Sample records for high performance high

  1. High Performance Computing in

    E-Print Network [OSTI]

    Stamatakis, Alexandros

    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

  2. High-performance combinatorial algorithms

    E-Print Network [OSTI]

    Pinar, Ali

    2003-01-01T23:59:59.000Z

    mathematics, and high performance computing. The numericalalgorithms on high performance computing platforms.algorithms on high performance computing platforms, which

  3. High Performance Computing

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

    of ever-demanding workloads 13:01 Gary Grider, HPC Divison Leader The High Performance Computing (HPC) Division supports the Laboratory mission by managing world-class...

  4. High performance systems

    SciTech Connect (OSTI)

    Vigil, M.B. [comp.

    1995-03-01T23:59:59.000Z

    This document provides a written compilation of the presentations and viewgraphs from the 1994 Conference on High Speed Computing given at the High Speed Computing Conference, {open_quotes}High Performance Systems,{close_quotes} held at Gleneden Beach, Oregon, on April 18 through 21, 1994.

  5. Sandia Energy - High Performance Computing

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

    High Performance Computing Home Energy Research Advanced Scientific Computing Research (ASCR) High Performance Computing High Performance Computingashoter2015-03-18T21:41:24+00:00...

  6. High Performance Sustainable Building

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

    2011-11-09T23:59:59.000Z

    This Guide provides approaches for implementing the High Performance Sustainable Building (HPSB) requirements of DOE Order 413.3B, Program and Project Management for the Acquisition of Capital Assets. Cancels DOE G 413.3-6.

  7. 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...

  8. High performance polymeric foams

    SciTech Connect (OSTI)

    Gargiulo, M.; Sorrentino, L. [Institute for Composite and Biomedical Materials (IMCB)-CNR, P.le Tecchio 80, 80125 Naples (Italy); Iannace, S. [Institute for Composite and Biomedical Materials (IMCB)-CNR, P.le Tecchio 80, 80125 Naples (Italy) and Technological District on Polymeric and Composite Materials Engineering and Structures (IMAST), P.le E.Fermi 1, location Porto del Granatello, 80055 Portici (Naples)

    2008-08-28T23:59:59.000Z

    The aim of this work was to investigate the foamability of high-performance polymers (polyethersulfone, polyphenylsulfone, polyetherimide and polyethylenenaphtalate). Two different methods have been used to prepare the foam samples: high temperature expansion and two-stage batch process. The effects of processing parameters (saturation time and pressure, foaming temperature) on the densities and microcellular structures of these foams were analyzed by using scanning electron microscopy.

  9. High Performance Sustainable Building

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

    2008-06-20T23:59:59.000Z

    The guide supports DOE O 413.3A and provides useful information on the incorporation of high performance sustainable building principles into building-related General Plant Projects and Institutional General Plant Projects at DOE sites. Canceled by DOE G 413.3-6A. Does not cancel other directives.

  10. High Performance New Construction

    E-Print Network [OSTI]

    Flores, M.

    2013-01-01T23:59:59.000Z

    2013: Clean Air Through Energy Efficiency Conference, San Antonio, Texas Dec. 16-18 Agenda • Concept of Project – Challenging Metrics • HPDB / IPD – Accountability / Outcomes Focus • Energy Modeling = Total Cost of Ownership • GMAX = Predictable Costs...-18 High Performance Design-Build • Age Myth • Cost Myth • Complexity Myth • Time Advantage • Early Cost Confirmation • Lower Cost For Design Changes ESL-KT-13-12-40 CATEE 2013: Clean Air Through Energy Efficiency Conference, San Antonio, Texas Dec. 16...

  11. High Performance Computing School COMSC

    E-Print Network [OSTI]

    Martin, Ralph R.

    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

  12. High Performance Window Retrofit

    SciTech Connect (OSTI)

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

    2013-12-01T23:59:59.000Z

    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.

  13. 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.

  14. High Performance Quantum Computing

    E-Print Network [OSTI]

    Simon J. Devitt; William J. Munro; Kae Nemoto

    2008-10-14T23:59:59.000Z

    The architecture scalability afforded by recent proposals of a large scale photonic based quantum computer, utilizing the theoretical developments of topological cluster states and the photonic chip, allows us to move on to a discussion of massively scaled Quantum Information Processing (QIP). In this letter we introduce the model for a secure and unsecured topological cluster mainframe. We consider the quantum analogue of High Performance Computing, where a dedicated server farm is utilized by many users to run algorithms and share quantum data. The scaling structure of photonics based topological cluster computing leads to an attractive future for server based QIP, where dedicated mainframes can be constructed and/or expanded to serve an increasingly hungry user base with the ideal resource for individual quantum information processing.

  15. High Performance Networks for High Impact Science

    SciTech Connect (OSTI)

    Scott, Mary A.; Bair, Raymond A.

    2003-02-13T23:59:59.000Z

    This workshop was the first major activity in developing a strategic plan for high-performance networking in the Office of Science. Held August 13 through 15, 2002, it brought together a selection of end users, especially representing the emerging, high-visibility initiatives, and network visionaries to identify opportunities and begin defining the path forward.

  16. Creating high performance enterprises

    E-Print Network [OSTI]

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

    2006-01-01T23:59:59.000Z

    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 ...

  17. High Performance Network Monitoring

    SciTech Connect (OSTI)

    Martinez, Jesse E [Los Alamos National Laboratory

    2012-08-10T23:59:59.000Z

    Network Monitoring requires a substantial use of data and error analysis to overcome issues with clusters. Zenoss and Splunk help to monitor system log messages that are reporting issues about the clusters to monitoring services. Infiniband infrastructure on a number of clusters upgraded to ibmon2. ibmon2 requires different filters to report errors to system administrators. Focus for this summer is to: (1) Implement ibmon2 filters on monitoring boxes to report system errors to system administrators using Zenoss and Splunk; (2) Modify and improve scripts for monitoring and administrative usage; (3) Learn more about networks including services and maintenance for high performance computing systems; and (4) Gain a life experience working with professionals under real world situations. Filters were created to account for clusters running ibmon2 v1.0.0-1 10 Filters currently implemented for ibmon2 using Python. Filters look for threshold of port counters. Over certain counts, filters report errors to on-call system administrators and modifies grid to show local host with issue.

  18. 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

  19. High Performance Window Attachments

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEN TOTechnologyHighLouisiana |HighMaterials

  20. High Performance Computing

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC) EnvironmentalGyroSolé(tm) Harmonicbet WhenHiggs Boson May| ArgonneHigh

  1. Using High Performance Libraries

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

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

  2. High Performance Computing

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cn SunnybankD.jpgHanfordDepartmentInnovationHigh Flux Isotope

  3. High Performance Sustainable Buildings

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cn SunnybankD.jpgHanfordDepartmentInnovationHigh Flux

  4. High Performance Fortran: An overview

    SciTech Connect (OSTI)

    Zosel, M.E.

    1992-12-23T23:59:59.000Z

    The purpose of this paper is to give an overview of the work of the High Performance Fortran Forum (HPFF). This group of industry, academic, and user representatives has been meeting to define a set of extensions for Fortran dedicated to the special problems posed by a very high performance computers, especially the new generation of parallel computers. The paper describes the HPFF effort and its goals and gives a brief description of the functionality of High Performance Fortran (HPF).

  5. Commissioning for High Performance 

    E-Print Network [OSTI]

    Meline, K.

    2013-01-01T23:59:59.000Z

    &M Energy Systems Laboratory Type of Cx Previously Cx’d? Performance Monitoring Req’d? Functional Testing Req’d? Re-Cx Yes No Yes Retro-Cx No No Yes CC® Yes/No Yes No Monitoring-Based Cx Yes/No Yes No • New Building Commissioning ? Process Commissioning... Benefits of Cx Owners can achieve savings in operations of $4.00 over the first years of occupancy 5 as a direct result of every invested in commissioning* $1.00 * Data from Whole Building Design Guide – a program of National...

  6. High Efficiency, High Performance Clothes Dryer

    SciTech Connect (OSTI)

    Peter Pescatore; Phil Carbone

    2005-03-31T23:59:59.000Z

    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.

  7. Computational biology and high performance computing

    E-Print Network [OSTI]

    Shoichet, Brian

    2011-01-01T23:59:59.000Z

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

  8. High Performance Incentive Program (Kansas)

    Broader source: Energy.gov [DOE]

    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...

  9. INL High Performance Building Strategy

    SciTech Connect (OSTI)

    Jennifer D. Morton

    2010-02-01T23:59:59.000Z

    High performance buildings, also known as sustainable buildings and green buildings, are resource efficient structures that minimize the impact on the environment by using less energy and water, reduce solid waste and pollutants, and limit the depletion of natural resources while also providing a thermally and visually comfortable working environment that increases productivity for building occupants. As Idaho National Laboratory (INL) becomes the nation’s premier nuclear energy research laboratory, the physical infrastructure will be established to help accomplish this mission. This infrastructure, particularly the buildings, should incorporate high performance sustainable design features in order to be environmentally responsible and reflect an image of progressiveness and innovation to the public and prospective employees. Additionally, INL is a large consumer of energy that contributes to both carbon emissions and resource inefficiency. In the current climate of rising energy prices and political pressure for carbon reduction, this guide will help new construction project teams to design facilities that are sustainable and reduce energy costs, thereby reducing carbon emissions. With these concerns in mind, the recommendations described in the INL High Performance Building Strategy (previously called the INL Green Building Strategy) are intended to form the INL foundation for high performance building standards. This revised strategy incorporates the latest federal and DOE orders (Executive Order [EO] 13514, “Federal Leadership in Environmental, Energy, and Economic Performance” [2009], EO 13423, “Strengthening Federal Environmental, Energy, and Transportation Management” [2007], and DOE Order 430.2B, “Departmental Energy, Renewable Energy, and Transportation Management” [2008]), the latest guidelines, trends, and observations in high performance building construction, and the latest changes to the Leadership in Energy and Environmental Design (LEED®) Green Building Rating System (LEED 2009). The document employs a two-level approach for high performance building at INL. The first level identifies the requirements of the Guiding Principles for Sustainable New Construction and Major Renovations, and the second level recommends which credits should be met when LEED Gold certification is required.

  10. 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.

  11. High Performance Fortran Language Specification

    E-Print Network [OSTI]

    Shewchuk, Jonathan

    Version 1.1 #12; The High Performance Fortran Forum (HPFF), with participation from over 40 organ will become widely available, HPFF is not sanctioned or supported by any official standards organization. The HPFF had a second series of meetings from April 1994 to October 1994 to consider requests

  12. 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).

  13. High Performance Networks for High Impact Science

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC) EnvironmentalGyroSolé(tm) Harmonicbet WhenHiggs Boson May| ArgonneHighDISCLAIMER

  14. Army High Performance Computing Research Center

    E-Print Network [OSTI]

    Prinz, Friedrich B.

    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

  15. Building America Webinar: High Performance Enclosure Strategies...

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

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

  16. Building America Webinar: High Performance Space Conditioning...

    Energy Savers [EERE]

    Webinar: High Performance Space Conditioning Systems, Part II - Compact Buried Ducts Building America Webinar: High Performance Space Conditioning Systems, Part II - Compact Buried...

  17. High performance computing Igal G. Rasin

    E-Print Network [OSTI]

    Adler, Joan

    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

  18. Building America Webinar: High Performance Enclosure Strategies...

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

    High Performance Enclosure Strategies: Part II, New Construction Building America Webinar: High Performance Enclosure Strategies: Part II, New Construction The webinar is the...

  19. The High Performance Storage System

    SciTech Connect (OSTI)

    Coyne, R.A.; Hulen, H. [IBM Federal Systems Co., Houston, TX (United States); Watson, R. [Lawrence Livermore National Lab., CA (United States)

    1993-09-01T23:59:59.000Z

    The National Storage Laboratory (NSL) was organized to develop, demonstrate and commercialize technology for the storage system that will be the future repositories for our national information assets. Within the NSL four Department of Energy laboratories and IBM Federal System Company have pooled their resources to develop an entirely new High Performance Storage System (HPSS). The HPSS project concentrates on scalable parallel storage system for highly parallel computers as well as traditional supercomputers and workstation clusters. Concentrating on meeting the high end of storage system and data management requirements, HPSS is designed using network-connected storage devices to transfer data at rates of 100 million bytes per second and beyond. The resulting products will be portable to many vendor`s platforms. The three year project is targeted to be complete in 1995. This paper provides an overview of the requirements, design issues, and architecture of HPSS, as well as a description of the distributed, multi-organization industry and national laboratory HPSS project.

  20. High-Performance Nanostructured Coating

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

    high spectral absorptivity in the solar spectrum and low spectral emissivity in the infrared spectrum, as well as excellent durability at elevated temperatures in open air....

  1. HIGH PERFORMANCE COMPUTING TODAY Jack Dongarra

    E-Print Network [OSTI]

    Dongarra, Jack

    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

  2. Algoritmos y Programacin High Performance Fortran

    E-Print Network [OSTI]

    Giménez, Domingo

    . Promovido por el High Performance Fortran Forum (HPFF): http://www.hpfpc.org/index-E.html Características de

  3. College of Engineering High Performance Computing Cluster

    E-Print Network [OSTI]

    Demirel, Melik C.

    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

  4. Tutorial: High Performance Computing Igal G. Rasin

    E-Print Network [OSTI]

    Adler, Joan

    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

  5. High performance fibers. Final report

    SciTech Connect (OSTI)

    Economy, J.

    1994-01-01T23:59:59.000Z

    A two and a half year ONR/ARPA funded program to develop a low cost process for manufacture of a high strength/high modulus sigma/E boron nitride (BN) fiber was initiated on 7/1/90 and ended on 12/31/92. The preparation of high sigma/E BN fibers had been demonstrated in the late 1960's by the PI using a batch nitriding of B2O3 fiber with NH3 followed by stress graphitization at approx. 2000 deg C. Such fibers displayed values comparable to PAN based carbon fibers but the mechanicals were variable most likely because of redeposition of volatiles at 2000 deg C. In addition, the cost of the fibers was very high due to the need for many hours of nitriding necessary to convert the B2O3 fibers. The use of batch nitriding negated two possible cost advantages of this concept, namely, the ease of drawing very fine, multi-filament yarn of B2O3 and more importantly the very low cost of the starting materials.

  6. 423A HIGH-PERFORMANCE COMPUTING/NUMERICAL The International Journal of High Performance Computing Applications,

    E-Print Network [OSTI]

    Higham, Nicholas J.

    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

  7. High Performance Plastic DSSC | ANSER Center | Argonne-Northwestern...

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

    High Performance Plastic DSSC Home > Research > ANSER Research Highlights > High Performance Plastic DSSC...

  8. Strategy Guideline: High Performance Residential Lighting

    SciTech Connect (OSTI)

    Holton, J.

    2012-02-01T23:59:59.000Z

    The Strategy Guideline: High Performance Residential Lighting has been developed to provide a tool for the understanding and application of high performance lighting in the home. The high performance lighting strategies featured in this guide are drawn from recent advances in commercial lighting for application to typical spaces found in residential buildings. This guide offers strategies to greatly reduce lighting energy use through the application of high quality fluorescent and light emitting diode (LED) technologies. It is important to note that these strategies not only save energy in the home but also serve to satisfy the homeowner's expectations for high quality lighting.

  9. HIGH-PERFORMANCE COATING MATERIALS

    SciTech Connect (OSTI)

    SUGAMA,T.

    2007-01-01T23:59:59.000Z

    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.

  10. Building America Webinar: High Performance Enclosure Strategies...

    Energy Savers [EERE]

    Webinar: High Performance Enclosure Strategies: Part II, New Construction - August 13, 2014 - Cladding Attachment Over Thick Exterior Rigid Insulation Building America Webinar:...

  11. High Performance Green Schools Planning Grants

    Broader source: Energy.gov [DOE]

    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...

  12. Building America Webinar: High Performance Space Conditioning...

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

    II - Design Options for Locating Ducts within Conditioned Space Building America Webinar: High Performance Space Conditioning Systems, Part II - Design Options for Locating Ducts...

  13. High-Performance Computing at Los

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

    and back to the loosened semantics of key value stores," says Gary Grider, High Performance Computing division leader at Los Alamos. Computer simulations overall are scaling to...

  14. High performance carbon nanocomposites for ultracapacitors

    DOE Patents [OSTI]

    Lu, Wen

    2012-10-02T23:59:59.000Z

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

  15. 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).

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

    E-Print Network [OSTI]

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

    2003-01-01T23:59:59.000Z

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

  17. ADVANCED HIGH PERFORMANCE SOLID WALL BLANKET CONCEPTS

    SciTech Connect (OSTI)

    WONG, CPC; MALANG, S; NISHIO, S; RAFFRAY, R; SAGARA, S

    2002-04-01T23:59:59.000Z

    OAK A271 ADVANCED HIGH PERFORMANCE SOLID WALL BLANKET CONCEPTS. First wall and blanket (FW/blanket) design is a crucial element in the performance and acceptance of a fusion power plant. High temperature structural and breeding materials are needed for high thermal performance. A suitable combination of structural design with the selected materials is necessary for D-T fuel sufficiency. Whenever possible, low afterheat, low chemical reactivity and low activation materials are desired to achieve passive safety and minimize the amount of high-level waste. Of course the selected fusion FW/blanket design will have to match the operational scenarios of high performance plasma. The key characteristics of eight advanced high performance FW/blanket concepts are presented in this paper. Design configurations, performance characteristics, unique advantages and issues are summarized. All reviewed designs can satisfy most of the necessary design goals. For further development, in concert with the advancement in plasma control and scrape off layer physics, additional emphasis will be needed in the areas of first wall coating material selection, design of plasma stabilization coils, consideration of reactor startup and transient events. To validate the projected performance of the advanced FW/blanket concepts the critical element is the need for 14 MeV neutron irradiation facilities for the generation of necessary engineering design data and the prediction of FW/blanket components lifetime and availability.

  18. Dish Sterling High Performance Thermal Storage

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

    Stirling High Performance Thermal Storage Sandia National Laboratories SNLAndrakaA: FY13Q2: Charles E. Andraka * 2-D PCM model extended to include realistic heat pipe boundary...

  19. High Performance Computing Data Center (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2014-08-01T23:59:59.000Z

    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.

  20. High Performance Computing Data Center (Fact Sheet)

    SciTech Connect (OSTI)

    Not Available

    2012-08-01T23:59:59.000Z

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

  1. Dinosaurs can fly -- High performance refining

    SciTech Connect (OSTI)

    Treat, J.E. [Booz-Allen and Hamilton, Inc., San Francisco, CA (United States)

    1995-09-01T23:59:59.000Z

    High performance refining requires that one develop a winning strategy based on a clear understanding of one`s position in one`s company`s value chain; one`s competitive position in the products markets one serves; and the most likely drivers and direction of future market forces. The author discussed all three points, then described measuring performance of the company. To become a true high performance refiner often involves redesigning the organization as well as the business processes. The author discusses such redesigning. The paper summarizes ten rules to follow to achieve high performance: listen to the market; optimize; organize around asset or area teams; trust the operators; stay flexible; source strategically; all maintenance is not equal; energy is not free; build project discipline; and measure and reward performance. The paper then discusses the constraints to the implementation of change.

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

    E-Print Network [OSTI]

    Ryne, R.

    2013-01-01T23:59:59.000Z

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

  3. High performance internal reforming unit for high temperature fuel cells

    DOE Patents [OSTI]

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

    2008-10-07T23:59:59.000Z

    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.

  4. Symmetric Active/Active HighSymmetric Active/Active High Availability for HighAvailability for High--PerformancePerformance

    E-Print Network [OSTI]

    Engelmann, Christian

    Symmetric Active/Active HighSymmetric Active/Active High Availability for HighAvailability for High reliability and availability is deceasing rapidlyHPC system reliability and availability is deceasing rapidly memory)bit errors in ECC memory) High availability as well as high performance isHigh availability

  5. A Survey of High Performance Schools 

    E-Print Network [OSTI]

    Im, P.; Haberl, J. S.

    2006-01-01T23:59:59.000Z

    • Photovoltaic (PV) systems • Ground source heat pumps • High AFUE (e.g., over 90%) boilers From the EERE database, however, it is difficult to differentiate the energy efficient strategies according to climate area. Different strategies for difference... areas. In some schools, photovoltaic (PV) systems have been installed. For example, a 1-2 kW PV system was installed at Tucson Unified School District, Arizona (i.e., hot and dry climates). More detailed design guides for high performance schools...

  6. High-performance, high-volume fly ash concrete

    SciTech Connect (OSTI)

    NONE

    2008-01-15T23:59:59.000Z

    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.

  7. Natural Refrigerant High-Performance Heat Pump for Commercial...

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

    Natural Refrigerant High-Performance Heat Pump for Commercial Applications Natural Refrigerant High-Performance Heat Pump for Commercial Applications Lead Performer: S-RAM -...

  8. Project materials [Commercial High Performance Buildings Project

    SciTech Connect (OSTI)

    None

    2001-01-01T23:59:59.000Z

    The Consortium for High Performance Buildings (ChiPB) is an outgrowth of DOE'S Commercial Whole Buildings Roadmapping initiatives. It is a team-driven public/private partnership that seeks to enable and demonstrate the benefit of buildings that are designed, built and operated to be energy efficient, environmentally sustainable, superior quality, and cost effective.

  9. Java programming for high-performance

    E-Print Network [OSTI]

    Goldstein, Seth Copen

    language to solv- ing large computational problems in science and en- gineering. Unless these issuesJava programming for high-performance numerical computing by J. E. Moreira S. P. Midkiff M. Gupta PTM language has taken off as a serious general-purpose programming language. Industry and academia alike have

  10. Debugging a high performance computing program

    SciTech Connect (OSTI)

    Gooding, Thomas M.

    2013-08-20T23:59:59.000Z

    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.

  11. Debugging a high performance computing program

    SciTech Connect (OSTI)

    Gooding, Thomas M.

    2014-08-19T23:59:59.000Z

    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.

  12. NET-ZERO ENERGY HIGH PERFORMANCE

    E-Print Network [OSTI]

    Farritor, Shane

    , University of Nebraska­Lincoln · Denise Kuehn, Manager, Demand Side and Sustainable Management, Omaha Public was that the largest potential for enhancing energy supplies in this country is making buildings more efficient. "-- Harvey Perlman, UNL Chancellor #12;Net-Zero Energy, High-Performance Green Buildings | 1 INTRODUCTION

  13. Strategy Guideline: Partnering for High Performance Homes

    SciTech Connect (OSTI)

    Prahl, D.

    2013-01-01T23:59:59.000Z

    High performance houses require a high degree of coordination and have significant interdependencies between various systems in order to perform properly, meet customer expectations, and minimize risks for the builder. Responsibility for the key performance attributes is shared across the project team and can be well coordinated through advanced partnering strategies. For high performance homes, traditional partnerships need to be matured to the next level and be expanded to all members of the project team including trades, suppliers, manufacturers, HERS raters, designers, architects, and building officials as appropriate. In an environment where the builder is the only source of communication between trades and consultants and where relationships are, in general, adversarial as opposed to cooperative, the chances of any one building system to fail are greater. Furthermore, it is much harder for the builder to identify and capitalize on synergistic opportunities. Partnering can help bridge the cross-functional aspects of the systems approach and achieve performance-based criteria. Critical success factors for partnering include support from top management, mutual trust, effective and open communication, effective coordination around common goals, team building, appropriate use of an outside facilitator, a partnering charter progress toward common goals, an effective problem-solving process, long-term commitment, continuous improvement, and a positive experience for all involved.

  14. Computational Biology and High Performance Computing 2000

    SciTech Connect (OSTI)

    Simon, Horst D.; Zorn, Manfred D.; Spengler, Sylvia J.; Shoichet, Brian K.; Stewart, Craig; Dubchak, Inna L.; Arkin, Adam P.

    2000-10-19T23:59:59.000Z

    The pace of extraordinary advances in molecular biology has accelerated in the past decade due in large part to discoveries coming from genome projects on human and model organisms. The advances in the genome project so far, happening well ahead of schedule and under budget, have exceeded any dreams by its protagonists, let alone formal expectations. Biologists expect the next phase of the genome project to be even more startling in terms of dramatic breakthroughs in our understanding of human biology, the biology of health and of disease. Only today can biologists begin to envision the necessary experimental, computational and theoretical steps necessary to exploit genome sequence information for its medical impact, its contribution to biotechnology and economic competitiveness, and its ultimate contribution to environmental quality. High performance computing has become one of the critical enabling technologies, which will help to translate this vision of future advances in biology into reality. Biologists are increasingly becoming aware of the potential of high performance computing. The goal of this tutorial is to introduce the exciting new developments in computational biology and genomics to the high performance computing community.

  15. 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

  16. Managing Stakeholder Requirements in High Performance Computing Procurement

    E-Print Network [OSTI]

    Sommerville, Ian

    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

  17. Purchase of High Performance Computing (HPC) Central Compute Resources

    E-Print Network [OSTI]

    Shull, Kenneth R.

    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

  18. Middleware in Modern High Performance Computing System Architectures

    E-Print Network [OSTI]

    Engelmann, Christian

    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

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

    E-Print Network [OSTI]

    Loffeld, John

    2013-01-01T23:59:59.000Z

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

  20. High-performance laboratories and cleanrooms

    SciTech Connect (OSTI)

    Tschudi, William; Sartor, Dale; Mills, Evan; Xu, Tengfang

    2002-07-01T23:59:59.000Z

    The California Energy Commission sponsored this roadmap to guide energy efficiency research and deployment for high performance cleanrooms and laboratories. Industries and institutions utilizing these building types (termed high-tech buildings) have played an important part in the vitality of the California economy. This roadmap's key objective to present a multi-year agenda to prioritize and coordinate research efforts. It also addresses delivery mechanisms to get the research products into the market. Because of the importance to the California economy, it is appropriate and important for California to take the lead in assessing the energy efficiency research needs, opportunities, and priorities for this market. In addition to the importance to California's economy, energy demand for this market segment is large and growing (estimated at 9400 GWH for 1996, Mills et al. 1996). With their 24hr. continuous operation, high tech facilities are a major contributor to the peak electrical demand. Laboratories and cleanrooms constitute the high tech building market, and although each building type has its unique features, they are similar in that they are extremely energy intensive, involve special environmental considerations, have very high ventilation requirements, and are subject to regulations--primarily safety driven--that tend to have adverse energy implications. High-tech buildings have largely been overlooked in past energy efficiency research. Many industries and institutions utilize laboratories and cleanrooms. As illustrated, there are many industries operating cleanrooms in California. These include semiconductor manufacturing, semiconductor suppliers, pharmaceutical, biotechnology, disk drive manufacturing, flat panel displays, automotive, aerospace, food, hospitals, medical devices, universities, and federal research facilities.

  1. ARIES: Building America, High Performance Factory Built Housing...

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

    ARIES: Building America, High Performance Factory Built Housing - 2015 Peer Review ARIES: Building America, High Performance Factory Built Housing - 2015 Peer Review Presenter:...

  2. New rocket propellant and motor design offer high-performance...

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

    New rocket propellant and motor design offer high-performance and safety New rocket propellant and motor design offer high-performance and safety Scientists recently flight tested...

  3. Boosting Small Engines to High Performance - Boosting Systems...

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

    Boosting Small Engines to High Performance - Boosting Systems and Combustion Development Methodology Boosting Small Engines to High Performance - Boosting Systems and Combustion...

  4. Building America Webinar: High-Performance Enclosure Strategies...

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

    Building America Webinar: High-Performance Enclosure Strategies, Part I: Unvented Roof Systems and Innovative Advanced Framing Strategies Building America Webinar: High-Performance...

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

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

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

  6. Possible Origin of Improved High Temperature Performance of Hydrotherm...

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

    Origin of Improved High Temperature Performance of Hydrothermally Aged CuBeta Zeolite Catalysts. Possible Origin of Improved High Temperature Performance of Hydrothermally Aged...

  7. Federal Leadership in High Performance and Sustainable Buildings...

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

    leadership in the design, construction, and operation of High-Performance and Sustainable Buildings. Federal Leadership in High Performance and Sustainable Buildings...

  8. advanced high performance: Topics by E-print Network

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

    cause the surface to become nonspecular. Hans J. Dehne 1991-01-01 7 Army High Performance Computing Research Center Materials Science Websites Summary: Army High Performance...

  9. amorphous-metals high-performance corrosion-resistant: Topics...

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

    ... Homer, Eric R. 26 Breaking the Barriers: High Performance Security for High Performance Computing Computer Technologies and Information Sciences Websites Summary: Breaking...

  10. Materials and Modules for Low Cost, High Performance Fuel Cell...

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

    Modules for Low Cost, High Performance Fuel Cell Humidifiers Materials and Modules for Low Cost, High Performance Fuel Cell Humidifiers Presented at the Department of Energy Fuel...

  11. 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...

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

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

    Processing Cost Barriers of High-Performance Lithium-Ion Battery Electrodes Overcoming Processing Cost Barriers of High-Performance Lithium-Ion Battery Electrodes 2012 DOE Hydrogen...

  13. Building America Webinar: High-Performance Enclosure Strategies...

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

    High-Performance Enclosure Strategies, Part I: Unvented Roof Systems and Innovative Advanced Framing Strategies Building America Webinar: High-Performance Enclosure Strategies,...

  14. Energy Efficiency Opportunities in Federal High Performance Computing...

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

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

  15. 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...

  16. 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...

  17. NSF/DOE Thermoelectric Partnership: High-Performance Thermoelectric...

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

    High-Performance Thermoelectric Devices Based on Abundant Silicide Materials for Vehicle Waste Heat Recovery NSFDOE Thermoelectric Partnership: High-Performance Thermoelectric...

  18. Innovative High-Performance Deposition Technology for Low-Cost...

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

    Innovative High-Performance Deposition Technology for Low-Cost Manufacturing of OLED Lighting Innovative High-Performance Deposition Technology for Low-Cost Manufacturing of OLED...

  19. Rebuilding It Better: Greensburg, Kansas, High Performance Buildings...

    Office of Environmental Management (EM)

    It Better: Greensburg, Kansas, High Performance Buildings Meeting Energy Savings Goals (Brochure) Rebuilding It Better: Greensburg, Kansas, High Performance Buildings Meeting...

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

    Energy Savers [EERE]

    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...

  1. High Performance Commercial Fenestration Framing Systems

    SciTech Connect (OSTI)

    Mike Manteghi; Sneh Kumar; Joshua Early; Bhaskar Adusumalli

    2010-01-31T23:59:59.000Z

    A major objective of the U.S. Department of Energy is to have a zero energy commercial building by the year 2025. Windows have a major influence on the energy performance of the building envelope as they control over 55% of building energy load, and represent one important area where technologies can be developed to save energy. Aluminum framing systems are used in over 80% of commercial fenestration products (i.e. windows, curtain walls, store fronts, etc.). Aluminum framing systems are often required in commercial buildings because of their inherent good structural properties and long service life, which is required from commercial and architectural frames. At the same time, they are lightweight and durable, requiring very little maintenance, and offer design flexibility. An additional benefit of aluminum framing systems is their relatively low cost and easy manufacturability. Aluminum, being an easily recyclable material, also offers sustainable features. However, from energy efficiency point of view, aluminum frames have lower thermal performance due to the very high thermal conductivity of aluminum. Fenestration systems constructed of aluminum alloys therefore have lower performance in terms of being effective barrier to energy transfer (heat loss or gain). Despite the lower energy performance, aluminum is the choice material for commercial framing systems and dominates the commercial/architectural fenestration market because of the reasons mentioned above. In addition, there is no other cost effective and energy efficient replacement material available to take place of aluminum in the commercial/architectural market. Hence it is imperative to improve the performance of aluminum framing system to improve the energy performance of commercial fenestration system and in turn reduce the energy consumption of commercial building and achieve zero energy building by 2025. The objective of this project was to develop high performance, energy efficient commercial fenestration framing systems, by investigating new technologies that would improve the thermal performance of aluminum frames, while maintaining their structural and life-cycle performance. The project targeted an improvement of over 30% (whole window performance) over conventional commercial framing technology by improving the performance of commercial framing systems.

  2. DOE High Performance Concentrator PV Project

    SciTech Connect (OSTI)

    McConnell, R.; Symko-Davies, M.

    2005-08-01T23:59:59.000Z

    Much in demand are next-generation photovoltaic (PV) technologies that can be used economically to make a large-scale impact on world electricity production. The U.S. Department of Energy (DOE) initiated the High-Performance Photovoltaic (HiPerf PV) Project to substantially increase the viability of PV for cost-competitive applications so that PV can contribute significantly to both our energy supply and environment. To accomplish such results, the National Center for Photovoltaics (NCPV) directs in-house and subcontracted research in high-performance polycrystalline thin-film and multijunction concentrator devices with the goal of enabling progress of high-efficiency technologies toward commercial-prototype products. We will describe the details of the subcontractor and in-house progress in exploring and accelerating pathways of III-V multijunction concentrator solar cells and systems toward their long-term goals. By 2020, we anticipate that this project will have demonstrated 33% system efficiency and a system price of $1.00/Wp for concentrator PV systems using III-V multijunction solar cells with efficiencies over 41%.

  3. High performance computing and numerical modelling

    E-Print Network [OSTI]

    ,

    2014-01-01T23:59:59.000Z

    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 ...

  4. Management issues for high performance storage systems

    SciTech Connect (OSTI)

    Louis, S. [Lawrence Livermore National Lab., CA (United States); Burris, R. [Oak Ridge National Lab., TN (United States)

    1995-03-01T23:59:59.000Z

    Managing distributed high-performance storage systems is complex and, although sharing common ground with traditional network and systems management, presents unique storage-related issues. Integration technologies and frameworks exist to help manage distributed network and system environments. Industry-driven consortia provide open forums where vendors and users cooperate to leverage solutions. But these new approaches to open management fall short addressing the needs of scalable, distributed storage. We discuss the motivation and requirements for storage system management (SSM) capabilities and describe how SSM manages distributed servers and storage resource objects in the High Performance Storage System (HPSS), a new storage facility for data-intensive applications and large-scale computing. Modem storage systems, such as HPSS, require many SSM capabilities, including server and resource configuration control, performance monitoring, quality of service, flexible policies, file migration, file repacking, accounting, and quotas. We present results of initial HPSS SSM development including design decisions and implementation trade-offs. We conclude with plans for follow-on work and provide storage-related recommendations for vendors and standards groups seeking enterprise-wide management solutions.

  5. High Performance Piezoelectric Actuated Gimbal (HIERAX)

    SciTech Connect (OSTI)

    Charles Tschaggeny; Warren Jones; Eberhard Bamberg

    2007-04-01T23:59:59.000Z

    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.

  6. Climate Modeling using High-Performance Computing

    SciTech Connect (OSTI)

    Mirin, A A

    2007-02-05T23:59:59.000Z

    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.

  7. high-performance | netl.doe.gov

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

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

  8. High Performance Sustainable Building Design RM

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011 Strategic2 OPAM Flash2011-12Approved on 24 July 2008 1 Office ofHigh Performance

  9. March 14, 2007 Towards High Availability for High-Performance Computing System Services

    E-Print Network [OSTI]

    Engelmann, Christian

    March 14, 2007 Towards High Availability for High-Performance Computing System Services: Accomplishments and Limitations 1/42 Towards High Availability for High- Performance Computing System Services The University of Reading, Reading, UK #12;March 14, 2007 Towards High Availability for High

  10. High performance robotic traverse of desert terrain.

    SciTech Connect (OSTI)

    Whittaker, William (Carnegie Mellon University, Pittsburgh, PA)

    2004-09-01T23:59:59.000Z

    This report presents tentative innovations to enable unmanned vehicle guidance for a class of off-road traverse at sustained speeds greater than 30 miles per hour. Analyses and field trials suggest that even greater navigation speeds might be achieved. The performance calls for innovation in mapping, perception, planning and inertial-referenced stabilization of components, hosted aboard capable locomotion. The innovations are motivated by the challenge of autonomous ground vehicle traverse of 250 miles of desert terrain in less than 10 hours, averaging 30 miles per hour. GPS coverage is assumed to be available with localized blackouts. Terrain and vegetation are assumed to be akin to that of the Mojave Desert. This terrain is interlaced with networks of unimproved roads and trails, which are a key to achieving the high performance mapping, planning and navigation that is presented here.

  11. High-performance computing for airborne applications

    SciTech Connect (OSTI)

    Quinn, Heather M [Los Alamos National Laboratory; Manuzzato, Andrea [Los Alamos National Laboratory; Fairbanks, Tom [Los Alamos National Laboratory; Dallmann, Nicholas [Los Alamos National Laboratory; Desgeorges, Rose [Los Alamos National Laboratory

    2010-06-28T23:59:59.000Z

    Recently, there has been attempts to move common satellite tasks to unmanned aerial vehicles (UAVs). UAVs are significantly cheaper to buy than satellites and easier to deploy on an as-needed basis. The more benign radiation environment also allows for an aggressive adoption of state-of-the-art commercial computational devices, which increases the amount of data that can be collected. There are a number of commercial computing devices currently available that are well-suited to high-performance computing. These devices range from specialized computational devices, such as field-programmable gate arrays (FPGAs) and digital signal processors (DSPs), to traditional computing platforms, such as microprocessors. Even though the radiation environment is relatively benign, these devices could be susceptible to single-event effects. In this paper, we will present radiation data for high-performance computing devices in a accelerated neutron environment. These devices include a multi-core digital signal processor, two field-programmable gate arrays, and a microprocessor. From these results, we found that all of these devices are suitable for many airplane environments without reliability problems.

  12. CENTER FOR HIGH PERFORMANCE COMPUTING Overview of CHPC

    E-Print Network [OSTI]

    Alvarado, Alejandro Sánchez

    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

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

    E-Print Network [OSTI]

    Fiebig, Peter

    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

  14. Symmetric Active/Active High Availability for High-Performance Computing System Services

    E-Print Network [OSTI]

    He, Xubin "Ben"

    Symmetric Active/Active High Availability for High-Performance Computing System Services Christian to pave the way for high avail- ability in high-performance computing (HPC) by focusing on efficient symmetric active/active high availability for multiple redundant head and service nodes running in virtual

  15. A Review of High Occupancy Vehicle (HOV) Lane Performance and...

    Open Energy Info (EERE)

    High Occupancy Vehicle (HOV) Lane Performance and Policy Options in the United States: Final Report Jump to: navigation, search Tool Summary LAUNCH TOOL Name: A Review of High...

  16. Enhanced High Temperature Performance of NOx Storage/Reduction...

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

    Meeting ace026peden2012o.pdf More Documents & Publications Enhanced High Temperature Performance of NOx StorageReduction (NSR) Materials Enhanced High and Low...

  17. Java for High Performance Computing Java HPC Codes

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    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

  18. High Performance Valve Materials | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEN TOTechnologyHighLouisiana |HighMaterials High

  19. High-performance commercial building systems

    SciTech Connect (OSTI)

    Selkowitz, Stephen

    2003-10-01T23:59:59.000Z

    This report summarizes key technical accomplishments resulting from the three year PIER-funded R&D program, ''High Performance Commercial Building Systems'' (HPCBS). The program targets the commercial building sector in California, an end-use sector that accounts for about one-third of all California electricity consumption and an even larger fraction of peak demand, at a cost of over $10B/year. Commercial buildings also have a major impact on occupant health, comfort and productivity. Building design and operations practices that influence energy use are deeply engrained in a fragmented, risk-averse industry that is slow to change. Although California's aggressive standards efforts have resulted in new buildings designed to use less energy than those constructed 20 years ago, the actual savings realized are still well below technical and economic potentials. The broad goal of this program is to develop and deploy a set of energy-saving technologies, strategies, and techniques, and improve processes for designing, commissioning, and operating commercial buildings, while improving health, comfort, and performance of occupants, all in a manner consistent with sound economic investment practices. Results are to be broadly applicable to the commercial sector for different building sizes and types, e.g. offices and schools, for different classes of ownership, both public and private, and for owner-occupied as well as speculative buildings. The program aims to facilitate significant electricity use savings in the California commercial sector by 2015, while assuring that these savings are affordable and promote high quality indoor environments. The five linked technical program elements contain 14 projects with 41 distinct R&D tasks. Collectively they form a comprehensive Research, Development, and Demonstration (RD&D) program with the potential to capture large savings in the commercial building sector, providing significant economic benefits to building owners and health and performance benefits to occupants. At the same time this program can strengthen the growing energy efficiency industry in California by providing new jobs and growth opportunities for companies providing the technology, systems, software, design, and building services to the commercial sector. The broad objectives across all five program elements were: (1) To develop and deploy an integrated set of tools and techniques to support the design and operation of energy-efficient commercial buildings; (2) To develop open software specifications for a building data model that will support the interoperability of these tools throughout the building life-cycle; (3) To create new technology options (hardware and controls) for substantially reducing controllable lighting, envelope, and cooling loads in buildings; (4) To create and implement a new generation of diagnostic techniques so that commissioning and efficient building operations can be accomplished reliably and cost effectively and provide sustained energy savings; (5) To enhance the health, comfort and performance of building occupants. (6) To provide the information technology infrastructure for owners to minimize their energy costs and manage their energy information in a manner that creates added value for their buildings as the commercial sector transitions to an era of deregulated utility markets, distributed generation, and changing business practices. Our ultimate goal is for our R&D effort to have measurable market impact. This requires that the research tasks be carried out with a variety of connections to key market actors or trends so that they are recognized as relevant and useful and can be adopted by expected users. While some of this activity is directly integrated into our research tasks, the handoff from ''market-connected R&D'' to ''field deployment'' is still an art as well as a science and in many areas requires resources and a timeframe well beyond the scope of this PIER research program. The TAGs, PAC and other industry partners have assisted directly in this effort

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

    E-Print Network [OSTI]

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

    2010-01-01T23:59:59.000Z

    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...

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

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

    Q2 Halide and Oxy-Halide Eutectic Systems for High Performance High Temperature Heat Transfer Fluids Corrosion in Very High-Temperature Molten Salt for Next Generation CSP Systems...

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

    E-Print Network [OSTI]

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

    2010-01-01T23:59:59.000Z

    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...

  3. Presented by High-Performance Visualization of

    E-Print Network [OSTI]

    Bhaduri_HPC_GIS_Viz_SC10 Data courtesy of Center for Space Research, UT­Austin High-resolution 3D view example: Beyond desktop capabilities Shuttle Radar Topography Mission (SRTM) dataset · 90 m cell size

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

    E-Print Network [OSTI]

    Clarke, Keith

    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

  5. M Sathia Narayanan MAE 609 High Performance Computing

    E-Print Network [OSTI]

    Krovi, Venkat

    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

  6. Highly Integrated, High Performance, Imaging Detector Systems Using

    E-Print Network [OSTI]

    Fossum, Eric R.

    performance - Susceptible to bulk radiation damage so radiation"soft" · CCDs are large capacitance devices so.3 volt) operation - Fast, digital readout - More radiation hard than CCDs · Strong commercial, biomedical Miniaturized imaging instruments Space telescopes - Spacecraft Star trackers Optical navigation Optical comm

  7. Performance analysis of memory hierachies in high performance systems

    SciTech Connect (OSTI)

    Yogesh, A.

    1993-07-01T23:59:59.000Z

    This thesis studies memory bandwidth as a performance predictor of programs. The focus of this work is on computationally intensive programs. These programs are the most likely to access large amounts of data, stressing the memory system. Computationally intensive programs are also likely to use highly optimizing compilers to produce the fastest executables possible. Methods to reduce the amount of data traffic by increasing the average number of references to each item while it resides in the cache are explored. Increasing the average number of references to each cache item reduces the number of memory requests. Chapter 2 describes the DLX architecture. This is the architecture on which all the experiments were performed. Chapter 3 studies memory moves as a performance predictor for a group of application programs. Chapter 4 introduces a model to study the performance of programs in the presence of memory hierarchies. Chapter 5 explores some compiler optimizations that can help increase the references to each item while it resides in the cache.

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

    Energy Savers [EERE]

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

  9. High intensity performance of the Brookhaven AGS

    SciTech Connect (OSTI)

    Brennan, J.M.; Roser, T.

    1996-07-01T23:59:59.000Z

    Experience and results from recent high intensity proton running periods of the Brookhaven AGS, during which a record intensity for a proton synchrotron of 6.3 x 10{sup 13} protons/pulse was reached, is presented. This high beam intensity allowed for the simultaneous operation of three high precision rare kaon decay experiments. The record beam intensities were achieved after the 1.5 GeV Booster was commissioned and a transition jump system, a powerful transverse damper, and an rf upgrade in the AGS were completed. Recently even higher intensity proton synchrotrons are studied for neutron spallation sources or proton driver for a muon collider. Implications of the experiences from the AGS to these proposals and also possible future upgrades for the AGS are discussed.

  10. 1High Performance Computing at Liberal Arts Colleges Workshop 3

    E-Print Network [OSTI]

    Barr, Valerie

    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

  11. Applying High Performance Computing to Analyzing by Probabilistic Model Checking

    E-Print Network [OSTI]

    Schneider, Carsten

    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

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

    E-Print Network [OSTI]

    Shahriar, Selim

    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

  13. Software Reuse in High Performance Computing Shirley Browne

    E-Print Network [OSTI]

    Dongarra, Jack

    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

  14. Advanced Environments and Tools for High Performance Computing

    E-Print Network [OSTI]

    Walker, David W.

    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

  15. Universal High Performance Computing ---We Have Just Begun

    E-Print Network [OSTI]

    California at Berkeley, University of

    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

  16. 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

  17. Evaluating Parameter Sweep Workflows in High Performance Computing*

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    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

  18. Studying Code Development for High Performance Computing: The HPCS Program

    E-Print Network [OSTI]

    Basili, Victor R.

    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

  19. Software Reuse in High Performance Computing Shirley Browne

    E-Print Network [OSTI]

    Hawick, Ken

    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

  20. High Performance www.rrze.uni-erlangen.de

    E-Print Network [OSTI]

    Fiebig, Peter

    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

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

    E-Print Network [OSTI]

    Gerber, Richard

    2014-01-01T23:59:59.000Z

    Journal   of   High   Performance  Computing  Applications  Target  2017   High  Performance  Computing  and  Storage  to   characterize   High   Performance   Computing   (HPC)  

  2. High Performance Window Attachments | Department of Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels Data Center Home Page onYouTube YouTube Note: Since the.pdfBreaking of Blythe Solar Power ProjectHawai'iPresentedHigh PenetrationEnergyHigh

  3. High-Performance Computing at Los

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh School football High School football Fancy

  4. High Performance Computing Data Center Metering Protocol

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEN TOTechnologyHighLouisiana | Department ofHigh

  5. High Performance and Sustainable Buildings Guidance

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEN TOTechnologyHighLouisianaDepartment of HIGH

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

    E-Print Network [OSTI]

    Engelmann, Christian

    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

  7. High Performance Thermal Interface Technology Overview

    E-Print Network [OSTI]

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

    2008-01-07T23:59:59.000Z

    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.

  8. High Performance Computing Richard F. BARRETT

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cn SunnybankD.jpgHanfordDepartmentInnovationHigh Flux Isotopethe Role of

  9. Building America Webinar: High Performance Space Conditioning...

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

    EST 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...

  10. High-Quality Microlenses and High-Performance Systems For Optical Microelectromechanical Systems

    E-Print Network [OSTI]

    O'Brien, James F.

    High-Quality Microlenses and High-Performance Systems For Optical Microelectromechanical Systems Paper Detailing Opportunities Abstract: Major opportunities exist for optical microelectromechanical systems (MEMS) and, despite recent economic setbacks for companies working in the field, concentrated

  11. High-performance commercial building systems

    E-Print Network [OSTI]

    Selkowitz, Stephen

    2003-01-01T23:59:59.000Z

    IAQ, with possible improvements in attendance, health and learning in schools and performance and productivity

  12. High-Performance Energy Applications and Systems

    SciTech Connect (OSTI)

    Miller, Barton

    2014-05-19T23:59:59.000Z

    The Paradyn project has a history of developing algorithms, techniques, and software that push the cutting edge of tool technology for high-end computing systems. Under this funding, we are working on a three-year agenda to make substantial new advances in support of new and emerging Petascale systems. The overall goal for this work is to address the steady increase in complexity of these petascale systems. Our work covers two key areas: (1) The analysis, instrumentation and control of binary programs. Work in this area falls under the general framework of the Dyninst API tool kits. (2) Infrastructure for building tools and applications at extreme scale. Work in this area falls under the general framework of the MRNet scalability framework. Note that work done under this funding is closely related to work done under a contemporaneous grant, “Foundational Tools for Petascale Computing”, SC0003922/FG02-10ER25940, UW PRJ27NU.

  13. System Identification and Modelling of a High Performance Hydraulic Actuator

    E-Print Network [OSTI]

    Hayward, Vincent

    System Identification and Modelling of a High Performance Hydraulic Actuator Benoit Boulet, Laeeque with the experimental identification and modelling of the nonlinear dynamics ofa high performance hydraulic actuator. The actuator properties and performance are also discussed. 1 Introduction Hydraulic actuation used to be

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

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

    Sustainable Buildings Guiding Principles for Federal Leadership in High-Performance and Sustainable Buildings The Federal Energy Management Program (FEMP) provides guidance to...

  15. Building Algorithm-Based Energy Efficient High Performance Computing...

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

    Building Algorithm-Based Energy Efficient High Performance Computing Systems with Resilience Event Sponsor: Mathematics and Computing Science Seminar Start Date: May 12 2015 -...

  16. Dynamic Protocol Tuning Algorithms for High Performance Data...

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

    Dynamic Protocol Tuning Algorithms for High Performance Data Transfers Event Sponsor: Mathematics and Computing Science Seminar Start Date: Apr 3 2015 - 2:00pm BuildingRoom:...

  17. NNSA Presents SRS with Award for Achieving High Performance Sustainabl...

    National Nuclear Security Administration (NNSA)

    Presents SRS with Award for Achieving High Performance Sustainable Building Status | National Nuclear Security Administration Facebook Twitter Youtube Flickr RSS People Mission...

  18. 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....

  19. Energy Design Guidelines for High Performance Schools: Hot and...

    Energy Savers [EERE]

    Climates Energy Design Guidelines for High Performance Schools: Hot and Humid Climates School districts around the country are finding that the smart energy choices can help them...

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

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

    Real Estate Broker (and Tenant) Education and Engagement Program Solution 6 - Energy Efficiency Code Variance Process High-Performance Leasing Barriers What's needed - *...

  1. Stretchable and High-Performance Supercapacitors with Crumpled Graphene Papers

    E-Print Network [OSTI]

    Zang, Jianfeng

    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 ...

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

    Energy Savers [EERE]

    Leadership in High Performance and Sustainable Buildings Memorandum of Understanding Green Building Certification Systems Requirement for New Federal Buildings and Major...

  3. Dish/Stirling High-Performance Thermal Storage

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

    studies Goal: * Demonstrate the feasibility of significant thermal storage for dish Stirling systems to leverage their existing high performance to greater capacity * Demonstrate...

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

    Energy Savers [EERE]

    High and Low Temperature Performance of NOx Reduction Materials 2013 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer...

  5. in High Performance Computing Computer System, Cluster, and Networking...

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

    iSSH v. Auditd: Intrusion Detection in High Performance Computing Computer System, Cluster, and Networking Summer Institute David Karns, New Mexico State University Katy Protin,...

  6. High-Performance Home Technologies: Solar Thermal & Photovoltaic...

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

    in each of the volumes. High-Performance Home Technologies: Solar Thermal & Photovoltaic Systems More Documents & Publications Building America Whole-House Solutions for...

  7. A Comparison of Library Tracking Methods in High Performance

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

    Library Tracking Methods in High Performance Computing Computer System Cluster and Networking Summer Institute 2013 Poster Seminar William Rosenberger (New Mexico Tech), Dennis...

  8. LBNL: High Performance Active Perimeter Building Systems - 2015...

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

    Eleanor Lee, LBNL View the Presentation LBNL: High Performance Active Perimeter Building Systems - 2015 Peer Review More Documents & Publications FLEXLAB LBNL: NYC Office...

  9. 64 _____________________________________Math & Computational Sciences Division High Performance Computing and Visualization

    E-Print Network [OSTI]

    Perkins, Richard A.

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

  10. 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...

  11. High Performance Computing at the Oak Ridge Leadership Computing...

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

    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...

  12. Rethinking the idealized morphology in high-performance organic...

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

    Rethinking the idealized morphology in high-performance organic photovoltaics December 9, 2011 Tweet EmailPrint Traditionally, organic photovoltaic (OPV) active layers are viewed...

  13. 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...

  14. Enhanced High Temperature Performance of NOx Storage/Reduction...

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

    Program Annual Merit Review and Peer Evaluation ace026peden2011o.pdf More Documents & Publications Enhanced High Temperature Performance of NOx StorageReduction (NSR) Materials...

  15. DOE ASSESSMENT SEAB Recommendations Related to High Performance...

    Office of Environmental Management (EM)

    of 10 DOE ASSESSMENT SEAB Recommendations Related to High Performance Computing 1. Introduction The Department of Energy (DOE) is planning to develop and deliver capable exascale...

  16. DOE Announces Webinars on High Performance Space Conditioning...

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

    18: Live Webinar on High Performance Space Conditioning Systems, Part II Webinar Sponsor: Building Technologies Office The Energy Department will present a live webinar titled...

  17. Sandia National Laboratories: high-performance computing

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

    performance computing Sandian Re-Elected as President of the Association for Computing Machinery Special Interest Group on Graphics and Interactive Techniques On July 8, 2014, in...

  18. High performance phenolic piping for oilfield applications

    SciTech Connect (OSTI)

    Folkers, J.L. [Ameron International, Burkburnett, TX (United States); Friedrich, R.S.; Fortune, M. [Ameron International, South Gate, CA (United States)

    1997-08-01T23:59:59.000Z

    The performance advantages of phenolic resins have been enticing for composites manufacturers and users for many years. The use of these materials has been limited, however, by the process, handling and assembly difficulties they present. This paper introduces an innovative modification which has allowed the development of a filament wound piping system for oilfield applications which previously had been beyond the performance envelope of fiberglass pipe. Improvement in temperature resistance and response to steam exposure, as compared to conventional epoxy products, are of particular benefit. Fabrication innovations are also included which can be used where impact resistance or fire performance are needed.

  19. High Performance Electrolyzers for Hybrid Thermochemical Cycles

    SciTech Connect (OSTI)

    Dr. John W. Weidner

    2009-05-10T23:59:59.000Z

    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.

  20. High Performance Information Filtering on Many-core Processors

    E-Print Network [OSTI]

    Tripathy, Aalap

    2013-12-06T23:59:59.000Z

    -purpose usage as application-coprocessors and are now widely used in high performance computing due to exceptional floating-point performance, memory bandwidth and power efficiency. GPU manufacturers have released API’s and programming models for application...

  1. Benchmarking: More Aspects of High Performance Computing

    SciTech Connect (OSTI)

    Rahul Ravindrudu

    2004-12-19T23:59:59.000Z

    The original HPL algorithm makes the assumption that all data can be fit entirely in the main memory. This assumption will obviously give a good performance due to the absence of disk I/O. However, not all applications can fit their entire data in memory. These applications which require a fair amount of I/O to move data to and from main memory and secondary storage, are more indicative of usage of an Massively Parallel Processor (MPP) System. Given this scenario a well designed I/O architecture will play a significant part in the performance of the MPP System on regular jobs. And, this is not represented in the current Benchmark. The modified HPL algorithm is hoped to be a step in filling this void. The most important factor in the performance of out-of-core algorithms is the actual I/O operations performed and their efficiency in transferring data to/from main memory and disk, Various methods were introduced in the report for performing I/O operations. The I/O method to use depends on the design of the out-of-core algorithm. Conversely, the performance of the out-of-core algorithm is affected by the choice of I/O operations. This implies, good performance is achieved when I/O efficiency is closely tied with the out-of-core algorithms. The out-of-core algorithms must be designed from the start. It is easily observed in the timings for various plots, that I/O plays a significant part in the overall execution time. This leads to an important conclusion, retro-fitting an existing code may not be the best choice. The right-looking algorithm selected for the LU factorization is a recursive algorithm and performs well when the entire dataset is in memory. At each stage of the loop the entire trailing submatrix is read into memory panel by panel. This gives a polynomial number of I/O reads and writes. If the left-looking algorithm was selected for the main loop, the number of I/O operations involved will be linear on the number of columns. This is due to the data access pattern for the left-looking factorization. The right-looking algorithm performs better for in-core data, but the left-looking will perform better for out-of-core data due to the reduced I/O operations. Hence the conclusion that out-of-core algorithms will perform better when designed from start. The out-of-core and thread based computation do not interact in this case, since I/O is not done by the threads. The performance of the thread based computation does not depend on I/O as the algorithms are in the BLAS algorithms which assumes all the data to be in memory. This is the reason the out-of-core results and OpenMP threads results were presented separately and no attempt to combine them was made. In general, the modified HPL performs better with larger block sizes, due to less I/O involved for out-of-core part and better cache utilization for the thread based computation.

  2. High Performance Green LEDs by Homoepitaxial

    SciTech Connect (OSTI)

    Wetzel, Christian; Schubert, E Fred

    2009-11-22T23:59:59.000Z

    This work's objective was the development of processes to double or triple the light output power from green and deep green (525 - 555 nm) AlGaInN light emitting diode (LED) dies within 3 years in reference to the Lumileds Luxeon II. The project paid particular effort to all aspects of the internal generation efficiency of light. LEDs in this spectral region show the highest potential for significant performance boosts and enable the realization of phosphor-free white LEDs comprised by red-green-blue LED modules. Such modules will perform at and outperform the efficacy target projections for white-light LED systems in the Department of Energy's accelerated roadmap of the SSL initiative.

  3. High Performance Dense Linear System Solver with Soft Error Resilience

    E-Print Network [OSTI]

    Dongarra, Jack

    High Performance Dense Linear System Solver with Soft Error Resilience Peng Du, Piotr Luszczek systems, and in some scientific applications C/R is not applicable for soft error at all due to error) high performance dense linear system solver with soft error resilience. By adopting a mathematical

  4. High Performance Control I. M. Y. Mareels2

    E-Print Network [OSTI]

    Moore, John Barratt

    in conjunction with #12;vi Preface linear quadratic optimal control with frequency shaping to achieve robustness The engineering objective of high performance control using the tools of optimal control theory, robust control it has. Many systems today are control system limited and the quest is for high performance in the real

  5. "Exploring damage management of high performance metallic alloys in critical

    E-Print Network [OSTI]

    Acton, Scott

    Fatigue Localized corrosion degrades fatigue performance of high strength aluminum alloys. The expense and Aluminum Alloys Exposure to a moist environment degrades the fatigue resistance of all aluminum alloys"Exploring damage management of high performance metallic alloys in critical systems to develop new

  6. Molecular Dynamics Simulations on High-Performance Reconfigurable

    E-Print Network [OSTI]

    Herbordt, Martin

    23 Molecular Dynamics Simulations on High-Performance Reconfigurable Computing Systems MATT CHIU. 2010. Molecular dynamics simulations on high performance recon- figurable computing systems. ACM Trans://doi.acm.org/10.1145/1862648.1862653. 1. INTRODUCTION Molecular dynamics simulation (MD) is a

  7. High performance, close-spaced thermionic converters

    SciTech Connect (OSTI)

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

    1983-08-01T23:59:59.000Z

    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.

  8. Highlighting High Performance: Blackstone Valley Regional Vocational Technical High School; Upton, Massachusetts

    SciTech Connect (OSTI)

    Not Available

    2006-10-01T23:59:59.000Z

    This brochure describes the key high-performance building features of the Blackstone Valley High School. The brochure was paid for by the Massachusetts Technology Collaborative as part of their Green Schools Initiative. High-performance features described are daylighting and energy-efficient lighting, indoor air quality, solar energy, building envelope, heating and cooling systems, and water conservation. Energy cost savings are also discussed.

  9. High-performance commercial building facades

    SciTech Connect (OSTI)

    Lee, Eleanor; Selkowitz, Stephen; Bazjanac, Vladimir; Inkarojrit, Vorapat; Kohler, Christian

    2002-06-01T23:59:59.000Z

    This study focuses on advanced building facades that use daylighting, sun control, ventilation systems, and dynamic systems. A quick perusal of the leading architectural magazines, or a discussion in most architectural firms today will eventually lead to mention of some of the innovative new buildings that are being constructed with all-glass facades. Most of these buildings are appearing in Europe, although interestingly U.S. A/E firms often have a leading role in their design. This ''emerging technology'' of heavily glazed fagades is often associated with buildings whose design goals include energy efficiency, sustainability, and a ''green'' image. While there are a number of new books on the subject with impressive photos and drawings, there is little critical examination of the actual performance of such buildings, and a generally poor understanding as to whether they achieve their performance goals, or even what those goals might be. Even if the building ''works'' it is often dangerous to take a design solution from one climate and location and transport it to a new one without a good causal understanding of how the systems work. In addition, there is a wide range of existing and emerging glazing and fenestration technologies in use in these buildings, many of which break new ground with respect to innovative structural use of glass. It is unclear as to how well many of these designs would work as currently formulated in California locations dominated by intense sunlight and seismic events. Finally, the costs of these systems are higher than normal facades, but claims of energy and productivity savings are used to justify some of them. Once again these claims, while plausible, are largely unsupported. There have been major advances in glazing and facade technology over the past 30 years and we expect to see continued innovation and product development. It is critical in this process to be able to understand which performance goals are being met by current technology and design solutions, and which ones need further development and refinement. The primary goal of this study is to clarify the state-of-the-art of the performance of advanced building facades so that California building owners and designers can make informed decisions as to the value of these building concepts in meeting design goals for energy efficiency, ventilation, productivity and sustainability.

  10. High performance magnet power supply optimization

    SciTech Connect (OSTI)

    Jackson, L.T.

    1988-01-01T23:59:59.000Z

    The power supply system for the joint LBL--SLAC proposed accelerator PEP provides the opportunity to take a fresh look at the current techniques employed for controlling large amounts of dc power and the possibility of using a new one. A basic requirement of +- 100 ppM regulation is placed on the guide field of the bending magnets and quadrupoles placed around the 2200 meter circumference of the accelerator. The optimization questions to be answered by this paper are threefold: Can a firing circuit be designed to reduce the combined effects of the harmonics and line voltage combined effects of the harmonics and line voltage unbalance to less than 100 ppM in the magnet field. Given the ambiguity of the previous statement, is the addition of a transistor bank to a nominal SCR controlled system the way to go or should one opt for an SCR chopper system running at 1 KHz where multiple supplies are fed from one large dc bus and the cost--performance evaluation of the three possible systems.

  11. Achieving "Green" Concrete Through The Use Of High Performance FiberThe Use Of High Performance Fiber

    E-Print Network [OSTI]

    Chao, Shih-Ho

    Achieving "Green" Concrete Through The Use Of High Performance FiberThe Use Of High Performance Fiber Reinforced Concrete ShihShih--Ho Chao,Ho Chao, Ph.DPh.D Assistant Professor, Department of Civil, 2008 #12;What is D rable Concrete?What is D rable Concrete?What is Durable Concrete?What is Durable

  12. High Performance Walls in Hot-Dry Climates

    SciTech Connect (OSTI)

    Hoeschele, M.; Springer, D.; Dakin, B.; German, A.

    2015-01-01T23:59:59.000Z

    High performance walls represent a high priority measure for moving the next generation of new homes to the Zero Net Energy performance level. The primary goal in improving wall thermal performance revolves around increasing the wall framing from 2x4 to 2x6, adding more cavity and exterior rigid insulation, achieving insulation installation criteria meeting ENERGY STAR's thermal bypass checklist, and reducing the amount of wood penetrating the wall cavity.

  13. Towards an Abstraction-Friendly Programming Model for High Productivity and High Performance Computing

    SciTech Connect (OSTI)

    Liao, C; Quinlan, D; Panas, T

    2009-10-06T23:59:59.000Z

    General purpose languages, such as C++, permit the construction of various high level abstractions to hide redundant, low level details and accelerate programming productivity. Example abstractions include functions, data structures, classes, templates and so on. However, the use of abstractions significantly impedes static code analyses and optimizations, including parallelization, applied to the abstractions complex implementations. As a result, there is a common perception that performance is inversely proportional to the level of abstraction. On the other hand, programming large scale, possibly heterogeneous high-performance computing systems is notoriously difficult and programmers are less likely to abandon the help from high level abstractions when solving real-world, complex problems. Therefore, the need for programming models balancing both programming productivity and execution performance has reached a new level of criticality. We are exploring a novel abstraction-friendly programming model in order to support high productivity and high performance computing. We believe that standard or domain-specific semantics associated with high level abstractions can be exploited to aid compiler analyses and optimizations, thus helping achieving high performance without losing high productivity. We encode representative abstractions and their useful semantics into an abstraction specification file. In the meantime, an accessible, source-to-source compiler infrastructure (the ROSE compiler) is used to facilitate recognizing high level abstractions and utilizing their semantics for more optimization opportunities. Our initial work has shown that recognizing abstractions and knowing their semantics within a compiler can dramatically extend the applicability of existing optimizations, including automatic parallelization. Moreover, a new set of optimizations have become possible within an abstraction-friendly and semantics-aware programming model. In the future, we will apply our programming model to more large scale applications. In particular, we plan to classify and formalize more high level abstractions and semantics which are relevant to high performance computing. We will also investigate better ways to allow language designers, library developers and programmers to communicate abstraction and semantics information with each other.

  14. HPGMG 1.0: A Benchmark for Ranking High Performance Computing Systems

    E-Print Network [OSTI]

    Adams, Mark

    2014-01-01T23:59:59.000Z

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

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

    E-Print Network [OSTI]

    Taesombut, Nut

    2007-01-01T23:59:59.000Z

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

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

    E-Print Network [OSTI]

    Antypas, Katie

    2013-01-01T23:59:59.000Z

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

  17. On the user-scheduler relationship in high-performance computing

    E-Print Network [OSTI]

    Lee, Cynthia Bailey

    2009-01-01T23:59:59.000Z

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

  18. PERFORMANCE-RELATED SPECIAL PROVISION FOR HIGH PERFORMANCE CONCRETE MIX DESIGNS FOR CONCRETE SUPERSTRUCTURE (Tollway)

    E-Print Network [OSTI]

    PERFORMANCE-RELATED SPECIAL PROVISION FOR HIGH PERFORMANCE CONCRETE MIX DESIGNS FOR CONCRETE of designing and furnishing high performance portland cement concrete for special applications to the decks the Illinois Tollway with a methodology to assure high quality concrete with reduced shrinkage potential, while

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

    DOE Patents [OSTI]

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

    2014-07-08T23:59:59.000Z

    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.

  20. Nitrogen modification of highly porous carbon for improved supercapacitor performance

    E-Print Network [OSTI]

    Cao, Guozhong

    Nitrogen modification of highly porous carbon for improved supercapacitor performance Stephanie L for supercapacitor applications. Surface modification increases the amount of nitrogen by four times when compared elements in highly porous carbon used for electric double-layer supercapacitors.1 These elements modify

  1. Ductility enhancement of high performance cementitious composites and structures

    E-Print Network [OSTI]

    Chuang, Eugene (Eugene Yu), 1975-

    2002-01-01T23:59:59.000Z

    High performance cementitious composites (HP2C) are a new generation of fiber reinforced cementitious composites (FRCC) with substantial improvements in mechanical behavior. The most important development in these HP2C ...

  2. Anne Arundel County- High Performance Dwelling Property Tax Credit

    Broader source: Energy.gov [DOE]

    The state of Maryland permits local governments (Md Code: Property Tax § 9-242) to offer property tax credits for high performance buildings if they choose to do so. In October 2010 Anne Arundel...

  3. 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...

  4. Energy Star Helps Manufacturers To Achieve High Energy Performance 

    E-Print Network [OSTI]

    Dutrow, E.; Hicks, T.

    2001-01-01T23:59:59.000Z

    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...

  5. Circuits for high-performance low-power VLSI logic

    E-Print Network [OSTI]

    Ma, Albert

    2006-01-01T23:59:59.000Z

    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 ...

  6. 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....

  7. The High Performance Computing Juggling Act | Argonne Leadership...

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

    The High Performance Computing Juggling Act Event Sponsor: Mathematics and Computing Science Seminar Start Date: Feb 17 2015 - 11:00am BuildingRoom: Building 240Room 1404-1405...

  8. High-Performance Organic Light-Emitting Diodes Using ITO

    E-Print Network [OSTI]

    Ho, Seng-Tiong

    High-Performance Organic Light-Emitting Diodes Using ITO Anodes Grown on Plastic by Room,* Mark E. Madsen, Antonio DiVenere, and Seng-Tiong Ho Organic light-emitting diodes (OLEDs) fabricated

  9. Design of wind turbines with Ultra-High Performance Concrete

    E-Print Network [OSTI]

    Jammes, François-Xavier

    2009-01-01T23:59:59.000Z

    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 ...

  10. The Faculty of Arts and Sciences High Performance Computing Core

    E-Print Network [OSTI]

    O'Hern, Corey S.

    The Faculty of Arts and Sciences High Performance Computing Core Advanced Computational Support/09/2010-9FAS HPC Center #12;Understanding Data Requirements 04/09/2010-10FAS HPC Center Source: Adriana Corona

  11. 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).

  12. High performance CMOS integrated circuits for optical receivers

    E-Print Network [OSTI]

    SamadiBoroujeni, MohammadReza

    2009-05-15T23:59:59.000Z

    Prasad Enjeti Head of Department, Costas Georghiades December 2006 Major Subject: Electrical Engineering iii ABSTRACT High Performance CMOS Integrated Circuits for Optical Receivers. (December 2006) MohammadReza SamadiBoroujeni, B...

  13. Energy Star Helps Manufacturers To Achieve High Energy Performance

    E-Print Network [OSTI]

    Dutrow, E.; Hicks, T.

    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...

  14. Unravelling the Performance Degradation Mechanisms in High-voltage...

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

    Unravelling the Performance Degradation Mechanisms in High-voltage Lithium-ion Battery Composite Oxide Electrodes Apr 11 2014 02:00 PM - 03:00 PM Debasish Mohanty, ORNL, Oak Ridge...

  15. FUTURE POWER GRID INITIATIVE Real-time High-Performance

    E-Print Network [OSTI]

    FUTURE POWER GRID INITIATIVE Real-time High-Performance Computing Infrastructure for Next- Generation Power Grid Analysis OBJECTIVE » We are developing infrastructure, software, formal models for real Infrastructure Operations Center (EIOC), the Pacific Northwest National Laboratory's (PNNL) national electric

  16. Howard County- High Performance and Green Building Property Tax Credit

    Broader source: Energy.gov [DOE]

    The state of Maryland permits local governments (Md Code: Property Tax § 9-242) to offer property tax credits for high performance buildings and energy conservation devices (Md Code: Property Tax §...

  17. Montgomery County- High Performance Building Property Tax Credit

    Broader source: Energy.gov [DOE]

    The state of Maryland permits local governments (Md Code: Property Tax § 9-242) to offer property tax credits for high performance buildings if they choose to do so. Montgomery County has...

  18. Local Option- Property Tax Credit for High Performance Buildings

    Broader source: Energy.gov [DOE]

    Similar to Maryland's Local Option Property Tax Credit for Renewable Energy, Title 9 of Maryland's property tax code creates an optional property tax credit for high performance buildings. This...

  19. GeoComputational Intelligence and High-Performance Geospatial Computing

    E-Print Network [OSTI]

    Guan, Qingfeng

    2011-11-16T23:59:59.000Z

    GeoComputational Intelligence and High-performance Geospatial Computing Qingfeng (Gene) Guan, Ph.D Center for Advanced Land Management Information Technologies School of Natural Resources University of Nebraska - Lincoln GIS Day @ University... of Kansas Nov. 16th, 2011 Contents 1. Computational Science and GeoComputation 2. GeoComputational Intelligence - ANN-based Urban-CA model 3. High-performance Geospatial Computing - Parallel Geostatistical Areal Interpolation - pRPL and pSLEUTH 4. Conclusion...

  20. High performance capacitors using nano-structure multilayer materials fabrication

    DOE Patents [OSTI]

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

    1996-01-23T23:59:59.000Z

    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.

  1. High performance capacitors using nano-structure multilayer materials fabrication

    DOE Patents [OSTI]

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

    1996-01-01T23:59:59.000Z

    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.

  2. High performance capacitors using nano-structure multilayer materials fabrication

    DOE Patents [OSTI]

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

    1995-01-01T23:59:59.000Z

    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.

  3. High performance capacitors using nano-structure multilayer materials fabrication

    DOE Patents [OSTI]

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

    1995-05-09T23:59:59.000Z

    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.

  4. High voltage stability performance of a gamma ray detection device

    SciTech Connect (OSTI)

    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

    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.

  5. SIMS analysis of high-performance accelerator niobium

    SciTech Connect (OSTI)

    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

    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.

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

    E-Print Network [OSTI]

    Engelmann, Christian

    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

  7. High performance computing and communications: FY 1997 implementation plan

    SciTech Connect (OSTI)

    NONE

    1996-12-01T23:59:59.000Z

    The High Performance Computing and Communications (HPCC) Program was formally authorized by passage, with bipartisan support, of the High-Performance Computing Act of 1991, signed on December 9, 1991. The original Program, in which eight Federal agencies participated, has now grown to twelve agencies. This Plan provides a detailed description of the agencies` FY 1996 HPCC accomplishments and FY 1997 HPCC plans. Section 3 of this Plan provides an overview of the HPCC Program. Section 4 contains more detailed definitions of the Program Component Areas, with an emphasis on the overall directions and milestones planned for each PCA. Appendix A provides a detailed look at HPCC Program activities within each agency.

  8. High performance APCS conceptual design and evaluation scoping study

    SciTech Connect (OSTI)

    Soelberg, N.; Liekhus, K.; Chambers, A.; Anderson, G.

    1998-02-01T23:59:59.000Z

    This Air Pollution Control System (APCS) Conceptual Design and Evaluation study was conducted to evaluate a high-performance (APC) system for minimizing air emissions from mixed waste thermal treatment systems. Seven variations of high-performance APCS designs were conceptualized using several design objectives. One of the system designs was selected for detailed process simulation using ASPEN PLUS to determine material and energy balances and evaluate performance. Installed system capital costs were also estimated. Sensitivity studies were conducted to evaluate the incremental cost and benefit of added carbon adsorber beds for mercury control, specific catalytic reduction for NO{sub x} control, and offgas retention tanks for holding the offgas until sample analysis is conducted to verify that the offgas meets emission limits. Results show that the high-performance dry-wet APCS can easily meet all expected emission limits except for possibly mercury. The capability to achieve high levels of mercury control (potentially necessary for thermally treating some DOE mixed streams) could not be validated using current performance data for mercury control technologies. The engineering approach and ASPEN PLUS modeling tool developed and used in this study identified APC equipment and system performance, size, cost, and other issues that are not yet resolved. These issues need to be addressed in feasibility studies and conceptual designs for new facilities or for determining how to modify existing facilities to meet expected emission limits. The ASPEN PLUS process simulation with current and refined input assumptions and calculations can be used to provide system performance information for decision-making, identifying best options, estimating costs, reducing the potential for emission violations, providing information needed for waste flow analysis, incorporating new APCS technologies in existing designs, or performing facility design and permitting activities.

  9. WARPP -A Toolkit for Simulating High-Performance Parallel Scientific Codes

    E-Print Network [OSTI]

    Jarvis, Stephen

    the High Performance Computing (HPC) community, including increasing levels of con- currency (threads, Simulation Keywords Application Performance Modelling, Simulation, High Performance Computing 1. INTRODUCTION

  10. Multijunction Photovoltaic Technologies for High-Performance Concentrators: Preprint

    SciTech Connect (OSTI)

    McConnell, R.; Symko-Davies, M.

    2006-05-01T23:59:59.000Z

    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.

  11. Thermo Scientific Pierce High-Performance Dialysis and

    E-Print Network [OSTI]

    Lebendiker, Mario

    Thermo Scientific Pierce® High-Performance Dialysis and Desalting Technical Handbook Featuring Thermo Scientific Slide-A-Lyzer® Dialysis Cassettes #12;MWCO Membrane 10-100 µl Thermo Scientific Slide-A-Lyzer® MINI Dialysis Unit Page 4 0.1-30 ml Thermo Scientific Slide-A-Lyzer Dialysis Cassette Page 5 15-100 ml

  12. 2008 Nature Publishing Group High-performance lithium battery

    E-Print Network [OSTI]

    Cui, Yi

    © 2008 Nature Publishing Group High-performance lithium battery anodes using silicon nanowires in lithium batteries have shown capacity fading and short battery lifetime due to pulverization and loss December 2007; doi:10.1038/nnano.2007.411 There is great interest in developing rechargeable lithium

  13. Data Mining Middleware for Wide Area High Performance Networks

    E-Print Network [OSTI]

    Grossman, Robert

    1 Data Mining Middleware for Wide Area High Performance Networks Robert L. Grossman*, Yunhong Gu, David Hanley, and Michal Sabala National Center for Data Mining, University of Illinois at Chicago, USA astronomical data from the Sloan Digital Sky Survey (SDSS) and the other involves computing histograms from

  14. Health Care Reform Challenge: Creating a High Performance Healthcare System

    E-Print Network [OSTI]

    Finley Jr., Russell L.

    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

  15. Titanium: A Java Dialect for High Performance Computing

    E-Print Network [OSTI]

    California at Berkeley, University of

    1 1 Titanium: A Java Dialect for High Performance Computing U.C. Berkeley and LBNL http://titanium.cs.berkeley.edu Dan Bonachea (slides courtesy of Kathy Yelick) 2 Titanium Group (Past and Present) · Susan Graham ­ Large scale parallel machines · Titanium is designed for methods with ­ Structured grids ­ Locally

  16. High Performance Circuits for Power Management and Millimeter Wave Applications

    E-Print Network [OSTI]

    Amer, Ahmed 1979-

    2012-01-23T23:59:59.000Z

    to achieve the required goals in terms of small silicon area and power consumption while at the same time achieve high performance. Four key building blocks in power management and a switchable harmonic mixer with pre-amplifier and poly-phase generator as a...

  17. Toward Codesign in High Performance Computing Systems - 06386705...

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

    s f o r t h i s w o r k . 7 . R E F E R E N C E S 1 J . A n g e t a l . High Performance Computing: From Grids and Clouds to Exascale, c h a p t e r E x a s c a l e C o m p u...

  18. Improving Real World Efficiency of High Performance Buildings

    E-Print Network [OSTI]

    this shortfall is critical as the focus on moving toward zero net energy buildings and carbon reductionImproving Real World Efficiency of High Performance Buildings Buildings End-Use Energy Efficiency Research www.energy.ca.gov/research/buildings February 2012 The Issue Highperformance buildings

  19. High-Performance Buildings – Value, Messaging, Financial and Policy Mechanisms

    SciTech Connect (OSTI)

    McCabe, Molly

    2011-02-22T23:59:59.000Z

    At the request of the Pacific Northwest National Laboratory, an in-depth analysis of the rapidly evolving state of real estate investments, high-performance building technology, and interest in efficiency was conducted by HaydenTanner, LLC, for the U.S. Department of Energy (DOE) Building Technologies Program. The analysis objectives were • to evaluate the link between high-performance buildings and their market value • to identify core messaging to motivate owners, investors, financiers, and others in the real estate sector to appropriately value and deploy high-performance strategies and technologies across new and existing buildings • to summarize financial mechanisms that facilitate increased investment in these buildings. To meet these objectives, work consisted of a literature review of relevant writings, examination of existing and emergent financial and policy mechanisms, interviews with industry stakeholders, and an evaluation of the value implications through financial modeling. This report documents the analysis methodology and findings, conclusion and recommendations. Its intent is to support and inform the DOE Building Technologies Program on policy and program planning for the financing of high-performance new buildings and building retrofit projects.

  20. Biofuels' Time of Transition Achieving high performance in a world

    E-Print Network [OSTI]

    Kammen, Daniel M.

    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

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

    E-Print Network [OSTI]

    Abramson, David

    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

  2. High temperature performance of scrap tire rubber modified asphalt concrete

    SciTech Connect (OSTI)

    Coomarasamy, A. [Ministry of Transportation, Downsview, Ontario (Canada); Manolis, S.; Hesp, S. [Queen`s Univ., Kingston, Ontario (Canada)

    1996-12-31T23:59:59.000Z

    Wheel track rutting tests on mixes modified with 30 mesh, 80 mesh, and very fine colloidal crumb rubber particles show that a very significant improvement in performance occurs with a reduction in the rubber particle size. The SHRP binder test for rutting, which was originally developed for homogeneous systems only, does not predict the performance improvement for smaller rubber particles. If these new scrap rubber binder systems are to be used in pavements then rutting tests on the asphalt-aggregate mixture should be conducted in order to accurately predict high temperature performance.

  3. Performance and Competence of Learning Disabled and High-Achieving High School Students on Essential Cognitive Skills

    E-Print Network [OSTI]

    Carolson, Steven A.; Alley, Gordon R.

    1981-07-01T23:59:59.000Z

    This study was designed to measure performance differences of learning disabled and high-achieving high school students judged crucial to academic learning and to determine teacher performance standards on those same crucial learning skills, Results...

  4. Coal-fired high performance power generating system. Final report

    SciTech Connect (OSTI)

    NONE

    1995-08-31T23:59:59.000Z

    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.

  5. High-Performance Computing for Advanced Smart Grid Applications

    SciTech Connect (OSTI)

    Huang, Zhenyu; Chen, Yousu

    2012-07-06T23:59:59.000Z

    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.

  6. High Performance Computing Modeling Advances Accelerator Science for High Energy Physics

    SciTech Connect (OSTI)

    Amundson, James; Macridin, Alexandru; Spentzouris, Panagiotis

    2014-04-29T23:59:59.000Z

    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).

  7. High-Performance Computing Modeling Advances Accelerator Science for High-Energy Physics

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Amundson, James [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Macridin, Alexandru [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States); Spentzouris, Panagiotis [Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)

    2014-11-01T23:59:59.000Z

    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).

  8. High-Performance Computing Modeling Advances Accelerator Science for High-Energy Physics

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Amundson, James; Macridin, Alexandru; Spentzouris, Panagiotis

    2014-11-01T23:59:59.000Z

    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 packagemore »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).« less

  9. Materials integration issues for high performance fusion power systems.

    SciTech Connect (OSTI)

    Smith, D. L.

    1998-01-14T23:59:59.000Z

    One of the primary requirements for the development of fusion as an energy source is the qualification of materials for the frost wall/blanket system that will provide high performance and exhibit favorable safety and environmental features. Both economic competitiveness and the environmental attractiveness of fusion will be strongly influenced by the materials constraints. A key aspect is the development of a compatible combination of materials for the various functions of structure, tritium breeding, coolant, neutron multiplication and other special requirements for a specific system. This paper presents an overview of key materials integration issues for high performance fusion power systems. Issues such as: chemical compatibility of structure and coolant, hydrogen/tritium interactions with the plasma facing/structure/breeder materials, thermomechanical constraints associated with coolant/structure, thermal-hydraulic requirements, and safety/environmental considerations from a systems viewpoint are presented. The major materials interactions for leading blanket concepts are discussed.

  10. High performance computing and communications: FY 1996 implementation plan

    SciTech Connect (OSTI)

    NONE

    1995-05-16T23:59:59.000Z

    The High Performance Computing and Communications (HPCC) Program was formally authorized by passage of the High Performance Computing Act of 1991, signed on December 9, 1991. Twelve federal agencies, in collaboration with scientists and managers from US industry, universities, and research laboratories, have developed the Program to meet the challenges of advancing computing and associated communications technologies and practices. This plan provides a detailed description of the agencies` HPCC implementation plans for FY 1995 and FY 1996. This Implementation Plan contains three additional sections. Section 3 provides an overview of the HPCC Program definition and organization. Section 4 contains a breakdown of the five major components of the HPCC Program, with an emphasis on the overall directions and milestones planned for each one. Section 5 provides a detailed look at HPCC Program activities within each agency.

  11. High Performance Superconducting Wire in High Applied Magnetic Fields via Nanoscale Defect Engineering

    SciTech Connect (OSTI)

    Goyal, Amit [ORNL; Wee, Sung Hun [ORNL; Zuev, Yuri L [ORNL; Cantoni, Claudia [ORNL

    2008-01-01T23:59:59.000Z

    High temperature superconducting (HTS) wires capable of carrying large critical currents with low dissipation levels in high applied magnetic fields are needed for a wide range of applications. In particular, for electric power applications involving rotating machinery, such as large-scale motors and generators, a high critical current, Ic, and a high engineering critical current density, JE, in applied magnetic fields in the range of 3 5 Tesla (T) at 65 K are required. In addition, exceeding the minimum performance requirements needed for these applications results in a lower fabrication cost, which is regarded as crucial to realize or enable many large-scale bulk applications of HTS materials. Here we report the fabrication of short segments of a potential superconducting wire comprised of a 4 m thick YBa2Cu3O7? (YBCO) layer on a biaxially textured substrate with a 50% higher Ic and JE than the highest values reported previously. The YBCO film contained columns of self-assembled nanodots of BaZrO3 (BZO) roughly oriented along the c-axis of YBCO. Although the YBCO film was grown at a high deposition rate, three-dimensional self-assembly of the insulating BZO nanodots still occurred. For all magnetic field orientations, minimum Ic and JE at 65 K, 3 T for the wire were 353 A cm?1 and 65.4 kA cm?2, respectively.

  12. Design and analysis of high performance multistage interconnection networks 

    E-Print Network [OSTI]

    Bhogavilli, Suresh K

    1993-01-01T23:59:59.000Z

    Major Subject: Electrical Engineering ABSTRACT Design and Analysis of High Performance Multistage Interconnection Networks. (December 1993) Suresh K. Bhogavilli, B. Tech. , J. N. T. University Chair of Advisory Committee: Dr. Hosame Abu-Amara Small... the next stage buffers are not full. Thus r, = A and this value doesn't change with network size. But this model results in cycle loss, When a packet from the full buffer moves forward, a cycle is lost since it will not allow the packets...

  13. High-Performance Beam Simulator for the LANSCE Linac

    SciTech Connect (OSTI)

    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

    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.

  14. A secure communications infrastructure for high-performance distributed computing

    SciTech Connect (OSTI)

    Foster, I.; Koenig, G.; Tuecke, S. [and others

    1997-08-01T23:59:59.000Z

    Applications that use high-speed networks to connect geographically distributed supercomputers, databases, and scientific instruments may operate over open networks and access valuable resources. Hence, they can require mechanisms for ensuring integrity and confidentially of communications and for authenticating both users and resources. Security solutions developed for traditional client-server applications do not provide direct support for the program structures, programming tools, and performance requirements encountered in these applications. The authors address these requirements via a security-enhanced version of the Nexus communication library; which they use to provide secure versions of parallel libraries and languages, including the Message Passing Interface. These tools permit a fine degree of control over what, where, and when security mechanisms are applied. In particular, a single application can mix secure and nonsecure communication, allowing the programmer to make fine-grained security/performance tradeoffs. The authors present performance results that quantify the performance of their infrastructure.

  15. A high-performance workflow system for subsurface simulation

    SciTech Connect (OSTI)

    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

    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.

  16. Microstructure, Processing, Performance Relationships for High Temperature Coatings

    SciTech Connect (OSTI)

    Thomas M. Lillo

    2011-04-01T23:59:59.000Z

    This work evaluates the suitability of iron aluminide coatings for use in high temperature fossil fuel combustion environments, such as boiler applications. The coatings are applied using High Velocity Oxy-Fuel (HVOF) thermal spray techniques. Iron aluminide coatings, with the nominal composition of Fe3Al, were applied to various high temperature structural materials (316 Stainless Steel, 9Cr-1Mo steel and Inconel 600) that typically lack inherent resistance to environmental degradation found in fossil fuel combustion atmospheres. Coating/substrate combinations were subjected to thermal cycling to evaluate the effect of HVOF parameters, coating thickness, substrate material and substrate surface roughness on the resistance to coating delamination and cracking. It was found that substrate surface roughness had a profound influence on the performance of a given substrate/coating system and that surface preparation techniques will need to be tailored to the specific substrate material. Also, higher particle velocity during HVOF thermal spray deposition of the iron aluminide coatings tended to result in better-performing coating/substrate systems with less delamination at the coating/substrate interface. Some combinations of HVOF parameters, coating thickness and substrate materials were found to perform extremely well even at temperatures up to 900oC. However, in some cases, substantial reactions at the interface were observed.

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

    E-Print Network [OSTI]

    Engelmann, Christian

    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

  18. 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

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

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

    candidates. * Experimental test systems are under development for high temperature corrosion analysis and test. * High temperature fluid properties (salts mixtures with or...

  20. Revisit of Energy Use and Technologies of High Performance Buildings

    SciTech Connect (OSTI)

    Li , Cheng; Hong , Tianzhen

    2014-03-30T23:59:59.000Z

    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.

  1. U.S. Department of Energy High Performance and Sustainable Buildings...

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

    DOE's commitment to designing, building, operating, and maintaining high performance and sustainable buildings (HPSB). U.S. Department of Energy High Performance and Sustainable...

  2. anion exchange high-performance: Topics by E-print Network

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

    Websites Summary: Abstract Current communications tools and libraries for high performance computing are designed' in our research and (2) high performance collaborative...

  3. alternative high-performance material-based: Topics by E-print...

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

    12 Jalali. Bahram 4 Breaking the Barriers: High Performance Security for High Performance Computing Computer Technologies and Information Sciences Websites Summary: Breaking...

  4. amorphous metals high-performance: Topics by E-print Network

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

    David Lee 2008-01-01 39 Breaking the Barriers: High Performance Security for High Performance Computing Computer Technologies and Information Sciences Websites Summary: Breaking...

  5. actuators alternative high-performance: Topics by E-print Network

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

    12 Jalali. Bahram 14 Breaking the Barriers: High Performance Security for High Performance Computing Computer Technologies and Information Sciences Websites Summary: Breaking...

  6. Scalable, Low-Cost, High Performance IPM Motor for Hybrid Vehicles...

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

    More Documents & Publications Scalable, Low-Cost, High Performance IPM Motor for Hybrid Vehicles Scalable, Low-Cost, High Performance IPM Motor for Hybrid Vehicles Scalable,...

  7. Scalable, Low-Cost, High Performance IPM Motor for Hybrid Vehicles...

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

    More Documents & Publications Scalable, Low-Cost, High Performance IPM Motor for Hybrid Vehicles Scalable, Low-Cost, High Performance IPM Motor for Hybrid Vehicles...

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

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    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

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

    E-Print Network [OSTI]

    Stuttgart, Universität

    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

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

    E-Print Network [OSTI]

    Avrunin, George S.

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

  11. 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...

  12. PID Performance in the LHCb High Level Trigger

    E-Print Network [OSTI]

    Benson, S

    2014-01-01T23:59:59.000Z

    The LHCb High Level Trigger (HLT) incorporates RICH particle identification (PID) calculations that are designed to be faster than those used for the offline reconstruction, which is necessary due to the timing constraints imposed on the HLT. The performance of this faster calculation has been evaluated using $B^+ \\to \\overline{D}^0\\pi^+$ events recorded during 2011 data taking and compared against the performance of the offline calculation. The time taken to calculate PID information in the HLT has been measured both for the configuration used in Run 1, and for configurations approaching that used offline. Similar overall efficiency and misidentification performance is seen in the configurations used offline and in the HLT, though the raw values of PID variables can differ substantially for a given candidate.

  13. Enhancements to High Temperature In-Pile Thermocouple Performance

    SciTech Connect (OSTI)

    J.C. Crepeau; J.L. Rempe; J.E. Daw; D.L. Knudson: K.G. Condie; S.C. Wilkins

    2008-03-31T23:59:59.000Z

    A joint University of Idaho (UI) and Idaho National Laboratory (INL) University Nuclear Research Initiative (UNERI) was to initiated to extend initial INL efforts to develop doped molybdenum/niobium alloy High Temperature Irradiation Resistant Thermocouples (HTIR-TCs). The overall objective of this UNERI was to develop recommendations for an optimized thermocouple design for high temperature, long duration, in-pile testing by expanding upon results from initial INL efforts. Tasks to quantify the impact of candidate enhancements, such as alternate alloys, alternate geometries, and alternate thermocouple fabrication techniques, on thermocouple performance were completed at INL's High Temperature Test Laboratory (HTTL), a state of the art facility equipped with specialized equipment and trained staff in the area of high temperature instrumentation development and evaluation. Key results of these evaluations, which are documented in this report, are as follows. The doped molybdenum and Nb-1%Zr, which were proposed in the initial INL HTIR-TC design, were found to retain ductility better than the developmental molybdenum-low niobium alloys and the niobium-low molybdenum alloys evaluated. Hence, the performance and lower cost of the commercially available KW-Mo makes a thermocouple containing KW-Mo and Nb-1%Zr the best option at this time. HTIR-TCs containing larger diameter wires offer the potential to increase HTIR-TC stability and reliability at higher temperatures. HTIR-TC heat treatment temperatures and times should be limited to not more than 100 C above the proposed operating temperatures and to durations of at least 4 to 5 hours. Preliminary investigations suggest that the performance of swaged and loose assembly HTIR-TC designs is similar. However, the swaged designs are less expensive and easier to construct. In addition to optimizing HTIR-TC performance, This UNERI project provided unique opportunities to several University of Idaho students, allowing them to become familiar with the techniques and equipment used for specialized high temperature instrumentation fabrication and evaluation and to author/coauthor several key conference papers and journal articles.

  14. Enhancements to High Temperature In-Pile Thermocouple Performance

    SciTech Connect (OSTI)

    J. C. Crepeau; J. L. Rempe; J. E. Daw; D. L. Knudson; K. G. Condie; S. C. Wilkins

    2008-03-01T23:59:59.000Z

    A joint University of Idaho (UI) and Idaho National Laboratory (INL) University Nuclear Research Initiative (UNERI) was to initiated to extend initial INL efforts to develop doped lybdenum/niobium alloy High Temperature Irradiation Resistant Thermocouples (HTIR-TCs). The overall objective of this UNERI was to develop recommendations for an optimized thermocouple design for high temperature, long duration, in-pile testing by expanding upon results from initial INL efforts. Tasks to quantify the impact of candidate enhancements, such as alternate alloys, alternate geometries, and alternate thermocouple fabrication techniques, on thermocouple performance were completed at INL's High Temperature Test Laboratory (HTTL), a state of the art facility equipped with specialized equipment and trained staff in the area of high temperature instrumentation development and evaluation. Key results of these evaluations, which are documented in this report, are as follows. The doped molybdenum and Nb-1%Zr, which were proposed in the initial INL HTIR-TC design, were found to retain ductility better than the developmental molybdenum-low niobium alloys and the niobium-low molybdenum alloys evaluated. Hence, the performance and lower cost of the commercially available KW-Mo makes a thermocouple containing KW-Mo and Nb-1%Zr the best option at this time. HTIR-TCs containing larger diameter wires offer the potential to increase HTIR-TC stability and reliability at higher temperatures. HTIR-TC heat treatment temperatures and times should be limited to not more than 100 °C above the proposed operating temperatures and to durations of at least 4 to 5 hours. Preliminary investigations suggest that the performance of swaged and loose assembly HTIR-TC designs is similar. However, the swaged designs are less expensive and easier to construct. In addition to optimizing HTIR-TC performance, This UNERI project provided unique opportunities to several University of Idaho students, allowing them to become familiar with the techniques and equipment used for specialized high temperature instrumentation fabrication and evaluation and to author/coauthor several key conference papers and journal articles.

  15. Performance of Nb3Sn Quadrupole Under High Stress

    SciTech Connect (OSTI)

    Felice, H.; Bajko, M.; Bingham, B.; Bordini, B.; Bottura, L.; Caspi, S.; Rijk, G. De; Dietderich, D.; Ferracin, P.; Giloux, C.; Godeke, A.; Hafalia, R.; Milanese, A.; Rossi, L.; Sabbi, G. L.

    2010-08-01T23:59:59.000Z

    Future upgrades of the Large Hadron Collider (LHC) will require large aperture and high gradient quadrupoles. Nb{sub 3}Sn is the most viable option for this application but is also known for its strain sensitivity. In high field magnets, with magnetic fields above 12 T, the Lorentz forces will generate mechanical stresses that may exceed 200 MPa in the windings. The existing measurements of critical current versus strain of Nb{sub 3}Sn strands or cables are not easily applicable to magnets. In order to investigate the impact of high mechanical stress on the quench performance, a series of tests was carried out within a LBNL/CERN collaboration using the magnet TQS03 (a LHC Accelerator Research Program (LARP) 1-meter long, 90-mm aperture Nb{sub 3}Sn quadrupole). The magnet was tested four times at CERN under various pre-stress conditions. The average mechanical compressive azimuthal pre-stress on the coil at 4.2 K ranged from 120 MPa to 200 MPa. This paper reports on the magnet performance during the four tests focusing on the relation between pre-stress conditions and the training plateau.

  16. High performance transistors via aligned polyfluorene-sorted carbon nanotubes

    SciTech Connect (OSTI)

    Brady, Gerald J.; Joo, Yongho; Singha Roy, Susmit; Gopalan, Padma; Arnold, Michael S., E-mail: msarnold@wisc.edu [Department of Materials Science and Engineering, University of Wisconsin-Madison, 1509 University Avenue, Madison, Wisconsin 53706 (United States)

    2014-02-24T23:59:59.000Z

    We evaluate the performance of exceptionally electronic-type sorted, semiconducting, aligned single-walled carbon nanotubes (s-SWCNTs) in field effect transistors (FETs). High on-conductance and high on/off conductance modulation are simultaneously achieved at channel lengths which are both shorter and longer than individual s-SWCNTs. The s-SWCNTs are isolated from heterogeneous mixtures using a polyfluorene-derivative as a selective agent and aligned on substrates via dose-controlled, floating evaporative self-assembly at densities of ?50 s-SWCNTs ?m{sup ?1}. At a channel length of 9??m the s-SWCNTs percolate to span the FET channel, and the on/off ratio and charge transport mobility are 2.2?×?10{sup 7} and 46?cm{sup 2}?V{sup ?1}?s{sup ?1}, respectively. At a channel length of 400?nm, a large fraction of the s-SWCNTs directly span the channel, and the on-conductance per width is 61??S??m{sup ?1} and the on/off ratio is 4?×?10{sup 5}. These results are considerably better than previous solution-processed FETs, which have suffered from poor on/off ratio due to spurious metallic nanotubes that bridge the channel. 4071 individual and small bundles of s-SWCNTs are tested in 400?nm channel length FETs, and all show semiconducting behavior, demonstrating the high fidelity of polyfluorenes as selective agents and the promise of assembling s-SWCNTs from solution to create high performance semiconductor electronic devices.

  17. Strategy Guideline: Advanced Construction Documentation Recommendations for High Performance Homes

    SciTech Connect (OSTI)

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

    2011-12-01T23:59:59.000Z

    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.

  18. NREL: Energy Systems Integration Facility - High-Performance Computing and

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC)Integrated CodesTransparency Visit | NationalWebmasterAnalytics High-Performance

  19. 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]

    Sussex, University of

    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

  20. Towards High Performance Processing In Modern Java Based Control Systems

    E-Print Network [OSTI]

    Misiowiec, M; Buttner, M

    2011-01-01T23:59:59.000Z

    CERN controls software is often developed on Java foundation. Some systems carry out a combination of data, network and processor intensive tasks within strict time limits. Hence, there is a demand for high performing, quasi real time solutions. Extensive prototyping of the new CERN monitoring and alarm software required us to address such expectations. The system must handle dozens of thousands of data samples every second, along its three tiers, applying complex computations throughout. To accomplish the goal, a deep understanding of multithreading, memory management and interprocess communication was required. There are unexpected traps hidden behind an excessive use of 64 bit memory or severe impact on the processing flow of modern garbage collectors. Tuning JVM configuration significantly affects the execution of the code. Even more important is the amount of threads and the data structures used between them. Accurately dividing work into independent tasks might boost system performance. Thorough profili...

  1. High Performance Multivariate Visual Data Exploration for Extremely Large Data

    SciTech Connect (OSTI)

    Rubel, Oliver; Wu, Kesheng; Childs, Hank; Meredith, Jeremy; Geddes, Cameron G.R.; Cormier-Michel, Estelle; Ahern, Sean; Weber, Gunther H.; Messmer, Peter; Hagen, Hans; Hamann, Bernd; Bethel, E. Wes; Prabhat,

    2008-08-22T23:59:59.000Z

    One of the central challenges in modern science is the need to quickly derive knowledge and understanding from large, complex collections of data. We present a new approach that deals with this challenge by combining and extending techniques from high performance visual data analysis and scientific data management. This approach is demonstrated within the context of gaining insight from complex, time-varying datasets produced by a laser wakefield accelerator simulation. Our approach leverages histogram-based parallel coordinates for both visual information display as well as a vehicle for guiding a data mining operation. Data extraction and subsetting are implemented with state-of-the-art index/query technology. This approach, while applied here to accelerator science, is generally applicable to a broad set of science applications, and is implemented in a production-quality visual data analysis infrastructure. We conduct a detailed performance analysis and demonstrate good scalability on a distributed memory Cray XT4 system.

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

    SciTech Connect (OSTI)

    Chen, Yousu; Huang, Zhenyu

    2014-08-31T23:59:59.000Z

    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 today’s 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.

  3. High performance computing and communications: FY 1995 implementation plan

    SciTech Connect (OSTI)

    NONE

    1994-04-01T23:59:59.000Z

    The High Performance Computing and Communications (HPCC) Program was formally established following passage of the High Performance Computing Act of 1991 signed on December 9, 1991. Ten federal agencies in collaboration with scientists and managers from US industry, universities, and laboratories have developed the HPCC Program to meet the challenges of advancing computing and associated communications technologies and practices. This plan provides a detailed description of the agencies` HPCC implementation plans for FY 1994 and FY 1995. This Implementation Plan contains three additional sections. Section 3 provides an overview of the HPCC Program definition and organization. Section 4 contains a breakdown of the five major components of the HPCC Program, with an emphasis on the overall directions and milestones planned for each one. Section 5 provides a detailed look at HPCC Program activities within each agency. Although the Department of Education is an official HPCC agency, its current funding and reporting of crosscut activities goes through the Committee on Education and Health Resources, not the HPCC Program. For this reason the Implementation Plan covers nine HPCC agencies.

  4. High Performance Fuel Desing for Next Generation Pressurized Water Reactors

    SciTech Connect (OSTI)

    Mujid S. Kazimi; Pavel Hejzlar

    2006-01-31T23:59:59.000Z

    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.

  5. Indoor Air Quality in 24 California Residences Designed as High Performance Green Homes

    E-Print Network [OSTI]

    Less, Brennan

    2012-01-01T23:59:59.000Z

    buildings to climate change, concerns over the detrimental air quality impacts of high performance green

  6. On the performance of bitmap indices for high cardinality attributes

    SciTech Connect (OSTI)

    Wu, Kesheng; Otoo, Ekow; Shoshani, Arie

    2004-03-05T23:59:59.000Z

    It is well established that bitmap indices are efficient for read-only attributes with a small number of distinct values. For an attribute with a large number of distinct values, the size of the bitmap index can be very large. To over come this size problem, specialized compression schemes are used. Even though there is empirical evidence that some of these compression schemes work well, there has not been any systematic analysis of their effectiveness. In this paper, we analyze the time and space complexities of the two most efficient bitmap compression techniques known, the Byte-aligned Bitmap Code (BBC) and the Word-Aligned Hybrid (WAH) code, and study their performance on high cardinality attributes. Our analyses indicate that both compression schemes are optimal in time. The time and space required to operate on two compressed bitmaps are proportional to the total size of the two bitmaps. We demonstrate further that an in-place OR algorithm can operate on a large number of sparse bitmaps in time linear in their total size. Our analyses also show that the compressed indices are relatively small compared with commonly used indices such as B-trees. Given these facts, we conclude that bitmap index is efficient on attributes of low cardinalities as well as on those of high cardinalities. We also verify the analytical results with extensive tests, and identify an optimal way to combine different options to achieve the best performance. The test results confirm the linearity in the total size of the compressed bitmaps, and that WAH out performs BBC by about a factor of two.

  7. Nuclear rockets: High-performance propulsion for Mars

    SciTech Connect (OSTI)

    Watson, C.W.

    1994-05-01T23:59:59.000Z

    A new impetus to manned Mars exploration was introduced by President Bush in his Space Exploration Initiative. This has led, in turn, to a renewed interest in high-thrust nuclear thermal rocket propulsion (NTP). The purpose of this report is to give a brief tutorial introduction to NTP and provide a basic understanding of some of the technical issues in the realization of an operational NTP engine. Fundamental physical principles are outlined from which a variety of qualitative advantages of NTP over chemical propulsion systems derive, and quantitative performance comparisons are presented for illustrative Mars missions. Key technologies are described for a representative solid-core heat-exchanger class of engine, based on the extensive development work in the Rover and NERVA nuclear rocket programs (1955 to 1973). The most driving technology, fuel development, is discussed in some detail for these systems. Essential highlights are presented for the 19 full-scale reactor and engine tests performed in these programs. On the basis of these tests, the practicality of graphite-based nuclear rocket engines was established. Finally, several higher-performance advanced concepts are discussed. These have received considerable attention, but have not, as yet, developed enough credibility to receive large-scale development.

  8. Functionalized Materials From Elastomers to High Performance Thermoplastics

    SciTech Connect (OSTI)

    Laura Ann Salazar

    2003-05-31T23:59:59.000Z

    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.

  9. 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

  10. 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

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

    E-Print Network [OSTI]

    Gobbert, Matthias K.

    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

  12. High Temperature Irradiation-Resistant Thermocouple Performance Improvements

    SciTech Connect (OSTI)

    Joshua Daw; Joy Rempe; Darrell Knudson; John Crepeau; S. Curtis Wilkins

    2009-04-01T23:59:59.000Z

    Traditional methods for measuring temperature in-pile degrade at temperatures above 1100 şC. To address this instrumentation need, the Idaho National Laboratory (INL) developed and evaluated the performance of a high temperature irradiation-resistant thermocouple (HTIR-TC) that contains alloys of molybdenum and niobium. Data from high temperature (up to 1500 şC) long duration (up to 4000 hours) tests and on-going irradiations at INL’s Advanced Test Reactor demonstrate the superiority of these sensors to commercially-available thermocouples. However, several options have been identified that could further enhance their reliability, reduce their production costs, and allow their use in a wider range of operating conditions. This paper presents results from on-going Idaho National Laboratory (INL)/University of Idaho (UI) efforts to investigate options to improve HTIR-TC ductility, reliability, and resolution by investigating specially-formulated alloys of molybdenum and niobium and alternate diameter thermoelements (wires). In addition, on-going efforts to evaluate alternate fabrication approaches, such as drawn and loose assembly techniques will be discussed. Efforts to reduce HTIR-TC fabrication costs, such as the use of less expensive extension cable will also be presented. Finally, customized HTIR-TC designs developed for specific customer needs will be summarized to emphasize the varied conditions under which these sensors may be used.

  13. High-performance laser processing using manipulated ultrafast laser pulses

    SciTech Connect (OSTI)

    Sugioka, Koji; Cheng Ya; Xu Zhizhan; Hanada, Yasutaka; Midorikawa, Katsumi [RIKEN - Advanced Science Institute, Wako, Saitama 351-0198 (Japan); State Key Laboratory of High Field Laser Physics, Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences (China); RIKEN - Advanced Science Institute, Wako, Saitama 351-0198 (Japan)

    2012-07-30T23:59:59.000Z

    We employ manipulated ultrafast laser pulses to realize microprocessing with high-performance. Efficient microwelding of glass substrates by irradiation by a double-pulse train of ultrafast laser pulses is demonstrated. The bonding strength of two photostructurable glass substrates welded by double-pulse irradiation was evaluated to be 22.9 MPa, which is approximately 22% greater than that of a sample prepared by conventional irradiation by a single pulse train. Additionally, the fabrication of hollow microfluidic channels with a circular cross-sectional shape embedded in fused silica is realized by spatiotemporally focusing the ultrafast laser beam. We show both theoretically and experimentally that the spatiotemporal focusing of ultrafast laser beam allows for the creation of a three-dimensionally symmetric spherical peak intensity distribution at the focal spot.

  14. Commercial Building Partners Catalyze High Performance Buildings Across the Nation

    SciTech Connect (OSTI)

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

    2012-08-01T23:59:59.000Z

    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.

  15. Power/energy use cases for high performance computing.

    SciTech Connect (OSTI)

    Laros, James H.,; Kelly, Suzanne M; Hammond, Steven [National Renewable Energy Laboratory] [National Renewable Energy Laboratory; Elmore, Ryan; Munch, Kristin

    2013-12-01T23:59:59.000Z

    Power and Energy have been identified as a first order challenge for future extreme scale high performance computing (HPC) systems. In practice the breakthroughs will need to be provided by the hardware vendors. But to make the best use of the solutions in an HPC environment, it will likely require periodic tuning by facility operators and software components. This document describes the actions and interactions needed to maximize power resources. It strives to cover the entire operational space in which an HPC system occupies. The descriptions are presented as formal use cases, as documented in the Unified Modeling Language Specification [1]. The document is intended to provide a common understanding to the HPC community of the necessary management and control capabilities. Assuming a common understanding can be achieved, the next step will be to develop a set of Application Programing Interfaces (APIs) to which hardware vendors and software developers could utilize to steer power consumption.

  16. A compression scheme for radio data in high performance computing

    E-Print Network [OSTI]

    Masui, Kiyoshi; Connor, Liam; Deng, Meiling; Fandino, Mateus; Höfer, Carolin; Halpern, Mark; Hanna, David; Hincks, Adam D; Hinshaw, Gary; Parra, Juan Mena; Newburgh, Laura B; Shaw, J Richard; Vanderlinde, Keith

    2015-01-01T23:59:59.000Z

    We present a procedure for efficiently compressing astronomical radio data for high performance applications. Integrated, post-correlation data are first passed through a nearly lossless rounding step which compares the precision of the data to a generalized and calibration-independent form of the radiometer equation. This allows the precision of the data to be reduced in a way that has an insignificant impact on the data. The newly developed Bitshuffle lossless compression algorithm is subsequently applied. When the algorithm is used in conjunction with the HDF5 library and data format, data produced by the CHIME Pathfinder telescope is compressed to 28% of its original size and decompression throughputs in excess of 1 GB/s are obtained on a single core.

  17. High Performance Computing - Power Application Programming Interface Specification.

    SciTech Connect (OSTI)

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

    2014-08-01T23:59:59.000Z

    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.

  18. Figure and finish characterization of high performance metal mirrors

    SciTech Connect (OSTI)

    Takacs, P.Z. [Brookhaven National Lab., Upton, NY (United States); Church, E.L. [Army Armament Research and Development Command, Dover, NJ (United States)

    1991-10-01T23:59:59.000Z

    Most metal mirrors currently used in synchrotron radiation (SR) beam lines to reflect soft x-rays are made of electroless nickel plate on an aluminum substrate. This material combination has allowed optical designers to incorporate exotic cylindrical aspheres into grazing incidence x-ray beam-handling systems by taking advantage of single-point diamond machining techniques. But the promise of high-quality electroless nickel surfaces has generally exceeded the performance. We will examine the evolution of electroless nickel surfaces through a study of the quality of mirrors delivered for use at the National Synchrotron Light Source over the past seven years. We have developed techniques to assess surface quality based on the measurement of surface roughness and figure errors with optical profiling instruments. It is instructive to see how the quality of the surface is related to the complexity of the machine operations required to produce it.

  19. New GATEWAY Report Monitors LED System Performance in a High...

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

    the light. The Yuma site is an extreme environment: high ambient temperatures and direct solar radiation heat up the luminaires throughout the day, and at sunset the LED...

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

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

    homes and over 14,000 DOE Challenge Homes. Read about this Top Innovation. Find more case studies of Building America projects across the country that demonstrate high...

  1. Reduced Call-Backs with High Performance Production Builders...

    Energy Savers [EERE]

    work high and catching problems before move-in. Read about this Top Innovation. Find more case studies of Building America projects across the country that demonstrate reduced...

  2. Affordable High Performance in Production Homes: Artistic Homes...

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

    and technical assistance to Artistic Homes.Read about this Top Innovation. Find more case studies of Building America projects across the country that demonstrate how high...

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

    Energy Savers [EERE]

    this Top Innovation. See another example of this Top Innovation in action. Find more case studies of Building America projects across the country that demonstrate high...

  4. DOE Announces Webinars on High Performance Space Conditioning...

    Energy Savers [EERE]

    typically required. You can also watch archived webinars and browse previously aired videos, slides, and transcripts. Upcoming Webinars October 23: Live Webinar on High...

  5. SIMS analysis of high-performance accelerator niobium | OSTI...

    Office of Scientific and Technical Information (OSTI)

    accelerator niobium Re-direct Destination: Niobium is used to fabricate superconducting radio frequency accelerator modules because of its high critical temperature,...

  6. High-performance surface-micromachined inchworm actuator.

    SciTech Connect (OSTI)

    Walraven, Jeremy Allen; Redmond, James Michael; Luck, David L.; Ashurst, William Robert; de Boer, Maarten Pieter; Maboudian, Roya (University of California at Berkeley, Berkeley, CA); Corwin, Alex David

    2003-07-01T23:59:59.000Z

    This work demonstrates a polycrystalline silicon surface-micromachined inchworm actuator that exhibits high-performance characteristics such as large force ({+-}0.5 millinewtons), large velocity range (0 to {+-}4.4 mm/sec), large displacement range ({+-}100 microns), small step size ({+-}10, {+-}40 or {+-}100 nanometers), low power consumption (nanojoules per cycle), continuous bidirectional operation and relatively small area (600 x 200{micro}m{sup 2}). An in situ load spring calibrated on a logarithmic scale from micronewtons to millinewtons, optical microscopy and Michelson interferometry are used to characterize its performance. The actuator consists of a force-amplifying plate that spans two voltage-controlled clamps, and walking is achieved by appropriately sequencing signals to these three components. In the clamps, normal force is borne by equipotential rubbing counterfaces, enabling friction to be measured against load. Using different monolayer coatings, we show that the static coefficient of friction can be changed from 0.14 to 1.04, and that it is load-independent over a broad range. We further find that the static coefficient of friction does not accurately predict the force generated by the actuator and attribute this to nanometer-scale presliding tangential deflections.

  7. High Performance Cathodes for Li-Air Batteries

    SciTech Connect (OSTI)

    Xing, Yangchuan

    2013-08-22T23:59:59.000Z

    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.

  8. The design of linear algebra libraries for high performance computers

    SciTech Connect (OSTI)

    Dongarra, J.J. [Tennessee Univ., Knoxville, TN (United States). Dept. of Computer Science; [Oak Ridge National Lab., TN (United States); Walker, D.W. [Oak Ridge National Lab., TN (United States)

    1993-08-01T23:59:59.000Z

    This paper discusses the design of linear algebra libraries for high performance computers. Particular emphasis is placed on the development of scalable algorithms for MIMD distributed memory concurrent computers. A brief description of the EISPACK, LINPACK, and LAPACK libraries is given, followed by an outline of ScaLAPACK, which is a distributed memory version of LAPACK currently under development. The importance of block-partitioned algorithms in reducing the frequency of data movement between different levels of hierarchical memory is stressed. The use of such algorithms helps reduce the message startup costs on distributed memory concurrent computers. Other key ideas in our approach are the use of distributed versions of the Level 3 Basic Linear Algebra Subprograms (BLAS) as computational building blocks, and the use of Basic Linear Algebra Communication Subprograms (BLACS) as communication building blocks. Together the distributed BLAS and the BLACS can be used to construct higher-level algorithms, and hide many details of the parallelism from the application developer. The block-cyclic data distribution is described, and adopted as a good way of distributing block-partitioned matrices. Block-partitioned versions of the Cholesky and LU factorizations are presented, and optimization issues associated with the implementation of the LU factorization algorithm on distributed memory concurrent computers are discussed, together with its performance on the Intel Delta system. Finally, approaches to the design of library interfaces are reviewed.

  9. Calculating Energy Savings in High Performance Residential Buildings Programs: Preprint

    SciTech Connect (OSTI)

    Hendron, B.; Rarrar-Nagy, S.; Anderson, R.; Judkoff, R.; Reeves, P.; Hancock, E.

    2003-08-01T23:59:59.000Z

    Accurate and meaningful energy savings calculations are essential for the evaluation of residential energy efficiency programs sponsored by the U.S. Department of Energy (DOE), such as the Building America Program (a public-private partnership designed to achieve significant energy savings in the residential building sector). The authors investigated the feasibility of applying existing performance analysis methodologies such as the Home Energy Rating System (HERS) and the International Energy Conservation Code (IECC) to the high performance houses constructed under Building America, which sometimes achieve whole-house energy savings in the 50-70% range. However, because Building America addresses all major end-use loads and because the technologies applied to Building America houses often exceed what is envisioned by energy codes and home-rating programs, the methodologies used in HERS and IECC have limited suitability, and a different approach was needed. The authors have researched these issues extensively over the past several years and developed a set of guidelines that draws upon work done by DOE's Energy Information Administration, the California Energy Commission, the International Code Council, RESNET, and other organizations that have developed similar methodologies to meet their needs. However, the final guidelines are tailored to provide accurate techniques for quantifying energy savings achieved by Building America to help policymakers assess the effectiveness of the program.

  10. Critique of High-Frequency Performance of Carbon Nanotube FETs

    E-Print Network [OSTI]

    Pulfrey, David L.

    is on the figure-of-merit fT, the common-source, short-circuit current gain. The intentions are: to direct-barrier-contacted (SB-) CNFETs in various high-frequency circuit configurations is beginning to accumulate. II. Experimental The low current-drive and high input/output impedance of single CNFETs make

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

    E-Print Network [OSTI]

    Fraguela, Basilio B.

    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

  12. High Performance Building Facade Solutions PIER Final Project Report

    SciTech Connect (OSTI)

    Lee, Eleanor; Selkowitz, Stephen

    2009-12-31T23:59:59.000Z

    Building facades 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. Facades also significantly influence occupant comfort and satisfaction, making the design optimization challenge more complex than many other building systems.This work focused on addressing significant near-term opportunities to reduce energy use in California commercial building stock by a) targeting voluntary, design-based opportunities derived from the use of better design guidelines and tools, and b) developing and deploying more efficient glazings, shading systems, daylighting systems, facade systems and integrated controls. This two-year project, supported by the California Energy Commission PIER program and the US Department of Energy, initiated a collaborative effort between The Lawrence Berkeley National Laboratory (LBNL) and major stakeholders in the facades industry to develop, evaluate, and accelerate market deployment of emerging, high-performance, integrated facade solutions. The LBNL Windows Testbed Facility acted as the primary catalyst and mediator on both sides of the building industry supply-user business transaction by a) aiding component suppliers to create and optimize cost effective, integrated systems that work, and b) demonstrating and verifying to the owner, designer, and specifier community that these integrated systems reliably deliver required energy performance. An industry consortium was initiated amongst approximately seventy disparate stakeholders, who unlike the HVAC or lighting industry, has no single representative, multi-disciplinary body or organized means of communicating and collaborating. The consortium provided guidance on the project and more importantly, began to mutually work out and agree on the goals, criteria, and pathways needed to attain the ambitious net zero energy goals defined by California and the US.A collaborative test, monitoring, and reporting protocol was also formulated via the Windows Testbed Facility in collaboration with industry partners, transitioning industry to focus on the importance of expecting measured performance to consistently achieve design performance expectations. The facility enables accurate quantification of energy use, peak demand, and occupant comfort impacts of synergistic facade-lighting-HVAC systems on an apples-to-apples comparative basis and its data can be used to verify results from simulations. Emerging interior and exterior shading technologies were investigated as potential near-term, low-cost solutions with potential broad applicability in both new and retrofit construction. Commercially-available and prototype technologies were developed, tested, and evaluated. Full-scale, monitored field tests were conducted over solstice-to-solstice periods to thoroughly evaluate the technologies, uncover potential risks associated with an unknown, and quantify performance benefits. Exterior shading systems were found to yield net zero energy levels of performance in a sunny climate and significant reductions in summer peak demand. Automated interior shading systems were found to yield significant daylighting and comfort-related benefits.In support of an integrated design process, a PC-based commercial fenestration (COMFEN) software package, based on EnergyPlus, was developed that enables architects and engineers to quickly assess and compare the performance of innovative facade technologies in the early sketch or schematic design phase. This tool is publicly available for free and will continue to improve in terms of features and accuracy. Other work was conducted to develop simulation tools to model the performance of any arbitrary complex fenestration system such as common Venetian blinds, fabric roller shades as well as more exotic innovative facade systems such as optical louver systems.

  13. High-performance double-filter soft x-ray

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh School football High School footballHigh-PressureBiofuel

  14. High-performance Electrochemical Capacitors - Energy Innovation Portal

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh School football High School footballHigh-PressureBiofuelEnergy Storage

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

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh School football High School footballHigh-PressureBiofuelEnergy

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

    E-Print Network [OSTI]

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

    2014-01-01T23:59:59.000Z

    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...

  17. SAT Mathematics standardized test manual for high-performing high school students

    E-Print Network [OSTI]

    Vasquez, Phillip A

    2009-01-01T23:59:59.000Z

    Most high school standardized testing preparation materials are geared towards the average student scoring in the 5 0 th percentile. There are few resources available to lower and higher scoring students who have different ...

  18. On the use of high performance annular fuel in PWRs

    E-Print Network [OSTI]

    Feng, Bo, Ph. D. Massachusetts Institute of Technology

    2008-01-01T23:59:59.000Z

    Recently, MIT's Center for Advanced Nuclear Energy Systems developed a new high burnup annular fuel that features both internal and external cooling. Implementation of this fuel design in current pressurized water reactors ...

  19. Design and analysis of high performance multistage interconnection networks

    E-Print Network [OSTI]

    Bhogavilli, Suresh K

    1993-01-01T23:59:59.000Z

    Small switching elements are the key components of multistage interconnection networks (MINS) used in multiprocessors and in high speed switching fabrics for broad-band communication systems. The structure of their internal buffers, efficient...

  20. Transmission System Performance Analysis for High-Penetration Photovoltaics

    SciTech Connect (OSTI)

    Achilles, S.; Schramm, S.; Bebic, J.

    2008-02-01T23:59:59.000Z

    This study is an assessment of the potential impact of high levels of penetration of photovoltaic (PV) generation on transmission systems. The effort used stability simulations of a transmission system with different levels of PV generation and load.

  1. Performance Assessment of Pressurized Stairs in High Rise Buildings 

    E-Print Network [OSTI]

    Bellido, Carlos; Quiroz, Antonio; Panizo, Alfonso; Torero, Jose L

    2008-12-17T23:59:59.000Z

    Pressurized stair cases are an important part of the fire safety strategy of high rise buildings. Long egress times are compensated by creating safe environments within egress staircases allowing the displacement time ...

  2. High-temperature superconducting transformer performance, cost, and market evaluation

    SciTech Connect (OSTI)

    Dirks, J.A.; Dagle, J.E.; DeSteese, J.G.; Huber, H.D.; Smith, S.A.; Currie, J.W. [Pacific Northwest Lab., Richland, WA (United States); Merrick, S.B. [Westinghouse Hanford Co., Richland, WA (United States); Williams, T.A. [National Renewable Energy Lab., Golden, CO (United States)

    1993-09-01T23:59:59.000Z

    Recent laboratory breakthroughs in high-temperature superconducting (HTS) materials have stimulated both the scientific community and general public with questions regarding how these materials can be used in practical applications. While there are obvious benefits from using HTS materials (most notably the potential for reduced energy losses in the conductors), a number of issues (such as overall system energy losses, cost, and reliability) may limit applications of HTS equipment, even if the well known materials problems are solved. This study examined the future application potential of HTS materials to power transformers. This study effort was part of a US Department of Energy (DOE) Office of Energy Storage and Distribution (OESD) research program, Superconductivity Technology for Electric Power Systems (STEPS). The study took a systems perspective to gain insights to help guide DOE in managing research designed to realize the vision of HTS applications. Specific objectives of the study were as follows: to develop an understanding of the fundamental HTS transformer design issues that can provide guidance for developing practical devices of interest to the electric utility industry; to identify electric utility requirements for HTS transformers and to evaluate the potential for developing a commercial market; to evaluate the market potential and national benefits for HTS transformers that could be achieved by a successful HTS development program; to develop an integrated systems analysis framework, which can be used to support R&D planning by DOE, by identifying how various HTS materials characteristics impact the performance, cost, and national benefits of the HTS application.

  3. High-Performance Secure Database Access Technologies for HEP Grids

    SciTech Connect (OSTI)

    Matthew Vranicar; John Weicher

    2006-04-17T23:59:59.000Z

    The Large Hadron Collider (LHC) at the CERN Laboratory will become the largest scientific instrument in the world when it starts operations in 2007. Large Scale Analysis Computer Systems (computational grids) are required to extract rare signals of new physics from petabytes of LHC detector data. In addition to file-based event data, LHC data processing applications require access to large amounts of data in relational databases: detector conditions, calibrations, etc. U.S. high energy physicists demand efficient performance of grid computing applications in LHC physics research where world-wide remote participation is vital to their success. To empower physicists with data-intensive analysis capabilities a whole hyperinfrastructure of distributed databases cross-cuts a multi-tier hierarchy of computational grids. The crosscutting allows separation of concerns across both the global environment of a federation of computational grids and the local environment of a physicist’s computer used for analysis. Very few efforts are on-going in the area of database and grid integration research. Most of these are outside of the U.S. and rely on traditional approaches to secure database access via an extraneous security layer separate from the database system core, preventing efficient data transfers. Our findings are shared by the Database Access and Integration Services Working Group of the Global Grid Forum, who states that "Research and development activities relating to the Grid have generally focused on applications where data is stored in files. However, in many scientific and commercial domains, database management systems have a central role in data storage, access, organization, authorization, etc, for numerous applications.” There is a clear opportunity for a technological breakthrough, requiring innovative steps to provide high-performance secure database access technologies for grid computing. We believe that an innovative database architecture where the secure authorization is pushed into the database engine will eliminate inefficient data transfer bottlenecks. Furthermore, traditionally separated database and security layers provide an extra vulnerability, leaving a weak clear-text password authorization as the only protection on the database core systems. Due to the legacy limitations of the systems’ security models, the allowed passwords often can not even comply with the DOE password guideline requirements. We see an opportunity for the tight integration of the secure authorization layer with the database server engine resulting in both improved performance and improved security. Phase I has focused on the development of a proof-of-concept prototype using Argonne National Laboratory’s (ANL) Argonne Tandem-Linac Accelerator System (ATLAS) project as a test scenario. By developing a grid-security enabled version of the ATLAS project’s current relation database solution, MySQL, PIOCON Technologies aims to offer a more efficient solution to secure database access.

  4. Liquid Cooling v. Air Cooling Evaluation in the Maui High-Performance...

    Office of Environmental Management (EM)

    Liquid Cooling v. Air Cooling Evaluation in the Maui High-Performance Computing Center Liquid Cooling v. Air Cooling Evaluation in the Maui High-Performance Computing Center Study...

  5. Alternative High-Performance Motors with Non-Rare Earth Materials...

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

    High-Performance Motors with Non-Rare Earth Materials Alternative High-Performance Motors with Non-Rare Earth Materials 2012 DOE Hydrogen and Fuel Cells Program and Vehicle...

  6. 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...

  7. 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

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

    E-Print Network [OSTI]

    Champagne, Frances A.

    ) 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

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

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    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

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

    E-Print Network [OSTI]

    Cottet, Georges-Henri

    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

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

    E-Print Network [OSTI]

    Yoo, S. J. Ben

    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

  12. Enhanced high temperature performance of MgAl2O4-supported Pt...

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

    high temperature performance of MgAl2O4-supported Pt-BaO lean NOx trap catalysts. Enhanced high temperature performance of MgAl2O4-supported Pt-BaO lean NOx trap catalysts....

  13. 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...

  14. High Performance Code Generation for Stencil Computation on Heterogeneous Multi-device

    E-Print Network [OSTI]

    Paris-Sud XI, Université de

    .namyst@inria.fr Abstract--Heterogeneous architectures have been widely used in the domain of high performance computing, Multi- device, Code generation, Heterogeneous architectures I. INTRODUCTION High performance computing

  15. DEVELOPMENT OF A HIGH PERFORMANCE COLD CLIMATE HEAT PUMP

    SciTech Connect (OSTI)

    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

    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.

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

    SciTech Connect (OSTI)

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

    2009-09-01T23:59:59.000Z

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

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

    SciTech Connect (OSTI)

    Devoto, D.

    2014-06-01T23:59:59.000Z

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

  18. Approaches To Crisis Prevention In Lean Product Development By High Performance Teams And Through Risk Management

    E-Print Network [OSTI]

    Oehmen, Josef

    This thesis investigates crisis prevention in lean product development, focusing on high performance teams and risk management methods.

  19. High Performance Fortran: Implementor and Users Workshop Alok Choudhary * Charles Koelbel Mary Zosel

    E-Print Network [OSTI]

    of the High Performance Computing Forum (HPFF). A specific goal of HPFF was to have *Supported by ARPA

  20. Measuring Productivity on High Performance Computers Marvin Zelkowitz1,2

    E-Print Network [OSTI]

    Basili, Victor R.

    Measuring Productivity on High Performance Computers Marvin Zelkowitz1,2 Victor Basili1,2 Sima, lorin, hollings, nakamura}@cs.umd.edu Abstract In the high performance computing domain, the speed of concern to high performance computing developers. In this paper we will discuss the problems of defining

  1. 10 January 2009 PHOTOGRAMMETRIC ENGINEERING & REMOTE SENSING High Performance Computing in Remote Sensing

    E-Print Network [OSTI]

    Plaza, Antonio J.

    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

  2. A Pilot Study to Evaluate Development Effort for High Performance Computing

    E-Print Network [OSTI]

    Basili, Victor R.

    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

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

    E-Print Network [OSTI]

    Southern California, University of

    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

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

    E-Print Network [OSTI]

    Ceragioli, Francesca

    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

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

    E-Print Network [OSTI]

    Bergman, Keren

    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

  6. 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

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

    E-Print Network [OSTI]

    Shihadeh, Alan

    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

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

    E-Print Network [OSTI]

    Kuzmanovic, Aleksandar

    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

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

    E-Print Network [OSTI]

    Zhou, Yuanyuan

    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

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

    E-Print Network [OSTI]

    Krishnapura, Nagendra

    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

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

    E-Print Network [OSTI]

    Olsen, Stephen L.

    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

  12. High Performance Computing in the Life/Medical SciencesVirginiaBioinformaticsInstitute

    E-Print Network [OSTI]

    Virginia Tech

    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

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

    E-Print Network [OSTI]

    Martin, Stephen John

    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

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

    E-Print Network [OSTI]

    Carver, Jeffrey C.

    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

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

    E-Print Network [OSTI]

    Franchetti, Franz

    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

  16. An AWGR based Low-Latency Optical Switch for Data Centers and High Performance Computing Systems

    E-Print Network [OSTI]

    Kolner, Brian H.

    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 .....................................

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

    E-Print Network [OSTI]

    Hall, Julian

    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

  18. Digital System Clocking:Digital System Clocking:Digital System Clocking: HighHigh--Performance and LowPerformance and Low--Power AspectsPower Aspects

    E-Print Network [OSTI]

    California at Davis, University of

    in a digital systemTiming in a digital system using a single clock andusing a single clock and flipflipDigital System Clocking:Digital System Clocking:Digital System Clocking: HighHigh--Performance and LowPerformance and Low--Power AspectsPower Aspects Vojin G. Oklobdzija, Vladimir M. Stojanovic, Dejan

  19. High Performance and Sustainable Buildings Guidance | Department of Energy

    Energy Savers [EERE]

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

  20. High Performance Valve Materials (HPVM) (Agreement 16304) | Department of

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEN TOTechnologyHighLouisiana |High

  1. High-Level Waste Corporate Board Performance Assessment Subcommittee

    Office of Environmental Management (EM)

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742 33 1112011 Strategic2 OPAM Flash2011-12Approved on 24 July 2008 1 Office ofHighHigh-Level WasteLevel

  2. High Performance VCSEL-based Sensors for Use with UAVs

    E-Print Network [OSTI]

    Petta, Jason

    are not well understood Aneja et al. 2008 #12;Fracking and Methane Emissions · Less CO2 emissions than battles against fracking · Local media published levels of 10-20 ppm well facility well homes #12;Methane emissions at fracking site are high ­ Overall levels of 3-4 ppm ­ No strong height dependence ­ Large plumes

  3. Reconfigurable Processors for High-Performance, Embedded Digital Signal

    E-Print Network [OSTI]

    Nelson, Brent E.

    Research Projects Agency (DARPA) and Rome Laboratory, Air Force Materiel Command, USAF, under agreement num processor to com- municate through high-bandwidth, on-chip interconnection to the RL resources rather than the relatively slow interconnection made through an interface with an external system bus. With reconfigurable

  4. High-Performance Architectures for Embedded Memory Systems

    E-Print Network [OSTI]

    Kozyrakis, Christos

    for parallel systems ­ optimized for technical and/or commercial workloads ­ SIMD multimedia extensions (VIS (image/video processing) · Small size, battery operated devices · Media processing functions for continuous media data-types ­ fine-grain parallelism ­ coarse-grain parallelism ­ high-instruction reference

  5. Irradiation performance of AGR-1 high temperature reactor fuel

    SciTech Connect (OSTI)

    Paul A. Demkowicz; John D. Hunn; Robert N. Morris; Charles A. Baldwin; Philip L. Winston; Jason M. Harp; Scott A. Ploger; Tyler Gerczak; Isabella J. van Rooyen; Fred C. Montgomery; Chinthaka M. Silva

    2014-10-01T23:59:59.000Z

    The AGR-1 experiment contained 72 low-enriched uranium oxide/uranium carbide TRISO-coated particle fuel compacts in six capsules irradiated to burnups of 11.2 to 19.5% FIMA, with zero TRISO coating failures detected during the irradiation. The irradiation performance of the fuel–including the extent of fission product release and the evolution of kernel and coating microstructures–was evaluated based on detailed examination of the irradiation capsules, the fuel compacts, and individual particles. Fractional release of 110mAg from the fuel compacts was often significant, with capsule-average values ranging from 0.01 to 0.38. Analysis of silver release from individual compacts indicated that it was primarily dependent on fuel temperature history. Europium and strontium were released in small amounts through intact coatings, but were found to be significantly retained in the outer pyrocrabon and compact matrix. The capsule-average fractional release from the compacts was 1×10 4 to 5×10 4 for 154Eu and 8×10 7 to 3×10 5 for 90Sr. The average 134Cs release from compacts was <3×10 6 when all particles maintained intact SiC. An estimated four particles out of 2.98×105 experienced partial cesium release due to SiC failure during the irradiation, driving 134Cs release in two capsules to approximately 10 5. Identification and characterization of these particles has provided unprecedented insight into the nature and causes of SiC coating failure in high-quality TRISO fuel. In general, changes in coating morphology were found to be dominated by the behavior of the buffer and inner pyrolytic carbon (IPyC), and infrequently observed SiC layer damage was usually related to cracks in the IPyC. Palladium attack of the SiC layer was relatively minor, except for the particles that released cesium during irradiation, where SiC corrosion was found adjacent to IPyC cracks. Palladium, silver, and uranium were found in the SiC layer of irradiated particles, and characterization of these elements within the SiC microstructure is the subject of ongoing focused study.

  6. Performance of a High Resolution Cavity Beam Position Monitor System

    SciTech Connect (OSTI)

    Walston, S; Boogert, S; Chung, C; Fitsos, P; Frisch, J; Gronberg, J; Hayano, H; Honda, Y; Kolomensky, Y; Lyapin, A; Malton, S; May, J; McCormick, D; Meller, R; Miller, D; Orimoto, T; Ross, M; Slater, M; Smith, S; Smith, T; Terunuma, N; Thomson, M; Urakawa, J; Vogel, V; Ward, D; White, G

    2006-12-18T23:59:59.000Z

    It has been estimated that an RF cavity Beam Position Monitor (BPM) could provide a position measurement resolution of less than one nanometer. We have developed a high resolution cavity BPM and associated electronics. A triplet comprised of these BPMs was installed in the extraction line of the Accelerator Test Facility (ATF) at the High Energy Accelerator Research Organization (KEK) for testing with its ultra-low emittance beam. The three BPMs were each rigidly mounted inside an alignment frame on six variable-length struts which could be used to move the BPMs in position and angle. We have developed novel methods for extracting the position and tilt information from the BPM signals including a robust calibration algorithm which is immune to beam jitter. To date, we have demonstrated a position resolution of 15.6 nm and a tilt resolution of 2.1 {micro}rad over a dynamic range of approximately {+-} 20 {micro}m.

  7. Performance of a High Resolution Cavity Beam Position Monitor System

    SciTech Connect (OSTI)

    Walston, Sean; Boogert, Stewart; Chung, Carl; Fitsos, Joe; Frisch, Joe; Gronberg, Jeff; Hayano, Hitoshi; Honda, Yosuke; Kolomensky, Yury; Lyapin, Alexey; Malton, Stephen; May, Justin; McCormick, Douglas; Meller, Robert; Miller, David John; Orimoto, Toyoko; Ross, Marc; Slater, Mark; Smith, Steve; Smith, Tonee; Terunuma, Nobuhiro; /Fermilab /UC,

    2007-06-08T23:59:59.000Z

    It has been estimated that an RF cavity Beam Position Monitor (BPM) could provide a position measurement resolution of less than one nanometer. We have developed a high resolution cavity BPM and associated electronics. A triplet comprised of these BPMs was installed in the extraction line of the Accelerator Test Facility (ATF) at the High Energy Accelerator Research Organization (KEK) for testing with its ultra-low emittance beam. The three BPMs were each rigidly mounted inside an alignment frame on six variable-length struts which could be used to move the BPMs in position and angle. We have developed novel methods for extracting the position and tilt information from the BPM signals including a robust calibration algorithm which is immune to beam jitter. To date, we have demonstrated a position resolution of 15.6 nm and a tilt resolution of 2.1 {mu}rad over a dynamic range of approximately {+-} 20 {mu}m.

  8. Design, conditioning, and performance of a high voltage, high brightness dc photoelectron gun with variable gap

    SciTech Connect (OSTI)

    Maxson, Jared; Bazarov, Ivan; Dunham, Bruce; Dobbins, John; Liu, Xianghong; Smolenski, Karl [Cornell Laboratory for Accelerator-Based Sciences and Education, Cornell University, Ithaca, New York 14853 (United States)

    2014-09-15T23:59:59.000Z

    A new high voltage photoemission gun has been constructed at Cornell University which features a segmented insulator and a movable anode, allowing the cathode-anode gap to be adjusted. In this work, we describe the gun's overall mechanical and high voltage design, the surface preparation of components, as well as the clean construction methods. We present high voltage conditioning data using a 50 mm cathode-anode gap, in which the conditioning voltage exceeds 500 kV, as well as at smaller gaps. Finally, we present simulated emittance results obtained from a genetic optimization scheme using voltage values based on the conditioning data. These results indicate that for charges up to 100 pC, a 30 mm gap at 400 kV has equal or smaller 100% emittance than a 50 mm gap at 450 kV, and also a smaller core emittance, when placed as the source for the Cornell energy recovery linac photoinjector with bunch length constrained to be <3 ps rms. For 100 pC up to 0.5 nC charges, the 50 mm gap has larger core emittance than the 30 mm gap, but conversely smaller 100% emittance.

  9. Economics of high performance steam systems (HPSS) cogeneration: A handbook

    SciTech Connect (OSTI)

    Not Available

    1992-06-01T23:59:59.000Z

    This guidebook aims to farther industry's knowledge of HPSS and their potential benefits. It is also intended to provide industrial end-users with a basis for judging the merits of HPSS under various site-specific conditions by outlining the economics of HPSS and conventional cogeneration systems compared to boilers under representative sets of industrial process conditions. Electric utility companies have experimented with steam pressures in the range of 5,000 psig and temperatures up to 1,200[degrees]F, but generally have remained with more conservative throttle conditions of 2,400 psig, 1,000[degrees]F to improve reliability. Most industrial applications have used steam throttle conditions below 900 psig and 900[degrees]F. Yet thermodynamic analysis shows that in a steam turbine generator, the amount of electricity generated per pound of steam increases as the inlet steam temperature and pressure are increased. Furthermore, the incremental electricity that is generated by raising the steam temperature and pressure is produced in a highly efficient manner. Efforts in this direction explain why, recently, some industrial projects have been built with steam turbine inlet turbine conditions of 1,500 psig and above. The HPSS concept goes one step further: It is based on a high-temperature steam generator capable of producing 1,500[degrees]F superheated steam and a high-speed steam turbine-generator. By utilizing the HPSS system as a topping'' system, high-pressure steam can be expanded from 1,500[degrees]F to the traditional temperatures used by industry.

  10. Economics of high performance steam systems (HPSS) cogeneration: A handbook

    SciTech Connect (OSTI)

    Not Available

    1992-06-01T23:59:59.000Z

    This guidebook aims to farther industry`s knowledge of HPSS and their potential benefits. It is also intended to provide industrial end-users with a basis for judging the merits of HPSS under various site-specific conditions by outlining the economics of HPSS and conventional cogeneration systems compared to boilers under representative sets of industrial process conditions. Electric utility companies have experimented with steam pressures in the range of 5,000 psig and temperatures up to 1,200{degrees}F, but generally have remained with more conservative throttle conditions of 2,400 psig, 1,000{degrees}F to improve reliability. Most industrial applications have used steam throttle conditions below 900 psig and 900{degrees}F. Yet thermodynamic analysis shows that in a steam turbine generator, the amount of electricity generated per pound of steam increases as the inlet steam temperature and pressure are increased. Furthermore, the incremental electricity that is generated by raising the steam temperature and pressure is produced in a highly efficient manner. Efforts in this direction explain why, recently, some industrial projects have been built with steam turbine inlet turbine conditions of 1,500 psig and above. The HPSS concept goes one step further: It is based on a high-temperature steam generator capable of producing 1,500{degrees}F superheated steam and a high-speed steam turbine-generator. By utilizing the HPSS system as a ``topping`` system, high-pressure steam can be expanded from 1,500{degrees}F to the traditional temperatures used by industry.

  11. High Performance Permanent Magnets for Advanced Motors | Department of

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEN TOTechnologyHighLouisiana |

  12. High Performance Without Increased Cost: Urbane Homes, Louisville, KY -

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEN TOTechnologyHighLouisiana

  13. Total Quality Commissioning for HVAC Systems to Assure High Performance Throughout the Whole Life Cycle 

    E-Print Network [OSTI]

    Maisey, G.; Milestone, B.

    2005-01-01T23:59:59.000Z

    TOTAL QUALITY COMMISSIONING FOR HVAC SYSTEMS TO ASSURE HIGH PERFORMANCE THROUGHOUT THE WHOLE LIFE CYCLE By: Grahame E. Maisey, P.E., and Beverly Milestone, LEED AP Building Services Consultants INTRODUCTION Current HVAC systems... not provide a life cycle, high performance assurance program. Continuous commissioning is being used to continually adjust the HVAC systems to regain good performance from the original systems, but again, is not a life cycle, high performance assurance...

  14. Process of making cryogenically cooled high thermal performance crystal optics

    DOE Patents [OSTI]

    Kuzay, T.M.

    1992-06-23T23:59:59.000Z

    A method is disclosed for constructing a cooled optic wherein one or more cavities are milled, drilled or formed using casting or ultrasound laser machining techniques in a single crystal base and filled with porous material having high thermal conductivity at cryogenic temperatures. A non-machined strain-free single crystal can be bonded to the base to produce superior optics. During operation of the cooled optic, N[sub 2] is pumped through the porous material at a sub-cooled cryogenic inlet temperature and with sufficient system pressure to prevent the fluid bulk temperature from reaching saturation. 7 figs.

  15. Process of making cryogenically cooled high thermal performance crystal optics

    DOE Patents [OSTI]

    Kuzay, Tuncer M. (Naperville, IL)

    1992-01-01T23:59:59.000Z

    A method for constructing a cooled optic wherein one or more cavities are milled, drilled or formed using casting or ultrasound laser machining techniques in a single crystal base and filled with porous material having high thermal conductivity at cryogenic temperatures. A non-machined strain-free single crystal can be bonded to the base to produce superior optics. During operation of the cooled optic, N.sub.2 is pumped through the porous material at a sub-cooled cryogenic inlet temperature and with sufficient system pressure to prevent the fluid bulk temperature from reaching saturation.

  16. High performance static latches with complete single event upset immunity

    DOE Patents [OSTI]

    Corbett, W.T.; Weaver, H.T.

    1994-04-26T23:59:59.000Z

    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.

  17. High Performance Binderless Electrodes for Rechargeable Lithium Batteries -

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Science (SC) EnvironmentalGyroSolé(tm) Harmonicbet WhenHiggs Boson May| ArgonneHigh LevelEnergy

  18. Sandia Energy - High Fidelity Evaluation of Tidal Turbine Performance for

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOE Office of Scienceand RequirementsCoatingsUltra-High-Voltage SiliconEnergyFailureGlobalHeatIndustry

  19. Development of High Performance Heavy Duty Engine Oils | Department of

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't Your Destiny:Revised Finding of No53197E T A * S H IMaterials Development of HighDepartment

  20. High Performance OLEDs with Air-stable Nanostructured Electrodes - Energy

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cn SunnybankD.jpgHanfordDepartmentInnovationHigh Flux Isotopethe

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

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cn SunnybankD.jpgHanfordDepartmentInnovationHigh Flux IsotopetheLithium

  2. High Power Performance Lithium Ion Battery - Energy Innovation Portal

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cn SunnybankD.jpgHanfordDepartmentInnovationHigh FluxPerformancng DavidEnergy

  3. Introduction to High Performance Computers Richard Gerber NERSC User Services

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645U.S. DOEThe Bonneville PowerCherries 82981-1cnHigh SchoolIn OtherEnergyBPA-Film-Collection Sign In About |

  4. High Performance Computing Data Center Metering Protocol | Department of

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEN TOTechnologyHighLouisiana | Department

  5. High Performance Zintl Phase TE Materials with Embedded Particles |

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative Fuels Data Center Home Page on Google Bookmark EERE: Alternative Fuels DataDepartment of Energy Your Density Isn't YourTransport(Fact Sheet), GeothermalGridHYDROGEN TOTechnologyHighLouisianaDepartment of

  6. Microstructure, Processing, Performance Relationships for High Temperature Coatings

    SciTech Connect (OSTI)

    Thomas M. Lillo; Richard N. Wright; W. David Swank; D.C Haggard; Dennis C. Kunerth; Denis E. Clark

    2008-07-01T23:59:59.000Z

    HVOF coating have shown high resistance to corrosion in fossil energy applications and it is generally accepted that mechanical failure, e.g. cracking or spalling, ultimately will determine coating lifetime. The high velocity oxygen-fuel method (HVOF) of applying coatings is one of the most commercially viable and allows the control of various parameters including powder particle velocity and temperature which influence coating properties, such as residual stress, bond coat strength and microstructure. Methods of assessing the mechanical durability of coatings are being developed in order to explore the relationship between HVOF spraying parameters and the mechanical properties of the coating and coating bond strength. The room temperature mechanical strength, as well as the resistance of the coating to cracking/spalling during thermal transients, is of considerable importance. Eddy current, acoustic emission and thermal imaging methods are being developed to detect coating failure during thermal cycling tests and room temperature tensile tests. Preliminary results on coating failure of HVOF FeAl coatings on carbon steel, as detected by eddy current measurements during thermal cycling, are presented. The influence of HVOF coating parameters of iron aluminides - applied to more relevant structural steels, like 316 SS and Grade 91 steel, - on coating durability will be explored once reliable methods for identification of coating failure have been developed.

  7. High-performance parallel interface to synchronous optical network gateway

    DOE Patents [OSTI]

    St. John, Wallace B. (Los Alamos, NM); DuBois, David H. (Los Alamos, NM)

    1996-01-01T23:59:59.000Z

    A system of sending and receiving gateways interconnects high speed data interfaces, e.g., HIPPI interfaces, through fiber optic links, e.g., a SONET network. An electronic stripe distributor distributes bytes of data from a first interface at the sending gateway onto parallel fiber optics of the fiber optic link to form transmitted data. An electronic stripe collector receives the transmitted data on the parallel fiber optics and reforms the data into a format effective for input to a second interface at the receiving gateway. Preferably, an error correcting syndrome is constructed at the sending gateway and sent with a data frame so that transmission errors can be detected and corrected in a real-time basis. Since the high speed data interface operates faster than any of the fiber optic links the transmission rate must be adapted to match the available number of fiber optic links so the sending and receiving gateways monitor the availability of fiber links and adjust the data throughput accordingly. In another aspect, the receiving gateway must have sufficient available buffer capacity to accept an incoming data frame. A credit-based flow control system provides for continuously updating the sending gateway on the available buffer capacity at the receiving gateway.

  8. High-performance parallel interface to synchronous optical network gateway

    DOE Patents [OSTI]

    St. John, W.B.; DuBois, D.H.

    1996-12-03T23:59:59.000Z

    Disclosed is a system of sending and receiving gateways interconnects high speed data interfaces, e.g., HIPPI interfaces, through fiber optic links, e.g., a SONET network. An electronic stripe distributor distributes bytes of data from a first interface at the sending gateway onto parallel fiber optics of the fiber optic link to form transmitted data. An electronic stripe collector receives the transmitted data on the parallel fiber optics and reforms the data into a format effective for input to a second interface at the receiving gateway. Preferably, an error correcting syndrome is constructed at the sending gateway and sent with a data frame so that transmission errors can be detected and corrected in a real-time basis. Since the high speed data interface operates faster than any of the fiber optic links the transmission rate must be adapted to match the available number of fiber optic links so the sending and receiving gateways monitor the availability of fiber links and adjust the data throughput accordingly. In another aspect, the receiving gateway must have sufficient available buffer capacity to accept an incoming data frame. A credit-based flow control system provides for continuously updating the sending gateway on the available buffer capacity at the receiving gateway. 7 figs.

  9. 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.

  10. 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.

  11. Distribution System Voltage Performance Analysis for High-Penetration Photovoltaics

    SciTech Connect (OSTI)

    Liu, E.; Bebic, J.

    2008-02-01T23:59:59.000Z

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

  12. MICMIC--GPU:GPU: Hi hHi h P f C tiP f C tiHighHigh--Performance ComputingPerformance Computing

    E-Print Network [OSTI]

    Mueller, Klaus

    MICMIC--GPU:GPU: Hi hHi h P f C tiP f C tiHighHigh--Performance ComputingPerformance Computing 2011 but wait, there is more to this..... #12;Amdahl's LawAmdahl's Law Governs theoretical speedupp p P Medical Imaging 2011 MIC-GPU 5 Amdahl's LawAmdahl's Law Governs theoretical speedupp p P P P P S )1( 1

  13. High performance tunnel injection quantum dot comb laser

    SciTech Connect (OSTI)

    Lee, C.-S.; Guo Wei; Basu, Debashish; Bhattacharya, Pallab [Department of Electrical Engineering and Computer Science, Solid State Electronics Laboratory, University of Michigan, Ann Arbor, Michigan 48109-2122 (United States)

    2010-03-08T23:59:59.000Z

    A high-speed multiwavelength quantum dot comb laser, grown by molecular beam epitaxy, is demonstrated. The device is characterized with a 75.9 nm (full width at half maximum) and a 91.4 nm (DELTA{sub -15dB}) wide lasing spectrum. There are 105 and 185 simultaneously emitted longitudinal modes with a maximum channel intensity nonuniformity of less than 3 dB in the spectral range of 1231-1252 nm and 1274-1311 nm, respectively, for a laser with 1040 mum cavity length. The channel spacing can be tuned with cavity length and remains invariant in the temperature range of 300-323 K. The small signal modulation bandwidth is 7.5 GHz.

  14. Performance of a high efficiency advanced coal combustor

    SciTech Connect (OSTI)

    Toqan, M.A.; Paloposki, T.; Yu, T.; Teare, J.D.; Beer, J.M. (Massachusetts Inst. of Tech., Cambridge, MA (United States))

    1989-12-01T23:59:59.000Z

    Under contract from DOE-PETC, Combustion Engineering, Inc. undertook the lead-role in a multi-task R D program aimed at development of a new burner system for coal-based fuels; the goal was that this burner system should be capable of being retrofitted in oil- or gas-fired industrial boilers, or usable in new units. In the first phase of this program a high efficiency advanced coal combustor was designed jointly by CE and MIT. Its burner is of the multiannular design with a fixed shrouded swirler in the center immediately surrounding the atomizer gun to provide the primary act,'' and three further annuli for the supply of the secondary air.'' The degree of rotation (swirl) in the secondary air is variable. The split of the combustion air into primary and secondary air flows serves the purpose of flame stabilization and combustion staging, the latter to reduce NO{sub x} formation.

  15. High performance x-ray anti-scatter grid

    DOE Patents [OSTI]

    Logan, C.M.

    1995-05-23T23:59:59.000Z

    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.

  16. High performance x-ray anti-scatter grid

    DOE Patents [OSTI]

    Logan, Clinton M. (Pleasanton, CA)

    1995-01-01T23:59:59.000Z

    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.

  17. General High Performance Adaptive Robust Motion Control of Machine Tools Mohammed Al-Majed++

    E-Print Network [OSTI]

    Yao, Bin

    the advantages and improved performance obtained via the ARC design. I. Introduction Modern mechanical systems,4] is applied to the high performance motion control of machine tools to make the resulting closed-loop systemGeneral High Performance Adaptive Robust Motion Control of Machine Tools Bin Yao + Mohammed Al

  18. Design and Implementation of High Performance Algorithms for the (n,k)-Universal Set Problem

    E-Print Network [OSTI]

    Luo, Ping

    2010-01-14T23:59:59.000Z

    . . . . . . . . . . . . . . . . . . . . . . 1 B. High Performance Computing . . . . . . . . . . . . . . . . 3 C. Contributions . . . . . . . . . . . . . . . . . . . . . . . . . 4 D. Outline of the Thesis . . . . . . . . . . . . . . . . . . . . . 5 II THEORETICAL BACKGROUND... Performance Computing High performance computing (HPC) refers to solving advanced computation problems quickly and reliably using the power of parallel machines. A parallel machine can either be a shared memory supercomputer or a distributed memory computer...

  19. 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:

  20. 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...

  1. Revisit of Energy Use and Technologies of High Performance Buildings

    E-Print Network [OSTI]

    Li Ph.D., Cheng

    2014-01-01T23:59:59.000Z

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

  2. High performance distributed simulation for interactive simulated vascular reconstruction

    E-Print Network [OSTI]

    Amsterdam, Universiteit van

    performance. 1 Introduction Interactive simulation environments are dynamic systems that combine simula- tion.1 Performance of interactive simulation environments The most important factor in the performance of a dynamic dynamic simulation environment. 1 1 2 2 3 visualization rendering simulation time rendering delay

  3. Money for Research, Not for Energy Bills: Finding Energy and Cost Savings in High Performance Computer Facility Designs

    E-Print Network [OSTI]

    Sartor, Dale

    2011-01-01T23:59:59.000Z

    Journal of High Performance Computing Applications 22 (2).is both a model of high-performance computing and a showcaseAbstract High-performance computing facilities in the United

  4. Method for improving performance of highly stressed electrical insulating structures

    DOE Patents [OSTI]

    Wilson, Michael J. (Modesto, CA); Goerz, David A. (Brentwood, CA)

    2002-01-01T23:59:59.000Z

    Removing the electrical field from the internal volume of high-voltage structures; e.g., bushings, connectors, capacitors, and cables. The electrical field is removed from inherently weak regions of the interconnect, such as between the center conductor and the solid dielectric, and places it in the primary insulation. This is accomplished by providing a conductive surface on the inside surface of the principal solid dielectric insulator surrounding the center conductor and connects the center conductor to this conductive surface. The advantage of removing the electric fields from the weaker dielectric region to a stronger area improves reliability, increases component life and operating levels, reduces noise and losses, and allows for a smaller compact design. This electric field control approach is currently possible on many existing products at a modest cost. Several techniques are available to provide the level of electric field control needed. Choosing the optimum technique depends on material, size, and surface accessibility. The simplest deposition method uses a standard electroless plating technique, but other metalization techniques include vapor and energetic deposition, plasma spraying, conductive painting, and other controlled coating methods.

  5. Resolution of a High Performance Cavity Beam Position Monitor System

    SciTech Connect (OSTI)

    Walston, S; Chung, C; Fitsos, P; Gronberg, J; Ross, M; Khainovski, O; Kolomensky, Y; Loscutoff, P; Slater, M; Thomson, M; Ward, D; Boogert, S; Vogel, V; Meller, R; Lyapin, A; Malton, S; Miller, D; Frisch, J; Hinton, S; May, J; McCormick, D; Smith, S; Smith, T; White, G; Orimoto, T; Hayano, H; Honda, Y; Terunuma, N; Urakawa, J

    2005-09-12T23:59:59.000Z

    International Linear Collider (ILC) interaction region beam sizes and component position stability requirements will be as small as a few nanometers. It is important to the ILC design effort to demonstrate that these tolerances can be achieved - ideally using beam-based stability measurements. It has been estimated that RF cavity beam position monitors (BPMs) could provide position measurement resolutions of less than one nanometer and could form the basis of the desired beam-based stability measurement. We have developed a high resolution RF cavity BPM system. A triplet of these BPMs has been installed in the extraction line of the KEK Accelerator Test Facility (ATF) for testing with its ultra-low emittance beam. A metrology system for the three BPMs was recently installed. This system employed optical encoders to measure each BPM's position and orientation relative to a zero-coefficient of thermal expansion carbon fiber frame and has demonstrated that the three BPMs behave as a rigid-body to less than 5 nm. To date, we have demonstrated a BPM resolution of less than 20 nm over a dynamic range of +/- 20 microns.

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

    SciTech Connect (OSTI)

    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

    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 Proton’s 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.

  7. DOE Zero Energy Ready Home High-Performance Home Sales Training Part II 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 II, presented in February 2015.

  8. 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.

  9. 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.

  10. 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.

  11. 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.

  12. High Performance Computing at TJNAF| U.S. DOE Office of Science...

    Office of Science (SC) Website

    More Information Applications of Nuclear Science Archives High Performance Computing at TJNAF Print Text Size: A A A FeedbackShare Page Application...

  13. High Performance Computational Biology: A Distributed computing Perspective (2010 JGI/ANL HPC Workshop)

    ScienceCinema (OSTI)

    Konerding, David [Google, Inc

    2011-06-08T23:59:59.000Z

    David Konerding from Google, Inc. gives a presentation on "High Performance Computational Biology: A Distributed Computing Perspective" at the JGI/Argonne HPC Workshop on January 26, 2010.

  14. Marine Bio-Nanotechnology: High-Performance Materials from Sponge Silicatein

    E-Print Network [OSTI]

    Morse, Daniel E.

    2007-01-01T23:59:59.000Z

    Title: Marine Bio-Nanotechnology: High-Performance MaterialsChemical Biology (2005); Nanotechnology Review (2005, 2006);Marine biotechnology; nanotechnology; sponge; silica;

  15. Fluorescent Pigments for High-Performance Cool Roofing and Facades...

    Energy Savers [EERE]

    dark-colored pigments for cool metal roof and faade coatings that incorporate near-infrared fluorescence and reflectance to improve energy performance. Image: PPG Industries 2...

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

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

    dark-colored pigments for cool metal roof and faade coatings that incorporate near-infrared fluorescence and reflectance to improve energy performance. Image: PPG Industries 2...

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

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

    Zintl phase TE materials with embedded nanoparticles Performance of zintl phase thermoelectric materials with embedded particles are evaluated shakouri.pdf More Documents &...

  18. High Performance Building Facade Solutions PIER Final Project Report

    E-Print Network [OSTI]

    Lee, Eleanor

    2011-01-01T23:59:59.000Z

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

  19. 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...

  20. A Comparative Study of Stochastic Unit Commitment and Security-Constrained Unit Commitment Using High Performance Computing

    E-Print Network [OSTI]

    Oren, Shmuel S.

    High Performance Computing Anthony Papavasiliou and Shmuel S. Oren Abstract-- The large decomposition. The proposed algorithms are implemented in a high performance computing environment

  1. Tech-X Corporation has accessed the high performance computing (HPC) facilities at the Science and Technology Facilities Council's (STFC)

    E-Print Network [OSTI]

    Zharkova, Valentina V.

    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

  2. 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,...

  3. 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,...

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

    Broader source: Energy.gov [DOE]

    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...

  5. Techniques of High Performance Reservoir Simulation for Unconventional Challenges

    E-Print Network [OSTI]

    Wang, Yuhe

    2013-12-05T23:59:59.000Z

    The quest to improve the performance of reservoir simulators has been evolving with the newly encountered challenges of modeling more complex recovery mechanisms and related phenomena. Reservoir subsidence, fracturing and fault reactivation etc...

  6. High-performance Organic Thin-film Transistor 

    E-Print Network [OSTI]

    Jung, Yunbum

    2014-03-19T23:59:59.000Z

    the performance of OTFTs, three novel strategies are proposed in this work: submicron metal patterning, self-aligned structure, and metal semiconductor field-effect transistor (MESFET)-like structure. To realize the solutions, a new concept of lithography, dual...

  7. Moisture and Structural Analysis for High Performance Hybrid Wall Assemblies

    SciTech Connect (OSTI)

    Grin, A.; Lstiburek, J.

    2012-09-01T23:59:59.000Z

    This report describes the work conducted by the Building Science Corporation (BSC) Building America Research Team's 'Energy Efficient Housing Research Partnerships' project. Based on past experience in the Building America program, they have found that combinations of materials and approaches---in other words, systems--usually provide optimum performance. No single manufacturer typically provides all of the components for an assembly, nor has the specific understanding of all the individual components necessary for optimum performance.

  8. Origins of Analysis Methods in Energy Simulation Programs Used for High Performance Commercial Buildings 

    E-Print Network [OSTI]

    Oh, Sukjoon

    2013-08-19T23:59:59.000Z

    , special features such as active and passive solar systems, photovoltaic systems, and lighting and daylighting systems. Unfortunately, many high performance buildings today do not perform the way they were simulated. One potential reason...

  9. Synthesis of new high performance lubricants and solid lubricants

    SciTech Connect (OSTI)

    Lagow, Richard J.

    1993-04-08T23:59:59.000Z

    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.

  10. 2011 DoD High Performance Computing Modernization Program Users Group Conference A Web-based High-Throughput Tool for Next-Generation Sequence Annotation

    E-Print Network [OSTI]

    320 2011 DoD High Performance Computing Modernization Program Users Group Conference A Web deployed on the Mana Linux cluster at the Maui High Performance Computing Center. The two components

  11. High performance batteries with carbon nanomaterials and ionic liquids

    DOE Patents [OSTI]

    Lu, Wen (Littleton, CO)

    2012-08-07T23:59:59.000Z

    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.

  12. Runtime Power Estimator Calibration for High-Performance Microprocessors

    E-Print Network [OSTI]

    Tan, Sheldon X.-D.

    optimization, dynamic thermal/power management [1], [2], [3], [4] and chip reliability analysis [5], [6 to assist the global power/thermal managements such as fan speed control and dynamic voltage and frequency numbers of various performance actions for each functional block in a time frame and calculate the power

  13. Key Elements of and Materials Performance Targets for Highly

    E-Print Network [OSTI]

    and Technology, Hřgskoleringen 7A, NO-7491 Trondheim, Norway Abstract The thermal performance of windows 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

  14. FY 2013 EL Program Description EL Program: Net-Zero Energy, High-Performance

    E-Print Network [OSTI]

    Magee, Joseph W.

    FY 2013 EL Program Description EL Program: Net-Zero Energy, High-Performance Buildings the measurement science to move the nation towards net-zero energy, high- performance buildings in a cost of net- zero operation by 1) reducing heating and cooling loads within the building, 2) developing

  15. A high performance dual revised simplex solver Julian Hall, Qi Huangfu and Edmund Smith

    E-Print Network [OSTI]

    Hall, Julian

    A high performance dual revised simplex solver Julian Hall, Qi Huangfu and Edmund Smith School of Mathematics University of Edinburgh 2nd December 2010 A high performance dual revised simplex solver #12;Overview · LP problems and the dual simplex method · Why use dual simplex method · Why exploit parallelism

  16. A Floating-point Accumulator for FPGA-based High Performance Computing Applications

    E-Print Network [OSTI]

    Zambreno, Joseph A.

    A Floating-point Accumulator for FPGA-based High Performance Computing Applications Song Sun Joseph,zambreno}@iastate.edu Abstract--A floating-point accumulator for FPGA-based high performance computing applications is proposed and evaluated. Compared to previous work, our accumulator uses a fixed size circuit, and can reduce an arbitrary

  17. OpenMSI: A High-Performance Web-Based Platform for Mass Spectrometry Imaging

    E-Print Network [OSTI]

    OpenMSI: A High-Performance Web-Based Platform for Mass Spectrometry Imaging Oliver RĂĽbel, AnnetteMSI: A High-Performance Web-Based Platform for Mass Spectrometry Imaging Oliver Rubel,* Annette Greiner. Acknowledgements: This work was supported by and used resources of the National Energy Research Scientific

  18. Characterization of At-species in simple and biological media by high performance

    E-Print Network [OSTI]

    Boyer, Edmond

    Characterization of At- species in simple and biological media by high performance anion exchange detection system, may be an alternative way to study its chemistry. In this research work, High Performance indicates the existence of negative ion, astatide At- . The methodology was successfully applied

  19. Graphenesponges as high-performance low-cost anodes for microbial fuel Xing Xie,ab

    E-Print Network [OSTI]

    Cui, Yi

    Graphene­sponges as high-performance low-cost anodes for microbial fuel cells Xing Xie,ab Guihua Yu February 2012 DOI: 10.1039/c2ee03583a A high-performance microbial fuel cell (MFC) anode was con- structed. Microbial fuel cells (MFCs) harness the metabolism of exoelec- trogens, microorganisms that mediate

  20. ENERGY-EFFICIENT RESOURCE MANAGEMENT FOR HIGH-PERFORMANCE COMPUTING PLATFORMS

    E-Print Network [OSTI]

    Qin, Xiao

    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

  1. WiSARDNET: A SYSTEM SOLUTION FOR HIGH PERFORMANCE IN SITU ENVIRONMENTAL MONITORING

    E-Print Network [OSTI]

    WiSARDNET: A SYSTEM SOLUTION FOR HIGH PERFORMANCE IN SITU ENVIRONMENTAL MONITORING Zijiang Yang-temporal monitoring of environmental and ecosystems processes. WiSARDNet is a complete distributed sensing system, as well as careful energy management in a weatherproof package, allow high-performance data collection

  2. Performance and endurance of a high temperature PEM fuel cell operated on methanol reformate

    E-Print Network [OSTI]

    Kćr, Sřren Knudsen

    Performance and endurance of a high temperature PEM fuel cell operated on methanol reformate Samuel September 2014 Available online xxx Keywords: High temperature PEM Fuel cell Methanol Impedance spectroscopy a b s t r a c t This paper analyzes the effects of methanol and water vapor on the performance

  3. Development of a High-Performance Office Building Simulation Model for a Hot and Humid Climate 

    E-Print Network [OSTI]

    Cho, S.; Haberl, J.

    2009-01-01T23:59:59.000Z

    applicable to office buildings in hot and humid climates and to develop a high-performance (maximum energy-efficient) building model that only uses technologies readily available in the contemporary market. The high-performance model showed 48% total energy...

  4. High-performance polyimide waveguide array with micro mirror coupler for guided-wave optoelectronic interconnects

    E-Print Network [OSTI]

    Chen, Ray

    High-performance polyimide waveguide array with micro mirror coupler for guided-wave optoelectronicTexas at Austin, Austin, TX 78758 ABSTRACT We report the formation of high-performance polyimide waveguide array. We employed the Si CMOS process compatible polyimide as the fabrication material, which is relatively

  5. Facile synthesis of Li2Spolypyrrole composite structures for high-performance Li2S cathodes

    E-Print Network [OSTI]

    Cui, Yi

    Facile synthesis of Li2S­polypyrrole composite structures for high-performance Li2S cathodes Zhi demon- strate facile, in situ synthesis of Li2S­polypyrrole composites for use as high-performance Li2S polysulfides during cycling. Poly- pyrrole, being a conducting polymer, also helps to facilitate elec- tronic

  6. Titanium: A High-Performance Java Dialect Kathy Yelick, Luigi Semenzato, Geoff Pike, Carleton Miyamoto,

    E-Print Network [OSTI]

    Aiken, Alex

    Titanium: A High-Performance Java Dialect Kathy Yelick, Luigi Semenzato, Geoff Pike, Carleton Laboratory Abstract Titanium is a language and system for high-performance parallel scientific computing. Titanium uses Java as its base, thereby leveraging the advantages of that language and allowing us to focus

  7. Titanium: A HighPerformance Java Dialect \\Lambda Kathy Yelick, Luigi Semenzato, Geoff Pike, Carleton Miyamoto,

    E-Print Network [OSTI]

    Krishnamurthy, Arvind

    Titanium: A High­Performance Java Dialect \\Lambda Kathy Yelick, Luigi Semenzato, Geoff Pike National Laboratory Abstract Titanium is a language and system for high­performance parallel scientific computing. Titanium uses Java as its base, thereby leveraging the advantages of that language and allowing

  8. Titanium: A High-Performance Java Dialect* Kathy Yelick, Luigi Semenzato, Geoff Pike, Carleton Miyamoto,

    E-Print Network [OSTI]

    Titanium: A High-Performance Java Dialect* Kathy Yelick, Luigi Semenzato, Geoff Pike, Carleton Laboratory Abstract Titanium is a language and system for high-performance parallel scientific computing. Titanium uses Java as its base, thereby leveraging the advantages of that language and allowing us to focus

  9. Durability Assessment of an Arch Dam using Inverse Analysis with Neural Networks and High Performance Computing.

    E-Print Network [OSTI]

    Coutinho, Alvaro L. G. A.

    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

  10. 12003 Workshop on High Performance Switching and Routing M.Atiquzzaman, Univ. of Oklahoma, June 2003.

    E-Print Network [OSTI]

    Atiquzzaman, Mohammed

    12003 Workshop on High Performance Switching and Routing M.Atiquzzaman, Univ. of Oklahoma, June Fu) School of Computer Science University of Oklahoma, Norman, OK 73019-6151. Email: atiq@ou.edu #12;22003 Workshop on High Performance Switching and Routing M.Atiquzzaman, Univ. of Oklahoma, June 2003

  11. Power System Probabilistic and Security Analysis on Commodity High Performance Computing Systems

    E-Print Network [OSTI]

    Franchetti, Franz

    power system infrastructures also requires merging of offline security analyses into on- line operationPower System Probabilistic and Security Analysis on Commodity High Performance Computing Systems tools for power system probabilistic and security analysis: 1) a high performance Monte Carlo simulation

  12. Reliable High Performance Peta- and Exa-Scale Computing

    SciTech Connect (OSTI)

    Bronevetsky, G

    2012-04-02T23:59:59.000Z

    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.

  13. High Performance Batteries Based on Hybrid Magnesium and Lithium Chemistry

    SciTech Connect (OSTI)

    Cheng, Yingwen; Shao, Yuyan; Zhang, Jiguang; Sprenkle, Vincent L.; Liu, Jun; Li, Guosheng

    2014-01-01T23:59:59.000Z

    Magnesium and lithium (Mg/Li) hybrid batteries that combine Mg and Li electrochemistry, consisting of a Mg anode, a lithium-intercalation cathode and a dual-salt electrolyte with both Mg2+ and Li+ ions, were constructed and examined in this work. Our results show that hybrid (Mg/Li) batteries were able to combine the advantages of Li-ion and Mg batteries, and delivered outstanding rate performance (83% for capacities at 15C and 0.1C) and superior cyclic stability (~5% fade after 3000 cycles).

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

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

    AFDC Printable Version Share this resource Send a link to EERE: Alternative Fuels Data Center Home Page to someone by E-mail Share EERE: Alternative Fuels Data Center Home Page on Facebook Tweet about EERE: Alternative Fuels Data Center Home Page on Twitter Bookmark EERE: Alternative1 First Use of Energy for All Purposes (Fuel and Nonfuel), 2002; Level: National5Sales for4,645 3,625 1,006 492 742EnergyOn April 23,EnergyChicopeeTechnology Performance Exchange(tm) (TPEx(tm)) isPUBLIC

  15. High-Performance Design Patterns for Modern Fortran

    DOE Public Access Gateway for Energy & Science Beta (PAGES Beta)

    Haveraaen, Magne; Morris, Karla; Rouson, Damian; Radhakrishnan, Hari; Carson, Clayton

    2015-01-01T23:59:59.000Z

    This paper presents ideas for using coordinate-free numerics in modern Fortran to achieve code flexibility in the partial differential equation (PDE) domain. We also show how Fortran, over the last few decades, has changed to become a language well-suited for state-of-the-art software development. Fortran’s new coarray distributed data structure, the language’s class mechanism, and its side-effect-free, pure procedure capability provide the scaffolding on which we implement HPC software. These features empower compilers to organize parallel computations with efficient communication. We present some programming patterns that support asynchronous evaluation of expressions comprised of parallel operations on distributed data. We implemented thesemore »patterns using coarrays and the message passing interface (MPI). We compared the codes’ complexity and performance. The MPI code is much more complex and depends on external libraries. The MPI code on Cray hardware using the Cray compiler is 1.5–2 times faster than the coarray code on the same hardware. The Intel compiler implements coarrays atop Intel’s MPI library with the result apparently being 2–2.5 times slower than manually coded MPI despite exhibiting nearly linear scaling efficiency. As compilers mature and further improvements to coarrays comes in Fortran 2015, we expect this performance gap to narrow.« less

  16. Generalized Portable SHMEM Library for High Performance Computing

    SciTech Connect (OSTI)

    Krzysztof Parzyszek

    2003-08-05T23:59:59.000Z

    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.

  17. High performance control of harmonic instability from HVDC link system

    SciTech Connect (OSTI)

    Min, W.K.; Yoo, M.H. [Korea Electric Power Research Inst., Taejeon (Korea, Republic of)

    1995-12-31T23:59:59.000Z

    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.

  18. Tokamaks with high-performance resistive magnets: advanced test reactors and prospects for commercial applications

    SciTech Connect (OSTI)

    Bromberg, L.; Cohn, D.R.; Williams, J.E.C.; Becker, H.; Leclaire, R.; Yang, T.

    1981-10-01T23:59:59.000Z

    Scoping studies have been made of tokamak reactors with high performance resistive magnets which maximize advantages gained from high field operation and reduced shielding requirements, and minimize resistive power requirements. High field operation can provide very high values of fusion power density and n tau/sub e/ while the resistive power losses can be kept relatively small. Relatively high values of Q' = Fusion Power/Magnet Resistive Power can be obtained. The use of high field also facilitates operation in the DD-DT advanced fuel mode. The general engineering and operational features of machines with high performance magnets are discussed. Illustrative parameters are given for advanced test reactors and for possible commercial reactors. Commercial applications that are discussed are the production of fissile fuel, electricity generation with and without fissioning blankets and synthetic fuel production.

  19. Bio-Engineering High Performance Microbial Strains for MEOR

    SciTech Connect (OSTI)

    Xiangdong Fang; Qinghong Wang; Patrick Shuler

    2007-12-30T23:59:59.000Z

    The main objectives of this three-year research project are: (1) to employ the latest advances in genetics and bioengineering, especially Directed Protein Evolution technology, to improve the effectiveness of the microbial enhanced oil recovery (MEOR) process. (2) to improve the surfactant activity and the thermal stability of bio-surfactant systems for MEOR; and (3) to develop improved laboratory methods and tools that screen quickly candidate bio-systems for EOR. Biosurfactants have been receiving increasing attention as Enhanced Oil Recovery (EOR) agents because of their unique properties (i.e., mild production conditions, lower toxicity, and higher biodegradability) compared to their synthetic chemical counterparts. Rhamnolipid as a potent natural biosurfactant has a wide range of potential applications, including EOR and bioremediation. During the three-year of the project period, we have successfully cloned the genes involved in the rhamnolipid bio-synthesis. And by using the Transposon containing Rhamnosyltransferase gene rhlAB, we engineered the new mutant strains P. aeruginosa PEER02 and E. coli TnERAB so they can produce rhamnolipid biosurfactans. We were able to produce rhamnolipds in both P. aeroginosa PAO1-RhlA- strain and P. fluorescens ATCC15453 strain, with the increase of 55 to 175 fold in rhamnolipid production comparing with wild type bacteria strain. We have also completed the first round direct evolution studies using Error-prone PCR technique and have constructed the library of RhlAB-containing Transposon to express mutant gene in heterologous hosts. Several methods, such as colorimetric agar plate assay, colorimetric spectrophotometer assay, bioactive assay and oil spreading assay have been established to detect and screen rhamnolipid production. Our engineered P. aeruginosa PEER02 strain can produce rhamnolipids with different carbon sources as substrate. Interfacial tension analysis (IFT) showed that different rhamnolipids from different substrates gave different performance. Those rhamnolipids with plant oil as substrate showed as low an IFT as 0.05mN/m in the buffer solution with pH5.0 and 2% NaCl. Core flooding tests showed that rhamnolipids produced by our engineered bacteria are effective agents for EOR. At 250ppm rhamnolipid concentration from P. aeruginosa PEER02, 42% of the remaining oil after waterflood was recovered. These results were therefore significant towards considering the exploration of the studied rhamnolipids as EOR agents.

  20. A compact high-performance low-field NMR apparatus for measurements on fluids at very high pressures and temperatures

    SciTech Connect (OSTI)

    Freedman, R.; Anand, V., E-mail: VAnand@slb.com; Ganesan, K.; Tabrizi, P.; Torres, R. [Schlumberger Technology Corp., 110 Schlumberger Drive, Sugar Land, Texas 77478 (United States)] [Schlumberger Technology Corp., 110 Schlumberger Drive, Sugar Land, Texas 77478 (United States); Grant, B. [Grant Innovation, 618 Mesquite Drive, Cedar Creek, Texas 78612 (United States)] [Grant Innovation, 618 Mesquite Drive, Cedar Creek, Texas 78612 (United States); Catina, D. [National Oilwell Varco, 10302 Mula Road, Stafford, Texas 77477 (United States)] [National Oilwell Varco, 10302 Mula Road, Stafford, Texas 77477 (United States); Ryan, D.; Borman, C.; Krueckl, C. [Schlumberger DBR Technology Center, 9450–17 Avenue NW, Edmonton, Alberta (Canada)] [Schlumberger DBR Technology Center, 9450–17 Avenue NW, Edmonton, Alberta (Canada)

    2014-02-15T23:59:59.000Z

    We discuss an innovative new high-performance apparatus for performing low-field Nuclear Magnetic Resonance (NMR) relaxation times and diffusion measurements on fluids at very high pressures and high temperatures. The apparatus sensor design and electronics specifications allow for dual deployment either in a fluid sampling well logging tool or in a laboratory. The sensor and electronics were designed to function in both environments. This paper discusses the use of the apparatus in a laboratory environment. The operating temperature and pressure limits, and the signal-to-noise ratio (SNR) of the new system exceed by a very wide margin what is currently possible. This major breakthrough was made possible by a revolutionary new sensor design that breaks many of the rules of conventional high pressure NMR sensor design. A metallic sample holder capable of operating at high pressures and temperatures is provided to contain the fluid under study. The sample holder has been successfully tested for operation up to 36 Kpsi. A solenoid coil wound on a slotted titanium frame sits inside the metallic sample holder and serves as an antenna to transmit RF pulses and receive NMR signals. The metal sample holder is sandwiched between a pair of gradient coils which provide a linear field gradient for pulsed field gradient diffusion measurements. The assembly sits in the bore of a low-gradient permanent magnet. The system can operate over a wide frequency range without the need for tuning the antenna to the Larmor frequency. The SNR measured on a water sample at room temperature is more than 15 times greater than that of the commercial low-field system in our laboratory. Thus, the new system provides for data acquisition more than 200 times faster than was previously possible. Laboratory NMR measurements of relaxations times and diffusion coefficients performed at pressures up to 25 Kpsi and at temperatures up to 175?°C with crude oils enlivened with dissolved hydrocarbon gases (referred to as “live oils”) are shown. This is the first time low-field NMR measurements have been performed at such high temperatures and pressures on live crude oil samples. We discuss the details of the apparatus design, tuning, calibration, and operation. NMR data acquired at multiple temperatures and pressures on a live oil sample are discussed.

  1. Energy savings estimates and cost benefit calculations for high performance relocatable classrooms

    SciTech Connect (OSTI)

    Rainer, Leo I.; Hoeschele, Marc A.; Apte, Michael G.; Shendell, Derek G.; Fisk, Wlliam J.

    2003-12-01T23:59:59.000Z

    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.

  2. Practices and Processes of Leading High Performance Home Builders in the Upper Midwest

    SciTech Connect (OSTI)

    Von Thoma, E.; Ojczyk, C.

    2012-12-01T23:59:59.000Z

    The NorthernSTAR Building America Partnership team proposed this study to gain insight into the business, sales, and construction processes of successful high performance builders. The knowledge gained by understanding the high performance strategies used by individual builders, as well as the process each followed to move from traditional builder to high performance builder, will be beneficial in proposing more in-depth research to yield specific action items to assist the industry at large transform to high performance new home construction. This investigation identified the best practices of three successful high performance builders in the upper Midwest. In-depth field analysis of the performance levels of their homes, their business models, and their strategies for market acceptance were explored. All three builders commonly seek ENERGY STAR certification on their homes and implement strategies that would allow them to meet the requirements for the Building America Builders Challenge program. Their desire for continuous improvement, willingness to seek outside assistance, and ambition to be leaders in their field are common themes. Problem solving to overcome challenges was accepted as part of doing business. It was concluded that crossing the gap from code-based building to high performance based building was a natural evolution for these leading builders.

  3. High-performance Si microwire photovoltaics Michael D. Kelzenberg,a

    E-Print Network [OSTI]

    Atwater, Harry

    High-performance Si microwire photovoltaics Michael D. Kelzenberg,a Daniel B. Turner-Evans,a Morgan for low- cost, thin-film photovoltaics. Here, we demonstrate VLS-grown Si microwires that have suitable electrical properties for high-perfor- mance photovoltaic applications, including long minority

  4. Description and performance of a highly versatile, low-cost fiber-optic confocal Raman microscope

    E-Print Network [OSTI]

    Myrick, Michael Lenn

    Description and performance of a highly versatile, low-cost fiber-optic confocal Raman microscope C for publication 29 September 1995 A versatile fiber-optic confocal Raman microscope has been developed. Fiber and disadvantages.11,12 We report here the development of an automated highly versatile fiber-optic confocal Raman

  5. Designing Accelerator-Based Distributed Systems for High Performance M. Mustafa Rafique, Ali R. Butt

    E-Print Network [OSTI]

    Butt, Ali R.

    ), yielding highly power-efficient and cost-efficient designs, with per- formance exceeding 100 Gflops [1Designing Accelerator-Based Distributed Systems for High Performance M. Mustafa Rafique, Ali R general- purpose cores (e.g. x86, PowerPC) and computational accelerators (e.g. SIMD processors and GPUs

  6. Energy-Efficient Pipeline Templates for High-Performance Asynchronous Circuits

    E-Print Network [OSTI]

    Manohar, Rajit

    A Energy-Efficient Pipeline Templates for High-Performance Asynchronous Circuits Basit Riaz Sheikh and Rajit Manohar, Cornell University We present two novel energy-efficient pipeline templates for high is presented, which results in significant latency and energy savings especially as the number of outputs

  7. TEG: A High-Performance, Scalable, Multi-Network Point-to-Point Communications Methodology

    E-Print Network [OSTI]

    Lumsdaine, Andrew

    TEG: A High-Performance, Scalable, Multi-Network Point-to-Point Communications Methodology T University Abstract. TEG is a new component-based methodology for point-to-point mes- saging. Developed as part of the Open MPI project, TEG provides a configurable fault-tolerant capability for high

  8. Online Strategies for High-Performance Power-Aware Thread Execution on Emerging Multiprocessors

    E-Print Network [OSTI]

    Freeh, Vincent

    and component density of emerging su- percomputers pose a hard requirement for power-aware sys- tem design PowerEdge 6650 with Intel Xeon HT processors. The high- lighted area indicates opportunitiesOnline Strategies for High-Performance Power-Aware Thread Execution on Emerging Multiprocessors

  9. In Proceedings of the 17th IEEE International Symposium on High Performance Computer Architecture (HPCA), 2011

    E-Print Network [OSTI]

    Memik, Gokhan

    DRAM modules can rise to over 95°C. Another important property of DRAM temperature is the large, these methods exacerbate the problems of high power consumption and operating temperatures in DRAM systems]. These high temperatures have adverse effects on the performance and reliability of the DRAM. When

  10. Energy Efficient Phase Change Memory Based Main Memory for Future High Performance Systems

    E-Print Network [OSTI]

    Conte, Thomas M.

    hybrid system using a commodity DRAM cache. Keywords-Memory Controller, DRAM, PCM, Energy I. INTRODUCTIONEnergy Efficient Phase Change Memory Based Main Memory for Future High Performance Systems Abstract system of similar storage size. Our proposed system is highly energy efficient and provides 35

  11. Prospects for accelerated development of high performance structural materials Steven J. Zinkle a,

    E-Print Network [OSTI]

    Ghoniem, Nasr M.

    evolved into high-performance 9%Cr reduced-activation ferritic­martensitic steels with superior mechanical strength- ened (ODS) steels are being investigated in worldwide research programs for potential

  12. VIP-FS: A Virtual, Parallel file System for High Performance Parallel and Distributed Computing *

    E-Print Network [OSTI]

    Kuzmanovic, Aleksandar

    -passing li- blclries only provide part of the support necessary for most high performan.ce distributed computing applzca- tzcjns - support for hagh speed parallel l/O is still lark- 211q. In this paper, we

  13. Thermal properties of granular silica aerogel for high-performance insulation systems

    E-Print Network [OSTI]

    Neugebauer, Adam (Adam Halbert)

    2013-01-01T23:59:59.000Z

    Based on mounting evidence in support of anthropogenic global climate change, there is an urgency for developments in high-performance building techniques and technologies. New construction projects provide substantial ...

  14. Improved Heat Transfer and Performance of High Intensity Combustion Systems for Reformer Furnace Applications

    E-Print Network [OSTI]

    Williams, F. D. M.; Kondratas, H. M.

    1983-01-01T23:59:59.000Z

    and should enable substantial capital cost savings in new furnace applications. Recent performance improvements established from tests of high intensity combustion systems are described along with advances made in the analytical prediction of design...

  15. High Performance Single-Error-Correcting Quantum Codes for Amplitude Damping

    E-Print Network [OSTI]

    Shor, Peter W.

    We construct families of high performance quantum amplitude damping codes. All of our codes are nonadditive and most modestly outperform the best possible additive codes in terms of encoded dimension. One family is built ...

  16. Origins of Analysis Methods in Energy Simulation Programs Used for High Performance Commercial Buildings

    E-Print Network [OSTI]

    Oh, Sukjoon

    2013-08-19T23:59:59.000Z

    Current designs of high performance buildings utilize hourly building energy simulations of complex, interacting systems. Such simulations need to quantify the benefits of numerous features including: thermal mass, HVAC systems and, in some cases...

  17. Pedestal structure and stability in high-performance plasmas on Alcator C-Mod

    E-Print Network [OSTI]

    Walk, John Reel, Jr

    2014-01-01T23:59:59.000Z

    High-performance operation in tokamaks is characterized by the formation of a pedestal, a region of suppressed transport and steep gradients in density, temperature, and pressure near the plasma edge. The pedestal height ...

  18. Practical limitations of single-span ultra-high performance concrete beams

    E-Print Network [OSTI]

    Abrams, Daniel Scott

    2013-01-01T23:59:59.000Z

    Since its development in the early 1970's, researchers have continued to push the limits of concrete mixtures through the creation of ultra-high performance concretes. The use of this class of materials has allowed designers ...

  19. High Performance Computing for Sequence Analysis (2010 JGI/ANL HPC Workshop)

    ScienceCinema (OSTI)

    Oehmen, Chris [PNNL

    2011-06-08T23:59:59.000Z

    Chris Oehmen of the Pacific Northwest National Laboratory gives a presentation on "High Performance Computing for Sequence Analysis" at the JGI/Argonne HPC Workshop on January 25, 2010.

  20. Vehicle Technologies Office Merit Review 2013: Accelerating Predictive Simulation of IC Engines with High Performance Computing

    Broader source: Energy.gov [DOE]

    Presentation given by Oak Ridge National Laboratory at the 2013 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting about simulating internal combustion engines using high performance computing.

  1. Studies of Perovskite Materials for High-Performance Storage Media, Piezoelectric, and Solar Energy Conversion Devices

    E-Print Network [OSTI]

    Rappe, Andrew M.

    Studies of Perovskite Materials for High-Performance Storage Media, Piezoelectric, and Solar Energy of applications, such as sensing, data storage, and energy conversion. For example, perovskite solid solutions

  2. Principal-agent alignment and relational incentive contracts in high-performance service operations

    E-Print Network [OSTI]

    Doss, Ryan Garrett

    2014-01-01T23:59:59.000Z

    This thesis focuses on the creation of a high-performance service operations organization. As organizations increasingly compete on service quality, increased attention has been given to measuring, tracking, and improving ...

  3. Building America Webinar: High Performance Enclosure Strategies: Part II, New Construction

    Broader source: Energy.gov [DOE]

    Date/Time:  August 13, 2014; 3:00-4:30 PM EDTDescription: The webinar is the second in the series on designing and constructing high performance building enclosures, and will focus on effective...

  4. What are the Best HVAC Solutions for Low-Load, High Performance Homes?"

    Broader source: Energy.gov [DOE]

    This presentation was given at the Summer 2012 DOE Building America meeting on July 26, 2012, and addressed the question ŤWhat are the best HVAC solutions for low-load, high performance homes?"

  5. Vehicle Technologies Office Merit Review 2015: Development of High-Performance Cast Crankshafts

    Broader source: Energy.gov [DOE]

    Presentation given by Caterpillar at 2015 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting about development of high-performance...

  6. Vehicle Technologies Office Merit Review 2015: High Performance DC Bus Film Capacitor

    Broader source: Energy.gov [DOE]

    Presentation given by GE Global Research at 2015 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting about high performance DC bus...

  7. High Performance Fuel Design for Next Generation PWRs 2nd Annual Report

    E-Print Network [OSTI]

    Ballinger, Ronald G.

    The overall objective of this NERI project is to examine the potential for a high performance advanced fuel design for Pressurized Water Reactors (PWRs), which would accommodate a substantial increase of core power density ...

  8. High Performance Fuel Design for Next Generation PWRs: 11th Quarterly Report

    E-Print Network [OSTI]

    Kazimi, Mujid S.

    I. Technical Narrative: The overall objective of this NERI project is to examine the potential for a high performance advanced fuel for Pressurized Water Reactors (PWRs), which would accommodate a substantial increase of ...

  9. High Performance Computing for Sequence Analysis (2010 JGI/ANL HPC Workshop)

    SciTech Connect (OSTI)

    Oehmen, Chris [PNNL] [PNNL

    2010-01-25T23:59:59.000Z

    Chris Oehmen of the Pacific Northwest National Laboratory gives a presentation on "High Performance Computing for Sequence Analysis" at the JGI/Argonne HPC Workshop on January 25, 2010.

  10. Baltimore County- Property Tax Credit for High Performance Buildings and Homes

    Broader source: Energy.gov [DOE]

    The state of Maryland permits local governments (Md Code: Property Tax § 9-242) to offer property tax credits for high performance buildings if they choose to do so. Baltimore County exercised this...

  11. 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 DE-FC26-07NT43122 DOE Peer Review Presentation Lembit Salasoo, Project Manager & Presenter Ayman El-Refaie,...

  12. Vehicle Technologies Office Merit Review 2014: High Performance DC Bus Film Capacitor

    Broader source: Energy.gov [DOE]

    Presentation given by GE Global Research at 2014 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting about high performance DC bus...

  13. Workshop on programming languages for high performance computing (HPCWPL): final report.

    SciTech Connect (OSTI)

    Murphy, Richard C.

    2007-05-01T23:59:59.000Z

    This report summarizes the deliberations and conclusions of the Workshop on Programming Languages for High Performance Computing (HPCWPL) held at the Sandia CSRI facility in Albuquerque, NM on December 12-13, 2006.

  14. High Performance Plasma Operation on DIII-D During Extended Periods Without Boronization

    SciTech Connect (OSTI)

    West, W P; Groth, M; Hyatt, A W; Jackson, G L; Wade, M R; Greenfield, C M; Politzer, P A

    2007-06-27T23:59:59.000Z

    High performance plasmas, including both hybrid and advanced tokamak (AT) bench-mark discharges, were shown to be highly repeatable in DIII-D over 6000 plasma-seconds of operation during the 2006 campaign with no intervening boron depositions or high temperature bakes. Hybrid and AT discharges with identical control targets were repeated after the initial boronization at the beginning of the 2006 campaign, and again just before and after a second boronization near the end of the 2006 campaign. After a long entry vent between the 2006 and 2007 campaigns, similar discharges were again repeated after the standard high temperature baking and plasma cleanup, but prior to a boronization. Performance metrics, such as {beta}, confinement quality, and density control, were extremely well repeated. A low performance daily reference shot (DRS) was also established as a routine monitor of impurity influx. Over the 2006 campaign, the DRS database indicated little to no secular increase in impurity content. Oxygen content and Ni line emission were higher after the intervening vent, but were still minor contributors to plasma contamination. This indicates that erosion of boron films used for wall conditioning will not be a limitation to establishing long pulse high performance discharges in the new generation of superconducting tokamaks if graphite is used as the primary plasma facing material. These results contrast with recent work in devices using high-Z metallic plasma facing materials, where very frequent refreshing of boron films is required for high performance plasma operation.

  15. Quality Assurance Strategy for Existing Homes: Final Quality Management Primer for High Performing Homes

    SciTech Connect (OSTI)

    Del Bianco, M.; Taggart, J.; Sikora, J.; Wood, A.

    2012-12-01T23:59:59.000Z

    This guide is designed to help Building America (BA) Teams understand quality management and its role in transitioning from conventional to high performance home building and remodeling. It explains what quality means, the value of quality management systems, the unique need for QMS when building high performing homes, and the first steps to a implementing a comprehensive QMS. This document provides a framework and context for BA teams when they encounter builders and remodelers.

  16. A Survey of High Performance Office Buildings in the United States 

    E-Print Network [OSTI]

    Cho, S.; Haberl, J. S.

    2006-01-01T23:59:59.000Z

    , Cooling Systems, Light Levels, Photovoltaics, Light Sources, Motors, High-performance Windows and Doors, Ventilation Systems, Lighting Controls, HVAC Controls and Zoning 12 EERE (2006) HVAC System Hybrid Air Distribution System Cool & Humid Pittsburgh... 2000 2 36,000 ASHRAE 90.1 - 2001 DOE-2 Simulation 37 40 Wall Insulation, Ground-coupled Systems, Daylighting for Energy Efficiency, Photovoltaics, Lamp Ballasts, High- performance Windows and Doors, Ventilation Systems, Lighting Controls, Roof...

  17. Highlighting High Performance: Michael E. Capuano Early Childhood Center; Somerville, Massachusetts

    SciTech Connect (OSTI)

    Not Available

    2006-03-01T23:59:59.000Z

    This brochure describes the key high-performance building features of the Michael E. Capuano Early Childhood Center. The brochure was paid for by the Massachusetts Technology Collaborative as part of their Green Schools Initiative. High-performance features described are daylighting and energy-efficient lighting, indoor air quality, solar and wind energy, building envelope, heating and cooling systems, water conservation, and acoustics. Energy cost savings are also discussed.

  18. A Survey of High Performance Office Buildings in the United States

    E-Print Network [OSTI]

    Cho, S.; Haberl, J. S.

    2006-01-01T23:59:59.000Z

    2000 2 36,000 ASHRAE 90.1 - 2001 DOE-2 Simulation 37 40 Wall Insulation, Ground-coupled Systems, Daylighting for Energy Efficiency, Photovoltaics, Lamp Ballasts, High- performance Windows and Doors, Ventilation Systems, Lighting Controls, Roof... Cooling Loads, Daylighting for Energy Efficiency, Non-solar Cooling Loads, Interior Design for Light, Photovoltaics, Foundation Insulation, High- performance Windows and Doors, Heating Systems, Lighting Controls, Roof Insulation, PV providing 5...

  19. Scientific Grand Challenges: Forefront Questions in Nuclear Science and the Role of High Performance Computing

    SciTech Connect (OSTI)

    Khaleel, Mohammad A.

    2009-10-01T23:59:59.000Z

    This report is an account of the deliberations and conclusions of the workshop on "Forefront Questions in Nuclear Science and the Role of High Performance Computing" held January 26-28, 2009, co-sponsored by the U.S. Department of Energy (DOE) Office of Nuclear Physics (ONP) and the DOE Office of Advanced Scientific Computing (ASCR). Representatives from the national and international nuclear physics communities, as well as from the high performance computing community, participated. The purpose of this workshop was to 1) identify forefront scientific challenges in nuclear physics and then determine which-if any-of these could be aided by high performance computing at the extreme scale; 2) establish how and why new high performance computing capabilities could address issues at the frontiers of nuclear science; 3) provide nuclear physicists the opportunity to influence the development of high performance computing; and 4) provide the nuclear physics community with plans for development of future high performance computing capability by DOE ASCR.

  20. Cost-E ective Flow Table Designs for High-Speed Routers: Architecture and Performance Evaluation

    E-Print Network [OSTI]

    Xu, Jun "Jim"

    Cost-E#11;ective Flow Table Designs for High-Speed Routers: Architecture and Performance Evaluation State variables Service Parameters update read read Incoming packet action Search Y N Lookup Initialize to be performed (e.g., which output port to route the packet) on the packet and the new values the state variables