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


1

DEVELOPMENT OF A HIGH PERFORMANCE COLD CLIMATE HEAT PUMP  

SciTech Connect (OSTI)

The primary goals of the proposed project were to develop, test, and evaluate a high performance and cost-effective vapor compression air-source heat pump for use in cold climate regions. Vapor compression heat pumps are a proven technology, and have been used for many years to meet heating requirements for buildings in residential, commercial, and industrial applications. However, in climate regions that experience very low outdoor ambient temperatures both the heating capacity and coefficient of performance (COP) of traditional air-source vapor compression heat pumps drops dramatically with a decrease in the outdoor air temperature. The efficiency of heat pumping equipment has improved substantially over the past 20 years; however, the efficiencies of the highest rated equipment on the market are approaching practical limits that cannot be surpassed without modifications to the basic cycle and possibly the use of additional hardware. In this report, three technologies to improve the efficiency of vapor compression systems are described. These are a) vapor injected compression, b) oil flooded compression and c) hybrid flow control of the evaporator. Compressor prototypes for both, oil flooded and vapor injected compression were developed by Emerson Climate Technologies. For the oil flooded compressor, the oil injection port location was optimized and an internal oil separator was added using several design iterations. After initial testing at Emerson Climate Technologies, further testing was done at Purdue University, and compressor models were developed. These models were then integrated into a system model to determine the achievable improvement of seasonal energy efficiency (SEER) for Minneapolis (Minnesota) climate. For the oil flooded compression, a 34% improvement in seasonal energy efficiency was found while a 21% improvement in seasonal energy efficiency ratio was found for the vapor injected compression. It was found that one benefit of both tested compression technologies is a lower discharge temperature, which allows for continued operation at lower ambient temperatures. A bin analysis of the vapor injected prototype cold climate heat pump predicts a 6% improvement in HSPF for Minneapolis. This improvement is mainly a result of the increased capacity of the system for active vapor injection. For the oil flooded system, a slightly larger performance improvement is predicted, in this case mostly caused by an increase in heating COP. Based on an economic analysis of these results, the maximum additional cost of the system changes, for the Minneapolis location, are $430 for the vapor injected system and $391 for the oil flooded system. These estimates assume that a 3-year simple payback period is accepted by the customer. For the hybrid flow control of evaporators, a new type of balancing valve was developed together with Emerson Climate technologies to reduce the cost of the control scheme. In contrast to conventional stepper motor valves, this valve requires less cables and can be driven by a cheaper output circuit on the control board. The correct valve size was determined in a dedicated test stand in several design iterations. The performance benefits of the hybrid control of the evaporator coil were determined for clean coil conditions as well as with partial blockage of the air inlet grille and under frosting conditions. For clean coil conditions, the benefits in terms of COP and capacity are negligible. However, significant benefits were noted for severely air-maldistributed operating conditions. For the H2-test, the maximum COP improvement of 17% along with a capacity improvement of nearly 40% was observed. Overall, the hybrid control scheme leads to a significant amount of performance improvement, if the air inlet conditions to the evaporator are maldistributed.

Horton, W. Travis [Purdue University] [Purdue University; Groll, Eckhard A. [Purdue University] [Purdue University; Braun, James E. [Purdue University] [Purdue University

2014-06-01T23:59:59.000Z

2

High-Performance Commercial Cold Climate Heat Pump | Department...  

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

cold climate commercial heat pump system. The system improves on state-of-the-art heat pumps, which can degrade by up to 60% in capacity and 50% in system coefficient of...

3

Energy Design Guidelines for High Performance Schools: Cold and Humid Climates  

SciTech Connect (OSTI)

School districts around the country are finding that the smart energy choices can help them save money and provide healthier, more effective learning environments. By incorporating energy improvements into their construction or renovation plans, schools can significantly reduce energy consumption and costs. These savings can be redirected to educational needs such as additional teachers, instructional materials, or new computers. These design guidelines outline high performance principles for the new or retrofit design of your K-12 school. By incorporating these principles, you can create and exemplary building that is both energy and resource efficient.

Not Available

2002-06-01T23:59:59.000Z

4

Atmospheric-Pressure Cold Plasma for Preparation of High Performance Pt/TiO2 Photocatalyst and Its Mechanism  

Science Journals Connector (OSTI)

Atmospheric-pressure dielectric barrier discharge (DBD) cold plasma was employed to fabricate Pt/TiO2 photocatalyst using the mixture of Ar and H2 as working gas. X-ray photoelectron microscopy (XPS) and transmis...

Lanbo Di; Xiuling Zhang; Zhijian Xu; Kai Wang

2014-03-01T23:59:59.000Z

5

Performance House -- A Cold Climate Challenge Home  

SciTech Connect (OSTI)

Working with builder partners on a test homes allows for vetting of whole-house building strategies to eliminate any potential unintended consequences prior to implementing these solution packages on a production scale. To support this research, CARB partnered with Preferred Builders Inc. on a high-performance test home in Old Greenwich, CT. The philosophy and science behind the 2,700 ft2 'Performance House' was based on the premise that homes should be safe, healthy, comfortable, durable, efficient, and adapt with the homeowners. The technologies and strategies used in the 'Performance House' were not cutting-edge, but simply 'best practices practiced'. The focus was on simplicity in construction, maintenance, and operation. When seeking a 30% source energy savings targets over a comparable 2009 IECC code-built home in the cold climate zone, nearly all components of a home must be optimized. Careful planning and design are critical. To help builders and architects seeking to match the performance of this home, a step-by-step guide through the building shell components of DOE's Challenge Home are provided in a pictorial story book. The end result was a DOE Challenge Home that achieved a HERS Index Score of 20 (43 without PV, the minimum target was 55 for compliance). This home was also awarded the 2012 HOBI for Best Green Energy Efficient Home from the Home Builders & Remodelers Association of Connecticut.

Puttagunta, S.; Grab, J.; Williamson, J.

2013-08-01T23:59:59.000Z

6

High Flux Isotope Reactor cold neutron source reference design concept  

SciTech Connect (OSTI)

In February 1995, Oak Ridge National Laboratory`s (ORNL`s) deputy director formed a group to examine the need for upgrades to the High Flux Isotope Reactor (HFIR) system in light of the cancellation of the Advanced neutron Source Project. One of the major findings of this study was that there was an immediate need for the installation of a cold neutron source facility in the HFIR complex. In May 1995, a team was formed to examine the feasibility of retrofitting a liquid hydrogen (LH{sub 2}) cold source facility into an existing HFIR beam tube. The results of this feasibility study indicated that the most practical location for such a cold source was the HB-4 beam tube. This location provides a potential flux environment higher than the Institut Laue-Langevin (ILL) vertical cold source and maximizes the space available for a future cold neutron guide hall expansion. It was determined that this cold neutron beam would be comparable, in cold neutron brightness, to the best facilities in the world, and a decision was made to complete a preconceptual design study with the intention of proceeding with an activity to install a working LH{sub 2} cold source in the HFIR HB-4 beam tube. During the development of the reference design the liquid hydrogen concept was changed to a supercritical hydrogen system for a number of reasons. This report documents the reference supercritical hydrogen design and its performance. The cold source project has been divided into four phases: (1) preconceptual, (2) conceptual design and testing, (3) detailed design and procurement, and (4) installation and operation. This report marks the conclusion of the conceptual design phase and establishes the baseline reference concept.

Selby, D.L.; Lucas, A.T.; Hyman, C.R. [and others

1998-05-01T23:59:59.000Z

7

Cold-Start Performance and Emissions Behavior of Alcohol Fuels...  

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

Emissions Behavior of Alcohol Fuels in an SIDI Engine Using Transient Hardware-In-Loop Test Meth Cold-Start Performance and Emissions Behavior of Alcohol Fuels in an SIDI Engine...

8

High flux isotope reactor cold source preconceptual design study report  

SciTech Connect (OSTI)

In February 1995, the deputy director of Oak Ridge National Laboratory (ORNL) formed a group to examine the need for upgrades to the High Flux Isotope Reactor (HFIR) system in light of the cancellation of the Advanced Neutron Source Project. One of the major findings of this study was that there was an immediate need for the installation of a cold neutron source facility in the HFIR complex. The anticipated cold source will consist of a cryogenic LH{sub 2} moderator plug, a cryogenic pump system, a refrigerator that uses helium gas as a refrigerant, a heat exchanger to interface the refrigerant with the hydrogen loop, liquid hydrogen transfer lines, a gas handling system that includes vacuum lines, and an instrumentation and control system to provide constant system status monitoring and to maintain system stability. The scope of this project includes the development, design, safety analysis, procurement/fabrication, testing, and installation of all of the components necessary to produce a working cold source within an existing HFIR beam tube. This project will also include those activities necessary to transport the cold neutron beam to the front face of the present HFIR beam room. The cold source project has been divided into four phases: (1) preconceptual, (2) conceptual design and research and development (R and D), (3) detailed design and procurement, and (4) installation and operation. This report marks the conclusion of the preconceptual phase and establishes the concept feasibility. The information presented includes the project scope, the preliminary design requirements, the preliminary cost and schedule, the preliminary performance data, and an outline of the various plans for completing the project.

Selby, D.L.; Bucholz, J.A.; Burnette, S.E. [and others

1995-12-01T23:59:59.000Z

9

Colds  

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

Colds Colds Name: John Smith Status: N/A Age: N/A Location: N/A Country: N/A Date: Around 1993 Question: What causes colds and how can they be cured? Replies: Colds are caused by a virus (rhinovirus) that invades the membranes of the nose and trachea (the windpipe). The symptoms that we call a "cold" are mostly the body's attempts to get rid of the virus. There is not a cure for the cold you just wait for the body's immune system (defense system) to get rid of the virus. You can treat the symptoms, though aspirin for fever, antihistamines to clear up congestion in the nose, etc. Sometimes, after a bad cold, you can get bronchitis, where bacteria invade the windpipe and lungs because the cold made them more susceptible. This can be treated with antibiotics, which kill bacteria, but not viruses

10

High Performance Computing in  

E-Print Network [OSTI]

High Performance Computing in Bioinformatics Thomas Ludwig (t.ludwig@computer.org) Ruprecht PART I: High Performance Computing Thomas Ludwig PART II: HPC Computing in Bioinformatics Alexandros #12;© Thomas Ludwig, Alexandros Stamatakis, GCB'04 3 PART I High Performance Computing Introduction

Stamatakis, Alexandros

11

High Performance Computing  

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

Information Science, Computing, Applied Math » Information Science, Computing, Applied Math » High Performance Computing High Performance Computing Providing world-class high performance computing capability that enables unsurpassed solutions to complex problems of strategic national interest Gary Grider High Performance Computing Division Leader Randal Rheinheimer High Performance Computing Deputy Division Leader Contact Us Carol Hogsett Student/Internship Opportunities Email Division Office Email Managing world-class supercomputing centers Powerall simulations modeling Read caption + The Powerwall is used by LANL scientists to view objects and processes in 3D. High Performance Computing video 13:01 Gary Grider, HPC Divison Leader The High Performance Computing (HPC) Division supports the Laboratory mission by managing world-class Supercomputing Centers.

12

.NET High Performance Computing.  

E-Print Network [OSTI]

?? Graphics Processing Units (GPUs) have been extensively applied in the High Performance Computing (HPC) community. HPC applications require additional special programming environments to improve (more)

Ou, Hsuan-Hsiu

2012-01-01T23:59:59.000Z

13

High Performance New Construction  

E-Print Network [OSTI]

Funding for Efficient New Buildings through Integrated Project Delivery and High Performance Design-Build Case Study Rolling Plains New Medical Office Building Michael Flores McKinstry mflores@mckinstry.com 469-789-9920 1 ESL-KT-13-12-40 CATEE..., San Antonio, Texas Dec. 16-18 Objectives Explain how High Performance Design Build / Integrated Project Delivery (HPDB/IPD) differs from alternative project delivery methods (and why it is usually better!) Identify the key participants in High...

Flores, M.

2013-01-01T23:59:59.000Z

14

High Performance Window Attachments  

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

High Performance Window High Performance Window Attachments D. Charlie Curcija Lawrence Berkeley National Laboratory dccurcija@lbl.gov 510-495-2602 April 4, 2013 2 | Building Technologies Office eere.energy.gov Purpose & Objectives Impact of Project: * Motivate manufacturers to make improvements in Window systems U-Factors, SHGC and daylighting utilization * Increase awareness of benefits from energy efficient window attachments Problem Statement: * A wide range of residential window attachments are available, but they have widely unknown

15

Thermoelectrics Partnership: High Performance Thermoelectric...  

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

High Performance Thermoelectric Waste Heat Recovery System Based on Zintl Phase Materials with Embedded Nanoparticles Thermoelectrics Partnership: High Performance Thermoelectric...

16

High Performance Windows Volume Purchase: About the High Performance  

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

High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program to someone by E-mail Share High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Facebook Tweet about High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Twitter Bookmark High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Google Bookmark High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Delicious Rank High Performance Windows Volume Purchase: About the High Performance Windows Volume Purchase Program on Digg Find More places to share High Performance Windows Volume Purchase:

17

Cold Crucible Induction Melting Technology for Vitrification of High Level Waste: Development and Status in India  

SciTech Connect (OSTI)

Cold crucible induction melting is globally emerging as an alternative technology for the vitrification of high level radioactive waste. The new technology offers several advantages such as high temperature availability with long melter life, high waste loading, high specific capacity etc. Based on the laboratory and bench scale studies, an engineering scale cold crucible induction melter was locally developed in India. The melter was operated continuously to assess its performance. The electrical and thermal efficiencies were found to be in the range of 70-80 % and 10-20 % respectively. Glass melting capacities up to 200 kg m{sup -2} hr{sup -1} were accomplished using the ESCCIM. Industrially adaptable melter operating procedures for start-up, melting and pouring operations were established (author)

Sugilal, G.; Sengar, P.B.S. [Nuclear Recycle Group, Bhabha Atomic Research Centre, Trombay, Mumbai (India)

2008-07-01T23:59:59.000Z

18

High Performance Window Retrofit  

SciTech Connect (OSTI)

The US Department of Energy (DOE) Office of Energy Efficiency and Renewable Energy (EERE) and Traco partnered to develop high-performance windows for commercial building that are cost-effective. The main performance requirement for these windows was that they needed to have an R-value of at least 5 ft2 F h/Btu. This project seeks to quantify the potential energy savings from installing these windows in commercial buildings that are at least 20 years old. To this end, we are conducting evaluations at a two-story test facility that is representative of a commercial building from the 1980s, and are gathering measurements on the performance of its windows before and after double-pane, clear-glazed units are upgraded with R5 windows. Additionally, we will use these data to calibrate EnergyPlus models that we will allow us to extrapolate results to other climates. Findings from this project will provide empirical data on the benefits from high-performance windows, which will help promote their adoption in new and existing commercial buildings. This report describes the experimental setup, and includes some of the field and simulation results.

Shrestha, Som S [ORNL] [ORNL; Hun, Diana E [ORNL] [ORNL; Desjarlais, Andre Omer [ORNL] [ORNL

2013-12-01T23:59:59.000Z

19

High Performance Computing School COMSC  

E-Print Network [OSTI]

High Performance Computing School COMSC This module aims to provide the students with fundamental knowledge and understanding of techniques associated with High Performance Computing and its practical' skills in analysing and evaluating High Performance Computing and will be structured around

Martin, Ralph R.

20

High Performance Buildings Database  

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

The High Performance Buildings Database is a shared resource for the building industry, a unique central repository of in-depth information and data on high-performance, green building projects across the United States and abroad. The database includes information on the energy use, environmental performance, design process, finances, and other aspects of each project. Members of the design and construction teams are listed, as are sources for additional information. In total, up to twelve screens of detailed information are provided for each project profile. Projects range in size from small single-family homes or tenant fit-outs within buildings to large commercial and institutional buildings and even entire campuses. The database is a data repository as well. A series of Web-based data-entry templates allows anyone to enter information about a building project into the database. Once a project has been submitted, each of the partner organizations can review the entry and choose whether or not to publish that particular project on its own Web site.

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


21

High Performance Computing (HPC) Division  

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

HPC Division High Performance Computing (HPC) Division Providing world-class high performance computing capability that enables unsurpassed solutions to complex problems of...

22

HIGH PERFORMANCE COMPUTING  

E-Print Network [OSTI]

This paper presents recent developments of high performance computing and networking techniques in the field of computer-aided multibody analysis and design. The authors describe the main achievements obtained in the development of a tool to aid in the design of new industrial mechanical systems by performing parallel parametric multibody simulations. The parallel software is composed of four main modules: two user-friendly interfaces to input the data and visualize the results, a simulation module, and a parallel manager module that is the main focus of this paper. The authors show that the implementation, using PVM, of simple and well-known ideas leads to efficient and flexible parallel software targeted for heterogeneous networks of nondedicated workstations, which is the parallel platform available in most mechanical design departments.

Ra Baldini; Luc Giraud; Javier G. Izaguirre; Jose M. Jimenez; Luis M. Matey; Sandra Baldini; Luc Giraud; Javier G. Izaguirre; Jose M. Jimenez; Luis M. Matey

23

Verifying TRU Passive DPF Cold Ambient Performance | Department...  

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

System for On-road and Off-road Diesel Engines Emissions Reduction Experience with Johnson Matthey EGRT on Off-Road Equipment Critical Performance and Durability Parameters of...

24

High Performance Computing contributions to  

E-Print Network [OSTI]

High Performance Computing contributions to DoD Mission Success 2002 #12;Approved for public/C nanotube in a field emitter configuration #12;HIGH PERFORMANCE COMPUTING contributions tocontributions ­ SECTION 1 INTRODUCTION 1 Introduction 3 Overview of the High Performance Computing Modernization Program 3

25

High Performance and Sustainable Buildings Guidance | Department...  

Energy Savers [EERE]

High Performance and Sustainable Buildings Guidance High Performance and Sustainable Buildings Guidance High Performance and Sustainable Buildings Guidance More Documents &...

26

Performance evaluation approach for the supercritical helium cold circulators of ITER  

SciTech Connect (OSTI)

The ITER project design foresees Supercritical Helium (SHe) forced flow cooling for the main cryogenic components, namely, the superconducting (SC) magnets and cryopumps (CP). Therefore, cold circulators have been selected to provide the required SHe mass flow rate to cope with specific operating conditions and technical requirements. Considering the availability impacts of such machines, it has been decided to perform evaluation tests of the cold circulators at operating conditions prior to the series production in order to minimize the project technical risks. A proposal has been conceptualized, evaluated and simulated to perform representative tests of the full scale SHe cold circulators. The objectives of the performance tests include the validation of normal operating condition, transient and off-design operating modes as well as the efficiency measurement. A suitable process and instrumentation diagram of the test valve box (TVB) has been developed to implement the tests at the required thermodynamic conditions. The conceptual engineering design of the TVB has been developed along with the required thermal analysis for the normal operating conditions to support the performance evaluation of the SHe cold circulator.

Vaghela, H.; Sarkar, B.; Bhattacharya, R.; Kapoor, H. [ITER-India, Institute for Plasma Research, Near Indira Bridge, Bhat, Gandhinagar-382428 (India); Chalifour, M.; Chang, H.-S.; Serio, L. [ITER Organization, Route de Vinon sur Verdon - 13115 St Paul Lez Durance (France)

2014-01-29T23:59:59.000Z

27

Creating high performance enterprises  

E-Print Network [OSTI]

How do enterprises successfully conceive, design, deliver, and operate large-scale, engineered systems? These large-scale projects often involve high complexity, significant technical challenges, a large number of diverse ...

Stanke, Alexis K. (Alexis Kristen), 1977-

2006-01-01T23:59:59.000Z

28

High Performance Networks for High Impact Science  

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

was printed on recycled paper. (800) High-Performance Networks for High-Impact Science Report of the August 13-15, 2002, Workshop Conducted by the Office of Advanced...

29

New carbon cone nanotip for use in a highly coherent cold field emission electron microscope  

E-Print Network [OSTI]

1 New carbon cone nanotip for use in a highly coherent cold field emission electron Jeanne Marvig, BP 94347, TOULOUSE, Cedex 4, FRANCE Abstract A new cathode for cold-field emission gun using a pyrolytic carbon-cone supported onto a carbon nanotube as the electron emitting tip has been

Paris-Sud XI, Université de

30

High Performance Home Cost Performance Trade-Offs: Production...  

Energy Savers [EERE]

High Performance Home Cost Performance Trade-Offs: Production Builders - Building America Top Innovation High Performance Home Cost Performance Trade-Offs: Production Builders -...

31

The new cold neutron chopper spectrometer at the Spallation Neutron Source: Design and performance  

SciTech Connect (OSTI)

The design and performance of the new cold neutron chopper spectrometer (CNCS) at the Spallation Neutron Source in Oak Ridge are described. CNCS is a direct-geometry inelastic time-of-flight spectrometer, designed essentially to cover the same energy and momentum transfer ranges as IN5 at ILL, LET at ISIS, DCS at NIST, TOFTOF at FRM-II, AMATERAS at J-PARC, PHAROS at LANSCE, and NEAT at HZB, at similar energy resolution. Measured values of key figures such as neutron flux at sample position and energy resolution are compared between measurements and ray tracing Monte Carlo simulations, and good agreement (better than 20% of absolute numbers) has been achieved. The instrument performs very well in the cold and thermal neutron energy ranges, and promises to become a workhorse for the neutron scattering community for quasielastic and inelastic scattering experiments.

Ehlers, G.; Podlesnyak, A. A.; Niedziela, J. L.; Iverson, E. B. [Neutron Scattering Science Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States); Sokol, P. E. [Department of Physics, Indiana University, Bloomington, Indiana 47405 (United States)

2011-08-15T23:59:59.000Z

32

OCIO Technology Summit: High Performance Computing | Department...  

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

OCIO Technology Summit: High Performance Computing OCIO Technology Summit: High Performance Computing January 16, 2015 - 12:51pm Addthis OCIO Technology Summit: High Performance...

33

OCIO High Performance Computing Technology Summit | Department...  

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

OCIO High Performance Computing Technology Summit OCIO High Performance Computing Technology Summit The OCIO High Performance Computing Technology Summit is on Wednesday, January...

34

Computational biology and high performance computing  

E-Print Network [OSTI]

Biology and High Performance Computing Manfred Zorn, TeresaBiology and High Performance Computing Presenters: Manfred99-Portland High performance computing has become one of the

Shoichet, Brian

2011-01-01T23:59:59.000Z

35

High Performance Outdoor Lighting Accelerator  

Broader source: Energy.gov [DOE]

Hosted by the U.S. Department of Energy (DOE)s Weatherization and Intergovernmental Programs Office (WIPO), this webinar covered the expansion of the Better Buildings platform to include the newest initiative for the public sector: the High Performance Outdoor Lighting Accelerator (HPOLA).

36

High-Performance Nanostructured Coating  

Broader source: Energy.gov [DOE]

The High-Performance Nanostructured Coating fact sheet details a SunShot project led by a University of California, San Diego research team working to develop a new high-temperature spectrally selective coating for receiver surfaces. These receiver surfaces, used in concentrating solar power systems, rely on high-temperature SSCs to effectively absorb solar energy without emitting much blackbody radiation.The optical properties of the SSC directly determine the efficiency and maximum attainable temperature of solar receivers, which in turn influence the power-conversion efficiency and overall system cost.

37

A high performance thin film thermoelectric cooler  

SciTech Connect (OSTI)

Thin film thermoelectric devices with small dimensions have been fabricated using microelectronics technology and operated successfully in the Seebeck mode as sensors or generators. However, they do not operate successfully in the Peltier mode as coolers, because of the thermal bypass provided by the relatively thick substrate upon which the thermoelectric device is fabricated. In this paper a processing sequence is described which dramatically reduces this thermal bypass and facilitates the fabrication of high performance integrated thin film thermoelectric coolers. In the processing sequence a very thin amorphous SiC (or SiO{sub 2}SiN{sub 4}) film is deposited on a silicon substrate using conventional thin film deposition and a membrane formed by removing the silicon substrate over a desired region using chemical etching or micro-machining. Thermoelements are deposited on the membrane using conventional thin film deposition and patterning techniques and configured so that the region which is to be cooled is abutted to the cold junctions of the Peltier thermoelements while the hot junctions are located at the outer peripheral area which rests on the silicon substrate rim. Heat is pumped laterally from the cooled region to the silicon substrate rim and then dissipated vertically through it to an external heat sink. Theoretical calculations of the performance of a cooler described above indicate that a maximum temperature difference of about 40--50K can be achieved with a maximum heat pumping capacity of around 10 milliwatts.

Rowe, D.M.; Min, G.; Volklein, F.

1998-07-01T23:59:59.000Z

38

High Efficiency, High Performance Clothes Dryer  

SciTech Connect (OSTI)

This program covered the development of two separate products; an electric heat pump clothes dryer and a modulating gas dryer. These development efforts were independent of one another and are presented in this report in two separate volumes. Volume 1 details the Heat Pump Dryer Development while Volume 2 details the Modulating Gas Dryer Development. In both product development efforts, the intent was to develop high efficiency, high performance designs that would be attractive to US consumers. Working with Whirlpool Corporation as our commercial partner, TIAX applied this approach of satisfying consumer needs throughout the Product Development Process for both dryer designs. Heat pump clothes dryers have been in existence for years, especially in Europe, but have not been able to penetrate the market. This has been especially true in the US market where no volume production heat pump dryers are available. The issue has typically been around two key areas: cost and performance. Cost is a given in that a heat pump clothes dryer has numerous additional components associated with it. While heat pump dryers have been able to achieve significant energy savings compared to standard electric resistance dryers (over 50% in some cases), designs to date have been hampered by excessively long dry times, a major market driver in the US. The development work done on the heat pump dryer over the course of this program led to a demonstration dryer that delivered the following performance characteristics: (1) 40-50% energy savings on large loads with 35 F lower fabric temperatures and similar dry times; (2) 10-30 F reduction in fabric temperature for delicate loads with up to 50% energy savings and 30-40% time savings; (3) Improved fabric temperature uniformity; and (4) Robust performance across a range of vent restrictions. For the gas dryer development, the concept developed was one of modulating the gas flow to the dryer throughout the dry cycle. Through heat modulation in a gas dryer, significant time and energy savings, combined with dramatically reduced fabric temperatures, was achieved in a cost-effective manner. The key design factor lay in developing a system that matches the heat input to the dryer with the fabrics ability to absorb it. The development work done on the modulating gas dryer over the course of this program led to a demonstration dryer that delivered the following performance characteristics: (1) Up to 25% reduction in energy consumption for small and medium loads; (2) Up to 35% time savings for large loads with 10-15% energy reduction and no adverse effect on cloth temperatures; (3) Reduced fabric temperatures, dry times and 18% energy reduction for delicate loads; and, (4) Robust performance across a range of vent restrictions.

Peter Pescatore; Phil Carbone

2005-03-31T23:59:59.000Z

39

Army High Performance Computing Research Center  

E-Print Network [OSTI]

Army High Performance Computing Research Center Applying advanced computational science research challenges http://me.stanford.edu/research/centers/ahpcrc #12;Army High Performance Computing challenges http://me.stanford.edu/research/centers/ahpcrc #12;Army High Performance Computing Research

Prinz, Friedrich B.

40

High Performance Sustainable Building - DOE Directives, Delegations...  

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

6A, High Performance Sustainable Building by Adam Pugh Functional areas: Program Management, Project Management This Guide provides approaches for implementing the High Performance...

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


41

High performance computing Igal G. Rasin  

E-Print Network [OSTI]

High performance computing Igal G. Rasin Department of Chemical Engineering, Technion Israel with different parallelization techniques and tools used in high performance computing (HPC). The tutorial

Adler, Joan

42

Building America Webinar: High Performance Enclosure Strategies...  

Energy Savers [EERE]

II, New Construction - August 13, 2014 - Next Gen Advanced Framing for High Performance Homes Integrated System Solutions Building America Webinar: High Performance Enclosure...

43

Guide for High-Performance Buildings Available  

SciTech Connect (OSTI)

This article is an overview of the new "Sustainable, High-Performance Operations and Maintenance" guidelines.

Bartlett, Rosemarie

2012-10-01T23:59:59.000Z

44

HIGH PERFORMANCE COMPUTING TODAY Jack Dongarra  

E-Print Network [OSTI]

1 HIGH PERFORMANCE COMPUTING TODAY Jack Dongarra Computer Science Department, University detailed and well-founded analysis of the state of high performance computing. This paper summarizes some of systems available for performing grid based computing. Keywords High performance computing, Parallel

Dongarra, Jack

45

High Performance Windows Volume Purchase: Information Resources  

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

Information Information Resources to someone by E-mail Share High Performance Windows Volume Purchase: Information Resources on Facebook Tweet about High Performance Windows Volume Purchase: Information Resources on Twitter Bookmark High Performance Windows Volume Purchase: Information Resources on Google Bookmark High Performance Windows Volume Purchase: Information Resources on Delicious Rank High Performance Windows Volume Purchase: Information Resources on Digg Find More places to share High Performance Windows Volume Purchase: Information Resources on AddThis.com... Home About For Builders For Residential Buyers For Light Commercial Buyers For Manufacturers For Utilities Information Resources Information Resources Numerous publications will be available to help educate buyers, product

46

Building America Webinar: High Performance Space Conditioning...  

Energy Savers [EERE]

Kohta Ueno, Building Science Corporation. Kohta will discuss BSC's research on ductless heat pumps versus mini-splits being used in high performance (high R value enclosurelow...

47

Building America Webinar: High Performance Space Conditioning...  

Energy Savers [EERE]

Strategies for Affordable Housing Building America Webinar: High Performance Space Conditioning Systems, Part II - Air Distribution Retrofit Strategies for Affordable...

48

Tutorial: High Performance Computing Igal G. Rasin  

E-Print Network [OSTI]

Tutorial: High Performance Computing Igal G. Rasin Department of Chemical Engineering Israel Computing 27 Nisan 5769 (21.04.2009) 1 / 18 #12;Motivation What is High Performance Computing? What for serial Computing? Igal G. Rasin (Technion) Tutorial: High Performance Computing 27 Nisan 5769 (21

Adler, Joan

49

College of Engineering High Performance Computing Cluster  

E-Print Network [OSTI]

College of Engineering High Performance Computing Cluster Policy and Procedures COE-HPC-01 and registered as requiring high performance computing; the course identification/registrations process the College High Performance Computing system will need register for system access by visiting http

Demirel, Melik C.

50

LNG Vehicle High-Pressure Fuel System and ''Cold Energy'' Utilization  

SciTech Connect (OSTI)

A high-pressure fuel system for LNG vehicles with direct-injection natural gas engines has been developed and demonstrated on a heavy-duty truck. A new concept for utilizing the ''cold energy'' associated with LNG vehicles to generate mechanical power to drive auxiliary equipment (such as high-pressure fuel pumps) has also been developed and demonstrated in the laboratory. The high-pressure LNG fuel system development included the design and testing of a new type of cryogenic pump utilizes multiple chambers and other features to condense moderate quantities of sucked vapor and discharge supercritical LNG at 3,000 to 4,000 psi. The pump was demonstrated on a Class 8 truck with a Westport high-pressure direct-injection Cummins ISX engine. A concept that utilizes LNG's ''cold energy'' to drive a high-pressure fuel pump without engine attachments or power consumption was developed. Ethylene is boiled and superheated by the engine coolant, and it is cooled and condensed by rejecting h eat to the LNG. Power is extracted in a full-admission blowdown process, and part of this power is applied to pump the ethylene liquid to the boiler pressure. Tests demonstrated a net power output of 1.1. hp at 1.9 Lbm/min of LNG flow, which is adequate to isentropically pump the LNG to approximately 3,400 psi..

powers,Charles A.; Derbidge, T. Craig

2001-03-27T23:59:59.000Z

51

High Performance Windows Volume Purchase: Contacts  

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

Contacts to Contacts to someone by E-mail Share High Performance Windows Volume Purchase: Contacts on Facebook Tweet about High Performance Windows Volume Purchase: Contacts on Twitter Bookmark High Performance Windows Volume Purchase: Contacts on Google Bookmark High Performance Windows Volume Purchase: Contacts on Delicious Rank High Performance Windows Volume Purchase: Contacts on Digg Find More places to share High Performance Windows Volume Purchase: Contacts on AddThis.com... Home About For Builders For Residential Buyers For Light Commercial Buyers For Manufacturers For Utilities Information Resources Contacts Web site and High Performance Windows Volume Purchase Program contacts are provided below. Website Contact Send us your comments, report problems, and/or ask questions about

52

high-performance | netl.doe.gov  

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

High-Performance Sorbents for Carbon Dioxide Capture from Air Project No.: DE-FE0002438 NETL has partnered with the Georgia Institute of Technology to perform a combined...

53

423A HIGH-PERFORMANCE COMPUTING/NUMERICAL The International Journal of High Performance Computing Applications,  

E-Print Network [OSTI]

423A HIGH-PERFORMANCE COMPUTING/NUMERICAL The International Journal of High Performance Computing and barriers in the development of high-performance computing (HPC) algorithms and software. The activity has computing, numerical analy- sis, roadmap, applications and algorithms, software 1 The High-performance

Higham, Nicholas J.

54

[ HIGH PERFORMANCE BUILDING STANDARD] STATE OF MONTANA HIGH PERFORMANCE BUILDING STANDARDS  

E-Print Network [OSTI]

[ HIGH PERFORMANCE BUILDING STANDARD] PART 2 HPBS STATE OF MONTANA HIGH PERFORMANCE BUILDING. These High Performance Building Standards are promulgated to implement the directives established in SB 49 which amended Section 17-7-201, MCA. B. These High Performance Building Standards were adopted on June 1

Dyer, Bill

55

AGILA: The Ateneo High Performance Computing System  

E-Print Network [OSTI]

A Beowulf cluster is a low-cost parallel high performance computing system that uses commodity hardware components such as personal computers and standard Ethernet adapters and switches and runs on freely available software such as Linux and LAM-MPI. In this paper the development of the AGILA HPCS, which stands for the Ateneo GigaflopsRange Performance, Linux OS, and Athlon Processors High Performance Computing System, is discussed including its hardware and software configurations and performance evaluation. Keywords High-performance computing, commodity cluster computing, parallel computing, Beowulf-class cluster 1.

Rafael Salda Na; Felix P. Muga Ii; Jerrold J. Garcia; William Emmanuel; S. Yu

2000-01-01T23:59:59.000Z

56

High Performance Buildings Database | Open Energy Information  

Open Energy Info (EERE)

High Performance Buildings Database High Performance Buildings Database Jump to: navigation, search The High Performance Buildings Database (HPBD), developed by the United States Department of Energy and the National Renewable Energy Laboratory, is "a unique central repository of in-depth information and data on high-performance, green building projects across the United States and abroad."[1] Map of HPBD entries Loading map... {"format":"googlemaps3","type":"ROADMAP","types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"limit":1000,"offset":0,"link":"all","sort":[""],"order":[],"headers":"show","mainlabel":"-","intro":"","outro":"","searchlabel":"\u2026

57

High performance carbon nanocomposites for ultracapacitors  

DOE Patents [OSTI]

The present invention relates to composite electrodes for electrochemical devices, particularly to carbon nanotube composite electrodes for high performance electrochemical devices, such as ultracapacitors.

Lu, Wen

2012-10-02T23:59:59.000Z

58

DOE High Performance Computing Operational Review  

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

HPCOR DOE High Performance Computing Operational Review (HPCOR) All logos Enabling Data-Driven Scientific Discovery at HPC Facilities June 18-19, 2014 California State University,...

59

TAP Webinar: High Performance Outdoor Lighting Accelerator  

Broader source: Energy.gov [DOE]

Hosted by the Technical Assistance Program (TAP), this webinar will cover the recently announced expansion of the Better Buildings platform the High Performance Outdoor Lighting Accelerator (HPOLA).

60

HIGH-PERFORMANCE COATING MATERIALS  

SciTech Connect (OSTI)

Corrosion, erosion, oxidation, and fouling by scale deposits impose critical issues in selecting the metal components used at geothermal power plants operating at brine temperatures up to 300 C. Replacing these components is very costly and time consuming. Currently, components made of titanium alloy and stainless steel commonly are employed for dealing with these problems. However, another major consideration in using these metals is not only that they are considerably more expensive than carbon steel, but also the susceptibility of corrosion-preventing passive oxide layers that develop on their outermost surface sites to reactions with brine-induced scales, such as silicate, silica, and calcite. Such reactions lead to the formation of strong interfacial bonds between the scales and oxide layers, causing the accumulation of multiple layers of scales, and the impairment of the plant component's function and efficacy; furthermore, a substantial amount of time is entailed in removing them. This cleaning operation essential for reusing the components is one of the factors causing the increase in the plant's maintenance costs. If inexpensive carbon steel components could be coated and lined with cost-effective high-hydrothermal temperature stable, anti-corrosion, -oxidation, and -fouling materials, this would improve the power plant's economic factors by engendering a considerable reduction in capital investment, and a decrease in the costs of operations and maintenance through optimized maintenance schedules.

SUGAMA,T.

2007-01-01T23:59:59.000Z

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


61

Cold vacuum drying proof of performance (first article testing) test results  

SciTech Connect (OSTI)

This report presents and details the test results of the first of a kind process referred to as Cold Vacuum Drying (CVD). The test results are compiled from several months of testing of the first process equipment skid and ancillary components to de-water and dry Multi-Canister Overpacks (MCO) filled with Spent Nuclear Fuel (SNF). The tests results provide design verifications, equipment validations, model validation data, and establish process parameters.

MCCRACKEN, K.J.

1999-06-23T23:59:59.000Z

62

AGILA: The Ateneo High Performance Computing System  

E-Print Network [OSTI]

A Beowulf cluster is a low-cost parallel high performance computing system that uses commodity hardware components such as personal computers and standard Ethernet adapters and switches and runs on freely available software such as Linux and LAM-MPI. In this paper the development of the AGILA HPCS, which stands for the Ateneo GigaflopsRange Performance, Linux OS, and Athlon Processors High Performance Computing System, is discussed including its hardware and software configurations and performance evaluation. Keywords High-performance computing, commodity cluster computing, parallel computing, Beowulf-class cluster 1. INTRODUCTION In the Philippines today, computing power in the range of gigaflops is not generally available for use in research and development. Conventional supercomputers or high performance computing systems are very expensive and are beyond the budgets of most university research groups especially in developing countries such as the Philippines. A lower cost option...

Rafael P. Saldaa; Felix P. Muga; II; Jerrold J. Garcia; William Emmanuel S. Yu; S. Yu

2000-01-01T23:59:59.000Z

63

Summary Of Cold Crucible Vitrification Tests Results With Savannah River Site High Level Waste Surrogates  

SciTech Connect (OSTI)

The cold crucible inductive melting (CCIM) technology successfully applied for vitrification of low- and intermediate-level waste (LILW) at SIA Radon, Russia, was tested to be implemented for vitrification of high-level waste (HLW) stored at Savannah River Site, USA. Mixtures of Sludge Batch 2 (SB2) and 4 (SB4) waste surrogates and borosilicate frits as slurries were vitrified in bench- (236 mm inner diameter) and full-scale (418 mm inner diameter) cold crucibles. Various process conditions were tested and major process variables were determined. Melts were poured into 10L canisters and cooled to room temperature in air or in heat-insulated boxes by a regime similar to Canister Centerline Cooling (CCC) used at DWPF. The products with waste loading from ~40 to ~65 wt.% were investigated in details. The products contained 40 to 55 wt.% waste oxides were predominantly amorphous; at higher waste loadings (WL) spinel structure phases and nepheline were present. Normalized release values for Li, B, Na, and Si determined by PCT procedure remain lower than those from EA glass at waste loadings of up to 60 wt.%.

Stefanovsky, Sergey; Marra, James; Lebedev, Vladimir

2014-01-13T23:59:59.000Z

64

High frequency atmospheric cold plasma treatment system for materials surface processing  

Science Journals Connector (OSTI)

The paper presents a new laboratory-made plasma treatment system. The power source which generates the plasma is based on a modern half-bridge type inverter circuit working at a frequency of 4 MHz and giving an output power of about 200 W. The inverter is fed directly from the mains voltage and features high speed protection circuits for both over voltage and over current protection making the system light and easy to operate. The output of the inverter is connected to the resonant circuit formed by a Tesla coil and the dielectric barrier discharge plasma chamber. The plasma is generated at atmospheric pressure in argon helium or mixtures of helium and small quantities of argon. It is a cold discharge (Tgas plasma generates chemically active species especially O and OH which could be important in various applications such as the treatment and processing of materials surfaces.

Cristian D. Tudoran; Vasile Surducan; Sorin D. Anghel

2012-01-01T23:59:59.000Z

65

A high flux of ultra-cold chromium atoms in a magnetic guide  

Science Journals Connector (OSTI)

We report the observation of a very high flux of ultra-cold bosonic chromium atoms in a magnetic guide. The beam is created by operating a magneto-optical trap/moving optical molasses within the magnetic field of the guide. A relative detuning between two pairs of the cooling lasers cools the atoms into a frame moving along the axes of the guide. When the atoms are cooled into a moving frame with a velocity of 6 m s?1 we observe a maximum of the flux of 6 ? 109 atoms s?1. For these parameters the transversal temperature of the atoms after a 25 fold increase of the confining magnetic potential is about 1.2 mK. The longitudinal temperature is 400 K.

Axel Griesmaier; Anoush Aghajani-Talesh; Markus Falkenau; Jimmy Sebastian; Alexander Greiner; Tilman Pfau

2009-01-01T23:59:59.000Z

66

High Performance and Sustainable Buildings Guidance  

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

HIGH PERFORMANCE and SUSTAINABLE BUILDINGS GUIDANCE Final (12/1/08) PURPOSE The Interagency Sustainability Working Group (ISWG), as a subcommittee of the Steering Committee established by Executive Order (E.O.) 13423, initiated development of the following guidance to assist agencies in meeting the high performance and sustainable buildings goals of E.O. 13423, section 2(f). 1 E.O. 13423, sec. 2(f) states "In implementing the policy set forth in section 1 of this order, the head of each agency shall: ensure that (i) new construction and major renovations of agency buildings comply with the Guiding Principles for Federal Leadership in High Performance and Sustainable Buildings set forth in the Federal Leadership in High Performance and Sustainable Buildings Memorandum of Understanding (2006)

67

High Performance Computing Data Center (Fact Sheet)  

SciTech Connect (OSTI)

This two-page fact sheet describes the new High Performance Computing Data Center in the ESIF and talks about some of the capabilities and unique features of the center.

Not Available

2014-08-01T23:59:59.000Z

68

High performance computing meets experimental mathematics  

Science Journals Connector (OSTI)

In this paper we describe some novel applications of high performance computing in a discipline now known as "experimental mathematics." The paper reviews some recent published work, and then presents some new results that have not yet appeared in the ...

David H. Bailey; David Broadhurst; Yozo Hida; Xiaoye S. Li; Brandon Thompson

2002-11-01T23:59:59.000Z

69

CONTINUED HIGH PERFORMANCE ENERGY MANAGEMENT COMPANY Fitesa  

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

HIGH PERFORMANCE ENERGY MANAGEMENT COMPANY Fitesa UTILITY Clark Public Utilities PROJECT Chiller Upgrade ENERGY SAVINGS 2,524,032 kWhyr PROJECT COST 929,308 INCENTIVE 650,516...

70

High Performance Sustainable Building Design RM  

Broader source: Energy.gov [DOE]

The High Performance Sustainable Building Design (HPSBD) Review Module (RM) is a tool that assists the DOE federal project review teams in evaluating the technical sufficiency for projects that may...

71

High Performance Green Building Partnership Consortia | Department...  

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

are groups from the public and private sectors recognized by the U.S. Department of Energy (DOE) for their commitment to high-performance green buildings. Groups that met...

72

NREL: Photovoltaics Research - High-Performance Photovoltaics  

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

High-Performance Photovoltaics In an ideal multijunction cell, the top layer produces most of the total power, so the top layer should be of the highest quality. However, in...

73

High performance computing: Clusters, constellations, MPPs, and future directions  

E-Print Network [OSTI]

and Jim Gray, High Performance Computing: Crays, Clusters,The Marketplace of High-Performance Computing, ParallelHigh Performance Computing Clusters, Constellations, MPPs,

Dongarra, Jack; Sterling, Thomas; Simon, Horst; Strohmaier, Erich

2003-01-01T23:59:59.000Z

74

High-performance computer system installed at Los Alamos National...  

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

High-performance computer system installed at Lab High-performance computer system installed at Los Alamos National Laboratory New high-performance computer system, called Wolf,...

75

Thermodynamic performance analysis of a combined power cycle using low grade heat source and LNG cold energy  

Science Journals Connector (OSTI)

Abstract Thermodynamic analysis of a combined cycle using a low grade heat source and LNG cold energy was carried out. The combined cycle consisted of an ammoniawater Rankine cycle with and without regeneration and a LNG Rankine cycle. A parametric study was conducted to examine the effects of the key parameters, such as ammonia mass fraction, turbine inlet pressure, condensation temperature. The effects of the ammonia mass fraction on the temperature distributions of the hot and cold streams in heat exchangers were also investigated. The characteristic diagram of the exergy efficiency and heat transfer capability was proposed to consider the system performance and expenditure of the heat exchangers simultaneously. The simulation showed that the system performance is influenced significantly by the parameters with the ammonia mass fraction having largest effect. The net work output of the ammoniawater cycle may have a peak value or increase monotonically with increasing ammonia mass fraction, which depends on turbine inlet pressure or condensation temperature. The exergy efficiency may decrease or increase or have a peak value with turbine inlet pressure depending on the ammonia mass fraction.

Kyoung Hoon Kim; Kyung Chun Kim

2014-01-01T23:59:59.000Z

76

Design, Implementation and Performance of Exponential Integrators for High Performance Computing Applications  

E-Print Network [OSTI]

interest in high performance computing would help popularizeIntegrators for High Performance Computing Applications Aapplied mathematics, high performance computing and computer

Loffeld, John

2013-01-01T23:59:59.000Z

77

High Performance Computing in Accelerator Science: Past Successes. Future Challenges  

E-Print Network [OSTI]

High Performance Computing in Accelerator Science: PastAC02- 05CH11231. High Performance Computing in Accelerator

Ryne, R.

2013-01-01T23:59:59.000Z

78

High Performance Computing Data Center Metering Protocol  

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

High Performance High Performance Computing Data Center Metering Protocol Prepared for: U.S. Department of Energy Office of Energy Efficiency and Renewable Energy Federal Energy Management Program Prepared by: Thomas Wenning Michael MacDonald Oak Ridge National Laboratory September 2010 ii Introduction Data centers in general are continually using more compact and energy intensive central processing units, but the total number and size of data centers continues to increase to meet progressive computing requirements. In addition, efforts are underway to consolidate smaller data centers across the country. This consolidation is resulting in a growth of high-performance computing facilities (i.e. - supercomputers) which consume large amounts of energy to support the numerically intensive

79

High Performance Sustainable Building Design RM  

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

High Performance Sustainable High Performance Sustainable Building Design Review Module March 2010 CD-0 O High 0 This Re Les OFFICE OF h Perform CD-1 eview Module ssons learned f F ENVIRON Standard R mance Su Revi Critical D CD-2 M has been pilot from the pilot h NMENTAL Review Plan ustainabl iew Module Decision (CD C March 2010 ted at the SRS have been incor L MANAGE n (SRP) le Buildin e D) Applicabili D-3 SWPF and MO rporated in Rev EMENT ng Design ity CD-4 OX FFF projec view Module n Post Ope cts. eration Standard Review Plan, 2 nd Edition, March 2010 i FOREWORD The Standard Review Plan (SRP) 1 provides a consistent, predictable corporate review framework to ensure that issues and risks that could challenge the success of Office of Environmental Management (EM) projects are identified early and addressed proactively. The

80

MPICH | High-Performance Portable MPI  

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

MPICH MPICH High-Performance Portable MPI Skip to content Home About MPICH Overview News and Events Collaborators MPI Forum Downloads Releases Release Timeline Pending Tickets Source Changes Documentation Guides Publications MPICH Wiki Hydra Usage Developer Docs Contributor Docs Support FAQs Mailing Lists Bug Reports ABI Compatibility Initiative MPICH is a high performance and widely portable implementation of the Message Passing Interface (MPI) standard. The goals of MPICH are: to provide an MPI implementation that efficiently supports different computation and communication platforms including commodity clusters (desktop systems, shared-memory systems, multicore architectures), high-speed networks and proprietary high-end computing systems (Blue Gene, Cray) to enable cutting-edge research in MPI through an easy-to-extend

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


81

Development of a High Performance Air Source Heat Pump for the US Market  

SciTech Connect (OSTI)

Heat pumps present a significant advantage over conventional residential heating technologies due to higher energy efficiencies and less dependence on imported oil. The US development of heat pumps dates back to the 1930 s with pilot units being commercially available in the 1950 s. Reliable and cost competitive units were available in the US market by the 1960 s. The 1973 oil embargo led to increased interest in heat pumps prompting significant research to improve performance, particularly for cold climate locations. Recent increasing concerns on building energy efficiency and environmental emissions have prompted a new wave of research in heat pump technology with special emphasis on reducing performance degradation at colder outdoor air temperatures. A summary of the advantages and limitations of several performance improvement options sought for the development of high performance air source heat pump systems for cold climate applications is the primary focus of this paper. Some recommendations for a high performance cold climate heat pump system design most suitable for the US market are presented.

Abdelaziz, Omar [ORNL] [ORNL; Shen, Bo [ORNL] [ORNL; Gao, Zhiming [ORNL] [ORNL; Baxter, Van D [ORNL] [ORNL; Iu, Ipseng [ORNL] [ORNL

2011-01-01T23:59:59.000Z

82

Cold Climate Heat Pump Research Project | Department of Energy  

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

Emerging Technologies » Cold Climate Heat Pump Research Project Emerging Technologies » Cold Climate Heat Pump Research Project Cold Climate Heat Pump Research Project The U.S. Department of Energy is currently conducting research into cold climate heat pumps. The research is designed to overcome technical and economic barriers that limit market penetration in cold climates. Project Description This project seeks to develop a high-performance, cold climate heat pump technology using multi-stage compressor technology. Several vapor compression cycle configurations are being examined and optimized for superior performance. Target performance and preliminary results will be used to perform a detailed market assessment in order to investigate the national impact and potential market penetration. Project Partners Research is being undertaken through a cooperative research and development

83

Debugging a high performance computing program  

DOE Patents [OSTI]

Methods, apparatus, and computer program products are disclosed for debugging a high performance computing program by gathering lists of addresses of calling instructions for a plurality of threads of execution of the program, assigning the threads to groups in dependence upon the addresses, and displaying the groups to identify defective threads.

Gooding, Thomas M.

2014-08-19T23:59:59.000Z

84

High Performance Subgraph Mining in Molecular Compounds  

E-Print Network [OSTI]

High Performance Subgraph Mining in Molecular Compounds Giuseppe Di Fatta1,2 and Michael R data makes distributed graph mining techniques particularly relevant. In this paper, we present method has been evaluated on the well-known National Cancer Institute's HIV-screening dataset, where

Reiterer, Harald

85

ASTM A-710 GRADE B High Performance  

E-Print Network [OSTI]

(ASTM A710 Grade B) steel is better than that of any other commercially available weathering steel. Paint on this steel resists degradation much better than on other weathering steels. NUCu steel does-precipitation-hardened, high- performance Grade 70 weathering steel, NUCu 70W (Northwestern University Cu

86

High voltage electric substation performance in earthquakes  

SciTech Connect (OSTI)

This paper examines the performance of several types of high voltage substation equipment in past earthquakes. Damage data is provided in chart form. This data is then developed into a tool for estimating the performance of a substation subjected to an earthquake. First, suggests are made about the development of equipment class fragility curves that represent the expected earthquake performance of different voltages and types of equipment. Second, suggestions are made about how damage to individual pieces of equipment at a substation likely affects the post-earthquake performance of the substation as a whole. Finally, estimates are provided as to how quickly a substation, at various levels of damage, can be restored to operational service after the earthquake.

Eidinger, J. [G and E Engineering Systems, Oakland, CA (United States); Ostrom, D. [Southern California Edison, Rosemead, CA (United States); Matsuda, E. [Pacific Gas and Electric, San Francisco, CA (United States)

1995-12-31T23:59:59.000Z

87

High-Performance Mass Spectrometry Facility  

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

HPMSF Overview HPMSF Overview Section 2-4-1 High-Performance Mass Spectrometry Facility The High-Performance Mass Spectrometry Facility (HPMSF) provides state-of-the-art mass spectrometry (MS) and separations instrumentation that has been refined for leading-edge analysis of biological problems with a primary emphasis on proteomics. Challenging research in proteomics, cell signaling, cellular molecular machines, and high-molecular weight systems receive the highest priority for access to the facility. Current research activities in the HPMSF include proteomic analyses of whole cell lysates, analyses of organic macro-molecules and protein complexes, quantification using isotopically labeled growth media, targeted proteomics analyses of subcellular fractions, and nucleic acid analysis of

88

Monitoring building energy consumption, thermal performance, and indoor air quality in a cold climate region  

Science Journals Connector (OSTI)

Abstract Buildings are major consumers of the world's energy. Optimizing energy consumption of buildings during operation can significantly reduce their impact on the global environment. Monitoring the energy usage and performance is expected to aid in reducing the energy consumption of occupants. In this regard, this paper describes a framework for sensor-based monitoring of energy performance of buildings under occupancy. Different types of sensors are installed at different locations in 12 apartment units in a building in Fort McMurray, Alberta, Canada to assess occupant energy usage, thermal performance of the building envelope, and indoor air quality (IAQ). The relationship between heating energy consumption and the thermal performance of building envelope and occupant comfort level is investigated by analyzing the monitoring data. The results show that the extent of heat loss, occupant comfort level, and appliance usage patterns have significant impacts on heating energy and electricity consumption. This study also identifies the factors influencing the poor IAQ observed in some case-study units. In the long term, it is expected that the extracted information acquired from the monitoring system can be used to support intelligent decisions to save energy, and can be implemented by the building management system to achieve financial, environmental, and health benefits.

Tanzia Sharmin; Mustafa Gl; Xinming Li; Veselin Ganev; Ioanis Nikolaidis; Mohamed Al-Hussein

2014-01-01T23:59:59.000Z

89

Groundbreaking High-Performance Building Districts  

E-Print Network [OSTI]

Groundbreaking High-Performance Building Districts ESL-KT-14-11-28 CATEE 2014: Clean Air Through Efficiency Conference, Dallas, Texas Nov. 18-20 ? The Centre for Building Performance is a Registered Provider with The American Institute...-11-28 CATEE 2014: Clean Air Through Efficiency Conference, Dallas, Texas Nov. 18-20 ? This program is registered with AIA/CES for continuing professional education. As such, it does not include content that may be deemed or construed to be an approval...

Jordan, J.

2014-01-01T23:59:59.000Z

90

Presented by High-Performance Visualization of  

E-Print Network [OSTI]

;2 Managed by UT-Battelle for the U.S. Department of Energy Bhaduri_HPC_GIS_Viz_SC10 Geographic information-Battelle for the U.S. Department of Energy Bhaduri_HPC_GIS_Viz_SC10 GIS and high-performance computing: Incentives ­ Data mining and visual exploratory methods ­ Simulation models #12;4 Managed by UT-Battelle for the U.S

91

Office of Legacy Management Designated as a High-Performing Organization |  

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

Office of Legacy Management Designated as a High-Performing Office of Legacy Management Designated as a High-Performing Organization Office of Legacy Management Designated as a High-Performing Organization July 6, 2009 - 11:45am Addthis Office of Legacy Management Designated as a High-Performing Organization What does this project do? Goal 5. Sustain management excellence Executive Summary: The U.S. Department of Energy (DOE) Office of Legacy Management (LM) was established in 2003 to serve as the steward for the nation's Cold War nuclear legacy. LM is responsible for the long-term surveillance and maintenance of environmental remedies, promotion of beneficial reuse, and management of records and information associated with over 70 former nuclear weapons production sites located in 26 states. LM is also responsible for the administration of contractor pension plans and

92

Trends in high-performance computing for engineering calculations  

Science Journals Connector (OSTI)

...James DeBonis Trends in high-performance computing for engineering calculations...and the environment . High-performance computing has evolved remarkably...application developers. high-performance computing|multicore|manycore...

2014-01-01T23:59:59.000Z

93

New science from highperformance computing: an introduction  

Science Journals Connector (OSTI)

...Issue New science from high-performance computing organized by Richard Catlow...Wilson New science from high-performance computing: an introduction C...UK New science from high-performance computing: an introduction...

2002-01-01T23:59:59.000Z

94

Managing Stakeholder Requirements in High Performance Computing Procurement  

E-Print Network [OSTI]

Managing Stakeholder Requirements in High Performance Computing Procurement John Rooksby1 , Mark Department of Management, Lancaster University High Performance Computing (HPC) facilities are provided strategy can rigorously meet the demands of the potential users. 1 Introduction High Performance Computing

Sommerville, Ian

95

High Performance Computing Managing world-class supercomputing centers  

E-Print Network [OSTI]

- 1 - High Performance Computing Managing world-class supercomputing centers Read caption Leader The High Performance Computing (HPC) Division supports the Laboratory mission by managing world high performance computing, storage, and emerging data-intensive information science production systems

96

Middleware in Modern High Performance Computing System Architectures  

E-Print Network [OSTI]

Middleware in Modern High Performance Computing System Architectures Christian Engelmann, Hong Ong trend in modern high performance computing (HPC) system architectures employs "lean" compute nodes) continue to reside on compute nodes. Key words: High Performance Computing, Middleware, Lean Compute Node

Engelmann, Christian

97

Purchase of High Performance Computing (HPC) Central Compute Resources  

E-Print Network [OSTI]

Purchase of High Performance Computing (HPC) Central Compute Resources by Northwestern Researchers summarizes High Performance Computing (HPC) compute resources that faculty engaged in research may purchase of code on the Quest high performance computing system. The installation cycles for new

Shull, Kenneth R.

98

High-Efficiency Resonant RF Spin Rotator with Broad Phase Space Acceptance for Pulsed Polarized Cold Neutron Beams  

E-Print Network [OSTI]

We have developed a radio-frequency resonant spin rotator to reverse the neutron polarization in a 9.5 cm x 9.5 cm pulsed cold neutron beam with high efficiency over a broad cold neutron energy range. The effect of the spin reversal by the rotator on the neutron beam phase space is compared qualitatively to RF neutron spin flippers based on adiabatic fast passage. The spin rotator does not change the kinetic energy of the neutrons and leaves the neutron beam phase space unchanged to high precision. We discuss the design of the spin rotator and describe two types of transmission-based neutron spin-flip efficiency measurements where the neutron beam was both polarized and analyzed by optically-polarized 3He neutron spin filters. The efficiency of the spin rotator was measured to be 98.0+/-0.8% on resonance for neutron energies from 3.3 to 18.4 meV over the full phase space of the beam. As an example of the application of this device to an experiment we describe the integration of the RF spin rotator into an apparatus to search for the small parity-violating asymmetry A_gamma in polarized cold neutron capture on para-hydrogen by the NPDGamma collaboration at LANSCE.

P. -N. Seo; L. Barron-Palos; J. D. Bowman; T. E. Chupp; C. Crawford; M. Dabaghyan; M. Dawkins; S. J. Freedman; T. Gentile; M. T. Gericke; R. C. Gillis; G. L. Greene; F. W. Hersman; G. L. Jones; M. Kandes; S. Lamoreaux; B. Lauss; M. B. Leuschner; R. Mahurin; M. Mason; J. Mei; G. S. Mitchell; H. Nann; S. A. Page; S. I. Penttila; W. D. Ramsay; A. Salas Bacci; S. Santra; M. Sharma; T. B. Smith; W. M. Snow; W. S. Wilburn; H. Zhu

2007-10-15T23:59:59.000Z

99

High-Performance Sustainable Building Design for New Construction...  

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

Sustainable Buildings & Campuses High-Performance Sustainable Building Design for New Construction and Major Renovations High-Performance Sustainable Building Design for New...

100

Federal Leadership in High Performance and Sustainable Buildings...  

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

Leadership in High Performance and Sustainable Buildings Memorandum of Understanding Federal Leadership in High Performance and Sustainable Buildings Memorandum of Understanding...

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


101

Revisit of Energy Use and Technologies of High Performance Buildings  

E-Print Network [OSTI]

Revisit of Energy Use and Technologies of High PerformanceEnvironmental Energy Technologies Division May 2014 ThisRevisit of Energy Use and Technologies of High Performance

Li Ph.D., Cheng

2014-01-01T23:59:59.000Z

102

USABC Development of Advanced High-Performance Batteries for...  

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

USABC Development of Advanced High-Performance Batteries for EV Applications USABC Development of Advanced High-Performance Batteries for EV Applications 2012 DOE Hydrogen and Fuel...

103

Energy Efficiency Opportunities in Federal High Performance Computing...  

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

Energy Efficiency Opportunities in Federal High Performance Computing Data Centers Energy Efficiency Opportunities in Federal High Performance Computing Data Centers Case study...

104

High-Performance Computing at Los Alamos announces milestone...  

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

High-Performance Computing announces milestone High-Performance Computing at Los Alamos announces milestone for keyvalue middleware Billion inserts-per-second data milestone...

105

100 supercomputers later, Los Alamos high-performance computing...  

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

High-performance computing supports national security 100 supercomputers later, Los Alamos high-performance computing still supports national security mission Los Alamos National...

106

NREL: Energy Systems Integration Facility - High-Performance...  

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

High-Performance Computing and Analytics High-performance computing and analytic capabilities at the Energy Systems Integration Facility enable study and simulation of material...

107

John Shalf Gives Talk at San Francisco High Performance Computing...  

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

John Shalf Gives Talk at San Francisco High Performance Computing Meetup John Shalf Gives Talk at San Francisco High Performance Computing Meetup September 17, 2014 XBD200503 00083...

108

Building America Roadmap to High Performance Homes | Department...  

Office of Environmental Management (EM)

Building America Roadmap to High Performance Homes Building America Roadmap to High Performance Homes This presentation was delivered at the U.S. Department of Energy Building...

109

High Performance Without Increased Cost: Urbane Homes, Louisville...  

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

High Performance Without Increased Cost: Urbane Homes, Louisville, KY - Building America Top Innovation High Performance Without Increased Cost: Urbane Homes, Louisville, KY -...

110

Webinar: ENERGY STAR Hot Water Systems for High Performance Homes...  

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

Webinar: ENERGY STAR Hot Water Systems for High Performance Homes Webinar: ENERGY STAR Hot Water Systems for High Performance Homes This presentation is from the Building America...

111

Flexible Pillared Graphene-Paper Electrodes for High-Performance...  

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

Flexible Pillared Graphene-Paper Electrodes for High-Performance Electrochemical Supercapacitors. Flexible Pillared Graphene-Paper Electrodes for High-Performance Electrochemical...

112

Dish Stirling High Performance Thermal Storage | Department of...  

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

Stirling High Performance Thermal Storage Dish Stirling High Performance Thermal Storage This presentation was delivered at the SunShot Concentrating Solar Power (CSP) Program...

113

High performance Zintl phase TE materials with embedded nanoparticles...  

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

performance Zintl phase TE materials with embedded nanoparticles High performance Zintl phase TE materials with embedded nanoparticles Performance of zintl phase thermoelectric...

114

Enhanced High and Low Temperature Performance of NOx Reduction...  

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

Enhanced High and Low Temperature Performance of NOx Reduction Materials Enhanced High and Low Temperature Performance of NOx Reduction Materials 2013 DOE Hydrogen and Fuel Cells...

115

Conductive Rigid Skeleton Supported Silicon as High-Performance...  

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

Conductive Rigid Skeleton Supported Silicon as High-Performance Li-Ion Battery Anodes. Conductive Rigid Skeleton Supported Silicon as High-Performance Li-Ion Battery Anodes....

116

Forced Air Systems in High Performance Homes  

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

FORCED AIR SYSTEMS IN FORCED AIR SYSTEMS IN HIGH PERFORMANCE HOMES Iain Walker (LBNL) Building America Meeting 2013 What are the issues? 1. Sizing  When is too small too small? 2. Distribution  Can we get good mixing at low flow? 3. Performance  Humidity Control  Part load efficiency  Blowers & thermal losses Sizing  Part-load - not an issue with modern equipment  Careful about predicted loads - a small error becomes a big problem for tightly sized systems  Too Low Capacity = not robust  Extreme vs. design days  Change in occupancy  Party mode  Recovery from setback Sizing  Conventional wisdom - a good envelope = easy to predict and not sensitive to indoor conditions  But..... Heating and cooling become discretionary - large variability depending on occupants

117

The Performance House: A Cold Climate Challenge Home, Old Greenwich, Connecticut (Fact Sheet), Building America Case Study: Efficient Solutions for New and Existing Homes, Building Technologies Office (BTO)  

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

The Performance House: The Performance House: A Cold Climate Challenge Home Old Greenwich, Connecticut PROJECT INFORMATION Project Name: Performance House Location: Old Greenwich, CT Partners: Preferred Builders Inc. www.preferredbuilders.biz Consortium for Advanced Residential Buildings www.carb-swa.com Size: 2,700 ft 2 plus basement Year Completed: 2012 Climate Zone: Cold PERFORMANCE DATA Source Energy Savings: 30.9% HERS Index: 43 (20 with PV) Projected Annual Utility Costs: $2,508; $795 with PV Incremental Cost of Energy Efficiency Measures: $47,337 (excluding PV) Savings-to-Investment Ratio (over 15 years): * Solution Package (SP) = 0.29 * SP with Incentives = 0.34 * SP with Solar = 0.52 * SP with Solar & Incentives = 0.82 By working with builder partners on test homes, researchers from the U.S.

118

High Performance Piezoelectric Actuated Gimbal (HIERAX)  

SciTech Connect (OSTI)

This paper presents a 3-axis gimbal whose three rotational axes are actuated by a novel drive system: linear piezoelectric motors whose linear output is converted to rotation by using drive disks. Advantages of this technology are: fast response, high accelerations, dither-free actuation and backlash-free positioning. The gimbal was developed to house a laser range finder for the purpose of tracking and guiding unmanned aerial vehicles during landing maneuvers. The tilt axis was built and the test results indicate excellent performance that meets design specifications.

Charles Tschaggeny; Warren Jones; Eberhard Bamberg

2007-04-01T23:59:59.000Z

119

Climate Modeling using High-Performance Computing  

SciTech Connect (OSTI)

The Center for Applied Scientific Computing (CASC) and the LLNL Climate and Carbon Science Group of Energy and Environment (E and E) are working together to improve predictions of future climate by applying the best available computational methods and computer resources to this problem. Over the last decade, researchers at the Lawrence Livermore National Laboratory (LLNL) have developed a number of climate models that provide state-of-the-art simulations on a wide variety of massively parallel computers. We are now developing and applying a second generation of high-performance climate models. Through the addition of relevant physical processes, we are developing an earth systems modeling capability as well.

Mirin, A A

2007-02-05T23:59:59.000Z

120

Building America Roadmap to High Performance Homes  

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

Program Name or Ancillary Text Program Name or Ancillary Text eere.energy.gov Building America Technical Update Meeting - April 29, 2013 Building America Roadmap to High Performance Homes Eric Werling Building America Coordinator Denver, CO April 29, 2013 Building Technology Office U.S. Department of Energy EERE's National Mission Mission: To create American leadership in the global transition to a clean energy economy 1) High-Impact Research, Development, and Demonstration to Make Clean Energy as Affordable and Convenient as Traditional Forms of Energy 2) Breaking Down Barriers to Market Entry 2 | Building Technologies Office eere.energy.gov Why It Matters to America * Winning the most important global economic development race of the 21 st century * Creating jobs through American innovation

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


121

High performance computing and numerical modelling  

E-Print Network [OSTI]

Numerical methods play an ever more important role in astrophysics. This is especially true in theoretical works, but of course, even in purely observational projects, data analysis without massive use of computational methods has become unthinkable. The key utility of computer simulations comes from their ability to solve complex systems of equations that are either intractable with analytic techniques or only amenable to highly approximative treatments. Simulations are best viewed as a powerful complement to analytic reasoning, and as the method of choice to model systems that feature enormous physical complexity such as star formation in evolving galaxies, the topic of this 43rd Saas Fee Advanced Course. The organizers asked me to lecture about high performance computing and numerical modelling in this winter school, and to specifically cover the basics of numerically treating gravity and hydrodynamics in the context of galaxy evolution. This is still a vast field, and I necessarily had to select a subset ...

,

2014-01-01T23:59:59.000Z

122

The Technical and Economical Analysis of a Centralized Air-Conditioning System with Cold Storage Refrigeration in High-Rise Residential Buildings  

E-Print Network [OSTI]

In recent years, the application of a centralized air-conditioning system (CACS) with cold storage refrigeration in high-rise residential buildings has gradually increased. Due to the large difference between civil residential buildings...

Xiang, C.; Xie, G.

2006-01-01T23:59:59.000Z

123

What Damped Ly-alpha Systems Tell Us About the Radial Distribution of Cold Gas at High Redshift  

E-Print Network [OSTI]

We investigate the properties of damped Lyman-alpha systems (DLAS) in semi-analytic models, focusing on whether the models can reproduce the kinematic properties of low-ionization metal lines described by Prochaska & Wolfe (1997b, 1998). We explore a variety of approaches for modelling the radial distribution of the cold neutral gas associated with the galaxies in our models, and find that our results are very sensitive to this ingredient. If we use an approach based on Fall & Efstathiou (1980), in which the sizes of the discs are determined by conservation of angular momentum, we find that the majority of the DLAS correspond to a single galactic disc. These models generically fail to reproduce the observed distribution of velocity widths. In alternative models in which the gas discs are considerably more extended, a significant fraction of DLAS arise from lines of sight intersecting multiple gas discs in a common halo. These models produce kinematics that fit the observational data, and also seem to agree well with the results of recent hydrodynamical simulations. Thus we conclude that Cold Dark Matter based models of galaxy formation can be reconciled with the kinematic data, but only at the expense of the standard assumption that DLAS are produced by rotationally supported gas discs whose sizes are determined by conservation of angular momentum. We suggest that the distribution of cold gas at high redshift may be dominated by another process, such as tidal streaming due to mergers.

Ariyeh H. Maller; Jason X. Prochaska; Rachel S. Somerville; Joel R. Primack

2000-02-24T23:59:59.000Z

124

CENTER FOR HIGH PERFORMANCE COMPUTING Overview of CHPC  

E-Print Network [OSTI]

CENTER FOR HIGH PERFORMANCE COMPUTING Overview of CHPC Julia Harrison, Associate Director Center for High Performance Computing julia.harrison@utah.edu Spring 2009 #12;CENTER FOR HIGH PERFORMANCE://www.chpc.utah.edu/docs/services.html 2/26/09 http://www.chpc.utah.edu Slide 3 #12;CENTER FOR HIGH PERFORMANCE COMPUTING Arches 2

Alvarado, Alejandro Sánchez

125

C++ programming techniques for High Performance Computing on systems with  

E-Print Network [OSTI]

C++ programming techniques for High Performance Computing on systems with non-uniform memory access (including NUMA) without sacrificing performance. ccNUMA In High Performance Computing (HPC), shared- memory

Fiebig, Peter

126

High-performance Si microwire photovoltaics  

SciTech Connect (OSTI)

Crystalline Si wires, grown by the vaporliquidsolid (VLS) process, have emerged as promising candidate materials for low-cost, thin-film photovoltaics. Here, we demonstrate VLS-grown Si microwires that have suitable electrical properties for high-performance photovoltaic applications, including long minority-carrier diffusion lengths (L{sub n} ? 30 m) and low surface recombination velocities (S ? 70 cms{sup ?1}). Single-wire radial pn junction solar cells were fabricated with amorphous silicon and silicon nitride surface coatings, achieving up to 9.0% apparent photovoltaic efficiency, and exhibiting up to ~600 mV open-circuit voltage with over 80% fill factor. Projective single-wire measurements and optoelectronic simulations suggest that large-area Si wire-array solar cells have the potential to exceed 17% energy-conversion efficiency, offering a promising route toward cost-effective crystalline Si photovoltaics.

Kelzenberg, Michael D.; Turner-Evans, Daniel B.; Putnam, Morgan C.; Boettcher, Shannon W.; Briggs, Ryan M.; Baek, Jae Y; Lewis, Nathan S.; Atwater, Harry A.

2011-01-01T23:59:59.000Z

127

High Temperature Oxidation Performance of Aluminide Coatings  

SciTech Connect (OSTI)

Aluminide coatings are of interest for many high temperature applications because of the possibility of improving the oxidation resistance of structural alloys by forming a protective external alumina scale. Steam and exhaust gas environments are of particular interest because alumina is less susceptible to the accelerated attack due to hydroxide formation observed for chromia- and silica-forming alloys and ceramics. For water vapor testing, one ferritic (Fe-9Cr-1Mo) and one austenitic alloy (304L) have been selected as substrate materials and CVD coatings have been used in order to have a well-controlled, high purity coating. It is anticipated that similar aluminide coatings could be made by a higher-volume, commercial process such as pack cementation. Previous work on this program has examined as-deposited coatings made by high and low Al activity CVD processes and the short-term performance of these coatings. The current work is focusing on the long term behavior in both diffusion tests16 and oxidation tests of the thicker, high Al activity coatings. For long-term coating durability, one area of concern has been the coefficient of thermal expansion (CTE) mismatch between coating and substrate. This difference could cause cracking or deformation that could reduce coating life. Corrosion testing using thermal cycling is of particular interest because of this potential problem and results are presented where a short exposure cycle (1h) severely degraded aluminide coatings on both types of substrates. To further study the potential role of aluminide coatings in fossil energy applications, several high creep strength Ni-base alloys were coated by CVD for testing in a high pressure (20atm) steam-CO{sub 2} environment for the ZEST (zero-emission steam turbine) program. Such alloys would be needed as structural and turbine materials in this concept. For Ni-base alloys, CVD produces a {approx}50{mu}m {beta}-NiAl outer layer with an underlying interdiffusion zone. Specimens of HR160, alloy 601 and alloy 230 were tested with and without coatings at 900 C and preliminary post-test characterization is reported.

Pint, Bruce A [ORNL; Zhang, Ying [Tennessee Technological University; Haynes, James A [ORNL; Wright, Ian G [ORNL

2004-01-01T23:59:59.000Z

128

High-performance, high-volume fly ash concrete  

SciTech Connect (OSTI)

This booklet offers the construction professional an in-depth description of the use of high-volume fly ash in concrete. Emphasis is placed on the need for increased utilization of coal-fired power plant byproducts in lieu of Portland cement materials to eliminate increased CO{sub 2} emissions during the production of cement. Also addressed is the dramatic increase in concrete performance with the use of 50+ percent fly ash volume. The booklet contains numerous color and black and white photos, charts of test results, mixtures and comparisons, and several HVFA case studies.

NONE

2008-01-15T23:59:59.000Z

129

Low-energy, high-current, ion source with cold electron emitter  

SciTech Connect (OSTI)

An ion source based on a two-stage discharge with electron injection from a cold emitter is presented. The first stage is the emitter itself, and the second stage provides acceleration of injected electrons for gas ionization and formation of ion flow (<20 eV, 5 A dc). The ion accelerating system is gridless; acceleration is accomplished by an electric field in the discharge plasma within an axially symmetric, diverging, magnetic field. The hollow cathode electron emitter utilizes an arc discharge with cathode spots hidden inside the cathode cavity. Selection of the appropriate emitter material provides a very low erosion rate and long lifetime.

Vizir, A. V.; Oks, E. M. [High Current Electronics Institute, Russian Academy of Sciences, Tomsk 634055 (Russian Federation); State University of Control Systems and Radioelectronics, Tomsk 634050 (Russian Federation); Shandrikov, M. V.; Yushkov, G. Yu. [High Current Electronics Institute, Russian Academy of Sciences, Tomsk 634055 (Russian Federation)

2012-02-15T23:59:59.000Z

130

Office of Legacy Management Designated as a High-Performing Organization |  

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

Office of Legacy Management Designated as a High-Performing Office of Legacy Management Designated as a High-Performing Organization Office of Legacy Management Designated as a High-Performing Organization July 6, 2009 - 11:45am Addthis What does this project do? Goal 5. Sustain management excellence Executive Summary: The U.S. Department of Energy (DOE) Office of Legacy Management (LM) was established in 2003 to serve as the steward for the nation's Cold War nuclear legacy. LM is responsible for the long-term surveillance and maintenance of environmental remedies, promotion of beneficial reuse, and management of records and information associated with over 70 former nuclear weapons production sites located in 26 states. LM is also responsible for the administration of contractor pension plans and post-retirement benefits for over 10,000 former contractor workers.

131

High performance internal reforming unit for high temperature fuel cells  

DOE Patents [OSTI]

A fuel reformer having an enclosure with first and second opposing surfaces, a sidewall connecting the first and second opposing surfaces and an inlet port and an outlet port in the sidewall. A plate assembly supporting a catalyst and baffles are also disposed in the enclosure. A main baffle extends into the enclosure from a point of the sidewall between the inlet and outlet ports. The main baffle cooperates with the enclosure and the plate assembly to establish a path for the flow of fuel gas through the reformer from the inlet port to the outlet port. At least a first directing baffle extends in the enclosure from one of the sidewall and the main baffle and cooperates with the plate assembly and the enclosure to alter the gas flow path. Desired graded catalyst loading pattern has been defined for optimized thermal management for the internal reforming high temperature fuel cells so as to achieve high cell performance.

Ma, Zhiwen (Sandy Hook, CT); Venkataraman, Ramakrishnan (New Milford, CT); Novacco, Lawrence J. (Brookfield, CT)

2008-10-07T23:59:59.000Z

132

cold standby  

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

Cold Standby Program at the Cold Standby Program at the Portsmouth Gaseous Diffusion Plant DOE/IG-0634 December 2003 Program Results and Cost Details of Finding ...................................................................... 1 Recommendations and Comments ........................................... 5 Appendices Prior Reports .............................................................................. 7 Objective, Scope, and Methodology .......................................... 8 Management Comments .......................................................... 10 COLD STANDBY PROGRAM AT THE PORTSMOUTH GASEOUS DIFFUSION PLANT TABLE OF CONTENTS Page 1 Program Plans The Department has not clearly defined the termination point of the Cold Standby Program. Initially, the Department's Office of Nuclear

133

Optimizing Cooling Tower Performance- Refrigeration Systems, Chemical Plants, and Power Plants all Have A Resource Quietly Awaiting Exploitation-Cold Water!!  

E-Print Network [OSTI]

OPTIMIZING COOLING TOWER PERFORMANCE REFRIGERATION SYSTEMS, CHEMICAL PLANTS, AND POWER PLANTS ALL HAVE A RESOURCE QUIETLY AWAITING EXPLOITATION - COLD WATER!! ROBERT BURGER President Burger and Associates, Inc. Dallas, Texas Cooling... towers, because of their seeming simplicity, are usually orphans of the facilities operation. We are all aware that cooling towers are the step-children of the chemical process plant, electric power generating station, and refrigeration system...

Burger, R.

134

Java for High Performance Computing Java HPC Codes  

E-Print Network [OSTI]

Motivation Java for High Performance Computing Java HPC Codes Performance Evaluation Conclusions Java for High Performance Computing: Myth or Reality? Guillermo López Taboada Grupo de Arquitectura de López Taboada Java for HPC: Myth or Reality? #12;Motivation Java for High Performance Computing Java HPC

Fraguela, Basilio B.

135

Physics Analyses in the Design of the HFIR Cold Neutron Source  

SciTech Connect (OSTI)

Physics analyses have been performed to characterize the performance of the cold neutron source to be installed in the High Flux Isotope Reactor at the Oak Ridge National Laboratory in the near future. This paper provides a description of the physics models developed, and the resulting analyses that have been performed to support the design of the cold source. These analyses have provided important parametric performance information, such as cold neutron brightness down the beam tube and the various component heat loads, that have been used to develop the reference cold source concept.

Bucholz, J.A.

1999-09-27T23:59:59.000Z

136

DOE Announces Webinars on High Performance Space Conditioning...  

Office of Environmental Management (EM)

Performance Space Conditioning Systems, Tribal Renewable Energy, and More DOE Announces Webinars on High Performance Space Conditioning Systems, Tribal Renewable Energy, and More...

137

Project Profile: Development and Performance Evaluation of High...  

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

Development and Performance Evaluation of High Temperature Concrete for Thermal Energy Storage for Solar Power Generation Project Profile: Development and Performance Evaluation of...

138

Building America Webinar: High Performance Space Conditioning...  

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

Part I The webinar on Oct. 23, 2014, focused on strategies to improve the performance of HVAC systems for low load homes and home performance retrofits. Presenters and specific...

139

Building America Webinar: High Performance Space Conditioning...  

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

3:00PM to 4:30PM EDT The webinar will focus on strategies to improve the performance of HVAC systems for low load homes and home performance retrofits. Presenters and specific...

140

High Performance Computing Symposium 2012 (HPCS2012)  

Science Journals Connector (OSTI)

The High Performance Computing Symposium (HPCS) is a multi-disciplinary conference that is considered to be Canada's premier HPC forum. Each year, researchers, industry experts, vendors and HPC innovators in academia and industry gather to exchange new tools, techniques and results in and for HPC and computational research. HPCS 2012 (http://2012.hpcs.ca/) was hosted by WestGrid/Compute Canada and held in Vancouver, BC on 13 May 2012 alongside the BCNET Annual Conference. More than 550 HPC experts and tech innovators attended three days of workshops, demos, panels and presentations. We would like to thank all the sponsors, speakers, staff, and delegates for helping make HPCS 2012 a success. Also, thank you to the authors of these papers and to the reviewers for their support in the preparation of these proceedings. HPCS 2013 will be held in Ottawa, ON. For more information, visit http://hpcs.ca/. As a national organization, Compute Canada coordinates and promotes the use of HPC in Canadian research and works to ensure that Canadian researchers have the computational facilities and expert services necessary to advance scientific knowledge and innovation. WestGrid, one of Compute Canada's largest regional partners, is composed of 14 partner institutions spanning British Columbia, Alberta, Saskatchewan and Manitoba. The HPCS 2012 Organizing Committee

Jana Makar

2012-01-01T23:59:59.000Z

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


141

High performance hand-held gas chromatograph  

SciTech Connect (OSTI)

The Microtechnology Center of Lawrence Livermore National Laboratory has developed a high performance hand-held, real time detection gas chromatograph (HHGC) by Micro-Electro-Mechanical-System (MEMS) technology. The total weight of this hand-held gas chromatograph is about five lbs., with a physical size of 8{close_quotes} x 5{close_quotes} x 3{close_quotes} including carrier gas and battery. It consumes about 12 watts of electrical power with a response time on the order of one to two minutes. This HHGC has an average effective theoretical plate of about 40k. Presently, its sensitivity is limited by its thermal sensitive detector at PPM. Like a conventional G.C., this HHGC consists mainly of three major components: (1) the sample injector, (2) the column, and (3) the detector with related electronics. The present HHGC injector is a modified version of the conventional injector. Its separation column is fabricated completely on silicon wafers by means of MEMS technology. This separation column has a circular cross section with a diameter of 100 pm. The detector developed for this hand-held GC is a thermal conductivity detector fabricated on a silicon nitride window by MEMS technology. A normal Wheatstone bridge is used. The signal is fed into a PC and displayed through LabView software.

Yu, C.M.

1998-04-28T23:59:59.000Z

142

High-performance Propane Fuel Cells  

Science Journals Connector (OSTI)

... The performance of propane-oxygen cells operating between 150 and 200 C was recently described in detail4.

W. T. GRUBB

1964-02-15T23:59:59.000Z

143

Federal Energy Management Program: High-Performance Sustainable Building  

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

High-Performance Sustainable Building Design for New Construction and Major Renovations High-Performance Sustainable Building Design for New Construction and Major Renovations New construction and major renovations to existing buildings offer Federal agencies opportunities to create sustainable high-performance buildings. High-performance buildings can incorporate energy-efficient designs, sustainable siting and materials, and renewable energy technologies along with other innovative strategies. Also see Guiding Principles for Federal Leadership in High-Performance and Sustainable Buildings. Performance-Based Design Build Typically, architects, engineers, and project managers consider the potential to build a high-performance building to be limited by the initial cost. A different approach-performance-based design build-makes high performance the priority, from start to finish. Contracts are developed that focus on both limiting construction costs and meeting performance targets. The approach is not a source of funding, but rather a strategy to make the most out of limited, appropriated, funds.

144

Guides and Case Studies for Cold and Very Cold Climates | Department of  

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

Cold and Very Cold Climates Cold and Very Cold Climates Guides and Case Studies for Cold and Very Cold Climates Map of the Cold & Very Cold Zones of the United States. The far tips of North Dakota, Maine, and southern Alaska are shown as Very Cold. The northern half of the United States is shown as Cold. The U.S. Department of Energy (DOE) Building America program has developed a series of best practices and case studies to help builders improve whole-house energy performance in buildings found in cold and very cold climates. Best Practice Guides New Construction Case Studies Improvements to Existing Homes Case Studies Best Practice Guides 40% Whole-House Energy Savings in Cold and Very Cold Climates - Volume 12 New Construction Case Studies Colorado Project: The Hale Plan - Denver

145

Empirical Performance Analysis of High Performance Computing Benchmarks Across Variations in Cloud Computing.  

E-Print Network [OSTI]

??High Performance Computing (HPC) applications are data-intensive scientific software requiring significant CPU and data storage capabilities. Researchers have examined the performance of Amazon Elastic Compute (more)

Mani, Sindhu

2012-01-01T23:59:59.000Z

146

Building America Webinar: High Performance Building Enclosures...  

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

used to improve energy performance of building envelopes while dealing with issues like ice damming during exterior "overcoat" insulation retrofits? How can deep energy retrofits...

147

Catalyst Structure-Performance Relationship Identified by High...  

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

Identified by High-Throughput Operando Method: New Insight for Silica-Supported Catalyst Structure-Performance Relationship Identified by High-Throughput Operando Method: New...

148

SunShot Initiative: High-Performance Nanostructured Coating  

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

High-Performance Nanostructured High-Performance Nanostructured Coating to someone by E-mail Share SunShot Initiative: High-Performance Nanostructured Coating on Facebook Tweet about SunShot Initiative: High-Performance Nanostructured Coating on Twitter Bookmark SunShot Initiative: High-Performance Nanostructured Coating on Google Bookmark SunShot Initiative: High-Performance Nanostructured Coating on Delicious Rank SunShot Initiative: High-Performance Nanostructured Coating on Digg Find More places to share SunShot Initiative: High-Performance Nanostructured Coating on AddThis.com... Concentrating Solar Power Systems Components Competitive Awards CSP Research & Development Thermal Storage CSP Recovery Act Baseload CSP SunShot Multidisciplinary University Research Initiative CSP Heat Integration for Baseload Renewable Energy Deployment

149

Geocomputation's future at the extremes: high performance computing and nanoclients  

E-Print Network [OSTI]

Geocomputation's future at the extremes: high performance computing and nanoclients K.C. Clarke; High performance computing; Tractability; Geocom- putation E-mail address: kclarke@geog.ucsb.edu (K

Clarke, Keith

150

Report of the Task Force on Next Generation High Performance...  

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

Report of the Task Force on Next Generation High Performance Computing Report of the Task Force on Next Generation High Performance Computing The SEAB Task Force on Next Generation...

151

M Sathia Narayanan MAE 609 High Performance Computing  

E-Print Network [OSTI]

M Sathia Narayanan 3401 2454 MAE 609 High Performance Computing M. Jones (instructor) Project . . . 27 Page 1 of 28 #12;M Sathia Narayanan 3401 2454 MAE 609 High Performance Computing M. Jones

Krovi, Venkat

152

Mitigating Performance Degradation of High-Energy Lithium-Ion...  

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

Mitigating Performance Degradation of High-Energy Lithium-Ion Cells Mitigating Performance Degradation of High-Energy Lithium-Ion Cells 2013 DOE Hydrogen and Fuel Cells Program and...

153

Guiding Principles for Federal Leadership in High-Performance...  

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

and Sustainable Buildings Memorandum of Understanding and the Interagency Sustainability Working Group's High-Performance and Sustainable Buildings Guidance....

154

Multifunctional Nanoclay Hybrids of High Toughness, Thermal, and Barrier Performances  

Science Journals Connector (OSTI)

Multifunctional Nanoclay Hybrids of High Toughness, Thermal, and Barrier Performances ... functionalization of nanofillers, nanoclays or other compds. ...

Houssine Sehaqui; Joby Kochumalayil; Andong Liu; Tanja Zimmermann; Lars A. Berglund

2013-07-09T23:59:59.000Z

155

Software Reuse in High Performance Computing Shirley Browne  

E-Print Network [OSTI]

Software Reuse in High Performance Computing Shirley Browne University of Tennessee 107 Ayres Hall high performance computing architectures in the form of distributed memorymul- tiprocessors have become of programming applications to run on these machines. Economical use of high performance computing and subsequent

Hawick, Ken

156

Evaluating Parameter Sweep Workflows in High Performance Computing*  

E-Print Network [OSTI]

Evaluating Parameter Sweep Workflows in High Performance Computing* Fernando Chirigati1,# , Vítor a large amount of tasks that are submitted to High Performance Computing (HPC) environments. Different, Parameter Sweep, High Performance Computing (HPC) 1. INTRODUCTION1 # Many scientific experiments are based

Paris-Sud XI, Université de

157

1High Performance Computing at Liberal Arts Colleges Workshop 3  

E-Print Network [OSTI]

1High Performance Computing at Liberal Arts Colleges ­ Workshop 3 11October 27, 2009 Experiences (?) #12;2High Performance Computing at Liberal Arts Colleges ­ Workshop 3 22 Acknowledgements Thanks to. October 27, 2009 #12;3High Performance Computing at Liberal Arts Colleges ­ Workshop 3 33October 27, 2009

Barr, Valerie

158

Software Reuse in High Performance Computing Shirley Browne  

E-Print Network [OSTI]

Software Reuse in High Performance Computing Shirley Browne University of Tennessee 107 Ayres Hall high performance computing architectures in the form of distributed memory mul­ tiprocessors have and cost of programming applications to run on these machines. Economical use of high performance computing

Dongarra, Jack

159

Applying High Performance Computing to Analyzing by Probabilistic Model Checking  

E-Print Network [OSTI]

Applying High Performance Computing to Analyzing by Probabilistic Model Checking Mobile Cellular on the use of high performance computing in order to analyze with the proba- bilistic model checker PRISM. The Figure Generation Script 22 2 #12;1. Introduction We report in this paper on the use of high performance

Schneider, Carsten

160

Universal High Performance Computing ---We Have Just Begun  

E-Print Network [OSTI]

Universal High Performance Computing --- We Have Just Begun Jerome A. Feldman April, 1994, and deployment. At present, high performance computing is entirely different. Although there have been some commercial factor. A prerequisite for Universal High Performance Computing (UHPC) is con­ vergence

California at Berkeley, University of

Note: This page contains sample records for the topic "high performance cold" from the National Library of EnergyBeta (NLEBeta).
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We encourage you to perform a real-time search of NLEBeta
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161

High Performance Computing with a Conservative Spectral Boltzmann Solver  

E-Print Network [OSTI]

High Performance Computing with a Conservative Spectral Boltzmann Solver Jeffrey R. Haack and Irene the structure of the collisional formulation for high performance computing environments. The locality in space on high performance computing resources. We also use the improved computational power of this method

162

Studying Code Development for High Performance Computing: The HPCS Program  

E-Print Network [OSTI]

Studying Code Development for High Performance Computing: The HPCS Program Jeff Carver1 , Sima at measuring the development time for programs written for high performance computers (HPC). Our goal. Introduction The development of High-Performance Computing (HPC) programs (codes) is crucial to progress

Basili, Victor R.

163

High Performance Computing (HPC) Central Storage Resources for Research Support  

E-Print Network [OSTI]

High Performance Computing (HPC) Central Storage Resources for Research Support Effective for FY. They also describe new applications and technologies related to research in high performance computing2011 Revised: March 7, 2011 Page 1 Information Technology Purpose This memo summarizes High Performance

Shahriar, Selim

164

High Performance www.rrze.uni-erlangen.de  

E-Print Network [OSTI]

High Performance Computing at RRZE 2008 HPCatRRZE www.rrze.uni-erlangen.de #12;G. Hager, T. Zeiser and G. Wellein: Concepts of High Performance Computing. In: Fehske et al. Lect. Notes Phys. 739, 681 Optimization Techniques for the Hitachi SR8000 architecture. In: A. Bode (Ed.) : High Performance Computing

Fiebig, Peter

165

Advanced Environments and Tools for High Performance Computing  

E-Print Network [OSTI]

Advanced Environments and Tools for High Performance Computing Problem-Solving Environments Environments and Tools for High Performance Computing. The conference was chaired by Professor D. W. Walker and managing distributed high performance comput- ing resources is important for a PSE to meet the requirements

Walker, David W.

166

Building America Best Practices Series, Volume 7.1 - High-Performance Home Technologies: Guide to Determining Climate Regions by County  

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

HOT-HUMID HOT-HUMID MIXED-HUMID COLD / VERY COLD HOT-DRY / MIXED-DRY MARINE PREPARED BY Pacific Northwest National Laboratory & Oak Ridge National Laboratory August 2010 August 2010 * PNNL-17211 CLIMATE REGIONS VOLUME 7.1 R HIGH-PERFORMANCE HOME TECHNOLOGIES Guide to Determining Climate Regions by County BUILDING AMERICA BEST PRACTICES SERIES BUILDING AMERICA BEST PRACTICES SERIES VOLUME 7.1 High-Performance Home Technologies: Guide to Determining Climate Regions by County PREPARED BY Pacific Northwest National Laboratory Michael C. Baechler Jennifer Williamson, Theresa Gilbride, Pam Cole, and Marye Hefty

167

High Performance Electrolyzers for Hybrid Thermochemical Cycles  

SciTech Connect (OSTI)

Extensive electrolyzer testing was performed at the University of South Carolina (USC). Emphasis was given to understanding water transport under various operating (i.e., temperature, membrane pressure differential and current density) and design (i.e., membrane thickness) conditions when it became apparent that water transport plays a deciding role in cell voltage. A mathematical model was developed to further understand the mechanisms of water and SO2 transport, and to predict the effect of operating and design parameters on electrolyzer performance.

Dr. John W. Weidner

2009-05-10T23:59:59.000Z

168

Building America Top Innovations Hall of Fame Profile … High-Performance Home Cost Performance Trade-Offs Production Builders  

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

projects with production builders have demonstrated projects with production builders have demonstrated that high-performance homes experience significant cost trade-offs that offset other cost increases. This proved transformational, gaining builder traction with related market-based programs like ENERGY STAR for Homes and DOE Challenge Home. "Break points" or cost trade-offs that are identified during the engineering analysis of the residential construction process can yield two types of business savings: 1) reductions in costs of warranty and call-back service; and 2) offsets or "credits" attributed to reductions in other construction costs. The tables below show examples of cost and savings trade-offs experienced by Building America projects in hot-dry and cold climates. Energy-Efficiency

169

High Performance Computing and Storage Requirements for Biological and Environmental Research Target 2017  

E-Print Network [OSTI]

Journal of High Performance Computing Applications and high-?performance computing is critical in context requires High Performance Computing (HPC)

Gerber, Richard

2014-01-01T23:59:59.000Z

170

A High-Performance PHEV Battery Pack  

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

a reliable and highly efficient thermal management system Objective Simple Structure and Manufacturing Positive terminal Negative terminal Lead film (insulation tape) Stack and...

171

May 28, 2007 Middleware in Modern High Performance Computing System Architectures 1/20 Middleware in Modern High Performance  

E-Print Network [OSTI]

May 28, 2007 Middleware in Modern High Performance Computing System Architectures 1/20 Middleware in Modern High Performance Computing System Architectures Christian Engelmann1,2, Hong Ong1, Stephen L 28, 2007 Middleware in Modern High Performance Computing System Architectures 2/20 Talk Outline

Engelmann, Christian

172

HIGH PERFORMANCE COMPUTING INITIATIVE What Is It?  

E-Print Network [OSTI]

of power, and generate high amounts of heat.2 Rooms equipped to handle HPC should have redundant environmental controls to avoid data loss, dedicated power sources (with appropriate emergency backup power today to design an HPPC cluster of 36 nodes plus network switches in one seven-foot-high rack. If each

Weber, David J.

173

Federal Energy Management Program: High-Performance Sustainable Building  

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

High-Performance High-Performance Sustainable Building Design for New Construction and Major Renovations to someone by E-mail Share Federal Energy Management Program: High-Performance Sustainable Building Design for New Construction and Major Renovations on Facebook Tweet about Federal Energy Management Program: High-Performance Sustainable Building Design for New Construction and Major Renovations on Twitter Bookmark Federal Energy Management Program: High-Performance Sustainable Building Design for New Construction and Major Renovations on Google Bookmark Federal Energy Management Program: High-Performance Sustainable Building Design for New Construction and Major Renovations on Delicious Rank Federal Energy Management Program: High-Performance Sustainable Building Design for New Construction and Major Renovations on Digg

174

RAMCloud: Scalable High-Performance Storage  

E-Print Network [OSTI]

in the future: · Indexes? · Transactions? · Graphs? Goals: No impact on performance Minimum cost, energy! Main-memory DBs, again #12;5/31/11 2 DRAM in Storage Systems DRAM usage limited/specialized Clumsy of applications: Crowd-level collaboration Large-scale graph algorithms Real-time information

van Dyk, David

175

High-Performance Sport, Marijuana, and Cannabimimetics  

Science Journals Connector (OSTI)

......performance-enhancing. 2. There are potential health risks to the athlete with use...consideration of safety in dangerous sports requiring quick reactions...marijuana, despite adverse health effects. Approximately 10...marijuana use in sport and on the health of the athletes is an issue......

Richard L. Hilderbrand

2011-01-01T23:59:59.000Z

176

A Survey of High Performance Schools  

E-Print Network [OSTI]

of Indoor Air Quality Problems in Schools: Summary of Scientific Reserach (No. ORNL/M-6633/R1). Oak Ridge, Tennessee: Oak Ridge National Laboratory. Becker, B. R. 1990. A Computational parametric Study of Elementary School Energy Use. ASHRAE.... Paper presented at the IAQ 96. Fischer, J., & Sand, J. 2005. Field Test and Performance Verification:Integrated Active Desiccant Rooftop Hybrid System Installed in a School (No. ORNL/SUB/01/4000025209). Oak Ridge, Tennessee: OAK RIDGE NATIONAL...

Im, P.; Haberl, J. S.

2006-01-01T23:59:59.000Z

177

High performance, close-spaced thermionic converters  

SciTech Connect (OSTI)

Near ideal performance in a Thermionic Energy Converter (TEC) can be obtained using extremely small (< 10 microns) interelectrode spacings. Previous efforts to build such converters have encountered engineering problems. A new type of converter, called SAVTEC (for Self-Adjusting, Versatile Thermionic Energy Converter) has been developed at Rasor Associates, Inc., as a practical way to achieve small spacings. It has been demonstrated to deliver improved performance over conventional, ignited-mode converters. A series of individual SAVTEC's have been built and tested. Two general configurations were built: in the first a single emitter support lead (0.25 mm wire) passes through a hole in the center of the collector, with the emitter being welded to it. In the second three smaller wires replace the center wire and are welded to the emitter perimeter. These converters have shown reliable, temperature controlled spacings of the emitter and collector. Reproducible spacing of 10 microns (0.4 mils) were achieved on several converters. This paper presents details of SAVTEC converter construction and performance, including volt-ampere curves.

Dick, R.S.; Britt, E.J.; Fitzpatrick, G.O.; McVey, J.B.

1983-08-01T23:59:59.000Z

178

Health Equity Building High Performance Health Systems  

E-Print Network [OSTI]

, recently passed health reform outreach psychiatric care to the homeless legislation will be significantly were problematic, we rode our take health care to the streets to reach those bicycles to visit our education and health care delivery models toMedicine,located in a community struggling create high

Oklahoma, University of

179

Project Profile: High-Performance Nanostructured Coating  

Broader source: Energy.gov [DOE]

The University of California San Diego, under the 2012 SunShot Concentrating Solar Power (CSP) R&D funding opportunity announcement (FOA), is developing a new low-cost and scalable process for fabricating spectrally selective coatings (SSCs) to be used in solar absorbers for high-temperature CSP systems.

180

Virtual machine aware communication libraries for high performance computing  

Science Journals Connector (OSTI)

As the size and complexity of modern computing systems keep increasing to meet the demanding requirements of High Performance Computing (HPC) applications, manageability is becoming a critical concern to achieve both high performance and high productivity ... Keywords: MPI, VMM-bypass, Xen, inter-VM communication, virtual machines (VM)

Wei Huang; Matthew J. Koop; Qi Gao; Dhabaleswar K. Panda

2007-11-01T23:59:59.000Z

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


181

Compiler-based Memory Optimizations for High Performance Computing Systems.  

E-Print Network [OSTI]

??Parallelism has always been the primary method to achieve higher performance. To advance the computational capabilities of state-of-the-art high performance computing systems, we continue to (more)

Kultursay, Emre

2013-01-01T23:59:59.000Z

182

High Performance Thermal Interface Technology Overview  

E-Print Network [OSTI]

An overview on recent developments in thermal interfaces is given with a focus on a novel thermal interface technology that allows the formation of 2-3 times thinner bondlines with strongly improved thermal properties at lower assembly pressures. This is achieved using nested hierarchical surface channels to control the particle stacking with highly particle-filled materials. Reliability testing with thermal cycling has also demonstrated a decrease in thermal resistance after extended times with longer overall lifetime compared to a flat interface.

R. Linderman; T. Brunschwiler; B. Smith; B. Michel

2008-01-07T23:59:59.000Z

183

High Performance Thermal Interface Technology Overview  

E-Print Network [OSTI]

An overview on recent developments in thermal interfaces is given with a focus on a novel thermal interface technology that allows the formation of 2-3 times thinner bondlines with strongly improved thermal properties at lower assembly pressures. This is achieved using nested hierarchical surface channels to control the particle stacking with highly particle-filled materials. Reliability testing with thermal cycling has also demonstrated a decrease in thermal resistance after extended times with longer overall lifetime compared to a flat interface.

Linderman, R; Smith, B; Michel, B

2008-01-01T23:59:59.000Z

184

High performance ?Cf plasma desorption mass spectrometry  

E-Print Network [OSTI]

ABSTRACT . ACKNOWLEDGEMENT TABLE OF CONTENTS . tv LIST OF TABLES LIST OF FIGURES C~R I. INTRODUCTION tx xt A. A General Overview . 1. Particle-Induced Desorption 2. The Application of Cf PDMS in Analytical Chemistry 3. Time-of-Flight Mass... INTRODUCTION The method of 'Cf plasma desorption mass spectrometry (PDMS) is a mass spectrometric method pioneered in 1974 by Macfarlane and co-workers (1) at Texas A&M University. This method uses fission fragments (highly energetic atomic ions...

McIntire, Thomas Shane

1991-01-01T23:59:59.000Z

185

Webinar: ENERGY STAR Hot Water Systems for High Performance Homes  

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

Star Hot Water Systems for High Performance Homes Star Hot Water Systems for High Performance Homes 1 | Building America Program www.buildingamerica.gov Buildings Technologies Program Date: September 30, 2011 ENERGY STAR ® Hot Water Systems for High Performance Homes Welcome to the Webinar! We will start at 11:00 AM Eastern. There is no call in number. The audio will be sent through your computer speakers. All questions will be submitted via typing. Video of presenters Energy Star Hot Water Systems for High Performance Homes 2 | Building America Program www.buildingamerica.gov Energy Star Hot Water Systems for High Performance Homes 3 | Building America Program www.buildingamerica.gov Building America Program: Introduction Building Technologies Program Energy Star Hot Water Systems for High Performance Homes

186

High Performance Windows Volume Purchase: For Light Commercial Buyers  

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

For Light For Light Commercial Buyers to someone by E-mail Share High Performance Windows Volume Purchase: For Light Commercial Buyers on Facebook Tweet about High Performance Windows Volume Purchase: For Light Commercial Buyers on Twitter Bookmark High Performance Windows Volume Purchase: For Light Commercial Buyers on Google Bookmark High Performance Windows Volume Purchase: For Light Commercial Buyers on Delicious Rank High Performance Windows Volume Purchase: For Light Commercial Buyers on Digg Find More places to share High Performance Windows Volume Purchase: For Light Commercial Buyers on AddThis.com... Home About For Builders For Residential Buyers For Light Commercial Buyers For Manufacturers For Utilities Information Resources For Light Commercial Buyers Significant energy savings from low-E window technology are possible in the

187

High Performance Windows Volume Purchase: The Windows Volume Purchase RFP  

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

The Windows The Windows Volume Purchase RFP to someone by E-mail Share High Performance Windows Volume Purchase: The Windows Volume Purchase RFP on Facebook Tweet about High Performance Windows Volume Purchase: The Windows Volume Purchase RFP on Twitter Bookmark High Performance Windows Volume Purchase: The Windows Volume Purchase RFP on Google Bookmark High Performance Windows Volume Purchase: The Windows Volume Purchase RFP on Delicious Rank High Performance Windows Volume Purchase: The Windows Volume Purchase RFP on Digg Find More places to share High Performance Windows Volume Purchase: The Windows Volume Purchase RFP on AddThis.com... Home About FAQs Low-E Storm Windows Request for Proposal Contacts For Builders For Residential Buyers For Light Commercial Buyers For Manufacturers

188

High Performance Windows Volume Purchase: For Residential Buyers  

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

Residential Buyers to someone by E-mail Residential Buyers to someone by E-mail Share High Performance Windows Volume Purchase: For Residential Buyers on Facebook Tweet about High Performance Windows Volume Purchase: For Residential Buyers on Twitter Bookmark High Performance Windows Volume Purchase: For Residential Buyers on Google Bookmark High Performance Windows Volume Purchase: For Residential Buyers on Delicious Rank High Performance Windows Volume Purchase: For Residential Buyers on Digg Find More places to share High Performance Windows Volume Purchase: For Residential Buyers on AddThis.com... Home About For Builders For Residential Buyers For Light Commercial Buyers For Manufacturers For Utilities Information Resources For Residential Buyers Both home owners and buyers can take advantage of the energy savings from

189

High Performance Windows Volume Purchase: Presentations for Past Events and  

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

Presentations for Past Events and Webinars to someone by E-mail Share High Performance Windows Volume Purchase: Presentations for Past Events and Webinars on Facebook Tweet about High Performance Windows Volume Purchase: Presentations for Past Events and Webinars on Twitter Bookmark High Performance Windows Volume Purchase: Presentations for Past Events and Webinars on Google Bookmark High Performance Windows Volume Purchase: Presentations for Past Events and Webinars on Delicious Rank High Performance Windows Volume Purchase: Presentations for Past Events and Webinars on Digg Find More places to share High Performance Windows Volume Purchase: Presentations for Past Events and Webinars on AddThis.com... Home About For Builders For Residential Buyers For Light Commercial Buyers

190

High Performance Builder Spotlight: Green Coast Enterprises - New Orleans,  

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

High Performance Builder Spotlight: Green Coast Enterprises - New High Performance Builder Spotlight: Green Coast Enterprises - New Orleans, Louisiana High Performance Builder Spotlight: Green Coast Enterprises - New Orleans, Louisiana This four-page case study describes Green Coast Enterprises efforts to rebuild hurricane-ravaged New Orleans through Project Home Again. green_coast_enterprises.pdf More Documents & Publications High Performance Builder Spotlight: Green Coast Enterprises - New Orleans, Louisiana Rising Above the Water: New Orleans Implements Energy Efficiency and Sustainability Practices Following Hurricanes Katrina and Rita (Fact Sheet), Integrated Deployment: Disaster Recovery (ID) Rising Above the Water: New Orleans Implements Energy Efficiency and Sustainability Practices Following Hurricanes Katrina and Rita (Fact

191

Memory consistency models for high performance distributed computing  

E-Print Network [OSTI]

This thesis develops a mathematical framework for specifying the consistency guarantees of high performance distributed shared memory multiprocessors. This framework is based on computations, which specify the operations ...

Luchangco, Victor

2001-01-01T23:59:59.000Z

192

100 supercomputers later, Los Alamos high-performance computing...  

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

Issue:January 2015 All Issues submit 100 supercomputers later, Los Alamos high-performance computing still supports national security mission Los Alamos National Laboratory has...

193

64 _____________________________________Math & Computational Sciences Division High Performance Computing and Visualization  

E-Print Network [OSTI]

64 _____________________________________Math & Computational Sciences Division High Performance Computing and Visualization Research and Development in Visual Analysis Judith Devaney Terrence Griffin John

Perkins, Richard A.

194

Accelerating Predictive Simulation of IC Engines with High Performance...  

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

IC engines with high performance computing (ACE017) This presentation does not contain any proprietary, confidential, or otherwise restricted information K. Dean Edwards, C....

195

High-performance computer system installed at Los Alamos National...  

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

High-performance computer system installed at Los Alamos National Laboratory Alumni Link: Opportunities, News and Resources for Former Employees Latest Issue:January 2015 All...

196

Frontiers in Planetary and Stellar Magnetism through High-Performance...  

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

Hwang, project co-PI Frontiers in Planetary and Stellar Magnetism through High-Performance Computing PI Name: Jonathan Aurnou PI Email: aurnou@ucla.edu Institution: University...

197

Effect of memory access and caching on high performance computing.  

E-Print Network [OSTI]

??High-performance computing is often limited by memory access. As speeds increase, processors are often waiting on data transfers to and from memory. Classic memory controllers (more)

Groening, James

2012-01-01T23:59:59.000Z

198

Stretchable and High-Performance Supercapacitors with Crumpled Graphene Papers  

E-Print Network [OSTI]

Fabrication of unconventional energy storage devices with high stretchability and performance is challenging, but critical to practical operations of fully power-independent stretchable electronics. While supercapacitors ...

Zang, Jianfeng

199

High-Performance with Solar Electric Reduced Peak Demand: Premier...  

Energy Savers [EERE]

Rancho Cordoba, CA More Documents & Publications High-Performance Home Technologies: Solar Thermal & Photovoltaic Systems; Volume 6 Building America Best Practices Series Zero...

200

High-Performance Thermoelectric Devices Based on Abundant Silicide...  

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

Development of high-performance thermoelectric devices for vehicle waste heat recovery will include fundamental research to use abundant promising low-cost thermoelectric...

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


201

Guiding Principles for Federal Leadership in High-Performance...  

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

for Federal Leadership in High-Performance and Sustainable Buildings The Federal Energy Management Program (FEMP) provides guidance to help agencies comply with the Guiding...

202

SEE Action Series: High Performance Leasing Strategies for State...  

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

rating, and disclosure; retro- commissioning; high-performance leasing; strategic energy management programs * Model policy design guides: benchmarking, rating, and disclosure;...

203

Overcoming Processing Cost Barriers of High-Performance Lithium...  

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

Cost Barriers of High-Performance Lithium-Ion Battery Electrodes 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer...

204

Technology Transfer Webinar on November 12: High-Performance...  

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

Technology Transfer Webinar on November 12: High-Performance Hybrid SimulationMeasurement-Based Tools for Proactive Operator Decision-Support Technology Transfer Webinar on...

205

Durham County - High-Performance Building Policy | Department of Energy  

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

Durham County - High-Performance Building Policy Durham County - High-Performance Building Policy Durham County - High-Performance Building Policy < Back Eligibility Local Government Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Bioenergy Solar Lighting Windows, Doors, & Skylights Alternative Fuel Vehicles Hydrogen & Fuel Cells Heating Buying & Making Electricity Water Water Heating Wind Program Info State North Carolina Program Type Energy Standards for Public Buildings Provider Durham City and County Durham County adopted a resolution in October 2008 that requires new non-school public buildings and facilities to meet high-performance standards. New construction of public buildings and facilities greater than

206

Video performance for high security applications.  

SciTech Connect (OSTI)

The complexity of physical protection systems has increased to address modern threats to national security and emerging commercial technologies. A key element of modern physical protection systems is the data presented to the human operator used for rapid determination of the cause of an alarm, whether false (e.g., caused by an animal, debris, etc.) or real (e.g., a human adversary). Alarm assessment, the human validation of a sensor alarm, primarily relies on imaging technologies and video systems. Developing measures of effectiveness (MOE) that drive the design or evaluation of a video system or technology becomes a challenge, given the subjectivity of the application (e.g., alarm assessment). Sandia National Laboratories has conducted empirical analysis using field test data and mathematical models such as binomial distribution and Johnson target transfer functions to develop MOEs for video system technologies. Depending on the technology, the task of the security operator and the distance to the target, the Probability of Assessment (PAs) can be determined as a function of a variety of conditions or assumptions. PAs used as an MOE allows the systems engineer to conduct trade studies, make informed design decisions, or evaluate new higher-risk technologies. This paper outlines general video system design trade-offs, discusses ways video can be used to increase system performance and lists MOEs for video systems used in subjective applications such as alarm assessment.

Connell, Jack C.; Norman, Bradley C.

2010-06-01T23:59:59.000Z

207

Low Cost, High Performance, 50-year Electrode  

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

this ARPA-E project, Primus Power will develop an this ARPA-E project, Primus Power will develop an extremely durable, highly active, conductive, and inexpensive electrode for flow batteries. Flow batteries offer one of the most exciting opportunities for affordable grid storage, however electrodes are costly and are the single largest cost component in a well integrated design. Grid storage can yield numerous benefits in utility and customer- owned applications:  renewable firming  peak load reduction  load shifting  capital deferral  frequency regulation By incorporating volume production practices from the chlorine, filter media, and electroplating industries, Primus Power will effectively reduce electrode costs to exceed GRIDS cost targets while providing the durability essential for widespread grid-scale adoption.

208

A climatology of cold air outbreaks and their impact on air-sea heat fluxes in the high-latitude South Pacific  

Science Journals Connector (OSTI)

A climatology of cold air outbreaks (CAOs) in the high-latitudes of the South Pacific and an analysis of the dynamical mechanisms leading to their formation are presented. Two major and distinct regions with frequent CAOs from autumn to spring are ...

Lukas Papritz; Stephan Pfahl; Harald Sodemann; Heini Wernli

209

High Performance Interconnect System Design for Future Chip Multiprocessors  

E-Print Network [OSTI]

constraints of power and area, and provide ultra low latencies and high throughput. In this research, we explore different techniques to design high performance NOC. First, existing NOCs mostly use Dimension Order Routing (DOR) to determine the route taken...

Wang, Lei

2013-05-02T23:59:59.000Z

210

Memorandum of American High-Performance Buildings Coalition DOE Meeting  

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

Memorandum of American High-Performance Buildings Coalition DOE Memorandum of American High-Performance Buildings Coalition DOE Meeting August 19, 2013 Memorandum of American High-Performance Buildings Coalition DOE Meeting August 19, 2013 This memorandum is intended to provide a summary of a meeting between the American HighPerformance Buildings Coalition (AHBPC), a coalition of industry organizations committed to promoting performance-based energy efficiency and sustainable building standards developed through true, consensus-bases processes, and the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy (EERE) that took place on Monday, August 19, 2013. Memorandum of AHPBC DOE Meeting_8_19_2013_FINAL_SIGNED More Documents & Publications Federal Leadership in High Performance and Sustainable Buildings Memorandum

211

W(310) cold-field emission characteristics reflecting the vacuum states of an extreme high vacuum electron gun  

SciTech Connect (OSTI)

An extremely high vacuum cold-field electron emission (CFE) gun operating at pressures ranging from {approx}10{sup -8} Pa to {approx}10{sup -10} Pa was constructed. Only the CFE current emitting from W(310) surfaces revealed the existence of a 'stable region' with high current angular density just after tip flash heating. In the 'stable region,' the CFE current was damped very slowly. The presence of non-hydrogen gas eliminated this region from the plot. Improvement of the vacuum prolonged the 90% damping time of the CFE current from {approx}10 min to 800 min. The current angular density I{sup Prime} of CFE current was 60 and 250 {mu}A/sr in the 'stable region' for total CFE currents of 10 and 50 {mu}A, respectively. These results were about three times larger than I{sup Prime} when measured after the complete damping of the CFE current. The CFE gun generated bright scanning transmission electron microscopy images of a carbon nanotube at 30 kV.

Cho, Boklae; Shigeru, Kokubo [Hitachi High-Technologies Corporation 882, Ichige, Hitachinaka-shi, Ibaraki-ken 312-8504 (Japan); Oshima, Chuhei [Kagami Memorial Laboratory for Materials Science and Technology, Waseda University, 2-8-26 Nishi-Waseda, Shinjuku-ku, Tokyo 169-0072 (Japan)

2013-01-15T23:59:59.000Z

212

Building Technologies Office: Advanced Insulation for High Performance  

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

Advanced Insulation for Advanced Insulation for High Performance Cost-Effective Wall, Roof, and Foundation Systems Research Project to someone by E-mail Share Building Technologies Office: Advanced Insulation for High Performance Cost-Effective Wall, Roof, and Foundation Systems Research Project on Facebook Tweet about Building Technologies Office: Advanced Insulation for High Performance Cost-Effective Wall, Roof, and Foundation Systems Research Project on Twitter Bookmark Building Technologies Office: Advanced Insulation for High Performance Cost-Effective Wall, Roof, and Foundation Systems Research Project on Google Bookmark Building Technologies Office: Advanced Insulation for High Performance Cost-Effective Wall, Roof, and Foundation Systems Research Project on Delicious Rank Building Technologies Office: Advanced Insulation for High

213

Principles of energy efficiency in high performance computing  

Science Journals Connector (OSTI)

High Performance Computing (HPC) is a key technology for modern researchers enabling scientific advances through simulation where experiments are either technically impossible or financially not feasible to conduct and theory is not applicable. However, ... Keywords: HPC, PUE, energy efficiency, high performance computing, power usage effectiveness

Axel Auweter; Arndt Bode; Matthias Brehm; Herbert Huber; Dieter Kranzlmller

2011-08-01T23:59:59.000Z

214

High Energy Neutrinos from the Cold: Status and Prospects of the IceCube Experiment  

SciTech Connect (OSTI)

The primary motivation for building neutrino telescopes is to open the road for neutrino astronomy, and to offer another observational window for the study of cosmic ray origins. Other physics topics, such as the search for WIMPs, can also be developed with neutrino telescope. As of March 2008, the IceCube detector, with half of its strings deployed, is the world largest neutrino telescope taking data to date and it will reach its completion in 2011. Data taken with the growing detector are being analyzed. The results of some of these works are summarized here. AMANDA has been successfully integrated into IceCube data acquisition system and continues to accumulate data. Results obtained using only AMANDA data taken between the years 2000 and 2006 are also presented. The future of IceCube and the extensions in both low and high energy regions will finally be discussed in the last section.

IceCube Collaboration; Portello-Roucelle, Cecile; Collaboration, IceCube

2008-02-29T23:59:59.000Z

215

Howard County - High Performance and Green Building Property Tax Credits |  

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

Howard County - High Performance and Green Building Property Tax Howard County - High Performance and Green Building Property Tax Credits Howard County - High Performance and Green Building Property Tax Credits < Back Eligibility Commercial Multi-Family Residential Residential Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Bioenergy Solar Lighting Windows, Doors, & Skylights Heating Buying & Making Electricity Water Water Heating Wind Maximum Rebate High Performance Buildings: none specified High Performance R-2, R-3 Buildings: $5,000 per building or owner-occupied unit Green Buildings (w/energy conservation devices): limited to assessed property taxes on the structure Program Info Start Date 07/01/2008 State Maryland

216

Halide and Oxy-Halide Eutectic Systems for High Performance High...  

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

High Performance High Temperature Heat Transfer Fluids Award Number: DE-FOA-0005942 Report Date: 15 January 2013 PI: Peiwen (Perry) Li * Numerical simulation and combined DSCTGA...

217

Fundamental properties of monolithic bentonite buffer material formed by cold isostatic pressing for high-level radioactive waste repository  

SciTech Connect (OSTI)

The methods of fabrication, handling, and emplacement of engineered barriers used in a deep geological repository for high level radioactive waste should be planned as simply as possible from the engineering and economic viewpoints. Therefore, a new concept of a monolithic buffer material around a waste package have been proposed instead of the conventional concept with the use of small blocks, which would decrease the cost for buffer material. The monolithic buffer material is composed of two parts of highly compacted bentonite, a cup type body and a cover. As the forming method of the monolithic buffer material, compaction by the cold isostatic pressing process (CIP) has been employed. In this study, monolithic bentonite bodies with the diameter of about 333 mm and the height of about 455 mm (corresponding to the approx. 1/5 scale for the Japanese reference concept) were made by the CIP of bentonite powder. The dry densities: {rho}d of the bodies as a whole were measured and the small samples were cut from several locations to investigate the density distribution. The swelling pressure and hydraulic conductivity as function of the monolithic body density for CIP-formed specimens were also measured. High density ({rho}d: 1.4--2.0 Mg/m{sup 3}) and homogeneous monolithic bodies were formed by the CIP. The measured results of the swelling pressure (3--15 MPa) and hydraulic conductivity (0.5--1.4 x 10{sup {minus}13} m/s) of the specimens were almost the same as those for the uniaxial compacted bentonite in the literature. It is shown that the vacuum hoist system is an applicable handling method for emplacement of the monolithic bentonite.

Kawakami, S.; Yamanaka, Y.; Kato, K.; Asano, H.; Ueda, H.

1999-07-01T23:59:59.000Z

218

Flexible composition and execution of high performance, high fidelity multiscale biomedical simulations  

Science Journals Connector (OSTI)

...execution time. multiscale modelling|blood flow|high performance computing|in-stent restenosis|cerebrovascular bloodflow...brain blood flow. In 2011 Int. Conf. for High Performance Computing, Networking, Storage and Analysis (SC...

2013-01-01T23:59:59.000Z

219

Cold flow scaleup facility experimental results and comparison of performance at different bed configurations, Volume 1: Topical report, January--December 1983  

SciTech Connect (OSTI)

KRW Energy Systems Inc. is engaged in the continuing development of a pressurized, fluidized-bed gasification process at its Waltz Mill Site in Madison, Pennsylvania. The overall objective of the program is to demonstrate the viability of the KRW process for the environmentally acceptable production of low- and medium-BTU fuel gas from a variety of fossilized carbonaceous feedstocks for electric power generation, synthetic natural gas, chemical feedstocks and industrial fuels. This report presents analysis of the Cold Flow Scaleup Facility (CFSF) operations. Included is work performed on the 3-meter CFSF model using four different bed configurations to check correlations and scale-up criteria developed from studies conducted in small-scale cold flow units and those available in open literature. The 3-meter model permits full front-face viewing of the fluidized bed through a transparent plastic window and with its instrumentation allows detailed studies of jet behavior, bubble dynamics, solid circulation, gas mixing, and related phenomena important to the design of a large-scale gasifier. 87 refs., 95 figs., 56 tabs.

Schmidt, D.K.; Yang, W.C.; Ettehadieh, B.; Anestis, T.C.; Haldipur, G.B.; Kettering, E.; O'Rourke, R.E.; Weigle, D.

1988-12-01T23:59:59.000Z

220

Guiding Principles for Federal Leadership in High-Performance and  

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

Guiding Principles for Federal Leadership in High-Performance and Guiding Principles for Federal Leadership in High-Performance and Sustainable Buildings Guiding Principles for Federal Leadership in High-Performance and Sustainable Buildings October 4, 2013 - 4:49pm Addthis The Federal Energy Management Program (FEMP) provides guidance and assistance for compliance with the guiding principles established by the 2006 Federal Leadership in High-Performance and Sustainable Buildings Memorandum of Understanding (MOU), which became mandatory through Executive Order (E.O.) 13423 and reinforced in E.O. 13514. The common set of guiding principles include those for: Integrated design Energy performance Water conservation Materials to help: Reduce the total ownership cost of facilities Improve energy efficiency and water conservation

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


221

High Performance Commercial Buildings Technology Roadmap | Open Energy  

Open Energy Info (EERE)

Page Page Edit with form History Facebook icon Twitter icon » High Performance Commercial Buildings Technology Roadmap Jump to: navigation, search Tool Summary Name: High Performance Commercial Buildings Technology Roadmap Agency/Company /Organization: National Renewable Energy Laboratory Sector: Energy Focus Area: Energy Efficiency, Buildings Topics: Technology characterizations Resource Type: Dataset Website: www.nrel.gov/docs/fy01osti/30171.pdf References: High Performance Commercial Buildings Technology Roadmap[1] Overview "This technology roadmap describes the vision and strategies for addressing these challenges developed by representatives of the buildings industry. Collaborative research, development, and deployment of new technologies, coupled with an integrated "whole-buildings" approach, can shape future

222

Rebuilding It Better: Greensburg, Kansas, High Performance Buildings  

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

Greensburg, Kansas, High Performance Greensburg, Kansas, High Performance Buildings Meeting Energy Savings Goals (Brochure) (Revised), Energy Efficiency & Renewable Energy (EERE) Rebuilding It Better: Greensburg, Kansas, High Performance Buildings Meeting Energy Savings Goals (Brochure) (Revised), Energy Efficiency & Renewable Energy (EERE) This fact sheet provides a summary of how NREL's technical assistance in Greensburg, Kansas, helped the town rebuild green after recovering from a tornado in May 2007. 53539.pdf More Documents & Publications From Tragedy to Triumph: Rebuilding Greensburg, Kansas To Be a 100% Renewable Energy City: Preprint Rebuilding It Better; BTI-Greensburg, John Deere Dealership (Brochure) (Revised) Rebuilding Greensburg, Kansas, as a Model Green Community: A Case Study;

223

High-Performance Building Requirements for State Buildings | Department of  

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

You are here You are here Home » High-Performance Building Requirements for State Buildings High-Performance Building Requirements for State Buildings < Back Eligibility State Government Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Bioenergy Manufacturing Buying & Making Electricity Solar Lighting Windows, Doors, & Skylights Heating Water Water Heating Wind Program Info State South Dakota Program Type Energy Standards for Public Buildings Provider Office of the State Engineer In March 2008, South Dakota enacted legislation mandating the use of high-performance building standards in new state construction and renovations. This policy requires that new and renovated state buildings

224

Energy Performance and Comfort Level in High Rise and Highly Glazed Office Buildings  

E-Print Network [OSTI]

Thermal and visual comfort in buildings play a significant role on occupants' performance but on the other hand achieving energy savings and high comfort levels can be a quite difficult task especially in high rise buildings with highly glazed...

Bayraktar, M.; Perino, M.; Yilmaz, A. Z.

2010-01-01T23:59:59.000Z

225

High Impact Performance Incentive Grant (Florida) | Department of Energy  

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

Impact Performance Incentive Grant (Florida) Impact Performance Incentive Grant (Florida) High Impact Performance Incentive Grant (Florida) < Back Eligibility Commercial Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Florida Program Type Grant Program Provider Enterprise Florida The High Impact Performance Incentive Grant (HIPI) is a negotiated grant used to attract and grow major high impact facilities in Florida. Grants are provided to pre-approved applicants in certain high-impact sectors such as clean energy. Projects must create at least 50 new full-time jobs in a three-year period, and make a cumulative investment in the state of at least $50 million in a three year period. The business can be granted 50%

226

High Performance Green Schools Planning Grants | Department of Energy  

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

High Performance Green Schools Planning Grants High Performance Green Schools Planning Grants High Performance Green Schools Planning Grants < Back Eligibility Schools Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Bioenergy Solar Lighting Windows, Doors, & Skylights Heating Buying & Making Electricity Water Water Heating Wind Program Info State Pennsylvania Program Type State Grant Program Rebate Amount Determined on a case-by-case basis Provider Governor's Green Government Council The Governor's Green Government Council of Pennsylvania provides an incentive for new schools to be built according to green building standards. High Performance Green Schools Planning Grants are designed to cover a portion of the "soft" costs of designing a green building that are

227

High Performance Building Standards in State Buildings | Department of  

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

High Performance Building Standards in State Buildings High Performance Building Standards in State Buildings High Performance Building Standards in State Buildings < Back Eligibility State Government Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Bioenergy Manufacturing Buying & Making Electricity Solar Lighting Windows, Doors, & Skylights Heating Water Water Heating Wind Program Info State Oklahoma Program Type Energy Standards for Public Buildings Provider Oklahoma Department of Central Services In June 2008, the governor of Oklahoma signed [http://webserver1.lsb.state.ok.us/2007-08bills/HB/hb3394_enr.rtf HB 3394] requiring the state to develop a high-performance building certification program for state construction and renovation projects. The standard, which

228

Metallization by plating for high-performance multichip modules  

Science Journals Connector (OSTI)

Electrolytic plating is used to produce the interconnect wiring on the current generation of high-performance multichip modules used in IBM S/390 and AS/400 servers. This paper reviews the material and manufacturing ...

K. K. H. Wong; S. Kaja; P. W. DeHaven

1998-09-01T23:59:59.000Z

229

Accelerating Predictive Simulation of IC Engines with High Performance...  

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

IC engines with high performance computing (ACE017) K. Dean Edwards (PI), C. Stuart Daw, Wael R. Elwasif, Charles E. A. Finney, Sreekanth Pannala, Miroslav K. Stoyanov, Robert M....

230

Energy Star Helps Manufacturers To Achieve High Energy Performance  

E-Print Network [OSTI]

From personal electronic devices to homes and office buildings, ENERGY STAR is a recognized symbol of high quality energy performance which enables consumers, home buyers, and businesses to make informed energy decisions. Now, the U...

Dutrow, E.; Hicks, T.

231

Design of wind turbines with Ultra-High Performance Concrete  

E-Print Network [OSTI]

Ultra-High Performance Concrete (UHPC) has proven an asset for bridge design as it significantly reduces costs. However, UHPC has not been applied yet to wind turbine technology. Design codes do not propose any recommendations ...

Jammes, Franois-Xavier

2009-01-01T23:59:59.000Z

232

High Performance Leasing Strategies for State and Local Governments  

Broader source: Energy.gov [DOE]

Presentation for the SEE Action Series: High Performance Leasing Strategies for State and Local Governments webinar, presented on January 26, 2013 as part of the U.S. Department of Energy's Technical Assistance Program (TAP).

233

Circuits for high-performance low-power VLSI logic  

E-Print Network [OSTI]

The demands of future computing, as well as the challenges of nanometer-era VLSI design, require new digital logic techniques and styles that are simultaneously high performance, energy efficient, and robust to noise and ...

Ma, Albert

2006-01-01T23:59:59.000Z

234

High Performance Building Standards in New State Construction  

Broader source: Energy.gov [DOE]

In January 2008, New Jersey enacted legislation mandating the use of high performance green building standards in new state construction. The standard requires that new buildings larger than 15...

235

Load-balancing in high performance GIS: Declustering polygonal maps  

Science Journals Connector (OSTI)

A high performance geographic information system (GIS) is a central component of many real ... -time applications of spatial decision making. The GIS may contain gigabytes of geometric and feature ... via range q...

Shashi Shekhar; Sivakumar Ravada; Vipin Kumar

1995-01-01T23:59:59.000Z

236

High Performance Computing in Electrical Energy Systems Applications  

Science Journals Connector (OSTI)

This chapter presents a review of the main application areas of high performance computing in electrical energy systems and introduces some results obtained with ... obtained with tests conducted using actual mod...

Djalma M. Falcao; Carmen L. T. Borges

2013-01-01T23:59:59.000Z

237

Lithium Source For High Performance Li-ion Cells | Department...  

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

Li-ion Cells Lithium Source For High Performance Li-ion Cells 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer...

238

High performance computing of compressor rotating stall and stall control  

Science Journals Connector (OSTI)

The performance of gas turbine engines is limited by compressor stall. Stall control technologies developed recently have demonstrated the effectiveness of steady tip injection to increase the stable operating range of high-speed axial and centrifugal ...

Jen-Ping Chen; Robert S. Webster; Michael D. Hathaway; Gregory P. Herrick; Gary J. Skoch

2009-01-01T23:59:59.000Z

239

HPGMG 1.0: A Benchmark for Ranking High Performance Computing Systems  

E-Print Network [OSTI]

for Ranking High Performance Computing Systems Mark F. Adamsmetric for ranking high performance computing systems. HPLmetric for ranking high performance computing systems. When

Adams, Mark

2014-01-01T23:59:59.000Z

240

Coordinated resource management for guaranteed high performance and efficient utilization in Lambda-Grids  

E-Print Network [OSTI]

Journal of High Performance Computing Applications, AugustConference on High Performance Computing and Communication (Conference on High Performance Computing and Networking (SC

Taesombut, Nut

2007-01-01T23:59:59.000Z

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


241

On the user-scheduler relationship in high-performance computing  

E-Print Network [OSTI]

1.1. High-Performance Computing . . . . . . . . 1.2. ProblemJournal of High Performance Computing Applications, 19(4):IEEE Conference on High Performance Computing, Networking,

Lee, Cynthia Bailey

2009-01-01T23:59:59.000Z

242

NERSC 2011: High Performance Computing Facility Operational Assessment for the National Energy Research Scientific Computing Center  

E-Print Network [OSTI]

NERSC 2011 High Performance Computing Facility Operationalby providing high-performance computing, information, data,s deep knowledge of high performance computing to overcome

Antypas, Katie

2013-01-01T23:59:59.000Z

243

Techniques of High Performance Reservoir Simulation for Unconventional Challenges  

E-Print Network [OSTI]

48 offshore Alaska 2010 5 high performance computing, execution of compositional simulation in parallel seems to be the apparently feasible way to tackle its computational demand. Although running reservoir simulation in parallel sounds extremely... attractive, developing an efficient parallel reservoir simulator is far more challenging than developing the underlying serial reservoir simulator. For decades there have remained many open problems associated with high performance computing and reservoir...

Wang, Yuhe

2013-12-05T23:59:59.000Z

244

Wood-Fiber/High-Density-Polyethylene Composites: Coupling Agent Performance  

E-Print Network [OSTI]

Wood-Fiber/High-Density-Polyethylene Composites: Coupling Agent Performance John Z. Lu,1 Qinglin Wu structure. As a coupling agent, mal- eated polyethylene (MAPE) had a better performance in WPC than oxidized polyethylene (OPE) and pure polyeth- ylene (PPE) because of its stronger interfacial bonding. A combination

245

Optimal investment with high-watermark performance fee Karel Janecek  

E-Print Network [OSTI]

Optimal investment with high-watermark performance fee Karel Janecek and Mihai S^irbu January 5, 2011 Abstract We consider the problem of optimal investment and consumption when the investment oppor as a geometric Brownian motion and the performance of the investment and consumption strategy is measured using

Sîrbu, Mihai

246

A Memory Selection Algorithm for HighPerformance Pipelines  

E-Print Network [OSTI]

A Memory Selection Algorithm for High­Performance Pipelines Smita Bakshi Daniel D. Gajski Technical that the memory organization satisfy both the storage and the performance requirements of the design. In this report, we present an algorithm to select a memory organization, in addition to selecting a pipeline

California at Irvine, University of

247

Building Technologies Office: High Performance Windows Volume Purchase  

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

High Performance Windows Volume Purchase High Performance Windows Volume Purchase DOE's Building Technologies Office (BTO) is coordinating a volume purchase of high performance windows, and low-e storm windows, to expand the market of these high efficiency products. Price is the principal barrier to more widespread market commercialization. The aim of this volume purchase initiative is to work with industry and potential buyers to make highly insulated windows more affordable. Announcement EPA Most Efficient Program for window technology to launched in January 2013. Program Highlights Features Image of person signing document. Volume Purchase RFP Arrow Image of a question mark. Frequently Asked Questions Arrow Image of low-e storm window with two orange-yellow arrows hitting the window and reflecting back inside. Building Envelope and Windows R&D Program Blog Arrow

248

Cold moderators at ORNL  

SciTech Connect (OSTI)

The Advanced Neutron Source (ANS) cold moderators were not an 'Oak Ridge first', but would have been the largest both physically and in terms of cold neutron flux. Two cold moderators were planned each 410 mm in diameter and containing about 30L of liquid deuterium. They were to be completely independent of each other. A modular system design was used to provide greater reliability and serviceability. When the ANS was terminated, upgrading of the resident High Flux Isotope Reactor (HFIR) was examined and an initial study was made into the feasibility of adding a cold source. Because the ANS design was modular, it was possible to use many identical design features. Sub-cooled liquid at 4 bar abs was initially chosen for the HFIR design concept, but this was subsequently changed to 15 bar abs to operate above the critical pressure. As in the ANS, the hydrogen will operate at a constant pressure throughout the temperature range and a completely closed loop with secondary containment was adopted. The heat load of 2 kW made the heat flux comparable with that of the ANS. Subsequent studies into the construction of cryogenic moderators for the proposed new Synchrotron Neutron source indicated that again many of the same design concepts could be used. By connecting the two cold sources together in series, the total heat load of 2 kW is very close to that of the HFIR allowing a very similar supercritical hydrogen system to be configured. The two hydrogen moderators of the SNS provide a comparable heat load to the HFIR moderator. It is subsequently planned to connect the two in series and operate from a single cold loop system, once again using supercritical hydrogen. The spallation source also provided an opportunity to re-examine a cold pellet solid methane moderator operating at 20K.

Lucas, A. T.

1997-09-01T23:59:59.000Z

249

Evaluation of Diesel Engine Cold-Start Performance: Definition of a Grading System To Assess the Impact of Fuel  

Science Journals Connector (OSTI)

In general, the term biodiesel covers a variety of materials made from vegetable oils or animal fats. ... Thus, with optimized settings (Figure 7), it is possible to obtain the same performance for conventional diesels and blends with biodiesel. ... Krfer, T.; Lamping, M.; Rohs, H.; Adolph, D.; Pischinger, S.; Wix, K.The future power density of HSDI diesel engines with lowest engine out emissionsA key element for upcoming CO2 demands. ...

L. Starck; H. Perrin; B. Walter; N. Jeuland

2011-09-22T23:59:59.000Z

250

High Performance Building Façade Solutions  

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

High Performance Building Façade Solutions High Performance Building Façade Solutions High Performance Building Façade Solutions Buildings Technology Department, Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory Glazing and façade systems have very large impacts on all aspects of commercial building performance. They directly influence peak heating and cooling loads, and indirectly influence lighting loads when daylighting is considered. In addition to being a major determinant of annual energy use, they can have significant impacts on peak cooling system sizing, electric load shape, and peak electric demand. Because they are prominent architectural and design elements and because they influence occupant preference, satisfaction and comfort, the design optimization challenge is

251

Home Performance with Energy Star High Efficiency Measure Incentive (HEMI)  

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

Home Performance with Energy Star High Efficiency Measure Incentive Home Performance with Energy Star High Efficiency Measure Incentive (HEMI) Home Performance with Energy Star High Efficiency Measure Incentive (HEMI) < Back Eligibility Residential Savings Category Heating & Cooling Commercial Heating & Cooling Heating Home Weatherization Commercial Weatherization Cooling Appliances & Electronics Sealing Your Home Ventilation Manufacturing Commercial Lighting Lighting Water Heating Maximum Rebate $3,000 Program Info State New York Program Type State Rebate Program Rebate Amount 10% of project costs Provider New York State Energy Research and Development Authority The New York State Research and Development Authority (NYSERDA) offers an incentive for homeowners of 1-4 homes that participate in the Home Performance with Energy Star program. The program entitles the participant

252

Building America's Top Innovations Advance High Performance Homes |  

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

America's Top America's Top Innovations Advance High Performance Homes Building America's Top Innovations Advance High Performance Homes Building America Top Innovations. Recognizing top innovations in building science. Innovations sponsored by the U.S. Department of Energy's (DOE) Building America program and its teams of building science experts continue to have a transforming impact, leading our nation's home building industry to high-performance homes. Building America researchers have worked directly with more than 300 U.S. production home builders and have boosted the performance of more than 42,000 new homes. Learn more about Building America Top Innovations. 2013 Top Innovations New Top Innovations are awarded annually for outstanding Building America research achievements. Learn more about the 2013 Top Innovations recently

253

Simulation and High-Performance Computing | Department of Energy  

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

Simulation and High-Performance Computing Simulation and High-Performance Computing Simulation and High-Performance Computing October 29, 2010 - 12:22pm Addthis Former Under Secretary Koonin Former Under Secretary Koonin Director - NYU's Center for Urban Science & Progress and Former Under Secretary for Science What are the key facts? The Chinese's Tianhe-1A machine is now the world's most powerful computer, 40% faster than the fastest American machine located at Oak Ridge National Laboratory. Of the top 500 supercomputers in the world, more than half are in the U.S., and 90% were built by U.S. hardware vendors. We are developing the next generation of supercomputers over the next decade, which will be capable of exaflop-class performance (a factor of 1000 more powerful than today's most powerful computers).

254

Cold-Start Performance and Emissions Behavior of Alcohol Fuels in an SIDI Engine Using Transient Hardware-In-Loop Test Meth  

Broader source: Energy.gov [DOE]

Discusses results of cold- and hot-start transient tests using gasoline and 3 alcohol-gasoline blends (50% and 85% ethanol, and 83% iso-butanol)

255

Load Balancing using High Performance Computing Cluster Programming  

E-Print Network [OSTI]

High-performance computing has created a new approach to science. Modeling is now a viable and respected alternative to the more traditional experiential and theoretical approaches. High performance is a key issue in data mining or in image rendering. Traditional high performance clusters have proved their worth in a variety of uses from predicting the weather to industrial design, from molecular dynamics to astronomical modeling. A multicomputer configuration, or cluster, is a group of computers that work together. A cluster has three basic elementsa collection of individual computers, a network connecting those computers, and software that enables a computer to share work among the other computers via the network. Clusters are also playing a greater role in business. Advances in clustering technology have led to high-availability

unknown authors

256

A case study of industrial building energy performance in a cold climate region in a developing country  

E-Print Network [OSTI]

countries such as China have excessively high energy consumption, and the portion used by HVAC systems headings: Industrial facilities; Energy consumption; Air leakage; Condensation; Insulation; Temperature primary energy in China every year since 2006 (Xu, 2013; Wang et al., 2010). About50-55% of the energy

Chen, Qingyan "Yan"

257

High-speed 850 and 980 nm VCSELs for High-Performance Computing Applications  

Science Journals Connector (OSTI)

The ever growing demand for more bandwidth in high-performance computing (HPC) applications leads to a continuous replacement of traditional copper-based links by optical interconnects...

Mutig, Alex; Moser, Philip; Lott, James A; Wolf, Philip; Hofmann, Werner; Ledentsov, Nikolay N; Bimberg, Dieter

258

Text-Alternative Version of TAP Webinar: High Performance Outdoor...  

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

and light trespass, and it functions well in cold temperatures, not affected by vibration. I've invited one of our colleagues from the labs to join us on the call in the...

259

High Performance Building Facade Solutions: PIER Final Project Report  

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

High Performance Building Facade Solutions: PIER Final Project Report High Performance Building Facade Solutions: PIER Final Project Report Title High Performance Building Facade Solutions: PIER Final Project Report Publication Type Report LBNL Report Number LBNL-4583E Year of Publication 2009 Authors Lee, Eleanor S., Stephen E. Selkowitz, Dennis L. DiBartolomeo, Joseph H. Klems, Robert D. Clear, Kyle Konis, Robert J. Hitchcock, Mehry Yazdanian, Robin Mitchell, and Maria Konstantoglou Date Published 12/2009 Abstract Building façades directly influence heating and cooling loads and indirectly influence lighting loads when daylighting is considered, and are therefore a major determinant of annual energy use and peak electric demand. façades also significantly influence occupant comfort and satisfaction, making the design optimization challenge more complex than many other building systems.

260

High Performance Incentive Program (Kansas) | Department of Energy  

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

You are here You are here Home » High Performance Incentive Program (Kansas) High Performance Incentive Program (Kansas) < Back Eligibility Agricultural Commercial Construction Developer Fuel Distributor Industrial Installer/Contractor Utility Savings Category Alternative Fuel Vehicles Hydrogen & Fuel Cells Buying & Making Electricity Water Home Weatherization Solar Wind Program Info State Kansas Program Type Corporate Tax Incentive Provider Commerce High Performance Incentive Program provides tax incentives to eligible employers that pay above-average wages and have a strong commitment to skills development for their workers. A substantial investment tax credit for new capital investment in Kansas and a related sales tax exemption are the primary benefits of this program. HPIP offers employers four potential

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


261

Publications on High-Performance Schools | Department of Energy  

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

Schools Schools Publications on High-Performance Schools Learn about building high-performance schools that incorporate energy efficiency and renewable energy in publications from the U.S. Department of Energy (DOE) and the National Renewable Energy Laboratory (NREL). Building Energy-Efficient Schools in New Orleans: Lessons Learned This case study presents the lessons learned from incorporating energy efficiency in the rebuilding and renovating of New Orleans K-12 schools after Hurricanes Katrina and Rita. Building Energy-Efficient Schools in New Orleans: Lessons Learned Summary This summary presents the lessons learned at five schools in New Orleans that were rebuilt using energy efficiency and renewable energy technologies after Hurricanes Katrina and Rita. Energy Design Guidelines for High Performance Schools: Hot and Humid

262

Publications on High-Performance Homes | Department of Energy  

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

Homes Homes Publications on High-Performance Homes Find publications from the U.S. Department of Energy (DOE) and the National Renewable Energy Laboratory (NREL) on incorporating energy efficiency and renewable energy into homes. Builders Challenge High Performance Builder Spotlight: Green Coast Enterprises, New Orleans, Louisiana (2-pager) This 2-page fact sheet highlights New Orleans homebuilder Green Coast Enterprises' and the Project Home Again community-scale residential building project. Builders Challenge High Performance Builder Spotlight: Green Coast Enterprises, New Orleans, Louisiana (4-pager) This four-page case study describes Green Coast Enterprises efforts to rebuild hurricane-ravaged New Orleans through Project Home Again. Builders Challenge Technology Information Packages - Hot-Humid Climate: New

263

'Catch and Suppress' Control of Instabilities in High Performance  

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

'Catch and Suppress' Control of Instabilities in High Performance 'Catch and Suppress' Control of Instabilities in High Performance Fusion Plasmas Fusion Energy Sciences (FES) FES Home About Research Facilities Science Highlights Benefits of FES Funding Opportunities Fusion Energy Sciences Advisory Committee (FESAC) News & Resources Contact Information Fusion Energy Sciences U.S. Department of Energy SC-24/Germantown Building 1000 Independence Ave., SW Washington, DC 20585 P: (301) 903-4941 F: (301) 903-8584 E: sc.fes@science.doe.gov More Information » October 2012 'Catch and Suppress' Control of Instabilities in High Performance Fusion Plasmas Real time steering of microwave beams is used to suppress deleterious modes on DIII-D. Print Text Size: A A A Subscribe FeedbackShare Page Click to enlarge photo. Enlarge Photo Image courtesy of General Atomics

264

Anne Arundel County - High Performance Dwelling Property Tax Credit |  

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

Anne Arundel County - High Performance Dwelling Property Tax Credit Anne Arundel County - High Performance Dwelling Property Tax Credit Anne Arundel County - High Performance Dwelling Property Tax Credit < Back Eligibility Residential Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Bioenergy Solar Lighting Windows, Doors, & Skylights Heating Buying & Making Electricity Water Water Heating Wind Maximum Rebate LEED or NGBS Silver: $1,000 LEED or NGBS Gold: $2,000 LEED Platinum or NGBS Emerald: $3,000 Program Info Start Date 07/01/2010 State Maryland Program Type Property Tax Incentive Rebate Amount LEED or NGBS Silver: 40% of property taxes for 5 years LEED or NGBS Gold: 60% of real property taxes for 5 years LEED Platinum or NGBS Emerald: 80% of real property taxes for 5 years

265

SIMS analysis of high-performance accelerator niobium  

SciTech Connect (OSTI)

Niobium is used to fabricate superconducting radio frequency accelerator modules because of its high critical temperature, high critical magnetic field, and easy formability. Recent experiments have shown a very significant improvement in performance (over 100%) after a high-temperature bake at 1400 degrees C for 3h. SIMS analysis of this material showed the oxygen profile was significantly deeper than the native oxide with a shape that is indicative of diffusion. Positive secondary ion mass spectra showed the presence of Ti with a depth profile similar to that of O. It is suspected that Ti is associated with the performance improvement. The source of Ti contamination in the anneal furnace has been identified, and a new furnace was constructed without Ti. Initial results from the new furnace do not show the yield improvement. Further analyses should determine the relationship of Ti to cavity performance.

Maheshwari, P. [NCSU; Stevie, F. A. [NCSU; Myneni, Ganapati Rao [JLAB; Rigsbee, J, M. [NCSU; Dhakal, Pashupati [JLAB; Ciovati, Gianluigi [JLAB; Griffis, D. P. [NCSU

2014-11-01T23:59:59.000Z

266

High voltage stability performance of a gamma ray detection device  

SciTech Connect (OSTI)

An industrial grade digital radiation survey meter device is currently being developed at Malaysian Nuclear Agency. This device used a cylindrical type Geiger Mueller (GM) which acts as a detector. GM detector operates at relatively high direct current voltages depend on the type of GM tube. This thin/thick walled cylindrical type of GM tube operates at 450-650 volts range. Proper value and stability performance of high voltage are important parameters to ensure that this device give a reliable radiation dose measurement. This paper will present an assessment of the stability and performance of the high voltage supply for radiation detector. The assessment is performed using System Identification tools box in MATLAB and mathematical statistics.

Abdullah, Nor Arymaswati; Lombigit, Lojius; Rahman, Nur Aira Abd [Technical Support Division, Malaysian Nuclear Agency, 43000 Kajang, Selangor (Malaysia)

2014-02-12T23:59:59.000Z

267

Argonne TTRDC - Feature - High-Performance Computing Enables Huge Leap  

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

High-Performance Computing Enables Huge Leap Forward in Engine Development High-Performance Computing Enables Huge Leap Forward in Engine Development Engine Modeling and Simulation Team From left, Argonne researchers Raymond Bair, Doug Longman, Qingluan Xue, Marta Garcia, Shashi Aithal (seated) and Sibendu Som are part of a multidisciplinary team working to advance diesel and spark engine modeling and simulation tools into the high-performance computing realm. When we turn the key in our car's ignition, we usually don't think about the combustion process that takes place inside the engine that enables the car to go. We just know that it works. But, what actually takes place inside the engine? How do fuel injectors, turbulent mixing and combustion chemistry impact the fuel efficiency of a vehicle? And how do engine manufacturers improve these hidden-from-view

268

Friday, May 21, 2010 High-Performance Electronics without the High Price  

E-Print Network [OSTI]

materials. Researchers have used the method to make high-performance image sensors, transistors, and solar exotic semiconductors brings down the cost of high- performance solar cells and microchips. By Katherine Bourzac Compared to silicon, semiconductors like gallium arsenide can be made into solar cells

Rogers, John A.

269

Parallel performance of two applications in the Boeing high performance computing benchmark suite  

Science Journals Connector (OSTI)

We describe our work to evaluate the performance of the parallel versions of two floating-point-intensive engineering applications from Boeing's high performance computing benchmark suite (BHPCBS) on emerging RISC parallel systems and PC clusters. The first application is a computational fluid dynamics (CFD) code, OVERFLOW, developed by NASA and used by Boeing for analysis and design of advanced aircraft. The second application is a prototype of a computational electromagnetics (CEM) code, developed by Boeing and used for radar cross-section studies. The distributed memory parallel versions of both applications use the message passing interface (MPI) standard for message passing. The goal of our work was to determine whether RISC parallel systems and PC clusters, which offer high performance at low cost, may be able to meet Boeing's computing requirements in the future. We describe the test environments for the studies, discuss parallelization issues and strategies and present performance data for the two applications.

Joseph W. Manke; G. David Kerlick; David Levine; Subhankar Banerjee; Eric Dillon

2001-01-01T23:59:59.000Z

270

Key Elements of and Materials Performance Targets for Highly Insulating  

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

Key Elements of and Materials Performance Targets for Highly Insulating Key Elements of and Materials Performance Targets for Highly Insulating Window Frames Title Key Elements of and Materials Performance Targets for Highly Insulating Window Frames Publication Type Journal Article LBNL Report Number LBNL-5099E Year of Publication 2011 Authors Gustavsen, Arlid, Steinar Grynning, Dariush K. Arasteh, Bjørn Petter Jelle, and Howdy Goudey Journal Energy and Buildings Volume 43 Issue 10 Pagination 2583-2594 Date Published 10/2011 Keywords Fenestration, heat transfer modeling, thermal performance, thermal transmittance, u-factor, window frames Abstract The thermal performance of windows is important for energy efficient buildings. Windows typically account for about 30-50 percent of the transmission losses though the building envelope, even if their area fraction of the envelope is far less. The reason for this can be found by comparing the thermal transmittance (U-factor) of windows to the U-factor of their opaque counterparts (wall, roof and floor constructions). In well insulated buildings the U-factor of walls, roofs an floors can be between 0.1-0.2 W/(m2K). The best windows have U-values of about 0.7-1.0. It is therefore obvious that the U-factor of windows needs to be reduced, even though looking at the whole energy balance for windows (i.e. solar gains minus transmission losses) makes the picture more complex.

271

Motor: A Virtual Machine for High Performance Computing Wojtek Goscinski and David Abramson  

E-Print Network [OSTI]

Motor: A Virtual Machine for High Performance Computing Wojtek Goscinski and David Abramson {wojtek environments do not provide the necessary high performance computing abstractions required by e- Scientists, whilst retaining strong message passing performance. 1. Introduction High performance computing (HPC

Abramson, David

272

High-performance computing-based exploration of flow control with micro devices  

Science Journals Connector (OSTI)

...Tucker and James DeBonis High-performance computing-based exploration of...perform. Leading-edge, high-performance computing infrastructures (HPCIs...Research (SPIRE) of the High Performance Computing Initiative in Japan...

2014-01-01T23:59:59.000Z

273

Converting A High Performance Application to an Elastic Cloud Application  

E-Print Network [OSTI]

Converting A High Performance Application to an Elastic Cloud Application Dinesh Rajan, Anthony in the cloud. We show that following these directives leads to an elastic implementation that has better implementation of replica exchange, a parallel tempering molecular dynamics application, to an elastic cloud

Thain, Douglas

274

System-Level Virtualization for High Performance Computing Geoffroy Vallee  

E-Print Network [OSTI]

System-Level Virtualization for High Performance Computing Geoffroy Vall´ee Oak Ridge National Laboratory Oak Ridge, TN 37830, USA valleegr@ornl.gov Thomas Naughton Oak Ridge National Laboratory Oak Ridge, TN 37830, USA naughtont@ornl.gov Christian Engelmann Oak Ridge National Laboratory Oak Ridge, TN

Engelmann, Christian

275

High Performance Commercial Building Systems William L. Carroll  

E-Print Network [OSTI]

Efficiency and Renewable Energy, Building Technologies Program of the U.S. Department of Energy underHigh Performance Commercial Building Systems William L. Carroll Ernest Orlando Lawrence Berkeley.2 ­ Retrofit Tools Task 2 HPBCS E2P2.2T3 LBNL - 57775 California Energy Commission Public Interest Energy

276

Honeywell's high-performance lubricants boost PVC extrusion  

Science Journals Connector (OSTI)

At the recent International PVC Conference, held in Brighton, UK, Honeywell Specialty Materials presented new test results demonstrating the advantages offered to polyvinyl chloride (PVC) producers by its newest high-performance lubricants (HPLs). According to the company, the products make the extrusion process more efficient, helping producers meet critical industry challenges.

2008-01-01T23:59:59.000Z

277

Biofuels' Time of Transition Achieving high performance in a world  

E-Print Network [OSTI]

Biofuels' Time of Transition Achieving high performance in a world of increasing fuel diversity #12;2 Table of contents #12;3 Introduction Up close: Highlights of Accenture's first biofuels study An evolving biofuels industry 1 Consumer influence Guest commentary on land-use change In focus: The food

Kammen, Daniel M.

278

"Exploring damage management of high performance metallic alloys in critical  

E-Print Network [OSTI]

. of Materials Science & Engineering University of Virginia Charlottesville, VA 434.982.5782 High Performance in aerospace, transportation infrastructure, military, power generation, and petrochemical technologies. Our promotes a variety of cracking modes in metals. The opportunity exists to implement advanced prognosis

Acton, Scott

279

Anatomy of High-Performance Many-Threaded Matrix Multiplication  

Science Journals Connector (OSTI)

BLIS is a new framework for rapid instantiation of the BLAS. We describe how BLIS extends the "GotoBLAS approach" to implementing matrix multiplication (GEMM). While GEMM was previously implemented as three loops around an inner kernel, BLIS exposes ... Keywords: linear algebra, libraries, high-performance, matrix, BLAS, multicore

Tyler M. Smith, Robert van de Geijn, Mikhail Smelyanskiy, Jeff R. Hammond, Field G. Van Zee

2014-05-01T23:59:59.000Z

280

HighPerformance Library Software for QR Factorization  

E-Print Network [OSTI]

factorization. Using recursion leads us to a natural way to choose the k­way aggregating Householder transform604e node. Keywords: Serial and parallel library software, QR factorization, recur­ sion, register utilize the memory hierarchy is the key to high performance on uniprocessors as well as on SMP systems

Elmroth, Erik

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


281

Health Care Reform Challenge: Creating a High Performance Healthcare System  

E-Print Network [OSTI]

Health Care Reform Challenge: Creating a High Performance Healthcare System Tom Simmer, MD Chief;The Challenge of Reform: Accountable Care Organizations (ACO) · ACO's are provider organizations health care delivery Organized Systems of Care Population focus for primary care physicians, hospitals

Finley Jr., Russell L.

282

Decoupling Interrelated Parameters for Designing High Performance Thermoelectric Materials  

Science Journals Connector (OSTI)

Decoupling Interrelated Parameters for Designing High Performance Thermoelectric Materials ... Solution Processed Cu2CoSnS4 Thin Films for Photovoltaic Applications ... Earth abundant alternative chalcopyrite Cu2CoSnS4 (CCTS) thin films were deposited by a facile solgel process onto larger substrates. ...

Chong Xiao; Zhou Li; Kun Li; Pengcheng Huang; Yi Xie

2014-02-11T23:59:59.000Z

283

High-performance spider webs: integrating biomechanics, ecology and behaviour  

Science Journals Connector (OSTI)

...articles 1004 25 High-performance spider webs: integrating biomechanics, ecology and...materials in both strength and toughness. Orb-web spider dragline silk is the focus of intense...silks is often removed from the context of web ecology and spider foraging behaviour...

2011-01-01T23:59:59.000Z

284

High performance computing activities in hadron spectroscopy at BESIII  

Science Journals Connector (OSTI)

BESIII experiment is operated in the ?-charm threshold energy region. It has collected the world's largest data samples of J/?, ?(3686), ?(3770) and ?(4040) decays. These data are being used to make a variety of interesting and unique studies of light hadron spectroscopy, precision charmonium physics and high-statistics measurements of D meson decays. As one of the experiments at the high luminosity frontier, data processing at BESIII is computationally very expensive for large data sets. In this presentation, we report two recent progresses in using high performance computing: a Tag-based preselection for data reduction and GPUPWA, a PWA framework harnessing the GPU parallel computing.

Beijiang Liu; Besiii collaboration

2014-01-01T23:59:59.000Z

285

High-Level Waste Corporate Board Performance Assessment Subcommittee  

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

Level Level Waste Corporate Board Performance Assessment Subcommittee John E. Marra, Ph.D. Associate Laboratory Director November 6, 2008 Richland, WA DOE-EM HLW Corporate Board Meeting Background - Performance Assessment Process Performance assessments are the fundamental risk assessment tool used by the DOE to evaluate and communicate the effectiveness and long-term impact of waste management and cleanup decisions. This includes demonstrations of compliance, NEPA analyses, and decisions about technologies and 2 analyses, and decisions about technologies and waste forms. Background - Process Perception EM-2 'Precepts' for Improved High-Level Waste Management (HLW Corporate Board Meeting - April 2008) Improved Performance Assessments (PA) The PA process is not consistently applied amongst the 3 The PA process is not consistently applied amongst the major HLW sites PA

286

Functionalized graphene aerogel composites for high-performance asymmetric supercapacitors  

Science Journals Connector (OSTI)

Abstract Asymmetric supercapacitors (ASCs) have played a leading role in realizing energy storage devices with high energy and power densities. While both anode and cathode materials are important for high performance ASCs, more research effort has been devoted to developing cathode materials because the energy source of an ASC is mostly attributed to the cathode. However, the development of anode materials is essential in order to achieve high power density as well as stable long-term cycle life of ASCs. In this study, functionalized graphene aerogel (GA) decorated with palladium (Pd) nanoparticles is used as an efficient ASC anode material. The high surface area (328m2g?1) and low electrical resistivity (50 times lower than one without Pd) of the GA composite grants a high specific capacitance (175.8Fg?1 at 5mVs?1), excllent rate capability (48.3% retention after a 10 fold increase of scan rate), and remarkable reversibility. \\{ASCs\\} assembled from manganese dioxide (cathode) and GA composite (anode) show stable extended cell voltage, fast chargedischarge capability, excellent cycle stability (89.6% retention after 3000 cycles), and high energy and power densities (average of 13.9Whkg?1 and 13.3kWkg?1). These results demonstrate the great potential of the GA composite as an efficient anode material for high performance energy storage devices.

Zenan Yu; Matthew McInnis; Jean Calderon; Sudipta Seal; Lei Zhai; Jayan Thomas

2014-01-01T23:59:59.000Z

287

Graph 500 Performance on a Distributed-Memory Cluster REU Site: Interdisciplinary Program in High Performance Computing  

E-Print Network [OSTI]

traditional performance benchmarks for high- performance computers measure the speed of arithmetic operations benchmark is intended to rank high-performance computers based on speed of memory retrieval-memory cluster tara in the UMBC High Performance Computing Facility (www.umbc.edu/hpcf). The cluster tara has 82

Gobbert, Matthias K.

288

MSIM 795/895:MSIM 795/895: HIGH PERFORMANCE COMPUTING AND SIMULATIONHIGH PERFORMANCE COMPUTING AND SIMULATION  

E-Print Network [OSTI]

MSIM 795/895:MSIM 795/895: HIGH PERFORMANCE COMPUTING AND SIMULATIONHIGH PERFORMANCE COMPUTING://eng.odu.edu/msve COURSE DESCRIPTION Introduction to modern high performance computing platforms including top their research area. Project presentations are required. COURSE TOPICS 1. Overview of high-performance computing

289

MSIM 715/815:MSIM 715/815: HIGH PERFORMANCE COMPUTING AND SIMULATIONHIGH PERFORMANCE COMPUTING AND SIMULATION  

E-Print Network [OSTI]

MSIM 715/815:MSIM 715/815: HIGH PERFORMANCE COMPUTING AND SIMULATIONHIGH PERFORMANCE COMPUTING://www.odu.edu/msve COURSE DESCRIPTION Introduction to modern high performance comput- ing platforms including top-data for their research problems. Project presentations and reports are required. COURSE TOPICS 1. Overview of high-performance

290

NREL: Awards and Honors - Smart, High-Performance Polyphenylenesulfide  

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

Smart, High-Performance Polyphenylenesulfide (PPS) Coating System Smart, High-Performance Polyphenylenesulfide (PPS) Coating System Developers: Dr. Keith Gawlik, National Renewable Energy Laboratory; Dr. Toshifumi Sugama, Brookhaven National Laboratory; Edward Curran, Bob Curran & Sons Corporation; Edward Hallahan, Ticona Corporation. The PPS coating system is a giant step forward in the technology of coating carbon-steel surfaces for use in hostile, corrosive environments. It is a smart coating system that repairs itself. It has a high thermal conductivity. It protects surfaces from corrosion, oxidation, cracking, flaking, and fouling. And its use not only extends the life of carbon-steel tubing by 4 to 5 fold, but also cuts capital and maintenance costs for these tubes by as much as two orders of magnitude. The key to these characteristics lies in the PPS coatings' unique

291

Multijunction Photovoltaic Technologies for High-Performance Concentrators: Preprint  

SciTech Connect (OSTI)

Multijunction solar cells provide high-performance technology pathways leading to potentially low-cost electricity generated from concentrated sunlight. The National Center for Photovoltaics at the National Renewable Energy Laboratory has funded different III-V multijunction solar cell technologies and various solar concentration approaches. Within this group of projects, III-V solar cell efficiencies of 41% are close at hand and will likely be reported in these conference proceedings. Companies with well-developed solar concentrator structures foresee installed system costs of $3/watt--half of today's costs--within the next 2 to 5 years as these high-efficiency photovoltaic technologies are incorporated into their concentrator photovoltaic systems. These technology improvements are timely as new large-scale multi-megawatt markets, appropriate for high performance PV concentrators, open around the world.

McConnell, R.; Symko-Davies, M.

2006-05-01T23:59:59.000Z

292

NWChem Delivering High-Performance Computational Chemistry to Science  

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

NWChem NWChem Delivering High-Performance Computational Chemistry to Science SCientifiC innovation tHrougH integration www.nwchem-sw.org www.emsl.pnl.gov NWChem  High-Performance Computational Chemistry EMSL  Environmental Molecular Sciences Laboratory 2 3 NWChem software » Biomolecules, nanostructures, and solid state » From quantum to classical, and all combinations » Gaussian functions or plane-waves » Scaling from one to thousands of processors » Properties and relativity » Open source NWChem Introduction NWChem is cutting-edge software that offers an extensive array of highly scalable, parallel computational chemistry methods needed to address a wide range of large, challenging scientific questions. As one of the U.S. Department of Energy's premier computational chemistry tools, NWChem is

293

June 8, 2007 Advanced Fault Tolerance Solutions for High Performance Computing  

E-Print Network [OSTI]

June 8, 2007 Advanced Fault Tolerance Solutions for High Performance Computing Workshop on Trends Tolerance Solutions for High Performance Computing Christian Engelmann Oak Ridge National Laboratory, Oak for High Performance Computing Workshop on Trends, Technologies and Collaborative Opportunities in High

Engelmann, Christian

294

High performance capacitors using nano-structure multilayer materials fabrication  

DOE Patents [OSTI]

A high performance capacitor is fabricated from nano-structure multilayer materials, such as by controlled, reactive sputtering, and having very high energy-density, high specific energy and high voltage breakdown. The multilayer capacitors, for example, may be fabricated in a ``notepad`` configuration composed of 200-300 alternating layers of conductive and dielectric materials so as to have a thickness of 1 mm, width of 200 mm, and length of 300 mm, with terminals at each end of the layers suitable for brazing, thereby guaranteeing low contact resistance and high durability. The notepad capacitors may be stacked in single or multiple rows (series-parallel banks) to increase the voltage and energy density. 5 figs.

Barbee, T.W. Jr.; Johnson, G.W.; O`Brien, D.W.

1995-05-09T23:59:59.000Z

295

High performance capacitors using nano-structure multilayer materials fabrication  

DOE Patents [OSTI]

A high performance capacitor fabricated from nano-structure multilayer materials, such as by controlled, reactive sputtering, and having very high energy-density, high specific energy and high voltage breakdown. The multilayer capacitors, for example, may be fabricated in a "notepad" configuration composed of 200-300 alternating layers of conductive and dielectric materials so as to have a thickness of 1 mm, width of 200 mm, and length of 300 mm, with terminals at each end of the layers suitable for brazing, thereby guaranteeing low contact resistance and high durability. The "notepad" capacitors may be stacked in single or multiple rows (series-parallel banks) to increase the voltage and energy density.

Barbee, Jr., Troy W. (Palo Alto, CA); Johnson, Gary W. (Livermore, CA); O'Brien, Dennis W. (Livermore, CA)

1995-01-01T23:59:59.000Z

296

High performance capacitors using nano-structure multilayer materials fabrication  

DOE Patents [OSTI]

A high performance capacitor is described which is fabricated from nano-structure multilayer materials, such as by controlled, reactive sputtering, and having very high energy-density, high specific energy and high voltage breakdown. The multilayer capacitors, for example, may be fabricated in a ``notepad`` configuration composed of 200--300 alternating layers of conductive and dielectric materials so as to have a thickness of 1 mm, width of 200 mm, and length of 300 mm, with terminals at each end of the layers suitable for brazing, thereby guaranteeing low contact resistance and high durability. The ``notepad`` capacitors may be stacked in single or multiple rows (series-parallel banks) to increase the voltage and energy density. 5 figs.

Barbee, T.W. Jr.; Johnson, G.W.; O`Brien, D.W.

1996-01-23T23:59:59.000Z

297

High performance capacitors using nano-structure multilayer materials fabrication  

DOE Patents [OSTI]

A high performance capacitor fabricated from nano-structure multilayer materials, such as by controlled, reactive sputtering, and having very high energy-density, high specific energy and high voltage breakdown. The multilayer capacitors, for example, may be fabricated in a "notepad" configuration composed of 200-300 alternating layers of conductive and dielectric materials so as to have a thickness of 1 mm, width of 200 mm, and length of 300 mm, with terminals at each end of the layers suitable for brazing, thereby guaranteeing low contact resistance and high durability. The "notepad" capacitors may be stacked in single or multiple rows (series-parallel banks) to increase the voltage and energy density.

Barbee, Jr., Troy W. (Palo Alto, CA); Johnson, Gary W. (Livermore, CA); O'Brien, Dennis W. (Livermore, CA)

1996-01-01T23:59:59.000Z

298

High-Performance Computing for Advanced Smart Grid Applications  

SciTech Connect (OSTI)

The power grid is becoming far more complex as a result of the grid evolution meeting an information revolution. Due to the penetration of smart grid technologies, the grid is evolving as an unprecedented speed and the information infrastructure is fundamentally improved with a large number of smart meters and sensors that produce several orders of magnitude larger amounts of data. How to pull data in, perform analysis, and put information out in a real-time manner is a fundamental challenge in smart grid operation and planning. The future power grid requires high performance computing to be one of the foundational technologies in developing the algorithms and tools for the significantly increased complexity. New techniques and computational capabilities are required to meet the demands for higher reliability and better asset utilization, including advanced algorithms and computing hardware for large-scale modeling, simulation, and analysis. This chapter summarizes the computational challenges in smart grid and the need for high performance computing, and present examples of how high performance computing might be used for future smart grid operation and planning.

Huang, Zhenyu; Chen, Yousu

2012-07-06T23:59:59.000Z

299

Development of high performance sodium/metal chloride cells  

SciTech Connect (OSTI)

Sodium/metal chloride (MCl{sub 2}) cells and batteries are being studied at Argonne National Laboratory (ANL) for stationary energy storage and transportation applications. The work is being directed toward (1) development of thin, high-capacity density electrodes and inexpensive {beta}{double prime}-alumina-glass composite electrolyte materials to replace {beta}{double prime}-alumina and (2) the development of models to project MCl{sub 2} system performances. In our NiCl{sub 2} electrode work, the effects of charge/discharge rates, temperature, electrode porosity, and sulfur content on electrode performance were determined using annular electrodes fabricated in the uncharged state. Of all electrode design parameters mentioned, electrode porosity, sulfur content, and charge rates have the greatest effect on utilization and on the area-specific impedance. The {beta}{double prime}-alumina-glass composite electrolyte work has led to the development of a highly conductive (3.3 {times} 10{sup {minus}2}S/cm at 250{degree}C) composite material. Preliminary modeling studies indicate that the performance of the MCl{sub 2} electrodes can be fitted by a mathematic model very successfully and that cell electrolyte configurations of either multiple tubes joined at a header or compartmented flat structures of either {beta}{double prime}-alumina or of the composite material would result in high-performance batteries with power-to-energy ratios of about 5. 15 refs., 8 figs., 4 tabs.

Vissers, D.R.; Bloom, I.D.; Hash, M.C.; Redey, L.; Hammer, C.L.; Dees, D.W.; Nelson, P.A.

1990-01-01T23:59:59.000Z

300

High-Performance Beam Simulator for the LANSCE Linac  

SciTech Connect (OSTI)

A high performance multiparticle tracking simulator is currently under development at Los Alamos. The heart of the simulator is based upon the beam dynamics simulation algorithms of the PARMILA code, but implemented in C++ on Graphics Processing Unit (GPU) hardware using NVIDIA's CUDA platform. Linac operating set points are provided to the simulator via the EPICS control system so that changes of the real time linac parameters are tracked and the simulation results updated automatically. This simulator will provide valuable insight into the beam dynamics along a linac in pseudo real-time, especially where direct measurements of the beam properties do not exist. Details regarding the approach, benefits and performance are presented.

Pang, Xiaoying [Los Alamos National Laboratory; Rybarcyk, Lawrence J. [Los Alamos National Laboratory; Baily, Scott A. [Los Alamos National Laboratory

2012-05-14T23:59:59.000Z

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


301

High Performance Imaging Streak Camera for the National Ignition Facility  

SciTech Connect (OSTI)

An x-ray streak camera platform has been characterized and implemented for use at the National Ignition Facility. The camera has been modified to meet the experiment requirements of the National Ignition Campaign and to perform reliably in conditions that produce high EMI. A train of temporal UV timing markers has been added to the diagnostic in order to calibrate the temporal axis of the instrument and the detector efficiency of the streak camera was improved by using a CsI photocathode. The performance of the streak camera has been characterized and is summarized in this paper. The detector efficiency and cathode measurements are also presented.

Opachich, Y. P. [LLNL; Kalantar, D. [LLNL; MacPhee, A. [LLNL; Holder, J. [LLNL; Kimbrough, J. [LLNL; Bell, P. M. [LLNL; Bradley, D. [LLNL; Hatch, B. [LLNL; Brown, C. [LLNL; Landen, O. [LLNL; Perfect, B. H. [LLNL, HMC; Guidry, B. [LLNL; Mead, A. [NSTec; Charest, M. [NSTec; Palmer, N. [LLNL; Homoelle, D. [LLNL; Browning, D. [LLNL; Silbernagel, C. [NSTec; Brienza-Larsen, G. [NSTec; Griffin, M. [NSTec; Lee, J. J. [NSTec; Haugh, M. J. [NSTec

2012-12-01T23:59:59.000Z

302

Revisit of Energy Use and Technologies of High Performance Buildings  

SciTech Connect (OSTI)

Energy consumed by buildings accounts for one third of the world?s total primary energy use. Associated with the conscious of energy savings in buildings, High Performance Buildings (HPBs) has surged across the world, with wide promotion and adoption of various performance rating and certification systems. It is valuable to look into the actual energy performance of HPBs and to understand their influencing factors. To shed some light on this topic, this paper conducted a series of portfolio analysis based on a database of 51 high performance office buildings across the world. Analyses showed that the actual site Energy Use Intensity (EUI) of the 51 buildings varied by a factor of up to 11, indicating a large scale of variation of the actual energy performance of the current HPBs. Further analysis of the correlation between EUI and climate elucidated ubiquitous phenomenon of EUI scatter throughout all climate zones, implying that the weather is not a decisive factor, although important, for the actual energy consumption of an individual building. On the building size via EUI, analysis disclosed that smaller buildings have a tendency to achieving lower energy use. Even so, the correlation is not absolute since some large buildings demonstrated low energy use while some small buildings performed opposite. Concerning the technologies, statistics indicated that the application of some technologies had correlations with some specific building size and climate characteristic. However, it was still hard to pinpoint a set of technologies which was directly correlative with a group of low EUI buildings. It is concluded that no a single factor essentially determines the actual energy performance of HPBs. To deliver energy-efficient buildings, an integrated design taking account of climate, technology, occupant behavior as well as operation and maintenance should be implemented.

Li , Cheng; Hong , Tianzhen

2014-03-30T23:59:59.000Z

303

Coal-fired high performance power generating system. Final report  

SciTech Connect (OSTI)

As a result of the investigations carried out during Phase 1 of the Engineering Development of Coal-Fired High-Performance Power Generation Systems (Combustion 2000), the UTRC-led Combustion 2000 Team is recommending the development of an advanced high performance power generation system (HIPPS) whose high efficiency and minimal pollutant emissions will enable the US to use its abundant coal resources to satisfy current and future demand for electric power. The high efficiency of the power plant, which is the key to minimizing the environmental impact of coal, can only be achieved using a modern gas turbine system. Minimization of emissions can be achieved by combustor design, and advanced air pollution control devices. The commercial plant design described herein is a combined cycle using either a frame-type gas turbine or an intercooled aeroderivative with clean air as the working fluid. The air is heated by a coal-fired high temperature advanced furnace (HITAF). The best performance from the cycle is achieved by using a modern aeroderivative gas turbine, such as the intercooled FT4000. A simplified schematic is shown. In the UTRC HIPPS, the conversion efficiency for the heavy frame gas turbine version will be 47.4% (HHV) compared to the approximately 35% that is achieved in conventional coal-fired plants. This cycle is based on a gas turbine operating at turbine inlet temperatures approaching 2,500 F. Using an aeroderivative type gas turbine, efficiencies of over 49% could be realized in advanced cycle configuration (Humid Air Turbine, or HAT). Performance of these power plants is given in a table.

NONE

1995-08-31T23:59:59.000Z

304

Optimizing performance per watt on GPUs in High Performance Computing: temperature, frequency and voltage effects  

E-Print Network [OSTI]

The magnitude of the real-time digital signal processing challenge attached to large radio astronomical antenna arrays motivates use of high performance computing (HPC) systems. The need for high power efficiency (performance per watt) at remote observatory sites parallels that in HPC broadly, where efficiency is an emerging critical metric. We investigate how the performance per watt of graphics processing units (GPUs) is affected by temperature, core clock frequency and voltage. Our results highlight how the underlying physical processes that govern transistor operation affect power efficiency. In particular, we show experimentally that GPU power consumption grows non-linearly with both temperature and supply voltage, as predicted by physical transistor models. We show lowering GPU supply voltage and increasing clock frequency while maintaining a low die temperature increases the power efficiency of an NVIDIA K20 GPU by up to 37-48% over default settings when running xGPU, a compute-bound code used in radio...

Price, D C; Barsdell, B R; Babich, R; Greenhill, L J

2014-01-01T23:59:59.000Z

305

High Performance Computing at the Oak Ridge Leadership Computing Facility  

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

High Performance Computing at High Performance Computing at the Oak Ridge Leadership Computing Facility Go to Menu Page 2 Outline * Our Mission * Computer Systems: Present, Past, Future * Challenges Along the Way * Resources for Users Go to Menu Page 3 Our Mission Go to Menu Page 4 * World's most powerful computing facility * Nation's largest concentration of open source materials research * $1.3B budget * 4,250 employees * 3,900 research guests annually * $350 million invested in modernization * Nation's most diverse energy portfolio * The $1.4B Spallation Neutron Source in operation * Managing the billion-dollar U.S. ITER project ORNL is the U.S. Department of Energy's largest science and energy laboratory Go to Menu Page 5 Computing Complex @ ORNL World's most powerful computer for open science

306

High Performance Flow Simulations on Graphics Processing Units  

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

High Performance Flow Simulations on Graphics Processing Units High Performance Flow Simulations on Graphics Processing Units Speaker(s): Wangda Zuo Date: June 17, 2010 - 12:00pm Location: 90-3122 Seminar Host/Point of Contact: Michael Wetter Building design and operation often requires real-time or faster-than-real-time simulations for detailed information on air distributions. However, none of the current flow simulation techniques can satisfy this requirement. To solve this problem, a Fast Fluid Dynamics (FFD) model has been developed. The FFD can solve Navier-Stokes equations at a speed of 50 times faster than Computational Fluid Dynamics (CFD). In addition, the computing speed of the FFD program has been further enhanced up to 30 times by executing in parallel on a Graphics Processing Unit (GPU) instead of a Central Processing Unit (CPU). As a whole, the FFD on a GPU

307

Los Alamos Lab: High-Performance Computing: Roadrunner  

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

High-Performance Computing, HPC High-Performance Computing, HPC Home HPC-1 HPC-2 HPC-3 HPC-5 Contacts HPC Division Leader Gary Grider (acting) Deputy Division Leader Randal Rheinheimer (acting) Chief of Staf Angelina Trujillo HPC Division Office MS B260 Los Alamos, NM 87545 (505) 667-6164 Header Luna LUNA Joins LANL Supercomputers The Appro Xtreme-X(tm) Supercomputer was selected as part of the second Tri-Lab Linux Capacity Cluster (TLCC2) program to add 6 petaFlop/s to the computer power of the Department of Energy National Nuclear Security Administration (NNSA). The Los Alamos computer is named Luna (moon) in keeping with its predecessor Cielo (sky), honoring New Mexico's Spanish heritage. These supercomputers are in use by the three national laboratories in NNSA's Advanced Simulation and Computing (ASC) program: Lawrence Livermore (LLNL), Los Alamos (LANL) and Sandia (SNL).

308

High Performance Building Façade Solutions  

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

Sponsors Sponsors High Performance Building Façade Solutions High Performance Building Façade Solutions Buildings Technology Department, Environmental Energy Technologies Division, Lawrence Berkeley National Laboratory Sponsors California Energy Commission Public Interest Energy Research (PIER) Buildings End-Use Energy Efficiency Program Michael Seaman, California Energy Commission Contract Manager http://www.energy.ca.gov/research/index.html U.S. Department of Energy Assistant Secretary for Energy Efficiency and Renewable Energy Office of Building Technology, State and Community Programs Office of Building Research and Standards Marc LaFrance, Program Manager http://www.eere.energy.gov/buildings/ In-kind Cost-share Advanced Glazings Ltd. Hunter Douglas Köster Lichplanung

309

High-performances carbonaceous adsorbents for hydrogen storage  

Science Journals Connector (OSTI)

Activated carbons (ACs) with controlled microporosity have been prepared and their H2 storage performances have been tested in a gravimetric device. Such adsorbents are natural Chinese anthracites chemically activated with alkaline hydroxides, NaOH or KOH. Outstanding total storage capacities of hydrogen, as high as 6.6wt.% equivalent to excess capacity of 6.2 wt.%, have been obtained at 4MPa for some of these adsorbents. These values of hydrogen adsorption are among the best, if not the highest, ever published so far in the open literature. They are well above those of some commercial materials, e.g. Maxsorb-3, considered as a reference of high-performance adsorbent for hydrogen adsorption. Such exceptional storage capacities may be ascribed to a higher volume of micropores (

Weigang Zhao; Vanessa Fierro; E Aylon; M T Izquierdo; Alain Celzard

2013-01-01T23:59:59.000Z

310

Performance and safety parameters for the high flux isotope reactor  

SciTech Connect (OSTI)

A Monte Carlo depletion model for the High Flux Isotope Reactor (HFIR) Cycle 400 and its use in calculating parameters of relevance to the reactor performance and safety during the reactor cycle are presented in this paper. This depletion model was developed to serve as a reference for the design of a low-enriched uranium (LEU) fuel for an ongoing study to convert HFIR from high-enriched uranium (HEU) to LEU fuel; both HEU and LEU depletion models use the same methodology and ENDF/B-VII nuclear data as discussed in this paper. The calculated HFIR Cycle 400 parameters, which are compared with measurement data from critical experiments performed at HFIR, data included in the HFIR Safety Analysis Report (SAR), or data reported by previous calculations, provide a basis for verification or updating of the corresponding SAR data. (authors)

Ilas, G. [Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831-6172 (United States); Primm III, T. [Oak Ridge National Laboratory, 1 Bethel Valley Road, Oak Ridge, TN 37831-6172 (United States); Primm Consulting, LLC, 945 Laurel Hill Road, Knoxville, TN 37923 (United States)

2012-07-01T23:59:59.000Z

311

Thermal and Power Challenges in High Performance Computing Systems  

Science Journals Connector (OSTI)

This paper provides an overview of the thermal and power challenges in emerging high performance computing platforms. The advent of new sophisticated applications in highly diverse areas such as health, education, finance, entertainment, etc. is driving the platform and device requirements for future systems. The key ingredients of future platforms are vertically integrated (3D) die-stacked devices which provide the required performance characteristics with the associated form factor advantages. Two of the major challenges to the design of through silicon via (TSV) based 3D stacked technologies are (i) effective thermal management and (ii) efficient power delivery mechanisms. Some of the key challenges that are articulated in this paper include hot-spot superposition and intensification in a 3D stack, design/optimization of thermal through silicon vias (TTSVs), non-uniform power loading of multi-die stacks, efficient on-chip power delivery, minimization of electrical hotspots etc.

Venkat Natarajan; Anand Deshpande; Sudarshan Solanki; Arun Chandrasekhar

2009-01-01T23:59:59.000Z

312

High Performance Computing: Needs and Application for Thailand  

E-Print Network [OSTI]

This paper presents the overview of High Performance Computing, the required components, and its applications. Current state of the HPC researches and facilities in Thailand has also been reviewed along with the HPC related research conducted in Kasetsart University. In summary, HPC is a technology that has an impact on Thailand competitiveness. Yet, much more qualifed man-power and broader recognition of the field are desparately needed.

Yuen Poovarawan Putchong; Putchong Uthayopas

1997-01-01T23:59:59.000Z

313

High-performance CFL downlights: The best and the brightest  

SciTech Connect (OSTI)

Downlight fixtures -- often referred to as ``recessed cans`` -- are among the most common lighting fixtures in commercial and residential settings. As such, they represent one of the most promising targets for improving lighting energy efficiency. The authors estimate that downlight fixtures account for more than one-fifth of the 2.8 billion incandescent lighting sockets in the US, and represent about 8 percent of total direct lighting energy use. Over 30 million new fixtures of this type are sold each year in the US. With existing and foreseeable technology, nearly two-thirds of the incandescent downlights in the US are candidates for retrofit or replacement with compact fluorescent lamps (CFLs) or fixtures. The remaining one-third, however, are unlikely to ever be replaceable with CFL technology because of constraints on light output, lighting quality, size, and cost-effectiveness of CFL alternatives. High performance downlight systems using compact fluorescent lamps and incorporating advanced optical, thermal, and ballast designs use up to 75 percent less energy than conventional incandescent downlight fixtures. Many CFL downlight fixtures, however, perform poorly. In this report, the authors explore ways in which various elements of fixture design influence performance. They also describe exemplary elements of high-performance designs, and evaluate several emerging or experimental technologies that promise to further improve efficiency.

Sardinsky, R.; Hawthorne, S.; Newcomb, J.

1993-12-31T23:59:59.000Z

314

ROMIO: A High-Performance, Portable MPI-IO Implementation  

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

ROMIO: A High-Performance, Portable MPI-IO Implementation ROMIO: A High-Performance, Portable MPI-IO Implementation Overview Note: The version of ROMIO described on this page is an old one. We haven't released newer versions of ROMIO as independent packages for a while; they were included as part of MPICH2 and MPICH-1. You can get the latest version of ROMIO when you download MPICH2 or MPICH-1. ROMIO is a high-performance, portable implementation of MPI-IO, the I/O chapter in MPI-2. Version 1.2.5.1 of ROMIO (January 2003) is freely available. The new features in this version are listed here. ROMIO runs on at least the following machines: IBM SP; Intel Paragon; HP Exemplar; SGI Origin2000; Cray T3E; NEC SX-4; other symmetric multiprocessors from HP, SGI, DEC, Sun, and IBM; and networks of workstations (Sun, SGI, HP, IBM, DEC, Linux, and FreeBSD). Supported file

315

A high-performance workflow system for subsurface simulation  

SciTech Connect (OSTI)

Subsurface modeling applications typically neglect uncertainty in the conceptual models, past or future scenarios, and attribute most or all uncertainty to errors in model parameters. In this contribution, uncertainty in technetium-99 transport in a heterogeneous, deep vadose zone is explored with respect to the conceptual model using a next generation user environment called Akuna. Akuna provides a range of tools to manage environmental modeling projects, from managing simulation data to visualizing results from high-performance computational simulators. Core toolsets accessible through the user interface include model setup, grid generation, parameter estimation, and uncertainty quantification. The BC Cribs site at Hanford in southeastern Washington State is used to demonstrate Akuna capabilities. At the BC Cribs site, conceptualization of the system is highly uncertain because only sparse information is available for the geologic conceptual model, the physical and chemical properties of the sediments, and the history of waste disposal operations. Using the Akuna toolset to perform an analysis of conservative solute transport, significant prediction uncertainty in simulated concentrations is demonstrated by conceptual model variation. This demonstrates that conceptual model uncertainty is an important consideration in sparse data environments such as BC Cribs. It is also demonstrated that Akuna and the underlying toolset provides an integrated modeling environment that streamlines model setup, parameter optimization, and uncertainty analyses for high-performance computing applications.

Freedman, Vicky L.; Chen, Xingyuan; Finsterle, Stefan A.; Freshley, Mark D.; Gorton, Ian; Gosink, Luke J.; Keating, Elizabeth; Lansing, Carina; Moeglein, William AM; Murray, Christopher J.; Pau, George Shu Heng; Porter, Ellen A.; Purohit, Sumit; Rockhold, Mark L.; Schuchardt, Karen L.; Sivaramakrishnan, Chandrika; Vesselinov, Velimir V.; Waichler, Scott R.

2014-02-14T23:59:59.000Z

316

High Performance Computing Education for Students in Computational Engineering  

E-Print Network [OSTI]

Numerical simulation using high performance computing has become a key technology for many scientific disciplines. Consequently, high performance computing courses constitute an essential component within the undergraduate and graduate programs in Computational Engineering at University of Erlangen-Nuremberg. These courses are also offered as optional courses in other degree programs, such as for majors in computer science. 1 The Erlangen Computational Engineering Program The courses in high performance computing at University of Erlangen-Nuremberg are primarily motivated by the the Computational Engineering (CE) program that has been initiated by the Department of Computer Science in 1997 as a prototype two-year postgraduate program leading to a Master degree. The corresponding undergraduate program has been started in 1999. Together these two programs are accepting approximately 30 new undergraduate students and 45 graduate students, annually. The traditional German university degree in the sciences and the engineering disciplines is the Diplom which corresponds approximately to the academic level of a Master degree in the US

Uwe Fabricius; Christoph Freundl; Harald Kstler; Ulrich Rde; Uwe Fabricius; Christoph Freundl; Harald Kstler; Ulrich Rde

317

NUCLEAR WASTE VITRIFICATION EFFICIENCY COLD CAP REACTIONS  

SciTech Connect (OSTI)

The cost and schedule of nuclear waste treatment and immobilization are greatly affected by the rate of glass production. Various factors influence the performance of a waste-glass melter. One of the most significant, and also one of the least understood, is the process of batch melting. Studies are being conducted to gain fundamental understanding of the batch reactions, particularly those that influence the rate of melting, and models are being developed to link batch makeup and melter operation to the melting rate. Batch melting takes place within the cold cap, i.e., a batch layer floating on the surface of molten glass. The conversion of batch to glass consists of various chemical reactions, phase transitions, and diffusion-controlled processes. These include water evaporation (slurry feed contains as high as 60% water), gas evolution, the melting of salts, the formation of borate melt, reactions of borate melt with molten salts and with amorphous oxides (Fe{sub 2}O{sub 3} and Al{sub 2}O{sub 3}), the formation of intermediate crystalline phases, the formation of a continuous glass-forming melt, the growth and collapse of primary foam, and the dissolution of residual solids. To this list we also need to add the formation of secondary foam that originates from molten glass but accumulates on the bottom of the cold cap. This study presents relevant data obtained for a high-level-waste melter feed and introduces a one-dimensional (1D) mathematical model of the cold cap as a step toward an advanced three-dimensional (3D) version for a complete model of the waste glass melter. The 1D model describes the batch-to-glass conversion within the cold cap as it progresses in a vertical direction. With constitutive equations and key parameters based on measured data, and simplified boundary conditions on the cold-cap interfaces with the glass melt and the plenum space of the melter, the model provides sensitivity analysis of the response of the cold cap to the batch makeup and melter conditions. The model demonstrates that batch foaming has a decisive influence on the rate of melting. Understanding the dynamics of the foam layer at the bottom of the cold cap and the heat transfer through it appears crucial for a reliable prediction of the rate of melting as a function of the melter-feed makeup and melter operation parameters. Although the study is focused on a batch for waste vitrification, the authors expect that the outcome will also be relevant for commercial glass melting.

KRUGER AA; HRMA PR; POKORNY R

2011-07-29T23:59:59.000Z

318

Nuclear waste vitrification efficiency: cold cap reactions  

SciTech Connect (OSTI)

The cost and schedule of nuclear waste treatment and immobilization are greatly affected by the rate of glass production. Various factors influence the performance of a waste-glass melter. One of the most significant, and also one of the least understood, is the process of batch melting. Studies are being conducted to gain fundamental understanding of the batch reactions, particularly those that influence the rate of melting, and models are being developed to link batch makeup and melter operation to the melting rate. Batch melting takes place within the cold cap, i.e., a batch layer floating on the surface of molten glass. The conversion of batch to glass consists of various chemical reactions, phase transitions, and diffusion-controlled processes. These include water evaporation (slurry feed contains as high as 60% water), gas evolution, the melting of salts, the formation of borate melt, reactions of borate melt with molten salts and with amorphous oxides (Fe2O3 and Al2O3), the formation of intermediate crystalline phases, the formation of a continuous glass-forming melt, the growth and collapse of primary foam, and the dissolution of residual solids. To this list we also need to add the formation of secondary foam that originates from molten glass but accumulates on the bottom of the cold cap. This study presents relevant data obtained for a high-level-waste melter feed and introduces a one-dimensional (1D) mathematical model of the cold cap as a step toward an advanced three-dimensional (3D) version for a complete model of the waste glass melter. The 1D model describes the batch-to-glass conversion within the cold cap as it progresses in a vertical direction. With constitutive equations and key parameters based on measured data, and simplified boundary conditions on the cold-cap interfaces with the glass melt and the plenum space of the melter, the model provides sensitivity analysis of the response of the cold cap to the batch makeup and melter conditions. The model demonstrates that batch foaming has a decisive influence on the rate of melting. Understanding the dynamics of the foam layer at the bottom of the cold cap and the heat transfer through it appears crucial for a reliable prediction of the rate of melting as a function of the melter-feed makeup and melter operation parameters. Although the study is focused on a batch for waste vitrification, the authors expect that the outcome will also be relevant for commercial glass melting.

Hrma, Pavel R.; Kruger, Albert A.; Pokorny, Richard

2012-12-15T23:59:59.000Z

319

Promise and challenge of high-performance computing, with examples from molecular modelling  

Science Journals Connector (OSTI)

...Issue New science from high-performance computing organized by Richard Catlow...Promise and challenge of high-performance computing, with examples from molecular...the benefits offered by high-performance computing. The task will not be...

2002-01-01T23:59:59.000Z

320

RAPPORT: running scientific high-performance computing applications on the cloud  

Science Journals Connector (OSTI)

...RAPPORT: running scientific high-performance computing applications on the cloud...for running scientific high-performance computing (HPC) software. The...platforms. cloud computing|high-performance computing|data-intensive research...

2013-01-01T23:59:59.000Z

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


321

High-performance computing in computational fluid dynamics: progress and challenges  

Science Journals Connector (OSTI)

...Issue New science from high-performance computing organized by Richard Catlow...Tildesley and Maggie Wilson High-performance computing in computational fluid...far the largest user of high-performance computing (HPC) in engineering...

2002-01-01T23:59:59.000Z

322

Editorial for Advanced Theory and Practice for High Performance Computing and Communications Geoffrey Fox  

E-Print Network [OSTI]

Editorial for Advanced Theory and Practice for High Performance Computing and Communications Theory and Practice for High Performance Computing and Communications. I would like to thank Omer Rana International Conference on High Performance Computing and Communications (HPCC-09) http

323

June 4, 2007 Advanced Fault Tolerance Solutions for High Performance Computing  

E-Print Network [OSTI]

June 4, 2007 Advanced Fault Tolerance Solutions for High Performance Computing Workshop on Trends Tolerance Solutions for High Performance Computing Christian Engelmann Oak Ridge National Laboratory, Oak Solutions for High Performance Computing Workshop on Trends, Technologies and Collaborative Opportunities

Engelmann, Christian

324

On the performance of molecular dynamics applications on current high-end systems  

Science Journals Connector (OSTI)

...exploitation of current high performance computing (HPC) platforms in molecular...capability computing|high performance computing| 1. Introduction Molecular...places increasing demands on high performance computing (HPC) resources. A vast...

2005-01-01T23:59:59.000Z

325

Demonstration and Performance Monitoring of Foundation Heat Exchangers in Low Load, High Performance Research Homes  

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

Demonstration and Performance Monitoring of Foundation Heat Exchangers (FHX) in Low Load, High Performance Research Homes Piljae Im, Ph.D. Oak Ridge National Laboratory Building America Technical Update Meeting April 29 - 30, Denver, Colorado ACKNOWLEDGEMENT * This project was sponsored by the Building Technologies Office of the U.S. Department of Energy's Office of Energy Efficiency and Renewable Energy and the Tennessee Valley Authority (TVA). Managed by UT-Battelle for the U.S. Department of Energy 2 PRESENTATION OVERVIEW * INTRODUCTION * FIELD TEST OF THE FOUNDATION HEAT EXCHANGER (FHX) CONCEPT * FOUNDATION HEAT EXCHANGER PERFORMANCE MEASUREMENTS * ADDITIONAL FINDINGS AND COST COMPARISON * SUMMARY Managed by UT-Battelle for the U.S. Department of Energy

326

High performance, high bandgap, lattice-mismatched, GaInP solar cells  

DOE Patents [OSTI]

High performance, high bandgap, lattice-mismatched, photovoltaic cells (10), both transparent and non-transparent to sub-bandgap light, are provided as devices for use alone or in combination with other cells in split spectrum apparatus or other applications.

Wanlass, Mark W.; Carapella, Jeffrey J.; Steiner, Myles A.

2014-07-08T23:59:59.000Z

327

Finite-State Verification for High Performance Computing George S. Avrunin  

E-Print Network [OSTI]

Finite-State Verification for High Performance Computing George S. Avrunin Department (top500.org) reveals that high performance computing has become practically synonymous with parallel

Avrunin, George S.

328

High Performance Computing linear algorithms for two-phase flow in porous media  

E-Print Network [OSTI]

High Performance Computing linear algorithms for two-phase flow in porous media Robert Eymard High Performance Computing techniques. This implies to handle the difficult problem of solving

Paris-Sud XI, Université de

329

GOCE DATA ANALYSIS: REALIZATION OF THE INVARIANTS APPROACH IN A HIGH PERFORMANCE COMPUTING ENVIRONMENT  

E-Print Network [OSTI]

GOCE DATA ANALYSIS: REALIZATION OF THE INVARIANTS APPROACH IN A HIGH PERFORMANCE COMPUTING) implementation of the algorithms on high performance computing platforms. #12;2. INVARIANTS REPRESENTATION

Stuttgart, Universität

330

Community-Scale High-Performance with Solar: Pulte Homes, Tucson...  

Energy Savers [EERE]

Community-Scale High-Performance with Solar: Pulte Homes, Tucson, AZ - Building America Top Innovation Community-Scale High-Performance with Solar: Pulte Homes, Tucson, AZ -...

331

E-Print Network 3.0 - amorphous metals high-performance Sample...  

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

Mathematics 4 Licensable Technologies Summary: and low-performance, low-cost amorphous film solar cells. n Potential for high efficiency, high-performance... Benefits: n...

332

High-Performance Sustainable Building Design for New Construction and Major Renovations  

Broader source: Energy.gov [DOE]

New construction and major renovations to existing buildings offer Federal agencies opportunities to create sustainable high-performance buildings. High-performance buildings can incorporate energy...

333

Middleware in Modern High Performance Computing System Architectures  

SciTech Connect (OSTI)

A recent trend in modern high performance computing (HPC) system architectures employs ''lean'' compute nodes running a lightweight operating system (OS). Certain parts of the OS as well as other system software services are moved to service nodes in order to increase performance and scalability. This paper examines the impact of this HPC system architecture trend on HPC ''middleware'' software solutions, which traditionally equip HPC systems with advanced features, such as parallel and distributed programming models, appropriate system resource management mechanisms, remote application steering and user interaction techniques. Since the approach of keeping the compute node software stack small and simple is orthogonal to the middleware concept of adding missing OS features between OS and application, the role and architecture of middleware in modern HPC systems needs to be revisited. The result is a paradigm shift in HPC middleware design, where single middleware services are moved to service nodes, while runtime environments (RTEs) continue to reside on compute nodes.

Engelmann, Christian [ORNL; Ong, Hong Hoe [ORNL; Scott, Stephen L [ORNL

2007-01-01T23:59:59.000Z

334

Energy Efficiency Opportunities in Federal High Performance Computing Data Centers  

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

Efficiency Efficiency Opportunities in Federal High Performance Computing Data Centers Prepared for the U.S. Department of Energy Federal Energy Management Program By Lawrence Berkeley National Laboratory Rod Mahdavi, P.E. LEED A.P. September 2013 2 Contacts Rod Mahdavi, P.E. LEED AP Lawrence Berkeley National Laboratory (510) 495-2259 rmahdavi@lbl.gov For more information on FEMP: Will Lintner, P.E. Federal Energy Management Program U.S. Department of Energy (202) 586-3120 william.lintner@ee.doe.gov 3 Contents Executive Summary .................................................................................................... 6 Overview .................................................................................................................... 7

335

High Performance Building Incentive Program | Department of Energy  

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

Incentive Program Incentive Program High Performance Building Incentive Program < Back Eligibility Commercial Residential Savings Category Heating & Cooling Home Weatherization Construction Commercial Weatherization Commercial Heating & Cooling Design & Remodeling Bioenergy Solar Lighting Windows, Doors, & Skylights Heating Buying & Making Electricity Water Heating Wind Maximum Rebate Residential loans/loan guarantees: 100,000 Commercial loans/loan guarantees: 2 million Grants: Lesser of 10% of project costs or 500,000 Program Info Start Date April 2009 State Pennsylvania Program Type State Loan Program Rebate Amount Vary by project, but program generally requires matching funds at least equivalent to DCED funding Provider Department of Community and Economic Development

336

Kitchen Ventilation Should be High Performance (Not Optional)  

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

Kitchen Ventilation Kitchen Ventilation Should be High Performance (not Optional) Brett C. Singer Residential Building Systems & Indoor Environment Groups Lawrence Berkeley National Laboratory Building America Technical Update Denver, CO April 30, 2013 Acknowledgements PROGRAM SUPPORT *U.S. Department of Energy - Building America Program *U.S. Environmental Protection Agency - Indoor Environments Division *U.S. Department of Housing and Urban Development - Office of Healthy Homes & Lead Hazard Control *California Energy Commission - Public Interest Energy Research Program TECHNICAL CONTRIBUTIONS *Woody Delp, Tosh Hotchi, Melissa Lunden, Nasim Mullen, Chris Stratton, Doug Sullivan, Iain Walker Kitchen Ventilation Simplified PROBLEM: * Cooking burners & cooking produce odors, moisture

337

Strategy Guideline: Advanced Construction Documentation Recommendations for High Performance Homes  

SciTech Connect (OSTI)

As whole house energy efficiency increases, new houses become less like conventional houses that were built in the past. New materials and new systems require greater coordination and communication between industry stakeholders. The Guideline for Construction Documents for High Performance Housing provides advice to address this need. The reader will be presented with four changes that are recommended to achieve improvements in energy efficiency, durability and health in Building America houses: create coordination drawings, improve specifications, improve detail drawings, and review drawings and prepare a Quality Control Plan.

Lukachko, A.; Gates, C.; Straube, J.

2011-12-01T23:59:59.000Z

338

High-Performance Nanostructured Inorganic?Organic Heterojunction Solar Cells  

Science Journals Connector (OSTI)

High-Performance Nanostructured Inorganic?Organic Heterojunction Solar Cells ... Although single-crystalline Si-based solar cells are successfully used to harvest solar energy, inexpensive production of photovoltaic (PV) devices at a cost comparable to the energy production cost of fossil fuels has become a critical issue to meet the global energy crisis. ... The photocurrent output of a solar cell based on exciton dissociation from sensitized solar cells depends on the quantum efficiencies of light harvesting (?lh), electron injection (?inj), and electron collection (?cc), which is determined by the competition between recombination and charge collection. ...

Jeong Ah Chang; Jae Hui Rhee; Sang Hyuk Im; Yong Hui Lee; Hi-jung Kim; Sang Il Seok; Md. K. Nazeeruddin; Michael Gratzel

2010-05-28T23:59:59.000Z

339

Thermal management and overall performance of a high concentration PV  

Science Journals Connector (OSTI)

An advanced thermal management approach for HCPV systems is demonstrated in this manuscript proposing the concept of efficient heat recovery at ultra high concentration ratios by collecting the heat on a high temperature level. With the availability of this low grade heat the efficiency of the HCPV system is increased further as the 'waste' heat is supplied to different thermal consumers engaging in thermal desalination or adsorption cooling processes. To asses the value of the concept we have estimated the economic value of heat with regard to its consumer and observed that this differs from its thermodynamic value. This valuable input is was used to determine the overall generated value of a dual output system as a function of the operation temperature where we have actively demonstrated a superior performance of the HCPVT.

Werner Escher; Stephan Paredes; Severin Zimmermann; Chin Lee Ong

2012-01-01T23:59:59.000Z

340

Dynamic high-speed spatial manipulation of cold atoms using acousto-optic and spatial light modulation  

Science Journals Connector (OSTI)

We demonstrate an experimental technique for high-resolution, high-speed spatial manipulation of atom clouds. By combining holographically engineered laser beams from a spatial light...

Fatemi, F K; Bashkansky, M; Dutton, Z

2007-01-01T23:59:59.000Z

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


341

The Corrosion of High Performance Steel in Adverse Environments  

SciTech Connect (OSTI)

The corrosion products that have formed on weathering steel bridges exposed to different weather conditions in the United States have been evaluated. They have been analyzed by spectroscopic techniques to determine the relationship between protective and non-protective rust coatings, and their relationship to the exposure conditions. Bridges constructed recently using High Performance Steel, as well as older bridges built with Type A588B weathering steel, were evaluated for corrosion performance of the rust coatings. In locations where the steel is subjected to regular wet-dry cycling, where the surface is wet for less than about 20% of the time, a protective patina starts to form after a few months exposure, and continues to an adherent, impervious coating after a decade. The protective patina is characterized by the formation of only goethite and lepidocrocite. The goethite makes up about 80% of the rust, and itself consists of a nanophase component, < 15 nm, making up about 70% of the goethite. The nanophase goethite is basically undetected by X-ray diffraction. In the presence of high time-of-wetness, >40%, or infrequent drying cycles (regions close to waterways, fog or having high humidity), the weathering steel forms a rust coating that consists of a large amount of maghemite, and goethite that contains very little of the nanophase component. The rust coating ex-foliates from the steel and is not protective. Under exposure conditions in which chlorides are deposited onto the weathering steel surface (marine or de-icing salt locations), the protective patina also does not form. Instead, the rust coating consists of a large fraction of akaganeite that forms at the expense of the lepidocrocite and nanophase goethite. The bridges exposed to high chloride concentrations, 1.5 wt%, and therefore having no protective patina, have corrosion rates measured to be 6 times larger than expected for weathering steel with the protective patina.

Cook, Desmond C. [Physics Department, Old Dominion University, Norfolk, VA 23529 (United States)

2005-04-26T23:59:59.000Z

342

High Performance Computing Update, June 2009 1. A meeting was held with users and potential users of high performance computing systems in April and this  

E-Print Network [OSTI]

High Performance Computing Update, June 2009 1. A meeting was held with users and potential users of high performance computing systems in April and this considered a proposal from the Director and application "advice" and a core system to host and manage high performance computing nodes (or clusters

Sussex, University of

343

High Performance Fuel Desing for Next Generation Pressurized Water Reactors  

SciTech Connect (OSTI)

The use of internally and externally cooled annular fule rods for high power density Pressurized Water Reactors is assessed. The assessment included steady state and transient thermal conditions, neutronic and fuel management requirements, mechanical vibration issues, fuel performance issues, fuel fabrication methods and econmic assessment. The investigation was donducted by a team from MIT, Westinghouse, Gamma Engineering, Framatome ANP, and AECL. The analyses led to the conclusion that raising the power density by 50% may be possible with this advanced fuel. Even at the 150% power level, the fuel temperature would be a few hundred degrees lower than the current fuel temperatre. Significant economic and safety advantages can be obtained by using this fuel in new reactors. Switching to this type of fuel for existing reactors would yield safety advantages, but the economic return is dependent on the duration of plant shutdown to accommodate higher power production. The main feasiblity issue for the high power performance appears to be the potential for uneven splitting of heat flux between the inner and outer fuel surfaces due to premature closure of the outer fuel-cladding gap. This could be overcome by using a very narrow gap for the inner fuel surface and/or the spraying of a crushable zirconium oxide film at the fuel pellet outer surface. An alternative fuel manufacturing approach using vobropacking was also investigated but appears to yield lower than desirable fuel density.

Mujid S. Kazimi; Pavel Hejzlar

2006-01-31T23:59:59.000Z

344

Experiments and Investigations for the Personal High Performance Computing  

E-Print Network [OSTI]

(PHPC) built on top of the 64-bit processing and clustering systems The motivation and objective for this paper is to demonstrate Personal High Performance Computing (PHPC), which requires only a smaller number of computers, resources and space in the secure wireless home networking (WHN) environment. The PHPC is based on a cluster of the 64-bit AMD machines, which can achieve the following: (a) reducing CPU time by 10 %- 50 % for a single task; (b) minimizing the memory and hard-disk workload by 50%; (c) running 64-bit software applications successfully; (d) receiving up to 60 % better performance in multi-tasking performance; (e) executing fast, robust and accurate calculations, visualization and server-side applications on 32-bit and 64-bit Windows and Linux; (f) ensuring a secure working environment (g) storing a massive amount of data (12 TB, or 12,000 GB) for database and server applications; and (h) successfully integrating with other emerging technologies such as LAN/wireless networks and entertainment systems. 1.

unknown authors

345

The Corrosion of High Performance Steel in Adverse Environments  

Science Journals Connector (OSTI)

The corrosion products that have formed on weathering steel bridges exposed to different weather conditions in the United States have been evaluated. They have been analyzed by spectroscopic techniques to determine the relationship between protective and non?protective rust coatings and their relationship to the exposure conditions. Bridges constructed recently using High Performance Steel as well as older bridges built with Type A588B weathering steel were evaluated for corrosion performance of the rust coatings. In locations where the steel is subjected to regular wet?dry cycling where the surface is wet for less than about 20% of the time a protective patina starts to form after a few months exposure and continues to an adherent impervious coating after a decade. The protective patina is characterized by the formation of only goethite and lepidocrocite. The goethite makes up about 80% of the rust and itself consists of a nanophase component 40% or infrequent drying cycles (regions close to waterways fog or having high humidity) the weathering steel forms a rust coating that consists of a large amount of maghemite and goethite that contains very little of the nanophase component. The rust coating ex?foliates from the steel and is not protective. Under exposure conditions in which chlorides are deposited onto the weathering steel surface (marine or de?icing salt locations) the protective patina also does not form. Instead the rust coating consists of a large fraction of akaganeite that forms at the expense of the lepidocrocite and nanophase goethite. The bridges exposed to high chloride concentrations 1.5 wt% and therefore having no protective patina have corrosion rates measured to be 6 times larger than expected for weathering steel with the protective patina.

Desmond C. Cook

2005-01-01T23:59:59.000Z

346

Thermal hydraulic performance testing of printed circuit heat exchangers in a high-temperature helium test facility  

SciTech Connect (OSTI)

In high-temperature gas-cooled reactors, such as a very high temperature reactor (VHTR), an intermediate heat exchanger (IHX) is required to efficiently transfer the core thermal output to a secondary fluid for electricity generation with an indirect power cycle and/or process heat applications. Currently, there is no proven high-temperature (750800 C or higher) compact heat exchanger technology for high-temperature reactor design concepts. In this study, printed circuit heat exchanger (PCHE), a potential IHX concept for high-temperature applications, has been investigated for their heat transfer and pressure drop characteristics under high operating temperatures and pressures. Two PCHEs, each having 10 hot and 10 cold plates with 12 channels (semicircular cross-section) in each plate are fabricated using Alloy 617 plates and tested for their performance in a high-temperature helium test facility (HTHF). The PCHE inlet temperature and pressure were varied from 85 to 390 C/1.02.7 MPa for the cold side and 208790 C/1.02.7 MPa for the hot side, respectively, while the mass flow rate of helium was varied from 15 to 49 kg/h. This range of mass flow rates corresponds to PCHE channel Reynolds numbers of 950 to 4100 for the cold side and 900 to 3900 for the hot side (corresponding to the laminar and laminar-to-turbulent transition flow regimes). The obtained experimental data have been analyzed for the pressure drop and heat transfer characteristics of the heat transfer surface of the PCHEs and compared with the available models and correlations in the literature. In addition, a numerical treatment of hydrodynamically developing and hydrodynamically fully-developed laminar flow through a semicircular duct is presented. Relations developed for determining the hydrodynamic entrance length in a semicircular duct and the friction factor (or pressure drop) in the hydrodynamic entry length region for laminar flow through a semicircular duct are given. Various hydrodynamic entrance region parameters, such as incremental pressure drop number, apparent Fanning friction factor, and hydrodynamic entrance length in a semicircular duct have been numerically estimated.

Sai K. Mylavarapu; Xiaodong Sun; Richard E. Glosup; Richard N. Christensen; Michael W. Patterson

2014-04-01T23:59:59.000Z

347

A High Performance Computing Platform for Performing High-Volume Studies With Windows-based Power Grid Tools  

SciTech Connect (OSTI)

Serial Windows-based programs are widely used in power utilities. For applications that require high volume simulations, the single CPU runtime can be on the order of days or weeks. The lengthy runtime, along with the availability of low cost hardware, is leading utilities to seriously consider High Performance Computing (HPC) techniques. However, the vast majority of the HPC computers are still Linux-based and many HPC applications have been custom developed external to the core simulation engine without consideration for ease of use. This has created a technical gap for applying HPC-based tools to todays power grid studies. To fill this gap and accelerate the acceptance and adoption of HPC for power grid applications, this paper presents a prototype of generic HPC platform for running Windows-based power grid programs on Linux-based HPC environment. The preliminary results show that the runtime can be reduced from weeks to hours to improve work efficiency.

Chen, Yousu; Huang, Zhenyu

2014-08-31T23:59:59.000Z

348

High-performance scalable Information Service for the ATLAS experiment  

E-Print Network [OSTI]

The ATLAS experiment is being operated by highly distributed computing system which is constantly producing a lot of status information which is used to monitor the experiment operational conditions as well as to access the quality of the physics data being taken. For example the ATLAS High Level Trigger(HLT) algorithms are executed on the online computing farm consisting from about 1500 nodes. Each HLT algorithm is producing few thousands histograms, which have to be integrated over the whole farm and carefully analyzed in order to properly tune the event rejection. In order to handle such non-physics data the Information Service (IS) facility has been developed in the scope of the ATLAS TDAQ project. The IS provides high-performance scalable solution for information exchange in distributed environment. In the course of an ATLAS data taking session the IS handles about hundred gigabytes of information which is being constantly updated with the update interval varying from a second to few tens of seconds. IS ...

Kolos, S; The ATLAS collaboration; Hauser, R

2012-01-01T23:59:59.000Z

349

Spectroscopy of a cold strontium Rydberg gas  

E-Print Network [OSTI]

We present a study of a cold strontium Rydberg gas. The narrowband laser excitation of Rydberg states in the range n=20-80 from a 6~mK cloud of strontium atoms is detected using the spontaneous ionization of the Rydberg atoms. Using a high-resolution step-scanning technique, we perform detailed measurements of the Stark maps of selected Rydberg states. We find excellent agreement between the measured Stark maps and a numerical calculation based on an independent-electron model. Finally we show that excitation of the second valence electron can be used to probe the dynamics of the Rydberg gas with nanosecond temporal resolution via autoionization.

Millen, J; Corbett, G R; Potvliege, R M; Jones, M P A

2011-01-01T23:59:59.000Z

350

U.S. Department of Energy High Performance and Sustainable Buildings Implementation Plan  

Broader source: Energy.gov [DOE]

Plan outlining DOE's commitment to designing, building, operating, and maintaining high performance and sustainable buildings (HPSB).

351

Achieving High Performance Polymer Tandem Solar Cells via Novel Materials Design  

E-Print Network [OSTI]

assisted preparation of narrow-bandgap conjugated polymers for high performance bulk heterojunction solar

Dou, Letian

2014-01-01T23:59:59.000Z

352

High Performance Computing - Power Application Programming Interface Specification.  

SciTech Connect (OSTI)

Measuring and controlling the power and energy consumption of high performance computing systems by various components in the software stack is an active research area [13, 3, 5, 10, 4, 21, 19, 16, 7, 17, 20, 18, 11, 1, 6, 14, 12]. Implementations in lower level software layers are beginning to emerge in some production systems, which is very welcome. To be most effective, a portable interface to measurement and control features would significantly facilitate participation by all levels of the software stack. We present a proposal for a standard power Application Programming Interface (API) that endeavors to cover the entire software space, from generic hardware interfaces to the input from the computer facility manager.

Laros, James H.,; Kelly, Suzanne M.; Pedretti, Kevin; Grant, Ryan; Olivier, Stephen Lecler; Levenhagen, Michael J.; DeBonis, David

2014-08-01T23:59:59.000Z

353

Use of high performance computing resources for underwater acoustic modeling.  

Science Journals Connector (OSTI)

The majority of standard underwater propagation models provide a two?dimensional (range and depth) acoustic field for a single frequency point source. Computational resource demand increases considerably when the three?dimensional acoustic field of a broad?band spatially extended source is of interest. An upgrade of the standard parabolic equationmodel RAM for use in a high?performance computing (HPC) environment is discussed. A benchmarked upgraded version of RAM is used in the Louisiana Optical Network Initiative HPC?environment to model the three?dimensional acoustic field of a seismic airgun array. Four?dimensional visualization (time and space) of the generated data volume is also addressed. [Research supported by the Louisiana Optical Network Initiative TeraGrid Fellowship and the Joint Industry Programme through the International Association of Oil and Gas Producers.

Anca M. Niculescu; Natalia A. Sidorovskaia; Peter Achi; Arslan M. Tashmukhambetov; George E. Ioup; Juliette W. Ioup

2009-01-01T23:59:59.000Z

354

National Best Practices Manual for Building High Performance Schools  

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

Best Practices Manual Best Practices Manual For Building High Performance Schools Acknowledgements The U.S. Department of Energy would like to acknowledge the help and assistance of the EnergySmart Schools team and the many authors and reviewers that provided input and feedback during the process of developing the report. Those include: US Department of Energy: David Hansen, Daniel Sze; EnergySmart Schools Team: Larry Schoff; US Environmental Protection Agency: Melissa Payne, Bob Thompson; Lawrence Berkeley National Laboratory: Rick Diamond; National Renewable Energy Laboratory: Ren Anderson, Zahra Chaudhry, Jeff Clarke, Kyra Epstein, Tony Jimenez, Patty Kappaz, Patricia Plympton, Byron Stafford, Marcy Stone, John Thornton, Paul Torcellini; Oak Ridge National Laboratory: Andre Desjarlais,

355

Commercial Building Partners Catalyze High Performance Buildings Across the Nation  

SciTech Connect (OSTI)

In 2008 the US Department of Energy (DOE) launched the Commercial Buildings Partnership (CBP) project to accelerate market adoption of commercially available energy saving technologies into the design process for new and upgraded commercial buildings. The CBP represents a unique collaboration between industry leaders and DOE to develop high performance buildings as a model for future construction and renovation. CBP was implemented in two stages. This paper focuses on lessons learned at Pacific Northwest National Laboratory (PNNL) in the first stage and discusses some partner insights from the second stage. In the first stage, PNNL and the National Renewable Energy Laboratory recruited CBP partners that own large portfolios of buildings. The labs provide assistance to the partners' design teams and make a business case for energy investments.

Baechler, Michael C.; Dillon, Heather E.; Bartlett, Rosemarie

2012-08-01T23:59:59.000Z

356

High Performance Cathodes for Li-Air Batteries  

SciTech Connect (OSTI)

The overall objective of this project was to develop and fabricate a multifunctional cathode with high activities in acidic electrolytes for the oxygen reduction and evolution reactions for Li-air batteries. It should enable the development of Li-air batteries that operate on hybrid electrolytes, with acidic catholytes in particular. The use of hybrid electrolytes eliminates the problems of lithium reaction with water and of lithium oxide deposition in the cathode with sole organic electrolytes. The use of acid electrolytes can eliminate carbonate formation inside the cathode, making air breathing Li-air batteries viable. The tasks of the project were focused on developing hierarchical cathode structures and bifunctional catalysts. Development and testing of a prototype hybrid Li-air battery were also conducted. We succeeded in developing a hierarchical cathode structure and an effective bifunctional catalyst. We accomplished integrating the cathode with existing anode technologies and made a pouch prototype Li-air battery using sulfuric acid as catholyte. The battery cathodes contain a nanoscale multilayer structure made with carbon nanotubes and nanofibers. The structure was demonstrated to improve battery performance substantially. The bifunctional catalyst developed contains a conductive oxide support with ultra-low loading of platinum and iridium oxides. The work performed in this project has been documented in seven peer reviewed journal publications, five conference presentations, and filing of two U.S. patents. Technical details have been documented in the quarterly reports to DOE during the course of the project.

Xing, Yangchuan

2013-08-22T23:59:59.000Z

357

International workshop on cold neutron sources  

SciTech Connect (OSTI)

The first meeting devoted to cold neutron sources was held at the Los Alamos National Laboratory on March 5--8, 1990. Cosponsored by Los Alamos and Oak Ridge National Laboratories, the meeting was organized as an International Workshop on Cold Neutron Sources and brought together experts in the field of cold-neutron-source design for reactors and spallation sources. Eighty-four people from seven countries attended. Because the meeting was the first of its kind in over forty years, much time was spent acquainting participants with past and planned activities at reactor and spallation facilities worldwide. As a result, the meeting had more of a conference flavor than one of a workshop. The general topics covered at the workshop included: Criteria for cold source design; neutronic predictions and performance; energy deposition and removal; engineering design, fabrication, and operation; material properties; radiation damage; instrumentation; safety; existing cold sources; and future cold sources.

Russell, G.J.; West, C.D. (comps.) (Los Alamos National Lab., NM (United States)) [comps.; Los Alamos National Lab., NM (United States)

1991-08-01T23:59:59.000Z

358

Building America Webinar: High Performance Space Conditioning Systems, Part II  

Broader source: Energy.gov [DOE]

The webinar on Nov. 18, 2014, continued the series on strategies to improve the performance of HVAC systems for low load homes and home performance retrofits.

359

Building America Webinar: High Performance Space Conditioning Systems, Part I  

Broader source: Energy.gov [DOE]

The webinar on Oct. 23, 2014 focused on strategies to improve the performance of HVAC systems for low load homes and home performance retrofits.

360

Recent advances in high-performance direct methanol fuel cells  

SciTech Connect (OSTI)

Direct methanol fuel cells for portable power applications have been advanced significantly under DARPA- and ARO-sponsored programs over the last five years. A liquid-feed direct methanol fuel cell developed under these programs, employs a proton exchange membrane as electrolyte and operates on aqueous solutions of methanol with air or oxygen as the oxidant. Power densities as high as 320 mW/cm{sup 2} have been demonstrated. Demonstration of five-cell stack based on the liquid-feed concept have been successfully performed by Giner Inc. and the Jet Propulsion Laboratory. Over 2000 hours of life-testing have been completed on these stacks. These fuel cells have been also been demonstrated by USC to operate on alternate fuels such as trimethoxymethane, dimethoxymethane and trioxane. Reduction in the parasitic loss of fuel across the fuel cell, a phenomenon termed as {open_quotes}fuel crossover{close_quotes} has been achieved using polymer membranes developed at USC. As a result efficiencies as high as 40% is considered attainable with this type of fuel cell. The state-of-development has reached a point where it is now been actively considered for stationary, portable and transportation applications. The research and development issues have been the subject of several previous articles and the present article is an attempt to summarize the key advances in this technology.

Narayanan, S.R.; Chun, W.; Valdez, T.I. [California Institute of Technology, Pasadena, CA (United States)] [and others

1996-12-31T23:59:59.000Z

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


361

High performance gamma measurements of equipment retrieved from Hanford high-level nuclear waste tanks  

SciTech Connect (OSTI)

The cleanup of high level defense nuclear waste at the Hanford site presents several progressive challenges. Among these is the removal and disposal of various components from buried active waste tanks to allow new equipment insertion or hazards mitigation. A unique automated retrieval system at the tank provides for retrieval, high pressure washing, inventory measurement, and containment for disposal. Key to the inventory measurement is a three detector HPGe high performance gamma spectroscopy system capable of recovering data at up to 90% saturation (200,000 counts per second). Data recovery is based on a unique embedded electronic pulser and specialized software to report the inventory. Each of the detectors have different shielding specified through Monte Carlo simulation with the MCNP program. This shielding provides performance over a dynamic range of eight orders of magnitude. System description, calibration issues and operational experiences are discussed.

Troyer, G.L.

1997-03-17T23:59:59.000Z

362

Functionalized Materials From Elastomers to High Performance Thermoplastics  

SciTech Connect (OSTI)

Synthesis and incorporation of functionalized materials continues to generate significant research interest in academia and in industry. If chosen correctly, a functional group when incorporated into a polymer can deliver enhanced properties, such as adhesion, water solubility, thermal stability, etc. The utility of these new materials has been demonstrated in drug-delivery systems, coatings, membranes and compatibilizers. Two approaches exist to functionalize a material. The desired moiety can be added to the monomer either before or after polymerization. The polymers used range from low glass transition temperature elastomers to high glass transition temperature, high performance materials. One industrial example of the first approach is the synthesis of Teflon(reg. sign). Poly(tetrafluoroethylene) (PTFE or Teflon(reg. sign)) is synthesized from tetrafluoroethylene, a functionalized monomer. The resulting material has significant property differences from the parent, poly(ethylene). Due to the fluorine in the polymer, PTFE has excellent solvent and heat resistance, a low surface energy and a low coefficient of friction. This allows the material to be used in high temperature applications where the surface needs to be nonabrasive and nonstick. This material has a wide spread use in the cooking industry because it allows for ease of cooking and cleaning as a nonstick coating on cookware. One of the best examples of the second approach, functionalization after polymerization, is the vulcanization process used to make tires. Natural rubber (from the Hevea brasiliensis) has a very low glass transition temperature, is very tacky and would not be useful to make tires without synthetic alteration. Goodyear's invention was the vulcanization of polyisoprene by crosslinking the material with sulfur to create a rubber that was tough enough to withstand the elements of weather and road conditions. Due to the development of polymerization techniques to make cis-polyisoprene, natural rubber is no longer needed for the manufacturing of tires, but vulcanization is still utilized.

Laura Ann Salazar

2003-05-31T23:59:59.000Z

363

Vision 21 applications of high performance power systems (HIPPS)  

SciTech Connect (OSTI)

The DOE/FETC-sponsored High Performance Power Systems (HIPPS) program headed by United Technologies Research Center has defined an indirectly-fired, coal-based combined-cycle power system design that achieves over 47% efficiency (HHV) using current power system technology. Additionally, advanced technology HIPPS using Humid Air Turbine (HAT) cycle gas turbines have been projected to have efficiencies approaching 55% (HHV). The HIPPS uses a High Temperature Advanced Furnace (HITAF) to preheat combustion turbine air to 925 C--1,150 C in a radiator section located in the furnace slagging zone and in a convection section located in the downstream portion. Additional heat for the turbine, if required in the cycle, is added by special low-NOx gas-fired combustors. A HITAF design has been successfully tested at the desired temperatures at the Energy and Environmental Research Center, Grand Forks, ND. The HIPPS concept with its advanced metallic air heater is a valuable technology candidate for Vision 21, the DOE's evolving plan to utilize coal and other fossil fuels in energy complexes producing power, chemicals, process heat and other byproducts. The HIPPS could be combined with other high efficiency components such as high temperature fuel cells, e.g., the solid oxide fuel cell (SOFC), resulting in hybrid power systems having overall electrical efficiencies greater than 60% (HHV) with significant energy input from coal or other solid fuel. These power plants would have near zero emissions with projected power costs below current coal-fired systems. Emissions of CO{sub 2}, an important greenhouse gas, will be drastically reduced by the higher efficiencies of HIPPS-based cycles. A very important early introduction application could result from the fact that HIPPS can be an attractive repowering technology. This would allow Vision 21 based technology to be applied to those plants that seek to continue using coal and other alternative solid fuels to capture the economic benefits of their low energy costs. Here, HIPPS adds high efficiency; increased capacity; load following and dispatching flexibility; as well as important environmental benefits to sites having existing fuel and transmission infrastructure.

Robson, F.L.; Ruby, J.D.; Seery, D.J.

2000-07-01T23:59:59.000Z

364

Fluorescent Pigments for High-Performance Cool Roofing and Facades  

Broader source: Energy.gov [DOE]

Lead Performer: PPG Industries - Pittsburgh, PA Partner: Lawrence Berkeley National Laboratory - Berkeley, CA

365

Distribution System Voltage Performance Analysis for High-Penetration Photovoltaics  

SciTech Connect (OSTI)

This report examines the performance of commonly used distribution voltage regulation methods under reverse power flow.

Liu, E.; Bebic, J.

2008-02-01T23:59:59.000Z

366

High-performance LED street lighting using microlens arrays  

Science Journals Connector (OSTI)

An efficient LED lamp that illuminates the street with high quality is presented. The luminaire shows high optical efficiency, high optical utilization factor, low glare, and...

Lee, Xuan-Hao; Moreno, Ivan; Sun, Ching-Cherng

2013-01-01T23:59:59.000Z

367

Java in the High Performance Computing Arena: Research, Practice and Experience  

E-Print Network [OSTI]

Java in the High Performance Computing Arena: Research, Practice and Experience Guillermo L interest in Java for High Performance Computing (HPC) is based on the appealing features of this language in HPC. Keywords: Java, High Performance Computing, Performance Evaluation, Multi-core Architectures

Fraguela, Basilio B.

368

Common marginal cold pools  

Science Journals Connector (OSTI)

This study examines marginal cold pools forming in a shallow valley. Marginal refers to cold pools that are generally weak and intermittent. Nineteen stations were instrumented with sonic anemometers and accurate slow-response temperature ...

L. Mahrt; Robert Heald

369

The performance of Lagrangian perturbation schemes at high resolution  

E-Print Network [OSTI]

We present high--spatial resolution studies of the density field as predicted by Lagrangian perturbation approximations up to the third order. The first--order approximation is equivalent to the ``Zel'dovich approximation'' for the type of initial data analyzed. The study is performed for two simple models which allow studying of typical features of the clustering process in the early non--linear regime. We calculate the initial perturbation potentials as solutions of Poisson equations algebraically, and automate this calculation for a given initial random density field. The presented models may also be useful for other questions addressed to Lagrangian perturbation solutions and for the comparison of different approximation schemes. In an accompanying paper we investigate a detailed comparison with various N--body integrators using these models (Karakatsanis \\& Buchert 1995). Results of the present paper include the following: 1. The collapse is accelerated significantly by the higher--order corrections confirming previous results by Moutarde \\etal (1991); 2. the spatial structure of the density patterns predicted by the ``Zel'dovich approximation'' differs much from those predicted by the second-- and third--order Lagrangian approximations; 3. Second--order effects amount to internal substructures such as ``second generation'' --pancakes, --filaments and --clusters, as are also observed in N--body simulations; 4. The third--order effect gives rise to substructuring of the secondary mass--shells. The hierarchy of shell--crossing singularities that form features small high--density clumps at the intersections of caustics which we interprete as gravitational fragmentation.

Thomas Buchert; Georgios Karakatsanis; Robert Klaffl; Peter Schiller

1995-10-25T23:59:59.000Z

370

Building America Webinar: High Performance Space Conditioning Systems, Part I  

Broader source: Energy.gov [DOE]

The webinar will focus on strategies to improve the performance of HVAC systems for low load homes and home performance retrofits. Presenters and specific topics for this webinar will be:

371

Building America Webinar: High Performance Space Conditioning Systems, Part II  

Broader source: Energy.gov [DOE]

The webinar will continue our series on strategies to improve the performance of HVAC systems for low load homes and home performance retrofits. Presenters and specific topics for this webinar...

372

Configurable Virtualized System Environments for High Performance Computing  

SciTech Connect (OSTI)

Existing challenges for current terascale high performance computing (HPC) systems are increasingly hampering the development and deployment efforts of system software and scientific applications for next-generation petascale systems. The expected rapid system upgrade interval toward petascale scientific computing demands an incremental strategy for the development and deployment of legacy and new large-scale scientific applications that avoids excessive porting. Furthermore, system software developers as well as scientific application developers require access to large-scale testbed environments in order to test individual solutions at scale. This paper proposes to address these issues at the system software level through the development of a virtualized system environment (VSE) for scientific computing. The proposed VSE approach enables ''plug-and-play'' supercomputing through desktop-to-cluster-to-petaflop computer system-level virtualization based on recent advances in hypervisor virtualization technologies. This paper describes the VSE system architecture in detail, discusses needed tools for VSE system management and configuration, and presents respective VSE use case scenarios.

Engelmann, Christian [ORNL; Scott, Stephen L [ORNL; Ong, Hong Hoe [ORNL; Vallee, Geoffroy R [ORNL; Naughton, III, Thomas J [ORNL

2007-01-01T23:59:59.000Z

373

High Performance Computing Modeling Advances Accelerator Science for High Energy Physics  

SciTech Connect (OSTI)

The development and optimization of particle accelerators are essential for advancing our understanding of the properties of matter, energy, space and time. Particle accelerators are complex devices whose behavior involves many physical effects on multiple scales. Therefore, advanced computational tools utilizing high-performance computing (HPC) are essential for accurately modeling them. In the past decade, the DOE SciDAC program has produced such accelerator-modeling tools, which have beem employed to tackle some of the most difficult accelerator science problems. In this article we discuss the Synergia beam-dynamics framework and its applications to high-intensity particle accelerator physics. Synergia is an accelerator simulation package capable of handling the entire spectrum of beam dynamics simulations. We present the design principles, key physical and numerical models in Synergia and its performance on HPC platforms. Finally, we present the results of Synergia applications for the Fermilab proton source upgrade, known as the Proton Improvement Plan (PIP).

Amundson, James; Macridin, Alexandru; Spentzouris, Panagiotis

2014-04-29T23:59:59.000Z

374

High-Performance Refrigerator Using Novel Rotating Heat Exchanger  

Broader source: Energy.gov [DOE]

Lead Performer: Oak Ridge National Laboratory Oak Ridge, TNPartners:-- University of Maryland College Park, MD-- Sandia National Laboratory Livermore, CA

375

Best Practices Guide for High-Performance Indian Office Buildings  

E-Print Network [OSTI]

targets during building modeling (design phase) and both for building modeling (design phase) and performing building energy simulation and modeling

Singh, Reshma

2014-01-01T23:59:59.000Z

376

Revisit of Energy Use and Technologies of High Performance Buildings  

E-Print Network [OSTI]

Energy performance of LEED for new construction buildings:New Buildings Institute.New Buildings Institute. 2013. Buildings database, http://

Li Ph.D., Cheng

2014-01-01T23:59:59.000Z

377

Development and Implementation of 3-D, High Speed Capacitance Tomography for Imaging Large-Scale, Cold-Flow Circulating Fluidized Bed  

SciTech Connect (OSTI)

A detailed understanding of multiphase flow behavior inside a Circulating Fluidized Bed (CFB) requires a 3-D technique capable of visualizing the flow field in real-time. Electrical Capacitance Volume Tomography (ECVT) is a newly developed technique that can provide such measurements. The attractiveness of the technique is in its low profile sensors, fast imaging speed and scalability to different section sizes, low operating cost, and safety. Moreover, the flexibility of ECVT sensors enable them to be designed around virtually any geometry, rendering them suitable to be used for measurement of solid flows in exit regions of the CFB. Tech4Imaging LLC has worked under contract with the U.S. Department of Energy??s National Energy Technology Laboratory (DOE NETL) to develop an ECVT system for cold flow visualization and install it on a 12 inch ID circulating fluidized bed. The objective of this project was to help advance multi-phase flow science through implementation of an ECVT system on a cold flow model at DOE NETL. This project has responded to multi-phase community and industry needs of developing a tool that can be used to develop flow models, validate computational fluid dynamics simulations, provide detailed real-time feedback of process variables, and provide a comprehensive understating of multi-phase flow behavior. In this project, a complete ECVT system was successfully developed after considering different potential electronics and sensor designs. The system was tested at various flow conditions and with different materials, yielding real-time images of flow interaction in a gas-solid flow system. The system was installed on a 12 inch ID CFB of the US Department of Energy, Morgantown Labs. Technical and economic assessment of Scale-up and Commercialization of ECVT was also conducted. Experiments conducted with larger sensors in conditions similar to industrial settings are very promising. ECVT has also the potential to be developed for imaging multi-phase flow systems in high temperature and high pressure conditions, typical in many industrial applications.

Qussai Marashdeh

2012-09-30T23:59:59.000Z

378

Providing Green SLAs in High Performance Computing Clouds  

E-Print Network [OSTI]

AbstractDemand for clean products and services is increasing as society is becoming increasingly aware of climate change. In response, many enterprises are setting explicit sustainability goals and implementing initiatives to reduce carbon emissions. Quantification and disclosure of such goals and initiatives have become important marketing tools. As enterprises and individuals shift their workloads to the cloud, this drive toward quantification and disclosure will lead to demand for quantifiable green cloud services. Thus, we argue that cloud providers should offer a new class of green services, in addition to existing (energy-sourceoblivious) services. This new class would provide clients with explicit service-level agreements (which we call Green SLAs) for the percentage of renewable energy used to run their workloads. In this paper, we first propose an approach for High Performance Computing cloud providers to offer such a Green SLA service. Specifically, each client job specifies a Green SLA, which is the minimum percentage of green energy that must be used to run the job. The provider earns a premium for meeting the Green SLA, but is penalized if it accepts the job but violates the Green SLA. We then propose (1) a power distribution and control infrastructure that uses a small amount of hardware to support Green SLAs, (2) an optimization-based framework for scheduling jobs and power sources that maximizes provider profits while respecting Green SLAs, and (3) two scheduling policies based on the framework. We evaluate our framework and policies extensively through simulations. Our main results show the tradeoffs between our policies, and their advantages over simpler greedy heuristics. We conclude that a Green SLA service that uses our policies would enable the provider to attract environmentally conscious clients, especially those who require strict guarantees on their use of green energy. I.

Md. E. Haque; Kien Le; igo Goiri; Ricardo Bianchini; Thu D. Nguyen

379

Memorandum of American High-Performance Buildings Coalition DOE...  

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

organizations committed to promoting performance-based energy efficiency and sustainable building standards developed through true, consensus-bases processes, and the U.S....

380

High Performance Building Facade Solutions PIER Final Project Report  

E-Print Network [OSTI]

compare systems and understand energy trade- offs for faadecompare systems and understand energy trade- offs for faadeoptimize energy-demand-daylight-comfort performance trade-

Lee, Eleanor

2011-01-01T23:59:59.000Z

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


381

Enhanced High and Low Temperature Performance of NOx Reduction...  

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

and Low Temperature Performance of NOx Reduction Materials 2013 DOE AMR Review This presentation does not contain any proprietary, confidential, or otherwise restricted...

382

High Performance Building Facade Solutions PIER Final Project Report  

E-Print Network [OSTI]

Subject responses to electrochromic windows. Energy andhttp://windows.lbl.gov/comm_perf/Electrochromic/refs/LBNL_energy performance of electrochromic windows controlled for

Lee, Eleanor

2011-01-01T23:59:59.000Z

383

Webinar: High Performance Enclosure Strategies: Part I. Existing Homes  

Broader source: Energy.gov [DOE]

The webinar will focus on specific Building America projects that have studied technical solutions to retrofit building enclosures to improve energy and durability performance. Presenters will...

384

High Performance, Low Cost Hydrogen Generation from Renewable...  

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

Performance, Low Cost Hydrogen Generation from Renewable Energy 2011 DOE Hydrogen and Fuel Cells Program, and Vehicle Technologies Program Annual Merit Review and Peer...

385

Flourescent Pigments for High-Performance Cool Roofing and Facades...  

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

class of dark-colored pigments for cool metal roof and faade coatings that incorporate near-infrared fluorescence and reflectance to improve energy performance. Image: PPG...

386

A Facile Approach Using MgCl2 to Formulate High Performance Mg2...  

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

Using MgCl2 to Formulate High Performance Mg2+ Electrolytes for Rechargeable Mg Batteries. A Facile Approach Using MgCl2 to Formulate High Performance Mg2+ Electrolytes for...

387

Simulation of cardiac electrophysiology on next-generation high-performance computers  

Science Journals Connector (OSTI)

...issues, are described. cardiac simulation|high-performance computing|finite elements|spectral elements|adaptive...adaptivity, the FE method is preferred in the high-performance computing (HPC) strategy described in this work. On...

2009-01-01T23:59:59.000Z

388

Multi-scale problems, high performance computing and hybrid numerical methods  

E-Print Network [OSTI]

Multi-scale problems, high performance computing and hybrid numerical methods G. Balarac, G of High Performance Computing G. Balarac LEGI, CNRS and Universit´e de Grenoble, BP 53, 38041 Grenoble

Cottet, Georges-Henri

389

Multi-scale problems, high performance computing and hybrid numerical methods  

E-Print Network [OSTI]

Multi-scale problems, high performance computing and hybrid numerical methods G. Balarac, G of High Performance Computing (HPC) is not anymore restricted to academia and scientific grand challenges

Paris-Sud XI, Université de

390

A scalable silicon photonic chip-scale optical switch for high performance computing systems  

E-Print Network [OSTI]

A scalable silicon photonic chip-scale optical switch for high performance computing systems-scale optical switch for scalable interconnect network in high performance computing systems. The proposed

Yoo, S. J. Ben

391

Participation by Columbia Researchers in Shared Central High Performance Computing (HPC) Resources  

E-Print Network [OSTI]

) to create a shared central high performance computing (HPC) cluster, ColumbiaParticipation by Columbia Researchers in Shared Central High Performance Computing (HPC) Resources Shared Research Computing Policy Advisory Committee (SRCPAC) Chair, Professor

Champagne, Frances A.

392

Investigating the Mobility of Light Autonomous Tracked Vehicles Using a High Performance Computing  

E-Print Network [OSTI]

Investigating the Mobility of Light Autonomous Tracked Vehicles Using a High Performance Computing limiting the scope and impact of high performance computing (HPC). This scenario is rapidly changing due

393

Project Profile: Maintenance-Free Stirling Engine for High-Performance...  

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

Maintenance-Free Stirling Engine for High-Performance Dish CSP Project Profile: Maintenance-Free Stirling Engine for High-Performance Dish CSP Image of a prototype 30-kW Stirling...

394

High-Performance Sustainable Building Design for New Construction and Major  

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

Sustainable Buildings & Campuses » Sustainable Buildings & Campuses » High-Performance Sustainable Building Design for New Construction and Major Renovations High-Performance Sustainable Building Design for New Construction and Major Renovations October 4, 2013 - 4:52pm Addthis New construction and major renovations to existing buildings offer Federal agencies opportunities to create sustainable high-performance buildings. High-performance buildings can incorporate energy-efficient designs, sustainable siting and materials, and renewable energy technologies along with other innovative strategies. Also see Guiding Principles for Federal Leadership in High-Performance and Sustainable Buildings. Performance-Based Design Build Typically, architects, engineers, and project managers consider the

395

Performance and Reliability of Bonded Interfaces for High-Temperature Packaging (Presentation)  

SciTech Connect (OSTI)

This presentation reviews the status of the performance and reliability of bonded interfaces for high-temperature packaging.

Devoto, D.

2014-06-01T23:59:59.000Z

396

Handbook for Planning and Conducting Charrettes for High-Performance Projects: Second Edition  

SciTech Connect (OSTI)

This handbook furnishes guidance for planning and conducting a high-performance building charrette, sometimes called a "greening charrette."

Lindsay, G.; Todd, J. A.; Hayter, S. J.; Ellis, P. G.

2009-09-01T23:59:59.000Z

397

Federal Leadership in High Performance and Sustainable Buildings Memorandum of Understanding  

Broader source: Energy.gov [DOE]

Document details the Memorandum of Understanding that committed Federal agencies to designing, constructing, and operating high-performance, sustainable buildings.

398

High performance computing and the simplex method Julian Hall, Qi Huangfu and Edmund Smith  

E-Print Network [OSTI]

High performance computing and the simplex method Julian Hall, Qi Huangfu and Edmund Smith School of Mathematics University of Edinburgh 12th April 2011 High performance computing and the simplex method #12;The... ... but methods for all three depend on it! High performance computing and the simplex method 1 #12;Overview · LP

Hall, Julian

399

Third International Workshop on Software Engineering for High Performance Computing (HPC) Applications  

E-Print Network [OSTI]

Third International Workshop on Software Engineering for High Performance Computing (HPC, and financial modeling. The TOP500 website (http://www.top500.org) lists the top 500 high performance computing to define new ways of measuring high performance computing systems that take into account not only the low

Carver, Jeffrey C.

400

For Immediate Release AUB to develop its high performance computing capacities in the  

E-Print Network [OSTI]

For Immediate Release AUB to develop its high performance computing capacities in the service steps to become a high performance computing center that will be able to process massive amounts thousands of servers. According to Wikipedia, supercomputers, or high performance computing, play

Shihadeh, Alan

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


401

Modeling and Simulation Environment for Photonic Interconnection Networks in High Performance Computing  

E-Print Network [OSTI]

at the scale of high performance computer clusters and warehouse scale data centers, system level simulations and results for rack scale photonic interconnection networks for high performance computing. Keywords: optical to the newsworthy power consumption [3], latency [4] and bandwidth challenges [5] of high performance computing (HPC

Bergman, Keren

402

Judging the Impact of Conference and Journal Publications in High Performance Computing  

E-Print Network [OSTI]

Judging the Impact of Conference and Journal Publications in High Performance Computing dimensions that count most, conferences are superior. This is particularly true in high performance computing and are never published in journals. The area of high performance computing is broad, and we divide venues

Zhou, Yuanyuan

403

High Performance Computing in the Life/Medical SciencesVirginiaBioinformaticsInstitute  

E-Print Network [OSTI]

High Performance Computing in the Life/Medical SciencesVirginiaBioinformaticsInstitute 2 week in high performance computing and data intensive computing 4. basic knowledge of relational databases (i Program Dates: July 17 - 25 Application deadline is March 30, 2012 High Performance Computing in the Life

Virginia Tech

404

10 January 2009 PHOTOGRAMMETRIC ENGINEERING & REMOTE SENSING High Performance Computing in Remote Sensing  

E-Print Network [OSTI]

10 January 2009 PHOTOGRAMMETRIC ENGINEERING & REMOTE SENSING High Performance Computing in Remote Book ReviewBook Review High Performance Computing in Remote Sensing introduces the most recent advances in the incorporation of the high-performance computing (HPC) paradigm in remote sensing missions. Eighteen well

Plaza, Antonio J.

405

A Multi-core High Performance Computing Framework for Probabilistic Solutions of  

E-Print Network [OSTI]

1 A Multi-core High Performance Computing Framework for Probabilistic Solutions of Distribution. In this paper we developed a generally applicable high performance computing framework for Monte Carlo--Distribution systems, high performance comput- ing, Monte Carlo simulation, probabilistic load flow, renewable energy

Franchetti, Franz

406

PRESENT AND FUTURE OF HIGH PERFORMANCE COMPUTING Trends, Challenges, and Opportunities  

E-Print Network [OSTI]

PRESENT AND FUTURE OF HIGH PERFORMANCE COMPUTING Trends, Challenges, and Opportunities November 17 laboratories of the HPC facilities and resources. First, the EPFL high performance computing facilities of Modeling and Simulation through High Performance Computing. Leading research activities of various groups

Ceragioli, Francesca

407

Event Services for High Performance Computing Greg Eisenhauer Fabian E. Bustamante Karsten Schwan  

E-Print Network [OSTI]

Event Services for High Performance Computing Greg Eisenhauer Fabi´an E. Bustamante Karsten Schwan,fabianb,schwang@cc.gatech.edu Abstract The Internet and the Grid are changing the face of high performance computing. Rather than tightly computing has been a strong fo- cus of research in high performance computing. This has resulted

Kuzmanovic, Aleksandar

408

High Performance Computing Environment P.G.Senapathy Centre for Computing Resources,  

E-Print Network [OSTI]

High Performance Computing Environment P.G.Senapathy Centre for Computing Resources, Computer Centre, IIT Madras. User id Requisition Form for High Performance Computing on Virgo Super Cluster.iitm.ac.in for information on High Performance Computing Environment. Email your suggestions/problems to hpce@iitm.ac.in. 11

Krishnapura, Nagendra

409

UNIVERSITY OF SOUTHERN CALIFORNIA CSCI 653 (High Performance Computing and Simulations) : Fall 2013  

E-Print Network [OSTI]

UNIVERSITY OF SOUTHERN CALIFORNIA CSCI 653 (High Performance Computing and Simulations) : Fall 2013 Performance Computing and Simulations). My PhD work is in the area of resiliency for future Exascale High. 2 DESCRIPTION OF AN HPCS APPLICATION Simulation of Large Scale High Performance Computing System

Southern California, University of

410

MAUI HIGH PERFORMANCE COMPUTING CENTER 550 Lipoa Parkway, Kihei-Maui, HI 96753  

E-Print Network [OSTI]

MAUI HIGH PERFORMANCE COMPUTING CENTER i 550 Lipoa Parkway, Kihei-Maui, HI 96753 (808) 879-5077 · Fax: (808) 879-5018 E-mail: info@mhpcc.hpc.mil URL: www.mhpcc.hpc.mil MAUI HIGH PERFORMANCE COMPUTING This is the fourteenth annual edition of Maui High Performance Computing Center's (MHPCC) Application Briefs which

Olsen, Stephen L.

411

High Performance Computing (HPC) Survey 1. Choose the category that best describes you  

E-Print Network [OSTI]

High Performance Computing (HPC) Survey 1. Choose the category that best describes you Response on your (home or work) computer to access the High Performance Computing Facilities (HPC) - (tick all High Performance Computing (HPC) Facilities? Response Percent Response Count Daily 26.7% 23 Weekly 27

Martin, Stephen John

412

A Pilot Study to Evaluate Development Effort for High Performance Computing  

E-Print Network [OSTI]

1 A Pilot Study to Evaluate Development Effort for High Performance Computing Victor Basili1 the development time for programs written for high performance computers (HPC). To attack this relatively novel students in a graduate level High Performance Computing class at the University of Maryland. We collected

Basili, Victor R.

413

1st International Workshop on High Performance Computing, Networking and Analytics for the Power Grid  

E-Print Network [OSTI]

1st International Workshop on High Performance Computing, Networking and Analytics for the Power Transient Stability" #12;1st International Workshop on High Performance Computing, Networking and Analytics (University of Vermont). "Developing a Dynamic Model of Cascading Failure for High Performance Computing using

414

An AWGR based Low-Latency Optical Switch for Data Centers and High Performance Computing Systems  

E-Print Network [OSTI]

i An AWGR based Low-Latency Optical Switch for Data Centers and High Performance Computing Systems based optical switch for data centers and high performance computing systems that builds upon several for Data Centers and High Performance Computing Systems ..i ABSTRACT .....................................

Kolner, Brian H.

415

High-performance computing in the chemistry and physics of materials  

Science Journals Connector (OSTI)

...Special feature 1005 117 45 High-performance computing in the chemistry and physics...London WC1H OAJ, UK High performance computing (HPC) is now a key enabling...exploited the UKs national high-performance computing facilities-over two...

2011-01-01T23:59:59.000Z

416

ViperVM: a Runtime System for Parallel Functional High-Performance Computing on Heterogeneous Architectures  

E-Print Network [OSTI]

.henry@labri.fr Abstract The current trend in high-performance computing is to use het- erogeneous architectures (i-performance computer design has shifted from high-frequency multi-core architectures to heterogeneous archi- tecturesViperVM: a Runtime System for Parallel Functional High-Performance Computing on Heterogeneous

Paris-Sud XI, Université de

417

High-Performance Sorbents for Carbon Dioxide Capture from Air  

SciTech Connect (OSTI)

This project has focused on capture of CO{sub 2} from ambient air (air capture). If this process is technically and economically feasible, it could potentially contribute to net reduction of CO{sub 2} emissions in ways that are complementary to better developed techniques for CO{sub 2} from concentrated point sources. We focused on cyclic adsorption processes for CO{sub 2} capture from air in which the entire cycle is performed at moderate temperatures. The project involved both experimental studies of sorbent materials and process level modeling of cyclic air capture processes. In our experimental work, a series of amine-functionalized silica adsorbents were prepared and characterized to determine the impact of molecular architecture on CO{sub 2} capture. Some key findings were: Amine functionalized silicas can be prepared with high enough CO{sub 2} capacities under ambient conditions to merit consideration for use in air capture processes. Primary amines are better candidates for CO{sub 2} capture than secondary or tertiary amines, both in terms of amine efficiency for CO{sub 2} adsorption and enhanced water affinity. Mechanistic understanding of degradation of these materials can enable control of molecular architecture to significantly improve material stability. Our process modeling work provided the first publically available cost and energy estimates for cyclic adsorption processes for air capture of CO{sub 2}. Some key findings were: Cycles based on diurnal ambient heating and cooling cannot yield useful purities or amounts of captured CO{sub 2}. Cycles based on steam desorption at 110 oC can yield CO{sub 2} purities of ~88%. The energy requirements for cycles using steam desorption are dominated by needs for thermal input, which results in lower costs than energy input in the form of electricity. Cyclic processes with operational costs of less than $100 tCO{sub 2}-net were described, and these results point to process and material improvements that could substantially reduce these costs. The most critical conclusions from our work are that (i) CO{sub 2} capture from ambient air using moderate temperature cyclic adsorption processes is technically feasible and (ii) the operational costs of realistic versions of these processes are moderate enough to encourage future development of this technology. Because of the very modest net investment that has been made in R&D associated with this approach from all sources worldwide (relative to the massive public and private investment that has been made in technologies for CO{sub 2} from concentrated point sources), our results strongly suggest that continued development of air capture is justified.

Sholl, David; Jones, Christopher

2013-03-13T23:59:59.000Z

418

MapGraph: A High Level API for Fast Development of High Performance Graph Analytics on GPUs  

Science Journals Connector (OSTI)

High performance graph analytics are critical for a long list of application domains. In recent years, the rapid advancement of many-core processors, in particular graphical processing units (GPUs), has sparked a broad interest in developing high performance ... Keywords: GPU, Graph analytics, high-level API

Zhisong Fu; Michael Personick; Bryan Thompson

2014-06-01T23:59:59.000Z

419

High Performance Computing Systems for Autonomous Spaceborne Missions  

Science Journals Connector (OSTI)

Future-generation space missions across the solar system to the planets, moons, asteroids, and comets may someday incorporate supercomputers both to expand the range of missions being conducted and to significantly reduce their cost. By performing science ...

Thomas Sterling; Daniel S. Katz; Larry Bergman

2001-08-01T23:59:59.000Z

420

Project Profile: High Performance Reflector Panels for CSP Assemblies  

Broader source: Energy.gov [DOE]

PPG, under the CSP R&D FOA, is aiming to develop and commercialize large-area second-surface glass mirrors that are superior in value, cost, and performance, to existing mirrors on the market today.

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


421

Natural Refrigerant High-Performance Heat Pump for Commercial Applications  

Broader source: Energy.gov [DOE]

Lead Performer: S-RAM - Franklin, TN Partners: -- Oak Ridge National Laboratory - Oak Ridge, TN -- Purdue University - West Lafayette, IN -- ReGen Power - Canning Vale 6155, Western Australia

422

High Performance Building Facade Solutions PIER Final Project Report  

E-Print Network [OSTI]

to attain the ambitious net zero energy goals defined bywere found to yield net zero energy levels of performance inA/ E teams to reach net zero energy goals by enabling use of

Lee, Eleanor

2011-01-01T23:59:59.000Z

423

Commissioning High Performance Residences in Hot, Humid Climates  

E-Print Network [OSTI]

is individually designed, inspected, rated and commissioned for optimum performance. This paper summarizes the experiences to date with two production builders who have cost shared with the Building America program to deliver these outstanding results. Keys...

Fonorow, K.; Chandra, S.; McIlvaine, J.; Colon, C.

2007-01-01T23:59:59.000Z

424

ZERH WEBINAR: HIGH-PERFORMANCE HOME SALES TRAINING PART II  

Broader source: Energy.gov [DOE]

The U.S. Department of Energy Zero Energy Ready Home (ZERH) Program represents a whole new level of home performance, with rigorous requirements that ensure outstanding levels of energy savings,...

425

ZERH Webinar: High-Performance Home Sales Training Part I  

Broader source: Energy.gov [DOE]

The U.S. Department of Energy Zero Energy Ready Home (ZERH) Program represents a whole new level of home performance, with rigorous requirements that ensure outstanding levels of energy savings,...

426

Design and analysis of high performance multistage interconnection networks  

E-Print Network [OSTI]

an analytical model to compare its performance with the existing designs reported in the literature. We validate on model with extensive simulation studies. Index Terms - Multistage interconnection networks, packet switching, static buffer allocation, dynamic...

Bhogavilli, Suresh K

2012-06-07T23:59:59.000Z

427

Cold isopressing method  

DOE Patents [OSTI]

A cold isopressing method in which two or more layers of material are formed within an isopressing mold. One of the layers consists of a tape-cast film. The layers are isopressed within the isopressing mold, thereby to laminate the layers and to compact the tape-cast film. The isopressing mold can be of cylindrical configuration with the layers being coaxial cylindrical layers. The materials used in forming the layers can contain green ceramic materials and the resultant structure can be fired and sintered as necessary and in accordance with known methods to produce a finished composite, ceramic structure. Further, such green ceramic materials can be of the type that are capable of conducting hydrogen or oxygen ions at high temperature with the object of utilizing the finished composite ceramic structure as a ceramic membrane element.

Chen, Jack C. (Getzville, NY); Stawisuck, Valerie M. (North Tonawanda, NY); Prasad, Ravi (East Amherst, NY)

2003-01-01T23:59:59.000Z

428

Cogeneration and community design: performance based model for optimization of the design of U.S. residential communities utilizing cogeneration systems in cold climates  

E-Print Network [OSTI]

utilized to assess the impact of each parameter on cogeneration system performance and to optimize the community design to improve that performance. Assessment procedures included: developing a base-line model representing typical design characteristics...

Rashed Ali Atta, Hazem Mohamed

2009-06-02T23:59:59.000Z

429

Influence of high voltage atmospheric cold plasma process parameters and role of relative humidity on inactivation of Bacillus atrophaeus spores inside a sealed package  

Science Journals Connector (OSTI)

SummaryBackground Non-thermal plasma has received much attention for elimination of microbial contamination from a range of surfaces. Aim This study aimed to determine the effect of a range of dielectric barrier discharge high voltage atmospheric cold plasma (HVACP) parameters for inactivation of Bacillus atrophaeus spores inside a sealed package. Methods A sterile polystyrene Petri dish containing B.atrophaeus spore strip (spore population 2.3נ106/strip i.e. 6.36 log10/strip) was placed in a sealed polypropylene container and was subjected to HVACP treatment. The HVACP discharge was generated between two aluminium plate electrodes using a high voltage of 70kVRMS. The effects of process parameters, including treatment time, mode of exposure (direct/indirect), and working gas types, were evaluated. The influence of relative humidity on HVACP inactivation efficacy was also assessed. The inactivation efficacy was evaluated using colony counts. Optical absorption spectroscopy (OAS) was used to assess gas composition following HVACP exposure. Findings A strong effect of process parameters on inactivation was observed. Direct plasma exposure for 60s resulted in ?6 log10 cycle reduction of spores in all gas types tested. However, indirect exposure for 60s resulted in either 2.1 or 6.3 log10 cycle reduction of spores depending on gas types used for HVACP generation. The relative humidity (RH) was a critical factor in bacterial spore inactivation by HVACP, where a major role of plasma-generated species other than ozone was noted. Direct and indirect HVACP exposure for 60s at 70% RH recorded 6.3 and 5.7 log10 cycle reduction of spores, respectively. Conclusion In summary, a strong influence of process parameters on spore inactivation was noted. Rapid in-package HVACP inactivation of bacterial spores within 3060s demonstrates the promising potential application for reduction of spores on medical devices and heat-sensitive materials.

S. Patil; T. Moiseev; N.N. Misra; P.J. Cullen; J.P. Mosnier; K.M. Keener; P. Bourke

2014-01-01T23:59:59.000Z

430

Structural Engineering Seminar Series Ultra-High Performance Concrete Construction  

E-Print Network [OSTI]

performance and resistance against environmental degradation. UHPC is defined as a concrete fiber composite for Our Future Infrastructure? by Kay Wille, PhD Assistant Professor, Civil and Environmental Engineering and conference proceedings. It has been used in various forms in structural and architectural elements, as a bond

Kamat, Vineet R.

431

High performance batteries with carbon nanomaterials and ionic liquids  

DOE Patents [OSTI]

The present invention is directed to lithium-ion batteries in general and more particularly to lithium-ion batteries based on aligned graphene ribbon anodes, V.sub.2O.sub.5 graphene ribbon composite cathodes, and ionic liquid electrolytes. The lithium-ion batteries have excellent performance metrics of cell voltages, energy densities, and power densities.

Lu, Wen (Littleton, CO)

2012-08-07T23:59:59.000Z

432

Trends in high-performance computing for engineering calculations  

Science Journals Connector (OSTI)

...as GPUs, such as video/audio streaming, graphics applications...maximizing the performance of engineering applications. There is insufficient...dynamics users Many people in engineering are in the situation of being...systems used in computational engineering are generally much smaller...

2014-01-01T23:59:59.000Z

433

Towards High Performance CORBA and MPI Middlewares for Grid Computing  

Science Journals Connector (OSTI)

Due to the high level of heterogeneity in a computational Grid, designing a runtime system for such computing infrastructure is extremely challenging, for example regarding the ability to exploit transparently and efficiently various networking technologies. ...

Alexandre Denis; Christian Prez; Thierry Priol

2001-11-01T23:59:59.000Z

434

Building America Webinar: High-Performance Enclosure Strategies...  

Energy Savers [EERE]

and Innovative Advanced Framing Strategies February 12, 2015 3:00PM to 4:30PM EST This free webinar will focus on on methods to design and build roof and wall systems for high...

435

Thermal Management of High-Performance Lithium-Ion Batteries  

Science Journals Connector (OSTI)

The battery power and lifetime depend to a large...cool...) is usually reduced using a high volumetric flow rate. Lathin technology from Behr ensures efficient temperature homogenisation (locally adapted thermal ...

Dr.-Ing. Matthias Stripf; Dr.-Ing. Manuel Wehowski

2012-01-01T23:59:59.000Z

436

Enhanced High Temperature Performance of NOx Storage/Reduction...  

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

1 DOE Hydrogen and Fuel Cells Program, and Vehicle Technologies Program Annual Merit Review and Peer Evaluation ace026peden2011o.pdf More Documents & Publications Enhanced High...

437

18 INTERNATIONAL CONFERENCE ON HIGH PERFORMANCE COMPUTING (HIPC 2011)  

E-Print Network [OSTI]

of the conference, 4 workshops will be hosted on Sunday, December 18, 2011. > Workshop on Energy Efficient High the state of-the-art in HPC platforms and technologies, for discussing best practices and for exchanging

Choudhary, Alok

438

Evaluation of high rotary speed drill bit performance  

E-Print Network [OSTI]

of this research was to develop a drilling model which would more accurately predict penetration rates with standard drilling parameters. An accurate model was developed using laboratory drilling performance. A secondary result of this research was a qualitative... analysis showed that the model may be used to qualita- tivelyy match drilled formations to offset well logs. The ratio of actual to predicted penetration rate was used in conjunction with the gamma ray log to correlate the location of formations. iv...

Ray, Randy Wayne

2012-06-07T23:59:59.000Z

439

Development of a Beowulf-Class High Performance Computing System for Computational Science Applications  

E-Print Network [OSTI]

Using Beowulf cluster computing technology, the Ateneo High Performance Computing Group has developed a high performance computing system consisting of eight compute nodes. Called the AGILA HPCS this Beowulf cluster computer is designed for computational science applications. In this paper, we present the motivation for the AGILA HPCS and some results on its performance evaluation.

Rafael Saldaa; Jerrold Garcia; Felix Muga Ii; William Yu

2001-01-01T23:59:59.000Z

440

Reliable High Performance Peta- and Exa-Scale Computing  

SciTech Connect (OSTI)

As supercomputers become larger and more powerful, they are growing increasingly complex. This is reflected both in the exponentially increasing numbers of components in HPC systems (LLNL is currently installing the 1.6 million core Sequoia system) as well as the wide variety of software and hardware components that a typical system includes. At this scale it becomes infeasible to make each component sufficiently reliable to prevent regular faults somewhere in the system or to account for all possible cross-component interactions. The resulting faults and instability cause HPC applications to crash, perform sub-optimally or even produce erroneous results. As supercomputers continue to approach Exascale performance and full system reliability becomes prohibitively expensive, we will require novel techniques to bridge the gap between the lower reliability provided by hardware systems and users unchanging need for consistent performance and reliable results. Previous research on HPC system reliability has developed various techniques for tolerating and detecting various types of faults. However, these techniques have seen very limited real applicability because of our poor understanding of how real systems are affected by complex faults such as soft fault-induced bit flips or performance degradations. Prior work on such techniques has had very limited practical utility because it has generally focused on analyzing the behavior of entire software/hardware systems both during normal operation and in the face of faults. Because such behaviors are extremely complex, such studies have only produced coarse behavioral models of limited sets of software/hardware system stacks. Since this provides little insight into the many different system stacks and applications used in practice, this work has had little real-world impact. My project addresses this problem by developing a modular methodology to analyze the behavior of applications and systems during both normal and faulty operation. By synthesizing models of individual components into a whole-system behavior models my work is making it possible to automatically understand the behavior of arbitrary real-world systems to enable them to tolerate a wide range of system faults. My project is following a multi-pronged research strategy. Section II discusses my work on modeling the behavior of existing applications and systems. Section II.A discusses resilience in the face of soft faults and Section II.B looks at techniques to tolerate performance faults. Finally Section III presents an alternative approach that studies how a system should be designed from the ground up to make resilience natural and easy.

Bronevetsky, G

2012-04-02T23:59:59.000Z

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


441

High performance acoustic three-dimensional image processing system  

SciTech Connect (OSTI)

The reactor vessel of a fast breeder reactor (FBR) is filled with optically opaque liquid sodium, and, therefore, the ultrasonic imaging technique is useful for inspecting in-vessel structures in sodium. The authors have developed a high-speed and high-resolution three-dimensional image processing technique. For imaging in the sodium, a two-dimensional matrix transducer and the M-series transmitting signal were used. The cross correlation processing between the transmitted signal and received signal was used for enhancing the S/N ratio. The image synthesis also attempts the enhancement of resolution by the synthetic aperture focusing technique (SAFT). High-speed processing could be realized by use of parallel processing boards.

Suzuki, T.; Nagai, S.; Maruyama, F. [Toshiba Corp., Yokohama (Japan); Furukawa, H. [JEOL System Technology Co., Ltd., Tokyo (Japan)

1995-08-01T23:59:59.000Z

442

Development of High Performance Fluxomics Tools for Microbial Metabolism Analysis  

E-Print Network [OSTI]

,Ph.D. Dept.ofEnergy,Environmental&ChemicalEngineering WashingtonUniversityinSt.Louis Mar5th,2012 #12;Energy Engineering for bioenergy and chemicals Transcriptomics Proteomics FluxomicsMetabolomics #12;Metabolic Flux MicrobesFlux: a web platform for high-throughput model drafting · 13C tracer experiments and computational

Subramanian, Venkat

443

High performance CMOS integrated circuits for optical receivers  

E-Print Network [OSTI]

.7GHz for a 0.6pF photodiode capacitance. The power dissipations for the highest and the lowest gains are 8.2mW and 24.9mW respectively. A new technique for designing uniform multistage amplifiers (MA) for high frequency applications is introduced...

SamadiBoroujeni, MohammadReza

2009-05-15T23:59:59.000Z

444

A high-performance cryogenic amplifier based on a radio-frequency single electron transistor  

E-Print Network [OSTI]

A high-performance cryogenic amplifier based on a radio-frequency single electron transistor K, Sweden Received 23 May 2002; accepted 24 October 2002 We demonstrate a high-performance cryogenic-chip integrability, make it a good candidate for a general-purpose cryogenic amplifier for high impedance sources. We

Segall, Ken

445

An integrated performance model for high temperature gas cooled reactor coated particle fuel  

E-Print Network [OSTI]

The performance of coated fuel particles is essential for the development and deployment of High Temperature Gas Reactor (HTGR) systems for future power generation. Fuel performance modeling is indispensable for understanding ...

Wang, Jing, 1976-

2004-01-01T23:59:59.000Z

446

Performance testing and internal probe measurements of a high specific impulse Hall thruster  

E-Print Network [OSTI]

The BHT-1000 high specific impulse Hall thruster was used for performance testing and internal plasma measurements to support the ongoing development of computational models. The thruster was performance tested in both ...

Warner, Noah Zachary, 1978-

2003-01-01T23:59:59.000Z

447

High-performance anode based on porous Co3O4 nanodiscs. | EMSL  

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

performance anode based on porous Co3O4 nanodiscs. High-performance anode based on porous Co3O4 nanodiscs. Abstract: In this article, two-dimensional, Co3O4 hexagonal nanodiscs are...

448

Machine Learning Techniques for High Performance Engine Calibration  

E-Print Network [OSTI]

in pressure, due to Bernoulli's Principle, would draw fuel from jets, or orifices in the carburetor. The larger the pressure drop, the more fuel would mix with the airstream. While this is a rather simple system, it does not add precisely measured amounts... to accurately model the behavior of complex systems such as internal combustion engines [11]. It claims to utilize newly developed statistical learning procedures [11] that lead to a high model accuracy. However, the cost to license this software puts...

Van Horn, Adam Kenton

2014-05-31T23:59:59.000Z

449

High-Performance Solid Acid Fuel Cells Through  

E-Print Network [OSTI]

orders of magnitude, reaching values as high as 10­2 ohm­1 cm­1 . Both the transition and the ion) Controversy over the superprotonic phase transition behavior in CsH2PO4 has recently been resolved (6 hydrogen- bonded oxyanions, often tetrahedral (such as SO4, SeO4, PO4, and AsO4), and metal cat- ions

450

Performance of ALICE pixel prototypes in high energy beams  

E-Print Network [OSTI]

The two innermost layers of the ALICE inner tracking system are instrumented with silicon pixel detectors. Single chip assembly prototypes of the ALICE pixels have been tested in high energy particle beams at the CERN SPS. Detection efficiency and spatial precision have been studied as a function of the threshold and the track incidence angle. The experimental method, data analysis and main results are presented.

D. Elia

2005-12-20T23:59:59.000Z

451

High performance RF and baseband building blocks for wireless receivers  

E-Print Network [OSTI]

Studies of Texas A&M University in partial fulfillment of the requirements for the degree of DOCTOR OF PHILOSOPHY Approved by: Chair of Committee, Edgar Snchez-Sinencio Committee Members, Jose Silva-Martinez Laszlo Bela..., M.S., Tehran University Chair of Advisory Committee: Dr. Edgar Snchez-Sinencio Because of the unique architecture of wireless receivers, a designer must understand both the high frequency aspects as well as the low-frequency analog...

Bahmani, Faramarz

2007-09-17T23:59:59.000Z

452

Toward a high performance distributed memory climate model  

SciTech Connect (OSTI)

As part of a long range plan to develop a comprehensive climate systems modeling capability, the authors have taken the Atmospheric General Circulation Model originally developed by Arakawa and collaborators at UCLA and have recast it in a portable, parallel form. The code uses an explicit time-advance procedure on a staggered three-dimensional Eulerian mesh. The authors have implemented a two-dimensional latitude/longitude domain decomposition message passing strategy. Both dynamic memory management and interprocessor communication are handled with macro constructs that are preprocessed prior to compilation. The code can be moved about a variety of platforms, including massively parallel processors, workstation clusters, and vector processors, with a mere change of three parameters. Performance on the various platforms as well as issues associated with coupling different models for major components of the climate system are discussed.

Wehner, M.F.; Ambrosiano, J.J.; Brown, J.C.; Dannevik, W.P.; Eltgroth, P.G.; Mirin, A.A. [Lawrence Livermore National Lab., CA (United States); Farrara, J.D.; Ma, C.C.; Mechoso, C.R.; Spahr, J.A. [Univ. of California, Los Angeles, CA (US). Dept. of Atmospheric Sciences

1993-02-15T23:59:59.000Z

453

Generalized Portable SHMEM Library for High Performance Computing  

SciTech Connect (OSTI)

This dissertation describes the efforts to design and implement the Generalized Portable SHMEM library, GPSHMEM, as well as supplementary tools. There are two major components of the GPSHMEM project: the GPSHMEM library itself and the Fortran 77 source-to-source translator. The rest of this thesis is divided into two parts. Part I introduces the shared memory model and the distributed shared memory model. It explains the motivation behind GPSHMEM and presents its functionality and performance results. Part II is entirely devoted to the Fortran 77 translator call fgpp. The need for such a tool is demonstrated, functionality goals are stated, and the design issues are presented along with the development of the solutions.

Krzysztof Parzyszek

2003-08-05T23:59:59.000Z

454

High performance control of harmonic instability from HVDC link system  

SciTech Connect (OSTI)

This paper investigates the usefulness of novel control method for HVDC link system which suffers from severe condition of low order harmonic. This control scheme is used the feedforward control method which is directly controlled dc current at dc link system. The studies of this paper are aimed to improving the dynamic response of HVdc link system in disturbances such as faults. To achieve those objectives, digital time domain simulations are employed by the electro magnetic transient program for dc system (EMTDC). This method results in stable recovery from faults at both rectifier and inverter terminal busbars for a HVdc system that is inherently unstable. It has been found to be robust and control performance has been enhanced.

Min, W.K.; Yoo, M.H. [Korea Electric Power Research Inst., Taejeon (Korea, Republic of)

1995-12-31T23:59:59.000Z

455

High performance static latches with complete single event upset immunity  

DOE Patents [OSTI]

An asymmetric response latch providing immunity to single event upset without loss of speed is described. The latch has cross-coupled inverters having a hardened logic state and a soft state, wherein the logic state of the first inverter can only be changed when the voltage on the coupling node of that inverter is low and the logic state of the second inverter can only be changed when the coupling of that inverter is high. One of more of the asymmetric response latches may be configured into a memory cell having complete immunity, which protects information rather than logic states. 5 figures.

Corbett, W.T.; Weaver, H.T.

1994-04-26T23:59:59.000Z

456

High performance static latches with complete single event upset immunity  

DOE Patents [OSTI]

An asymmetric response latch providing immunity to single event upset without loss of speed. The latch has cross-coupled inverters having a hardened logic state and a soft state, wherein the logic state of the first inverter can only be changed when the voltage on the coupling node of that inverter is low and the logic state of the second inverter can only be changed when the coupling of that inverter is high. One of more of the asymmetric response latches may be configured into a memory cell having complete immunity, which protects information rather than logic states.

Corbett, Wayne T. (Albuquerque, NM); Weaver, Harry T. (Albuquerque, NM)

1994-01-01T23:59:59.000Z

457

MATERIALS INTEGRATION FOR HIGH- PERFORMANCE PHOTOVOLTAICS BY WAFER BONDING  

E-Print Network [OSTI]

No thesis is an individual endeavor, and this thesis would not have been possible without the assistance of my collaborators and advisor and would have been unendurable without the support of my coworkers, friends, and family. I apologize in advance to anyone whom I might omit in this brief acknowledgement, but it is late and I am running out of time! In the summer of 2000, Harry Atwater agreed to allow me to transfer to his group from the chemical engineering department. I was discouraged and doubtful about my future at Caltech and in graduate school in general. Since giving me that chance he has been a great advisor with no shortage of encouragement or ideas. I am never sure if this is by design, but Harry has managed to inspire me to work hard and has given me countless ideas to pursue while always allowing me to feel that I have nearly complete freedom to pursue experiments that are interesting to me. While in Harrys group I had the good fortune to work closely with two post-doctoral scholars, Chang-Geun Ahn and Anna Fontcuberta i Morral. Chang-Geun was extremely helpful in getting the Ge/Si bonding project going and in optical and electrical characterization experiments. Anna was tough to work with because her energy level is so darned high, but she has also been very supportive and her high energy approach to research has pushed me to work

James Michael Zahler; James Michael Zahler

2005-01-01T23:59:59.000Z

458

Marine Bio-Nanotechnology: High-Performance Materials from Sponge Silicatein  

E-Print Network [OSTI]

Title: Marine Bio-Nanotechnology: High-Performance MaterialsChemical Biology (2005); Nanotechnology Review (2005, 2006);Marine biotechnology; nanotechnology; sponge; silica;

Morse, Daniel E.

2007-01-01T23:59:59.000Z

459

Funding Opportunity Webinar Building America Industry Partnerships for High Performance Housing Innovations  

Broader source: Energy.gov [DOE]

This webinar provides an overview of the Building America Industry Partnerships for High Performance Housing Innovations Funding Opportunity Announcement, DE-FOA-0001117.

460

Funding Opportunity Webinar Building America Industry Partnerships for High Performance Housing Innovations (Text Version)  

Broader source: Energy.gov [DOE]

Below is the text version of the Funding Opportunity Webinar, Building America Industry Partnerships for High Performance Housing Innovations, presented in November 2014.

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


461

Levitation Performance of Bulk High Temperature Superconductor Above the Permanent Magnet Guideway atDifferent Temperatures  

Science Journals Connector (OSTI)

The levitation performance of a high temperature superconducting (HTS) Maglev system was investigated at different temperatures for HTS Maglev vehicle application. Using a cryogenic measurement system, we stud...

Hua Jing; Suyu Wang; Ming Jiang; Jiasu Wang

2010-12-01T23:59:59.000Z

462

U.S. Department of Energy High Performance and Sustainable Buildings...  

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

Department of Energy High Performance and Sustainable Buildings Implementation Plan More Documents & Publications Three Year Rolling Timeline Slide 1 Three-year Rolling Timeline...

463

Guiding Principles for Federal Leadership in High-Performance and Sustainable Buildings  

Broader source: Energy.gov [DOE]

The Federal Energy Management Program provides guidance to help agencies comply with the Guiding Principles for Federal Leadership in High-Performance and Sustainable Buildings.

464

Smith-Waterman Sequence Alignment For Massively Parallel High-Performance Computing Architectures.  

E-Print Network [OSTI]

?? This research addresses one of the most often used tools in bioinformatics, sequence alignment. The increasing growth and complexity of high-performance computing as well (more)

Steinfadt, Shannon Irene

2010-01-01T23:59:59.000Z

465

Alternative High-Performance Motors with Non-Rare Earth Materials...  

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

Alternative High-Performance Motors with Non-Rare Earth Materials 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer...

466

Scalable, Low-Cost, High Performance IPM Motor for Hybrid Vehicles...  

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

Scalable, Low-Cost, High Performance IPM Motor for Hybrid Vehicles 2011 DOE Hydrogen and Fuel Cells Program, and Vehicle Technologies Program Annual Merit Review and Peer...

467

Building America Webinar: High Performance Enclosure Strategies: Part II, New Construction  

Broader source: Energy.gov [DOE]

The webinar is the second in the series on designing and constructing high performance building enclosures, and will focus on effective strategies to address moisture and thermal needs.

468

Building America Webinar: High Performance Enclosure Strategies: Part II, New Construction- August 13, 2014- Introduction  

Broader source: Energy.gov [DOE]

This presentation is the Introduction to the Building America webinar, High Performance Enclosure Strategies, Part II, held on August 13, 2014.

469

Time Division Multiplexing of Network Access by Security Groups in High Performance Computing Environments.  

E-Print Network [OSTI]

??It is commonly known that High Performance Computing (HPC) systems are most frequently used by multiple users for batch job, parallel computations. Less well known, (more)

Ferguson, Joshua

2013-01-01T23:59:59.000Z

470

High Performance Computing Based Methods for Simulation and Optimisation of Flow Problems.  

E-Print Network [OSTI]

??The thesis is concerned with the study of methods in high-performance computing for simulation and optimisation of flow problems that occur in the framework of (more)

Bockelmann, Hendryk

2010-01-01T23:59:59.000Z

471

Measuring and tuning energy efficiency on large scale high performance computing platforms.  

E-Print Network [OSTI]

??Recognition of the importance of power in the field of High Performance Computing, whether it be as an obstacle, expense or design consideration, has never (more)

Laros, James Howard III

2012-01-01T23:59:59.000Z

472

Theory and practice of dynamic voltage/frequency scaling in the high performance computing environment.  

E-Print Network [OSTI]

?? This dissertation provides a comprehensive overview of the theory and practice of Dynamic Voltage/Frequency Scaling (DVFS) in the High Performance Computing (HPC) environment. We (more)

Rountree, Barry Louis

2010-01-01T23:59:59.000Z

473

Model-driven Memory Optimizations for High Performance Computing: From Caches to I/o.  

E-Print Network [OSTI]

??High performance systems are quickly evolving to keep pace with application demands, and we observe greater complexity in system design at all scales. Parallelism, in (more)

Frasca, Michael

2012-01-01T23:59:59.000Z

474

DOE Zero Energy Ready Home High-Performance Home Sales Training Part 1 Webinar-- Text Version  

Broader source: Energy.gov [DOE]

Below is the text version of the webinar DOE Zero Energy Ready Home High-Performance Home Sales Training Part 1, presented in February 2015.

475

High performance x-ray anti-scatter grid  

DOE Patents [OSTI]

Disclosed are an x-ray anti-scatter grid for x-ray imaging, particularly for screening mammography, and method for fabricating same, x-rays incident along a direct path pass through a grid composed of a plurality of parallel or crossed openings, microchannels, grooves, or slots etched in a substrate, such as silicon, having the walls of the microchannels or slots coated with a high opacity material, such as gold, while x-rays incident at angels with respect to the slots of the grid, arising from scatter, are blocked. The thickness of the substrate is dependent on the specific application of the grid, whereby a substrate of the grid for mammography would be thinner than one for chest radiology. Instead of coating the walls of the slots, such could be filed with an appropriate liquid, such as mercury. 4 Figs.

Logan, C.M.

1995-05-23T23:59:59.000Z

476

Microsoft Word - 0Hrma ColdCap Final (2)  

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

INVESTIGATION AND MATHEMATICAL MODELING OF COLD CAP BEHAVIOR IN HIGH-LEVEL-WASTE GLASS MELTER Pavel Hrma Pacific Northwest National Laboratory Richland, WA 99352 USA ABSTRACT The...

477

High-Performance Electrocatalysts for Oxygen Reduction Derived from Polyaniline, Iron, and Cobalt  

Science Journals Connector (OSTI)

...especially in the fuel cell cathode...G. Popov B. N. , Development of high performance...A new fuel cell cathode catalyst...high-area carbon as an electrocatalyst for oxygen reduction...Laboratory-Directed Research and Development Program. Microscopy...

Gang Wu; Karren L. More; Christina M. Johnston; Piotr Zelenay

2011-04-22T23:59:59.000Z

478

High-Performance Single Cell Genetic Analysis Using Microfluidic Emulsion Generator Arrays  

E-Print Network [OSTI]

High-Performance Single Cell Genetic Analysis Using Microfluidic Emulsion Generator Arrays Yong high-throughput microfluidic emulsion generation with single cell multiplex polymerase chain reaction and to provide good statistical information regarding these stochastic events. Microfluidics offers unprecedented

California at Berkeley, University of

479

Energy Savings Estimates and Cost Benefit Calculations for High Performance Relocatable Classrooms  

E-Print Network [OSTI]

1 Energy Savings Estimates and Cost Benefit Calculations for High Element 6, Project 2.1.2: Energy Savings Estimates and Cost Benefit Calculations for High Performance Hoeschele2 1 Environmental Energy Technologies Division Indoor Environment Department

480

Advanced Insulation for High Performance Cost-effective Wall, Roof, and  

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

Advanced Insulation for High Performance Advanced Insulation for High Performance Cost-effective Wall, Roof, and Foundation Systems Research Project Advanced Insulation for High Performance Cost-effective Wall, Roof, and Foundation Systems Research Project The U.S. Department of Energy (DOE) is currently conducting research into advanced insulation for high performance wall, roof, and foundation systems. Heat flows from hotter to colder spaces, and insulation is designed to resist this flow by keeping hot air out in the summer and in during the winter. Project Description This project seeks to develop high performing, durable, hydrofluorocarbon and hydrochlorofluorocarbons -free insulation with an R-value greater than 7.5-per-inch and a Class A fire performance. Project Partners Research is being undertaken between DOE and Dow Chemical.

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


481

Cold fusion research  

Science Journals Connector (OSTI)

Cold fusion research ... Eugene Mallove (C&EN, Feb. 10, page 2) accuses Trevor Pinch and me of "arrogant misunderstanding of cold fusion research/' Casting his net further, he then accuses the scientific establishment and some science media of "arrogant dismissal" of a "new phenomenon of unparalleled signficance," because we regard it as "a priori impossible." ... The latter, at least, is untrue, as should be apparent to anyone who read even the first three pages of 'Too Hot to Handle," where I wrote, 'liven though intuitive[ ly we felt] that [cold fusion] was too far-fetched to be real, nonetheless it had to be checked." ...

FRANK E. CLOSE

1992-04-13T23:59:59.000Z

482

High Performance, Low Cost Hydrogen Generation from Renewable Energy  

SciTech Connect (OSTI)

Renewable hydrogen from proton exchange membrane (PEM) electrolysis is gaining strong interest in Europe, especially in Germany where wind penetration is already at critical levels for grid stability. For this application as well as biogas conversion and vehicle fueling, megawatt (MW) scale electrolysis is required. Proton has established a technology roadmap to achieve the necessary cost reductions and manufacturing scale up to maintain U.S. competitiveness in these markets. This project represents a highly successful example of the potential for cost reduction in PEM electrolysis, and provides the initial stack design and manufacturing development for Protons MW scale product launch. The majority of the program focused on the bipolar assembly, from electrochemical modeling to subscale stack development through prototyping and manufacturing qualification for a large active area cell platform. Feasibility for an advanced membrane electrode assembly (MEA) with 50% reduction in catalyst loading was also demonstrated. Based on the progress in this program and other parallel efforts, H2A analysis shows the status of PEM electrolysis technology dropping below $3.50/kg production costs, exceeding the 2015 target.

Ayers, Katherine [Proton OnSite] [Proton OnSite; Dalton, Luke [Proton OnSite] [Proton OnSite; Roemer, Andy [Proton OnSite] [Proton OnSite; Carter, Blake [Proton OnSite] [Proton OnSite; Niedzwiecki, Mike [Proton OnSite] [Proton OnSite; Manco, Judith [Proton OnSite] [Proton OnSite; Anderson, Everett [Proton OnSite] [Proton OnSite; Capuano, Chris [Proton OnSite] [Proton OnSite; Wang, Chao-Yang [Penn State University] [Penn State University; Zhao, Wei [Penn State University] [Penn State University

2014-02-05T23:59:59.000Z

483

Tech-X Corporation has accessed the high performance computing (HPC) facilities at the Science and Technology Facilities Council's (STFC)  

E-Print Network [OSTI]

Tech-X Corporation has accessed the high performance computing (HPC) facilities at the Science high performance computing (HPC) and simulation technology. A research collaboratory in association

Zharkova, Valentina V.

484

A Comparative Study of Stochastic Unit Commitment and Security-Constrained Unit Commitment Using High Performance Computing  

E-Print Network [OSTI]

High Performance Computing Anthony Papavasiliou and Shmuel S. Oren Abstract-- The large decomposition. The proposed algorithms are implemented in a high performance computing environment

Oren, Shmuel S.

485

Synthesis of new high performance lubricants and solid lubricants  

SciTech Connect (OSTI)

In our second year of funding we began the testing phase of a number of new classes of lubricants. Three different testing collaborations have already begun and a fourth one is In the works with Dr. Stephen Hsu of the National Institute of Standards and Technology. Dr. Hsu also plans to test some of the same materials for us that Shell Development is studying. With Dr. Bill Jones of NASA, we are studying the effects of branching an high temperature lubricant properties in perfluoropolyethers, Initially Bill Jones is comparing the lubrication and physical properties of perfluorotetraglyme and the following two spherical perfluoropolyethers, Note that one contains a fluorocarbon chain and the other one contains a fluorocarbon ether chain. The synthesis of these was reported in the last progress report. With Professor Patricia Thiel of Iowa State University, we are working on studies of perfluoromethylene oxide ethers and have prepared a series of four of these polyethers to study in collaboration with her research group. These perfluoromethylene oxide ethers have the best low temperature properties of any known lubricants. Thiel's group is studying their interactions with metals under extreme conditions. Thirdly, we have also begun an Interaction with W. August Birke of Shell Development Company in Houston for whom we have already prepared samples of the chlorine-substituted fluorocarbon polyether lubricants whose structures appear on page 54 of our research proposal. Each of these four structures is thought to have potential as lubricant additives to motor oils. We also have underway syntheses of other fluorine-containing branched ether lubricants. These new materials which are also promising as antifriction additives for motor oils appear ahead of the perfluoro additives as Appendix I to the progress report. Additionally for Birke and Shell Development we have at their request prepared the novel compound perfluoro salicylic acid. This synthesis was suggested by the Shell staff who thought that esters of perfluoro salicylic acid might be an excellent antifriction additive for motor oil fuels. One of the best additives currently used in motor oils is the hydrocarbon ester of salicylic acid.

Lagow, Richard J.

1993-04-08T23:59:59.000Z

486

U.S. Department of Energy High Performance and Sustainable Buildings Implementation Plan  

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

Energy Energy High Performance and Sustainable Buildings Implementation Plan August 15, 2008 U.S. Department of Energy High Performance and Sustainable Buildings Implementation Plan TABLE OF CONTENTS ACRONYMS................................................................................................................................. iii 1 DOE COMMITMENT TO HPSB .......................................................................................... 1 1.1 Federal HPSB Drivers and Commitments ........................................................................... 1 1.2 DOE-Specific HPSB Commitments .................................................................................... 2 2 DOE HPSB DIRECTIVES..................................................................................................... 3

487

Defect-Free, Size-Tunable Graphene for High-Performance Lithium Ion Battery  

Science Journals Connector (OSTI)

Defect-Free, Size-Tunable Graphene for High-Performance Lithium Ion Battery ... These results propose that the as-prepared defect free graphene will bring significant advance of composite electrodes for high performance in electrochemical energy systems such as batteries, fuel cells, and capacitors. ...

Kwang Hyun Park; Dongju Lee; Jungmo Kim; Jongchan Song; Yong Min Lee; Hee-Tak Kim; Jung-Ki Park

2014-07-11T23:59:59.000Z

488

Durability Assessment of an Arch Dam using Inverse Analysis with Neural Networks and High Performance Computing.  

E-Print Network [OSTI]

the viscoelastic parameters; 3D FEM analysis using High Performance Computing (parallel and vector features) to run Performance Computing. E. M. R. Fairbairn, E. Goulart, A. L. G. A. Coutinho, N. F. F. Ebecken COPPEDurability Assessment of an Arch Dam using Inverse Analysis with Neural Networks and High

Coutinho, Alvaro L. G. A.

489

Computational performance of ultra-high-resolution capability in the Community Earth System Model  

Science Journals Connector (OSTI)

With the fourth release of the Community Climate System Model, the ability to perform ultra-high-resolution climate simulations is now possible, enabling eddy-resolving ocean and sea-ice models to be coupled to a finite-volume atmosphere model for a ... Keywords: Earth system modeling, Performance engineering, application optimization, climate modeling, high-resolution

John M. Dennis; Mariana Vertenstein; Patrick H. Worley; Arthur A. Mirin; Anthony P. Craig; Robert Jacob; Sheri Mickelson

2012-02-01T23:59:59.000Z

490

Optimizing Matrix Multiply using PHiPAC: a Portable, HighPerformance, ANSI C Coding Methodology  

E-Print Network [OSTI]

Optimizing Matrix Multiply using PHiPAC: a Portable, High­Performance, ANSI C Coding Methodology Je Portable, High­Performance, ANSI C #PHiPAC, pro­ nounced #fee­pack''#. Second, rather than code by hand, we

Bilmes, Jeff

491

Physical Design for Reduced Delay Uncertainty in High Performance Clock Distribution Networks  

E-Print Network [OSTI]

531 Physical Design for Reduced Delay Uncertainty in High Performance Clock Distribution Networks, the design of a clock distribution network represents one of the most challenging tasks in the integrated in the design of a high performance clock distribution network [1]. The uncertainty of the clock signal delay

Friedman, Eby G.

492

PowerPack: Energy Profiling and Analysis of High-Performance Systems and Applications  

E-Print Network [OSTI]

-based nodes, and then provide in-depth analyses of the energy consumption of parallel applications on clusters and energy are primary concerns in modern high- performance computing system design. Operational costs power and energy consumption in high-performance systems, including each component's electrical

493

The GridPACK toolkit for developing power grid simulations on high performance computing platforms  

Science Journals Connector (OSTI)

This paper describes the GridPACK framework, which is designed to help power grid engineers develop modeling software capable of running on high performance computers. The framework contains modules for setting up distributed power grid networks, ... Keywords: electric power grid, high performance computing, software frameworks

Bruce Palmer; William Perkins; Kevin Glass; Yousu Chen; Shuangshuang Jin; David Callahan

2013-11-01T23:59:59.000Z

494

ENERGY-EFFICIENT RESOURCE MANAGEMENT FOR HIGH-PERFORMANCE COMPUTING PLATFORMS  

E-Print Network [OSTI]

ENERGY-EFFICIENT RESOURCE MANAGEMENT FOR HIGH-PERFORMANCE COMPUTING PLATFORMS Except where School Engineering #12;ENERGY-EFFICIENT RESOURCE MANAGEMENT FOR HIGH-PERFORMANCE COMPUTING PLATFORMS of the Requirements for the Degree of Doctor of Philosophy Auburn, Alabama August 9, 2008 #12;iii ENERGY-EFFICIENT

Qin, Xiao

495

Reviving Cold Fusion  

Science Journals Connector (OSTI)

Reviving Cold Fusion ... In March 1989, electrochemists B. Stanley Pons and Martin Fleischmann announced at a press conference at the University of Utah that they had tamed the power of nuclear fusion in a benchtop electrolysis experiment. ... The discovery of cold fusion, as it came to be called, held the promise of endless amounts of pollution-free energy being generated from the natural deuterium in water. ...

STEPHEN K. RITTER

2012-05-14T23:59:59.000Z

496

Cold Fusion Fiasco  

Science Journals Connector (OSTI)

Cold Fusion Fiasco ... When two chemists, B. Stanley Pons and Martin Fleischmann, announced to the world's press on March 23, 1989, that they had discovered fusion in a test tube, they launched the equivalent of a scientific gold rush. ... Within a day of that infamous Utah press conference, physicist Stephen Jones at nearby Brigham Young University claimed that he, too, had been detecting neutrons from a cold fusion cell. ...

TREVOR PINCH

1992-01-13T23:59:59.000Z

497

Energy savings estimates and cost benefit calculations for high performance relocatable classrooms  

SciTech Connect (OSTI)

This report addresses the results of detailed monitoring completed under Program Element 6 of Lawrence Berkeley National Laboratory's High Performance Commercial Building Systems (HPCBS) PIER program. The purpose of the Energy Simulations and Projected State-Wide Energy Savings project is to develop reasonable energy performance and cost models for high performance relocatable classrooms (RCs) across California climates. A key objective of the energy monitoring was to validate DOE2 simulations for comparison to initial DOE2 performance projections. The validated DOE2 model was then used to develop statewide savings projections by modeling base case and high performance RC operation in the 16 California climate zones. The primary objective of this phase of work was to utilize detailed field monitoring data to modify DOE2 inputs and generate performance projections based on a validated simulation model. Additional objectives include the following: (1) Obtain comparative performance data on base case and high performance HVAC systems to determine how they are operated, how they perform, and how the occupants respond to the advanced systems. This was accomplished by installing both HVAC systems side-by-side (i.e., one per module of a standard two module, 24 ft by 40 ft RC) on the study RCs and switching HVAC operating modes on a weekly basis. (2) Develop projected statewide energy and demand impacts based on the validated DOE2 model. (3) Develop cost effectiveness projections for the high performance HVAC system in the 16 California climate zones.

Rainer, Leo I.; Hoeschele, Marc A.; Apte, Michael G.; Shendell, Derek G.; Fisk, Wlliam J.

2003-12-01T23:59:59.000Z

498

Energy-Performance-Based Design-Build Process: Strategies for Procuring High-Performance Buildings on Typical Construction Budgets: Preprint  

SciTech Connect (OSTI)

NREL experienced a significant increase in employees and facilities on our 327-acre main campus in Golden, Colorado over the past five years. To support this growth, researchers developed and demonstrated a new building acquisition method that successfully integrates energy efficiency requirements into the design-build requests for proposals and contracts. We piloted this energy performance based design-build process with our first new construction project in 2008. We have since replicated and evolved the process for large office buildings, a smart grid research laboratory, a supercomputer, a parking structure, and a cafeteria. Each project incorporated aggressive efficiency strategies using contractual energy use requirements in the design-build contracts, all on typical construction budgets. We have found that when energy efficiency is a core project requirement as defined at the beginning of a project, innovative design-build teams can integrate the most cost effective and high performance efficiency strategies on typical construction budgets. When the design-build contract includes measurable energy requirements and is set up to incentivize design-build teams to focus on achieving high performance in actual operations, owners can now expect their facilities to perform. As NREL completed the new construction in 2013, we have documented our best practices in training materials and a how-to guide so that other owners and owner's representatives can replicate our successes and learn from our experiences in attaining market viable, world-class energy performance in the built environment.

Scheib, J.; Pless, S.; Torcellini, P.

2014-08-01T23:59:59.000Z

499

Optimizing Cooling Tower Performance Refrigeration Systems, Chemical Plants, and Power Plants All Have A Resource Quietly Awaiting Exploitation-Cold Water!!  

E-Print Network [OSTI]

cooling water rate could be used to proquce approximately 1000 additional bbl (159 m 3 ) Iday of lead-free. high-octane gasoline. The savings in plot area and new construction would more than offset the labor and materials invoived in excavating.... This rejected heat must be continuously removed at the same rate it is generated or the compressor will overheat and shut down. Reducing the operating temperature of the compressor will proportionately reduce the energy input requirements. In other words...

Burger, R.

500

Design and first cold test of BNL superconducting 112 MHz QWR for electron gun applications  

SciTech Connect (OSTI)

Brookhaven National Laboratory and Niowave, Inc. have designed, fabricated, and performed the first cold test of a superconducting 112 MHz quarter-wave resonator (QWR) for electron gun experiments. The first cold test of the QWR cryomodule has been completed at Niowave. The paper discusses the cryomodule design, presents the cold test results, and outline plans to upgrade the cryomodule for future experiments. A quarter-wave resonator concept of superconducting RF (SRF) electron gun was proposed at BNL for electron cooling ion/proton beams at RHIC. QWRs can be made sufficiently compact even at low RF frequencies (long wavelengths). The long wavelength allows to produce long electron bunches, thus minimizing space charge effects and enabling high bunch charge. Also, such guns should be suitable for experiments requiring high average current electron beams. A 112 MHz QWR gun was designed, fabricated, and cold-tested in collaboration between BNL and Niowave. This is the lowest frequency SRF gun ever tested successfully. In this paper we describe the gun design and fabrication, present the cold test results, and outline plans for the cryomodule upgrade for future experiments.

Belomestnykh, S.; Ben-Zvi, I.; Boulware, C.H.; Chang, X.; Grimm, T.L.; Siegel, B.; Than, R.; Winowski, M.

2011-03-28T23:59:59.000Z