National Library of Energy BETA

Sample records for rising highway speeds

  1. Predicting Light-Duty Vehicle Fuel Economy as a Function of Highway Speed

    SciTech Connect (OSTI)

    Thomas, John F; Hwang, Ho-Ling; West, Brian H; Huff, Shean P

    2013-01-01

    The www.fueleconomy.gov website offers information such as window label fuel economy for city, highway, and combined driving for all U.S.-legal light-duty vehicles from 1984 to the present. The site is jointly maintained by the U.S. Department of Energy and the U.S. Environmental Protection Agency (EPA), and also offers a considerable amount of consumer information and advice pertaining to vehicle fuel economy and energy related issues. Included with advice pertaining to driving styles and habits is information concerning the trend that as highway cruising speed is increased, fuel economy will degrade. An effort was undertaken to quantify this conventional wisdom through analysis of dynamometer testing results for 74 vehicles at steady state speeds from 50 to 80 mph. Using this experimental data, several simple models were developed to predict individual vehicle fuel economy and its rate of change over the 50-80 mph speed range interval. The models presented require a minimal number of vehicle attributes. The simplest model requires only the EPA window label highway mpg value (based on the EPA specified estimation method for 2008 and beyond). The most complex of these simple model uses vehicle coast-down test coefficients (from testing prescribed by SAE Standard J2263) known as the vehicle Target Coefficients, and the raw fuel economy result from the federal highway test. Statistical comparisons of these models and discussions of their expected usefulness and limitations are offered.

  2. Solar wind stream interaction: Electron temperature and heat flux rise in the low-speed stream

    SciTech Connect (OSTI)

    Alexander, P.; Duhau, S. )

    1990-11-01

    The strong compression produced in two-stream interaction regions in the solar wind is a local source of heating. The study of the distribution of that energy between heat and internal energy provides valuable information about transport processes. In the present work, the electron heat flux and temperature rise in the compression produced within the low-speed portion of the interaction region is predicted using a new heat conduction law valid for collisionless plasmas with isotropic electron temperature, introduced recently by one of the authors. Equations are found for the electron heat flux and temperature rise as functions of two parameters, one related to the strength of the compression and the other one to the heat flux at the boundaries of the region under study. These equations lead to agreement between theory and experiment.

  3. National Highway Planning Network

    Energy Science and Technology Software Center (OSTI)

    1992-02-02

    NHPN, the National Highway Planning Network, is a database of major highways in the continental United States that is used for national-level analyses of highway transportation issues that require use of a network, such as studies of highway performance, network design, social and environmental impacts of transportation, vehicle routing and scheduling, and mapping. The network is based on a set of roadways digitized by the U. S. Geological Survey (USGS) from the 1980 National Atlasmore » and has been enhanced with additional roads, attribute detail, and topological error corrections to produce a true analytic network. All data have been derived from or checked against information obtained from state and Federal governmental agencies. Two files comprise this network: one describing links and the other nodes. This release, NHPN1.0, contains 44,960 links and 28,512 nodes representing approximately 380,000 miles of roadway.« less

  4. Diesel prices rise slightly

    U.S. Energy Information Administration (EIA) Indexed Site

    Diesel prices rise slightly The U.S. average retail price for on-highway diesel fuel rose slightly to $4.16 a gallon on Monday. That's up 2-tenths of a penny from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Diesel prices were highest in the New England region at 4.34 a gallon, up a penny from a week ago. Prices were lowest in the Rocky Mountain States at 4.06 a gallon, up 2 1/

  5. Highways of hope

    SciTech Connect (OSTI)

    2007-08-15

    It is hoped that through public-private partnerships between Alpha Natural Resources and Pioneer Group and Virginia Department of Transportation, and between one of these coal companies and Buchanan County, Virginia, Industrial Development Authority a four-lane 'highway of hope' between Lovers Gap and Poplar Gap will be paved and a ridge top connector route will eventually be completed to Bull Gap where it will intersect with the Coalfields Expressway and US 460. The town of Grundy is also looking into strip mining coal from beneath the small mountaintop airport at Lovers Gap and turning it into a regional airport. The article discusses these plans. 4 photos.

  6. Federal Highway Administration | Open Energy Information

    Open Energy Info (EERE)

    Administration Jump to: navigation, search Logo: Federal Highway Administration Name: Federal Highway Administration Abbreviation: FHWA Address: 1200 New Jersey Ave, SE Place:...

  7. Diesel prices continue to rise

    U.S. Energy Information Administration (EIA) Indexed Site

    Diesel prices continue to rise The U.S. average retail price for on-highway diesel fuel rose to $4.16 a gallon on Monday. That's up 5.3 cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Diesel prices were highest in the New England region at 4.33 a gallon, up 6.8 cents from a week ago. Prices were lowest in the Rocky Mountain States at 4.03 a gallon, up 6.8

  8. Technical Support Document: 50% Energy Savings Design Technology Packages for Highway Lodging Buildings

    SciTech Connect (OSTI)

    Jiang, Wei; Gowri, Krishnan; Lane, Michael D.; Thornton, Brian A.; Rosenberg, Michael I.; Liu, Bing

    2009-09-28

    This Technical Support Document (TSD) describes the process, methodology and assumptions for development of the 50% Energy Savings Design Technology Packages for Highway Lodging Buildings, a design guidance document intended to provide recommendations for achieving 50% energy savings in highway lodging properties over the energy-efficiency levels contained in ANSI/ASHRAE/IESNA Standard 90.1-2004, Energy Standard for Buildings Except Low-Rise Residential Buildings.

  9. An Optimal Deployment of Wireless Charging Lane for Electric Vehicles on Highway Corridors

    SciTech Connect (OSTI)

    Huang, Yongxi

    2016-01-01

    We propose an integrated modeling framework to optimally locate wireless charging facilities along a highway corridor to provide sufficient in-motion charging. The integrated model consists of a master, Infrastructure Planning Model that determines best locations with integrated two sub-models that explicitly capture energy consumption and charging and the interactions between electric vehicle and wireless charging technologies, geometrics of highway corridors, speed, and auxiliary system. The model is implemented in an illustrative case study of a highway corridor of Interstate 5 in Oregon. We found that the cost of establishing the charging lane is sensitive and increases with the speed to achieve. Through sensitivity analyses, we gain better understanding on the extent of impacts of geometric characteristics of highways and battery capacity on the charging lane design.

  10. Fact #671: April 18, 2011 Average Truck Speeds | Department of Energy

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

    1: April 18, 2011 Average Truck Speeds Fact #671: April 18, 2011 Average Truck Speeds The Federal Highway Administration studies traffic volume and flow on major truck routes by tracking more than 500,000 trucks. The average speed of trucks on selected interstate highways is between 50 and 60 miles per hour (mph). The average operating speed of trucks is typically below 55 mph in major urban areas, border crossings, and in mountainous terrain. The difference in average speed between peak traffic

  11. Hawaii Department of Transportation Highways Division | Open...

    Open Energy Info (EERE)

    Hawaii Department of Transportation Highways Division Address: 869 Punchbowl Street, Room 513 Place: Honolulu, Hawaii Zip: 96809 Website: hawaii.govdothighways Coordinates:...

  12. Imperfect graphene renders 'electrical highways' > Archived News...

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

    method invented In This Section EMC2 News Archived News Stories Imperfect graphene renders 'electrical highways' July 11th, 2013 By Anne Ju Muller lab: Three dark...

  13. Off-Highway Heavy Vehicle Diesel Efficiency Improvement and Emissions...

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

    Off-Highway Heavy Vehicle Diesel Efficiency Improvement and Emissions Reduction Off-Highway Heavy Vehicle Diesel Efficiency Improvement and Emissions Reduction 2005 Diesel Engine ...

  14. CDOT - State Highway Access Permit Application | Open Energy...

    Open Energy Info (EERE)

    State Highway Access Permit Application Jump to: navigation, search OpenEI Reference LibraryAdd to library General: CDOT - State Highway Access Permit Application Author Colorado...

  15. Highway De-icing Snowmelt Low Temperature Geothermal Facility...

    Open Energy Info (EERE)

    De-icing Snowmelt Low Temperature Geothermal Facility Jump to: navigation, search Name Highway De-icing Snowmelt Low Temperature Geothermal Facility Facility Highway De-icing...

  16. A 100-Gigbit Highway for Science

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

    A 100-Gigabit Highway for Science News & Publications ESnet News Media & Press Publications and Presentations Galleries ESnet Awards and Honors Contact Us Media Jon Bashor, jbashor@lbl.gov, +1 510 486 5849 or Media@es.net Technical Assistance: 1 800-33-ESnet (Inside the US) 1 800-333-7638 (Inside the US) 1 510-486-7600 (Globally) 1 510-486-7607 (Globally) Report Network Problems: trouble@es.net Provide Web Site Feedback: info@es.net A 100-Gigabit Highway for Science Researchers Take a

  17. CDOT State Highway Access Permit Application | Open Energy Information

    Open Energy Info (EERE)

    State Highway Access Permit Application Jump to: navigation, search OpenEI Reference LibraryAdd to library Form: CDOT State Highway Access Permit Application Abstract This is an...

  18. Application for State Highway Approach | Open Energy Information

    Open Energy Info (EERE)

    to: navigation, search OpenEI Reference LibraryAdd to library Form: Application for State Highway Approach Abstract This page links to the ODOT Application for State Highway...

  19. Colorado - State Highway Access Code | Open Energy Information

    Open Energy Info (EERE)

    - State Highway Access Code Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- RegulationRegulation: Colorado - State Highway Access CodeLegal...

  20. Application & Checklist for Highway Right of Way Lease | Open...

    Open Energy Info (EERE)

    & Checklist for Highway Right of Way Lease Jump to: navigation, search OpenEI Reference LibraryAdd to library Reference: Application & Checklist for Highway Right of Way Lease...

  1. Modeling highway travel time distribution with conditional probability models

    SciTech Connect (OSTI)

    Oliveira Neto, Francisco Moraes; Chin, Shih-Miao; Hwang, Ho-Ling; Han, Lee

    2014-01-01

    ABSTRACT Under the sponsorship of the Federal Highway Administration's Office of Freight Management and Operations, the American Transportation Research Institute (ATRI) has developed performance measures through the Freight Performance Measures (FPM) initiative. Under this program, travel speed information is derived from data collected using wireless based global positioning systems. These telemetric data systems are subscribed and used by trucking industry as an operations management tool. More than one telemetric operator submits their data dumps to ATRI on a regular basis. Each data transmission contains truck location, its travel time, and a clock time/date stamp. Data from the FPM program provides a unique opportunity for studying the upstream-downstream speed distributions at different locations, as well as different time of the day and day of the week. This research is focused on the stochastic nature of successive link travel speed data on the continental United States Interstates network. Specifically, a method to estimate route probability distributions of travel time is proposed. This method uses the concepts of convolution of probability distributions and bivariate, link-to-link, conditional probability to estimate the expected distributions for the route travel time. Major contribution of this study is the consideration of speed correlation between upstream and downstream contiguous Interstate segments through conditional probability. The established conditional probability distributions, between successive segments, can be used to provide travel time reliability measures. This study also suggests an adaptive method for calculating and updating route travel time distribution as new data or information is added. This methodology can be useful to estimate performance measures as required by the recent Moving Ahead for Progress in the 21st Century Act (MAP 21).

  2. California Hydrogen Highway Network October 3, 2007

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

    Hydrogen Highway Network April 3, 2008 California Air Resources Board California Blueprint Plan * Phased approach to infrastructure implementation * Environmental goals * Shared risk CaH2Net Background * Governor's Executive Order, S-7-04 formed the CaH2Net in April 2004 * A Blueprint Plan, May 2005 * Legislative Authority - SB76, $6.5 Million, stations, vehicles, support - Budget Act 2006, $6.5 Million, ZBuses, stations - Budget Act 2007, $6 Million, stations, support The State's Contribution *

  3. Hawaii Clean Energy Iniative - Construction Upon a State Highway...

    Open Energy Info (EERE)

    LibraryAdd to library PermittingRegulatory Guidance - Instructions: Hawaii Clean Energy Iniative - Construction Upon a State Highway Permit PacketPermittingRegulatory...

  4. Vermont Agency of Transportation Highway Permit Application Informatio...

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance - GuideHandbook: Vermont Agency of Transportation Highway Permit Application InformationPermitting...

  5. Public Private Partnership in National Highways: Indian Perspective...

    Open Energy Info (EERE)

    duties on construction equipment. References Retrieved from "http:en.openei.orgwindex.php?titlePublicPrivatePartnershipinNationalHighways:IndianPerspective&oldid77...

  6. Off-Highway Transportation-Related Fuel Use

    SciTech Connect (OSTI)

    Davis, S.C.

    2004-05-08

    The transportation sector includes many subcategories--for example, on-highway, off-highway, and non-highway. Use of fuel for off-highway purposes is not well documented, nor is the number of off-highway vehicles. The number of and fuel usage for on-highway and aviation, marine, and rail categories are much better documented than for off-highway land-based use. Several sources document off-highway fuel use under specific conditions--such as use by application (e.g., recreation) or by fuel type (e.g., gasoline). There is, however, no single source that documents the total fuel used off-highway and the number of vehicles that use the fuel. This report estimates the fuel usage and number of vehicles/equipment for the off-highway category. No new data have been collected nor new models developed to estimate the off-highway data--this study is limited in scope to using data that already exist. In this report, unless they are being quoted from a source that uses different terminology, the terms are used as listed below. (1) ''On-highway/on-road'' includes land-based transport used on the highway system or other paved roadways. (2) ''Off-highway/off-road'' includes land-based transport not using the highway system or other paved roadways. (3) ''Non-highway/non-road'' includes other modes not traveling on highways such as aviation, marine, and rail. It should be noted that the term ''transportation'' as used in this study is not typical. Generally, ''transportation'' is understood to mean the movement of people or goods from one point to another. Some of the off-highway equipment included in this study doesn't transport either people or goods, but it has utility in movement (e.g., a forklift or a lawn mower). Along these lines, a chain saw also has utility in movement, but it cannot transport itself (i.e., it must be carried) because it does not have wheels. Therefore, to estimate the transportation-related fuel used off-highway, transportation equipment is defined to

  7. Ground potential rise monitor

    DOE Patents [OSTI]

    Allen, Zachery W.; Zevenbergen, Gary A.

    2012-04-03

    A device and method for detecting ground potential rise (GPR) comprising positioning a first electrode and a second electrode at a distance from each other into the earth. The voltage of the first electrode and second electrode is attenuated by an attenuation factor creating an attenuated voltage. The true RMS voltage of the attenuated voltage is determined creating an attenuated true RMS voltage. The attenuated true RMS voltage is then multiplied by the attenuation factor creating a calculated true RMS voltage. If the calculated true RMS voltage is greater than a first predetermined voltage threshold, a first alarm is enabled at a local location. If user input is received at a remote location acknowledging the first alarm, a first alarm acknowledgment signal is transmitted. The first alarm acknowledgment signal is then received at which time the first alarm is disabled.

  8. Ground potential rise monitor

    DOE Patents [OSTI]

    Allen, Zachery Warren; Zevenbergen, Gary Allen

    2012-07-17

    A device and method for detecting ground potential rise (GPR) comprising a first electrode, a second electrode, and a voltage attenuator. The first electrode and the second electrode are both electrically connected to the voltage attenuator. A means for determining the presence of a dangerous ground potential is connected to the voltage attenuator. The device and method further comprises a means for enabling one or more alarms upon the detection of the dangerous ground potential. Preferably, a first transmitter/receiver is connected to the means for enabling one or more alarms. Preferably, a second transmitter/receiver, comprising a button, is electromagnetically connected to the first transmitter/receiver. Preferably, the means for determining the presence of a dangerous ground potential comprises a means for determining the true RMS voltage at the output of the voltage attenuator, a transient detector connected to the output of the voltage attenuator, or a combination thereof.

  9. Colorado - C.R.S. 43-2-101 et seq., State, County and City Highway...

    Open Energy Info (EERE)

    Colorado Department of Transportation to regulate design, construction, improvement, maintenance and general management of the State highway system and highway right-of-ways....

  10. Texas - 43-TAC-21 - Leasing of Highway Assets | Open Energy Informatio...

    Open Energy Info (EERE)

    Texas - 43-TAC-21 - Leasing of Highway AssetsLegal Abstract This section sets forth the requirements and procedures for the leasing of highway assets by the Texas...

  11. Fact #634: August 2, 2010 Off-highway Transportation-related...

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

    2010 Off-highway Transportation-related Fuel Consumption Fact 634: August 2, 2010 Off-highway Transportation-related Fuel Consumption The Environmental Protection Agency's ...

  12. RESULTS OF RADIOLOGICAL MEASUREMENTS TAKEN NEAR JUNCTION OF HIGHWAY...

    Office of Legacy Management (LM)

    RESULTS OF RADIOLOGICAL MEASUREMENTS TAKEN NEAR JUNCTION OF HIGHWAY 3I AND MILITARY ROAD ... RESULTS OF RADIOLOGTCAL ITEASUREMENfi| TAKEN NEAR JUNCTToN 9F HIGESAY 31 AT.ID MILITARY ...

  13. High carbon fly ash finds uses in highway construction

    SciTech Connect (OSTI)

    Wen, H.; Patton, R.

    2008-07-01

    The beneficial use of high carbon fly ash in a highway construction project is discussed. The fly ash also had a relatively high content of mercury and some other heavy metals. 1 fig., 4 photos.

  14. GE, Clean Energy Fuels Partner to Expand Natural Gas Highway...

    Open Energy Info (EERE)

    GE, Clean Energy Fuels Partner to Expand Natural Gas Highway Home > Groups > Clean and Renewable Energy Jessi3bl's picture Submitted by Jessi3bl(15) Member 16 December, 2012 -...

  15. Vermont Permit and License Information, Work in a State Highway...

    Open Energy Info (EERE)

    Information, Work in a State Highway Right of Way Jump to: navigation, search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance - GuideHandbook: Vermont Permit...

  16. Waiver of Preferential Right to Lease Highway Right of Way |...

    Open Energy Info (EERE)

    Waiver of Preferential Right to Lease Highway Right of Way Jump to: navigation, search OpenEI Reference LibraryAdd to library Reference: Waiver of Preferential Right to Lease...

  17. Idaho - Access Management: Standards and Procedures for Highway...

    Open Energy Info (EERE)

    Access Management: Standards and Procedures for Highway Right-of-Way Encroachments Jump to: navigation, search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance...

  18. ADOT Policy for Accommodating Utilities on Highway Rights-Of...

    Open Energy Info (EERE)

    Policy for Accommodating Utilities on Highway Rights-Of-Way Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- OtherOther: ADOT Policy for...

  19. Vermont Agency of Transportation Work Within Highway Rights-of...

    Open Energy Info (EERE)

    GuidancePermittingRegulatory GuidanceGuideHandbook Abstract Guidance on the 19 V.S.A. 1111 Highway Right-of-Way Permit Application (Form TA 210). Author Vermont...

  20. Title 19 Chapter 1 State Highway Law | Open Energy Information

    Open Energy Info (EERE)

    1 State Highway LawLegal Published NA Year Signed or Took Effect 1985 Legal Citation 19 V.S.A. 1-43 DOI Not Provided Check for DOI availability: http:crossref.org Online...

  1. Title 19 Chapter 3 Town Highways | Open Energy Information

    Open Energy Info (EERE)

    3 Town HighwaysLegal Published NA Year Signed or Took Effect 1985 Legal Citation 19 V.S.A. 301-318 DOI Not Provided Check for DOI availability: http:crossref.org Online...

  2. California Hydrogen Highway Network October 3, 2007 | Department of Energy

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

    Hydrogen Highway Network October 3, 2007 California Hydrogen Highway Network October 3, 2007 Presented at Refueling Infrastructure for Alternative Fuel Vehicles: Lessons Learned for Hydrogen Conference, April 2-3, 2008, Sacramento, California bevan_carb_h2hwynet.pdf (451.31 KB) More Documents & Publications California Regulations on Renewble Hydrogen and Low Carbon Technologies Panel Session III: Innovation and Coordination Asia/ITS

  3. Off-Highway Heavy Vehicle Diesel Efficiency Improvement and Emissions

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

    Reduction | Department of Energy Off-Highway Heavy Vehicle Diesel Efficiency Improvement and Emissions Reduction Off-Highway Heavy Vehicle Diesel Efficiency Improvement and Emissions Reduction 2005 Diesel Engine Emissions Reduction (DEER) Conference Presentations and Posters 2005_deer_rumsey.pdf (511.3 KB) More Documents & Publications High Engine Efficiency at 2010 Emissions Integrated Engine and Aftertreatment Technology Roadmap for EPA 2010 Heavy-duty Emissions Regulations

  4. Fact #634: August 2, 2010 Off-highway Transportation-related Fuel

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

    Consumption | Department of Energy 4: August 2, 2010 Off-highway Transportation-related Fuel Consumption Fact #634: August 2, 2010 Off-highway Transportation-related Fuel Consumption The Environmental Protection Agency's NONROAD2008a model estimates fuel use for off-highway equipment. Construction and mining equipment using diesel fuel account for the majority of this fuel use. Nearly all of the alternative fuel used in off-highway equipment is consumed by forklifts. Off-highway

  5. Off-Highway Gasoline Consuption Estimation Models Used in the Federal Highway Administration Attribution Process: 2008 Updates

    SciTech Connect (OSTI)

    Hwang, Ho-Ling; Davis, Stacy Cagle

    2009-12-01

    This report is designed to document the analysis process and estimation models currently used by the Federal Highway Administration (FHWA) to estimate the off-highway gasoline consumption and public sector fuel consumption. An overview of the entire FHWA attribution process is provided along with specifics related to the latest update (2008) on the Off-Highway Gasoline Use Model and the Public Use of Gasoline Model. The Off-Highway Gasoline Use Model is made up of five individual modules, one for each of the off-highway categories: agricultural, industrial and commercial, construction, aviation, and marine. This 2008 update of the off-highway models was the second major update (the first model update was conducted during 2002-2003) after they were originally developed in mid-1990. The agricultural model methodology, specifically, underwent a significant revision because of changes in data availability since 2003. Some revision to the model was necessary due to removal of certain data elements used in the original estimation method. The revised agricultural model also made use of some newly available information, published by the data source agency in recent years. The other model methodologies were not drastically changed, though many data elements were updated to improve the accuracy of these models. Note that components in the Public Use of Gasoline Model were not updated in 2008. A major challenge in updating estimation methods applied by the public-use model is that they would have to rely on significant new data collection efforts. In addition, due to resource limitation, several components of the models (both off-highway and public-us models) that utilized regression modeling approaches were not recalibrated under the 2008 study. An investigation of the Environmental Protection Agency's NONROAD2005 model was also carried out under the 2008 model update. Results generated from the NONROAD2005 model were analyzed, examined, and compared, to the extent that is

  6. Rise time measurement for ultrafast X-ray pulses

    DOE Patents [OSTI]

    Celliers, Peter M.; Weber, Franz A.; Moon, Stephen J.

    2005-04-05

    A pump-probe scheme measures the rise time of ultrafast x-ray pulses. Conventional high speed x-ray diagnostics (x-ray streak cameras, PIN diodes, diamond PCD devices) do not provide sufficient time resolution to resolve rise times of x-ray pulses on the order of 50 fs or less as they are being produced by modern fast x-ray sources. Here, we are describing a pump-probe technique that can be employed to measure events where detector resolution is insufficient to resolve the event. The scheme utilizes a diamond plate as an x-ray transducer and a p-polarized probe beam.

  7. Rise Time Measurement for Ultrafast X-Ray Pulses

    DOE Patents [OSTI]

    Celliers, Peter M.; Weber, Franz A.; Moon, Stephen J.

    2005-04-05

    A pump-probe scheme measures the rise time of ultrafast x-ray pulses. Conventional high speed x-ray diagnostics (x-ray streak cameras, PIN diodes, diamond PCD devices) do not provide sufficient time resolution to resolve rise times of x-ray pulses on the order of 50 fs or less as they are being produced by modern fast x-ray sources. Here, we are describing a pump-probe technique that can be employed to measure events where detector resolution is insufficient to resolve the event. The scheme utilizes a diamond plate as an x-ray transducer and a p-polarized probe beam.

  8. AAC R17-3-500 Highway Encroachments and Permits | Open Energy...

    Open Energy Info (EERE)

    3-500 Highway Encroachments and Permits Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- RegulationRegulation: AAC R17-3-500 Highway Encroachments...

  9. File:03HIEConstructionUponAStateHighwayROW.pdf | Open Energy...

    Open Energy Info (EERE)

    HIEConstructionUponAStateHighwayROW.pdf Jump to: navigation, search File File history File usage Metadata File:03HIEConstructionUponAStateHighwayROW.pdf Size of this preview: 463...

  10. File:03TXiHighwayRightofWayLease.pdf | Open Energy Information

    Open Energy Info (EERE)

    TXiHighwayRightofWayLease.pdf Jump to: navigation, search File File history File usage Metadata File:03TXiHighwayRightofWayLease.pdf Size of this preview: 463 599 pixels. Other...

  11. Texas GLO Highway Right of Way Leasing Forms | Open Energy Information

    Open Energy Info (EERE)

    Highway Right of Way Leasing Forms Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- OtherOther: Texas GLO Highway Right of Way Leasing FormsLegal...

  12. Alternative energy sources for non-highway transportation. Appendices

    SciTech Connect (OSTI)

    Not Available

    1980-06-01

    A planning study was made for DOE on alternate fuels for non-highway transportation (aircraft, rail, marine, and pipeline). The study provides DOE with a recommendation of what alternate fuels may be of interest to non-highway transportation users from now through 2025 and recommends R and D needed to allow non-petroleum derived fuels to be used in non-highway transportation. Volume III contains all of the references for the data used in the preliminary screening and is presented in 4 subvolumes. Volume IIIA covers the background information on the various prime movers used in the non-highway transportation area, the physical property data, the fuel-prime mover interaction and a review of some alternate energy forms. Volume IIIB covers the economics of producing, tranporting, and distributing the various fuels. Volume IIIC is concerned with the environment issues in production and use of the fuels, the energy efficiency in use and production, the fuel logistics considerations, and the overall ratings and selection of the fuels and prime movers for the detailed evaluation. Volume IIID covers the demand-related issues.

  13. Bottlenecks aggravate rising construction costs

    SciTech Connect (OSTI)

    NONE

    2008-05-15

    Rising demand for power in developing countries combined with concerns about carbon emissions from coal-fired power plants in developed countries have created a bonanza for carbon-light technologies, including nuclear, renewables and natural gas plants. This, in turn, has put upward pressure on the price of natural gas in key markets while resulting in shortages in critical components for building renewables and nuclear reactors. Globalization of the power industry means that pressures in one segment or one region translate into shortages and rising prices everywhere else.

  14. Fact #698: October 24, 2011 Changes in the Federal Highway Administration

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

    Vehicle Travel Data | Department of Energy 8: October 24, 2011 Changes in the Federal Highway Administration Vehicle Travel Data Fact #698: October 24, 2011 Changes in the Federal Highway Administration Vehicle Travel Data With the April release of Table VM-1 from Highway Statistics 2009 came several changes to the availability of data on vehicle miles of travel (VMT). From 1966 to 2008, the Federal Highway Administration (FHWA) published the VMT, fuel use, and average fuel economy of

  15. Checklist for transition to new highway fuel(s).

    SciTech Connect (OSTI)

    Risch, C.; Santini, D.J.

    2011-12-15

    Transportation is vital to the U.S. economy and society. As such, U.S. Presidents have repeatedly stated that the nation needs to reduce dependence on petroleum, especially for the highway transportation sector. Throughout history, highway transportation fuel transitions have been completed successfully both in United States and abroad. Other attempts have failed, as described in Appendix A: Historical Highway Fuel Transitions. Planning for a transition is critical because the changes can affect our nation's ability to compete in the world market. A transition will take many years to complete. While it is tempting to make quick decisions about the new fuel(s) of choice, it is preferable and necessary to analyze all the pertinent criteria to ensure that correct decisions are made. Doing so will reduce the number of changes in highway fuel(s). Obviously, changes may become necessary because of occurrences such as significant technology breakthroughs or major world events. With any and all of the possible transitions to new fuel(s), the total replacement of gasoline and diesel fuels is not expected. These conventional fuels are envisioned to coexist with the new fuel(s) for decades, while the revised fuel and vehicle infrastructures are implemented. The transition process must analyze the needs of the primary 'players,' which consist of the customers, the government, the fuel industry, and the automotive industry. To maximize the probability of future successes, the prime considerations of these groups must be addressed. Section 2 presents a succinct outline of the Checklist. Section 3 provides a brief discussion about the groupings on the Checklist.

  16. Vehicle speed control device

    SciTech Connect (OSTI)

    Thornton-Trump, W.E.

    1987-03-10

    An apparatus is described for automatically limiting the speed of a vehicle powered by an internal combustion engine having a spark ignition system with an ignition coil, comprising: sensor means for generating a speed signal directly representative of the speed of the vehicle comprising a series of speed signal pulses having a pulse repetition frequency proportional to the speed of the vehicle; control means for converting speed signal pulses into a DC voltage proportional to the vehicle speed; means for comparing the DC voltage to a predetermined DC voltage having substantially zero AC components representative of a predetermined maximum speed and for generating a difference signal in response thereto; and means for generating a pulse-width modulated control signal responsive to the difference signal; power means responsive to the control signal for intermittently interrupting the ignition system.

  17. EarthRise Capital | Open Energy Information

    Open Energy Info (EERE)

    EarthRise Capital Jump to: navigation, search Name: EarthRise Capital Place: New York, New York Zip: NY 10111 Sector: Efficiency Product: Venture capital fund focused on new...

  18. Low-rise Residential New Construction Program

    Broader source: Energy.gov [DOE]

     NYSERDA’s Low-rise Residential New Construction Programs are designed to encourage more industry involvement in the building of single-family homes and low-rise residential units that are more...

  19. Development and Demonstration of a Fuel-Efficient Class 8 Highway...

    Energy Savers [EERE]

    Development and Demonstration of a Fuel-Efficient Class 8 Highway Vehicle 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer ...

  20. O.A.R. 734-051 - Highway Approaches, Access Control, Spacing...

    Open Energy Info (EERE)

    1 - Highway Approaches, Access Control, Spacing Standards and Medians Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- RegulationRegulation:...

  1. Development and Demonstration of a Fuel-Efficient Class 8 Highway...

    Energy Savers [EERE]

    More Documents & Publications Vehicle Technologies Office Merit Review 2015: Volvo SuperTruck Development and Demonstration of a Fuel-Efficient Class 8 Highway Vehicle Vehicle ...

  2. MOBILE4. 1: Highway-vehicle mobile-source emission-factor model (Apple MacIntosh version) (for microcomputers). Model-Simulation

    SciTech Connect (OSTI)

    Not Available

    1991-08-01

    MOBILE4.1 is the latest revision to EPA's highway vehicle mobile source emission factor model. Relative to MOBILE4, it contains numerous revisions and provides the user with additional options for modeling highway vehicle emission factors. it will calculate emission factors for hydrocarbons (HC), carbon monoxide, (CO), and oxides of nitrogen (NOx) from highway motor vehicles. It calculates emission factors for eight individual vehicle types, in two regions of the country (low and high altitude). The emission factors depend on various conditions such as ambient temperature, fuel volatility, speed, and mileage accrual rates. It will estimate emission factors for any calendar year between 1960 and 2020 inclusive. The 25 most recent model years are considered in operation in each calendar year. EPA is requiring that states and others preparing emission inventories for nonattainment areas for CO and ozone to use MOBILE4.1 in the development of the base year 1990 emission inventories required under the Clean Air Act of 1990.

  3. Development of adjustment factors for the EPA city and highway MPG values

    SciTech Connect (OSTI)

    Hellman, K.H.; Murrell, J.D.

    1984-01-01

    This paper describes the development of adjustment factors applicable to the EPA City and Highway MPG values. The paper discusses the data bases used, and the analytical methods employed to arrive at adjustment factors of 0.90 for the EPA City MPG value and 0.78 for the EPA Highway MPG value.

  4. High-Speed Photography

    SciTech Connect (OSTI)

    Paisley, D.L.; Schelev, M.Y.

    1998-08-01

    The applications of high-speed photography to a diverse set of subjects including inertial confinement fusion, laser surgical procedures, communications, automotive airbags, lightning etc. are briefly discussed. (AIP) {copyright} {ital 1998 Society of Photo-Optical Instrumentation Engineers.}

  5. Full Hybrid: Low Speed

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

    highlighted Cruising button Passing button Braking button Stopped button LOW SPEED For initial acceleration and slow-speed driving, as well as reverse, the electric motor uses electricity from the battery to power the vehicle. If the battery needs to be recharged, the generator starts the engine and converts energy from the engine into electricity, which is stored in the battery. stage graphic: vertical blue rule Main stage: See through car with battery, engine, generator, power split device,

  6. High-speed

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

    speed three-wave polarimeter-interferometer diagnostic for Madison symmetric torus B. H. Deng, D. L. Brower, and W. X. Ding Electrical Engineering Department, University of California, Los Angeles, California 90095 M. D. Wyman, B. E. Chapman, and J. S. Sarff Department of Physics, University of Wisconsin, Madison, Wisconsin 53706 ͑Received 5 May 2006; presented on 10 May 2006; accepted 11 June 2006; published online 27 September 2006͒ A high-speed three-wave polarimeter-interferometer

  7. Commerce RISE Program Design | Department of Energy

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

    Commerce RISE Program Design Commerce RISE Program Design Community Power Works program design, a document posted on the U.S. Department of Energy's Better Buildings Neighborhood Program website. Commerce RISE Program Design (201.71 KB) More Documents & Publications Quality Control, Standardization of Upgrades, and Workforce Expectations Keys to Successful Quality Assurance and Quality Control Programs (101) Spotlight on Seattle, Washington: Community Partnerships Work to Extend Program

  8. The Federal Highway Administration Gasohol Consumption Estimation Model

    SciTech Connect (OSTI)

    Hwang, HL

    2003-08-28

    The Federal Highway Administration (FHWA) is responsible for estimating the portion of Federal highway funds attributable to each State. The process involves use of State-reported data (gallons) and a set of estimation models when accurate State data is unavailable. To ensure that the distribution of funds is equitable, FHWA periodically reviews the estimation models. Estimation of the use of gasohol is difficult because of State differences in the definition of gasohol, inability of many States to separate and report gasohol usage from other fuel types, changes in fuel composition in nonattainment areas to address concerns over the use of certain fuel additives, and the lack of a valid State-level surrogate data set for gasohol use. Under the sponsorship of FHWA, Oak Ridge National Laboratory (ORNL) reviewed the regression-based gasohol estimation model that has been in use for several years. Based on an analytical assessment of that model and an extensive review of potential data sets, ORNL developed an improved rule-based model. The new model uses data from Internal Revenue Service, Energy Information Administration, Environmental Protection Agency, Department of Energy, ORNL, and FHWA sources. The model basically consists of three parts: (1) development of a controlled total of national gasohol usage, (2) determination of reliable State gasohol consumption data, and (3) estimation of gasohol usage for all other States. The new model will be employed for the 2004 attribution process. FHWA is currently soliciting comments and inputs from interested parties. Relevant data, as identified, will be pursued and refinements will be made by the research team if warranted.

  9. Geotechnical performance of a highway embankment constructed using waste foundry sand. Final report

    SciTech Connect (OSTI)

    Fox, P.J.; Mast, D.G.

    1998-11-23

    The purpose of this study was to evaluate the use of waste foundry sand (WFS) as a highway embankment material in a full-scale field demonstration project. This evaluation included geotechnical concerns, such as deformation, strength, hydraulic conductivity, and ease of construction. The report presents an introduction and previous research concerning WFS use in highway construction. A geotechnical laboratory testing program characterized the WFS used in the project, which was a waste product of Auburn Foundry, Inc., located in Auburn, Indiana. The project site was a 275 m section of the Country Route 206 highway project near Butler, Indiana.

  10. Amplitude- and rise-time-compensated filters

    DOE Patents [OSTI]

    Nowlin, Charles H.

    1984-01-01

    An amplitude-compensated rise-time-compensated filter for a pulse time-of-occurrence (TOOC) measurement system is disclosed. The filter converts an input pulse, having the characteristics of random amplitudes and random, non-zero rise times, to a bipolar output pulse wherein the output pulse has a zero-crossing time that is independent of the rise time and amplitude of the input pulse. The filter differentiates the input pulse, along the linear leading edge of the input pulse, and subtracts therefrom a pulse fractionally proportional to the input pulse. The filter of the present invention can use discrete circuit components and avoids the use of delay lines.

  11. High speed door assembly

    DOE Patents [OSTI]

    Shapiro, C.

    1993-04-27

    A high speed door assembly is described, comprising an actuator cylinder and piston rods, a pressure supply cylinder and fittings, an electrically detonated explosive bolt, a honeycomb structured door, a honeycomb structured decelerator, and a structural steel frame encasing the assembly to close over a 3 foot diameter opening within 50 milliseconds of actuation, to contain hazardous materials and vapors within a test fixture.

  12. High speed door assembly

    DOE Patents [OSTI]

    Shapiro, Carolyn

    1993-01-01

    A high speed door assembly, comprising an actuator cylinder and piston rods, a pressure supply cylinder and fittings, an electrically detonated explosive bolt, a honeycomb structured door, a honeycomb structured decelerator, and a structural steel frame encasing the assembly to close over a 3 foot diameter opening within 50 milliseconds of actuation, to contain hazardous materials and vapors within a test fixture.

  13. Code of Colorado Regulations 2 CCR 601-1, State Highway Access...

    Open Energy Info (EERE)

    Code of Colorado Regulations 2 CCR 601-1, State Highway Access Code Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- RegulationRegulation: Code of...

  14. Design procedure for pollutant loadings and impacts for highway stormwater runoff (IBM version) (for microcomputers). Software

    SciTech Connect (OSTI)

    Not Available

    1990-01-01

    The interactive computer program was developed to make a user friendly procedure for the personal computer for calculations and guidance to make estimations of pollutant loadings and impacts from highway stormwater runoff which are presented in the Publication FHWA-RD-88-006, Pollutant Loadings and Impacts from Highway Stormwater Runoff, Volume I: Design Procedure. The computer program is for the evaluation of the water quality impact from highway stormwater runoff to a lake or a stream from a specific highway site considering the necessary rainfall data and geographic site situation. The evaluation considers whether or not the resulting water quality conditions can cause a problem as indicated by the violations of water quality criteria or objectives.

  15. Design procedure for pollutant loadings and impacts for highway stormwater runoff (Macintosh version) (for microcomputers). Software

    SciTech Connect (OSTI)

    Not Available

    1990-01-01

    The interactive computer program was developed to make a user friendly procedure for the personal computer for calculations and guidance to make estimations of pollutant loadings and impacts from highway stormwater runoff which are presented in the Publication FHWA-RD-88-006, Pollutant Loadings and Impacts from Highway Stormwater Runoff, Volume I: Design Procedure. The computer program is for the evaluation of the water quality impact from highway stormwater runoff to a lake or a stream from a specific highway site considering the necessary rainfall data and geographic site situation. The evaluation considers whether or not the resulting water quality conditions can cause a problem as indicated by the violations of water quality criteria or objectives.

  16. Nevada Strengthens Electric Vehicle Infrastructure on Major U.S. Highway

    Broader source: Energy.gov [DOE]

    In June, theNevada Governors Office of Energyand the local utility NV Energy announced theNevada Electric Highway joint initiative, an effort to facilitate electric vehicle (EV) transportation...

  17. 23 V.S.A. Section 1392 Gross Weight Limits on Highways | Open...

    Open Energy Info (EERE)

    Section 1392 Gross Weight Limits on HighwaysLegal Abstract Statute establishes the motor vehicle weight, load size, not to exceed 80,000 pounds without a permit. Published NA...

  18. Colorado - C.R.S. 43-2-106 et seq., Abandoned State Highways...

    Open Energy Info (EERE)

    Apps Datasets Community Login | Sign Up Search Page Edit with form History Colorado - C.R.S. 43-2-106 et seq., Abandoned State Highways Jump to: navigation, search OpenEI...

  19. Colorado - C.R.S. 43-2-147, Access to Public Highways | Open...

    Open Energy Info (EERE)

    Colorado - C.R.S. 43-2-147, Access to Public Highways Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: Colorado - C.R.S. 43-2-147,...

  20. 23 V.S.A. Section 1432 Length of Vehicles; Authorized Highways...

    Open Energy Info (EERE)

    23 V.S.A. Section 1432 Length of Vehicles; Authorized Highways Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: 23 V.S.A. Section...

  1. 19 V.S.A. 1111 Highway Right-of-Way Permit Application (Form...

    Open Energy Info (EERE)

    V.S.A. 1111 Highway Right-of-Way Permit Application (Form TA 210) Example Jump to: navigation, search OpenEI Reference LibraryAdd to library PermittingRegulatory Guidance -...

  2. Development and Demonstration of a Fuel-Efficient Class 8 Highway...

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

    SuperTruck Development and Demonstration of a Fuel-Efficient Class 8 Highway Vehicle Vehicle Systems DOE Contract: DE-EE0004232 P.I.: Pascal Amar, Volvo Technology of America 2012 ...

  3. Exhaust Aftertreatment and Low Pressure Loop EGR Applied to an Off-Highway

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

    Engine | Department of Energy Aftertreatment and Low Pressure Loop EGR Applied to an Off-Highway Engine Exhaust Aftertreatment and Low Pressure Loop EGR Applied to an Off-Highway Engine 2005 Diesel Engine Emissions Reduction (DEER) Conference Presentations and Posters 2005_deer_baumgard.pdf (277.94 KB) More Documents & Publications Full Useful Life (120,000 miles) Exhaust Emission Performance of a NOx Adsorber and Diesel Particle Filter Equipped Passenger Car and Medium-Duty Engine in

  4. Two-speed transaxle

    DOE Patents [OSTI]

    Kalns, Ilmars

    1981-01-01

    Disclosed is a drive assembly (10) for an electrically powered vehicle (12). The assembly includes a transaxle (16) having a two-speed transmission (40) and a drive axle differential (46) disposed in a unitary housing assembly (38), an oil-cooled prime mover or electric motor (14) for driving the transmission input shaft (42), an adapter assembly (24) for supporting the prime mover on the transaxle housing assembly, and a hydraulic system (172) providing pressurized oil flow for cooling and lubricating the electric motor and transaxle and for operating a clutch (84) and a brake (86) in the transmission to shift between the two-speed ratios of the transmission. The adapter assembly allows the prime mover to be supported in several positions on the transaxle housing. The brake is spring-applied and locks the transmission in its low-speed ratio should the hydraulic system fail. The hydraulic system pump is driven by an electric motor (212) independent of the prime mover and transaxle.

  5. Highway vehicle MPG and market shares report: Model year 1990

    SciTech Connect (OSTI)

    Williams, L.S. ); Hu, P.S. )

    1991-04-01

    This issue of Highway Vehicle MPG and Market Shares Report: Model Year 1990 reports the estimated sales-weighted fuel economies, sales, market shares, and other vehicle characteristics of new automobiles and light trucks. The estimates are made on a make and model basis (e.g., Chevrolet is a make and Corsica is a model), from model year 1976 to model year 1990. Vehicle sales data are used as weighting factors in the sales-weighted estimation procedure. Thus, the estimates represent averages of the overall new vehicle fleet, reflecting the composition of the fleet. Highlights are provided on the trends in the vehicle characteristics from one model year to the next. Analyses are also made on fuel economy changes to determine what caused the changes. The new automobile fleet experienced a fuel economy loss of 0.4 mpg from the previous model year, dropping to 27.6 mpg. This is the second consecutive decline in the fuel economy of new automobiles since model year 1983. The main reason for the fuel economy decline in automobiles was that the compact, midsize, and large size classes, which together claimed more than 75% of the new automobile market, each experienced fuel economy declines of 0.4 mpg or more. In contrast, the new light truck fleet showed an increase of 0.3 mpg from the previous year to a current mpg of 20.5. The fuel economy increase in light trucks was primarily due to the fact that the large pickup class, which represents 35.0% of the new 1990 light truck market experienced a gain of 0.7 mpg in its fuel economy. Overall, the sales-weighted fuel economy of the new light-duty vehicle fleet (automobiles and light trucks) dropped to 24.8 mpg in model year 1990, a reduction of 0.2 mpg from model year 1989. 9 refs., 29 figs., 55 tabs.

  6. High speed flywheel

    DOE Patents [OSTI]

    McGrath, Stephen V.

    1991-01-01

    A flywheel for operation at high speeds utilizes two or more ringlike coments arranged in a spaced concentric relationship for rotation about an axis and an expansion device interposed between the components for accommodating radial growth of the components resulting from flywheel operation. The expansion device engages both of the ringlike components, and the structure of the expansion device ensures that it maintains its engagement with the components. In addition to its expansion-accommodating capacity, the expansion device also maintains flywheel stiffness during flywheel operation.

  7. Short rise time intense electron beam generator

    DOE Patents [OSTI]

    Olson, Craig L.

    1987-01-01

    A generator for producing an intense relativistic electron beam having a subnanosecond current rise time includes a conventional generator of intense relativistic electrons feeding into a short electrically conductive drift tube including a cavity containing a working gas at a low enough pressure to prevent the input beam from significantly ionizing the working gas. Ionizing means such as a laser simultaneously ionize the entire volume of working gas in the cavity to generate an output beam having a rise time less than one nanosecond.

  8. Short rise time intense electron beam generator

    DOE Patents [OSTI]

    Olson, C.L.

    1984-03-16

    A generator for producing an intense relativisitc electron beam having a subnanosecond current rise time includes a conventional generator of intense relativistic electrons feeding into a short electrically conductive drift tube including a cavity containing a working gas at a low enough pressure to prevent the input beam from significantly ionizing the working gas. Ionizing means such as a laser simultaneously ionize the entire volume of working gas in the cavity to generate an output beam having a rise time less than one nanosecond.

  9. Natural gas production on the rise

    U.S. Energy Information Administration (EIA) Indexed Site

    Natural gas production on the rise After a brief slowdown in early 2016, U.S. natural gas production is expected to increase during the second half of this year and continue rising through 2017. In its new monthly forecast, the U.S. Energy Information Administration said domestic natural gas output during the fourth quarter of this year is expected to top 80 billion cubic feet per day and then climb to a new record of 82 billion cubic feet per day by end of 2017. With record production and

  10. High speed transient sampler

    DOE Patents [OSTI]

    McEwan, Thomas E.

    1995-01-01

    A high speed sampler comprises a meandered sample transmission line for transmitting an input signal, a straight strobe transmission line for transmitting a strobe signal, and a plurality of sampling gates along the transmission lines. The sampling gates comprise a four terminal diode bridge having a first strobe resistor connected from a first terminal of the bridge to the positive strobe line, a second strobe resistor coupled from the third terminal of the bridge to the negative strobe line, a tap connected to the second terminal of the bridge and to the sample transmission line, and a sample holding capacitor connected to the fourth terminal of the bridge. The resistance of the first and second strobe resistors is much higher than the signal transmission line impedance in the preferred system. This results in a sampling gate which applies a very small load on the sample transmission line and on the strobe generator. The sample holding capacitor is implemented using a smaller capacitor and a larger capacitor isolated from the smaller capacitor by resistance. The high speed sampler of the present invention is also characterized by other optimizations, including transmission line tap compensation, stepped impedance strobe line, a multi-layer physical layout, and unique strobe generator design. A plurality of banks of such samplers are controlled for concatenated or interleaved sample intervals to achieve long sample lengths or short sample spacing.

  11. High speed transient sampler

    DOE Patents [OSTI]

    McEwan, T.E.

    1995-11-28

    A high speed sampler comprises a meandered sample transmission line for transmitting an input signal, a straight strobe transmission line for transmitting a strobe signal, and a plurality of sampling gates along the transmission lines. The sampling gates comprise a four terminal diode bridge having a first strobe resistor connected from a first terminal of the bridge to the positive strobe line, a second strobe resistor coupled from the third terminal of the bridge to the negative strobe line, a tap connected to the second terminal of the bridge and to the sample transmission line, and a sample holding capacitor connected to the fourth terminal of the bridge. The resistance of the first and second strobe resistors is much higher than the signal transmission line impedance in the preferred system. This results in a sampling gate which applies a very small load on the sample transmission line and on the strobe generator. The sample holding capacitor is implemented using a smaller capacitor and a larger capacitor isolated from the smaller capacitor by resistance. The high speed sampler of the present invention is also characterized by other optimizations, including transmission line tap compensation, stepped impedance strobe line, a multi-layer physical layout, and unique strobe generator design. A plurality of banks of such samplers are controlled for concatenated or interleaved sample intervals to achieve long sample lengths or short sample spacing. 17 figs.

  12. Gasoline prices continue to rise (Short version)

    U.S. Energy Information Administration (EIA) Indexed Site

    Gasoline prices continue to rise (short version) The U.S. average retail price for regular gasoline rose to $3.67 a gallon on Monday. That's up 7 cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration.

  13. HIGH SPEED CAMERA

    DOE Patents [OSTI]

    Rogers, B.T. Jr.; Davis, W.C.

    1957-12-17

    This patent relates to high speed cameras having resolution times of less than one-tenth microseconds suitable for filming distinct sequences of a very fast event such as an explosion. This camera consists of a rotating mirror with reflecting surfaces on both sides, a narrow mirror acting as a slit in a focal plane shutter, various other mirror and lens systems as well as an innage recording surface. The combination of the rotating mirrors and the slit mirror causes discrete, narrow, separate pictures to fall upon the film plane, thereby forming a moving image increment of the photographed event. Placing a reflecting surface on each side of the rotating mirror cancels the image velocity that one side of the rotating mirror would impart, so as a camera having this short a resolution time is thereby possible.

  14. Controlling Motion at the Nanoscale: Rise of the Molecular Machines...

    Office of Scientific and Technical Information (OSTI)

    Published Article: Controlling Motion at the Nanoscale: Rise of the Molecular Machines Title: Controlling Motion at the Nanoscale: Rise of the Molecular Machines Authors: ...

  15. Energy Management Strategies for Fast Battery Temperature Rise...

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

    Management Strategies for Fast Battery Temperature Rise and Engine Efficiency Improvement at Very Cold Conditions Energy Management Strategies for Fast Battery Temperature Rise and ...

  16. Development of Sea Level Rise Scenarios for Climate Change Assessments...

    Open Energy Info (EERE)

    Sea Level Rise Scenarios for Climate Change Assessments of the Mekong Delta, Vietnam Jump to: navigation, search Tool Summary LAUNCH TOOL Name: Development of Sea Level Rise...

  17. Qinhuangdao Rising Solar Energy Science and Technology Co Ltd...

    Open Energy Info (EERE)

    Rising Solar Energy Science and Technology Co Ltd Jump to: navigation, search Name: Qinhuangdao Rising Solar Energy Science and Technology Co., Ltd Place: Qinhuadao, Hebei...

  18. I-75 Project Brings Biofuels to one of the Nation's Longest Highways |

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

    Department of Energy I-75 Project Brings Biofuels to one of the Nation's Longest Highways I-75 Project Brings Biofuels to one of the Nation's Longest Highways June 30, 2014 - 4:30pm Addthis Drivers refuel at a station along the I-75 Clean Fuels Corridor in Lexington, Kentucky. | Photo by East Tennessee Clean Fuels Coalition Drivers refuel at a station along the I-75 Clean Fuels Corridor in Lexington, Kentucky. | Photo by East Tennessee Clean Fuels Coalition Reuben Sarkar Reuben Sarkar Deputy

  19. Development and Demonstration of a Fuel-Efficient Class 8 Highway Vehicle |

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

    Department of Energy Development and Demonstration of a Fuel-Efficient Class 8 Highway Vehicle Development and Demonstration of a Fuel-Efficient Class 8 Highway Vehicle 2012 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Program Annual Merit Review and Peer Evaluation Meeting vss081_amar_2012_o.pdf (1.16 MB) More Documents & Publications Vehicle Technologies Office Merit Review 2016: Volvo SuperTruck Vehicle Technologies Office Merit Review 2015: Volvo SuperTruck SuperTruck

  20. The U.S. average retail price for on-highway diesel fuel rose this week

    U.S. Energy Information Administration (EIA) Indexed Site

    The U.S. average retail price for on-highway diesel fuel rose this week The U.S. average retail price for on-highway diesel fuel rose slightly to $3.90 a gallon on Monday. That's up 8-tenths of a penny from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Diesel prices were highest in the New England region, at 4.16 a gallon, down a penny from a week ago. Prices were lowest in the Rocky Mountain States at $3.68 a gallon, down 1.7

  1. The U.S. average retail price for on-highway diesel fuel rose this week

    U.S. Energy Information Administration (EIA) Indexed Site

    The U.S. average retail price for on-highway diesel fuel rose this week The U.S. average retail price for on-highway diesel fuel rose to $3.93 a gallon on Monday. That's up 2 ½ cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Prices increased in all regions across the U.S. The highest prices were found in the New England region, at 4.18 a gallon, up 2.3 cents from a week ago. Prices were lowest in the Rocky Mountain States at $3.74 a gallon,

  2. Rugged calorimeter with a fast rise time

    SciTech Connect (OSTI)

    McMurtry, W.M.; Dolce, S.R.

    1980-01-01

    An intrinsic 1-mil-thick gold foil calorimeter has been developed which rises to 95% of the energy deposited in less than 2 microseconds. This calorimeter is very rugged, and can withstand rough handling without damage. The time constant is long, in the millisecond range, because of its unique construction. Use of this calorimeter has produced 100% data recovery, and agreement with true deposition to less than 10%.

  3. Dependance of TWRS FSAR X/Qs on distance and example doses at Highway 240 with stationary and moving receptors

    SciTech Connect (OSTI)

    Himes, D.A.

    1996-09-23

    A discussion of the reasons for the dependance of X/Q on receptor distance and compass sector is presented. In addition, X/Qs are calculated for three receptor scenarios on Highway 240 including a moving receptor. Example radiological doses and toxicological exposures at Highway 240 are calculated for two accidents already analyzed in the TWRS FSAR.

  4. Alternative energy sources for non-highway transportation: technical section

    SciTech Connect (OSTI)

    Not Available

    1980-06-01

    Eighteen different alternative fuels were considered in the preliminary screening, from three basic resource bases. Coal can be used to provide 13 of the fuels; oil shale was the source for three of the fuels; and biomass provided the resource base for two fuels not provided from coal. In the case of biomass, six different fuels were considered. Nuclear power and direct solar radiation were also considered. The eight prime movers that were considered in the preliminary screening are boiler/steam turbine; open and closed cycle gas turbines; low and medium speed diesels; spark ignited and stratified charge Otto cycles; electric motor; Stirling engine; free piston; and fuel cell/electric motor. Modes of transport considered are pipeline, marine, railroad, and aircraft. Section 2 gives the overall summary and conclusions, the future outlook for each mode of transportation, and the R and D suggestions by mode of transportation. Section 3 covers the preliminary screening phase and includes a summary of the data base used. Section 4 presents the methodology used to select the fuels and prime movers for the detailed study. Sections 5 through 8 cover the detailed evaluation of the pipeline, marine, railroad, and aircraft modes of transportation. Section 9 covers the demand related issues.

  5. Hybrid 320 Ton Off Highway Haul Truck: Quarterly Technical Status Report 9

    SciTech Connect (OSTI)

    Tim Richter

    2005-03-02

    This ninth quarterly status report for the Hybrid Off Highway Vehicle (OHV) project, DOE Award DEFC04- 2002AL68080 presents the project status at the end of December 2004, and covers activities in the ninth project quarter, October - December 2004.

  6. Hybrid 320 Ton Off Highway Haul Truck: Quarterly Technical Status Report 13

    SciTech Connect (OSTI)

    Tim Richter

    2006-03-23

    This thirteenth quarterly status report for the Hybrid Off Highway Vehicle (OHV) project, DOE Award DE-FC04-02AL68080 presents the project status at the end of December 2005, and covers activities in the thirteenth project quarter, October 2005 ? December 2005.

  7. Hybrid 240 Ton Off Highway Haul Truck: Quarterly Technical Status Report 18

    SciTech Connect (OSTI)

    Tim Richter

    2007-03-31

    This eighteenth quarterly status report for the Hybrid Off Highway Vehicle (OHV) project, DOE Award DE-FC04-02AL68080 presents the project status at the end of March 2007, and covers activities in the eighteenth project quarter, January 2007 – March 2007.

  8. Hybrid 320 Ton Off Highway Haul Truck: Quarterly Technical Status Report 10

    SciTech Connect (OSTI)

    Tim Richter

    2005-05-05

    This tenth quarterly status report for the Hybrid Off Highway Vehicle (OHV) project, DOE Award DE-FC04-2002AL68080 presents the project status at the end of March 2005, and covers activities in the tenth project quarter, January-March 2005.

  9. Generic vehicle speed models based on traffic simulation: Development and application

    SciTech Connect (OSTI)

    Margiotta, R.; Cohen, H.; Elkins, G.; Rathi, A.; Venigalla, M.

    1994-12-15

    This paper summarizes the findings of a research project to develop new methods of estimating speeds for inclusion in the Highway Performance Monitoring System (HPMS) Analytical Process. The paper focuses on the effects of traffic conditions excluding incidents (recurring congestion) on daily average ed and excess fuel consumption. A review of the literature revealed that many techniques have been used to predict speeds as a function of congestion but most fail to address the effects of queuing. However, the method of Dowling and Skabardonis avoids this limitation and was adapted to the research. The methodology used the FRESIM and NETSIM microscopic traffic simulation models to develop uncongested speed functions and as a calibration base for the congested flow functions. The chief contributions of the new speed models are the simplicity of application and their explicit accounting for the effects of queuing. Specific enhancements include: (1) the inclusion of a queue discharge rate for freeways; (2) use of newly defined uncongested flow speed functions; (3) use of generic temporal distributions that account for peak spreading; and (4) a final model form that allows incorporation of other factors that influence speed, such as grades and curves. The main limitation of the new speed models is the fact that they are based on simulation results and not on field observations. They also do not account for the effect of incidents on speed. While appropriate for estimating average national conditions, the use of fixed temporal distributions may not be suitable for analyzing specific facilities, depending on observed traffic patterns. Finally, it is recommended that these and all future speed models be validated against field data where incidents can be adequately identified in the data.

  10. Gasoline prices continue to rise (long version)

    U.S. Energy Information Administration (EIA) Indexed Site

    Gasoline prices continue to rise (long version) The U.S. average retail price for regular gasoline rose to $3.67 a gallon on Monday. That's up 7 cents from a week ago, based on the weekly price survey by the U.S. Energy Information Administration. Pump prices were highest in the West Coast region at 3.95 a gallon, up 1.4 cents from a week ago. Prices were lowest in the Gulf Coast States at 3.39 a gallon, up 2.8 cents. The Midwest region boasted the highest weekly increase at 18.8 cents with

  11. A STUDY OF THE DISCREPANCY BETWEEN FEDERAL AND STATE MEASUREMENTS OF ON-HIGHWAY FUEL CONSUMPTION

    SciTech Connect (OSTI)

    Hwang, HL

    2003-08-11

    Annual highway fuel taxes are collected by the Treasury Department and placed in the Highway Trust Fund (HTF). There is, however, no direct connection between the taxes collected by the Treasury Department and the gallons of on-highway fuel use, which can lead to a discrepancy between these totals. This study was conducted to determine how much of a discrepancy exists between the total fuel usages estimated based on highway revenue funds as reported by the Treasury Department and the total fuel usages used in the apportionment of the HTF to the States. The analysis was conducted using data from Highway Statistics Tables MF-27 and FE-9 for the years 1991-2001. It was found that the overall discrepancy is relatively small, mostly within 5% difference. The amount of the discrepancy varies from year to year and varies among the three fuel types (gasoline, gasohol, special fuels). Several potential explanations for these discrepancies were identified, including issues on data, tax measurement, gallon measurement, HTF receipts, and timing. Data anomalies caused by outside forces, such as deferment of tax payments from one fiscal year to the next, can skew fuel tax data. Fuel tax evasion can lead to differences between actual fuel use and fuel taxes collected. Furthermore, differences in data collection and reporting among States can impact fuel use data. Refunds, credits, and transfers from the HTF can impact the total fuel tax receipt data. Timing issues, such as calendar year vs. fiscal year, can also cause some discrepancy between the two data sources.

  12. Advanced weigh-in-motion system for weighing vehicles at high speed

    SciTech Connect (OSTI)

    Beshears, D.L.; Muhs, J.D.; Scudiere, M.B.

    1998-02-01

    A state-of-the-art, Advanced Weigh-In-Motion (WIM) system has been designed, installed, and tested on the west bound side of Interstate I-75/I-40 near the Knox County Weigh Station. The project is a Cooperative Research and Development Agreement (CRADA) between Oak Ridge National Laboratory (ORNL) and International Road Dynamics, Inc. (IRD) sponsored by the Office of Uranium Programs, Facility and Technology Management Division of the Department of Energy under CRADA No. ORNL95-0364. ORNL, IRD, the Federal Highway Administration, the Tennessee Department of Safety and the Tennessee Department of Transportation have developed a National High Speed WIM Test Facility for test and evaluation of high-speed WIM systems. The WIM system under evaluation includes a Single Load Cell WIM scale system supplied and installed by IRD. ORNL developed a stand-alone, custom data acquisition system, which acquires the raw signals from IRD`s in-ground single load cell transducers. Under a separate contract with the Federal Highway Administration, ORNL designed and constructed a laboratory scale house for data collection, analysis and algorithm development. An initial advanced weight-determining algorithm has been developed. The new advanced WIM system provides improved accuracy and can reduce overall system variability by up to 30% over the existing high accuracy commercial WIM system.

  13. SEAL FOR HIGH SPEED CENTRIFUGE

    DOE Patents [OSTI]

    Skarstrom, C.W.

    1957-12-17

    A seal is described for a high speed centrifuge wherein the centrifugal force of rotation acts on the gasket to form a tight seal. The cylindrical rotating bowl of the centrifuge contains a closure member resting on a shoulder in the bowl wall having a lower surface containing bands of gasket material, parallel and adjacent to the cylinder wall. As the centrifuge speed increases, centrifugal force acts on the bands of gasket material forcing them in to a sealing contact against the cylinder wall. This arrangememt forms a simple and effective seal for high speed centrifuges, replacing more costly methods such as welding a closure in place.

  14. Community-Based Sea Level Rise Projections Webinar

    Broader source: Energy.gov [DOE]

    This webinar will present a process for developing community-based sea level rise projections and facilitating their use.

  15. Iraqi crude exports may rise further

    SciTech Connect (OSTI)

    Not Available

    1980-12-08

    Iraq will soon start exporting crude oil through a 550 mi, 500,000 bbl/day capacity pipeline from Iraq to Banias, Syria, on the Mediterranean. Iraq has already been transporting a reported 400,000 bbl/day in a 700,000 bbl/day capacity pipeline that goes to Dortyol, Turk., on the Mediterranean. Iraq's theoretical export capacity will soon reach 1.2 million bbl/day (compared with 3.2 million bbl/day before the war), assuming that the facilities are undamaged. Iran has been exporting some crude from its Kharg Island terminal, presumably by Iranian boat to the Lavan Island terminal at the southern end of the gulf, where it would be transported along with crude from offshore fields in the area. The exports apparently had been large enough to keep spot-market prices from rising much above the $40/bbl level, and in Dec. 1980, the spot-market prices eased to just under the $40 mark. Indonesia has raised the premium on its Sumatran light crude by $1/bbl, bringing the total to $35.20. Other producers have not yet raised their prices correspondingly. The agenda of the Dec. 1980 price-fixing meeting in Indonesia (assuming it takes place as planned) is discussed.

  16. Evidence of thermonuclear flame spreading on neutron stars from burst rise oscillations

    SciTech Connect (OSTI)

    Chakraborty, Manoneeta; Bhattacharyya, Sudip E-mail: sudip@tifr.res.in

    2014-09-01

    Burst oscillations during the rising phases of thermonuclear X-ray bursts are usually believed to originate from flame spreading on the neutron star surface. However, the decrease of fractional oscillation amplitude with rise time, which provides a main observational support for the flame spreading model, have so far been reported from only a few bursts. Moreover, the non-detection and intermittent detections of rise oscillations from many bursts are not yet understood considering the flame spreading scenario. Here, we report the decreasing trend of fractional oscillation amplitude from an extensive analysis of a large sample of Rossi X-ray Timing Explorer Proportional Counter Array bursts from 10 neutron star low-mass X-ray binaries. This trend is 99.99% significant for the best case, which provides, to the best of our knowledge, by far the strongest evidence of such a trend. Moreover, it is important to note that an opposite trend is not found in any of the bursts. The concave shape of the fractional amplitude profiles for all the bursts suggests latitude-dependent flame speeds, possibly due to the effects of the Coriolis force. We also systematically study the roles of low fractional amplitude and low count rate for non-detection and intermittent detections of rise oscillations, and attempt to understand them within the flame spreading scenario. Our results support a weak turbulent viscosity for flame spreading, and imply that burst rise oscillations originate from an expanding hot spot, thus making these oscillations a more reliable tool to constrain the neutron star equations of state.

  17. FULLY INTEGRATED HIGH SPEED MEGAWATT CLASS MOTOR AND HIGH FREQUENCY...

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

    FULLY INTEGRATED HIGH SPEED MEGAWATT CLASS MOTOR AND HIGH FREQUENCY VARIABLE SPEED DRIVE SYSTEM FULLY INTEGRATED HIGH SPEED MEGAWATT CLASS MOTOR AND HIGH FREQUENCY VARIABLE SPEED ...

  18. Rising global temperatures accelerate drought-induced forest mortality

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

    Drought-induced forest mortality Rising global temperatures accelerate drought-induced forest mortality Many southwestern forests in the United States will disappear or be heavily altered by 2050, according to a series of joint LANL-UNM studies. April 23, 2015 Piñon trees show increased susceptibility to drought when also subjected to rising temperatures. Piñon trees show increased susceptibility to drought when also subjected to rising temperatures. Contact Nancy Ambrosiano Communications

  19. Rising Above the Water: New Orleans Implements Energy Efficiency...

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

    and Sustainability Practices Following Hurricanes Katrina and Rita (Fact Sheet) Rising Above the Water: New Orleans Implements Energy Efficiency and Sustainability Practices ...

  20. The social values at risk from sea-level rise

    SciTech Connect (OSTI)

    Graham, Sonia; Barnett, Jon; Fincher, Ruth; Hurlimann, Anna; Mortreux, Colette; Waters, Elissa

    2013-07-15

    Analysis of the risks of sea-level rise favours conventionally measured metrics such as the area of land that may be subsumed, the numbers of properties at risk, and the capital values of assets at risk. Despite this, it is clear that there exist many less material but no less important values at risk from sea-level rise. This paper re-theorises these multifarious social values at risk from sea-level rise, by explaining their diverse nature, and grounding them in the everyday practices of people living in coastal places. It is informed by a review and analysis of research on social values from within the fields of social impact assessment, human geography, psychology, decision analysis, and climate change adaptation. From this we propose that it is the lived values of coastal places that are most at risk from sea-level rise. We then offer a framework that groups these lived values into five types: those that are physiological in nature, and those that relate to issues of security, belonging, esteem, and self-actualisation. This framework of lived values at risk from sea-level rise can guide empirical research investigating the social impacts of sea-level rise, as well as the impacts of actions to adapt to sea-level rise. It also offers a basis for identifying the distribution of related social outcomes across populations exposed to sea-level rise or sea-level rise policies.

  1. COLLOQUIUM: ITER and its Diagnostics - Rising to the Challenge...

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

    MBG Auditorium COLLOQUIUM: ITER and its Diagnostics - Rising to the Challenge Dr. Mike Walsh ITER The ITER project is now well underway with many teams completing various aspects ...

  2. Rising Solar Energy Science and Technology Co Ltd | Open Energy...

    Open Energy Info (EERE)

    Rising Solar Energy Science and Technology Co Ltd Place: Qinhuangdao, Hebei Province, China Zip: 66600 Sector: Solar Product: Chinese solar module laminator manufacturer...

  3. Final Report - Sun Rise New England - Open for Buisness | Department...

    Energy Savers [EERE]

    Final Report - Sun Rise New England - Open for Buisness Awardee: Connecticut Green Bank (Formerly Clean Energy Finance Investment Authority) Location: Rocky Hill, CT Subprogram: ...

  4. Hybrid 320 Ton Off Highway Haul Truck: Quarterly Technical Status Report 1

    SciTech Connect (OSTI)

    Salasoo, Lembit

    2003-02-11

    The mine proving ground to be used for the hybrid off highway vehicle (OHV) demonstration was visited, to obtain haul route profile data and OHV vehicle data. A 6500-ft haul mission with 7% average grade was selected. Enhancements made to a dynamic model of hybrid missions provided capability to analyze hybrid OHV performance. A benefits study defined relationships between fuel and productivity benefits and hybrid system parameters. OHV hybrid system requirements were established, and a survey of candidate energy storage technology characteristics was carried out. Testing of the performance of an existing power battery bank verified its suitability for use in the hybrid OHV demonstration.

  5. Global warming impact of gasoline and alcohol use in light-duty highway vehicles in Brazil

    SciTech Connect (OSTI)

    Uria, L.A.B.; Schaeffer, R.

    1997-12-31

    This paper examines the direct and indirect global warming impact of gasoline and alcohol use in light-duty highway vehicles in Brazil. In order to do that, it quantifies emissions of CO{sub 2}, CO{sub 2} HC and NO{sub x} in terms of CO{sub 2}-equivalent units for time spans of 20, 100 and 500 years. It shows that the consideration of CO{sub 2} HC and NO{sub x} emissions in addition to CO{sub 2} provides an important contribution for better understanding the total warming impact of transportation fuels in Brazil.

  6. SOLAR MERIDIONAL FLOW IN THE SHALLOW INTERIOR DURING THE RISING PHASE OF CYCLE 24

    SciTech Connect (OSTI)

    Zhao, Junwei; Bogart, R. S.; Kosovichev, A. G.

    2014-07-01

    Solar subsurface zonal- and meridional-flow profiles during the rising phase of solar cycle 24 are studied using the time-distance helioseismology technique. The faster zonal bands in the torsional-oscillation pattern show strong hemispheric asymmetries and temporal variations in both width and speed. The faster band in the northern hemisphere is located closer to the equator than the band in the southern hemisphere and migrates past the equator when the magnetic activity in the southern hemisphere is reaching maximum. The meridional-flow speed decreases substantially with the increase of magnetic activity, and the flow profile shows two zonal structures in each hemisphere. The residual meridional flow, after subtracting a mean meridional-flow profile, converges toward the activity belts and shows faster and slower bands like the torsional-oscillation pattern. More interestingly, the meridional-flow speed above latitude 30° shows an anti-correlation with the poleward-transporting magnetic flux, slower when the following-polarity flux is transported and faster when the leading-polarity flux is transported. It is expected that this phenomenon slows the process of magnetic cancellation and polarity reversal in high-latitude areas.

  7. Systems and methods for vehicle speed management

    DOE Patents [OSTI]

    Sujan, Vivek Anand; Vajapeyazula, Phani; Follen, Kenneth; Wu, An; Forst, Howard Robert

    2016-03-01

    Controlling a speed of a vehicle based on at least a portion of a route grade and a route distance divided into a plurality of route sections, each including at least one of a section grade and section length. Controlling the speed of the vehicle is further based on determining a cruise control speed mode for the vehicle for each of the plurality of route sections and determining a speed reference command of the vehicle based on at least one of the cruise control speed mode, the section length, the section grade, and a current speed.

  8. Performance evaluation of highway embankment constructed using coal ash. Final report

    SciTech Connect (OSTI)

    Alleman, J.E.; Fox, P.J.; De Battista, D.J.

    1996-12-01

    The objective of this project was to assess the environmental and geotechnical performance of two highway embankments constructed using coal combustion fly ash. The environmental work focused on characterizing monitoring well water samples from the site before, during, and after construction. In addition, a number of in-situ lysimeter water samples were also tested during and after construction. In each case, water samples were evaluated in terms of their constitutive organic and metal concentrations, as well as their relative bioassay response using a MicrotoxTM protocol. The geotechnical work included monitoring of ash water content and unit weight during placement, settlement analysis and in-situ testing of the completed as fills using the Standard Penetration Test. Analysis of the groundwater and lysimeter water samples indicated that the coal ash had not adversely affected the environmental quality of the 56th Street overpass site. The embankments also performed well from a geotechnical perspective both during and after construction. The only difficulty was the measurement of coal ash water content and unit weight using the nuclear density gauge. The benefits of reusing coal combustion fly ash for highway construction are: (1) low-cost source material for INDOT, (2) reduced disposal costs for Indiana utilities, and (3) savings of Indiana landfill capacity.

  9. Speed control with end cushion for high speed air cylinder

    DOE Patents [OSTI]

    Stevens, Wayne W.; Solbrig, Charles W.

    1991-01-01

    A high speed air cylinder in which the longitudinal movement of the piston within the air cylinder tube is controlled by pressurizing the air cylinder tube on the accelerating side of the piston and releasing pressure at a controlled rate on the decelerating side of the piston. The invention also includes a method for determining the pressure required on both the accelerating and decelerating sides of the piston to move the piston with a given load through a predetermined distance at the desired velocity, bringing the piston to rest safely without piston bounce at the end of its complete stroke.

  10. Clean-coal technology by-products used in a highway embankment stabilization demonstration project. Master's thesis

    SciTech Connect (OSTI)

    Nodjomian, S.M.

    1994-01-01

    Clean-coal technology by-products are used in a highway embankment demonstration project. This research chronicles the procedures used in the process and analyzes the stability of a repaired highway embankment. The reconstructed slope is analyzed using an Intelligent Discussion Support System that was developed from a slope stability program. Water quality studies are performed and an instrumentation plan is suggested. The calculated factors of safety and the observed embankment performance give indications that the field demonstration project was a success. Long-term monitoring will be the best barometer for determining embankment gross movement and the future of FGD by-products as a stabilizing material.

  11. Adjustable Speed Pumping Applications: Industrial Technologies...

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

    For example, reducing the speed (fow) by 20% can reduce input power requirements by approximately 50%. In addition to energy savings, VFDs offer precise speed control and a soft-st...

  12. Aerosol Oxidation Speeds Up in Smoggy Air

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

    Aerosol Oxidation Speeds Up in Smoggy Air Aerosol Oxidation Speeds Up in Smoggy Air Print Wednesday, 17 February 2016 11:37 Organic aerosols (nanometer-sized liquid or solid ...

  13. Adjustable Speed Drive Part-Load Efficiency

    Broader source: Energy.gov [DOE]

    An adjustable speed drive (ASD) is a device that controls the rotational speed of motor-driven equipment. Variable frequency drives (VFDs), the most common type of ASDs, efficiently meet varying process requirements by adjusting the frequency and voltage of the power supplied to an AC motor to enable it to operate over a wide speed range. External sensors monitor flow, liquid levels, or pressure and then transmit a signal to a controller that adjusts the frequency and speed to match process requirements.

  14. Rising Sea Levels Due to Global Warming Are Unstoppable

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

    Rising Sea Levels Due to Global Warming Are Unstoppable Rising Sea Levels Due to Global Warming Are Unstoppable Mitigation can slow down but not prevent sea level rise for centuries to come August 5, 2013 Contact: Linda Vu, Lvu@lbl.gov, +1 510 495 2402 washington.jpg Because seawater absorbs heat more slowly than the atmosphere above it, our oceans won't feel the full impact of the greenhouse gases already in the air for hundreds of years. Warm water expands, raising sea levels. (Courtesy W.

  15. Magnetically Coupled Adjustable Speed Motor Drives

    Broader source: Energy.gov [DOE]

    Alternating current electric motors rotate at a nearly constant speed that is determined by motor design and line frequency. Energy savings of 50% or more may be available when fixed speed systems are modified to allow the motor speed to match variable load requirements of a centrifugal fan or pump. This tip sheet describes the advantages of magnetically coupled ASDs and provides suggested actions.

  16. "Rise of the Machines" on CNBC Tonight | GE Global Research

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

    Naresh Iyer 2013.09.18 Today, there are more devices than people connected to the Internet. In 2015, that number is expected to rise to 25 billion. Wow. I'm Naresh Iyer, a...

  17. City of Rising Sun, Indiana (Utility Company) | Open Energy Informatio...

    Open Energy Info (EERE)

    Sun, Indiana (Utility Company) Jump to: navigation, search Name: Rising Sun City of Place: Indiana References: EIA Form EIA-861 Final Data File for 2010 - File1a1 EIA Form 861...

  18. Rising Above the Water: New Orleans Implements Energy Efficiency and

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

    Sustainability Practices Following Hurricanes Katrina and Rita (Fact Sheet) | Department of Energy Rising Above the Water: New Orleans Implements Energy Efficiency and Sustainability Practices Following Hurricanes Katrina and Rita (Fact Sheet) Rising Above the Water: New Orleans Implements Energy Efficiency and Sustainability Practices Following Hurricanes Katrina and Rita (Fact Sheet) This fact sheet describes the technical assistance that the U.S. Department of Energy, through its National

  19. Diesel Fueled SOFC for Class 7/Class 8 On-Highway Truck Auxiliary Power

    SciTech Connect (OSTI)

    Vesely, Charles John-Paul; Fuchs, Benjamin S.; Booten, Chuck W.

    2010-03-31

    The following report documents the progress of the Cummins Power Generation (CPG) Diesel Fueled SOFC for Class 7/Class 8 On-Highway Truck Auxiliary Power (SOFC APU) development and final testing under the U.S. Department of Energy (DOE) Energy Efficiency and Renewable Energy (EERE) contract DE-FC36-04GO14318. This report overviews and summarizes CPG and partner development leading to successful demonstration of the SOFC APU objectives and significant progress towards SOFC commercialization. Significant SOFC APU Milestones: Demonstrated: Operation meeting SOFC APU requirements on commercial Ultra Low Sulfur Diesel (ULSD) fuel. SOFC systems operating on dry CPOX reformate. Successful start-up and shut-down of SOFC APU system without inert gas purge. Developed: Low cost balance of plant concepts and compatible systems designs. Identified low cost, high volume components for balance of plant systems. Demonstrated efficient SOFC output power conditioning. Demonstrated SOFC control strategies and tuning methods.

  20. Highway vehicle electric drive in the United States : 2009 status and issues.

    SciTech Connect (OSTI)

    Santini, D. J.; Energy Systems

    2011-02-16

    The status of electric drive technology in the United States as of early 2010 is documented. Rapidly evolving electric drive technologies discussed include hybrid electric vehicles, multiple types of plug-in hybrid electric vehicles, and battery electric vehicles. Recent trends for hybrids are quantified. Various plug-in vehicles entering the market in the near term are examined. The technical and economic requirements for electric drive to more broadly succeed in a wider range of highway vehicle applications are described, and implications for the most promising new markets are provided. Federal and selected state government policy measures promoting and preparing for electric drive are discussed. Taking these into account, judgment on areas where increased Clean Cities funds might be most productively focused over the next five years are provided. In closing, the request by Clean Cities for opinion on the broad range of research needs providing near-term support to electric drive is fulfilled.

  1. Geotechnical properties of fly and bottom ash mixtures for use in highway embankments

    SciTech Connect (OSTI)

    Kim, B.; Prezzi, M.; Salgado, R.

    2005-07-01

    Class F fly ash and bottom ash are the solid residue byproducts produced by coal-burning electric utilities. They are usually disposed of together as a waste in utility disposal sites with a typical disposal rate of 80% fly ash and 20% bottom ash. Direct use of these materials in construction projects consuming large volumes of materials, such as highway embankment construction, not only provides a promising solution to the disposal problem, but also an economic alternative to the use of traditional materials. Representative samples of class F fly and bottom ash were collected from two utility power plants in Indiana and tested for their mechanical properties (compaction, permeability, strength, stiffness, and compressibility). Three mixtures of fly and bottom ash with different mixture ratios (i.e., 50, 75, and 100% fly ash content by weight) were prepared for testing. Test results indicated that ash mixtures compare favorably with conventional granular materials.

  2. ,"U.S. On-Highway Diesel Fuel Prices"

    U.S. Energy Information Administration (EIA) Indexed Site

    On-Highway Diesel Fuel Prices" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description","# Of Series","Frequency","Latest Data for" ,"Data 1","W Diesel Prices - All Types",11,"Weekly","9/5/2016","3/21/1994" ,"Data 2","M Diesel Prices - All Types",11,"Monthly","8/2016","3/15/1994" ,"Data 3","W

  3. Hybrid 320 Ton Off Highway Haul Truck: Quarterly Technical Status Report 11, DOE/AL68080-TSR11

    SciTech Connect (OSTI)

    Tim Richter

    2005-09-26

    This eleventh quarterly status report for the Hybrid Off Highway Vehicle (OHV) project, DOE Award DE-FC04-02AL68080 presents the project status at the end of June 2005, and covers activities in the eleventh project quarter, April 2005-June 2005.

  4. Hybrid 240 Ton Off Highway Haul Truck: Quarterly Technical Status Report 19, DOE/AL68080-TSR19

    SciTech Connect (OSTI)

    Tim Richter

    2007-06-30

    This nineteenth quarterly status report for the Hybrid Off Highway Vehicle (OHV) project, DOE Award DE-FC04-02AL68080 presents the project status at the end of June 2007, and covers activities in the nineteenth project quarter, April 2007 – June 2007.

  5. SEP Success Story: Energy Department Supporting Nevada's Effort to Increase Electric Vehicle Infrastructure Along Major U.S. Highway

    Broader source: Energy.gov [DOE]

    With help from the State Energy Program, the Nevada Governor's Office of Energy and the local utility NV Energy were able to create the Electric Highway joint initiative to connect the two major urban centers in the state, Las Vegas and Reno, and install charging stations along the route.

  6. High speed sampler and demultiplexer

    DOE Patents [OSTI]

    McEwan, T.E.

    1995-12-26

    A high speed sampling demultiplexer based on a plurality of sampler banks, each bank comprising a sample transmission line for transmitting an input signal, a strobe transmission line for transmitting a strobe signal, and a plurality of sampling gates at respective positions along the sample transmission line for sampling the input signal in response to the strobe signal. Strobe control circuitry is coupled to the plurality of banks, and supplies a sequence of bank strobe signals to the strobe transmission lines in each of the plurality of banks, and includes circuits for controlling the timing of the bank strobe signals among the banks of samplers. Input circuitry is included for supplying the input signal to be sampled to the plurality of sample transmission lines in the respective banks. The strobe control circuitry can repetitively strobe the plurality of banks of samplers such that the banks of samplers are cycled to create a long sample length. Second tier demultiplexing circuitry is coupled to each of the samplers in the plurality of banks. The second tier demultiplexing circuitry senses the sample taken by the corresponding sampler each time the bank in which the sampler is found is strobed. A plurality of such samples can be stored by the second tier demultiplexing circuitry for later processing. Repetitive sampling with the high speed transient sampler induces an effect known as ``strobe kickout``. The sample transmission lines include structures which reduce strobe kickout to acceptable levels, generally 60 dB below the signal, by absorbing the kickout pulses before the next sampling repetition. 16 figs.

  7. High speed sampler and demultiplexer

    DOE Patents [OSTI]

    McEwan, Thomas E.

    1995-01-01

    A high speed sampling demultiplexer based on a plurality of sampler banks, each bank comprising a sample transmission line for transmitting an input signal, a strobe transmission line for transmitting a strobe signal, and a plurality of sampling gates at respective positions along the sample transmission line for sampling the input signal in response to the strobe signal. Strobe control circuitry is coupled to the plurality of banks, and supplies a sequence of bank strobe signals to the strobe transmission lines in each of the plurality of banks, and includes circuits for controlling the timing of the bank strobe signals among the banks of samplers. Input circuitry is included for supplying the input signal to be sampled to the plurality of sample transmission lines in the respective banks. The strobe control circuitry can repetitively strobe the plurality of banks of samplers such that the banks of samplers are cycled to create a long sample length. Second tier demultiplexing circuitry is coupled to each of the samplers in the plurality of banks. The second tier demultiplexing circuitry senses the sample taken by the corresponding sampler each time the bank in which the sampler is found is strobed. A plurality of such samples can be stored by the second tier demultiplexing circuitry for later processing. Repetitive sampling with the high speed transient sampler induces an effect known as "strobe kickout". The sample transmission lines include structures which reduce strobe kickout to acceptable levels, generally 60 dB below the signal, by absorbing the kickout pulses before the next sampling repetition.

  8. Stage effects on stalling and recovery of a high-speed 10-stage axial-flow compressor

    SciTech Connect (OSTI)

    Copenhaver, W.W.

    1988-01-01

    Results of a high-speed 10-stage axial-flow compressor test involving overall compressor and individual stage performance while stalling and operating in quasi-steady rotating stall are described. Test procedures and data-acquisition methods used to obtain the dynamic stalling and quasi-steady in-stall data are explained. Unstalled and in-stall time-averaged data obtained from the compressor operating at five different shaft speeds and one off-schedule variable vane condition are presented. Effects of compressor speed and variable geometry on overall compressor in-stall pressure rise and hysteresis extent are illustrated through the use of quasi-steady-stage temperature rise and pressure-rise characteristics. Results indicate that individual stage performance during overall compressor rotating stall operation varies considerably throughout the length of the compressor. The measured high-speed 10-stage test compressor individual stage pressure and temperature characteristics were input into a stage-by-stage dynamic compressor performance model. Comparison of the model results and measured pressures provided the additional validation necessary to demonstrate the model's ability to predict high-speed multistage compressor stalling and in-stall performance.

  9. Active control system for high speed windmills

    SciTech Connect (OSTI)

    Avery, D.E.

    1988-01-12

    A pump stroke is matched to the operating speed of a high speed windmill. The windmill drives a hydraulic pump for a control. Changes in speed of a wind driven shaft open supply and exhaust valves to opposite ends of a hydraulic actuator to lengthen and shorten an oscillating arm thereby lengthening and shortening the stroke of an output pump. Diminishing wind to a stall speed causes the valves to operate the hydraulic cylinder to shorten the oscillating arm to zero. A pressure accumulator in the hydraulic system provides the force necessary to supply the hydraulic fluid under pressure to drive the actuator into and out of the zero position in response to the windmill shaft speed approaching and exceeding windmill stall speed. 4 figs.

  10. Active control system for high speed windmills

    SciTech Connect (OSTI)

    Avery, Don E.

    1988-01-01

    A pump stroke is matched to the operating speed of a high speed windmill. The windmill drives a hydraulic pump for a control. Changes in speed of a wind driven shaft open supply and exhaust valves to opposite ends of a hydraulic actuator to lengthen and shorten an oscillating arm thereby lengthening and shortening the stroke of an output pump. Diminishing wind to a stall speed causes the valves to operate the hydraulic cylinder to shorten the oscillating arm to zero. A pressure accumulator in the hydraulic system provides the force necessary to supply the hydraulic fluid under pressure to drive the actuator into and out of the zero position in response to the windmill shaft speed approaching and exceeding windmill stall speed.

  11. ClearSpeed presentation circa March 2007

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

    clearspeed.com Copyright © 2007 ClearSpeed Technology Inc. All rights reserved. 1 64-Bit Floating-Point Accelerators for HPC Applications John L. Gustafson, Ph.D. Chief Technology Officer, HPC ClearSpeed Technology, Inc. www.clearspeed.com Copyright © 2007 ClearSpeed Technology Inc. All rights reserved. 2 Outline * Acceleration issues in general: host-accelerator bandwidth/latency * Accelerator performance analysis examples * Measured and expected application acceleration: - Molecular

  12. ADVANCED HIGH SPEED PROGRAMMABLE PREFORMING

    SciTech Connect (OSTI)

    Norris Jr, Robert E; Lomax, Ronny D; Xiong, Fue; Dahl, Jeffrey S; Blanchard, Patrick J

    2010-01-01

    Polymer-matrix composites offer greater stiffness and strength per unit weight than conventional materials resulting in new opportunities for lightweighting of automotive and heavy vehicles. Other benefits include design flexibility, less corrosion susceptibility, and the ability to tailor properties to specific load requirements. However, widespread implementation of structural composites requires lower-cost manufacturing processes than those that are currently available. Advanced, directed-fiber preforming processes have demonstrated exceptional value for rapid preforming of large, glass-reinforced, automotive composite structures. This is due to process flexibility and inherently low material scrap rate. Hence directed fiber performing processes offer a low cost manufacturing methodology for producing preforms for a variety of structural automotive components. This paper describes work conducted at the Oak Ridge National Laboratory (ORNL), focused on the development and demonstration of a high speed chopper gun to enhance throughput capabilities. ORNL and the Automotive Composites Consortium (ACC) revised the design of a standard chopper gun to expand the operational envelope, enabling delivery of up to 20kg/min. A prototype unit was fabricated and used to demonstrate continuous chopping of multiple roving at high output over extended periods. In addition fiber handling system modifications were completed to sustain the high output the modified chopper affords. These hardware upgrades are documented along with results of process characterization and capabilities assessment.

  13. High speed imager test station

    DOE Patents [OSTI]

    Yates, George J.; Albright, Kevin L.; Turko, Bojan T.

    1995-01-01

    A test station enables the performance of a solid state imager (herein called a focal plane array or FPA) to be determined at high image frame rates. A programmable waveform generator is adapted to generate clock pulses at determinable rates for clock light-induced charges from a FPA. The FPA is mounted on an imager header board for placing the imager in operable proximity to level shifters for receiving the clock pulses and outputting pulses effective to clock charge from the pixels forming the FPA. Each of the clock level shifters is driven by leading and trailing edge portions of the clock pulses to reduce power dissipation in the FPA. Analog circuits receive output charge pulses clocked from the FPA pixels. The analog circuits condition the charge pulses to cancel noise in the pulses and to determine and hold a peak value of the charge for digitizing. A high speed digitizer receives the peak signal value and outputs a digital representation of each one of the charge pulses. A video system then displays an image associated with the digital representation of the output charge pulses clocked from the FPA. In one embodiment, the FPA image is formatted to a standard video format for display on conventional video equipment.

  14. High speed imager test station

    DOE Patents [OSTI]

    Yates, G.J.; Albright, K.L.; Turko, B.T.

    1995-11-14

    A test station enables the performance of a solid state imager (herein called a focal plane array or FPA) to be determined at high image frame rates. A programmable waveform generator is adapted to generate clock pulses at determinable rates for clock light-induced charges from a FPA. The FPA is mounted on an imager header board for placing the imager in operable proximity to level shifters for receiving the clock pulses and outputting pulses effective to clock charge from the pixels forming the FPA. Each of the clock level shifters is driven by leading and trailing edge portions of the clock pulses to reduce power dissipation in the FPA. Analog circuits receive output charge pulses clocked from the FPA pixels. The analog circuits condition the charge pulses to cancel noise in the pulses and to determine and hold a peak value of the charge for digitizing. A high speed digitizer receives the peak signal value and outputs a digital representation of each one of the charge pulses. A video system then displays an image associated with the digital representation of the output charge pulses clocked from the FPA. In one embodiment, the FPA image is formatted to a standard video format for display on conventional video equipment. 12 figs.

  15. Adjustable Speed Pumping Applications | Department of Energy

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

    in industrial pumping systems. PUMPING SYSTEMS TIP SHEET 11 Adjustable Speed Pumping Applications (January 2007) (276.35 KB) More Documents & Publications Control Strategies ...

  16. Driving Innovation, Speeding Adoption, Scaling Savings

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

    Driving Innovation, Speeding Adoption, Scaling Savings An Overview of the Building Technologies Office Roland Risser 2016 Building Technologies Office Peer Review April 4, 2016 2 ...

  17. MHL High Speed Cavitation | Open Energy Information

    Open Energy Info (EERE)

    16 Bandwidth(kHz) 20 Cameras Yes Description of Camera Types Wide variety of analog & digital surface cameras; high speed above and underwater cameras Available Sensors...

  18. Signal Speed in Nanomagnetic Logic Chains

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

    Signal Speed in Nanomagnetic Logic Chains Print The miniaturization of computing architectures has paved the way for personal hand-held electronic devices (smartphones, tablets,...

  19. Aerosol Oxidation Speeds Up in Smoggy Air

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

    Aerosol Oxidation Speeds Up in Smoggy Air Print Organic aerosols (nanometer-sized liquid or solid particles suspended in air) are important constituents of the troposphere, and ...

  20. Nuclear Speed-Dating | Department of Energy

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

    Nuclear Speed-Dating Nuclear Speed-Dating March 10, 2015 - 10:48am Addthis Photo courtesy of Idaho National Laboratory. Photo courtesy of Idaho National Laboratory. Pat Adams Pat Adams Digital Content Specialist, Office of Public Affairs Nuclear Speed-Dating The future of nuclear energy needs smart, creative thinkers. That's why more than 120 experts met up last week to "speed-date" each other's ideas. Storified by Energy Department * Tue, Mar 10 2015 15:28:50 Nuclear Wetlands * James

  1. Magnetically Coupled Adjustable Speed Motor Drives

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

    Because of energy effciency and control capabilities, VFD and motor combinations have replaced constant speed motors in virtually every type of industrial plant. Although VFDs have ...

  2. Aftertreatment Technologies for Off-Highway Heavy-Duty Diesel Engines

    SciTech Connect (OSTI)

    Kass, M.D.

    2008-07-15

    The objective of this program was to explore a combination of advanced injection control and urea-selective catalytic reduction (SCR) to reduce the emissions of oxides of nitrogen (NOx) and particulate matter (PM) from a Tier 2 off-highway diesel engine to Tier 3 emission targets while maintaining fuel efficiency. The engine used in this investigation was a 2004 4.5L John Deere PowerTechTM; this engine was not equipped with exhaust gas recirculation (EGR). Under the original CRADA, the principal objective was to assess whether Tier 3 PM emission targets could be met solely by increasing the rail pressure. Although high rail pressure will lower the total PM emissions, it has a contrary effect to raise NOx emissions. To address this effect, a urea-SCR system was used to determine whether the enhanced NOx levels, associated with high rail pressure, could be reduced to Tier 3 levels. A key attraction for this approach is that it eliminates the need for a Diesel particulate filter (DPF) to remove PM emissions. The original CRADA effort was also performed using No.2 Diesel fuel having a maximum sulfur level of 500 ppm. After a few years, the CRADA scope was expanded to include exploration of advanced injection strategies to improve catalyst regeneration and to explore the influence of urea-SCR on PM formation. During this period the emission targets also shifted to meeting more stringent Tier 4 emissions for NOx and PM, and the fuel type was changed to ultra-low sulfur Diesel (ULSD) having a maximum sulfur concentration of 15 ppm. New discoveries were made regarding PM formation at high rail pressures and the influences of oxidation catalysts and urea-SCR catalysts. These results are expected to provide a pathway for lower PM and NOx emissions for both off- and on-highway applications. Industrial in-kind support was available throughout the project period. Review of the research results were carried out on a regular basis (annual reports and meetings) followed by

  3. DOE employee listed among area’s rising leaders

    Office of Energy Efficiency and Renewable Energy (EERE)

    Earlier this year, the Greater Knoxville Business Journal compiled a list of East Tennessee’s top rising business and community leaders under the age of 40. The 2014 listing featured Heather Cloar, a contacting officer with the Energy Department in Oak Ridge.

  4. Comparison of Daytime and Nighttime Populations Adjacent to Interstate Highways in Metropolitan Areas Using LandScan USA

    SciTech Connect (OSTI)

    Johnson, Paul E

    2007-01-01

    An article of similar title was published in the International Journal of Radioactive Materials Transport in 1999. The study concluded that the daytime and nighttime populations are not substantially different for the metropolitan areas examined. This study revisits the issue, but using the LandScan USA high resolution population distribution data, which includes daytime and night-time population. Segments of Interstate highway beltways, along with the direct route through the city, for Atlanta, St. Louis, and Kansas City are examined with an 800m buffer from either side of the highways. The day/night ratio of population is higher using the LandScan USA data. LandScan USA daytime and night-time data will be incorporated into the TRAGIS routing model in future.

  5. Centrality measures highlight proton traps and access points to proton highways in kinetic Monte Carlo trajectories

    SciTech Connect (OSTI)

    Krueger, Rachel A.; Haibach, Frederick G.; Fry, Dana L.; Gomez, Maria A.

    2015-04-21

    A centrality measure based on the time of first returns rather than the number of steps is developed and applied to finding proton traps and access points to proton highways in the doped perovskite oxides: AZr{sub 0.875}D{sub 0.125}O{sub 3}, where A is Ba or Sr and the dopant D is Y or Al. The high centrality region near the dopant is wider in the SrZrO{sub 3} systems than the BaZrO{sub 3} systems. In the aluminum-doped systems, a region of intermediate centrality (secondary region) is found in a plane away from the dopant. Kinetic Monte Carlo (kMC) trajectories show that this secondary region is an entry to fast conduction planes in the aluminum-doped systems in contrast to the highest centrality area near the dopant trap. The yttrium-doped systems do not show this secondary region because the fast conduction routes are in the same plane as the dopant and hence already in the high centrality trapped area. This centrality measure complements kMC by highlighting key areas in trajectories. The limiting activation barriers found via kMC are in very good agreement with experiments and related to the barriers to escape dopant traps.

  6. Drivers` activities and information needs in an automated highway system. Working paper, August 1995-May 1996

    SciTech Connect (OSTI)

    Levitan, L.; Bloomfield, J.

    1996-10-01

    In most visions of the AHS--including that of the National Automated Highway System Consortium--it has been assumed that when a vehicle was under automated control, the driver would be allowed to engage in any of a variety of activities not related to driving (e.g, working, reading, sleeping). The objective of the first study reported here--one of the noncommuter studies--was to determine what drivers do when traveling under automated control, and whether the age of and/gender or the driver and/or the intrastring gap have an influence on those activities. One the objectives of the commuter experiment--of relevance for this report--was to determine whether what drivers do when traveling under automated control changes as a function of experience with the AHS (i.e., across trials). As conceptualization of the AHS proceeds, the details of the interface between the driver and the in-vehicle system will become more important. One part of that interface will be information supplied by the AHS to the driver, perhaps about such things as traffic conditions ahead predicted trip time to the driver`s selected exit, and so on. To maximize the utility of that information, it is important to determine what it is that drivers would like to know when traveling under automated control. The objective of the third study reported here--the second of the five noncommuter experiments--was to provide a first investigation of that issue.

  7. Energy Department Supporting Nevada’s Effort to Increase Electric Vehicle Infrastructure along Major U.S. Highway

    Broader source: Energy.gov [DOE]

    The Nevada Governor’s Office of Energy and the local utility NV Energy recently announced the Nevada Electric Highway joint initiative, an effort to facilitate electric vehicle (EV) transportation on U.S. Route 95. The roadway connects Las Vegas and Reno. To help offset costs for installing the charging stations along the route, Nevada will leverage funds allocated by the Energy Department’s State Energy Program.

  8. Fact #908: January 18, 2016 Light Vehicle Sales Rise for Five...

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

    908: January 18, 2016 Light Vehicle Sales Rise for Five Consecutive Years - Dataset Excel file and dataset for Light Vehicle Sales Rise for Five Consecutive Years File...

  9. NREL Employees Pledges to Community Rise Significantly - News Releases |

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

    NREL Employees Pledges to Community Rise Significantly Charitable Giving Campaign most successful on record December 4, 2009 Employees of the U.S. Department of Energy's National Renewable Energy Laboratory (NREL) pledged 57% more to community organizations during its annual charitable giving campaign this holiday season. For 2010, employees have committed more than $318,000 to the Partnership for Colorado and Mile High United Way, a significant increase over the $182,000 donated by

  10. Speed control system for an access gate

    SciTech Connect (OSTI)

    Bzorgi, Fariborz M.

    2012-03-20

    An access control apparatus for an access gate. The access gate typically has a rotator that is configured to rotate around a rotator axis at a first variable speed in a forward direction. The access control apparatus may include a transmission that typically has an input element that is operatively connected to the rotator. The input element is generally configured to rotate at an input speed that is proportional to the first variable speed. The transmission typically also has an output element that has an output speed that is higher than the input speed. The input element and the output element may rotate around a common transmission axis. A retardation mechanism may be employed. The retardation mechanism is typically configured to rotate around a retardation mechanism axis. Generally the retardation mechanism is operatively connected to the output element of the transmission and is configured to retard motion of the access gate in the forward direction when the first variable speed is above a control-limit speed. In many embodiments the transmission axis and the retardation mechanism axis are substantially co-axial. Some embodiments include a freewheel/catch mechanism that has an input connection that is operatively connected to the rotator. The input connection may be configured to engage an output connection when the rotator is rotated at the first variable speed in a forward direction and configured for substantially unrestricted rotation when the rotator is rotated in a reverse direction opposite the forward direction. The input element of the transmission is typically operatively connected to the output connection of the freewheel/catch mechanism.

  11. Aerosol Oxidation Speeds Up in Smoggy Air

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

    Aerosol Oxidation Speeds Up in Smoggy Air Aerosol Oxidation Speeds Up in Smoggy Air Print Wednesday, 17 February 2016 11:37 Organic aerosols (nanometer-sized liquid or solid particles suspended in air) are important constituents of the troposphere, and their chemistry has large-scale impacts on climate, pollution, and health. Accurate predictions of these aerosol impacts require a robust microphysical understanding of all relevant chemical reaction mechanisms and time scales, including those

  12. Supercomputers Speed Search for New Subatomic Particles

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

    Supercomputers Speed Search for New Subatomic Particles Supercomputers Speed Search for New Subatomic Particles High-Precision Lattice QCD Computations Find Unexpected 'Penguin' Decay December 2, 2015 Contact: Kathy Kincade, kkincade@lbl.gov, 510-495-2124 penguin Artist's rendering of a rare B-meson "penguin" (decay process) showing the quark-level process. Image: Daping Du, Syracuse University A team of theoretical high-energy physicists in the Fermilab Lattice and MILC Collaborations

  13. Signal Speed in Nanomagnetic Logic Chains

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

    Signal Speed in Nanomagnetic Logic Chains Signal Speed in Nanomagnetic Logic Chains Print Wednesday, 30 September 2015 00:00 The miniaturization of computing architectures has paved the way for personal hand-held electronic devices (smartphones, tablets, etc.) that feature extraordinary computing power. For such battery-operated devices, keeping the power consumption low while continuing to add features is a major challenge. To address this issue, there is a worldwide research effort dedicated

  14. New Pilot Study on Sea Level Rise Offers Approach That Can Help Communities

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

    Assess Possible Impact of Sea Level Rise on Energy Assets | Department of Energy Pilot Study on Sea Level Rise Offers Approach That Can Help Communities Assess Possible Impact of Sea Level Rise on Energy Assets New Pilot Study on Sea Level Rise Offers Approach That Can Help Communities Assess Possible Impact of Sea Level Rise on Energy Assets October 10, 2014 - 5:09pm Addthis Alice Lippert Alice Lippert Senior Technical Advisor to the Deputy Assistant Secretary of Energy Infrastructure

  15. High-Speed Biomass Recalcitrance Pipeline Speeds Up Bio-Mass Analysis -

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

    Energy Innovation Portal High-Speed Biomass Recalcitrance Pipeline Speeds Up Bio-Mass Analysis Robotic pipeline allows for rapid analysis of optimal substrate/enzyme combination for efficient bio-fuel production. National Renewable Energy Laboratory Ames Laboratory Contact NREL About This Technology Technology Marketing SummaryPipeline analysis speeds up the process for the selection of plant species with the lowest natural recalcitrance (resistance to sugar conversion) as well as the

  16. Mineral accretion technology for coral reef restoration, shore protection, and adaptation to rising sea level

    SciTech Connect (OSTI)

    Goreau, T.J.; Hilbertz, W.

    1997-12-31

    Electrolysis of seawater is used to precipitate limestone on top of underwater steel structures to create growing artificial reefs to enhance coral growth, restore coral reef habitat, provide shelter for fish, shellfish, and other marine organisms, generate white sand for beach replenishment, and protect shore lines from wave erosion. Films and slides will be shown of existing structures in Jamaica, Panama, and the Maldives, and projects being developed in these and other locations will be evaluated. The method is unique because it creates the only artificial reef structures that generate the natural limestone substrate from which corals and coral reefs are composed, speeding the settlement and growth of calcareous organisms, and attracting the full range of other reef organisms. The structures are self-repairing and grow stronger with age. Power sources utilized include batteries, battery chargers, photovoltaic panels, and windmills. The cost of seawalls and breakwaters produced by this method is less than one tenth that of conventional technology. Because the technology is readily scaled up to build breakwaters and artificial islands able to keep pace with rising sea level it is capable of playing an important role in protecting low lying coastal areas from the effects of global climate change.

  17. High-Speed, Temperature Programmable Gas Chromatography Utilizing...

    Office of Scientific and Technical Information (OSTI)

    High-Speed, Temperature Programmable Gas Chromatography Utilizing a Microfabricated Chip ... Title: High-Speed, Temperature Programmable Gas Chromatography Utilizing a Microfabricated ...

  18. Probing Fukushima with cosmic rays should speed cleanup

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

    Probing Fukushima with cosmic rays should speed cleanup Probing Fukushima with cosmic rays should speed cleanup The initiative could reduce the time required to clean up the ...

  19. High Speed Joining of Dissimilar Alloy Aluminum Tailor Welded...

    Energy Savers [EERE]

    High Speed Joining of Dissimilar Alloy Aluminum Tailor Welded Blanks High Speed Joining of Dissimilar Alloy Aluminum Tailor Welded Blanks 2013 DOE Hydrogen and Fuel Cells Program ...

  20. Vulnerability of the US to future sea level rise

    SciTech Connect (OSTI)

    Gornitz, V. . Goddard Inst. for Space Studies); White, T.W.; Cushman, R.M. )

    1991-01-01

    The differential vulnerability of the conterminous United States to future sea level rise from greenhouse climate warming is assessed, using a coastal hazards data base. This data contains information on seven variables relating to inundation and erosion risks. High risk shorelines are characterized by low relief, erodible substrate, subsidence, shoreline retreat, and high wave/tide energies. Very high risk shorelines on the Atlantic Coast (Coastal Vulnerability Index {ge}33.0) include the outer coast of the Delmarva Peninsula, northern Cape Hatteras, and segments of New Jersey, Georgia and South Carolina. Louisiana and sections of Texas are potentially the most vulnerable, due to anomalously high relative sea level rise and erosion, coupled with low elevation and mobile sediments. Although the Pacific Coast is generally the least vulnerable, because of its rugged relief and erosion-resistant substrate, the high geographic variability leads to several exceptions, such as the San Joaquin-Sacramento Delta area, the barrier beaches of Oregon and Washington, and parts of the Puget Sound Lowlands. 31 refs., 2 figs., 3 tabs.

  1. Laminar flame speeds of moist syngas mixtures

    SciTech Connect (OSTI)

    Das, Apurba K. [Department of Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH 44106 (United States); Kumar, Kamal; Sung, Chih-Jen [Department of Mechanical Engineering, University of Connecticut, Storrs, CT 06269 (United States)

    2011-02-15

    This work experimentally investigates the effect of the presence of water vapor on the laminar flame speeds of moist syngas/air mixtures using the counterflow twin-flame configuration. The experimental results presented here are for fuel lean syngas mixtures with molar percentage of hydrogen in the hydrogen and carbon monoxide mixture varying from 5% to 100%, for an unburned mixture temperature of 323 K, and under atmospheric pressure. At a given equivalence ratio, the effect of varying amount of water vapor addition on the measured laminar flame speed is demonstrated. The experimental laminar flame speeds are also compared with computed values using chemical kinetic mechanisms reported in the literature. It is found that laminar flame speed varies non-monotonically with addition of water for the carbon monoxide rich mixtures. It first increases with increasing amount of water addition, reaches a maximum value, and then decreases. An integrated reaction path analysis is further conducted to understand the controlling mechanism responsible for the non-monotonic variation in laminar flame speed due to water addition. On the other hand, for higher values of H{sub 2}/CO ratio the laminar flame speed monotonically decreases with increasing water addition. It is shown that the competition between the chemical and thermal effects of water addition leads to the observed response. Furthermore, reaction rate sensitivity analysis as well as binary diffusion coefficient sensitivity analysis are conducted to identify the possible sources of discrepancy between the experimental and predicted values. The sensitivity results indicate that the reaction rate constant of H{sub 2}+OH = H{sub 2}O+H is worth revisiting and refinement of binary diffusion coefficient data of N{sub 2}-H{sub 2}O, N{sub 2}-H{sub 2}, and H{sub 2}-H{sub 2}O pairs can be considered. (author)

  2. Measure Guideline. Replacing Single-Speed Pool Pumps with Variable Speed Pumps for Energy Savings

    SciTech Connect (OSTI)

    Hunt, A.; Easley, S.

    2012-05-01

    This measure guideline evaluates potential energy savings by replacing traditional single-speed pool pumps with variable speed pool pumps, and provides a basic cost comparison between continued uses of traditional pumps verses new pumps. A simple step-by-step process for inspecting the pool area and installing a new pool pump follows.

  3. Measure Guideline: Replacing Single-Speed Pool Pumps with Variable Speed Pumps for Energy Savings

    SciTech Connect (OSTI)

    Hunt, A.; Easley, S.

    2012-05-01

    The report evaluates potential energy savings by replacing traditional single-speed pool pumps with variable speed pool pumps, and provide a basic cost comparison between continued uses of traditional pumps verses new pumps. A simple step-by-step process for inspecting the pool area and installing a new pool pump follows.

  4. High Speed SPM of Functional Materials

    SciTech Connect (OSTI)

    Huey, Bryan D.

    2015-08-14

    The development and optimization of applications comprising functional materials necessitates a thorough understanding of their static and dynamic properties and performance at the nanoscale. Leveraging High Speed SPM and concepts enabled by it, efficient measurements and maps with nanoscale and nanosecond temporal resolution are uniquely feasible. This includes recent enhancements for topographic, conductivity, ferroelectric, and piezoelectric properties as originally proposed, as well as newly developed methods or improvements to AFM-based mechanical, friction, thermal, and photoconductivity measurements. The results of this work reveal fundamental mechanisms of operation, and suggest new approaches for improving the ultimate speed and/or efficiency, of data storage systems, magnetic-electric sensors, and solar cells.

  5. Projections of highway vehicle population, energy demand, and CO{sub 2} emissions in India through 2040.

    SciTech Connect (OSTI)

    Arora, S.; Vyas, A.; Johnson, L.; Energy Systems

    2011-02-22

    This paper presents projections of motor vehicles, oil demand, and carbon dioxide (CO{sub 2}) emissions for India through the year 2040. The populations of highway vehicles and two-wheelers are projected under three different scenarios on the basis of economic growth and average household size in India. The results show that by 2040, the number of highway vehicles in India would be 206-309 million. The oil demand projections for the Indian transportation sector are based on a set of nine scenarios arising out of three vehicle-growth and three fuel-economy scenarios. The combined effects of vehicle-growth and fuel-economy scenarios, together with the change in annual vehicle usage, result in a projected demand in 2040 by the transportation sector in India of 404-719 million metric tons (8.5-15.1 million barrels per day). The corresponding annual CO{sub 2} emissions are projected to be 1.2-2.2 billion metric tons.

  6. Effects of highway runoff on the quality of water and bed sediments of two wetlands in central Florida. Report of Investigations

    SciTech Connect (OSTI)

    Schiffer, D.M.

    1989-01-01

    Results of a study of the effects of highway runoff on the chemical quality of water and bed sediments of a cypress wetland and a freshwater marsh in central Florida indicate that detention of the runoff prior to release into the wetland reduces concentrations of automobile-related chemicals in the water and bed sediments in the wetland. Detention of highway runoff for the cypress wetland occurs in a 68- by 139-foot detention pond, and in a 12- by 25-foot trash retainer for the freshwater marsh. Results from the study indicate that detention structures, larger than the trash retainer at the freshwater marsh, may cause sufficient sorption and settling of substances contained in highway runoff.

  7. Airfoil shape for flight at subsonic speeds

    DOE Patents [OSTI]

    Whitcomb, Richard T.

    1976-01-01

    An airfoil having an upper surface shaped to control flow accelerations and pressure distribution over the upper surface and to prevent separation of the boundary layer due to shock wave formulation at high subsonic speeds well above the critical Mach number. A highly cambered trailing edge section improves overall airfoil lifting efficiency.

  8. U.S. oil imports to decline with rising oil production through...

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

    oil imports to decline with rising oil production through 2014 The United States will need fewer oil imports over the next two years because of rising U.S. oil production. The new ...

  9. Predicting Land-Ice Retreat and Sea-Level Rise with the Community...

    Office of Scientific and Technical Information (OSTI)

    Title: Predicting Land-Ice Retreat and Sea-Level Rise with the Community Earth System Model Coastal stakeholders need defensible predictions of 21st century sea-level rise (SLR). ...

  10. Solar Projects on the Rise for New Mexico's Picuris and Zia Pueblos...

    Energy Savers [EERE]

    Projects on the Rise for New Mexico's Picuris and Zia Pueblos Solar Projects on the Rise for New Mexico's Picuris and Zia Pueblos December 1, 2015 - 10:17am Addthis Solar Projects ...

  11. Argonne OutLoud: Rise of the Super Smart Supercomputer (March 14, 2013) |

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

    Argonne National Laboratory Rise of the Super Smart Supercomputer (March 14, 2013) Share Pete Beckman

  12. Measure Guideline: Replacing Single-Speed Pool Pumps with Variable Speed Pumps for Energy Savings

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

    Replacing Single-Speed Pool Pumps with Variable Speed Pumps for Energy Savings A. Hunt and S. Easley Building America Retrofit Alliance (BARA) May 2012 NOTICE This report was prepared as an account of work sponsored by an agency of the United States government. Neither the United States government nor any agency thereof, nor any of their employees, subcontractors, or affiliated partners makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy,

  13. High-speed massively parallel scanning

    DOE Patents [OSTI]

    Decker, Derek E.

    2010-07-06

    A new technique for recording a series of images of a high-speed event (such as, but not limited to: ballistics, explosives, laser induced changes in materials, etc.) is presented. Such technique(s) makes use of a lenslet array to take image picture elements (pixels) and concentrate light from each pixel into a spot that is much smaller than the pixel. This array of spots illuminates a detector region (e.g., film, as one embodiment) which is scanned transverse to the light, creating tracks of exposed regions. Each track is a time history of the light intensity for a single pixel. By appropriately configuring the array of concentrated spots with respect to the scanning direction of the detection material, different tracks fit between pixels and sufficient lengths are possible which can be of interest in several high-speed imaging applications.

  14. Thermodynamics in variable speed of light theories

    SciTech Connect (OSTI)

    Racker, Juan [CONICET, Centro Atomico Bariloche, Avenida Bustillo 9500 (8400), San Carlos De Bariloche (Argentina); Facultad de Ciencias Astronomicas y Geofisicas, Universidad Nacional de La Plata, Paseo del Bosque S/N (1900), La Plata (Argentina); Sisterna, Pablo [Facultad de Ciencias Exactas y Naturales, Universidad Nacional de Mar del Plata, Funes 3350 (7600), Mar del Plata (Argentina); Vucetich, Hector [Facultad de Ciencias Astronomicas y Geofisicas, Universidad Nacional de La Plata, Paseo del Bosque S/N (1900), La Plata (Argentina)

    2009-10-15

    The perfect fluid in the context of a covariant variable speed of light theory proposed by J. Magueijo is studied. On the one hand the modified first law of thermodynamics together with a recipe to obtain equations of state are obtained. On the other hand the Newtonian limit is performed to obtain the nonrelativistic hydrostatic equilibrium equation for the theory. The results obtained are used to determine the time variation of the radius of Mercury induced by the variability of the speed of light (c), and the scalar contribution to the luminosity of white dwarfs. Using a bound for the change of that radius and combining it with an upper limit for the variation of the fine structure constant, a bound on the time variation of c is set. An independent bound is obtained from luminosity estimates for Stein 2015B.

  15. All aboard for high-speed rail

    SciTech Connect (OSTI)

    Herman, D.

    1996-09-01

    A sleek, bullet-nosed train whizzing across the countryside is a fairly common sight in many nations. Since the Train a Grande Vitesse (TGV)--the record-setting ``train with great speed``--was introduced in France in 1981, Germany, Japan, and other countries have joined the high-speed club. In addition, the Eurostar passenger train, which travels between Great Britain and France through the Channel Tunnel, can move at 186 miles per hour once it reaches French tracks. Despite the technology`s growth elsewhere, rapid rail travel has not been seen on US shores beyond a few test runs by various manufacturers. Before the end of the century, however, American train spotters will finally be able to see some very fast trains here too. In March, Washington, DC-based Amtrak announced the purchase of 18 American Flyer high-speed train sets for the Northeast Corridor, which stretches from Boston through new York to the nation`s capital. Furthermore, Florida will get its own system by 2004, and other states are now taking a look at the technology. The American Flyer--designed by Montreal-based Bombardier and TGV manufacturer GEC Alsthom Transport in Paris--should venture onto US rails by 1999. Traveling at up to 150 miles per hour, the American Flyer will cut the New York-Boston run from 4 1/2 hours to 3 hours and reduce New York-Washington trip time from 3 hours to less than 2 3/4. Amtrak hopes the new trains and better times will earn it a greater share of travelers from air shuttles and perhaps from Interstate 95. This article describes how technologies that tilt railcars and propel the world`s fastest trains will be merged into one train set for the American Flyer, Amtrak`s first trip along high-speed rails.

  16. Aerosol Oxidation Speeds Up in Smoggy Air

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

    Aerosol Oxidation Speeds Up in Smoggy Air Print Organic aerosols (nanometer-sized liquid or solid particles suspended in air) are important constituents of the troposphere, and their chemistry has large-scale impacts on climate, pollution, and health. Accurate predictions of these aerosol impacts require a robust microphysical understanding of all relevant chemical reaction mechanisms and time scales, including those involving highly reactive free-radical molecules. However, detailed modeling is

  17. Aerosol Oxidation Speeds Up in Smoggy Air

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

    Aerosol Oxidation Speeds Up in Smoggy Air Print Organic aerosols (nanometer-sized liquid or solid particles suspended in air) are important constituents of the troposphere, and their chemistry has large-scale impacts on climate, pollution, and health. Accurate predictions of these aerosol impacts require a robust microphysical understanding of all relevant chemical reaction mechanisms and time scales, including those involving highly reactive free-radical molecules. However, detailed modeling is

  18. Aerosol Oxidation Speeds Up in Smoggy Air

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

    Aerosol Oxidation Speeds Up in Smoggy Air Print Organic aerosols (nanometer-sized liquid or solid particles suspended in air) are important constituents of the troposphere, and their chemistry has large-scale impacts on climate, pollution, and health. Accurate predictions of these aerosol impacts require a robust microphysical understanding of all relevant chemical reaction mechanisms and time scales, including those involving highly reactive free-radical molecules. However, detailed modeling is

  19. Data Capture Technique for High Speed Signaling

    DOE Patents [OSTI]

    Barrett, Wayne Melvin; Chen, Dong; Coteus, Paul William; Gara, Alan Gene; Jackson, Rory; Kopcsay, Gerard Vincent; Nathanson, Ben Jesse; Vranas, Paylos Michael; Takken, Todd E.

    2008-08-26

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

  20. Signal Speed in Nanomagnetic Logic Chains

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

    Signal Speed in Nanomagnetic Logic Chains Print The miniaturization of computing architectures has paved the way for personal hand-held electronic devices (smartphones, tablets, etc.) that feature extraordinary computing power. For such battery-operated devices, keeping the power consumption low while continuing to add features is a major challenge. To address this issue, there is a worldwide research effort dedicated to minimizing the energy required to perform computational operations and to

  1. Signal Speed in Nanomagnetic Logic Chains

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

    Signal Speed in Nanomagnetic Logic Chains Print The miniaturization of computing architectures has paved the way for personal hand-held electronic devices (smartphones, tablets, etc.) that feature extraordinary computing power. For such battery-operated devices, keeping the power consumption low while continuing to add features is a major challenge. To address this issue, there is a worldwide research effort dedicated to minimizing the energy required to perform computational operations and to

  2. Signal Speed in Nanomagnetic Logic Chains

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

    Signal Speed in Nanomagnetic Logic Chains Print The miniaturization of computing architectures has paved the way for personal hand-held electronic devices (smartphones, tablets, etc.) that feature extraordinary computing power. For such battery-operated devices, keeping the power consumption low while continuing to add features is a major challenge. To address this issue, there is a worldwide research effort dedicated to minimizing the energy required to perform computational operations and to

  3. Signal Speed in Nanomagnetic Logic Chains

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

    Signal Speed in Nanomagnetic Logic Chains Print The miniaturization of computing architectures has paved the way for personal hand-held electronic devices (smartphones, tablets, etc.) that feature extraordinary computing power. For such battery-operated devices, keeping the power consumption low while continuing to add features is a major challenge. To address this issue, there is a worldwide research effort dedicated to minimizing the energy required to perform computational operations and to

  4. Signal Speed in Nanomagnetic Logic Chains

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

    Signal Speed in Nanomagnetic Logic Chains Print The miniaturization of computing architectures has paved the way for personal hand-held electronic devices (smartphones, tablets, etc.) that feature extraordinary computing power. For such battery-operated devices, keeping the power consumption low while continuing to add features is a major challenge. To address this issue, there is a worldwide research effort dedicated to minimizing the energy required to perform computational operations and to

  5. Signal Speed in Nanomagnetic Logic Chains

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

    Signal Speed in Nanomagnetic Logic Chains Print The miniaturization of computing architectures has paved the way for personal hand-held electronic devices (smartphones, tablets, etc.) that feature extraordinary computing power. For such battery-operated devices, keeping the power consumption low while continuing to add features is a major challenge. To address this issue, there is a worldwide research effort dedicated to minimizing the energy required to perform computational operations and to

  6. Signal Speed in Nanomagnetic Logic Chains

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

    Signal Speed in Nanomagnetic Logic Chains Print The miniaturization of computing architectures has paved the way for personal hand-held electronic devices (smartphones, tablets, etc.) that feature extraordinary computing power. For such battery-operated devices, keeping the power consumption low while continuing to add features is a major challenge. To address this issue, there is a worldwide research effort dedicated to minimizing the energy required to perform computational operations and to

  7. Energy curable compositions having improved cure speeds

    DOE Patents [OSTI]

    Halm, Leo W.

    1993-01-01

    A composition and method provide improved physical properties and cure speed of polyurethane precursors, with or without free radical polymerizable monomers or oligomers present, by use of a two component catalyst system. The resin blend can be activated with a latent organometallic catalyst combined with an organic peroxide which can be a hydroperoxide or an acyl peroxide to decrease the cure time while increasing the break energy and tangent modulus of the system.

  8. Energy curable compositions having improved cure speeds

    DOE Patents [OSTI]

    Halm, L.W.

    1993-05-18

    The composition and method provide improved physical properties and cure speed of polyurethane precursors, with or without free radical polymerizable monomers or oligomers present, by use of a two component catalyst system. The resin blend can be activated with a latent organometallic catalyst combined with an organic peroxide which can be a hydroperoxide or an acyl peroxide to decrease the cure time while increasing the break energy and tangent modulus of the system.

  9. CASL - Nuclear Energy - Supercomputer speeds path forward

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

    Nuclear Energy - Supercomputer speeds path forward When run on graphics processing units, Denovo ran 3.5 times faster than what was possible with ORNL's Jaguar, which uses only central processing units. With this increase, 3D simulations are now within reach, said Tom Evans, who led the Denovo development team. Titan is a GPU/CPU hybrid to be installed over the next several months. This research supports the Consortium for Advanced Simulation of Light Water Reactors (http://www.casl.gov/).

  10. Why is energy use rising in the freight sector?

    SciTech Connect (OSTI)

    Mintz, M.; Vyas, A.D.

    1991-12-31

    Trends in transportation sector energy use and carbon dioxide emissions are analyzed with an emphasis on three freight modes -- rail, truck, and marine. A recent set of energy use projections is presented and freight mode energy characteristics are discussed. Transportation sector energy use, which nearly doubled between 1960 and 1985, is projected to grow more slowly during the period 1985{endash}2010. Most of the growth is projected to come from non-personal modes (freight and commercial air). Trends in freight mode energy intensities are discussed and a variety of factors behind these trends are analyzed. Rail and marine modes improved their energy intensities during sudden fuel price rises of the 1970s. Though there is room for further technological improvement, long power plant life cycles preclude rapid penetration of new technologies. Thus, energy intensities in these modes are more likely to improve through operational changes. Because of relatively stable fuel prices, the energy share of truck operating expenses is likely to remain low. Coupled with increasing labor costs, this portends only modest improvements in truck energy efficiency over the next two decades.

  11. Why is energy use rising in the freight sector

    SciTech Connect (OSTI)

    Mintz, M.; Vyas, A.D.

    1991-01-01

    Trends in transportation sector energy use and carbon dioxide emissions are analyzed with an emphasis on three freight modes -- rail, truck, and marine. A recent set of energy use projections is presented and freight mode energy characteristics are discussed. Transportation sector energy use, which nearly doubled between 1960 and 1985, is projected to grow more slowly during the period 1985{endash}2010. Most of the growth is projected to come from non-personal modes (freight and commercial air). Trends in freight mode energy intensities are discussed and a variety of factors behind these trends are analyzed. Rail and marine modes improved their energy intensities during sudden fuel price rises of the 1970s. Though there is room for further technological improvement, long power plant life cycles preclude rapid penetration of new technologies. Thus, energy intensities in these modes are more likely to improve through operational changes. Because of relatively stable fuel prices, the energy share of truck operating expenses is likely to remain low. Coupled with increasing labor costs, this portends only modest improvements in truck energy efficiency over the next two decades.

  12. Advanced Hybrid Propulsion and Energy Management System for High Efficiency, Off Highway, 240 Ton Class, Diesel Electric Haul Trucks

    SciTech Connect (OSTI)

    Richter, Tim; Slezak, Lee; Johnson, Chris; Young, Henry; Funcannon, Dan

    2008-12-31

    The objective of this project is to reduce the fuel consumption of off-highway vehicles, specifically large tonnage mine haul trucks. A hybrid energy storage and management system will be added to a conventional diesel-electric truck that will allow capture of braking energy normally dissipated in grid resistors as heat. The captured energy will be used during acceleration and motoring, reducing the diesel engine load, thus conserving fuel. The project will work towards a system validation of the hybrid system by first selecting an energy storage subsystem and energy management subsystem. Laboratory testing at a subscale level will evaluate these selections and then a full-scale laboratory test will be performed. After the subsystems have been proven at the full-scale lab, equipment will be mounted on a mine haul truck and integrated with the vehicle systems. The integrated hybrid components will be exercised to show functionality, capability, and fuel economy impacts in a mine setting.

  13. Safety of natural gas dual-fueled vehicles: Addendum to safety analysis of natural gas vehicles transiting highway tunnels

    SciTech Connect (OSTI)

    Shaaban, S.H.; Zalak, V.M. )

    1991-01-01

    A safety analysis was performed to assess the relative hazard of vehicles containing both compressed natural gas (CNG) and gasoline, referred to as dual-fueled vehicles, compared to the hazard of a dedicated CNG vehicle. This study expands upon previous work that examined the safety of CNG vehicles transiting highway tunnels. The approach was to examine operational data, test results and to perform thermal analyses to determine if there are any synergistic effects where the total consequences of fuel release might be greater than the sum of the two fuels released separately. This study concluded that a dual-fueled vehicle poses a slightly greater risk than a dedicated CNG vehicle; however, this marginal increase in risk is small and is within the bounds of risk posed by gasoline-powered vehicles. 4 refs.

  14. High voltage electrical amplifier having a short rise time

    DOE Patents [OSTI]

    Christie, David J.; Dallum, Gregory E.

    1991-01-01

    A circuit, comprising an amplifier and a transformer is disclosed that produces a high power pulse having a fast response time, and that responds to a digital control signal applied through a digital-to-analog converter. The present invention is suitable for driving a component such as an electro-optic modulator with a voltage in the kilovolt range. The circuit is stable at high frequencies and during pulse transients, and its impedance matching circuit matches the load impedance with the output impedance. The preferred embodiment comprises an input stage compatible with high-speed semiconductor components for amplifying the voltage of the input control signal, a buffer for isolating the input stage from the output stage; and a plurality of current amplifiers connected to the buffer. Each current amplifier is connected to a field effect transistor (FET), which switches a high voltage power supply to a transformer which then provides an output terminal for driving a load. The transformer comprises a plurality of transmission lines connected to the FETs and the load. The transformer changes the impedance and voltage of the output. The preferred embodiment also comprises a low voltage power supply for biasing the FETs at or near an operational voltage.

  15. tomoRecon : High-speed tomography reconstruction on workstations...

    Office of Scientific and Technical Information (OSTI)

    tomoRecon : High-speed tomography reconstruction on workstations using multi-threading Citation Details In-Document Search Title: tomoRecon : High-speed tomography reconstruction ...

  16. Software speeds detection of diseases and cancer-treatment targets

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

    Software speeds detection of diseases Software speeds detection of diseases and cancer-treatment targets The Lab has released an updated version of software that is now capable of ...

  17. File:CV WindSpeed.pdf | Open Energy Information

    Open Energy Info (EERE)

    CV WindSpeed.pdf Jump to: navigation, search File File history File usage Cape Verde-Map Summarizing Average Wind Speed (ms) Size of this preview: 776 600 pixels. Full...

  18. Advanced Variable Speed Air-Source Integrated Heat Pump | Department...

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

    Pump Advanced Variable Speed Air-Source Integrated Heat Pump Advanced variable-speed Air Source Integrated Heat Pump prototype system and field test site near Knoxville, TN Credit: ...

  19. Adjustable Speed Pumping Applications - Pumping Systems Tip Sheet #11

    SciTech Connect (OSTI)

    2007-01-01

    This two-page tip sheet provides practical tips on application of Adjustable Speed Drives in industrial settings.

  20. Magnetically Coupled Adjustable Speed Motor Drives - Motor Tip Sheet #13

    SciTech Connect (OSTI)

    2008-07-01

    Alternating current electric motors rotate at a nearly constant speed that is determined by motor design and line frequency. Energy savings of 50% or more may be available when fixed speed systems are modified to allow the motor speed to match variable load requirements of a centrifugal fan or pump.

  1. The unstable behavior of low and high-speed compressors

    SciTech Connect (OSTI)

    Day, I.J. . Whittle Lab.); Freeman, C. )

    1994-04-01

    By far the greater part of the understanding about stall and surge in axial compressors comes from work on low-speed laboratory machines. As a general rule, these machines do not model the compressibility effects present in high-speed compressors and therefore doubt has always existed about the application of low-speed results to high-speed machines. In recent years interest in active control has led to a number of studies of compressor stability in engine-type compressors. The instrumentation used in these experiments has been sufficiently detailed that, for the first time, adequate data are available to make direct comparisons between high-speed and low-speed compressors. This paper presents new data from an eight-stage fixed geometry engine compressor and compares then with low-speed laboratory data. The results show remarkable similarities in both the stalling and surging behavior of the two machines, particularly when the engine compressor is run at intermediate speeds. The engine results also show that, as in the laboratory tests, surge is precipitated by the onset of rotating stall. This is true even at very high speeds where it had previously been thought that surge might be the result of a blast wave moving through the compressor. This paper therefore contains new information about high-speed compressors and confirms that low-speed testing is an effective means of obtaining insight into the behavior of high-speed machines.

  2. Lensless magneto-optic speed sensor

    DOE Patents [OSTI]

    Veeser, L.R.; Forman, P.R.; Rodriguez, P.J.

    1998-02-17

    Lensless magneto-optic speed sensor is disclosed. The construction of a viable Faraday sensor has been achieved. Multimode fiber bundles are used to collect the light. If coupled directly into a 100 or 200 {micro}m core fiber, light from a light emitting diode (LED) is sufficient to operate the sensor. In addition, LEDs ensure that no birefringence effects in the input fiber are possible, as the output from such light sources have random polarization. No lens is required since the large diameter optical fibers and thin crystals of materials having high Verdet constants (such as iron garnets) employed permit the collection of a substantial quantity of light. No coupler is required. The maximum amount of light which could reach a detector using a coupler is 25%, while the measured throughput of the fiber-optic bundle without a coupler is about 42%. All of the elements employed in the present sensor are planar, and no particular orientation of these elements is required. The present sensor operates over a wide range of distances from magnetic field sources, and observed signals are large. When a tone wheel is utilized, the signals are independent of wheel speed, and the modulation is observed to be about 75%. No sensitivity to bends in the input or output optical fiber leads was observed. Reliable operation was achieved down to zero frequency, or no wheel rotation. 5 figs.

  3. Lensless Magneto-optic speed sensor

    DOE Patents [OSTI]

    Veeser, Lynn R.; Forman, Peter R.; Rodriguez, Patrick J.

    1998-01-01

    Lensless magneto-optic speed sensor. The construction of a viable Faraday sensor has been achieved. Multimode fiber bundles are used to collect the light. If coupled directly into a 100 or 200 .mu.m core fiber, light from a light emitting diode (LED) is sufficient to operate the sensor. In addition, LEDs ensure that no birefringence effects in the input fiber are possible, as the output from such light sources have random polarization. No lens is required since the large diameter optical fibers and thin crystals of materials having high Verdet constants (such as iron garnets) employed permit the collection of a substantial quantity of light. No coupler is required. The maximum amount of light which could reach a detector using a coupler is 25%, while the measured throughput of the fiber-optic bundle without a coupler is about 42%. All of the elements employed in the present sensor are planar, and no particular orientation of these elements is required. The present sensor operates over a wide range of distances from magnetic field sources, and observed signals are large. When a tone wheel is utilized, the signals are independent of wheel speed, and the modulation is observed to be about 75%. No sensitivity to bends in the input or output optical fiber leads was observed. Reliable operation was achieved down to zero frequency, or no wheel rotation.

  4. Effect of Sea Level Rise on Energy Infrastructure in Four Major

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

    Metropolitan Areas (September 2014) | Department of Energy Effect of Sea Level Rise on Energy Infrastructure in Four Major Metropolitan Areas (September 2014) Effect of Sea Level Rise on Energy Infrastructure in Four Major Metropolitan Areas (September 2014) The Office of Electricity Delivery and Energy Reliability has released findings of a pilot study that explores the feasibility of assessing the impacts of sea level rise on energy infrastructure. The goal of the study was to develop a

  5. Analyzing Energy Infrastructure Exposure to Storm Surge and Sea-Level Rise

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

    | Department of Energy Analyzing Energy Infrastructure Exposure to Storm Surge and Sea-Level Rise Analyzing Energy Infrastructure Exposure to Storm Surge and Sea-Level Rise Analyzing Energy Infrastructure Exposure to Storm Surge and Sea-Level Rise The Office of Electricity Delivery and Energy Reliability (OE) is tasked with assessing risk from all hazards to the nation's energy infrastructure. As part of our commitment to understand the risks from climate change and extreme events and help

  6. 2014-10-10 Issuance: Energy Conservation Standards for Commercial Pre-Rise

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

    Spray Valves; Notice of Comment Extension | Department of Energy 0 Issuance: Energy Conservation Standards for Commercial Pre-Rise Spray Valves; Notice of Comment Extension 2014-10-10 Issuance: Energy Conservation Standards for Commercial Pre-Rise Spray Valves; Notice of Comment Extension Energy Conservation Standards for Commercial Pre-Rise Spray Valves; Notice of Comment Extension prerise_spray_values_commentext.pdf (193.83 KB) More Documents & Publications ISSUANCE 2015-08-21: Energy

  7. Ground water of Yucca Mountain: How high can it rise?; Final report

    SciTech Connect (OSTI)

    1992-12-31

    This report describes the geology, hydrology, and possible rise of the water tables at Yucca Mountain. The possibilities of rainfall and earthquakes causing flooding is discussed.

  8. EA-2020: Energy Efficiency Standards for New Federal Low-Rise...

    Office of Environmental Management (EM)

    0: Energy Efficiency Standards for New Federal Low-Rise Residential Buildings' Baseline Standards Update (RIN 1904-AD56) EA-2020: Energy Efficiency Standards for New Federal...

  9. U.S. Solar Manufacturing Rising on the Horizon | Department of Energy

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

    Solar Manufacturing Rising on the Horizon U.S. Solar Manufacturing Rising on the Horizon January 29, 2015 - 2:35pm Addthis Solar demand in the U.S. is growing, and U.S. solar manufacturing is rising to meet the challenge.| Graphic courtesy of SunShot. Solar demand in the U.S. is growing, and U.S. solar manufacturing is rising to meet the challenge.| Graphic courtesy of SunShot. Dr. Lidija Sekaric Dr. Lidija Sekaric Solar Energy Technologies Office Director It's been a great year for the solar

  10. Effect of Sea Level Rise on Energy Infrastructure in Four Major...

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

    Climate Change and Energy Infrastructure Exposure to Storm Surge and Sea-Level Rise Climate Change and the U.S. Energy Sector: Regional Vulnerabilities and Resilience Solutions ...

  11. Effect of Sea Level Rise on Energy Infrastructure in Four Major...

    Energy Savers [EERE]

    and Energy Reliability has released findings of a pilot study that explores the feasibility of assessing the impacts of sea level rise on energy infrastructure. The goal of...

  12. Argonne OutLoud: Catch a Rising Science Star (Sept. 10, 2015) | Argonne

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

    National Laboratory Catch a Rising Science Star (Sept. 10, 2015) Share Speakers Jason Croy, John Freeland, Marta Garcia Martinex, Elena Slhevchenko Duration 1:14:29

  13. Rising Voices 3: Learning and Doing- Education and Adaptation through Diverse Ways of Knowing

    Broader source: Energy.gov [DOE]

    The Rising Voices workshop, in collaboration with the Engineering for Climate Extremes Partnership, will cover how to improve methods of incorporating resilience and cultural values explicitly in...

  14. FULLY INTEGRATED HIGH SPEED MEGAWATT CLASS MOTOR AND HIGH FREQUENCY VARIABLE SPEED DRIVE SYSTEM

    Broader source: Energy.gov [DOE]

    Clemson University – North Charleston, SC New motor power converter technologies will be used to develop a pre-commercial megawatt class variable speed drive. The fully integrated prototype system will be made by TECO Westinghouse Motor Company in its Round Rock, TX facility and be demonstrated at Clemson’s eGRID Center. Fact sheet coming soon.

  15. Merging of high speed argon plasma jets

    SciTech Connect (OSTI)

    Case, A.; Messer, S.; Brockington, S.; Wu, L.; Witherspoon, F. D.; Elton, R.

    2013-01-15

    Formation of an imploding plasma liner for the plasma liner experiment (PLX) requires individual plasma jets to merge into a quasi-spherical shell of plasma converging on the origin. Understanding dynamics of the merging process requires knowledge of the plasma phenomena involved. We present results from the study of the merging of three plasma jets in three dimensional geometry. The experiments were performed using HyperV Technologies Corp. 1 cm Minirailguns with a preionized argon plasma armature. The vacuum chamber partially reproduces the port geometry of the PLX chamber. Diagnostics include fast imaging, spectroscopy, interferometry, fast pressure probes, B-dot probes, and high speed spatially resolved photodiodes, permitting measurements of plasma density, temperature, velocity, stagnation pressure, magnetic field, and density gradients. These experimental results are compared with simulation results from the LSP 3D hybrid PIC code.

  16. Speeding up biomolecular interactions by molecular sledding

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

    Turkin, Alexander; Zhang, Lei; Marcozzi, Alessio; Mangel, Walter F.; Herrmann, Andreas; van Oijen, Antoine M.

    2015-10-07

    In numerous biological processes associations involve a protein with its binding partner, an event that is preceded by a diffusion-mediated search bringing the two partners together. Often hindered by crowding in biologically relevant environments, three-dimensional diffusion can be slow and result in long bimolecular association times. Moreover, the initial association step between two binding partners often represents a rate-limiting step in biotechnologically relevant reactions. We also demonstrate the practical use of an 11-a.a. DNA-interacting peptide derived from adenovirus to reduce the dimensionality of diffusional search processes and speed up associations between biological macromolecules. We functionalize binding partners with the peptidemore » and demonstrate that the ability of the peptide to one-dimensionally diffuse along DNA results in a 20-fold reduction in reaction time. We also show that modifying PCR primers with the peptide sled enables significant acceleration of standard PCR reactions.« less

  17. Speeding up biomolecular interactions by molecular sledding

    SciTech Connect (OSTI)

    Turkin, Alexander; Zhang, Lei; Marcozzi, Alessio; Mangel, Walter F.; Herrmann, Andreas; van Oijen, Antoine M.

    2015-10-07

    In numerous biological processes associations involve a protein with its binding partner, an event that is preceded by a diffusion-mediated search bringing the two partners together. Often hindered by crowding in biologically relevant environments, three-dimensional diffusion can be slow and result in long bimolecular association times. Moreover, the initial association step between two binding partners often represents a rate-limiting step in biotechnologically relevant reactions. We also demonstrate the practical use of an 11-a.a. DNA-interacting peptide derived from adenovirus to reduce the dimensionality of diffusional search processes and speed up associations between biological macromolecules. We functionalize binding partners with the peptide and demonstrate that the ability of the peptide to one-dimensionally diffuse along DNA results in a 20-fold reduction in reaction time. We also show that modifying PCR primers with the peptide sled enables significant acceleration of standard PCR reactions.

  18. HIGH SPEED KERR CELL FRAMING CAMERA

    DOE Patents [OSTI]

    Goss, W.C.; Gilley, L.F.

    1964-01-01

    The present invention relates to a high speed camera utilizing a Kerr cell shutter and a novel optical delay system having no moving parts. The camera can selectively photograph at least 6 frames within 9 x 10/sup -8/ seconds during any such time interval of an occurring event. The invention utilizes particularly an optical system which views and transmits 6 images of an event to a multi-channeled optical delay relay system. The delay relay system has optical paths of successively increased length in whole multiples of the first channel optical path length, into which optical paths the 6 images are transmitted. The successively delayed images are accepted from the exit of the delay relay system by an optical image focusing means, which in turn directs the images into a Kerr cell shutter disposed to intercept the image paths. A camera is disposed to simultaneously view and record the 6 images during a single exposure of the Kerr cell shutter. (AEC)

  19. High-speed electrical motor evaluation

    SciTech Connect (OSTI)

    Not Available

    1989-02-03

    Under this task, MTI conducted a general review of state-of-the-art high-speed motors. The purpose of this review was to assess the operating parameters, limitations and performance of existing motor designs, and to establish commercial sources for a motor compatible with the requirements of the Brayton-cycle system. After the motor requirements were established, a list of motor types, manufacturers and designs capable of achieving the requisite performance was compiled. This list was based on an in-house evaluation of designs. Following the establishment of these options, a technical evaluation of the designs selected was conducted. In parallel with their evaluations, MTI focused on the establishment of commercial sources.

  20. Slow speed object detection for haul trucks

    SciTech Connect (OSTI)

    2009-09-15

    Caterpillar integrates radar technology with its current camera based system. Caterpillar has developed the Integrated Object Detection System, a slow speed object detection system for mining haul trucks. Object detection is a system that aids the truck operator's awareness of their surroundings. The system consists of a color touch screen display along with medium- and short-range radar as well as cameras, harnesses and mounting hardware. It is integrated into the truck's Work Area Vision System (WAVS). After field testing in 2007, system commercialization began in 2008. Prototype systems are in operation in Australia, Utah and Arizona and the Integrated Object Detection System will be available in the fourth quarter of 2009 and on production trucks 785C, 789C, 793D and 797B. The article is adapted from a presentation by Mark Richards of Caterpillar to the Haulage & Loading 2009 conference, May, held in Phoenix, AZ. 1 fig., 5 photos.

  1. High Speed/ Low Effluent Process for Ethanol

    SciTech Connect (OSTI)

    M. Clark Dale

    2006-10-30

    n this project, BPI demonstrated a new ethanol fermentation technology, termed the High Speed/ Low Effluent (HS/LE) process on both lab and large pilot scale as it would apply to wet mill and/or dry mill corn ethanol production. The HS/LE process allows very rapid fermentations, with 18 to 22% sugar syrups converted to 9 to 11% ethanol beers in 6 to 12 hours using either a consecutive batch or continuous cascade implementation. This represents a 5 to 8X increase in fermentation speeds over conventional 72 hour batch fermentations which are the norm in the fuel ethanol industry today. The consecutive batch technology was demonstrated on a large pilot scale (4,800 L) in a dry mill corn ethanol plant near Cedar Rapids, IA (Xethanol Biofuels). The pilot demonstrated that 12 hour fermentations can be accomplished on an industrial scale in a non-sterile industrial environment. Other objectives met in this project included development of a Low Energy (LE) Distillation process which reduces the energy requirements for distillation from about 14,000 BTU/gal steam ($0.126/gal with natural gas @ $9.00 MCF) to as low as 0.40 KW/gal electrical requirements ($0.022/gal with electricity @ $0.055/KWH). BPI also worked on the development of processes that would allow application of the HS/LE fermentation process to dry mill ethanol plants. A High-Value Corn ethanol plant concept was developed to produce 1) corn germ/oil, 2) corn bran, 3) ethanol, 4) zein protein, and 5) nutritional protein, giving multiple higher value products from the incoming corn stream.

  2. Photodetector having high speed and sensitivity

    DOE Patents [OSTI]

    Morse, Jeffrey D.; Mariella, Jr., Raymond P.

    1991-01-01

    The present invention provides a photodetector having an advantageous combination of sensitivity and speed; it has a high sensitivity while retaining high speed. In a preferred embodiment, visible light is detected, but in some embodiments, x-rays can be detected, and in other embodiments infrared can be detected. The present invention comprises a photodetector having an active layer, and a recombination layer. The active layer has a surface exposed to light to be detected, and comprises a semiconductor, having a bandgap graded so that carriers formed due to interaction of the active layer with the incident radiation tend to be swept away from the exposed surface. The graded semiconductor material in the active layer preferably comprises Al.sub.1-x Ga.sub.x As. An additional sub-layer of graded In.sub.1-y Ga.sub.y As may be included between the Al.sub.1-x Ga.sub.x As layer and the recombination layer. The recombination layer comprises a semiconductor material having a short recombination time such as a defective GaAs layer grown in a low temperature process. The recombination layer is positioned adjacent to the active layer so that carriers from the active layer tend to be swept into the recombination layer. In an embodiment, the photodetector may comprise one or more additional layers stacked below the active and recombination layers. These additional layers may include another active layer and another recombination layer to absorb radiation not absorbed while passing through the first layers. A photodetector having a stacked configuration may have enhanced sensitivity and responsiveness at selected wavelengths such as infrared.

  3. The design, fabrication and maintenance of semi-trailers employed in the highway transport of weight-concentrated radioactive loads

    SciTech Connect (OSTI)

    Huffman, D.S.

    1991-12-31

    Transportation of weight-concentrated radioactive loads by truck is an essential part of a safe and economical nuclear industry. This proposed standard presents guidance and performance criteria for the safe transport of these weight-concentrated radioactive loads. ANSI N14.30 will detail specific requirements for the design, fabrication, testing, in-service inspections, maintenance and certification of the semi-trailers to be employed in said service. Furthermore, guidelines for a quality assurance program are also enumerated. This standard would apply to any semi-trailer that may or may not be specifically designed to carry weight-concentrated loads. Equipment not suitable per the criteria established in the standard would be removed from service. The nature of the nuclear industry and the need for a positive public perception of the various processes and players, mandates that the highway transportation of weight-concentrated radioactive loads be standardized and made inherently safe. This proposed standard takes a giant step in that direction.

  4. Use of co-combustion bottom ash to design an acoustic absorbing material for highway noise barriers

    SciTech Connect (OSTI)

    Arenas, Celia; Leiva, Carlos; Vilches, Luis F.

    2013-11-15

    Highlights: • The particle size of bottom ash influenced the acoustic behavior of the barrier. • The best sound absorption coefficients were measured for larger particle sizes. • The maximum noise absorption is displaced to lower frequencies for higher thickness. • A noise barrier was designed with better properties than commercial products. • Recycling products from bottom ash no present leaching and radioactivity problems. - Abstract: The present study aims to determine and evaluate the applicability of a new product consisting of coal bottom ash mixed with Portland cement in the application of highway noise barriers. In order to effectively recycle the bottom ash, the influence of the grain particle size of bottom ash, the thickness of the panel and the combination of different layers with various particle sizes have been studied, as well as some environmental properties including leachability (EN-12457-4, NEN-7345) and radioactivity tests. Based on the obtained results, the acoustic properties of the final composite material were similar or even better than those found in porous concrete used for the same application. According to this study, the material produced presented no environmental risk.

  5. Coal-fueled high-speed diesel engine development. Final report, September 28, 1990--November 30, 1993

    SciTech Connect (OSTI)

    Kakwani, R.M.; Winsor, R.E.; Ryan, T.W. III; Schwalb, J.A.; Wahiduzzaman, S.; Wilson, R.P. Jr.

    1993-09-01

    The goal of this program was to study the feasibility of operating a Detroit Diesel Series 149 engine at high speeds using a Coal-Water-Slurry (CWS) fuel. The CWS-fueled 149 engine is proposed for the mine-haul off-highway truck and work boat marine markets. Economic analysis studies indicate that, for these markets, the use of CWS fuel could have sufficient operating cost savings, depending upon the future diesel fuel price, emission control system capital and operating costs, and maintenance and overhaul costs. A major portion of the maintenance costs is expected to be due to lower life and higher cost of the CWS injectors. Injection and combustion systems were specially designed for CWS, and were installed in one cylinder of a Detroit Diesel 8V-149TI engine for testing. The objective was to achieve engine operation for sustained periods at speeds up to 1,900 rpm with reasonable fuel economy and coal burnout rate. A computer simulation predicted autoignition of coal fuel at 1,900 rpm would require an average droplet size of 18 microns and 19:1 compression ratio, so the injection system, and pistons were designed accordingly. The injection system was capable of supplying the required volume of CWS/injection with a duration of approximately 25 crank angle degrees and peak pressures on the order of 100 mpa. In addition to the high compression ratio, the combustion system also utilized hot residual gases in the cylinder, warm inlet air admission and ceramic insulated engine components to enhance combustion. Autoignition of CWS fuel was achieved at 1900 rpm, at loads ranging from 20--80 percent of the rated load of diesel-fuel powered cylinders. Limited emissions data indicates coal burnout rates in excess of 99 percent. NO{sub x} levels were significantly lower, while unburned hydrocarbon levels were higher for the CWS fueled cylinder than for corresponding diesel-fuel powered cylinders.

  6. Control of stand alone synchronous generators at optimum speed

    SciTech Connect (OSTI)

    Khor, J.G.; Cirstea, M.N.; McCormick, M.

    1998-07-01

    This paper describes the study and design of an electronic control system which allows diesel engine driven stand alone synchronous generators to operate at optimum speed. A control scheme which can isolate the final output frequency of the system from the effects of speed variations is simulated and designed. The proposed design aims to improve the efficiency of diesel engine driven generators by allowing optimum speed operation.

  7. Variable Speed Pumping: A Guide to Successful Applications - Executive

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

    Summary | Department of Energy Variable Speed Pumping: A Guide to Successful Applications - Executive Summary Variable Speed Pumping: A Guide to Successful Applications - Executive Summary This document describes the cost and energy savings potential of pumping system applications with variable duty requirements. Variable Speed Pumping: A Guide to Successful Applications - Executive Summary (May 2004) (1.09 MB) More Documents & Publications Energy Conservation Program: Test Procedure for

  8. Approach to accurately measuring the speed of optical precursors

    SciTech Connect (OSTI)

    Li Chuanfeng; Zhou Zongquan; Guo Guangcan; Jeong, Heejeong

    2011-10-15

    Precursors can serve as a bound on the speed of information with dispersive medium. We propose a method to identify the speed of optical wave fronts using polarization-based interference in a solid-state device, which can bound the accuracy of the speed of wave fronts to less than 10{sup -4} with conventional experimental conditions. Our proposal may have important implications for optical communications and fast information processing.

  9. Variable Speed Fan Retrofits for Computer Room Air Conditioners |

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

    Department of Energy Variable Speed Fan Retrofits for Computer Room Air Conditioners Variable Speed Fan Retrofits for Computer Room Air Conditioners Case study describes various concepts for more cost-effective cooling solutions in data centers, while keeping in mind that the reliability of computing systems and their respective cooling systems is always a key criterion. Download the Variable Speed Fan Retrofits for Computer Room Air Conditioners case study. (352.57 KB) More Documents &

  10. Vehicle Technologies Office Merit Review 2014: High Speed Joining of

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

    Dissimilar Alloy Aluminum Tailor Welded Blanks | Department of Energy High Speed Joining of Dissimilar Alloy Aluminum Tailor Welded Blanks Vehicle Technologies Office Merit Review 2014: High Speed Joining of Dissimilar Alloy Aluminum Tailor Welded Blanks Presentation given by Pacific Northwest National Laboratory at 2014 DOE Hydrogen and Fuel Cells Program and Vehicle Technologies Office Annual Merit Review and Peer Evaluation Meeting about high speed joining of dissimilar alloy aluminum