physics. They usually relate

  6. CONTEXTUALLY ADAPTIVE SIGNAL REPRESENTATION USING CONDITIONAL PRINCIPAL COMPONENT ANALYSIS

    E-Print Network [OSTI]

    Rajashekar, Umesh

    is the construction of bases that are adapted to individual signal in- stances. Here we develop a new framework. Index Terms-- Adaptive basis, conditional PCA, self-similarities, image modeling, image representation traditional methods, primarily due to the cost of encoding the indices of selected basis elements

  7. Case Generation Using Rough Sets with Fuzzy Representation

    E-Print Network [OSTI]

    Mitra, Pabitra

    , granular computing, rough-fuzzy hybridization, soft computing, pattern recognition, data mining. æ 1 for case generation. Fuzzy set theory is used for linguistic representation of patterns, thereby producing a fuzzy granulation of the feature space. Rough set theory is used to obtain dependency rules which model

  8. BACK TO OFFICE REPORT Enhancing the Representation of Environment and

    E-Print Network [OSTI]

    BACK TO OFFICE REPORT Enhancing the Representation of Environment and Natural Resources in Poverty be established when PRSPs are combined with Sector-Wide Approaches to funding development through Medium-Term Expenditure Frameworks (MTEF). Environment and Natural Resources (ENR) are recognised by the international

  9. Network sampling and classification: An investigation of network model representations

    E-Print Network [OSTI]

    Needleman, Daniel

    only one or two connectivity patterns of an observed network--such as degree distribution, or diameterNetwork sampling and classification: An investigation of network model representations Edoardo M: Connectivity pattern Network type Network metrics Network sampling Network classification Methods

  10. Towards Event Sequence Representation, Reasoning and Visualization for EHR Data

    E-Print Network [OSTI]

    Golbeck, Jennifer

    Towards Event Sequence Representation, Reasoning and Visualization for EHR Data Cui Tao Dept will provide a comprehensive environment for users to visualize inferred temporal relationships from EHR data the narrative, temporal reasoning is also needed in order to analyze the trends in time. Manually assessing tens

  11. Nucleon-nucleon potentials in phase-space representation

    E-Print Network [OSTI]

    H. Feldmeier; T. Neff; D. Weber

    2014-12-02T23:59:59.000Z

    A phase-space representation of nuclear interactions, which depends on the distance $\\vec{r}$ and relative momentum $\\vec{p}$ of the nucleons, is presented. A method is developed that permits to extract the interaction $V(\\vec{r},\\vec{p})$ from antisymmetrized matrix elements given in a spherical basis with angular momentum quantum numbers, either in momentum or coordinate space representation. This representation visualizes in an intuitive way the non-local behavior introduced by cutoffs in momentum space or renormalization procedures that are used to adapt the interaction to low momentum many-body Hilbert spaces, as done in the unitary correlation operator method or with the similarity renormalization group. It allows to develop intuition about the various interactions and illustrates how the softened interactions reduce the short-range repulsion in favor of non-locality or momentum dependence while keeping the scattering phase shifts invariant. It also reveals that these effective interactions can have undesired complicated momentum dependencies at momenta around and above the Fermi momentum. Properties, similarities and differences of the phase-space representations of the Argonne and the N3LO chiral potential, and their UCOM and SRG derivatives are discussed.

  12. THE CATEGORICAL WEIL REPRESENTATION SHAMGAR GUREVICH AND RONNY HADANI

    E-Print Network [OSTI]

    Gurevich, Shamgar

    ))f(y), where G(B, ) is an appropriate Gauss sum normalization. 0.2. Canonical vector space. In [10, 11 of odd characteristic: There exists a canonical system of intertwining operators between the Lagrangian models of the Heisenberg representation. This defines a canonical vector space H(V ) associated

  13. Neutron Capture Cross Section Measurement on $^{238}$Pu at DANCE

    SciTech Connect (OSTI)

    Chyzh, A; Wu, C Y

    2011-02-14T23:59:59.000Z

    The proposed neutron capture measurement for {sup 238}Pu was carried out in Nov-Dec, 2010, using the DANCE array at LANSCE, LANL. The total beam-on-target time is about 14 days plus additional 5 days for the background measurement. The target was prepared at LLNL with the new electrplating cell capable of plating the {sup 238}Pu isotope simultaneously on both sides of the 3-{micro}m thick Ti backing foil. A total mass of 395 {micro}g with an activity of 6.8 mCi was deposited onto the area of 7 mm in diameter. The {sup 238}Pu sample was enriched to 99.35%. The target was covered by 1.4 {micro}m double-side aluminized mylar and then inserted into a specially designed vacuum-tight container, shown in Fig. 1, for the {sup 238}Pu containment. The container was tested for leaks in the vacuum chamber at LLNL. An identical container without {sup 238}Pu was made as well and used as a blank for the background measurement.

  14. Neutron tube design study for boron neutron capture therapy application

    SciTech Connect (OSTI)

    Verbeke, J.M.; Lee, Y.; Leung, K.N.; Vujic, J.; Williams, M.D.; Wu, L.K.; Zahir, N.

    1999-05-06T23:59:59.000Z

    Radio-frequency (RF) driven ion sources are being developed in Lawrence Berkeley National Laboratory (LBNL) for sealed-accelerator-tube neutron generator application. By using a 5-cm-diameter RF-driven multicusp source H{sup +} yields over 95% have been achieved. These experimental findings will enable one to develop compact neutron generators based on the D-D or D-T fusion reactions. In this new neutron generator, the ion source, the accelerator and the target are all housed in a sealed metal container without external pumping. Recent moderator design simulation studies have shown that 14 MeV neutrons could be moderated to therapeutically useful energy ranges for boron neutron capture therapy (BNCT). The dose near the center of the brain with optimized moderators is about 65% higher than the dose obtained from a typical neutron spectrum produced by the Brookhaven Medical Research Reactor (BMRR), and is comparable to the dose obtained by other accelerator-based neutron sources. With a 120 keV and 1 A deuteron beam, a treatment time of {approx}35 minutes is estimated for BNCT.

  15. The Planets-Capture Model of V838 Monocerotis

    E-Print Network [OSTI]

    Alon Retter; Bing Zhang; Lionel Siess; Amir Levinson; Ariel Marom

    2006-06-20T23:59:59.000Z

    The planets capture model for the eruption of V838 Mon is discussed. We used three methods to estimate the location where the planets were consumed. There is a nice consistency for the results of the three different methods, and we find that the typical stopping / slowing radius for the planets is about 1Ro. The three peaks in the optical light curve of V838 Mon are either explained by the swallowing of three planets at different radii or by three steps in the slowing down process of a single planet. We discuss the other models offered for the outburst of V838 Mon, and conclude that the binary merger model and the planet/s scenario seem to be the most promising. These two models have several similarities, and the main differences are the stellar evolutionary stage, and the mass of the accreted material. We show that the energy emitted in the V838 Mon event is consistent with the planets scenario. We suggest a few explanations for the trigger for the outburst and for the double structure of the optical peaks in the light curve of V838 Mon.

  16. Carbon capture retrofits and the cost of regulatory uncertainty

    SciTech Connect (OSTI)

    Reinelt, P.S.; Keith, D.W. [SUNY College of Fredonia, Fredonia, NY (United States). Dept. of Economics

    2007-07-01T23:59:59.000Z

    Power generation firms confront impending replacement of an aging coal-fired fleet in a business environment characterized by volatile natural gas prices and uncertain carbon regulation. We develop a stochastic dynamic programming model of firm investment decisions that minimizes the expected present value of future power generation costs under uncertain natural gas and carbon prices. We explore the implications of regulatory uncertainty on generation technology choice and the optimal timing of investment, and assess the implications of these choices for regulators. We find that interaction of regulatory uncertainty with irreversible investment always raises the social cost of carbon abatement. Further, the social cost of regulatory uncertainty is strongly dependent on the relative competitiveness of IGCC plants, for which the cost of later carbon capture retrofits is comparatively small, and on the firm's ability to use investments in natural gas generation as a transitional strategy to manage carbon regulation uncertainty. Without highly competitive IGCC or low gas prices, regulatory uncertainty can increase the expected social cost of reducing emissions by 40 to 60%.

  17. Carbon Capture and Sequestration: A Regulatory Gap Assessment

    SciTech Connect (OSTI)

    Lincoln Davies; Kirsten Uchitel; John Ruple; Heather Tanana

    2012-04-30T23:59:59.000Z

    Though a potentially significant climate change mitigation strategy, carbon capture and sequestration (CCS) remains mired in demonstration and development rather than proceeding to full-scale commercialization. Prior studies have suggested numerous reasons for this stagnation. This Report seeks to empirically assess those claims. Using an anonymous opinion survey completed by over 200 individuals involved in CCS, it concludes that there are four primary barriers to CCS commercialization: (1) cost, (2) lack of a carbon price, (3) liability risks, and (4) lack of a comprehensive regulatory regime. These results largely confirm previous work. They also, however, expose a key barrier that prior studies have overlooked: the need for comprehensive, rather than piecemeal, CCS regulation. The survey data clearly show that the CCS community sees this as one of the most needed incentives for CCS deployment. The community also has a relatively clear idea of what that regulation should entail: a cooperative federalism approach that directly addresses liability concerns and that generally does not upset traditional lines of federal-state authority.

  18. Anomalous Lagrangians and the radiative muon capture in hydrogen

    E-Print Network [OSTI]

    J. Smejkal; E. Truhlik; F. C. Khanna

    2005-04-29T23:59:59.000Z

    The structure of an anomalous Lagrangian of the pi-rho-omega-a_1 system is investigated within the hidden local SU(2)_R x SU(2)_L symmetry approach. The interaction of the external electromagnetic and weak vector and axial-vector fields with the above hadron system is included. The Lagrangian of interest contains the anomalous Wess-Zumino term following from the well known Wess-Zumino-Witten action and six independent homogenous terms. It is characterized by four constants that are to be determined from a fit to the data on various elementary reactions. Present data allows one to extract the constants with a good accuracy. The homogenous part of the Lagrangian has been applied in the study of anomalous processes that could enhance the high energy tail of the spectrum of photons, produced in the radiative muon capture in hydrogen. It should be noted that recently, an intensive search for such enhancement processes has been carried in the literature, in an attempt to resolve the so called "g_P puzzle": an about 50 % difference between the theoretical prediction of the value of the induced pseudoscalar constant g_P and its value extracted from the high energy tail of the photon spectrum, measured in the precision TRIUMF experiment. Here, more details on the studied material are presented and new results, obtained by using the Wess-Zumino term, are provided.

  19. Computational investigation of thermal gas separation for CO2 capture.

    SciTech Connect (OSTI)

    Gallis, Michail A.; Bryan, Charles R.; Brady, Patrick Vane; Torczynski, John Robert; Brooks, Carlton, F.

    2009-09-01T23:59:59.000Z

    This report summarizes the work completed under the Laboratory Directed Research and Development (LDRD) project 09-1351, 'Computational Investigation of Thermal Gas Separation for CO{sub 2} Capture'. Thermal gas separation for a binary mixture of carbon dioxide and nitrogen is investigated using the Direct Simulation Monte Carlo (DSMC) method of molecular gas dynamics. Molecular models for nitrogen and carbon dioxide are developed, implemented, compared to theoretical results, and compared to several experimental thermophysical properties. The molecular models include three translational modes, two fully excited rotational modes, and vibrational modes, whose degree of excitation depends on the temperature. Nitrogen has one vibrational mode, and carbon dioxide has four vibrational modes (two of which are degenerate). These models are used to perform a parameter study for mixtures of carbon dioxide and nitrogen confined between parallel walls over realistic ranges of gas temperatures and nominal concentrations of carbon dioxide. The degree of thermal separation predicted by DSMC is slightly higher than experimental values and is sensitive to the details of the molecular models.

  20. ELECTRON-CAPTURE SUPERNOVAE AS SOURCES OF {sup 60}Fe

    SciTech Connect (OSTI)

    Wanajo, Shinya [National Astronomical Observatory of Japan, 2-21-1 Osawa, Mitaka, Tokyo 181-8588 (Japan); Janka, Hans-Thomas; Mueller, Bernhard, E-mail: shinya.wanajo@nao.ac.jp [Max-Planck-Institut fuer Astrophysik, Karl-Schwarzschild-Str. 1, D-85748 Garching (Germany)

    2013-09-01T23:59:59.000Z

    We investigate the nucleosynthesis of the radionuclide {sup 60}Fe in electron-capture supernovae (ECSNe). The nucleosynthetic results are based on a self-consistent, two-dimensional simulation of an ECSN as well as models in which the densities are systematically increased by some factors (low-entropy models). {sup 60}Fe is found to be appreciably made in neutron-rich ejecta during the nuclear quasi-equilibrium phase with greater amounts being produced in the lower-entropy models. Our results, combining them with the yields of core-collapse supernovae in the literature, suggest that ECSNe account for at least 4%-30% of live {sup 60}Fe in the Milky Way. ECSNe co-produce neutron-rich isotopes, {sup 48}Ca, {sup 50}Ti, {sup 54}Cr, some light trans-iron elements, and possibly weak r-process elements including some radionuclides such as {sup 93}Zr, {sup 99}Tc, and {sup 107}Pd, whose association with {sup 60}Fe might have been imprinted in primitive meteorites or in the deep ocean crust on the Earth.