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Sample records for boundaries tx ks

  1. Category:Wichita, KS | Open Energy Information

    Open Energy Info (EERE)

    Wichita KS ... 64 KB SVLargeHotel Wichita KS Westar Energy Inc.png SVLargeHotel Wichita K... 59 KB SVLargeOffice Wichita KS Westar Energy Inc.png SVLargeOffice Wichita ... 64 KB...

  2. EIS-0412: TX Energy, LLC, Industrial Gasification Facility Near...

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

    2: TX Energy, LLC, Industrial Gasification Facility Near Beaumont, TX EIS-0412: TX Energy, LLC, Industrial Gasification Facility Near Beaumont, TX February 18, 2009 EIS-0412: ...

  3. Category:Goodland, KS | Open Energy Information

    Open Energy Info (EERE)

    KS Jump to: navigation, search Go Back to PV Economics By Location Media in category "Goodland, KS" The following 16 files are in this category, out of 16 total....

  4. US WSC TX Site Consumption

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

    WSC TX Site Consumption million Btu $0 $500 $1,000 $1,500 $2,000 $2,500 US WSC TX Expenditures dollars ALL ENERGY average per household (excl. transportation) 0 4,000 8,000 12,000 16,000 US WSC TX Site Consumption kilowatthours $0 $500 $1,000 $1,500 $2,000 US WSC TX Expenditures dollars ELECTRICITY ONLY average per household * Texas households consume an average of 77 million Btu per year, about 14% less than the U.S. average. * Average electricity consumption per Texas home is 26% higher than

  5. D&TX

    Office of Legacy Management (LM)

    *. ( ARGONNE RATIONAL 1-Ci3ORATORY . 1 D&TX 7. my 19, 1349 70 t. Z. ROse at L, Em &=i*p~~4 DVur;uM hLl%L ?bvs -Lcs . FReti c. c. Fqpr an2 2. E. sulu+rr fis2 S*crep t & fbQ s-e: of the ?atagel DrFAm%un !! 1 0 * the >rt &Fz=z d t& &men of ScieJce & >&7*-z 4-q 2s'; %rZion 0C the ZLLS~~~ of Science a2 31~52-37 fo2 T&imcyyg c.=A+=< he-< - ,,a uas c:cgetes ALL 12, 1SL9. Z 0 sor;~~,-~-lioi! c.jme s 'm&-go& ~WC& c ",& d*cg&A

  6. DOE - Office of Legacy Management -- Spencer Chemical Co - KS...

    Office of Legacy Management (LM)

    KS 0-01 FUSRAP Considered Sites Site: SPENCER CHEMICAL CO. (KS.0-01 ) Eliminated from ... Also see Documents Related to SPENCER CHEMICAL CO. KS.0-01-1 - Spencer Chemical Company ...

  7. CleanTX Foundation | Open Energy Information

    Open Energy Info (EERE)

    is a stub. You can help OpenEI by expanding it. CleanTX Foundation is a policy organization located in Austin, Texas. References About CleanTX Foundation Retrieved from...

  8. EIS-0412: TX Energy, LLC, Industrial Gasification Facility Near Beaumont,

    Energy Savers [EERE]

    TX | Department of Energy 2: TX Energy, LLC, Industrial Gasification Facility Near Beaumont, TX EIS-0412: TX Energy, LLC, Industrial Gasification Facility Near Beaumont, TX February 18, 2009 EIS-0412: Notice of Intent to Prepare an Environmental Impact Statement Construction of the TX Energy, LLC, Industrial Gasification Facility near Beaumont, Texas

  9. Penitas, TX Natural Gas Pipeline Imports From Mexico (Dollars...

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

    Penitas, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand Cubic Feet) Penitas, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand Cubic Feet) Decade ...

  10. Alamo, TX Natural Gas Pipeline Imports From Mexico (Dollars per...

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

    Alamo, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand Cubic Feet) Alamo, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand Cubic Feet) Decade ...

  11. EDF Industrial Power Services (TX), LLC | Open Energy Information

    Open Energy Info (EERE)

    EDF Industrial Power Services (TX), LLC Jump to: navigation, search Name: EDF Industrial Power Services (TX), LLC Place: Texas Phone Number: 877-432-4530 Website:...

  12. TX-100 manufacturing final project report.

    SciTech Connect (OSTI)

    Ashwill, Thomas D.; Berry, Derek S.

    2007-11-01

    This report details the work completed under the TX-100 blade manufacturing portion of the Carbon-Hybrid Blade Developments: Standard and Twist-Coupled Prototype project. The TX-100 blade is a 9 meter prototype blade designed with bend-twist coupling to augment the mitigation of peak loads during normal turbine operation. This structural coupling was achieved by locating off axis carbon fiber in the outboard portion of the blade skins. The report will present the tooling selection, blade production, blade instrumentation, blade shipping and adapter plate design and fabrication. The baseline blade used for this project was the ERS-100 (Revision D) wind turbine blade. The molds used for the production of the TX-100 were originally built for the production of the CX-100 blade. The same high pressure and low pressure skin molds were used to manufacture the TX-100 skins. In order to compensate for the difference in skin thickness between the CX-100 and the TX-100, however, a new TX-100 shear web plug and mold were required. Both the blade assembly fixture and the root stud insertion fixture used for the CX-100 blades could be utilized for the TX-100 blades. A production run of seven TX-100 prototype blades was undertaken at TPI Composites during the month of October, 2004. Of those seven blades, four were instrumented with strain gauges before final assembly. After production at the TPI Composites facility in Rhode Island, the blades were shipped to various test sites: two blades to the National Wind Technology Center at the National Renewable Energy Laboratory in Boulder, Colorado, two blades to Sandia National Laboratory in Albuquerque, New Mexico and three blades to the United States Department of Agriculture turbine field test facility in Bushland, Texas. An adapter plate was designed to allow the TX-100 blades to be installed on existing Micon 65/13M turbines at the USDA site. The conclusion of this program is the kick-off of the TX-100 blade testing at the three testing facilities.

  13. ARM - Field Campaign - TX-2002 AIRS Validation Campaign

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

    govCampaignsTX-2002 AIRS Validation Campaign Comments? We would love to hear from you Send us a note below or call us at 1-888-ARM-DATA. Send Campaign : TX-2002 AIRS Validation...

  14. RAPID/Roadmap/6-TX-b | Open Energy Information

    Open Energy Info (EERE)

    Permitting Information Desktop Toolkit BETA About Bulk Transmission Geothermal Hydropower Solar Tools Contribute Contact Us Construction Storm Water Permit (6-TX-b) The Texas...

  15. RAPID/Roadmap/19-TX-a | Open Energy Information

    Open Energy Info (EERE)

    Toolkit BETA About Bulk Transmission Geothermal Hydropower Solar Tools Contribute Contact Us Water Access and Water Rights Overview (19-TX-a) In the late 1960's Texas...

  16. RAPID/Roadmap/14-TX-d | Open Energy Information

    Open Energy Info (EERE)

    Toolkit BETA About Bulk Transmission Geothermal Hydropower Solar Tools Contribute Contact Us 401 Water Quality Certification (14-TX-d) Section 401 of the Clean Water Act (CWA)...

  17. RAPID/Roadmap/11-TX-b | Open Energy Information

    Open Energy Info (EERE)

    Toolkit BETA About Bulk Transmission Geothermal Hydropower Solar Tools Contribute Contact Us Human Remains Process (11-TX-b) This flowchart illustrates the procedure a...

  18. RAPID/Roadmap/11-TX-a | Open Energy Information

    Open Energy Info (EERE)

    thumbnail: Page number not in range. Flowchart Narrative 11-TX-a.1 - Have Potential Human Remains Been Discovered? If the developer discovers potential human remains during any...

  19. RAPID/Roadmap/3-TX-i | Open Energy Information

    Open Energy Info (EERE)

    construction plans on the leased asset; Permission for the representatives of TxDOT to enter the area for inspection, maintenance, or reconstruction of highway facilities as...

  20. RAPID/Roadmap/15-TX-a | Open Energy Information

    Open Energy Info (EERE)

    BETA About Bulk Transmission Geothermal Hydropower Solar Tools Contribute Contact Us Air Quality Permit - Permit to Construct (15-TX-a) This flowchart illustrates the general...

  1. RAPID/Roadmap/11-TX-c | Open Energy Information

    Open Energy Info (EERE)

    11-TX-c.2 - Does the Project Area Contain a Recorded Archaeological Site? However, oil, gas, or other mineral exploration, production, processing, marketing, refining, or...

  2. ,"Alamo, TX Natural Gas Pipeline Imports From Mexico (MMcf)"

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

    Alamo, TX Natural Gas Pipeline Imports From Mexico (MMcf)" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Latest Data...

  3. RAPID/Roadmap/6-TX-a | Open Energy Information

    Open Energy Info (EERE)

    must obtain the proper oversizeoverweight permit from the Texas Department of Motor Vehicles (TxDMV). 06TXAExtraLegalVehiclePermittingProcess.pdf Error creating...

  4. Hanford Single Shell Tank Leak Causes and Locations - 241-TX Farm

    SciTech Connect (OSTI)

    Girardot, C. L.; Harlow, D> G.

    2014-07-22

    This document identifies 241-TX Tank Farm (TX Farm) leak causes and locations for the 100 series leaking tanks (241-TX-107 and 241-TX-114) identified in RPP-RPT-50870, Rev. 0, Hanford 241-TX Farm Leak Inventory Assessment Report. This document satisfies the TX Farm portion of the target (T04) in the Hanford Federal Facility Agreement and Consent Order milestone M-045-91F.

  5. Control of Well KS-8 in the Kilauea Lower East Rift Zone | Open...

    Open Energy Info (EERE)

    Control of Well KS-8 in the Kilauea Lower East Rift Zone Jump to: navigation, search OpenEI Reference LibraryAdd to library Conference Paper: Control of Well KS-8 in the Kilauea...

  6. Penitas, TX Natural Gas Pipeline Exports to Mexico (Million Cubic...

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

    Million Cubic Feet) Penitas, TX Natural Gas Pipeline Exports to Mexico (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 252 1,324 824 1,017 871 770 ...

  7. Freeport, TX Liquefied Natural Gas Exports to Mexico (Million...

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

    Mexico (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Exports to Mexico (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2013 2,725 - No Data ...

  8. Eagle Pass, TX Natural Gas Pipeline Exports to Mexico (Million...

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

    Million Cubic Feet) Eagle Pass, TX Natural Gas Pipeline Exports to Mexico (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 159 155 151 135 135 127 118 ...

  9. Galvan Ranch, TX Natural Gas Pipeline Imports From Mexico (Million...

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

    Million Cubic Feet) Galvan Ranch, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 12 40 77 59 55 47 43 41 ...

  10. Laredo, TX Liquefied Natural Gas Exports to Mexico (Million Cubic...

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

    Million Cubic Feet) Laredo, TX Liquefied Natural Gas Exports to Mexico (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2015 0.512 0.497 2016 2.732 - No ...

  11. Freeport, TX Liquefied Natural Gas Exports to South Korea (Million...

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

    South Korea (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Exports to South Korea (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 3,157 ...

  12. Price Liquefied Freeport, TX Natural Gas Exports Price to Japan...

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

    Japan (Dollars per Thousand Cubic Feet) Price Liquefied Freeport, TX Natural Gas Exports Price to Japan (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4...

  13. TxDOT Access Management Manual | Open Energy Information

    Open Energy Info (EERE)

    Access Management Manual Jump to: navigation, search OpenEI Reference LibraryAdd to library Legal Document- OtherOther: TxDOT Access Management ManualLegal Abstract Manual prepared...

  14. RAPID/Roadmap/12-TX-a | Open Energy Information

    Open Energy Info (EERE)

    Contribute Contact Us State Biological Resource Considerations (12-TX-a) In Texas, no person may capture, trap, take, or kill, or attempt to capture, trap, take, or kill,...

  15. RAPID/Roadmap/19-TX-e | Open Energy Information

    Open Energy Info (EERE)

    will not interfere with other water rights. 19-TX-e Temporary Surface Water Permit.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number...

  16. RAPID/Roadmap/3-TX-e | Open Energy Information

    Open Energy Info (EERE)

    the leasing process. 03-TX-e - Lease of Texas Parks & Wildlife Department Land (1).pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number...

  17. RAPID/Roadmap/19-TX-b | Open Energy Information

    Open Energy Info (EERE)

    19-TX-b.6 - Does the Developer Own the Overlying Land? In Texas, the right to acquire and pump ground water is tied to the ownership of the land overlying the groundwater aquifer....

  18. Alamo, TX Natural Gas Pipeline Exports to Mexico (Million Cubic...

    Gasoline and Diesel Fuel Update (EIA)

    individual company data. Release Date: 09302015 Next Release Date: 10302015 Referring Pages: U.S. Natural Gas Pipeline Exports by Point of Exit Alamo, TX Natural Gas Exports to...

  19. McAllen, TX Natural Gas Pipeline Imports From Mexico (Dollars...

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

    McAllen, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand Cubic Feet) McAllen, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand Cubic Feet) Decade ...

  20. File:03-TX-g - Lease of Relinquishment Act Lands.pdf | Open Energy...

    Open Energy Info (EERE)

    TX-g - Lease of Relinquishment Act Lands.pdf Jump to: navigation, search File File history File usage Metadata File:03-TX-g - Lease of Relinquishment Act Lands.pdf Size of this...

  1. File:03-TX-f - Lease of Land Trade Lands.pdf | Open Energy Information

    Open Energy Info (EERE)

    TX-f - Lease of Land Trade Lands.pdf Jump to: navigation, search File File history File usage Metadata File:03-TX-f - Lease of Land Trade Lands.pdf Size of this preview: 463 599...

  2. Price of San Elizario, TX Natural Gas Pipeline Exports to Mexico...

    Gasoline and Diesel Fuel Update (EIA)

    Price of San Elizario, TX Natural Gas Pipeline Exports to Mexico (Dollars per Thousand Cubic Feet) Price of San Elizario, TX Natural Gas Pipeline Exports to Mexico (Dollars per...

  3. File:03-TX-e - Lease of Texas Parks & Wildlife Department Land...

    Open Energy Info (EERE)

    3-TX-e - Lease of Texas Parks & Wildlife Department Land (1).pdf Jump to: navigation, search File File history File usage Metadata File:03-TX-e - Lease of Texas Parks & Wildlife...

  4. Clint, TX Natural Gas Pipeline Exports to Mexico (Million Cubic...

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

    Million Cubic Feet) Clint, TX Natural Gas Pipeline Exports to Mexico (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 8,088 6,402 7,296 6,783 8,836 ...

  5. Freeport, TX Liquefied Natural Gas Exports (Million Cubic Feet)

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

    (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Exports (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 2 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 04/29/2016 Next Release Date: 05/31/2016 Referring Pages: U.S.

  6. Freeport, TX Liquefied Natural Gas Exports (Million Cubic Feet)

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

    (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Exports (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2013 2,725 2014 2,664 2015 2,805 2,728 2,947 3,145 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 04/29/2016 Next Release Date: 05/31/2016 Referring Pages: U.S.

  7. Freeport, TX Liquefied Natural Gas Exports Price (Dollars per Thousand

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

    Cubic Feet) Price (Dollars per Thousand Cubic Feet) Freeport, TX Liquefied Natural Gas Exports Price (Dollars per Thousand Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2016 10.00 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 04/29/2016 Next Release Date: 05/31/2016 Referring Pages: U.S. Price of

  8. Rotary mode core sampling approved checklist: 241-TX-113

    SciTech Connect (OSTI)

    Fowler, K.D.

    1998-08-03

    The safety assessment for rotary mode core sampling was developed using certain bounding assumptions, however, those assumptions were not verified for each of the existing or potential flammable gas tanks. Therefore, a Flammable Gas/Rotary Mode Core Sampling Approved Checklist has been completed for tank 241-TX-113 prior to sampling operations. This transmittal documents the dispositions of the checklist items from the safety assessment.

  9. Rotary mode core sampling approved checklist: 241-TX-116

    SciTech Connect (OSTI)

    FOWLER, K.D.

    1999-02-24

    The safety assessment for rotary mode core sampling was developed using certain bounding assumptions, however, those assumptions were not verified for each of the existing or potential flammable gas tanks. Therefore, a Flammable Gas/Rotary Mode Core Sampling Approved Checklist has been completed for tank 241-TX-116 prior to sampling operations. This transmittal documents the dispositions of the checklist items from the safety assessment.

  10. Albany, OR * Fairbanks, AK * Morgantown, WV * Pittsburgh, PA * Sugarland, TX

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

    Sugarland, TX Website: www.netl.doe.gov Customer Service: 1-800-553-7681 Enhanced Oil Recovery Program The mission of the Enhanced Oil Recovery Program is to provide information and technologies that will assure sustainable, reliable, affordable, and environmentally sound supplies of domestic oil resources. The Strategic Center for Natural Gas and Oil (SCNGO) seeks to accomplish this critical mission by advancing environmentally responsible technological solutions that enhance recovery of oil

  11. File:USDA-CE-Production-GIFmaps-KS.pdf | Open Energy Information

    Open Energy Info (EERE)

    KS.pdf Jump to: navigation, search File File history File usage Kansas Ethanol Plant Locations Size of this preview: 776 600 pixels. Full resolution (1,650 1,275 pixels,...

  12. Climate Action Champions: Mid-America Regional Council, KS and MO |

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

    Department of Energy Mid-America Regional Council, KS and MO Climate Action Champions: Mid-America Regional Council, KS and MO The Mid-America Regional Council (MARC) is a nonprofit association of city and county governments and the metropolitan planning organization for the bistate Kansas City region. They provide a forum for the region to work together to advance social, economic and environmental progress. MARC received the Climate Action Champion designation in consortium with the City

  13. DOE Zero Energy Ready Home Case Study: M Street Homes, Houston, TX |

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

    Department of Energy M Street Homes, Houston, TX DOE Zero Energy Ready Home Case Study: M Street Homes, Houston, TX DOE Zero Energy Ready Home Case Study: M Street Homes, Houston, TX Case study of a DOE Zero Energy Ready home in Houston, TX, that achieves a HERS 45 without PV or HERS 32 with 1.2 kW PV. The three-story, 4,507-ft2 custom home is powered by a unique tri-generation system that supplies all of the home's electricity, heating, and cooling on site. The tri-generator is powered by a

  14. Microsoft Word - TX-100 Final Report - SAND2007-6066.doc

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

    Manager: Tom Ashwill Abstract This report details the work completed under the TX-100 blade manufacturing portion of the Carbon-Hybrid Blade Developments: Standard and...

  15. CX-100 and TX-100 blade field tests.

    SciTech Connect (OSTI)

    Holman, Adam (USDA-Agriculture Research Service, Bushland, TX); Jones, Perry L.; Zayas, Jose R.

    2005-12-01

    In support of the DOE Low Wind Speed Turbine (LWST) program two of the three Micon 65/13M wind turbines at the USDA Agricultural Research Service (ARS) center in Bushland, Texas will be used to test two sets of experimental blades, the CX-100 and TX-100. The blade aerodynamic and structural characterization, meteorological inflow and wind turbine structural response will be monitored with an array of 75 instruments: 33 to characterize the blades, 15 to characterize the inflow, and 27 to characterize the time-varying state of the turbine. For both tests, data will be sampled at a rate of 30 Hz using the ATLAS II (Accurate GPS Time-Linked Data Acquisition System) data acquisition system. The system features a time-synchronized continuous data stream and telemetered data from the turbine rotor. This paper documents the instruments and infrastructure that have been developed to monitor these blades, turbines and inflow.

  16. File:USDA-CE-Production-GIFmaps-TX.pdf | Open Energy Information

    Open Energy Info (EERE)

    TX.pdf Jump to: navigation, search File File history File usage Texas Ethanol Plant Locations Size of this preview: 776 600 pixels. Full resolution (1,650 1,275 pixels,...

  17. TxDOT - Right of Way Forms webpage | Open Energy Information

    Open Energy Info (EERE)

    Right of Way Forms webpage Jump to: navigation, search OpenEI Reference LibraryAdd to library Web Site: TxDOT - Right of Way Forms webpage Abstract This webpage provides the...

  18. Freeport, TX Liquefied Natural Gas Exports to Egypt (Million Cubic Feet)

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

    Egypt (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Exports to Egypt (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2015 2,947 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 04/29/2016 Next Release Date: 05/31/2016 Referring Pages: U.S. Liquefied Natural Gas Exports by Point of Exit Freeport, TX Liquefied Natural Gas Exports to Egypt

  19. Freeport, TX Liquefied Natural Gas Exports to Turkey (Million Cubic Feet)

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

    Turkey (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Exports to Turkey (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2015 3,145 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 04/29/2016 Next Release Date: 05/31/2016 Referring Pages: U.S. Liquefied Natural Gas Exports by Point of Exit Freeport, TX Liquefied Natural Gas Exports to Turkey

  20. MARS-KS code validation activity through the atlas domestic standard problem

    SciTech Connect (OSTI)

    Choi, K. Y.; Kim, Y. S.; Kang, K. H.; Park, H. S.; Cho, S.

    2012-07-01

    The 2 nd Domestic Standard Problem (DSP-02) exercise using the ATLAS integral effect test data was executed to transfer the integral effect test data to domestic nuclear industries and to contribute to improving the safety analysis methodology for PWRs. A small break loss of coolant accident of a 6-inch break at the cold leg was determined as a target scenario by considering its technical importance and by incorporating interests from participants. Ten calculation results using MARS-KS code were collected, major prediction results were described qualitatively and code prediction accuracy was assessed quantitatively using the FFTBM. In addition, special code assessment activities were carried out to find out the area where the model improvement is required in the MARS-KS code. The lessons from this DSP-02 and recommendations to code developers are described in this paper. (authors)

  1. NREL Helps Greensburg, KS Launch GreenHome Partnership - News Releases |

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

    NREL Helps Greensburg, KS Launch GreenHome Partnership KBIA's partnership with Greensburg is a model for communities needing to rebuild April 28, 2009 The U.S. Department of Energy's (DOE) National Renewable Energy Laboratory (NREL), in collaboration with the City Council of Greensburg, Kansas, and the Kansas Building Industry Association (KBIA), announce the launch of Greensburg GreenHome Residential Green Building Program. Greensburg GreenHome is a voluntary program with KBIA and supported

  2. RCRA Assessment Plan for Single-Shell Tank Waste Management Area TX-TY

    SciTech Connect (OSTI)

    Horton, Duane G.

    2007-03-26

    WMA TX-TY contains underground, single-shell tanks that were used to store liquid waste that contained chemicals and radionuclides. Most of the liquid has been removed, and the remaining waste is regulated under the RCRA as modi¬fied in 40 CFR Part 265, Subpart F and Washington State’s Hazardous Waste Management Act . WMA TX-TY was placed in assessment monitoring in 1993 because of elevated specific conductance. A groundwater quality assessment plan was written in 1993 describing the monitoring activities to be used in deciding whether WMA TX-TY had affected groundwater. That plan was updated in 2001 for continued RCRA groundwater quality assessment as required by 40 CFR 265.93 (d)(7). This document further updates the assessment plan for WMA TX-TY by including (1) information obtained from ten new wells installed at the WMA after 1999 and (2) information from routine quarterly groundwater monitoring during the last five years. Also, this plan describes activities for continuing the groundwater assessment at WMA TX TY.

  3. Freeport, TX Exports to India Liquefied Natural Gas (Million Cubic Feet)

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

    Exports to India Liquefied Natural Gas (Million Cubic Feet) Freeport, TX Exports to India Liquefied Natural Gas (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 3,120 2,873 2012 3,004 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 04/29/2016 Next Release Date: 05/31/2016 Referring Pages: U.S. Liquefied Natural Gas Exports by Point of Exit Freeport, TX Liquefied Natural Gas

  4. Freeport, TX Liquefied Natural Gas Imports From Peru (Million Cubic Feet)

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

    From Peru (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Imports From Peru (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 3,175 3,338 3,262 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S. Liquefied Natural Gas Imports by Point of Entry Freeport, TX LNG Imports from Peru

  5. Freeport, TX Liquefied Natural Gas Imports from Norway (Million Cubic Feet)

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

    Norway (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Imports from Norway (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2013 2,709 2,918 2015 5,992 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S. Liquefied Natural Gas Imports by Point of Entry Freeport, TX LNG Imports from Norway

  6. Freeport, TX Liquefied Natural Gas Imports from Yemen (Million Cubic Feet)

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

    Yemen (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Imports from Yemen (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 2,869 3,108 2012 2,979 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S. Liquefied Natural Gas Imports by Point of Entry Freeport, TX LNG Imports from Yemen

  7. Freeport, TX Natural Gas LNG Imports (Price) From Nigeria (Dollars per

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

    Thousand Cubic Feet) Freeport, TX Natural Gas LNG Imports (Price) From Nigeria (Dollars per Thousand Cubic Feet) Freeport, TX Natural Gas LNG Imports (Price) From Nigeria (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- -- -- 2010's 6.43 -- -- -- -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date:

  8. Freeport, TX Natural Gas Liquefied Natural Gas Imports (Million Cubic Feet)

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

    (Million Cubic Feet) Freeport, TX Natural Gas Liquefied Natural Gas Imports (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2014 2,703 2,994 2015 5,992 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S. Liquefied Natural Gas Imports by Point of Entry Freeport, TX LNG Imports from All Countries

  9. Freeport, TX Natural Gas Liquefied Natural Gas Imports from Egypt (Million

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

    Cubic Feet) Egypt (Million Cubic Feet) Freeport, TX Natural Gas Liquefied Natural Gas Imports from Egypt (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 2,969 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S. Liquefied Natural Gas Imports by Point of Entry Freeport, TX LNG Imports from Egypt

  10. Freeport, TX Natural Gas Liquefied Natural Gas Imports from Other Countries

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

    (Million Cubic Feet) Other Countries (Million Cubic Feet) Freeport, TX Natural Gas Liquefied Natural Gas Imports from Other Countries (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2014 2,703 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S. Liquefied Natural Gas Imports by Point of Entry Freeport, TX LNG Imports from

  11. Golden Pass, TX Natural Gas Liquefied Natural Gas Imports (price) (Dollars

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

    per Thousand Cubic Feet) Golden Pass, TX Natural Gas Liquefied Natural Gas Imports (price) (Dollars per Thousand Cubic Feet) Golden Pass, TX Natural Gas Liquefied Natural Gas Imports (price) (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- -- -- 2010's 7.90 5.36 -- -- -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next

  12. McAllen, TX Natural Gas Pipeline Exports to Mexico (Million Cubic...

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

    Million Cubic Feet) McAllen, TX Natural Gas Pipeline Exports to Mexico (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 4,414 4,236 5,595 6,174 4,938 ...

  13. DOE Zero Energy Ready Home Case Study: M Street Homes, Houston, TX

    Broader source: Energy.gov [DOE]

    Case study of a DOE Zero Energy Ready home in Houston, TX, that achieves a HERS 45 without PV or HERS 32 with 1.2 kW PV. The three-story, 4,507-ft2 custom home is powered by a unique tri-generation...

  14. DOE Zero Energy Ready Home Case Study: Sterling Brook Custom Homes, Double Oak, TX

    Broader source: Energy.gov [DOE]

    Case study of a DOE Zero Energy Ready home in Double Oak, TX, north of Dallas, that scored a HERS 44 without PV. The 3,752-ft2 two-story home served as an energy-efficient model home for the custom...

  15. El Paso, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet)

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

    Million Cubic Feet) El Paso, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's 996 NA 2000's NA NA NA - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S.

  16. Penitas, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet)

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

    Million Cubic Feet) Penitas, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's 253 40 NA 2000's NA NA NA - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S.

  17. Albany, OR * Anchorage, AK * Morgantown, WV * Pittsburgh, PA * Sugar Land, TX

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

    Training Center CONTACTS Traci Rodosta Carbon Storage Technology Manager National Energy Technology Laboratory 3610 Collins Ferry Road PO Box 880 Morgantown, WV 26507 304-285-1345 traci.rodosta@netl.doe.gov Andrea Dunn Project Manager National Energy Technology Laboratory 626 Cochrans Mill Road P.O. Box 10940 Pittsburgh, PA 15236 412-386-7594 andrea.dunn@netl.doe.gov Hilary Olson Project Director/Principal Investigator University of Texas at Austin 1 University Station, C0300 Austin, TX

  18. Effects of finite volume on the KL – KS mass difference

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

    Christ, N.  H.; Feng, X.; Martinelli, G.; Sachrajda, C.  T.

    2015-06-24

    Phenomena that involve two or more on-shell particles are particularly sensitive to the effects of finite volume and require special treatment when computed using lattice QCD. In this paper we generalize the results of Lüscher and Lellouch and Lüscher, which determine the leading-order effects of finite volume on the two-particle spectrum and two-particle decay amplitudes to determine the finite-volume effects in the second-order mixing of the K⁰ and K⁰⁻ states. We extend the methods of Kim, Sachrajda, and Sharpe to provide a direct, uniform treatment of these three, related, finite-volume corrections. In particular, the leading, finite-volume corrections to the KLmore » – KS mass difference ΔMK and the CP-violating parameter εK are determined, including the potentially large effects which can arise from the near degeneracy of the kaon mass and the energy of a finite-volume, two-pion state.« less

  19. AmeriFlux US-KS2 Kennedy Space Center (scrub oak)

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

    Drake, Bert [Smithsonian Environmental Research Center; Hinkle, Ross [University of Central Florida

    2016-01-01

    This is the AmeriFlux version of the carbon flux data for the site US-KS2 Kennedy Space Center (scrub oak). Site Description - The Kennedy Space Center Scrub Oak site is located within the Merritt Island National Wildlife Refuge at the Kennedy Space Center (KSC) on the east coast of central Florida. Situated in a 10 ha scrub oak ecosystem, the surrounding stand was completely burned by a prescribed fire in 1996. The purpose of the burn was to control understory fuel load, which has been a common practice since 1969. Within a few weeks of the 1996 burn, the stand began to naturally regenerate from roots and rhizomes. Most scrub oak stands in the region undergo a 7 to 10 year disturbance cycle, mostly related to fire or hurricane activity. A severe drought gripped most of Florida beginning in 1998 until the later half of 2001 resulting in four years of relatively low amount of annual rainfall. Exceptionally high annual rainfall amount in 2004 was the result of a pair of hurricanes that hit the area in August and September of 2004. Prevaling wind directions for the site are as follows: W to NW in the winter, afternoon E sea breeze in the summer.

  20. AmeriFlux US-KS1 Kennedy Space Center (slash pine)

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

    Drake, Bert [Smithsonian Environmental Research Center; Hinkle, Ross [University of Central Florida

    2016-01-01

    This is the AmeriFlux version of the carbon flux data for the site US-KS1 Kennedy Space Center (slash pine). Site Description - The Kennedy Space Center Slash Pine Flatwoods site is located in the Merritt Island National Wildlife Refuge at the Kennedy Space Center (KSC) on the east coast of central Florida. Occupying 310 ha of local forest, the slash pine flatwoods ecosystem is managed as an uneven-aged stand with a sparsely populated overstory and a dense oak-dominated understory. Disturbances tend to occur on a 7 to 10 year cycle, mostly related to fire or hurricane activity. Prescribed fires have been conducted since 1969 to control understory fuel. The most recent burn was conducted in February of 1995. Following the burn, the stand was allowed to naturally regenerate into a open canopy of slash pines, less than 15% of canopy coverage ( on the order of 15-30 trees per ha), with a understory mostly composed of saw palmetto and scrub oak. There was a seasonally wet swale to the southeast that was on the margin of the flux tower footprint. A severe drought gripped most of Florida beginning in 1998 until the later half of 2001 resulting in four years of relatively low annual precipitation totals. Exceptionally high annual rainfall amounts in 2004 were the result of a pair of hurricanes that hit the area in August and September of 2004. Wind directions for the site are as follows: W and NW in the winter, afternoon E sea breeze in the summer.

  1. Texas A&M University College Station, TX 77843-3366

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

    MS #3366 Texas A&M University College Station, TX 77843-3366 Ph: 979-845-1411 Fax: 979-458-3213 Beam Time Request Form In order to be scheduled you must fill in and return this form by FAX (979-458-3213) or email to Henry Clark (clark@comp.tamu.edu) TO SCHEDULE CYCLOTRON TIME: Please indicate in the appropriate spaces below the number of 8 hour shifts you need, your preferred start date and the beams you intend to use. Since we cannot always schedule your preferred start date, please also

  2. El Paso, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand

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

    Cubic Feet) Dollars per Thousand Cubic Feet) El Paso, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's 2.09 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S. Price of

  3. Freeport, TX Liquefied Natural Gas Exports to Brazil (Million Cubic Feet)

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

    to Brazil (Million Cubic Feet) Freeport, TX Liquefied Natural Gas Exports to Brazil (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 2,581 2012 2,601 2,644 2,897 2014 2,664 2015 2,805 2,728 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 04/29/2016 Next Release Date: 05/31/2016 Referring Pages: U.S.

  4. Freeport, TX Natural Gas Liquefied Natural Gas Imports from Trinidad and

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

    Tobago (Million Cubic Feet) Trinidad and Tobago (Million Cubic Feet) Freeport, TX Natural Gas Liquefied Natural Gas Imports from Trinidad and Tobago (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 2,706 2012 2,872 2014 2,994 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S. Liquefied Natural Gas Imports by Point of

  5. Golden Pass, TX Natural Gas Liquefied Natural Gas Imports from Qatar

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

    (Million Cubic Feet) from Qatar (Million Cubic Feet) Golden Pass, TX Natural Gas Liquefied Natural Gas Imports from Qatar (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 3,902 4,896 4,100 18,487 4,900 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S.

  6. Hidalgo, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet)

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

    Million Cubic Feet) Hidalgo, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's 13,609 17,243 13,496 41,879 2000's 2,093 7,292 782 0 0 1,342 967 5,259 1,201 284 2010's 62 0 0 0 0 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S.

  7. Price Liquefied Freeport, TX Natural Gas Exports Price to United Kingdom

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

    (Dollars per Thousand Cubic Feet) United Kingdom (Dollars per Thousand Cubic Feet) Price Liquefied Freeport, TX Natural Gas Exports Price to United Kingdom (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- -- -- 2010's 7.56 -- -- -- -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 04/29/2016 Next Release Date: 05/31/2016 Referring

  8. McAllen, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet)

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

    Million Cubic Feet) McAllen, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's NA NA 2000's 1,118 NA 402 0 0 5,322 7,902 26,605 20,115 12,535 2010's 2,520 0 0 0 0 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S.

  9. Alamo, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet)

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

    Million Cubic Feet) Alamo, TX Natural Gas Pipeline Imports From Mexico (Million Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's NA 12,651 2000's 8,390 2,984 571 0 0 2,656 3,880 22,197 20,653 13,279 2010's 4,685 0 0 0 0 - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016 Referring Pages: U.S.

  10. Albany, OR * Archorage, AK * Morgantown, WV * Pittsburgh, PA * Sugar Land, TX

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

    Archorage, AK * Morgantown, WV * Pittsburgh, PA * Sugar Land, TX Website: www.netl.doe.gov Customer Service: 1-800-553-7681 R& D FAC T S Geological & Environmental Sciences CONTACTS OFFICE OF RESEARCH AND DEVELOPMENT Kelly Rose Principal Investigator Research Physical Scientist 541-967-5883 kelly.rose@netl.doe.gov Jennifer Bauer Geospatial Researcher 541-918-4507 jennifer.bauer@contr.netl.doe.gov Cynthia Powell Acting Focus Area Lead 541-967-5803 cynthia.powell@netl.doe.gov RESEARCH

  11. Cost-effectiveness analysis of TxDOT LPG fleet conversion. Volume 1. Interim research report

    SciTech Connect (OSTI)

    Euritt, M.A.; Taylor, D.B.; Mahmassani, H.

    1992-10-01

    Increased emphasis on energy efficiency and air quality has resulted in a number of state and federal initiatives examining the use of alternative fuels for motor vehicles. Texas' program for alternate fuels includes liquefied petroleum gas (LPG). Based on an analysis of 30-year life-cycle costs, development of a propane vehicle program for the Texas Department of Transportation (TxDOT) would cost about $24.3 million (in 1991 dollars). These costs include savings from lower-priced LPG and differentials between propane and gasoline/diesel in infrastructure costs for a fueling station, vehicle costs, and operating costs. The 30-year life-cycle costs translate into an average annual vehicle cost increase of $308, or about 2.5 cents more per vehicle mile of travel. Sensitivity analyses are performed on the discount rate, price of propane, maintenance savings, vehicle utilization, diesel vehicles, extended vehicle life, original equipment manufacturer (OEM) vehicles, and operating and infrastructure costs. The best results are obtained when not converting diesel vehicles, converting only large fleets, and extending the period the vehicle is kept in service. Combining these factors yields results that are most cost-effective for TxDOT. This is volume one of two volumes.

  12. Cost-effectiveness analysis of TxDOT LPG fleet conversion. Volume 2. Interim research report

    SciTech Connect (OSTI)

    Euritt, M.A.; Taylor, D.B.; Mahmassani, H.

    1992-11-01

    Increased emphasis on energy efficiency and air quality has resulted in a number of state and federal initiatives examining the use of alternative fuels for motor vehicles. Texas' program for alternate fuels includes liquefied petroleum gas (LPG), commonly called propane. Based on an analysis of 30-year life-cycle costs, development of a propane vehicle program for the Texas Department of Transportation (TxDOT) would cost about $24.3 million (in 1991 dollars). These costs include savings from lower-priced propane and differentials between propane and gasoline/diesel in infrastructure costs, vehicle costs, and operating costs. The 30-year life-cycle costs translate into an average annual vehicle cost increase of $308, or about 2.5 cents more per vehicle mile of travel. Based on the cost-effectiveness analysis and assumptions, there are currently no TxDOT locations that can be converted to propane without additional financial outlays. This is volume two of two volumes.

  13. Observation of a narrow structure in 1H(?,KS0)X via interference with phi-meson production

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

    Amaryan, M J; Nepali, C; Polyakov, M V; Azimov, Ya; Briscoe, W J; Dodge, G E; Hyde, C E; Klein, F; Kuznetsov, V; Strakovsky, I

    2012-03-21

    We report observation of a narrow peak structure at ?1.54 GeV with a Gaussian width ? = 6 MeV in the missing mass of KS in the reaction ? + p ? pKSKL. The observed structure may be due to the interference between a strange (or antistrange) baryon resonance in the pKL system and the ?(KSKL) photoproduction leading to the same final state. The statistical significance of the observed excess of events estimated as the log-likelihood ratio of the resonant signal + background hypothesis and the ?-production-based background-only hypothesis corresponds to 5.3?.

  14. Observation of a narrow structure in 1 H( γ , KS0 ) X via interference with φ -meson production

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

    Amaryan, M. J.; Gavalian, G.; Nepali, C.; Polyakov, M. V.; Azimov, Ya.; Briscoe, W. J.; Dodge, G. E.; Hyde, C. E.; Klein, F.; Kuznetsov, V.; et al

    2012-03-01

    We report observation of a narrow peak structure at ≈1.54 GeV with a Gaussian width σ = 6 MeV in the missing mass of KS in the reaction γ + p → pKSKL. The observed structure may be due to the interference between a strange (or antistrange) baryon resonance in the pKL system and the φ(KSKL) photoproduction leading to the same final state. The statistical significance of the observed excess of events estimated as the log-likelihood ratio of the resonant signal + background hypothesis and the φ-production-based background-only hypothesis corresponds to 5.3σ.

  15. EIS-0412: Federal Loan Guarantee to Support Construction of the TX Energy LLC, Industrial Gasification Facility near Beaumont, Texas

    Broader source: Energy.gov [DOE]

    The Department of Energy is assessing the potential environmental impacts for its proposed action of issuing a Federal loan guarantee to TX Energy, LLC (TXE). TXE submitted an application to DOE under the Federal loan guarantee program pursuant to the Energy Policy Act of 2005 (EPAct 2005) to support construction of the TXE industrial Gasification Facility near Beaumont, Texas.

  16. RCRA Assessment Plan for Single-Shell Tank Waste Management Area TX-TY at the Hanford Site

    SciTech Connect (OSTI)

    Hodges, Floyd N.; Chou, Charissa J.

    2001-02-23

    A groundwater quality assessment plan was prepared to investigate the rate and extent of aquifer contamination beneath Waste Management Area TX-TY on the Hanford Site in Washington State. This plan is an update of a draft plan issued in February 1999, which guided work performed in fiscal year 2000.

  17. Hidalgo, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand

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

    Cubic Feet) Dollars per Thousand Cubic Feet) Hidalgo, TX Natural Gas Pipeline Imports From Mexico (Dollars per Thousand Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's 2.26 2.31 2.03 2.09 2000's 5.85 4.61 2.26 -- -- 8.10 5.53 6.23 5.55 4.40 2010's 4.21 -- -- -- -- - = No Data Reported; -- = Not Applicable; NA = Not Available; W = Withheld to avoid disclosure of individual company data. Release Date: 4/29/2016 Next Release Date: 5/31/2016

  18. Boundary Layer Structure:

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

    Boundary Layer Structure: a comparison between methods and sites Thiago Biscaro Suzane de Sá Jae-In Song Shaoyue "Emily" Qiu Mentors: Virendra Ghate and Ewan O'Connor July 24 2015 1 st ever ARM Summer Training Outline * IntroducQon * Methodology * Results - SGP - MAO - Comparison between the 2 sites * Conclusions INTRODUCTION Focus: esQmates of PBL height Boundary Layer: "The boUom layer of the troposphere that is in contact with the surface of the earth." (AMS, Glossary of

  19. Reservoir fracture mapping using microearthquakes: Austin chalk, Giddings field, TX and 76 field, Clinton Co., KY

    SciTech Connect (OSTI)

    Phillips, W.S.; Rutledge, J.T.; Gardner, T.L.; Fairbanks, T.D.; Miller, M.E.; Schuessler, B.K.

    1996-11-01

    Patterns of microearthquakes detected downhole defined fracture orientation and extent in the Austin chalk, Giddings field, TX and the 76 field, Clinton Co., KY. We collected over 480 and 770 microearthquakes during hydraulic stimulation at two sites in the Austin chalk, and over 3200 during primary production in Clinton Co. Data were of high enough quality that 20%, 31% and 53% of the events could be located, respectively. Reflected waves constrained microearthquakes to the stimulated depths at the base of the Austin chalk. In plan view, microearthquakes defined elongate fracture zones extending from the stimulation wells parallel to the regional fracture trend. However, widths of the stimulated zones differed by a factor of five between the two Austin chalk sites, indicating a large difference in the population of ancillary fractures. Post-stimulation production was much higher from the wider zone. At Clinton Co., microearthquakes defined low-angle, reverse-fault fracture zones above and below a producing zone. Associations with depleted production intervals indicated the mapped fractures had been previously drained. Drilling showed that the fractures currently contain brine. The seismic behavior was consistent with poroelastic models that predicted slight increases in compressive stress above and below the drained volume.

  20. Nanoscale elastic changes in 2D Ti3C2Tx (MXene) pseudocapacitive electrodes

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

    Come, Jeremy; Xie, Yu; Naguib, Michael; Jesse, Stephen; Kalinin, Sergei V.; Gogotsi, Yury; Kent, Paul R. C.; Balke, Nina

    2016-02-01

    Designing sustainable electrodes for next generation energy storage devices relies on the understanding of their fundamental properties at the nanoscale, including the comprehension of ions insertion into the electrode and their interactions with the active material. One consequence of ion storage is the change in the electrode volume resulting in mechanical strain and stress that can strongly affect the cycle life. Therefore, it is important to understand the changes of dimensions and mechanical properties occurring during electrochemical reactions. While the characterization of mechanical properties via macroscopic measurements is well documented, in-situ characterization of their evolution has never been achieved atmore » the nanoscale. Two dimensional (2D) carbides, known as MXenes, are promising materials for supercapacitors and various kinds of batteries, and understating the coupling between their mechanical and electrochemical properties is therefore necessary. Here we report on in-situ imaging, combined with density functional theory of the elastic changes, of a 2D titanium carbide (Ti3C2Tx) electrode in direction normal to the basal plane during cation intercalation. The results show a strong correlation between the Li+ ions content and the elastic modulus, whereas little effects of K+ ions are observed. Moreover, this strategy enables identifying the preferential intercalation pathways within a single particle.« less

  1. CONTINUED COOLING OF THE CRUST IN THE NEUTRON STAR LOW-MASS X-RAY BINARY KS 1731-260

    SciTech Connect (OSTI)

    Cackett, Edward M.; Miller, Jon M.; Brown, Edward F.; Cumming, Andrew; Degenaar, Nathalie; Wijnands, Rudy

    2010-10-20

    Some neutron star low-mass X-ray binaries have very long outbursts (lasting several years) which can generate a significant amount of heat in the neutron star crust. After the system has returned to quiescence, the crust then thermally relaxes. This provides a rare opportunity to study the thermal properties of neutron star crusts, putting constraints on the thermal conductivity and hence the structure and composition of the crust. KS 1731-260 is one of only four systems where this crustal cooling has been observed. Here, we present a new Chandra observation of this source approximately eight years after the end of the last outburst and four years since the last observation. We find that the source has continued to cool, with the cooling curve displaying a simple power-law decay. This suggests that the crust has not fully thermally relaxed yet and may continue to cool further. A simple power-law decay is in contrast to theoretical cooling models of the crust, which predict that the crust should now have cooled to the same temperature as the neutron star core.

  2. Boundary Layer Cloud Turbulence Characteristics

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

    Boundary Layer Cloud Turbulence Characteristics Virendra Ghate Bruce Albrecht Parameter Observational Readiness (/10) Modeling Need (/10) Cloud Boundaries 9 9 Cloud Fraction Variance Skewness Up/Downdraft coverage Dominant Freq. signal Dissipation rate ??? Observation-Modeling Interface

  3. Cell boundary fault detection system

    DOE Patents [OSTI]

    Archer, Charles Jens; Pinnow, Kurt Walter; Ratterman, Joseph D.; Smith, Brian Edward

    2009-05-05

    A method determines a nodal fault along the boundary, or face, of a computing cell. Nodes on adjacent cell boundaries communicate with each other, and the communications are analyzed to determine if a node or connection is faulty.

  4. SURFACE GEOPHYSICAL EXPLORATION OF TX-TY TANK FARMS AT THE HANFORD SITE RESULTS OF BACKGROUND CHARACTERIZATION WITH GROUND PENETRATING RADAR

    SciTech Connect (OSTI)

    MYERS DA; CUBBAGE R; BRAUCHLA R; O'BRIEN G

    2008-07-24

    Ground penetrating radar surveys of the TX and TY tank farms were performed to identify existing infrastructure in the near surface environment. These surveys were designed to provide background information supporting Surface-to-Surface and Well-to-Well resistivity surveys of Waste Management Area TX-TY. The objective of the preliminary investigation was to collect background characterization information with GPR to understand the spatial distribution of metallic objects that could potentially interfere with the results from high resolution resistivity{trademark} surveys. The results of the background characterization confirm the existence of documented infrastructure, as well as highlight locations of possible additional undocumented subsurface metallic objects.

  5. Cell boundary fault detection system

    DOE Patents [OSTI]

    Archer, Charles Jens; Pinnow, Kurt Walter; Ratterman, Joseph D.; Smith, Brian Edward

    2011-04-19

    An apparatus and program product determine a nodal fault along the boundary, or face, of a computing cell. Nodes on adjacent cell boundaries communicate with each other, and the communications are analyzed to determine if a node or connection is faulty.

  6. Alternating magnetic anisotropy of Li2(Li1–xTx)N(T=Mn,Fe,Co,andNi)

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

    Jesche, A.; Ke, L.; Jacobs, J. L.; Harmon, B.; Houk, R. S.; Canfield, P. C.

    2015-05-11

    Substantial amounts of the transition metals Mn, Fe, Co, and Ni can be substituted for Li in single crystalline Li2(Li1–xTx)N. Isothermal and temperature-dependent magnetization measurements reveal local magnetic moments with magnitudes significantly exceeding the spin-only value. The additional contributions stem from unquenched orbital moments that lead to rare-earth-like behavior of the magnetic properties. Accordingly, extremely large magnetic anisotropies have been found. Most notably, the magnetic anisotropy alternates as easy plane?easy axis?easy plane?easy axis when progressing from T = Mn ? Fe ? Co ? Ni. This behavior can be understood based on a perturbation approach in an analytical, single-ion model.more »As a result, the calculated magnetic anisotropies show surprisingly good agreement with the experiment and capture the basic features observed for the different transition metals.« less

  7. Alternating magnetic anisotropy of Li2(Li1–xTx)N (T = Mn, Fe, Co, and Ni)

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

    Jesche, A.; Ke, L.; Jacobs, J. L.; Harmon, B.; Houk, R. S.; Canfield, P. C.

    2015-05-11

    Substantial amounts of the transition metals Mn, Fe, Co, and Ni can be substituted for Li in single crystalline Li2(Li1–xTx)N. Isothermal and temperature-dependent magnetization measurements reveal local magnetic moments with magnitudes significantly exceeding the spin-only value. The additional contributions stem from unquenched orbital moments that lead to rare-earth-like behavior of the magnetic properties. Accordingly, extremely large magnetic anisotropies have been found. Most notably, the magnetic anisotropy alternates as easy plane→easy axis→easy plane→easy axis when progressing from T = Mn → Fe → Co → Ni. This behavior can be understood based on a perturbation approach in an analytical, single-ion model.more » As a result, the calculated magnetic anisotropies show surprisingly good agreement with the experiment and capture the basic features observed for the different transition metals.« less

  8. Resolving the structure of Ti3C2Tx MXenes through multilevel structural modeling of the atomic pair distribution function

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

    Wesolowski, David J.; Wang, Hsiu -Wen; Page, Katharine L.; Naguib, Michael; Gogotsi, Yury

    2015-12-08

    MXenes are a recently discovered family of two-dimensional (2D) early transition metal carbides and carbonitrides, which have already shown many attractive properties and a great promise in energy storage and many other applications. However, a complex surface chemistry and small coherence length has been an obstacle in some applications of MXenes, also limiting accuracy of predictions of their properties. In this study, we describe and benchmark a novel way of modeling layered materials with real interfaces (diverse surface functional groups and stacking order between the adjacent monolayers) against experimental data. The structures of three kinds of Ti3C2Tx MXenes (T standsmore » for surface terminating species, including O, OH, and F) produced under different synthesis conditions were resolved for the first time using atomic pair distribution function obtained by high-quality neutron total scattering. The true nature of the material can be easily captured with the sensitivity of neutron scattering to the surface species of interest and the detailed third-generation structure model we present. The modeling approach leads to new understanding of MXene structural properties and can replace the currently used idealized models in predictions of a variety of physical, chemical and functional properties of Ti3C2-based MXenes. Furthermore, the developed models can be employed to guide the design of new MXene materials with selected surface termination and controlled contact angle, catalytic, optical, electrochemical and other properties. We suggest that the multi-level structural modeling should form the basis for a generalized methodology on modeling diffraction and pair distribution function data for 2D and layered materials.« less

  9. HIA 2015 DOE Zero Energy Ready Home Case Study: Carl Franklin Homes, L.C./Green Extreme Homes, CDC, McKinley Project, Garland TX

    Energy Savers [EERE]

    Carl Franklin Homes, L.C./ Green Extreme Homes, CDC McKinley Project Garland, TX DOE ZERO ENERGY READY HOME(tm) The U.S. Department of Energy invites home builders across the country to meet the extraordinary levels of excellence and quality specified in DOE's Zero Energy Ready Home program (formerly known as Challenge Home). Every DOE Zero Energy Ready Home starts with ENERGY STAR Certified Homes Version 3.0 for an energy-efficient home built on a solid foundation of building science research.

  10. SU-E-T-625: Use and Choice of Ionization Chambers for the Commissioning of Flattened and Flattening-Filter-Free Photon Beams: Determination of Recombination Correction Factor (ks)

    SciTech Connect (OSTI)

    Stucchi, C; Mongioj, V; Carrara, M; Pignoli, E; Bonfantini, F; Bresolin, A

    2014-06-15

    Purpose: To evaluate the recombination effect for some ionization chambers to be used for linacs commissioning for Flattened Filter (FF) and Flattening Filter Free (FFF) photon beams. Methods: A Varian TrueBeam linac with five photon beams was used: 6, 10 and 15 MV FF and 6 and 10 MV FFF. Measurements were performed in a water tank and in a plastic water phantom with different chambers: a mini-ion chamber (IC CC01, IBA), a plane-parallel ion chamber (IC PPC05, IBA) and two Farmer chambers (NE2581 and FPC05-IBA). Measurement conditions were Source- Surface Distance of 100 cm, two field sizes (10x10 and 40x40 cm2) and five depths (1cm, maximum buildup, 5cm, 10cm and 20cm). The ion recombination factors (kS), obtained from the Jaffe's plots (voltage interval 50-400 V), were evaluated at the recommended operating voltage of +300V. Results: Dose Per Pulse (DPP) at dmax was 0.4 mGy/pulse for FF beams, 1.0 mGy/pulse and 1.9 mGy/pulse for 6MV and 10 MV FFF beams respectively. For all measurement conditions, kS ranged between 0.996 and 0.999 for IC PPC05, 0.997 and 1.008 for IC CC01. For the FPC05 IBA Farmer IC, kS varied from 1.001 to 1.011 for FF beams, from 1.004 to 1.015 for 6 MV FFF and from 1.009 to 1.025 for 10 MV FFF. Whereas, for NE2581 IC the values ranged from 1.002 to 1.009 for all energy beams and measurement conditions. Conclusion: kS depends on the chamber volume and the DPP, which in turn depends on energy beam but is independent of dose rate. Ion chambers with small active volume can be reliably used for dosimetry of FF and FFF beams even without kS correction. On the contrary, for absolute dosimetry of FFF beams by Farmer ICs it is necessary to evaluate and apply the kS correction. Partially supported by Lega Italiana Lotta contro i Tumori (LILT)

  11. Free boundary, high beta equilibrium in a large aspect ratio...

    Office of Scientific and Technical Information (OSTI)

    circular plasma boundary Citation Details In-Document Search Title: Free boundary, high beta equilibrium in a large aspect ratio tokamak with nearly circular plasma boundary An ...

  12. ~tx421.ptx

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

    ... a day-to- 3 day percentage change in past prices. 4 But what ... similar to our STEO query system where the 20 user could ... The term that I've 20 used in class all the time, I tend to ...

  13. ~tx410.ptx

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

    ... right. 13 I'll legally change my name to sucker. 14 ... I lead a group that basically 18 does power system modeling, ... graduate energy modeling class where we 19 actually have ...

  14. Training Session: Euless, TX

    Broader source: Energy.gov [DOE]

    This 3.5-hour training provides builders with a comprehensive review of zero energy-ready home construction including the business case, detailed specifications, and opportunities to be recognized...

  15. Characterization of Vadose Zone Sediments Below the TX Tank Farm: Boreholes C3830, C3831, C3832 and RCRA Borehole 299-W10-27

    SciTech Connect (OSTI)

    Serne, R. Jeffrey; Bjornstad, Bruce N.; Horton, Duane G.; Lanigan, David C.; Lindenmeier, Clark W.; Lindberg, Michael J.; Clayton, Ray E.; Legore, Virginia L.; Orr, Robert D.; Kutnyakov, Igor V.; Baum, Steven R.; Geiszler, Keith N.; Valenta, Michelle M.; Vickerman, Tanya S.

    2008-09-11

    This report was revised in September 2008 to remove acid-extractable sodium data from Tables 4.8, 4.28,4.43, and 4.59. The sodium data was removed due to potential contamination introduced during the acid extraction process. The rest of the text remains unchanged from the original report issued in April 2004. The overall goal of the Tank Farm Vadose Zone Project, led by CH2M HILL Hanford Group, Inc., is to define risks from past and future single-shell tank farm activities at Hanford. To meet this goal, CH2M HILL Hanford Group, Inc. tasked scientists from Pacific Northwest National Laboratory to perform detailed analyses on vadose zone sediments from within Waste Management Area (WMA) T-TX-TY. This report is the first of two reports written to present the results of these analyses. Specifically, this report contains all the geologic, geochemical, and selected physical characterization data collected on vadose zone sediment recovered from boreholes C3830, C3831, and C3832 in the TX Tank Farm, and from borehole 299-W-10-27 installed northeast of the TY Tank Farm.

  16. ARM - Measurement - Planetary boundary layer height

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

    govMeasurementsPlanetary boundary layer height ARM Data Discovery Browse Data Comments? We would love to hear from you! Send us a note below or call us at 1-888-ARM-DATA. Send Measurement : Planetary boundary layer height Top of the planetary boundary layer; also known as depth or height of the mixing layer. Categories Atmospheric State Instruments The above measurement is considered scientifically relevant for the following instruments. Refer to the datastream (netcdf) file headers of each

  17. Thermal boundary conductance accumulation and interfacial phonon...

    Office of Scientific and Technical Information (OSTI)

    and theory Citation Details In-Document Search Title: Thermal boundary conductance accumulation and interfacial phonon transmission: Measurements and theory Authors: ...

  18. Boundary effects on Zircaloy-4 cladding deformation in LOCA simulation tests. [PWR; BWR

    SciTech Connect (OSTI)

    Longest, A.W.; Chapman, R.H.; Crowley, J.L.

    1982-01-01

    Deformation behavior of Zircaloy-4 cladding under simulated loss-of-coolant accident (LOCA) conditions is being investigated in the Multirod Burst Test (MRBT) program in single rod and multirod tests. In these tests, internally-pressurized unirradiated Zircaloy-4 tubes containing internal electrical heaters are heated to failure in a low-pressure, superheated-steam environment (200 < Re < 800). The results provide a data base for evaluating deformation and blockage models employed with design-basis accident sequences to assess LWR core coolability for licensing purposes. Results of a recent 8 X 8 test indicate that models derived from smaller test arrays may not be representative of the behavior in large arrays, particularly for those temperature ranges in which large deformation can be expected. Two MRBT LOCA simulation tests conducted under the same nominal conditions (approx. 10 K/s heating rate from approx. 340/sup 0/C to failure at approx. 770/sup 0/C) were examined to determine the effects of array size and boundary conditions on deformation.

  19. Environmental boundaries to energy development

    SciTech Connect (OSTI)

    Trivelpiece, A.W.

    1989-01-01

    Public concern about the environment, health and safety consequences of energy technology has been growing steadily for more than two decades in the United States. This concern forms an important boundary condition as the United States seeks to develop a new National Energy Strategy. Furthermore, the international aspects of the energy/environment interface such as acid rain global climate change and stratospheric ozone depletion are very prominent in US thinking. In fact, the energy systems of the world are becoming more closely coupled environmentally and otherwise. Now where is this coupling more important than that between the industrialized and developing world; the choices made by each will have profound effects on the other. The development of energy technologies compatible with both economic growth and improving and sustaining environmental quality represents a major R D challenge to the US and USSR. Decision about adoption of new technology and R D priorities can be improved by better measurements of how energy sources and uses are changing throughout the world and better methods to project the potential consequences of these decisions. Such projection require understanding relative risks of alternating existing and evolving technologies. All of these R D areas, technology improvement energy system monitoring and projection and comparative risk assessment are the topics of this seminar. Progress in each may be enhanced by collaboration and cooperation between our two countries. 7 refs., 27 figs., 5 tabs.

  20. Cyclone separator having boundary layer turbulence control

    DOE Patents [OSTI]

    Krishna, Coimbatore R.; Milau, Julius S.

    1985-01-01

    A cyclone separator including boundary layer turbulence control that is operable to prevent undue build-up of particulate material at selected critical areas on the separator walls, by selectively varying the fluid pressure at those areas to maintain the momentum of the vortex, thereby preventing particulate material from inducing turbulence in the boundary layer of the vortical fluid flow through the separator.

  1. Boundary conditions for the subdiffusion equation

    SciTech Connect (OSTI)

    Shkilev, V. P.

    2013-04-15

    The boundary conditions for the subdiffusion equations are formulated using the continuous-time random walk model, as well as several versions of the random walk model on an irregular lattice. It is shown that the boundary conditions for the same equation in different models have different forms, and this difference considerably affects the solutions of this equation.

  2. PIA - Savannah River Remediation Accreditation Boundary (SRR AB) |

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

    Department of Energy Remediation Accreditation Boundary (SRR AB) PIA - Savannah River Remediation Accreditation Boundary (SRR AB) PIA - Savannah River Remediation Accreditation Boundary (SRR AB) PDF icon PIA - Savannah River Remediation Accreditation Boundary (SRR AB) More Documents & Publications PIA - Savannah River Nuclear Solution IBARS Srs Site Apps. Accreditation Boundary PIA - WEB Physical Security Major Application Occupational Medical Surveillance System (OMSS) PIA, Idaho

  3. Property:Building/Boundaries | Open Energy Information

    Open Energy Info (EERE)

    "BuildingBoundaries" Showing 25 pages using this property. (previous 25) (next 25) S Sweden Building 05K0001 + Several buildings + Sweden Building 05K0002 + Part of a building +...

  4. ARM - Field Campaign - Boundary Layer Cloud IOP

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

    govCampaignsBoundary Layer Cloud IOP Campaign Links Campaign Images ARM Data Discovery Browse Data Comments? We would love to hear from you Send us a note below or call us at...

  5. ARM - Field Campaign - Lower Atmospheric Boundary Layer Experiment

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

    Related Campaigns 2013 Lower Atmospheric Boundary Layer Experiment 2013.05.28, Turner, SGP ... Lead Scientist : David Turner For data sets, see below. Abstract Boundary layer turbulence ...

  6. Techno-Economic Boundary Analysis of Biological Pathways to Hydrogen...

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

    Techno-Economic Boundary Analysis of Biological Pathways to Hydrogen Production (2009) Techno-Economic Boundary Analysis of Biological Pathways to Hydrogen Production (2009) ...

  7. Friction of Steel Sliding Under Boundary Lubrication Regime in...

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

    of Steel Sliding Under Boundary Lubrication Regime in Commercial Gear Oils at Elevated Temperatures Friction of Steel Sliding Under Boundary Lubrication Regime in Commercial Gear ...

  8. Technoeconomic Boundary Analysis of Biological Pathways to Hydrogen...

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

    Technoeconomic Boundary Analysis of Biological Pathways to Hydrogen Production Technoeconomic Boundary Analysis of Biological Pathways to Hydrogen Production Report documenting the ...

  9. EA-1973: Kootenai River Restoration at Bonners Ferry, Boundary...

    Energy Savers [EERE]

    73: Kootenai River Restoration at Bonners Ferry, Boundary County, Idaho EA-1973: Kootenai River Restoration at Bonners Ferry, Boundary County, Idaho Summary Bonneville Power...

  10. Suppression of Grain Boundaries in Graphene Growth on Superstructured...

    Office of Scientific and Technical Information (OSTI)

    Suppression of Grain Boundaries in Graphene Growth on Superstructured Mn-Cu(111) Surface Title: Suppression of Grain Boundaries in Graphene Growth on Superstructured Mn-Cu(111) ...

  11. A dual mass flux framework for boundary layer convection

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

    A dual mass flux framework for boundary layer convection Neggers, Roel European Centre for Medium-range Weather Forecasts (ECMWF) Category: Modeling A new convective boundary layer...

  12. Boundary Layer Cloudiness Parameterizations Using ARM Observations

    SciTech Connect (OSTI)

    Bruce Albrecht

    2004-09-15

    This study used DOE ARM data and facilities to: (1) study macroscopic properties of continental stratus clouds at SGP and the factors controlling these properties, (2) develop a scientific basis for understanding the processes responsible for the formation of boundary layer clouds using ARM observations in conjunction with simple parametric models and LES, and (3) evaluate cumulus cloud characteristics retrieved from the MMCR operating at TWP-Nauru. In addition we have used high resolution 94 GHz observations of boundary layer clouds and precipitation to: (1) develop techniques for using high temporal resolution Doppler velocities to study large-eddy circulations and turbulence in boundary layer clouds and estimate the limitations of using current and past MMCR data for boundary layer cloud studies, (2) evaluate the capability and limitations of the current MMCR data for estimating reflectivity, vertical velocities, and spectral under low- signal-to-noise conditions associated with weak no n-precipitating clouds, (3) develop possible sampling modes for the new MMCR processors to allow for adequate sampling of boundary layer clouds, and (4) retrieve updraft and downdraft structures under precipitating conditions.

  13. Surface and grain boundary scattering in nanometric Cu thin films: A quantitative analysis including twin boundaries

    SciTech Connect (OSTI)

    Barmak, Katayun [Department of Applied Physics and Applied Mathematics, Columbia University, New York, New York 10027 and Department of Materials Science and Engineering and Materials Research Science and Engineering Center, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213 (United States); Darbal, Amith [Department of Materials Science and Engineering and Materials Research Science and Engineering Center, Carnegie Mellon University, 5000 Forbes Avenue, Pittsburgh, Pennsylvania 15213 (United States); Ganesh, Kameswaran J.; Ferreira, Paulo J. [Materials Science and Engineering, The University of Texas at Austin, 1 University Station, Austin, Texas 78712 (United States); Rickman, Jeffrey M. [Department of Materials Science and Engineering and Department of Physics, Lehigh University, Bethlehem, Pennsylvania 18015 (United States); Sun, Tik; Yao, Bo; Warren, Andrew P.; Coffey, Kevin R., E-mail: kb2612@columbia.edu [Department of Materials Science and Engineering, University of Central Florida, 4000 Central Florida Boulevard, Orlando, Florida 32816 (United States)

    2014-11-01

    The relative contributions of various defects to the measured resistivity in nanocrystalline Cu were investigated, including a quantitative account of twin-boundary scattering. It has been difficult to quantitatively assess the impact twin boundary scattering has on the classical size effect of electrical resistivity, due to limitations in characterizing twin boundaries in nanocrystalline Cu. In this study, crystal orientation maps of nanocrystalline Cu films were obtained via precession-assisted electron diffraction in the transmission electron microscope. These orientation images were used to characterize grain boundaries and to measure the average grain size of a microstructure, with and without considering twin boundaries. The results of these studies indicate that the contribution from grain-boundary scattering is the dominant factor (as compared to surface scattering) leading to enhanced resistivity. The resistivity data can be well-described by the combined Fuchs–Sondheimer surface scattering model and Mayadas–Shatzkes grain-boundary scattering model using Matthiessen's rule with a surface specularity coefficient of p?=?0.48 and a grain-boundary reflection coefficient of R?=?0.26.

  14. Wireless boundary monitor system and method

    DOE Patents [OSTI]

    Haynes, Howard D.; Ayers, Curtis W.

    1997-01-01

    A wireless boundary monitor system used to monitor the integrity of a boundary surrounding an area uses at least two housings having at least one transmitting means for emitting ultrasonic pressure waves to a medium. Each of the housings has a plurality of receiving means for sensing the pressure waves in the medium. The transmitting means and the receiving means of each housing are aimable and communicably linked. At least one of the housings is equipped with a local alarm means for emitting a first alarm indication whereby, when the pressure waves propagating from a transmitting means to a receiving means are sufficiently blocked by an object a local alarm means or a remote alarm means or a combination thereof emit respective alarm indications. The system may be reset either manually or automatically. This wireless boundary monitor system has useful applications in both indoor and outdoor environments.

  15. Wireless boundary monitor system and method

    DOE Patents [OSTI]

    Haynes, H.D.; Ayers, C.W.

    1997-12-09

    A wireless boundary monitor system used to monitor the integrity of a boundary surrounding an area uses at least two housings having at least one transmitting means for emitting ultrasonic pressure waves to a medium. Each of the housings has a plurality of receiving means for sensing the pressure waves in the medium. The transmitting means and the receiving means of each housing are aimable and communicably linked. At least one of the housings is equipped with a local alarm means for emitting a first alarm indication whereby, when the pressure waves propagating from a transmitting means to a receiving means are sufficiently blocked by an object a local alarm means or a remote alarm means or a combination thereof emit respective alarm indications. The system may be reset either manually or automatically. This wireless boundary monitor system has useful applications in both indoor and outdoor environments. 4 figs.

  16. Bursting frequency prediction in turbulent boundary layers

    SciTech Connect (OSTI)

    LIOU,WILLIAM W.; FANG,YICHUNG

    2000-02-01

    The frequencies of the bursting events associated with the streamwise coherent structures of spatially developing incompressible turbulent boundary layers were predicted using global numerical solution of the Orr-Sommerfeld and the vertical vorticity equations of hydrodynamic stability problems. The structures were modeled as wavelike disturbances associated with the turbulent mean flow. The global method developed here involves the use of second and fourth order accurate finite difference formula for the differential equations as well as the boundary conditions. An automated prediction tool, BURFIT, was developed. The predicted resonance frequencies were found to agree very well with previous results using a local shooting technique and measured data.

  17. Planetary Boundary Layer from AERI and MPL

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

    Sawyer, Virginia

    2014-02-13

    The distribution and transport of aerosol emitted to the lower troposphere is governed by the height of the planetary boundary layer (PBL), which limits the dilution of pollutants and influences boundary-layer convection. Because radiative heating and cooling of the surface strongly affect the PBL top height, it follows diurnal and seasonal cycles and may vary by hundreds of meters over a 24-hour period. The cap the PBL imposes on low-level aerosol transport makes aerosol concentration an effective proxy for PBL height: the top of the PBL is marked by a rapid transition from polluted, well-mixed boundary-layer air to the cleaner, more stratified free troposphere. Micropulse lidar (MPL) can provide much higher temporal resolution than radiosonde and better vertical resolution than infrared spectrometer (AERI), but PBL heights from all three instruments at the ARM SGP site are compared to one another for validation. If there is agreement among them, the higher-resolution remote sensing-derived PBL heights can accurately fill in the gaps left by the low frequency of radiosonde launches, and thus improve model parameterizations and our understanding of boundary-layer processes.

  18. Thick diffusion limit boundary layer test problems

    SciTech Connect (OSTI)

    Bailey, T. S.; Warsa, J. S.; Chang, J. H.; Adams, M. L.

    2013-07-01

    We develop two simple test problems that quantify the behavior of computational transport solutions in the presence of boundary layers that are not resolved by the spatial grid. In particular we study the quantitative effects of 'contamination' terms that, according to previous asymptotic analyses, may have a detrimental effect on the solutions obtained by both discontinuous finite element (DFEM) and characteristic-method (CM) spatial discretizations, at least for boundary layers caused by azimuthally asymmetric incident intensities. Few numerical results have illustrated the effects of this contamination, and none have quantified it to our knowledge. Our test problems use leading-order analytic solutions that should be equal to zero in the problem interior, which means the observed interior solution is the error introduced by the contamination terms. Results from DFEM solutions demonstrate that the contamination terms can cause error propagation into the problem interior for both orthogonal and non-orthogonal grids, and that this error is much worse for non-orthogonal grids. This behavior is consistent with the predictions of previous analyses. We conclude that these boundary layer test problems and their variants are useful tools for the study of errors that are introduced by unresolved boundary layers in diffusive transport problems. (authors)

  19. On the interaction of solutes with grain boundaries

    SciTech Connect (OSTI)

    Dingreville, Remi Philippe Michel; Berbenni, Stephane

    2015-11-01

    Solute segregation to grain boundaries is considered by modeling solute atoms as misfitting inclusions within a disclination structural unit model describing the grain boundary structure and its intrinsic stress field. The solute distribution around grain boundaries is described through Fermi–Dirac statistics of site occupancy. The susceptibility of hydrogen segregation to symmetric tilt grain boundaries is discussed in terms of the misorientation angle, the defect type characteristics at the grain boundary, temperature, and the prescribed bulk hydrogen fraction of occupied sites. Through this formalism, it is found that hydrogen trapping on grain boundaries clearly correlates with the grain boundary structure (i.e. type of structural unit composing the grain boundary), and the associated grain boundary misorientation. Specifically, for symmetric tilt grain boundaries about the [001] axis, grain boundaries composed of both B and C structural units show a lower segregation susceptibility than other grain boundaries. A direct correlation between the segregation susceptibility and the intrinsic net defect density is provided through the Frank–Bilby formalism. Moreover, the present formulation could prove to be a simple and useful model to identify classes of grain boundaries relevant to grain boundary engineering.

  20. On the interaction of solutes with grain boundaries

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

    Dingreville, Remi Philippe Michel; Berbenni, Stephane

    2015-11-01

    Solute segregation to grain boundaries is considered by modeling solute atoms as misfitting inclusions within a disclination structural unit model describing the grain boundary structure and its intrinsic stress field. The solute distribution around grain boundaries is described through Fermi–Dirac statistics of site occupancy. The susceptibility of hydrogen segregation to symmetric tilt grain boundaries is discussed in terms of the misorientation angle, the defect type characteristics at the grain boundary, temperature, and the prescribed bulk hydrogen fraction of occupied sites. Through this formalism, it is found that hydrogen trapping on grain boundaries clearly correlates with the grain boundary structure (i.e.more » type of structural unit composing the grain boundary), and the associated grain boundary misorientation. Specifically, for symmetric tilt grain boundaries about the [001] axis, grain boundaries composed of both B and C structural units show a lower segregation susceptibility than other grain boundaries. A direct correlation between the segregation susceptibility and the intrinsic net defect density is provided through the Frank–Bilby formalism. Moreover, the present formulation could prove to be a simple and useful model to identify classes of grain boundaries relevant to grain boundary engineering.« less

  1. The relationship between grain boundary structure, defect mobility, and grain boundary sink efficiency

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

    Uberuaga, Blas Pedro; Vernon, Louis J.; Martinez, Enrique; Voter, Arthur F.

    2015-03-13

    Nanocrystalline materials have received great attention due to their potential for improved functionality and have been proposed for extreme environments where the interfaces are expected to promote radiation tolerance. However, the precise role of the interfaces in modifying defect behavior is unclear. Using long-time simulations methods, we determine the mobility of defects and defect clusters at grain boundaries in Cu. We find that mobilities vary significantly with boundary structure and cluster size, with larger clusters exhibiting reduced mobility, and that interface sink efficiency depends on the kinetics of defects within the interface via the in-boundary annihilation rate of defects. Thus,more » sink efficiency is a strong function of defect mobility, which depends on boundary structure, a property that evolves with time. Further, defect mobility at boundaries can be slower than in the bulk, which has general implications for the properties of polycrystalline materials. Finally, we correlate defect energetics with the volumes of atomic sites at the boundary.« less

  2. Boundary Plasma Turbulence Simulations for Tokamaks

    SciTech Connect (OSTI)

    Xu, X.; Umansky, M.; Dudson, B.; Snyder, P

    2008-05-15

    The boundary plasma turbulence code BOUT models tokamak boundary-plasma turbulence in a realistic divertor geometry using modified Braginskii equations for plasma vorticity, density (ni), electron and ion temperature (T{sub e}; T{sub i}) and parallel momenta. The BOUT code solves for the plasma fluid equations in a three dimensional (3D) toroidal segment (or a toroidal wedge), including the region somewhat inside the separatrix and extending into the scrape-off layer; the private flux region is also included. In this paper, a description is given of the sophisticated physical models, innovative numerical algorithms, and modern software design used to simulate edge-plasmas in magnetic fusion energy devices. The BOUT code's unique capabilities and functionality are exemplified via simulations of the impact of plasma density on tokamak edge turbulence and blob dynamics.

  3. Open Boundary Conditions for Dissipative MHD

    SciTech Connect (OSTI)

    Meier, E T

    2011-11-10

    In modeling magnetic confinement, astrophysics, and plasma propulsion, representing the entire physical domain is often difficult or impossible, and artificial, or 'open' boundaries are appropriate. A novel open boundary condition (BC) for dissipative MHD, called Lacuna-based open BC (LOBC), is presented. LOBC, based on the idea of lacuna-based truncation originally presented by V.S. Ryaben'kii and S.V. Tsynkov, provide truncation with low numerical noise and minimal reflections. For hyperbolic systems, characteristic-based BC (CBC) exist for separating the solution into outgoing and incoming parts. In the hyperbolic-parabolic dissipative MHD system, such separation is not possible, and CBC are numerically unstable. LOBC are applied in dissipative MHD test problems including a translating FRC, and coaxial-electrode plasma acceleration. Solution quality is compared to solutions using CBC and zero-normal derivative BC. LOBC are a promising new open BC option for dissipative MHD.

  4. Stable Boundary Layer Education Field Campaign Summary

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

    5 Stable Boundary Layer Education (STABLE) Final Campaign Summary DD Turner March 2016 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy, completeness, or usefulness of any information, apparatus, product, or process disclosed, or represents that its use would not infringe

  5. Thermal boundary conductance accumulation and interfacial phonon

    Office of Scientific and Technical Information (OSTI)

    transmission: Measurements and theory (Journal Article) | SciTech Connect interfacial phonon transmission: Measurements and theory Citation Details In-Document Search Title: Thermal boundary conductance accumulation and interfacial phonon transmission: Measurements and theory Authors: Cheaito, Ramez ; Gaskins, John T. ; Caplan, Matthew E. ; Donovan, Brian F. ; Foley, Brian M. ; Giri, Ashutosh ; Duda, John C. ; Szwejkowski, Chester J. ; Constantin, Costel ; Brown-Shaklee, Harlan J. ;

  6. Boundary Entropy Can Increase Under Bulk RG Flow (Journal Article...

    Office of Scientific and Technical Information (OSTI)

    Boundary Entropy Can Increase Under Bulk RG Flow Citation Details In-Document Search Title: Boundary Entropy Can Increase Under Bulk RG Flow You are accessing a document from ...

  7. Stable Boundary Layer Education (STABLE) Final Campaign Summary (Technical

    Office of Scientific and Technical Information (OSTI)

    Report) | SciTech Connect Stable Boundary Layer Education (STABLE) Final Campaign Summary Citation Details In-Document Search Title: Stable Boundary Layer Education (STABLE) Final Campaign Summary The properties of, and the processes that occur in, the nocturnal stable boundary layer are not well understood, making it difficult to represent adequately in numerical models. The nocturnal boundary layer often is characterized by a temperature inversion and, in the Southern Great Plains region,

  8. Evolution of Grain Boundary Networks in Extreme Radiation Environments

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

    of the Evolution of Grain Boundary Networks in Extreme Radiation Environments. Evolution of Grain Boundary Networks in Extreme Radiation Environments Research Our objective is to understand the characteristics of an "optimal" grain boundary (GB) network that minimizes microstructural evolution in radiation environments. Through our research we have elucidated that this optimal network requires a balance between two populations of grain boundaries: low free volume (low free energy)

  9. Planetary Boundary Layer from AERI and MPL (Dataset) | Data Explorer

    Office of Scientific and Technical Information (OSTI)

    Data Explorer Search Results Planetary Boundary Layer from AERI and MPL Title: Planetary Boundary Layer from AERI and MPL The distribution and transport of aerosol emitted to the lower troposphere is governed by the height of the planetary boundary layer (PBL), which limits the dilution of pollutants and influences boundary-layer convection. Because radiative heating and cooling of the surface strongly affect the PBL top height, it follows diurnal and seasonal cycles and may vary by hundreds of

  10. GRAIN BOUNDARY STRENGTHENING PROPERTIES OF TUNGSTEN ALLOYS

    SciTech Connect (OSTI)

    Setyawan, Wahyu; Kurtz, Richard J.

    2012-10-10

    Density functional theory was employed to investigate grain boundary (GB) properties of W alloys. A range of substitutional solutes across the Periodic Table was investigated to understand the behavior of different electronic orbitals in changing the GB cleavage energy in the Σ27a[110]{525} GB. A number of transition metals were predicted to enhance the GB cohesion. This includes Ru, Re, Os, Ir, V, Cr, Mn, Fe, Co, Ti, Hf, Ta and Nb. While lanthanides, s and p elements were tended to cause GB embrittlement.

  11. Boundary Entropy Can Increase Under Bulk RG Flow (Journal Article) |

    Office of Scientific and Technical Information (OSTI)

    SciTech Connect Boundary Entropy Can Increase Under Bulk RG Flow Citation Details In-Document Search Title: Boundary Entropy Can Increase Under Bulk RG Flow The boundary entropy log(g) of a critical one-dimensional quantum system (or two-dimensional conformal field theory) is known to decrease under renormalization group (RG) flow of the boundary theory. We study instead the behavior of the boundary entropy as the bulk theory flows between two nearby critical points. We use conformal

  12. ~tx22C0.ptx

    Energy Savers [EERE]

    + + + + + STUDYING THE COMMUNICATIONS REQUIREMENTS OF ELECTRIC UTILITIES TO INFORM FEDERAL SMART GRID POLICIES + + + + + PUBLIC MEETING + + + + + THURSDAY, JUNE 17, 2010 + + + + + The Public Meeting was held in Room 8E069 at the Department of Energy, Forrestal Building, 1000 Independence Avenue, S.W., Washington, D.C., at 10:00 a.m., Scott Blake Harris, Chair, presiding. PRESENT: BECKY BLALOCK SHERMAN J. ELLIOTT LYNNE ELLYN SCOTT BLAKE HARRIS JIM INGRAHAM JIM L. JONES MICHAEL LANMAN KYLE

  13. ~txF74.ptx

    Energy Savers [EERE]

    WEDNESDAY OCTOBER 19, 2011 + + + + + The Electricity Advisory Committee met in the Conference Center of the National Rural Electric Cooperative Association Headquarters, 4301 Wilson Boulevard, Arlington, Virginia, at 2:00 p.m., Richard Cowart, Chair, presiding. MEMBERS PRESENT RICHARD COWART, Regulatory Assistance Project, Chair THE HONORABLE ROBERT CURRY, New York State Public Service Commission JOSE DELGADO, American Transmission Company (Ret.) ROGER DUNCAN, Austin Energy (Ret.) ROBERT

  14. US WSC TX Site Consumption

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

    Energy Consumption Survey www.eia.govconsumptionresidential Space heating Water heating Air conditioning Appliances, electronics, lighting Household Energy Use in Texas A ...

  15. About ZERH Sessions: Austin, TX

    Broader source: Energy.gov [DOE]

    10:00 a.m. - 12:30 p.m. An Overview: What is it, and how do I participate?This session discusses the critical components that define a truly zero energy ready home (ZERH), how builders are able to...

  16. Amplitude Analysis and Measurement of the Time-dependent CP Asymmetry of B0 to KsKsKs Decays

    SciTech Connect (OSTI)

    Lees, J.P.

    2012-04-11

    We present the first results on the Dalitz-plot structure and improved measurements of the time-dependent CP-violation parameters of the process B{sup 0} {yields} K{sub S}{sup 0}K{sub S}{sup 0}K{sub S}{sup 0} obtained using 468 x 10{sup 6} B{bar B} decays collected with the BABAR detector at the PEP-II asymmetric-energy B factory at SLAC. The Dalitz-plot structure is probed by a time-integrated amplitude analysis that does not distinguish between B{sup 0} and {bar B}{sup 0} decays. We measure the total inclusive branching fraction {Beta}(B{sup 0} {yields} K{sub S}{sup 0}K{sub S}{sup 0}K{sub S}{sup 0}) = (6.19 {+-} 0.48 {+-} 0.15 {+-} 0.12) x 10{sup -6}, where the first uncertainty is statistical, the second is systematic, and the third represents the Dalitz-plot signal model dependence. We also observe evidence for the intermediate resonant states f{sub 0}(980), f{sub 0}(1710), and f{sub 2}(2010). Their respective product branching fractions are measured to be (2.70{sub -1.19}{sup +1.25} {+-} 0.36 {+-} 1.17) x 10{sup -6}, (0.50{sub -0.24}{sup +0.46} {+-} 0.04 {+-} 0.10) x 10{sup -6}, and (0.54{sub -0.20}{sup +0.21} {+-} 0.03 {+-} 0.52) x 10{sup -6}. Additionally, we determine the mixing-induced CP-violation parameters to be S = -0.94{sub -0.21}{sup +0.24} {+-} 0.06 and C = -0.17 {+-} 0.18 {+-} 0.04, where the first uncertainty is statistical and the second is systematic. These values are in agreement with the standard model expectation.

  17. Atomistic simulations of dislocation pileup: Grain boundaries interaction

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

    Wang, Jian

    2015-05-27

    Here, using molecular dynamics (MD) simulations, we studied the dislocation pileup–grain boundary (GB) interactions. Two Σ11 asymmetrical tilt grain boundaries in Al are studied to explore the influence of orientation relationship and interface structure on dislocation activities at grain boundaries. To mimic the reality of a dislocation pileup in a coarse-grained polycrystalline, we optimized the dislocation population in MD simulations and developed a predict-correct method to create a dislocation pileup in MD simulations. MD simulations explored several kinetic processes of dislocations–GB reactions: grain boundary sliding, grain boundary migration, slip transmission, dislocation reflection, reconstruction of grain boundary, and the correlation ofmore » these kinetic processes with the available slip systems across the GB and atomic structures of the GB.« less

  18. Lower Atmospheric Boundary Layer Experiment (LABLE) Final Campaign Report

    Office of Scientific and Technical Information (OSTI)

    (Program Document) | SciTech Connect Program Document: Lower Atmospheric Boundary Layer Experiment (LABLE) Final Campaign Report Citation Details In-Document Search Title: Lower Atmospheric Boundary Layer Experiment (LABLE) Final Campaign Report The Lower Atmospheric Boundary Layer Experiment (LABLE) included two measurement campaigns conducted at the Atmospheric Radiation Measurement (ARM) Southern Great Plains site in Oklahoma during 2012 and 2013. LABLE was designed as a multi-phase,

  19. On the Interaction between Marine Boundary Layer Cellular Cloudiness and

    Office of Scientific and Technical Information (OSTI)

    Surface Heat Fluxes (Journal Article) | SciTech Connect On the Interaction between Marine Boundary Layer Cellular Cloudiness and Surface Heat Fluxes Citation Details In-Document Search Title: On the Interaction between Marine Boundary Layer Cellular Cloudiness and Surface Heat Fluxes The interaction between marine boundary layer cellular cloudiness and surface uxes of sensible and latent heat is investigated. The investigation focuses on the non-precipitating closed-cell state and the

  20. RACORO continental boundary layer cloud investigations. Part I: Case study

    Office of Scientific and Technical Information (OSTI)

    development and ensemble large-scale forcings (Journal Article) | SciTech Connect RACORO continental boundary layer cloud investigations. Part I: Case study development and ensemble large-scale forcings Citation Details In-Document Search This content will become publicly available on June 19, 2016 Title: RACORO continental boundary layer cloud investigations. Part I: Case study development and ensemble large-scale forcings Observation-based modeling case studies of continental boundary

  1. Grain boundary energy in 5 degrees of freedom space

    Energy Science and Technology Software Center (OSTI)

    2012-09-21

    GB5DOF is a program written in MatLab for computing excess energy of an arbitrary grain boundary defined by its 5 geometrical degrees of freedom. The program is written in the form of a single self-contained function callable from within commercially available MatLab software package. The function takes a geometric description of the boundary and material identity as input parameters and returns the predicted boundary energy.

  2. Mineral Deformation at Earth's Core-Mantle Boundary

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

    Mineral Deformation at Earth's Core-Mantle Boundary Mineral Deformation at Earth's Core-Mantle Boundary Print Wednesday, 31 August 2011 00:00 Earth is a dynamic planet in which convection takes place on the scale of thousands of kilometers. Because Earth is mostly solid (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in

  3. Boundary conformal field theory and tunneling of edge quasiparticles in

    Office of Scientific and Technical Information (OSTI)

    non-Abelian topological states (Journal Article) | SciTech Connect Boundary conformal field theory and tunneling of edge quasiparticles in non-Abelian topological states Citation Details In-Document Search Title: Boundary conformal field theory and tunneling of edge quasiparticles in non-Abelian topological states We explain how (perturbed) boundary conformal field theory allows us to understand the tunneling of edge quasiparticles in non-Abelian topological states. The coupling between a

  4. ARM - Field Campaign - 2013 Lower Atmospheric Boundary Layer...

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

    Lower Atmospheric Boundary Layer Experiment 2012.09.17, Turner, SGP Comments? We would ... Lead Scientist : David Turner For data sets, see below. Abstract Instruments were deployed ...

  5. Stable Boundary Layer Education (STABLE) Final Campaign Summary...

    Office of Scientific and Technical Information (OSTI)

    Title: Stable Boundary Layer Education (STABLE) Final ... and Environmental Research (BER) (SC-23) Country of Publication: United States Language: English Subject: 47 ...

  6. Local Correlations and Multi-Fractal Behaviour in Marine Boundary...

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

    Local Correlations and Multi-Fractal Behaviour in Marine Boundary Layer Cloud Dynamics N. Kitova and M. A. Mikhalev Institute of Electronics Bulgarian Academy of Sciences Sofia...

  7. Mineral Deformation at Earth's Core-Mantle Boundary

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

    core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in certain directions. This seismic anisotropy appears to be related to...

  8. Mineral Deformation at Earth's Core-Mantle Boundary

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

    parallel to the boundary, which is just what seismologists observe. These results open new possibilities for modeling anisotropy evolution at extreme conditions, linking...

  9. Two-dimensional heavy fermions on the strongly correlated boundaries...

    Office of Scientific and Technical Information (OSTI)

    Two-dimensional heavy fermions on the strongly correlated boundaries of Kondo topological insulators Prev Next Title: Two-dimensional heavy fermions on the strongly ...

  10. [Perovskite and Fluorite Grain Boundary Properties]. Final Project Report

    SciTech Connect (OSTI)

    Browning, N. D.

    2004-02-24

    One of the main areas of research in the last two years in this program has been the properties of grain boundaries in perovskite and fluorite structure materials.

  11. "Lidar Investigations of Aerosol, Cloud, and Boundary Layer Properties...

    Office of Scientific and Technical Information (OSTI)

    the turbulence within the convective boundary layer and how the turbulence statistics (e.g., variance, skewness) is correlated with larger scale variables predicted by models. ...

  12. On the interaction of solutes with grain boundaries (Journal...

    Office of Scientific and Technical Information (OSTI)

    The solute distribution around grain boundaries is described through Fermi-Dirac statistics of site occupancy. The susceptibility of hydrogen segregation to symmetric tilt grain ...

  13. Microsoft Word - Gage-KS.doc

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

    AL S-band Profiler and the ETL K-band Millimeter-Wave Cloud Radar on the RV Ronald H. Brown during Nauru99 K. S. Gage and D. A. Carter National Oceanic and Atmospheric...

  14. SUPERSONIC SHEAR INSTABILITIES IN ASTROPHYSICAL BOUNDARY LAYERS

    SciTech Connect (OSTI)

    Belyaev, Mikhail A.; Rafikov, Roman R., E-mail: rrr@astro.princeton.edu [Department of Astrophysical Sciences, Princeton University, Ivy Lane, Princeton, NJ 08540 (United States)

    2012-06-20

    Disk accretion onto weakly magnetized astrophysical objects often proceeds via a boundary layer (BL) that forms near the object's surface, in which the rotation speed of the accreted gas changes rapidly. Here, we study the initial stages of formation for such a BL around a white dwarf or a young star by examining the hydrodynamical shear instabilities that may initiate mixing and momentum transport between the two fluids of different densities moving supersonically with respect to each other. We find that an initially laminar BL is unstable to two different kinds of instabilities. One is an instability of a supersonic vortex sheet (implying a discontinuous initial profile of the angular speed of the gas) in the presence of gravity, which we find to have a growth rate of order (but less than) the orbital frequency. The other is a sonic instability of a finite width, supersonic shear layer, which is similar to the Papaloizou-Pringle instability. It has a growth rate proportional to the shear inside the transition layer, which is of order the orbital frequency times the ratio of stellar radius to the BL thickness. For a BL that is thin compared to the radius of the star, the shear rate is much larger than the orbital frequency. Thus, we conclude that sonic instabilities play a dominant role in the initial stages of nonmagnetic BL formation and give rise to very fast mixing between disk gas and stellar fluid in the supersonic regime.

  15. Irradiation Assisted Grain Boundary Segregation in Steels

    SciTech Connect (OSTI)

    Lu, Zheng; Faulkner, Roy G.

    2008-07-01

    The understanding of radiation-induced grain boundary segregation (RIS) has considerably improved over the past decade. New models have been introduced and much effort has been devoted to obtaining comprehensive information on segregation from the literature. Analytical techniques have also improved so that chemical analysis of layers 1 nm thick is almost routine. This invited paper will review the major methods used currently for RIS prediction: namely, Rate Theory, Inverse Kirkendall, and Solute Drag approaches. A summary is made of the available data on phosphorus RIS in reactor pressure vessel (RPV) steels. This will be discussed in the light of the predictions of the various models in an effort to show which models are the most reliable and easy to use for forecasting P segregation behaviour in steels. A consequence of RIS in RPV steels is a radiation induced shift in the ductile to brittle transition temperature (DBTT). It will be shown how it is possible to relate radiation-induced P segregation levels to DBTT shift. Examples of this exercise will be given for RPV steels and for ferritic steels being considered for first wall fusion applications. Cr RIS in high alloy stainless steels and associated irradiation-assisted stress corrosion cracking (IASCC) will be briefly discussed. (authors)

  16. Compressional boundaries in the Earth's foreshock

    SciTech Connect (OSTI)

    Rojas-Castillo, D.; Blanco-Cano, X.; Kajdic, P.; Omidi, N.

    2013-06-13

    The terrestrial foreshock is a highly dynamic region populated by particles, waves and non-linear structures such as shocklets, SLAMS, hot flow anomalies, cavities and cavitons. Recently a new structure named foreshock compressional boundary (FCB) was reported in global hybrid simulations by Omidi et al. (2009). This structure represents a transition region that separates the highly disturbed foreshock plasma from pristine solar wind or from the region of field-aligned ion beams. The FCB is associated with a strong compression of magnetic field and density. Besides the enhancements in the field and density, the FCB also shows a region where these two quantities decrease below the ambient solar wind (SW) values. Here, we study a FCB observed by Cluster-1. This FCB shows that although sometimes FCBs are transition regions between the pristine solar wind plasma and the foreshock plasma, in this case the FCB separates a region with large amplitude waves from regions with high frequency (f{approx}1.7 Hz) small amplitude waves. We analyze the FCB properties, ion distributions inside them, and the waves near the structure.

  17. Weather Research and Forecasting Model with the Immersed Boundary Method

    Energy Science and Technology Software Center (OSTI)

    2012-05-01

    The Weather Research and Forecasting (WRF) Model with the immersed boundary method is an extension of the open-source WRF Model available for wwww.wrf-model.org. The new code modifies the gridding procedure and boundary conditions in the WRF model to improve WRF's ability to simutate the atmosphere in environments with steep terrain and additionally at high-resolutions.

  18. A boundary-value problem in weighted Hölder spaces for elliptic equations which degenerate at the boundary of the domain

    SciTech Connect (OSTI)

    Bazalii, B V; Degtyarev, S P

    2013-07-31

    An elliptic boundary-value problem for second-order equations with nonnegative characteristic form is investigated in the situation when there is a weak degeneracy on the boundary of the domain. A priori estimates are obtained for solutions and the problem is proved to be solvable in some weighted Hölder spaces. Bibliography: 18 titles.

  19. Free boundary, high beta equilibrium in a large aspect ratio tokamak with

    Office of Scientific and Technical Information (OSTI)

    nearly circular plasma boundary (Technical Report) | SciTech Connect Free boundary, high beta equilibrium in a large aspect ratio tokamak with nearly circular plasma boundary Citation Details In-Document Search Title: Free boundary, high beta equilibrium in a large aspect ratio tokamak with nearly circular plasma boundary An analytic solution is obtained for free-boundary, high-beta equilibria in large aspect ratio tokamaks with a nearly circular plasma boundary. In the absence of surface

  20. Evaluation of Wall Boundary Condition Parameters for Gas-Solids

    Office of Scientific and Technical Information (OSTI)

    Evaluation of Wall Boundary Condition Parameters for Gas-Solids Fluidized-Bed Simulations Tingwen Li 1,2 , Sofiane Benyahia 1 1. National Energy Technology Laboratory, U.S. Department of Energy, Morgantown, WV 26507, U.S.A. 2. URS Corporation, Morgantown, WV 26505, U.S.A. Abstract Wall boundary conditions for the solids phase have significant effects on numerical predictions of various gas-solids fluidized beds. Several models for the granular flow wall boundary condition are available in the

  1. Marine Boundary Layer Cloud Observations in the Azores (Journal...

    Office of Scientific and Technical Information (OSTI)

    Marine Boundary Layer Cloud Observations in the Azores Citation Details ... Publication Date: 2012-11-01 OSTI Identifier: 1059795 Report Number(s): BNL--98829-2012-JA Journal ID: ISSN ...

  2. Science at the interface : grain boundaries in nanocrystalline metals.

    SciTech Connect (OSTI)

    Rodriguez, Mark Andrew; Follstaedt, David Martin; Knapp, James Arthur; Brewer, Luke N.; Holm, Elizabeth Ann; Foiles, Stephen Martin; Hattar, Khalid M.; Clark, Blythe B.; Olmsted, David L.; Medlin, Douglas L.

    2009-09-01

    Interfaces are a critical determinant of the full range of materials properties, especially at the nanoscale. Computational and experimental methods developed a comprehensive understanding of nanograin evolution based on a fundamental understanding of internal interfaces in nanocrystalline nickel. It has recently been shown that nanocrystals with a bi-modal grain-size distribution possess a unique combination of high-strength, ductility and wear-resistance. We performed a combined experimental and theoretical investigation of the structure and motion of internal interfaces in nanograined metal and the resulting grain evolution. The properties of grain boundaries are computed for an unprecedented range of boundaries. The presence of roughening transitions in grain boundaries is explored and related to dramatic changes in boundary mobility. Experimental observations show that abnormal grain growth in nanograined materials is unlike conventional scale material in both the level of defects and the formation of unfavored phases. Molecular dynamics simulations address the origins of some of these phenomena.

  3. ARM - PI Product - Planetary Boundary Layer from AERI and MPL

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

    love to hear from you Send us a note below or call us at 1-888-ARM-DATA. Send PI Product : Planetary Boundary Layer from AERI and MPL The distribution and transport of...

  4. Grain boundary and triple junction diffusion in nanocrystalline copper

    SciTech Connect (OSTI)

    Wegner, M. Leuthold, J.; Peterlechner, M.; Divinski, S. V.; Song, X.; Wilde, G.

    2014-09-07

    Grain boundary and triple junction diffusion in nanocrystalline Cu samples with grain sizes, ?d?, of ?35 and ?44?nm produced by spark plasma sintering were investigated by the radiotracer method using the {sup 63}Ni isotope. The measured diffusivities, D{sub eff}, are comparable with those determined previously for Ni grain boundary diffusion in well-annealed, high purity, coarse grained, polycrystalline copper, substantiating the absence of a grain size effect on the kinetic properties of grain boundaries in a nanocrystalline material at grain sizes d???35?nm. Simultaneously, the analysis predicts that if triple junction diffusion of Ni in Cu is enhanced with respect to the corresponding grain boundary diffusion rate, it is still less than 500?D{sub gb} within the temperature interval from 420?K to 470?K.

  5. The Puzzling Boundaries of Topological Quantum Matter | Argonne...

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

    The Puzzling Boundaries of Topological Quantum Matter January 8, 2016 11:00AM to 12:00PM Presenter Michael Levin, University of Chicago Location Building 203 Type Colloquium Series...

  6. Mineral Deformation at Earth's Core-Mantle Boundary

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

    (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have...

  7. Evaluation of wall boundary condition parameters for gas-solids...

    Office of Scientific and Technical Information (OSTI)

    Several models for the granular flow wall boundary condition are available in the open ... 2012, 58, 2058-2068) is implemented in the open-source CFD code-MFIX. The variable ...

  8. Mineral Deformation at Earth's Core-Mantle Boundary

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

    Mineral Deformation at Earth's Core-Mantle Boundary Print Earth is a dynamic planet in which convection takes place on the scale of thousands of kilometers. Because Earth is mostly solid (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in certain directions. This seismic anisotropy appears to be related to the deformation of

  9. Mineral Deformation at Earth's Core-Mantle Boundary

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

    Mineral Deformation at Earth's Core-Mantle Boundary Print Earth is a dynamic planet in which convection takes place on the scale of thousands of kilometers. Because Earth is mostly solid (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in certain directions. This seismic anisotropy appears to be related to the deformation of

  10. Mineral Deformation at Earth's Core-Mantle Boundary

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

    Mineral Deformation at Earth's Core-Mantle Boundary Print Earth is a dynamic planet in which convection takes place on the scale of thousands of kilometers. Because Earth is mostly solid (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in certain directions. This seismic anisotropy appears to be related to the deformation of

  11. Effects of tricritical points and morphotropic phase boundaries on the

    Office of Scientific and Technical Information (OSTI)

    piezoelectric properties of ferroelectrics (Journal Article) | SciTech Connect Effects of tricritical points and morphotropic phase boundaries on the piezoelectric properties of ferroelectrics Citation Details In-Document Search Title: Effects of tricritical points and morphotropic phase boundaries on the piezoelectric properties of ferroelectrics Authors: Porta, Marcel ; Lookman, Turab Publication Date: 2011-05-13 OSTI Identifier: 1099369 Type: Publisher's Accepted Manuscript Journal Name:

  12. Evidence of ion mixing increasing the thermal boundary conductance across

    Office of Scientific and Technical Information (OSTI)

    aluminum/silicon interfaces. (Journal Article) | SciTech Connect Evidence of ion mixing increasing the thermal boundary conductance across aluminum/silicon interfaces. Citation Details In-Document Search Title: Evidence of ion mixing increasing the thermal boundary conductance across aluminum/silicon interfaces. Abstract not provided. Authors: Hattar, Khalid Mikhiel ; Beechem Iii, Thomas Edwin ; Ihlefeld, Jon F. ; Biedermann, Laura Butler ; Piekos, Edward Stanley ; Medlin, Douglas L. [1] ;

  13. Examining Atomistic Defect/Boundary Interactions Induced by Light Ion

    Office of Scientific and Technical Information (OSTI)

    Irradiation (Conference) | SciTech Connect Conference: Examining Atomistic Defect/Boundary Interactions Induced by Light Ion Irradiation Citation Details In-Document Search Title: Examining Atomistic Defect/Boundary Interactions Induced by Light Ion Irradiation Authors: Aguiar, Jeffery [1] ; Dholabhai, Pratik [1] ; Misra, Amit [1] ; Jia, Quanxi [1] ; Uberuaga, Blas P. [1] ; Bi, Zhenxing [2] ; Fu, Engang [2] ; Zhu, Jiangtao [3] ; Aoki, Toshihiro [3] ; Chi, Miaofang [4] + Show Author

  14. Examining Atomistic Defect/Boundary Interactions Induced by Light Ion

    Office of Scientific and Technical Information (OSTI)

    Irradiation (Conference) | SciTech Connect Conference: Examining Atomistic Defect/Boundary Interactions Induced by Light Ion Irradiation Citation Details In-Document Search Title: Examining Atomistic Defect/Boundary Interactions Induced by Light Ion Irradiation × You are accessing a document from the Department of Energy's (DOE) SciTech Connect. This site is a product of DOE's Office of Scientific and Technical Information (OSTI) and is provided as a public service. Visit OSTI to utilize

  15. Lower Atmospheric Boundary Layer Experiment (LABLE) Final Campaign Report

    Office of Scientific and Technical Information (OSTI)

    (Program Document) | SciTech Connect Program Document: Lower Atmospheric Boundary Layer Experiment (LABLE) Final Campaign Report Citation Details In-Document Search Title: Lower Atmospheric Boundary Layer Experiment (LABLE) Final Campaign Report × You are accessing a document from the Department of Energy's (DOE) SciTech Connect. This site is a product of DOE's Office of Scientific and Technical Information (OSTI) and is provided as a public service. Visit OSTI to utilize additional

  16. Flavor twisted boundary conditions in the Breit frame

    SciTech Connect (OSTI)

    Jiang, F.-J.; Tiburzi, B. C.

    2008-08-01

    We use a generalization of chiral perturbation theory to account for the effects of flavor twisted boundary conditions in the Breit frame. The relevant framework for two light flavors is an SU(6|4) partially quenched theory, where the extra valence quarks differ only by their boundary conditions. Focusing on the pion electromagnetic form factor, finite volume corrections are calculated at next-to-leading order in the chiral expansion and are estimated to be small on current lattices.

  17. RACORO continental boundary layer cloud investigations. 2. Large-eddy

    Office of Scientific and Technical Information (OSTI)

    simulations of cumulus clouds and evaluation with in-situ and ground-based observations (Journal Article) | SciTech Connect RACORO continental boundary layer cloud investigations. 2. Large-eddy simulations of cumulus clouds and evaluation with in-situ and ground-based observations Citation Details In-Document Search This content will become publicly available on June 19, 2016 Title: RACORO continental boundary layer cloud investigations. 2. Large-eddy simulations of cumulus clouds and

  18. RACORO continental boundary layer cloud investigations. 3. Separation of

    Office of Scientific and Technical Information (OSTI)

    parameterization biases in single-column model CAM5 simulations of shallow cumulus (Journal Article) | SciTech Connect RACORO continental boundary layer cloud investigations. 3. Separation of parameterization biases in single-column model CAM5 simulations of shallow cumulus Citation Details In-Document Search This content will become publicly available on June 19, 2016 Title: RACORO continental boundary layer cloud investigations. 3. Separation of parameterization biases in single-column

  19. Mineral Deformation at Earth's Core-Mantle Boundary

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

    Mineral Deformation at Earth's Core-Mantle Boundary Print Earth is a dynamic planet in which convection takes place on the scale of thousands of kilometers. Because Earth is mostly solid (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in certain directions. This seismic anisotropy appears to be related to the deformation of

  20. Mineral Deformation at Earth's Core-Mantle Boundary

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

    Mineral Deformation at Earth's Core-Mantle Boundary Print Earth is a dynamic planet in which convection takes place on the scale of thousands of kilometers. Because Earth is mostly solid (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in certain directions. This seismic anisotropy appears to be related to the deformation of

  1. Mineral Deformation at Earth's Core-Mantle Boundary

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

    Mineral Deformation at Earth's Core-Mantle Boundary Print Earth is a dynamic planet in which convection takes place on the scale of thousands of kilometers. Because Earth is mostly solid (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in certain directions. This seismic anisotropy appears to be related to the deformation of

  2. Mineral Deformation at Earth's Core-Mantle Boundary

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

    Mineral Deformation at Earth's Core-Mantle Boundary Print Earth is a dynamic planet in which convection takes place on the scale of thousands of kilometers. Because Earth is mostly solid (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in certain directions. This seismic anisotropy appears to be related to the deformation of

  3. Mineral Deformation at Earth's Core-Mantle Boundary

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

    Mineral Deformation at Earth's Core-Mantle Boundary Print Earth is a dynamic planet in which convection takes place on the scale of thousands of kilometers. Because Earth is mostly solid (except for its liquid-iron outer core), this convection causes deformation of solid rocks by plastic flow. At the core-mantle boundary (CMB), 2900 km deep, seismologists have discovered that seismic waves travel faster in certain directions. This seismic anisotropy appears to be related to the deformation of

  4. Automatic Identification and Truncation of Boundary Outlets in Complex

    Office of Scientific and Technical Information (OSTI)

    Imaging-Derived Biomedical Geometries (Journal Article) | SciTech Connect Automatic Identification and Truncation of Boundary Outlets in Complex Imaging-Derived Biomedical Geometries Citation Details In-Document Search Title: Automatic Identification and Truncation of Boundary Outlets in Complex Imaging-Derived Biomedical Geometries Fast and accurate reconstruction of imaging-derived geometries and subsequent quality mesh generation for biomedical computation are enabling technologies for

  5. Boundary condition and fuel composition effects on injection processes of

    Office of Scientific and Technical Information (OSTI)

    high-pressure sprays at the microscopic level (Journal Article) | DOE PAGES Publisher's Accepted Manuscript: Boundary condition and fuel composition effects on injection processes of high-pressure sprays at the microscopic level This content will become publicly available on March 22, 2018 « Prev Next » Title: Boundary condition and fuel composition effects on injection processes of high-pressure sprays at the microscopic level Authors: Manin, J. ; Bardi, M. ; Pickett, L. M. ; Payri, R.

  6. Clouds, Precipitation, and Marine Boundary Layer Structure during the MAGIC

    Office of Scientific and Technical Information (OSTI)

    Field Campaign (Journal Article) | SciTech Connect Journal Article: Clouds, Precipitation, and Marine Boundary Layer Structure during the MAGIC Field Campaign Citation Details In-Document Search Title: Clouds, Precipitation, and Marine Boundary Layer Structure during the MAGIC Field Campaign The recent ship-based MAGIC (Marine ARM GCSS Pacific Cross-Section Intercomparison (GPCI) Investigation of Clouds) field campaign with the marine-capable Second ARM Mobile Facility (AMF2) deployed on the

  7. Retrieving 4-dimensional atmospheric boundary layer structure from surface

    Office of Scientific and Technical Information (OSTI)

    observations and profiles over a single station (Technical Report) | SciTech Connect Retrieving 4-dimensional atmospheric boundary layer structure from surface observations and profiles over a single station Citation Details In-Document Search Title: Retrieving 4-dimensional atmospheric boundary layer structure from surface observations and profiles over a single station Most routine measurements from climate study facilities, such as the Department of Energy's ARM SGP site, come from

  8. Thermal boundary conductance accumulation and spectral phonon transmission

    Office of Scientific and Technical Information (OSTI)

    across interfaces: experimental measurements across metal/native oxide/Si and metal/sapphire interfaces. (Journal Article) | SciTech Connect Thermal boundary conductance accumulation and spectral phonon transmission across interfaces: experimental measurements across metal/native oxide/Si and metal/sapphire interfaces. Citation Details In-Document Search Title: Thermal boundary conductance accumulation and spectral phonon transmission across interfaces: experimental measurements across

  9. Uniaxial stress-driven coupled grain boundary motion in hexagonal

    Office of Scientific and Technical Information (OSTI)

    close-packed metals: A molecular dynamics study (Journal Article) | SciTech Connect Uniaxial stress-driven coupled grain boundary motion in hexagonal close-packed metals: A molecular dynamics study Citation Details In-Document Search This content will become publicly available on January 1, 2017 Title: Uniaxial stress-driven coupled grain boundary motion in hexagonal close-packed metals: A molecular dynamics study Authors: Zong, Hongxiang ; Ding, Xiangdong ; Lookman, Turab ; Li, Ju ; Sun,

  10. Contributions of anharmonic phonon interactions to thermal boundary conductance.

    SciTech Connect (OSTI)

    Hopkins, Patrick E.; Norris, Pamela M.; Duda, John C.

    2010-05-01

    Continued reduction of characteristic dimensions in nanosystems has given rise to increasing importance of material interfaces on the overall system performance. With regard to thermal transport, this increases the need for a better fundamental understanding of the processes affecting interfacial thermal transport, as characterized by the thermal boundary conductance. When thermal boundary conductance is driven by phononic scattering events, accurate predictions of interfacial transport must account for anharmonic phononic coupling as this affects the thermal transmission. In this paper, a new model for phononic thermal boundary conductance is developed that takes into account anharonic coupling, or inelastic scattering events, at the interface between two materials. Previous models for thermal boundary conductance are first reviewed, including the Diffuse Mismatch Model, which only consdiers elastic phonon scattering events, and earlier attempts to account for inelastic phonon scattering, namely, the Maximum Transmission Model and the Higher Harmonic Inelastic model. A new model is derived, the Anharmonic Inelastic Model, which provides a more physical consideration of the effects of inelastic scattering on thermal boundary conductance. This is accomplished by considering specific ranges of phonon frequency interactions and phonon number density conservation. Thus, this model considers the contributions of anharmonic, inelastically scattered phonons to thermal boundary conductance. This new Anharmonic Inelastic Model shows excellent agreement between model predictions and experimental data at the Pb/diamond interface due to its ability to account for the temperature dependent changing phonon population in diamond, which can couple anharmonically with multiple phonons in Pb.

  11. Domain pinning near a single-grain boundary in tetragonal and...

    Office of Scientific and Technical Information (OSTI)

    Domain pinning near a single-grain boundary in tetragonal and rhombohedral lead zirconate ... Title: Domain pinning near a single-grain boundary in tetragonal and rhombohedral lead ...

  12. Explicit Expressions for 3D Boundary Integrals in Potential Theory

    SciTech Connect (OSTI)

    Nintcheu Fata, Sylvain

    2009-01-01

    On employing isoparametric, piecewise linear shape functions over a flat triangular domain, exact expressions are derived for all surface potentials involved in the numerical solution of three-dimensional singular and hyper-singular boundary integral equations of potential theory. These formulae, which are valid for an arbitrary source point in space, are represented as analytic expressions over the edges of the integration triangle. They can be used to solve integral equations defined on polygonal boundaries via the collocation method or may be utilized as analytic expressions for the inner integrals in the Galerkin technique. Also, the constant element approximation can be directly obtained with no extra effort. Sample problems solved by the collocation boundary element method for the Laplace equation are included to validate the proposed formulae.

  13. DYNA3D Non-reflecting Boundary Conditions - Test Problems

    SciTech Connect (OSTI)

    Zywicz, E

    2006-09-28

    Two verification problems were developed to test non-reflecting boundary segments in DYNA3D (Whirley and Engelmann, 1993). The problems simulate 1-D wave propagation in a semi-infinite rod using a finite length rod and non-reflecting boundary conditions. One problem examines pure pressure wave propagation, and the other problem explores pure shear wave propagation. In both problems the non-reflecting boundary segments yield results that differ only slightly (less than 6%) during a short duration from their corresponding theoretical solutions. The errors appear to be due to the inability to generate a true step-function compressive wave in the pressure wave propagation problem and due to segment integration inaccuracies in the shear wave propagation problem. These problems serve as verification problems and as regression test problems for DYNA3D.

  14. U.S. Total Exports

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

    CA Otay Mesa, CA Alamo, TX Clint, TX Del Rio, TX Eagle Pass, TX El Paso, TX Freeport, TX Hidalgo, TX Laredo, TX McAllen, TX Penitas, TX Rio Bravo, TX Rio Grande, TX Roma, TX Total ...

  15. Edge Plasma Boundary Layer Generated By Kink Modes in Tokamaks

    SciTech Connect (OSTI)

    L.E. Zakharov

    2010-11-22

    This paper describes the structure of the electric current generated by external kink modes at the plasma edge using the ideally conducting plasma model. It is found that the edge current layer is created by both wall touching and free boundary kink modes. Near marginal stability, the total edge current has a universal expression as a result of partial compensation of the ?-functional surface current by the bulk current at the edge. The resolution of an apparent paradox with the pressure balance across the plasma boundary in the presence of the surface currents is provided.

  16. Gradient zone boundary control in salt gradient solar ponds

    DOE Patents [OSTI]

    Hull, John R.

    1984-01-01

    A method and apparatus for suppressing zone boundary migration in a salt gradient solar pond includes extending perforated membranes across the pond at the boundaries, between the convective and non-convective zones, the perforations being small enough in size to prevent individual turbulence disturbances from penetrating the hole, but being large enough to allow easy molecular diffusion of salt thereby preventing the formation of convective zones in the gradient layer. The total area of the perforations is a sizable fraction of the membrane area to allow sufficient salt diffusion while preventing turbulent entrainment into the gradient zone.

  17. Subjective surfaces: a geometric model for boundary completion

    SciTech Connect (OSTI)

    Sarti, Alessandro; Malladi, Ravi; Sethian, J.A.

    2000-06-01

    We present a geometric model and a computational method for segmentation of images with missing boundaries. In many situations, the human visual system fills in missing gaps in edges and boundaries, building and completing information that is not present. Boundary completion presents a considerable challenge in computer vision, since most algorithms attempt to exploit existing data. A large body of work concerns completion models, which postulate how to construct missing data; these models are often trained and specific to particular images. In this paper, we take the following, alternative perspective: we consider a reference point within an image as given, and then develop an algorithm which tries to build missing information on the basis of the given point of view and the available information as boundary data to the algorithm. Starting from this point of view, a surface is constructed. It is then evolved with the mean curvature flow in the metric induced by the image until a piecewise constant solution is reached. We test the computational model on modal completion, amodal completion, texture, photo and medical images. We extend the geometric model and the algorithm to 3D in order to extract shapes from low signal/noise ratio medical volumes. Results in 3D echocardiography and 3D fetal echography are presented.

  18. Flavor twisted boundary conditions and the nucleon vector current

    SciTech Connect (OSTI)

    Jiang, F.-J.; Tiburzi, B. C.

    2008-12-01

    Using flavor twisted boundary conditions, we study nucleon matrix elements of the vector current. We twist only the active quarks that couple to the current. Finite volume corrections due to twisted boundary conditions are determined using partially twisted, partially quenched, heavy baryon chiral perturbation theory, which we develop for the graded group SU(7|5). Asymptotically these corrections are exponentially small in the volume, but can become pronounced for small twist angles. Utilizing the Breit frame does not mitigate volume corrections to nucleon vector current matrix elements. The derived expressions will allow for better controlled extractions of the isovector magnetic moment and the electromagnetic radii from simulations at zero lattice momentum. Our formalism, moreover, can be applied to any nucleon matrix elements.

  19. Warm Bias and Parameterization of Boundary Upwelling in Ocean Models

    SciTech Connect (OSTI)

    Cessi, Paola; Wolfe, Christopher

    2012-11-06

    It has been demonstrated that Eastern Boundary Currents (EBC) are a baroclinic intensification of the interior circulation of the ocean due to the emergence of mesoscale eddies in response to the sharp buoyancy gradients driven by the wind-stress and the thermal surface forcing. The eddies accomplish the heat and salt transport necessary to insure that the subsurface flow is adiabatic, compensating for the heat and salt transport effected by the mean currents. The EBC thus generated occurs on a cross-shore scale of order 20-100 km, and thus this scale needs to be resolved in climate models in order to capture the meridional transport by the EBC. Our result indicate that changes in the near shore currents on the oceanic eastern boundaries are linked not just to local forcing, such as coastal changes in the winds, but depend on the basin-wide circulation as well.

  20. Shock wave convergence in water with parabolic wall boundaries

    SciTech Connect (OSTI)

    Yanuka, D.; Shafer, D.; Krasik, Ya.

    2015-04-28

    The convergence of shock waves in water, where the cross section of the boundaries between which the shock wave propagates is either straight or parabolic, was studied. The shock wave was generated by underwater electrical explosions of planar Cu wire arrays using a high-current generator with a peak output current of ?45?kA and rise time of ?80?ns. The boundaries of the walls between which the shock wave propagates were symmetric along the z axis, which is defined by the direction of the exploding wires. It was shown that with walls having a parabolic cross section, the shock waves converge faster and the pressure in the vicinity of the line of convergence, calculated by two-dimensional hydrodynamic simulations coupled with the equations of state of water and copper, is also larger.

  1. Molecular dynamics simulations of grain boundaries in thin nanocrystalline silicon films

    SciTech Connect (OSTI)

    Berman, G.P.; Doolen, G.D.; Mainieri, R.; Campbell, D.K.; Luchnikov, V.A. |

    1997-10-01

    Using molecular dynamics simulations, the grain boundaries in thin polycrystalline silicon films (considered as promising material for future nanoelectronic devices) are investigated. It is shown that in polysilicon film with randomly oriented grains the majority of grain boundaries are disordered. However, some grains with small mutual orientation differences can form extended crystalline patterns. The structure of the grain boundaries satisfies the thermodynamical criterion. The majority of atoms in the grain boundaries are tetrahedrally coordinated with the nearest neighbors, even though the grain boundaries are disordered. The grain boundary matter is characterized as an amorphous phase with a characteristic tetragonality value.

  2. Intergranular degradation assessment via random grain boundary network analysis

    DOE Patents [OSTI]

    Kumar, Mukul; Schwartz, Adam J.; King, Wayne E.

    2002-01-01

    A method is disclosed for determining the resistance of polycrystalline materials to intergranular degradation or failure (IGDF), by analyzing the random grain boundary network connectivity (RGBNC) microstructure. Analysis of the disruption of the RGBNC microstructure may be assess the effectiveness of materials processing in increasing IGDF resistance. Comparison of the RGBNC microstructures of materials exposed to extreme operating conditions to unexposed materials may be used to diagnose and predict possible onset of material failure due to

  3. Charge Transport Anisotropy Due to Grain Boundaries in Directionally

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

    Crystallized Thin Films of Regio-Regular Poly(3-hexylthiophene) Charge Transport Anisotropy Due to Grain Boundaries in Directionally Crystallized Thin Films of Regio-Regular Poly(3-hexylthiophene) Semicrystalline polymers, such as polythiophenes, hold much promise as active layers in printable electronic devices such as photovoltaic cells, sensors, and thin film transistors. As organic semiconductors approach commercialization, there is a need to better understand the relationship between

  4. On the Boundary Condition Between Two Multiplying Media

    DOE R&D Accomplishments [OSTI]

    Friedman, F. L.; Wigner, E. P.

    1944-04-19

    The transition region between two parts of a pile which have different compositions is investigated. In the case where the moderator is the same in both parts of the pile, it is found that the diffusion constant times thermal neutron density plus diffusion constant times fast neutron density satisfies the usual pile equations everywhere, right to the boundary. More complicated formulae apply in a more general case.

  5. Vegetation Loblolly Pine N Site Boundary N Streams Roads

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

    Loblolly Pine N Site Boundary N Streams Roads [2J Other Set-Asides 6£] Hy~ric Soils < ____ n ____ ** __ ._ ** _______ 300 0 - L " " " " , 300 781 .3a 600 Meters Soils Soil Series and Phase _TrB Figure 4-1. Plant CO/lllllllllties and soils associated with the Loblolly Pine Stand Set-Aside Area. sc 4-5 Set-Aside 4: Loblolly Pine Stand

  6. Vertical Velocities in Continental Boundary Layer Stratocumulus Clouds

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

    Boundary Layer Stratocumulus Clouds Virendra Ghate Bruce Albrecht and Pavlos Kollias Why BL Stratocumulus?? * Extensive Coverage - Cover ~24% of earth's surface - Persist of long time-scales * Impact on radiation budget - High SW albedo compared to land or ocean Klein and Hartmann 1993 But Why Continental Clouds? * They do exist - Monthly cloud fraction can vary from 10% to 23% * Impact on pollution & Diurnal Cycle - Affect pollutant venting out of BL & Aerosol processing by clouds *

  7. Argonne pushing boundaries of computing in engine simulations | Argonne

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

    National Laboratory The work will be conducted on MIRA, which is currently the fifth-fastest supercomputer in the world and serves as the epicenter of the Argonne Leadership Computing Facility. (Click image to view larger.) The work will be conducted on MIRA, which is currently the fifth-fastest supercomputer in the world and serves as the epicenter of the Argonne Leadership Computing Facility. (Click image to view larger.) Argonne pushing boundaries of computing in engine simulations By

  8. Friction of Steel Sliding Under Boundary Lubrication Regime in Commercial

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

    Gear Oils at Elevated Temperatures | Department of Energy This study was conducted to understand how to increase engine efficiency by reducing parasitic boundary regime friction losses and enable operation with lower viscosity oils while maintaining engine durability. PDF icon deer08_erck.pdf More Documents & Publications Impact of Low-Friction Surface Treatments on Engine Friction Low-Friction Engineered Surfaces Overview of Friction and Wear Reduction for Heavy Vehicles

  9. Approximations of very weak solutions to boundary-value problems.

    SciTech Connect (OSTI)

    Berggren, Martin Olof

    2003-03-01

    Standard weak solutions to the Poisson problem on a bounded domain have square-integrable derivatives, which limits the admissible regularity of inhomogeneous data. The concept of solution may be further weakened in order to define solutions when data is rough, such as for inhomogeneous Dirichlet data that is only square-integrable over the boundary. Such very weak solutions satisfy a nonstandard variational form (u, v) = G(v). A Galerkin approximation combined with an approximation of the right-hand side G defines a finite-element approximation of the very weak solution. Applying conforming linear elements leads to a discrete solution equivalent to the text-book finite-element solution to the Poisson problem in which the boundary data is approximated by L{sub 2}-projections. The L{sub 2} convergence rate of the discrete solution is O(h{sub s}) for some s {element_of} (0,1/2) that depends on the shape of the domain, asserting a polygonal (two-dimensional) or polyhedral (three-dimensional) domain without slits and (only) square-integrable boundary data.

  10. Improving Subtropical Boundary Layer Cloudiness in the 2011 NCEP GFS

    SciTech Connect (OSTI)

    Fletcher, J. K.; Bretherton, Christopher S.; Xiao, Heng; Sun, Ruiyu N.; Han, J.

    2014-09-23

    The current operational version of National Centers for Environmental Prediction (NCEP) Global Forecasting System (GFS) shows significant low cloud bias. These biases also appear in the Coupled Forecast System (CFS), which is developed from the GFS. These low cloud biases degrade seasonal and longer climate forecasts, particularly of short-wave cloud radiative forcing, and affect predicted sea surface temperature. Reducing this bias in the GFS will aid the development of future CFS versions and contributes to NCEP's goal of unified weather and climate modelling. Changes are made to the shallow convection and planetary boundary layer parameterisations to make them more consistent with current knowledge of these processes and to reduce the low cloud bias. These changes are tested in a single-column version of GFS and in global simulations with GFS coupled to a dynamical ocean model. In the single-column model, we focus on changing parameters that set the following: the strength of shallow cumulus lateral entrainment, the conversion of updraught liquid water to precipitation and grid-scale condensate, shallow cumulus cloud top, and the effect of shallow convection in stratocumulus environments. Results show that these changes improve the single-column simulations when compared to large eddy simulations, in particular through decreasing the precipitation efficiency of boundary layer clouds. These changes, combined with a few other model improvements, also reduce boundary layer cloud and albedo biases in global coupled simulations.

  11. Assessment of local deformation using EBSD: Quantification of local damage at grain boundaries

    SciTech Connect (OSTI)

    Kamaya, Masayuki

    2012-04-15

    Electron backscatter diffraction (EBSD) in conjunction with scanning electron microscopy was used to assess localization of the local misorientation to grain boundary. In order to quantify the degree of localization, a parameter, which was referred to as the grain boundary local misorientation, was proposed. Through crystal orientation measurements using deformed Type 316 stainless steel, it was shown that the grain boundary local misorientation increased with the applied plastic strain. Particularly, at several grain boundaries, the grain boundary local misorientation was more than 3 times the local misorientation averaged for the whole area. Surface observations revealed that the large local misorientation near the grain boundaries was attributed to the impeded slip steps rather than the number of slip steps observed on the surface. The magnitude of the grain boundary local misorientation had a week correlation with grain boundary length or grain boundary misorientation, and no correlation was found for twin boundaries. Finally, it was shown that the maximum grain boundary local misorientation could be estimated statistically, and the estimated maximum value for the specimen surface with an area of 80 mm{sup 2} was 10.6 times the averaged value. - Highlights: Black-Right-Pointing-Pointer The grain boundary local misorientation was proposed. Black-Right-Pointing-Pointer The maximum grain boundary local misorientation could be estimated statistically. Black-Right-Pointing-Pointer The large local misorientation was attributed to the impeded slip steps.

  12. Grain boundary plane orientation fundamental zones and structure-property relationships

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

    Homer, Eric R.; Patala, Srikanth; Priedeman, Jonathan L.

    2015-10-26

    Grain boundary plane orientation is a profoundly important determinant of character in polycrystalline materials that is not well understood. This work demonstrates how boundary plane orientation fundamental zones, which capture the natural crystallographic symmetries of a grain boundary, can be used to establish structure-property relationships. Using the fundamental zone representation, trends in computed energy, excess volume at the grain boundary, and temperature-dependent mobility naturally emerge and show a strong dependence on the boundary plane orientation. Analysis of common misorientation axes even suggests broader trends of grain boundary energy as a function of misorientation angle and plane orientation. Due to themore » strong structure-property relationships that naturally emerge from this work, boundary plane fundamental zones are expected to simplify analysis of both computational and experimental data. This standardized representation has the potential to significantly accelerate research in the topologically complex and vast five-dimensional phase space of grain boundaries.« less

  13. PERCOLATION ON GRAIN BOUNDARY NETWORKS: APPLICATION TO FISSION GAS RELEASE IN NUCLEAR FUELS

    SciTech Connect (OSTI)

    Paul C. Millett

    2012-02-01

    The percolation behavior of grain boundary networks is characterized in two- and three-dimensional lattices with circular macroscale cross-sections that correspond to nuclear fuel elements. The percolation of gas bubbles on grain boundaries, and the subsequent percolation of grain boundary networks is the primary mechanism of fission gas release from nuclear fuels. Both radial cracks and radial gradients in grain boundary property distributions are correlated with the fraction of grain boundaries vented to the free surfaces. Our results show that cracks surprisingly do not significantly increase the percolation of uniform grain boundary networks. However, for networks with radial gradients in boundary properties, the cracks can considerably raise the vented grain boundary content.

  14. ARM: X-Band Scanning ARM Cloud Radar (XSACR) Boundary Layer RHI...

    Office of Scientific and Technical Information (OSTI)

    Title: ARM: X-Band Scanning ARM Cloud Radar (XSACR) Boundary Layer RHI Scan X-Band Scanning ARM Cloud Radar (XSACR) Boundary Layer RHI Scan Authors: Dan Nelson ; Joseph Hardin ; ...

  15. Grain boundary plane orientation fundamental zones and structure-property relationships

    SciTech Connect (OSTI)

    Homer, Eric R.; Patala, Srikanth; Priedeman, Jonathan L.

    2015-10-26

    Grain boundary plane orientation is a profoundly important determinant of character in polycrystalline materials that is not well understood. This work demonstrates how boundary plane orientation fundamental zones, which capture the natural crystallographic symmetries of a grain boundary, can be used to establish structure-property relationships. Using the fundamental zone representation, trends in computed energy, excess volume at the grain boundary, and temperature-dependent mobility naturally emerge and show a strong dependence on the boundary plane orientation. Analysis of common misorientation axes even suggests broader trends of grain boundary energy as a function of misorientation angle and plane orientation. Due to the strong structure-property relationships that naturally emerge from this work, boundary plane fundamental zones are expected to simplify analysis of both computational and experimental data. This standardized representation has the potential to significantly accelerate research in the topologically complex and vast five-dimensional phase space of grain boundaries.

  16. Evaluation of wall boundary condition parameters for gas-solids fluidized

    Office of Scientific and Technical Information (OSTI)

    bed simulations (Journal Article) | SciTech Connect Evaluation of wall boundary condition parameters for gas-solids fluidized bed simulations Citation Details In-Document Search Title: Evaluation of wall boundary condition parameters for gas-solids fluidized bed simulations Wall boundary conditions for the solids phase have significant effects on numerical predictions of various gas-solids fluidized beds. Several models for the granular flow wall boundary condition are available in the open

  17. The Kastler-Kalau-Walze type theorem for six-dimensional manifolds with boundary

    SciTech Connect (OSTI)

    Wang, Jian; Wang, Yong E-mail: wangy581@nenu.edu.cn

    2015-05-15

    In this paper, we define lower dimensional volumes of spin manifolds with boundary. We compute the lower dimensional volume V ol{sub 6}{sup (1,3)} for 6-dimensional spin manifolds with boundary and derive the gravity on boundary from the noncommutative residue associated with Dirac operators. For 6-dimensional manifolds with boundary, we also get a Kastler-Kalau-Walze type theorem for a general fourth order operator.

  18. TX, RRC District 1 Proved Nonproducing Reserves

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

    26 144 436 1,266 1,324 1,427 1996-2014 Lease Condensate (million bbls) 6 28 128 257 158 233 1998-2014 Total Gas (billion cu ft) 743 1,725 3,627 6,524 4,317 7,542 1996-2014 Nonassociated Gas (billion cu ft) 719 1,545 2,960 4,532 2,079 4,721 1996-2014 Associated Gas (billion cu ft) 24 180 667 1,992 2,238 2,821

  19. TX, RRC District 10 Proved Nonproducing Reserves

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

    9 35 51 70 70 46 1996-2014 Lease Condensate (million bbls) 27 55 54 59 41 68 1998-2014 Total Gas (billion cu ft) 2,325 3,353 2,954 2,906 2,062 2,744 1996-2014 Nonassociated Gas (billion cu ft) 2,162 3,138 2,633 2,579 1,728 2,486 1996-2014 Associated Gas (billion cu ft) 163 215 321 327 334 258

  20. TX, RRC District 5 Proved Nonproducing Reserves

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

    0 1 29 12 28 1996-2014 Lease Condensate (million bbls) 0 0 0 0 0 0 1998-2014 Total Gas (billion cu ft) 9,039 9,340 8,784 3,255 2,729 3,216 1996-2014 Nonassociated Gas (billion cu ft) 9,039 9,340 8,779 3,237 2,724 3,201 1996-2014 Associated Gas (billion cu ft) 0 0 5 18 5 15

  1. TX, RRC District 6 Proved Nonproducing Reserves

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

    2 11 16 32 18 40 1996-2014 Lease Condensate (million bbls) 21 34 25 39 27 42 1998-2014 Total Gas (billion cu ft) 5,690 7,090 6,712 4,849 4,273 4,458 1996-2014 Nonassociated Gas (billion cu ft) 5,671 6,977 6,596 4,643 4,087 4,373 1996-2014 Associated Gas (billion cu ft) 19 113 116 206 186 8

  2. TX, RRC District 8 Proved Nonproducing Reserves

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

    679 790 934 1,144 1,057 1,441 1996-2014 Lease Condensate (million bbls) 6 44 19 29 30 20 1998-2014 Total Gas (billion cu ft) 2,469 2,518 2,891 2,626 2,752 3,333 1996-2014 Nonassociated Gas (billion cu ft) 1,427 1,157 991 335 402 368 1996-2014 Associated Gas (billion cu ft) 1,042 1,361 1,900 2,291 2,350 2,965

  3. TX, RRC District 9 Proved Nonproducing Reserves

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

    5 21 20 32 20 39 1996-2014 Lease Condensate (million bbls) 8 8 12 8 10 4 1998-2014 Total Gas (billion cu ft) 4,168 4,274 2,974 2,824 2,455 2,133 1996-2014 Nonassociated Gas (billion cu ft) 3,935 4,043 2,724 2,452 2,236 1,763 1996-2014 Associated Gas (billion cu ft) 233 231 250 372 219 370

  4. TX, State Offshore Proved Nonproducing Reserves

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

    0 0 1 0 0 0 1996-2014 Lease Condensate (million bbls) 2 0 1 0 1 0 1998-2014 Total Gas (billion cu ft) 61 29 29 24 15 10 1996-2014 Nonassociated Gas (billion cu ft) 59 29 25 22 13 10 1996-2014 Associated Gas (billion cu ft) 2 0 4 2 2 0

  5. Roma, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    36,813 65,794 133,769 138,340 154,471 168,049 1999-2015 Pipeline Prices 4.55 4.14 2.86 3.80 4.62 2.79

  6. ~txF7D.ptx

    Energy Savers [EERE]

    THURSDAY OCTOBER 20, 2011 + + + + + The Electricity Advisory Committee met, in the Conference Center of the National Rural Electric Cooperative Association Headquarters, 4301 Wilson Boulevard, Arlington, Virginia, at 8:00 a.m., Richard Cowart, Chair, presiding. MEMBERS PRESENT RICHARD COWART, Regulatory Assistance Project, Chair RICK BOWEN, Alcoa RALPH CAVANAGH, Natural Resources Defense Council THE HONORABLE ROBERT CURRY, New York State Public Service Commission JOSE DELGADO, American

  7. Micro-Grids for Colonias (TX)

    SciTech Connect (OSTI)

    Dean Schneider; Michael Martin; Renee Berry; Charles Moyer

    2012-07-31

    This report describes the results of the final implementation and testing of a hybrid micro-grid system designed for off-grid applications in underserved Colonias along the Texas/Mexico border. The project is a federally funded follow-on to a project funded by the Texas State Energy Conservation Office in 2007 that developed and demonstrated initial prototype hybrid generation systems consisting of a proprietary energy storage technology, high efficiency charging and inverting systems, photovoltaic cells, a wind turbine, and bio-diesel generators. This combination of technologies provided continuous power to dwellings that are not grid connected, with a significant savings in fuel by allowing power generation at highly efficient operating conditions. The objective of this project was to complete development of the prototype systems and to finalize and engineering design; to install and operate the systems in the intended environment, and to evaluate the technical and economic effectiveness of the systems. The objectives of this project were met. This report documents the final design that was achieved and includes the engineering design documents for the system. The system operated as designed, with the system availability limited by maintenance requirements of the diesel gensets. Overall, the system achieved a 96% availability over the operation of the three deployed systems. Capital costs of the systems were dependent upon both the size of the generation system and the scope of the distribution grid, but, in this instance, the systems averaged $0.72/kWh delivered. This cost would decrease significantly as utilization of the system increased. The system with the highest utilization achieved a capitol cost amortized value of $0.34/kWh produced. The average amortized fuel and maintenance cost was $0.48/kWh which was dependent upon the amount of maintenance required by the diesel generator. Economically, the system is difficult to justify as an alternative to grid power. However, the operational costs are reasonable if grid power is unavailable, e.g. in a remote area or in a disaster recovery situation. In fact, avoided fuel costs for the smaller of the systems in use during this project would have a payback of the capital costs of that system in 2.3 years, far short of the effective system life.

  8. Microsoft Word - abstract-lacognata-tx_2012

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

    ASTROPHYSICAL ENERGIES Dr. M. La Cognata INFN-Laboratori Nazionali del Sud, Catania, Italy ABSTRACT The 19 F(p,) 16 O reaction is an important fluorine destruction channel in ...

  9. Clint, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    87,449 96,722 101,585 108,573 123,670 126,022 1997-2015 Pipeline Prices 4.61 4.29 3.08 4.05 4.68 2.70 1997

  10. Hidalgo, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    Annual Download Series History Download Series History Definitions, Sources & Notes Definitions, Sources & Notes Show Data By: Data Series Area 2009 2010 2011 2012 2013 2014 View History Pipeline Volumes 284 62 0 0 0 0 1996-2014 Pipeline Prices 4.40 4.21 -- -- -- -- 1996-2014

  11. Hidalgo, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    0 2,506 9,227 14,862 8,817 1996-2015 Pipeline Prices -- -- 3.47 3.92 4.68 2.28 1996

  12. Penitas, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    Working Gas from Same Month Previous Year (Percent) Producing Region Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year (Percent) Pacific Producing Region Natural Gas in Underground Storage - Change in Working Gas from Same Month Previous Year (Percent) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2015 39.40 137.00 162.70 103.50 62.40 34.80 25.30 14.90 12.90 9.80 8.70 -0.90 2016 0.10 -3.90 - = No Data Reported; -- = Not Applicable; NA = Not

  13. Alamo, TX Natural Gas Exports to Mexico

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    3,678 27,479 48,850 72,039 76,111 78,866 1998-2014 Pipeline Prices 3.95 4.50 4.10 2.86 3.81 4.63 1998...

  14. Crystallographic Characteristics of Grain Boundaries in Dense Yttria-Stabilized Zirconia

    SciTech Connect (OSTI)

    Lam Helmick; Shen J. Dillon; Kirk Gerdes; Randall Gemmen; Gregory S. Rohrer; Sridhar Seetharaman; Paul A. Salvador

    2010-04-01

    Grain-boundary plane, misorientation angle, grain size, and grain-boundary energy distributions were quantified using electron backscatter diffraction data for dense polycrystalline yttria-stabilized zirconia, to understand interfacial crystallography in solid oxide fuel cells. Tape-cast samples were sintered at 14501C for 4 h and annealed for at least 100 h between 8001C and 16501C. Distributions obtained from both three-dimensional (3D) reconstructions and stereological analyses of 2D sections demonstrated that the (100) boundary planes {(111)} have relative areas larger {smaller} than expected in a random distribution, and that the boundary plane distribution is inversely correlated to the boundary energy distribution.

  15. Clear-sky and Cloudy Boundary Layers Virendra P. Ghate Argonne National Laboratory

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

    Clear-sky and Cloudy Boundary Layers Virendra P. Ghate Argonne National Laboratory Define Boundary Layer Stull (1988) defined the atmospheric boundary layer as "the part of the troposphere that is directly influenced by the presence of the earth's surface, and responds to surface forcings with a time scale of about an hour or less." Typical Boundary Layer Depths and time-scales Scenario Time/Length scale Clear-air Convective 30 mins/1 km Cumulus Topped Boundary Layer 30 mins/1 km

  16. Optimized boundary driven flows for dynamos in a sphere

    SciTech Connect (OSTI)

    Khalzov, I. V.; Brown, B. P.; Cooper, C. M.; Weisberg, D. B.; Forest, C. B. [Center for Magnetic Self Organization in Laboratory and Astrophysical Plasmas, University of Wisconsin-Madison, 1150 University Avenue, Madison, Wisconsin 53706 (United States)

    2012-11-15

    We perform numerical optimization of the axisymmetric flows in a sphere to minimize the critical magnetic Reynolds number Rm{sub cr} required for dynamo onset. The optimization is done for the class of laminar incompressible flows of von Karman type satisfying the steady-state Navier-Stokes equation. Such flows are determined by equatorially antisymmetric profiles of driving azimuthal (toroidal) velocity specified at the spherical boundary. The model is relevant to the Madison plasma dynamo experiment, whose spherical boundary is capable of differential driving of plasma in the azimuthal direction. We show that the dynamo onset in this system depends strongly on details of the driving velocity profile and the fluid Reynolds number Re. It is found that the overall lowest Rm{sub cr} Almost-Equal-To 200 is achieved at Re Almost-Equal-To 240 for the flow, which is hydrodynamically marginally stable. We also show that the optimized flows can sustain dynamos only in the range Rm{sub cr}

  17. Plasma Transport at the Magnetospheric Flank Boundary. Final report

    SciTech Connect (OSTI)

    Otto, Antonius

    2012-04-23

    Progress is highlighted in these areas: 1. Model of magnetic reconnection induced by three-dimensional Kelvin Helmholtz (KH) modes at the magnetospheric flank boundary; 2. Quantitative evaluation of mass transport from the magnetosheath onto closed geomagnetic field for northward IMF; 3. Comparison of mass transfer by cusp reconnection and Flank Kelvin Helmholtz modes; 4. Entropy constraint and plasma transport in the magnetotail - a new mechanism for current sheet thinning; 5. Test particle model for mass transport onto closed geomagnetic field for northward IMF; 6. Influence of density asymmetry and magnetic shear on (a) the linear and nonlinear growth of 3D Kelvin Helmholtz (KH) modes, and (b) three-dimensional KH mediated mass transport; 7. Examination of entropy and plasma transport in the magnetotail; 8. Entropy change and plasma transport by KH mediated reconnection - mixing and heating of plasma; 9. Entropy and plasma transport in the magnetotail - tail reconnection; and, 10. Wave coupling at the magnetospheric boundary and generation of kinetic Alfven waves.

  18. Fluorescence photon migration by the boundary element method

    SciTech Connect (OSTI)

    Fedele, Francesco; Eppstein, Margaret J. . E-mail: maggie.eppstein@uvm.edu; Laible, Jeffrey P.; Godavarty, Anuradha; Sevick-Muraca, Eva M.

    2005-11-20

    The use of the boundary element method (BEM) is explored as an alternative to the finite element method (FEM) solution methodology for the elliptic equations used to model the generation and transport of fluorescent light in highly scattering media, without the need for an internal volume mesh. The method is appropriate for domains where it is reasonable to assume the fluorescent properties are regionally homogeneous, such as when using highly specific molecularly targeted fluorescent contrast agents in biological tissues. In comparison to analytical results on a homogeneous sphere, BEM predictions of complex emission fluence are shown to be more accurate and stable than those of the FEM. Emission fluence predictions made with the BEM using a 708-node mesh, with roughly double the inter-node spacing of boundary nodes as in a 6956-node FEM mesh, match experimental frequency-domain fluorescence emission measurements acquired on a 1087 cm{sup 3} breast-mimicking phantom at least as well as those of the FEM, but require only 1/8 to 1/2 the computation time.

  19. Frictional anisotropy under boundary lubrication: effect of surface texture.

    SciTech Connect (OSTI)

    Ajayi, O. O.; Erck, R. A.; Lorenzo-Martin, C.; Fenske, G. R.; Energy Systems

    2009-06-15

    The friction coefficient was measured under boundary lubrication with a ball-on-flat contact configuration in unidirectional sliding. The ball was smooth and hardened 52100 steel. Discs were made from case-carburized and hardened 4620, annealed 1080, and 1018 steels with directionally ground surfaces. A synthetic lubricant of stock polyalphaolefin was used for testing. During testing with each material, a frictional spike was observed whenever the ball slid parallel to the grinding ridge on the disc surface. The average friction coefficient for all tests was about 0.1, which is typical for the boundary lubrication regime. The magnitude of the frictional spikes, which reached as high as a friction coefficient of 0.25, and their persistence depended on the hardness of the disc surface. On the basis of elastohydrodynamic theory, coupled with the observation of severe plastic deformation on the ridges parallel to the sliding direction, the frictional spike could be due to localized plastic deformation on the disc surface at locations of minimal thickness for the lubricant fluid film. This hypothesis was further supported by lack of frictional spikes in tests using discs coated with a thin film of diamond-like carbon, in which plastic deformation is minimal.

  20. Physics of grain boundaries in polycrystalline photovoltaic semiconductors

    SciTech Connect (OSTI)

    Yan, Yanfa Yin, Wan-Jian; Wu, Yelong; Shi, Tingting; Paudel, Naba R.; Li, Chen; Poplawsky, Jonathan; Wang, Zhiwei; Moseley, John; Guthrey, Harvey; Moutinho, Helio; Al-Jassim, Mowafak M.; Pennycook, Stephen J.

    2015-03-21

    Thin-film solar cells based on polycrystalline Cu(In,Ga)Se{sub 2} (CIGS) and CdTe photovoltaic semiconductors have reached remarkable laboratory efficiencies. It is surprising that these thin-film polycrystalline solar cells can reach such high efficiencies despite containing a high density of grain boundaries (GBs), which would seem likely to be nonradiative recombination centers for photo-generated carriers. In this paper, we review our atomistic theoretical understanding of the physics of grain boundaries in CIGS and CdTe absorbers. We show that intrinsic GBs with dislocation cores exhibit deep gap states in both CIGS and CdTe. However, in each solar cell device, the GBs can be chemically modified to improve their photovoltaic properties. In CIGS cells, GBs are found to be Cu-rich and contain O impurities. Density-functional theory calculations reveal that such chemical changes within GBs can remove most of the unwanted gap states. In CdTe cells, GBs are found to contain a high concentration of Cl atoms. Cl atoms donate electrons, creating n-type GBs between p-type CdTe grains, forming local p-n-p junctions along GBs. This leads to enhanced current collections. Therefore, chemical modification of GBs allows for high efficiency polycrystalline CIGS and CdTe thin-film solar cells.

  1. Turbine exhaust diffuser with region of reduced flow area and outer boundary gas flow

    DOE Patents [OSTI]

    Orosa, John

    2014-03-11

    An exhaust diffuser system and method for a turbine engine. The outer boundary may include a region in which the outer boundary extends radially inwardly toward the hub structure and may direct at least a portion of an exhaust flow in the diffuser toward the hub structure. At least one gas jet is provided including a jet exit located on the outer boundary. The jet exit may discharge a flow of gas downstream substantially parallel to an inner surface of the outer boundary to direct a portion of the exhaust flow in the diffuser toward the outer boundary to effect a radially outward flow of at least a portion of the exhaust gas flow toward the outer boundary to balance an aerodynamic load between the outer and inner boundaries.

  2. Workplace Charging Challenge Partner: Westar Energy

    Broader source: Energy.gov [DOE]

    Joined the Challenge: October 2014Headquarters: Topeka, KSCharging Locations: Wichita, KS; Wichita, KS; Topeka, KS; Topeka, KS; St. Marys, KS; Salina, KS; Newton, KS; Parsons, KS; Pittsburg, KS;...

  3. The boundary effects of the shock wave dispersion in discharges

    SciTech Connect (OSTI)

    Markhotok, A.; Popovic, S.; Vuskovic, L.

    2008-03-15

    Interaction of shock waves with a weakly ionized gas generated by discharges has been studied. An additional thermal mechanism of the shock wave dispersion on the boundary between a neutral gas and discharge has been proposed [A. Markhotok, S. Popovic, and L. Vuskovic, Proceedings of the 15th International Conference on Atomic Processes in Plasmas, March 19-22, 2007 (NIST, Gaitersburg, MD, 2007)]. This mechanism can explain a whole set of thermal features of the shock wave-plasma interaction, including acceleration of the shock wave, broadening or splitting of the deflection signals and its consecutive restoration. Application has been made in the case of a shock wave interacting with a laser induced plasma. The experimental observations support well the results of calculation based on this model.

  4. AB INITIO STUDY OF GRAIN BOUNDARY PROPERTIES OF TUNGSTEN ALLOYS

    SciTech Connect (OSTI)

    Setyawan, Wahyu; Kurtz, Richard J.

    2012-04-17

    Density functional theory was employed to investigate the grain boundary (GB) property of W-TM alloys (TM: fifth and sixth row transition metals). GB strengthening was found for Hf, Ta, Nb, Ru, Re, Os and Ir for 27{l_brace}525{r_brace} and to a lesser degree for 11{l_brace}323{r_brace}. Lower valence solutes strengthen the GB at certain substitutional sites, while higher valence elements enforce it at other positions. For 3{l_brace}112{r_brace}, the alloys exhibit reduced cleavage energies. Hence, allowing with TMs increases the GB cohesion more effectively for large-angle GBs whose cleavage energy is, in general, inherently lower than the low-angle ones. Electron density analysis elucidates the mechanism of charge addition or depletion of the GB bonding region upon TM substitution at various positions leading to stronger or weaker intergranular cohesion, respectively.

  5. SDO OBSERVATIONS OF MAGNETIC RECONNECTION AT CORONAL HOLE BOUNDARIES

    SciTech Connect (OSTI)

    Yang Shuhong; Zhang Jun; Li Ting; Liu Yang E-mail: zjun@nao.cas.cn E-mail: yliu@quake.stanford.edu

    2011-05-01

    With the observations from the Atmospheric Imaging Assembly and the Helioseismic and Magnetic Imager on board the Solar Dynamics Observatory, we investigate the coronal hole boundaries (CHBs) of an equatorial extension of the polar coronal hole. At the CHBs, many extreme-ultraviolet jets, which appear to be the signatures of magnetic reconnection, are observed in the 193 A images, and some jets occur repetitively at the same sites. The evolution of the jets is associated with the emergence and cancellation of magnetic fields. We note that both the east and west CHBs shift westward, and the shift velocities are close to the velocities of rigid rotation compared with those of the photospheric differential rotation. This indicates that magnetic reconnection at CHBs results in the evolution of CHBs and maintains the rigid rotation of coronal holes.

  6. THE HELIOTAIL REVEALED BY THE INTERSTELLAR BOUNDARY EXPLORER

    SciTech Connect (OSTI)

    McComas, D. J.; Dayeh, M. A.; Livadiotis, G.; Funsten, H. O.; Schwadron, N. A.

    2013-07-10

    Recent combined observations from the first three years of Interstellar Boundary Explorer (IBEX) data allow us to examine the heliosphere's downwind region-the heliotail-for the first time. In contrast to a preliminary identification of a narrow ''offset heliotail'' structure, we find a broad slow solar wind plasma sheet crossing essentially the entire downwind side of the heliosphere at low to mid-latitudes, with fast wind tail regions to the north and south. The slow wind plasma sheet exhibits the steepest ENA spectra in the IBEX sky maps, appears as a two-lobed structure (lobes on the port and starboard sides), and is twisted in the sense of (but at a smaller angle than) the external magnetic field. The overall heliotail structure clearly demonstrates the intermediate nature of the heliosphere's interstellar interaction, where both the external dynamic and magnetic pressures strongly affect the heliosphere.

  7. The growth mechanism of grain boundary carbide in Alloy 690

    SciTech Connect (OSTI)

    Li, Hui; Xia, Shuang; Zhou, Bangxin; Peng, Jianchao

    2013-07-15

    The growth mechanism of grain boundary M{sub 23}C{sub 6} carbides in nickel base Alloy 690 after aging at 715 °C was investigated by high resolution transmission electron microscopy. The grain boundary carbides have coherent orientation relationship with only one side of the matrix. The incoherent phase interface between M{sub 23}C{sub 6} and matrix was curved, and did not lie on any specific crystal plane. The M{sub 23}C{sub 6} carbide transforms from the matrix phase directly at the incoherent interface. The flat coherent phase interface generally lies on low index crystal planes, such as (011) and (111) planes. The M{sub 23}C{sub 6} carbide transforms from a transition phase found at curved coherent phase interface. The transition phase has a complex hexagonal crystal structure, and has coherent orientation relationship with matrix and M{sub 23}C{sub 6}: (111){sub matrix}//(0001){sub transition}//(111){sub carbide}, <112{sup ¯}>{sub matrix}//<21{sup ¯}10>{sub transition}//<112{sup ¯}>{sub carbide}. The crystal lattice constants of transition phase are c{sub transition}=?(3)×a{sub matrix} and a{sub transition}=?(6)/2×a{sub matrix}. Based on the experimental results, the growth mechanism of M{sub 23}C{sub 6} and the formation mechanism of transition phase are discussed. - Highlights: • A transition phase was observed at the coherent interfaces of M{sub 23}C{sub 6} and matrix. • The transition phase has hexagonal structure, and is coherent with matrix and M{sub 23}C{sub 6}. • The M{sub 23}C{sub 6} transforms from the matrix directly at the incoherent phase interface.

  8. U.S. Total Exports

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

    Mesa, CA Otay Mesa, CA San Diego, CA Alamo, TX Clint, TX Del Rio, TX Eagle Pass, TX El Paso, TX Freeport, TX Hidalgo, TX Laredo, TX McAllen, TX Penitas, TX Rio Bravo, TX Rio ...

  9. Computer simulation study of the structure of vacancies in grain boundaries

    SciTech Connect (OSTI)

    Brokman, A.; Bristowe, P.D.; Balluffi, R.W.

    1981-01-01

    The structure of vacancies in grain boundaries has been investigated by computer molecular statics employing pairwise potentials. In order to gain an impression of the vacancy structures which may occur generally, a number of variables was investigated including: metal type, boundary type, degree of lattice coincidence and choice of boundary site. In all cases the vacancies remained as distinguishable point defects in the relatively irregular boundary structures. However, it was found that the vacancy often induced relatively large atomic displacements in the core of the boundary. These displacements often occurred only in the direct vicinity of the vacancy, but in certain cases they were widely distributed in the boundary, sometimes at surprisingly large distances.

  10. Consideration of Grain Size Distribution in the Diffusion of Fission Gas to Grain Boundaries

    SciTech Connect (OSTI)

    Paul C. Millett; Yongfeng Zhang; Michael R. Tonks; S. B. Biner

    2013-09-01

    We analyze the accumulation of fission gas on grain boundaries in a polycrystalline microstructure with a distribution of grain sizes. The diffusion equation is solved throughout the microstructure to evolve the gas concentration in space and time. Grain boundaries are treated as infinite sinks for the gas concentration, and we monitor the cumulative gas inventory on each grain boundary throughout time. We consider two important cases: first, a uniform initial distribution of gas concentration without gas production (correlating with post-irradiation annealing), and second, a constant gas production rate with no initial gas concentration (correlating with in-reactor conditions). The results show that a single-grain-size model, such as the Booth model, over predicts the gas accumulation on grain boundaries compared with a polycrystal with a grain size distribution. Also, a considerable degree of scatter, or variability, exists in the grain boundary gas accumulation when comparing all of the grain boundaries in the microstructure.

  11. ARM: ARSCL: cloud boundaries from first Clothiaux algorithms on Vaisala or Belfort ceilometers, Micropulse lidar, and MMCR

    SciTech Connect (OSTI)

    Karen Johnson; Michael Jensen

    1996-11-08

    ARSCL: cloud boundaries from first Clothiaux algorithms on Vaisala or Belfort ceilometers, Micropulse lidar, and MMCR

  12. ARM: ARSCL: cloud boundaries from first Clothiaux algorithms on Vaisala or Belfort ceilometers, Micropulse lidar, and MMCR

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

    Karen Johnson; Michael Jensen

    ARSCL: cloud boundaries from first Clothiaux algorithms on Vaisala or Belfort ceilometers, Micropulse lidar, and MMCR

  13. Revisit boundary conditions for the self-adjoint angular flux formulation

    SciTech Connect (OSTI)

    Wang, Yaqi; Gleicher, Frederick N.

    2015-03-01

    We revisit the boundary conditions for SAAF. We derived the equivalent parity variational form ready for coding up. The more rigorous approach of evaluating odd parity should be solving the odd parity equation coupled with the even parity. We proposed a symmetric reflecting boundary condition although neither positive definiteness nor even-odd decoupling is achieved. A simple numerical test verifies the validity of these boundary conditions.

  14. Joint retrievals of cloud and drizzle in marine boundary layer clouds using

    Office of Scientific and Technical Information (OSTI)

    ground-based radar, lidar and zenith radiances (Journal Article) | DOE PAGES Published Article: Joint retrievals of cloud and drizzle in marine boundary layer clouds using ground-based radar, lidar and zenith radiances « Prev Next » Title: Joint retrievals of cloud and drizzle in marine boundary layer clouds using ground-based radar, lidar and zenith radiances Active remote sensing of marine boundary-layer clouds is challenging as drizzle drops often dominate the observed radar

  15. Joint retrievals of cloud and drizzle in marine boundary layer clouds using

    Office of Scientific and Technical Information (OSTI)

    ground-based radar, lidar and zenith radiances (Journal Article) | SciTech Connect Joint retrievals of cloud and drizzle in marine boundary layer clouds using ground-based radar, lidar and zenith radiances Citation Details In-Document Search Title: Joint retrievals of cloud and drizzle in marine boundary layer clouds using ground-based radar, lidar and zenith radiances Active remote sensing of marine boundary-layer clouds is challenging as drizzle drops often dominate the observed radar

  16. Joint retrievals of cloud and drizzle in marine boundary layer clouds using

    Office of Scientific and Technical Information (OSTI)

    ground-based radar, lidar and zenith radiances (Journal Article) | SciTech Connect Joint retrievals of cloud and drizzle in marine boundary layer clouds using ground-based radar, lidar and zenith radiances Citation Details In-Document Search Title: Joint retrievals of cloud and drizzle in marine boundary layer clouds using ground-based radar, lidar and zenith radiances Active remote sensing of marine boundary-layer clouds is challenging as drizzle drops often dominate the observed radar

  17. Photoluminescence Imaging of Large-Grain CdTe for Grain Boundary

    Office of Scientific and Technical Information (OSTI)

    Characterization (Conference) | SciTech Connect Photoluminescence Imaging of Large-Grain CdTe for Grain Boundary Characterization Citation Details In-Document Search Title: Photoluminescence Imaging of Large-Grain CdTe for Grain Boundary Characterization In this work, we use photoluminescence (PL) imaging to characterize CdTe grain boundary recombination. We use a silicon megapixel camera and green (532 nm) laser diodes for excitation. A microscope objective lens system is used for high

  18. RACORO Extended-Term Aircraft Observations of Boundary-Layer Clouds

    Office of Scientific and Technical Information (OSTI)

    (Journal Article) | SciTech Connect RACORO Extended-Term Aircraft Observations of Boundary-Layer Clouds Citation Details In-Document Search Title: RACORO Extended-Term Aircraft Observations of Boundary-Layer Clouds A first-of-a-kind, extended-term cloud aircraft campaign was conducted to obtain an in-situ statistical characterization of boundary-layer clouds needed to investigate cloud processes and refine retrieval algorithms. Coordinated by the Atmospheric Radiation Measurement (ARM)

  19. Joint retrievals of cloud and drizzle in marine boundary layer clouds using

    Office of Scientific and Technical Information (OSTI)

    ground-based radar, lidar and zenith radiances (Journal Article) | DOE PAGES Published Article: Joint retrievals of cloud and drizzle in marine boundary layer clouds using ground-based radar, lidar and zenith radiances Title: Joint retrievals of cloud and drizzle in marine boundary layer clouds using ground-based radar, lidar and zenith radiances Active remote sensing of marine boundary-layer clouds is challenging as drizzle drops often dominate the observed radar reflectivity. We present a

  20. Clouds, aerosol, and precipitation in the Marine Boundary Layer: An ARM

    Office of Scientific and Technical Information (OSTI)

    mobile facility deployment (Journal Article) | SciTech Connect Journal Article: Clouds, aerosol, and precipitation in the Marine Boundary Layer: An ARM mobile facility deployment Citation Details In-Document Search Title: Clouds, aerosol, and precipitation in the Marine Boundary Layer: An ARM mobile facility deployment The Clouds, Aerosol, and Precipitation in the Marine Boundary Layer (CAP-MBL) deployment at Graciosa Island in the Azores generated a 21-month (April 2009-December 2010)

  1. Simulation of Post-Frontal Boundary Layers Observed During the ARM 2000 Cloud IOP

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

    Simulation of Post-Frontal Boundary Layers Observed During the ARM 2000 Cloud IOP D. B. Mechem and Y. L. Kogan Cooperative Institute for Mesoscale Meteorological Studies University of Oklahoma Norman, Oklahoma M. Poellot University of North Dakota Grand Forks, North Dakota Introduction Large-eddy simulation (LES) models have been widely employed in the study of radiatively forced cloud topped boundary layers (CTBL). These boundary layers are typically well mixed and characterized by a sharp jump

  2. Grain boundary chemistry effects on environment-induced crack growth of iron-based alloys

    SciTech Connect (OSTI)

    Jones, R.H.

    1992-11-01

    Relation between grain boundary chemistry and environment-induced crack growth of Fe-based alloys is reviewed. The importance of the cleanliness of steels is clearly demonstrated by direct relations between grain boundary chemistry and crack growth behavior for both H and anodic dissolution-induced crack growth. Relationships between strain to failure, work of fracture, K[sub ISCC], crack velocity and fracture mode and grain boundary chemistry are presented. Only results in which the grain boundary chemistry has been measured directly by Auger electron spectroscopy (AES) on intergranular surfaces exposed by in situ fracture have been considered in this review.

  3. Grain boundary chemistry effects on environment-induced crack growth of iron-based alloys

    SciTech Connect (OSTI)

    Jones, R.H.

    1992-11-01

    Relation between grain boundary chemistry and environment-induced crack growth of Fe-based alloys is reviewed. The importance of the cleanliness of steels is clearly demonstrated by direct relations between grain boundary chemistry and crack growth behavior for both H and anodic dissolution-induced crack growth. Relationships between strain to failure, work of fracture, K{sub ISCC}, crack velocity and fracture mode and grain boundary chemistry are presented. Only results in which the grain boundary chemistry has been measured directly by Auger electron spectroscopy (AES) on intergranular surfaces exposed by in situ fracture have been considered in this review.

  4. Surface relief produced by diffusion induced boundary migration in Cu-Zn

    SciTech Connect (OSTI)

    Tsai, Y.S.; Meyrick, G.; Shewmon, P.G.

    1984-03-01

    Experimental observations are presented that demonstrate that diffusion induced grain boundary migration in copper foils exposed to zinc vapor, from a Cu-15 pct Zn alloy, can be studied directl after treatment without etching. The general characteristics of migration are in accord with previous investigations, but novel changes in the surface topography are described. Pits were formed on the surface of areas swept by boundary migration; also, the surface was often converted into a series of corrugations. The formation of pits suggests that the grain boundary diffusivity of zinc exceeds that of copper. The corrugations are believed to indicate that boundaries sometimes move in an intermittent manner.

  5. Grain Boundary Percolation Modeling of Fission Gas Release in Oxide Fuels

    SciTech Connect (OSTI)

    Paul C. Millett; Michael R. Tonks; S. B. Biner

    2012-05-01

    We present a new approach to fission gas release modeling in oxide fuels based on grain boundary network percolation. The method accounts for variability in the bubble growth and coalescence rates on individual grain boundaries, and the resulting effect on macroscopic fission gas release. Two-dimensional representa- tions of fuel pellet microstructures are considered, and the resulting gas release rates are compared with traditional two-stage Booth models, which do not account for long-range percolation on grain boundary net- works. The results show that the requirement of percolation of saturated grain boundaries can considerably reduce the total gas release rates, particularly when gas resolution is considered.

  6. Effect of the pre-existing carbides on the grain boundary network during grain boundary engineering in a nickel based alloy

    SciTech Connect (OSTI)

    Liu, Tingguang; Xia, Shuang; Li, Hui; Zhou, Bangxin; Bai, Qin

    2014-05-01

    Grain boundary engineering was carried out on an aging-treated nickel based Alloy 690, which has precipitated carbides at grain boundaries. Electron backscatter diffraction technique was used to investigate the grain boundary networks. Results show that, compared with the solution-annealed samples, the aging-treated samples with pre-existing carbides at grain boundaries need longer duration or higher temperature during annealing after low-strain tensile deformation for forming high proportion of low-? coincidence site lattice grain boundaries (more than 75%). The reason is that the primary recrystallization is inhibited or retarded owing to that the pre-existing carbides are barriers to grain boundaries migration. - Highlights: • Study of GBE as function of pre-existing GB carbides, tensile strain and annealing • Recrystallization of GBE is inhibited or retarded by the pre-existing carbides. • Retained carbides after annealing show the original GB positions. • More than 80% of special GBs were formed after the modification of GBE processing. • Multiple twinning during recrystallization is the key process of GBE.

  7. Studies of planetary boundary layer by infrared thermal imagery

    SciTech Connect (OSTI)

    Albina, Bogdan; Dimitriu, Dan Gheorghe Gurlui, Silviu Octavian; Cazacu, Marius Mihai; Timofte, Adrian

    2014-11-24

    The IR camera is a relatively novel device for remote sensing of atmospheric thermal processes from the Planetary Boundary Layer (PBL) based on measurements of the infrared radiation. Infrared radiation is energy radiated by the motion of atoms and molecules on the surface of aerosols, when their temperature is more than absolute zero. The IR camera measures directly the intensity of radiation emitted by aerosols which is converted by an imaging sensor into an electric signal, resulting a thermal image. Every image pixel that corresponds to a specific radiance is pre-processed to identify the brightness temperature. The thermal infrared imaging radiometer used in this study, NicAir, is a precision radiometer developed by Prata et al. The device was calibrated for the temperature range of 270–320 K and using a calibration table along with image processing software, important information about variations in temperature can be extracted from acquired IR images. The PBL is the lowest layer of the troposphere where the atmosphere interacts with the ground surfaces. The importance of PBL lies in the fact that it provides a finite but varying volume in which pollutants can disperse. The aim of this paper is to analyze the PBL altitude and thickness variations over Iasi region using the IR imaging camera as well as its behavior from day to night and thermal processes occurring in PBL.

  8. Structure of the nocturnal boundary layer over a complex terrain

    SciTech Connect (OSTI)

    Parker, M.J. ); Raman, S. . Dept. of Marine, Earth and Atmospheric Sciences)

    1992-01-01

    The complex nature of the nocturnal boundary layer (NBL) has been shown extensively in the literature Project STABLE was conducted in 1988 to study NBL turbulence and diffusion over the complex terrain of the Savannah River Site (SRS) near Augusta, Georgia. The third night of the study was particularly interesting because of the unusual phenomena observed in the structure of the NBL. Further analyses of microscale and mesoscale data from this night are presented using data from SRS network of eight 61 m towers over 900 km{sup 2}, from six launches of an instrumented tethersonde, from permanent SRL meteorological instrumentation at seven levels of the 304 m (1,000 ft) WJBF-TV tower near SRS, and additional data collected at 36 m (CC) by North Carolina State University (NCSU) including a one dimensional sonic anemometer, fine wire thermocouple, and a three dimensional propeller anemometer. Also, data from the nearby Plant Vogtle nuclear power plant observation tower and the National Weather Service at Augusta's Bush Field (AGS) are presented. The passage of a mesoscale phenomenon, defined as a microfront (with an explanation of the nomenclature used), and a vertical composite schematic of the NBL which shows dual low level wind maxima, dual inversions, and a persistent, elevated turbulent layer over a complex terrain are described.

  9. Structure of the nocturnal boundary layer over a complex terrain

    SciTech Connect (OSTI)

    Parker, M.J.; Raman, S.

    1992-08-01

    The complex nature of the nocturnal boundary layer (NBL) has been shown extensively in the literature Project STABLE was conducted in 1988 to study NBL turbulence and diffusion over the complex terrain of the Savannah River Site (SRS) near Augusta, Georgia. The third night of the study was particularly interesting because of the unusual phenomena observed in the structure of the NBL. Further analyses of microscale and mesoscale data from this night are presented using data from SRS network of eight 61 m towers over 900 km{sup 2}, from six launches of an instrumented tethersonde, from permanent SRL meteorological instrumentation at seven levels of the 304 m (1,000 ft) WJBF-TV tower near SRS, and additional data collected at 36 m (CC) by North Carolina State University (NCSU) including a one dimensional sonic anemometer, fine wire thermocouple, and a three dimensional propeller anemometer. Also, data from the nearby Plant Vogtle nuclear power plant observation tower and the National Weather Service at Augusta`s Bush Field (AGS) are presented. The passage of a mesoscale phenomenon, defined as a microfront (with an explanation of the nomenclature used), and a vertical composite schematic of the NBL which shows dual low level wind maxima, dual inversions, and a persistent, elevated turbulent layer over a complex terrain are described.

  10. Boundary uniqueness theorems for functions whose integrals over hyperbolic discs vanish

    SciTech Connect (OSTI)

    Ochakovskaya, Oksana A

    2013-02-28

    Sharp conditions are found describing the admissible rate of decrease of a nontrivial function whose integrals over all hyperbolic discs with fixed radius vanish. For the first time, the boundary behaviour of the function is investigated in a neighbourhood of a single point on the boundary of the domain of definition. Bibliography: 17 titles.

  11. Further development and testing of a second-order bulk boundary layer model. Master's thesis

    SciTech Connect (OSTI)

    Krasner, R.D.

    1993-05-03

    A one-layer bulk boundary layer model is developed. The model predicts the mixed layer values of the potential temperature, mixing ratio, and u- and v-momentum. The model also predicts the depth of the boundary layer and the vertically integrated turbulence kinetic energy (TKE). The TKE is determined using a second-order closure that relates the rate of dissipation to the TKE. The fractional area covered by rising motion sigma and the entrainment rate (E) are diagnostically determined. The model is used to study the clear convective boundary layer (CBL) using data from the Wangara, Australia boundary layer experiment. The Wangara data is also used as an observation base to validate model results. A further study is accomplished by simulating the planetary boundary layer (PBL) over an ocean surface. This study is designed to find the steady-state solutions of the prognostic variable.

  12. Cooperative chemical rebonding in the segregation of impurities in silicon grain boundaries

    SciTech Connect (OSTI)

    Maiti, A.; Chisholm, M.F.; Pennycook, S.J.; Pantelides, S.T.

    1996-12-01

    With ab initio calculations the authors show that the experimentally observed large segregation energies of As at Si grain boundaries can be explained by the formation of isolated dimers or ordered chains of dimers of threefold-coordinated As along the cores of grain boundary dislocations. They also find the intriguing possibility that As segregation may drive structural transformation of certain grain boundaries. Recently, they have obtained the first atomic-resolution STEM images of As in a Si grain boundary, consistent with the formation of As dimers. Segregation energy of As dimers was found to be significantly higher in isolated dislocation cores, where larger site-variation in strain than in grain boundaries lead to further lowering of the electronic levels of As deep into the bandgap.

  13. Geometric multigrid for an implicit-time immersed boundary method

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

    Guy, Robert D.; Philip, Bobby; Griffith, Boyce E.

    2014-10-12

    The immersed boundary (IB) method is an approach to fluid-structure interaction that uses Lagrangian variables to describe the deformations and resulting forces of the structure and Eulerian variables to describe the motion and forces of the fluid. Explicit time stepping schemes for the IB method require solvers only for Eulerian equations, for which fast Cartesian grid solution methods are available. Such methods are relatively straightforward to develop and are widely used in practice but often require very small time steps to maintain stability. Implicit-time IB methods permit the stable use of large time steps, but efficient implementations of such methodsmore » require significantly more complex solvers that effectively treat both Lagrangian and Eulerian variables simultaneously. Moreover, several different approaches to solving the coupled Lagrangian-Eulerian equations have been proposed, but a complete understanding of this problem is still emerging. This paper presents a geometric multigrid method for an implicit-time discretization of the IB equations. This multigrid scheme uses a generalization of box relaxation that is shown to handle problems in which the physical stiffness of the structure is very large. Numerical examples are provided to illustrate the effectiveness and efficiency of the algorithms described herein. Finally, these tests show that using multigrid as a preconditioner for a Krylov method yields improvements in both robustness and efficiency as compared to using multigrid as a solver. They also demonstrate that with a time step 100–1000 times larger than that permitted by an explicit IB method, the multigrid-preconditioned implicit IB method is approximately 50–200 times more efficient than the explicit method.« less

  14. ARM - Datastreams - sondewrpn

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

    SGP B1 Browse Data Hillsboro, KS (Boundary) retired SGP B4 Browse Data Vici, OK (Boundary) retired SGP B5 Browse Data Morris, OK (Boundary) retired SGP B6 Browse Data Purcell...

  15. ARM - Instrument - ceil

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

    Plains SGP B1 Browse Data Hillsboro, KS (Boundary) retired SGP B4 Browse Data Vici, OK (Boundary) retired SGP B5 Browse Data Morris, OK (Boundary) retired SGP B6 Browse Data...

  16. ARM - Datastreams - sonde

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

    Plains SGP B1 Browse Data Hillsboro, KS (Boundary) retired SGP B4 Browse Data Vici, OK (Boundary) retired SGP B5 Browse Data Morris, OK (Boundary) retired SGP C1 Browse Data...

  17. Calculation of grain boundary normals directly from 3D microstructure images

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

    Lieberman, E. J.; Rollett, A. D.; Lebensohn, R. A.; Kober, E. M.

    2015-03-11

    The determination of grain boundary normals is an integral part of the characterization of grain boundaries in polycrystalline materials. These normal vectors are difficult to quantify due to the discretized nature of available microstructure characterization techniques. The most common method to determine grain boundary normals is by generating a surface mesh from an image of the microstructure, but this process can be slow, and is subject to smoothing issues. A new technique is proposed, utilizing first order Cartesian moments of binary indicator functions, to determine grain boundary normals directly from a voxelized microstructure image. In order to validate the accuracymore » of this technique, the surface normals obtained by the proposed method are compared to those generated by a surface meshing algorithm. Specifically, the local divergence between the surface normals obtained by different variants of the proposed technique and those generated from a surface mesh of a synthetic microstructure constructed using a marching cubes algorithm followed by Laplacian smoothing is quantified. Next, surface normals obtained with the proposed method from a measured 3D microstructure image of a Ni polycrystal are used to generate grain boundary character distributions (GBCD) for Σ3 and Σ9 boundaries, and compared to the GBCD generated using a surface mesh obtained from the same image. Finally, the results show that the proposed technique is an efficient and accurate method to determine voxelized fields of grain boundary normals.« less

  18. Grain boundary character distribution in nanocrystalline metals produced by different processing routes

    SciTech Connect (OSTI)

    Bober, David B.; Kumar, Mukal; Rupert, Timothy J.; Khalajhedayati, Amirhossein

    2015-12-28

    Nanocrystalline materials are defined by their fine grain size, but details of the grain boundary character distribution should also be important. Grain boundary character distributions are reported for ball-milled, sputter-deposited, and electrodeposited Ni and Ni-based alloys, all with average grain sizes of ~20 nm, to study the influence of processing route. The two deposited materials had nearly identical grain boundary character distributions, both marked by a Σ3 length percentage of 23 to 25 pct. In contrast, the ball-milled material had only 3 pct Σ3-type grain boundaries and a large fraction of low-angle boundaries (16 pct), with the remainder being predominantly random high angle (73 pct). Furthermore, these grain boundary character measurements are connected to the physical events that control their respective processing routes. Consequences for material properties are also discussed with a focus on nanocrystalline corrosion. As a whole, the results presented here show that grain boundary character distribution, which has often been overlooked in nanocrystalline metals, can vary significantly and influence material properties in profound ways.

  19. Grain boundary character distribution in nanocrystalline metals produced by different processing routes

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

    Bober, David B.; Kumar, Mukal; Rupert, Timothy J.; Khalajhedayati, Amirhossein

    2015-12-28

    Nanocrystalline materials are defined by their fine grain size, but details of the grain boundary character distribution should also be important. Grain boundary character distributions are reported for ball-milled, sputter-deposited, and electrodeposited Ni and Ni-based alloys, all with average grain sizes of ~20 nm, to study the influence of processing route. The two deposited materials had nearly identical grain boundary character distributions, both marked by a Σ3 length percentage of 23 to 25 pct. In contrast, the ball-milled material had only 3 pct Σ3-type grain boundaries and a large fraction of low-angle boundaries (16 pct), with the remainder being predominantlymore » random high angle (73 pct). Furthermore, these grain boundary character measurements are connected to the physical events that control their respective processing routes. Consequences for material properties are also discussed with a focus on nanocrystalline corrosion. As a whole, the results presented here show that grain boundary character distribution, which has often been overlooked in nanocrystalline metals, can vary significantly and influence material properties in profound ways.« less

  20. Calculation of grain boundary normals directly from 3D microstructure images

    SciTech Connect (OSTI)

    Lieberman, E. J.; Rollett, A. D.; Lebensohn, R. A.; Kober, E. M.

    2015-03-11

    The determination of grain boundary normals is an integral part of the characterization of grain boundaries in polycrystalline materials. These normal vectors are difficult to quantify due to the discretized nature of available microstructure characterization techniques. The most common method to determine grain boundary normals is by generating a surface mesh from an image of the microstructure, but this process can be slow, and is subject to smoothing issues. A new technique is proposed, utilizing first order Cartesian moments of binary indicator functions, to determine grain boundary normals directly from a voxelized microstructure image. In order to validate the accuracy of this technique, the surface normals obtained by the proposed method are compared to those generated by a surface meshing algorithm. Specifically, the local divergence between the surface normals obtained by different variants of the proposed technique and those generated from a surface mesh of a synthetic microstructure constructed using a marching cubes algorithm followed by Laplacian smoothing is quantified. Next, surface normals obtained with the proposed method from a measured 3D microstructure image of a Ni polycrystal are used to generate grain boundary character distributions (GBCD) for Σ3 and Σ9 boundaries, and compared to the GBCD generated using a surface mesh obtained from the same image. Finally, the results show that the proposed technique is an efficient and accurate method to determine voxelized fields of grain boundary normals.

  1. Pantex Regional Middle School Science Bowl | U.S. DOE Office...

    Office of Science (SC) Website

    TX Collingsworth County, TX Crosby County, TX Dallam County, TX Dawson County, TX Deaf Smith County, TX Donley County, TX Floyd County, TX Gaines County, TX Garza County, TX Gray ...

  2. Pantex Regional High School Science Bowl | U.S. DOE Office of...

    Office of Science (SC) Website

    TX Cottle County, TX Crosby County, TX Dallam County, TX Dawson County, TX Deaf Smith County, TX Dickens County, TX Donley County, TX Floyd County, TX Gaines County, TX ...

  3. Roles of grain boundaries on the semiconductor to metal phase transition of

    Office of Scientific and Technical Information (OSTI)

    VO{sub 2} thin films (Journal Article) | SciTech Connect Roles of grain boundaries on the semiconductor to metal phase transition of VO{sub 2} thin films Citation Details In-Document Search Title: Roles of grain boundaries on the semiconductor to metal phase transition of VO{sub 2} thin films Vanadium dioxide (VO{sub 2}) thin films with controlled grain sizes are deposited on amorphous glass substrates by pulsed laser deposition. The grain boundaries (GBs) are found as the dominating defects

  4. Terrace-like morphology of the boundary created through basal-prismatic transformation in magnesium

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

    Liu, Bo -Yu; Wan, Liang; Wang, Jian; Ma, Evan; Shan, Zhi -Wei

    2015-01-24

    Here, the boundaries created through basal-prismatic transformation in submicron-sized single crystal magnesium have been investigated systematically using in situ transmission electron microscopy. We found that these boundaries not only deviated significantly from the twin plane associated with {101¯2} twin, but also possessed a non-planar morphology. After the sample was thinned to be less than 90 nm, aberration-corrected scanning transmission electron microscopy observation found that the basic components of these boundaries are actually terrace-like basal-prismatic interfaces.

  5. Response to “Comment on ‘Velocity boundary conditions at a tokamak resistive wall’” [Phys. Plasmas 21, 094701 (2014)

    SciTech Connect (OSTI)

    Strauss, H. R.

    2014-09-15

    A response is given to “Comment on ‘Velocity boundary conditions at a tokamak resistive wall’?” [Phys. Plasmas 21, 094701 (2014)].

  6. Uranium vacancy mobility at the Σ5 symmetric tilt and Σ5 twist grain boundaries in UO₂

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

    Uberuaga, Blas Pedro; Andersson, David A.

    2015-10-01

    Ionic transport at grain boundaries in oxides dictates a number of important phenomena, from ionic conductivity to sintering to creep. For nuclear fuels, it also influences fission gas bubble nucleation and growth. Here, using a combination of atomistic calculations and object kinetic Monte Carlo (okMC) simulations, we examine the kinetic pathways associated with uranium vacancies at two model grain boundaries in UO2. The barriers for vacancy motion were calculated using the nudged elastic band method at all uranium sites at each grain boundary and were used as the basis of the okMC simulations. For both boundaries considered – a simplemore » tilt and a simple twist boundary – the mobility of uranium vacancies is significantly higher than in the bulk. For the tilt boundary, there is clearly preferred migration along the tilt axis as opposed to in the perpendicular direction while, for the twist boundary, migration is essentially isotropic within the boundary plane. These results show that cation defect mobility in fluorite-structured materials is enhanced at certain types of grain boundaries and is dependent on the boundary structure with the tilt boundary exhibiting higher rates of migration than the twist boundary.« less

  7. Uranium vacancy mobility at the Σ5 symmetric tilt and Σ5 twist grain boundaries in UO₂

    SciTech Connect (OSTI)

    Uberuaga, Blas Pedro; Andersson, David A.

    2015-10-01

    Ionic transport at grain boundaries in oxides dictates a number of important phenomena, from ionic conductivity to sintering to creep. For nuclear fuels, it also influences fission gas bubble nucleation and growth. Here, using a combination of atomistic calculations and object kinetic Monte Carlo (okMC) simulations, we examine the kinetic pathways associated with uranium vacancies at two model grain boundaries in UO2. The barriers for vacancy motion were calculated using the nudged elastic band method at all uranium sites at each grain boundary and were used as the basis of the okMC simulations. For both boundaries considered – a simple tilt and a simple twist boundary – the mobility of uranium vacancies is significantly higher than in the bulk. For the tilt boundary, there is clearly preferred migration along the tilt axis as opposed to in the perpendicular direction while, for the twist boundary, migration is essentially isotropic within the boundary plane. These results show that cation defect mobility in fluorite-structured materials is enhanced at certain types of grain boundaries and is dependent on the boundary structure with the tilt boundary exhibiting higher rates of migration than the twist boundary.

  8. Role of {Sigma}5, (210), [001] CSL boundary on displacement cascade in bcc Fe

    SciTech Connect (OSTI)

    Nandi, Prithwish K.; Dholakia, Manan; Valsakumar, M. C.

    2012-06-05

    Molecular dynamics simulations were carried out to understand the role of grain boundaries (GB) on radiation damage in bcc Fe bicrystal. The calculations were performed for a {Sigma}5, (210), [001] symmetric tilt grain boundary for different cases where the primary knock-on atom (PKA) is placed at distances of a{sub csl}, to 15a{sub csl}, from the grain boundary plane. Here, a{sub csl}, is lattice parameter of the coincidence site lattice. Present study shows that the influence of GB on the numbers of surviving defects within a grain is confined within a distance, d{sub opt} < 9a{sub csl}. Our studies also indicate that the grain boundary acts as a reservoir for defects.

  9. H.R.S. 205-3.1 - Amendments to District Boundaries | Open Energy...

    Open Energy Info (EERE)

    search OpenEI Reference LibraryAdd to library Legal Document- StatuteStatute: H.R.S. 205-3.1 - Amendments to District BoundariesLegal Published NA Year Signed or Took...

  10. Identification of sub-grains and low angle boundaries beyond the angular resolution of EBSD maps

    SciTech Connect (OSTI)

    Germain, L.; Kratsch, D.; Salib, M.; Gey, N.

    2014-12-15

    A new method called ALGrId (Anti-Leak GRain IDentification) is proposed for the detection of sub-grains beyond the relative angular resolution of Electron Backscatter Diffraction maps. It does not use any additional information such as Kikuchi Pattern Quality map nor need data filtering. It uses a modified Dijkstra algorithm which seeks the continuous set of boundaries having the highest average disorientation angle. - Highlights: • ALGrId is a new method to identify sub-grains and low angle boundaries in EBSD maps. • Unlike classical methods, ALGrId works even beyond the relative angular resolution. • If the orientation noise peaks at 0.7°, ALGrid detects 0.4°-boundaries correctly. • In the same example, the classical algorithm identifies 1.1°-boundaries only.

  11. Evolution of an interfacial crack on the concrete-embankment boundary

    Office of Scientific and Technical Information (OSTI)

    (Technical Report) | SciTech Connect Technical Report: Evolution of an interfacial crack on the concrete-embankment boundary Citation Details In-Document Search Title: Evolution of an interfacial crack on the concrete-embankment boundary Authors: Glascoe, L ; Antoun, T ; Kanarska, Y ; Lomove, I ; Hall, R ; Woodson, S ; Smith, J Publication Date: 2013-07-10 OSTI Identifier: 1119958 Report Number(s): LLNL-TR-645956 DOE Contract Number: W-7405-ENG-48 Resource Type: Technical Report Research

  12. Boundary Layer The U.S. Department of Energy's Atmospheric Radiation

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

    Aerosol, and Precipitation in the Marine Boundary Layer The U.S. Department of Energy's Atmospheric Radiation Measurement (ARM) Climate Research Facility is sponsoring a 20-month field study on Graciosa Island in the Azores. Scientists involved in the Clouds, Aerosol, and Precipitation in the Marine Boundary Layer field campaign are using the ARM Mobile Facility-a portable climate observatory-to study low-level clouds and aerosol in a marine environment. Collaborators from the Regional

  13. "Lidar Investigations of Aerosol, Cloud, and Boundary Layer Properties

    Office of Scientific and Technical Information (OSTI)

    Over the ARM ACRF Sites" (Technical Report) | SciTech Connect Technical Report: "Lidar Investigations of Aerosol, Cloud, and Boundary Layer Properties Over the ARM ACRF Sites" Citation Details In-Document Search Title: "Lidar Investigations of Aerosol, Cloud, and Boundary Layer Properties Over the ARM ACRF Sites" Project goals; Characterize the aerosol and ice vertical distributions over the ARM NSA site, and in particular to discriminate between elevated aerosol

  14. Clouds, Aerosol, and Precipitation in the Marine Boundary Layer (CAP-MBL)

    Office of Scientific and Technical Information (OSTI)

    Final Campaign Report (Technical Report) | SciTech Connect Clouds, Aerosol, and Precipitation in the Marine Boundary Layer (CAP-MBL) Final Campaign Report Citation Details In-Document Search Title: Clouds, Aerosol, and Precipitation in the Marine Boundary Layer (CAP-MBL) Final Campaign Report The extensive coverage of low clouds over the subtropical eastern oceans greatly impacts the current climate. In addition, the response of low clouds to changes in atmospheric greenhouse gases and

  15. Domain pinning near a single-grain boundary in tetragonal and rhombohedral

    Office of Scientific and Technical Information (OSTI)

    lead zirconate titanate films (Journal Article) | SciTech Connect Domain pinning near a single-grain boundary in tetragonal and rhombohedral lead zirconate titanate films Citation Details In-Document Search Title: Domain pinning near a single-grain boundary in tetragonal and rhombohedral lead zirconate titanate films Authors: Marincel, D. M. ; Zhang, H. R. ; Britson, J. ; Belianinov, A. ; Jesse, S. ; Kalinin, S. V. ; Chen, L. Q. ; Rainforth, W. M. ; Reaney, I. M. ; Randall, C. A. ;

  16. Necessary Optimality Conditions for Some Control Problems of Elliptic Equations with Venttsel Boundary Conditions

    SciTech Connect (OSTI)

    Luo Yousong

    2010-06-15

    In this paper we derive a necessary optimality condition for a local optimal solution of some control problems. These optimal control problems are governed by a semi-linear Vettsel boundary value problem of a linear elliptic equation. The control is applied to the state equation via the boundary and a functional of the control together with the solution of the state equation under such a control will be minimized. A constraint on the solution of the state equation is also considered.

  17. Determination of surface recombination velocity at a grain boundary using electron-beam-induced current

    SciTech Connect (OSTI)

    Burk, D.E.; Kanner, S.; Muyshondt, J.E.; Shaulis, D.S.; Russell, P.E.

    1983-01-01

    In order to determine the surface recombination velocity at a grain boundary surface, computer-aided calculations of the theoretical electron-beam-induced-current response to a point source excitation are fitted to data taken as a function of distance from the grain boundary. It is demonstrated that the data is in good agreement with this theoretical response for distances greater than two maximum penetration depths of the incident electron beam.

  18. Spatially Resolved Mapping of Electrical Conductivity around Individual Domain (Grain) Boundaries in Graphene

    SciTech Connect (OSTI)

    Li, An-Ping [ORNL; Clark, Kendal W [ORNL; Zhang, Xiaoguang [ORNL; Vlassiouk, Ivan V [ORNL; He, Guowei [Carnegie Mellon University (CMU); Feenstra, Randall [Carnegie Mellon University (CMU)

    2013-01-01

    Graphene films can now be produced on the scale of up to meters. However, all large-scale graphene films contain topological defects that can significantly affect the characteristic transport behaviors of graphene. Here, we spatially map the structures and electronic transport near specific domain and grain boundaries in graphene, and evaluate effects of different types of defect on the electronic conductivity in epitaxial graphene grown on SiC and CVD graphene on Cu subsequently transferred to a SiO2 substrate. We use a combined approach with a multi-probe scanning tunneling potentiometry to investigate both structures and transport at individual grain boundaries and domain boundaries that are defined by coalesced grains, surface steps, and changes in layer thickness. It is found that the substrate step on SiC presents a significant potential barrier for electron transport of epitaxial graphene due to the reduced charge transport from the substrate at the step edges, monolayer-bilayer boundaries exhibit a high resistivity that can change depending on directions of the current across the boundary, and the resistivity of grain boundaries changes with the transition width of the disordered region between two adjacent grains in graphene. The detailed understanding of graphene defects will provide the feedback for controlled engineering of defects in large-scale graphene films.

  19. Multiscale simulation of xenon diffusion and grain boundary segregation in UO₂

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

    Andersson, David A.; Tonks, Michael R.; Casillas, Luis; Vyas, Shyam; Nerikar, Pankaj; Uberuaga, Blas P.; Stanek, Christopher R.

    2015-07-01

    In light water reactor fuel, gaseous fission products segregate to grain boundaries, resulting in the nucleation and growth of large intergranular fission gas bubbles. The segregation rate is controlled by diffusion of fission gas atoms through the grains and interaction with the boundaries. Based on the mechanisms established from earlier density functional theory (DFT) and empirical potential calculations, diffusion models for xenon (Xe), uranium (U) vacancies and U interstitials in UO₂ have been derived for both intrinsic (no irradiation) and irradiation conditions. Segregation of Xe to grain boundaries is described by combining the bulk diffusion model with a model formore » the interaction between Xe atoms and three different grain boundaries in UO₂ (Σ5 tilt, Σ5 twist and a high angle random boundary), as derived from atomistic calculations. The present model does not attempt to capture nucleation or growth of fission gas bubbles at the grain boundaries. The point defect and Xe diffusion and segregation models are implemented in the MARMOT phase field code, which is used to calculate effective Xe and U diffusivities as well as to simulate Xe redistribution for a few simple microstructures.« less

  20. Quantifying the influence of twin boundaries on the deformation of nanocrystalline copper using atomistic simulations

    SciTech Connect (OSTI)

    Tucker, Garritt J.; Foiles, Stephen Martin

    2014-09-22

    Over the past decade, numerous efforts have sought to understand the influence of twin boundaries on the behavior of polycrystalline materials. Early results suggested that twin boundaries within nanocrystalline face-centered cubic metals have a considerable effect on material behavior by altering the activated deformation mechanisms. In this work, we employ molecular dynamics simulations to elucidate the role of twin boundaries on the deformation of <100> columnar nanocrystalline copper at room temperature under uniaxial strain. We leverage non-local kinematic metrics, formulated from continuum mechanics theory, to compute atomically-resolved rotational and strain fields during plastic deformation. These results are then utilized to compute the distribution of various nanoscale mechanisms during straining, and quantitatively resolve their contribution to the total strain accommodation within the microstructure, highlighting the fundamental role of twin boundaries. Our results show that nanoscale twins influence nanocrystalline copper by altering the cooperation of fundamental deformation mechanisms and their contributed role in strain accommodation, and we present new methods for extracting useful information from atomistic simulations. The simulation results suggest a tension–compression asymmetry in the distribution of deformation mechanisms and strain accommodation by either dislocations or twin boundary mechanisms. In highly twinned microstructures, twin boundary migration can become a significant deformation mode, in comparison to lattice dislocation plasticity in non-twinned columnar microstructures, especially during compression.

  1. Quantifying the influence of twin boundaries on the deformation of nanocrystalline copper using atomistic simulations

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

    Tucker, Garritt J.; Foiles, Stephen Martin

    2014-09-22

    Over the past decade, numerous efforts have sought to understand the influence of twin boundaries on the behavior of polycrystalline materials. Early results suggested that twin boundaries within nanocrystalline face-centered cubic metals have a considerable effect on material behavior by altering the activated deformation mechanisms. In this work, we employ molecular dynamics simulations to elucidate the role of twin boundaries on the deformation of <100> columnar nanocrystalline copper at room temperature under uniaxial strain. We leverage non-local kinematic metrics, formulated from continuum mechanics theory, to compute atomically-resolved rotational and strain fields during plastic deformation. These results are then utilized tomore » compute the distribution of various nanoscale mechanisms during straining, and quantitatively resolve their contribution to the total strain accommodation within the microstructure, highlighting the fundamental role of twin boundaries. Our results show that nanoscale twins influence nanocrystalline copper by altering the cooperation of fundamental deformation mechanisms and their contributed role in strain accommodation, and we present new methods for extracting useful information from atomistic simulations. The simulation results suggest a tension–compression asymmetry in the distribution of deformation mechanisms and strain accommodation by either dislocations or twin boundary mechanisms. In highly twinned microstructures, twin boundary migration can become a significant deformation mode, in comparison to lattice dislocation plasticity in non-twinned columnar microstructures, especially during compression.« less

  2. U.S. Energy Information Administration | Annual Energy Outlook...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

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  6. Uranium vacancy mobility at the sigma 5 symmetric tilt grain boundary in UO2

    SciTech Connect (OSTI)

    Uberuaga, Blas P.

    2012-05-02

    An important consequence of the fissioning process occurring during burnup is the formation of fission products. These fission products alter the thermo-mechanical properties of the fuel. They also lead to macroscopic changes in the fuel structure, including the formation of bubbles that are connected to swelling of the fuel. Subsequent release of fission gases increase the pressure in the plenum and can cause changes in the properties of the fuel pin itself. It is thus imperative to understand how fission products, and fission gases in particular, behave within the fuel in order to predict the performance of the fuel under operating conditions. Fission gas redistribution within the fuel is governed by mass transport and the presence of sinks such as impurities, dislocations, and grain boundaries. Thus, to understand how the distribution of fission gases evolves in the fuel, we must understand the underlying transport mechanisms, tied to the concentrations and mobilities of defects within the material, and how these gases interact with microstructural features that might act as sinks. Both of these issues have been addressed in previous work under NEAMS. However, once a fission product has reached a sink, such as a grain boundary, its mobility may be different there than in the grain interior and predicting how, for example, bubbles nucleate within grain boundaries necessitates an understanding of how fission gases diffuse within boundaries. That is the goal of the present work. In this report, we describe atomic level simulations of uranium vacancy diffusion in the pressence of a {Sigma}5 symmetric tilt boundary in urania (UO{sub 2}). This boundary was chosen as it is the simplest of the boundaries we considered in previous work on segregation and serves as a starting point for understanding defect mobility at boundaries. We use a combination of molecular statics calculations and kinetic Monte Carlo (kMC) to determine how the mobility of uranium vacancies is altered at this particular grain boundary. Given that the diffusion of fission gases such as Xe are tied to the mobility of uranium vacancies, these results given insight into how fission gas mobility differs at grain boundaries compared to bulk urania.

  7. Effect of Grain Boundaries on Krypton Segregation Behavior in Irradiated Uranium Dioxide

    SciTech Connect (OSTI)

    Valderrama, Billy; He, Lingfeng; Henderson, Hunter B.; Pakarinen, Janne; Jaques, Brian; Gan, Jian; Butt, Darryl P.; Allen, Todd R.; Manuel, Michele V.

    2014-11-01

    Fission products, such as krypton (Kr), are known to be insoluble within UO2, segregating towards grain boundaries, eventually leading to a lowering of the thermal conductivity and fuel swelling. Recent computational studies have identified that differences in grain boundary structure have a significant effect on the segregation behavior of fission products. However, experimental work supporting these simulations is lacking. Atom probe tomography was used to measure the Kr distribution across grain boundaries in UO2. Polycrystalline depleted-UO2 samples was irradiated with 0.7 and 1.8 MeV Kr-ions and annealed to 1000ºC, 1300ºC, and 1600°C for 1 hour to produce a Kr-bubble dominated microstructure. The results of this work indicate a strong dependence of Kr concentration as a function of grain boundary structure. Temperature also influences grain boundary chemistry with greater Kr concentration evident at higher temperatures, resulting in a reduced Kr concentration in the bulk. While Kr migration is active at elevated temperatures, no changes in grain size or texture were observed in the irradiated UO2 samples.

  8. Combustion-turbulence interaction in the turbulent boundary layer over a hot surface

    SciTech Connect (OSTI)

    Ng, T.T.; Cheng, R.K.; Robben, F.; Talbot, L.

    1982-01-01

    The turbulence-combustion interaction in a reacting turbulent boundary layer over a heated flat plate was studied. Ethylene/air mixture with equivalence ratio of 0.35 was used. The free stream velocity was 10.5 m/s and the wall temperature was 1250/sup 0/K. Combustion structures visualization was provided by high-speed schlieren photographs. Fluid density statistics were deduced from Rayleigh scattering intensity measurements. A single-component laser Doppler velocimetry system was used to obtain mean and root-mean-square velocity distributions, the Reynolds stress, the streamwise and the cross-stream turbulent kinetic energy diffusion, and the production of turbulent kinetic energy by Reynolds stress. The combustion process was dominated by large-scale turbulent structures of the boundary layer. Combustion causes expansion of the boundary layer. No overall self-similarity is observed in either the velocity or the density profiles. Velocity fluctuations were increased in part of the boundary layer and the Reynolds stress was reduced. The turbulent kinetic energy diffusion pattern was changed significantly and a modification of the boundary layer assumption will be needed when dealing with this problem analytically. 11 figures, 1 table.

  9. Testing thermal gradient driving force for grain boundary migration using molecular dynamics simulations

    SciTech Connect (OSTI)

    Bai, Xian-Ming; Zhang, Yongfeng; Tonks, Michael R.

    2015-02-01

    Strong thermal gradients in low-thermal-conductivity ceramics may drive extended defects, such as grain boundaries and voids, to migrate in preferential directions. In this work, molecular dynamics simulations are conducted to study thermal gradient driven grain boundary migration and to verify a previously proposed thermal gradient driving force equation, using uranium dioxide as a model system. It is found that a thermal gradient drives grain boundaries to migrate up the gradient and the migration velocity increases under a constant gradient owing to the increase in mobility with temperature. Different grain boundaries migrate at very different rates due to their different intrinsic mobilities. The extracted mobilities from the thermal gradient driven simulations are compared with those calculated from two other well-established methods and good agreement between the three different methods is found, demonstrating that the theoretical equation of the thermal gradient driving force is valid, although a correction of one input parameter should be made. The discrepancy in the grain boundary mobilities between modeling and experiments is also discussed.

  10. Phase transitions in a reaction-diffusion model on a line with boundaries

    SciTech Connect (OSTI)

    Khorrami, Mohammad Aghamohammadi, Amir

    2014-03-15

    A one-dimensional model on a line of length L is investigated, which involves particle diffusion as well as single particle annihilation. There are also creation and annihilation at the boundaries. The static and dynamical behaviors of the system are studied. It is seen that the system could exhibit a dynamical phase transition. For small drift velocities, the relaxation time does not depend on the absorption rates at the boundaries. This is the fast phase. For large velocities, the smaller of the absorption rates at boundaries enter the relaxation rate and makes it longer. This is the slow phase. Finally, the effect of a random particle creation in the bulk is also investigated.

  11. Negative plasma potential in a multidipole chamber with a dielectric coated plasma boundary

    SciTech Connect (OSTI)

    Sheehan, J. P.; Hershkowitz, Noah

    2012-05-15

    Negative plasma potentials with respect to a grounded wall that was coated with a dielectric have been achieved in an electropositive plasma confined by a multidipole device. A Langmuir probe was used to measure the density and temperatures of the bi-Maxwellian distribution electrons and an emissive probe was used to measure the plasma potential profile near the plasma boundary. For many discharge parameters, the potential profile was that of a typical electropositive sheath, but it was shifted negative due to negative charge accumulated on the plasma-surface boundary. A virtual cathode was observed near the boundary when the neutral pressure, primary electron energy, and/or discharge current were low ({approx}2 x 10{sup -4} Torr, {approx}60 eV, and 80 mA, respectively). The behavior of the sheath potential was shown to be consistent with that predicted by particle balance and a qualitative mechanism for wall charging is presented.

  12. All bulk and boundary unitary cubic curvature theories in three dimensions

    SciTech Connect (OSTI)

    Guellue, Ibrahim; Sisman, Tahsin Cagri; Tekin, Bayram

    2011-01-15

    We construct all the bulk and boundary unitary cubic curvature parity invariant gravity theories in three dimensions in (anti)-de Sitter spaces. For bulk unitarity, our construction is based on the principle that the free theory of the cubic curvature theory reduces to one of the three known unitary theories which are the cosmological Einstein-Hilbert theory, the quadratic theory of the scalar curvature, or the new massive gravity (NMG). Bulk and boundary unitarity in NMG is in conflict; therefore, cubic theories that are unitary both in the bulk and on the boundary have free theories that reduce to the other two alternatives. We also study the unitarity of the Born-Infeld extensions of NMG to all orders in curvature.

  13. Accuracy of the Frensley inflow boundary condition for Wigner equations in simulating resonant tunneling diodes

    SciTech Connect (OSTI)

    Jiang Haiyan; Cai Wei; Tsu, Raphael

    2011-03-01

    In this paper, the accuracy of the Frensley inflow boundary condition of the Wigner equation is analyzed in computing the I-V characteristics of a resonant tunneling diode (RTD). It is found that the Frensley inflow boundary condition for incoming electrons holds only exactly infinite away from the active device region and its accuracy depends on the length of contacts included in the simulation. For this study, the non-equilibrium Green's function (NEGF) with a Dirichlet to Neumann mapping boundary condition is used for comparison. The I-V characteristics of the RTD are found to agree between self-consistent NEGF and Wigner methods at low bias potentials with sufficiently large GaAs contact lengths. Finally, the relation between the negative differential conductance (NDC) of the RTD and the sizes of contact and buffer in the RTD is investigated using both methods.

  14. Temporal variability of the trade wind inversion: Measured with a boundary layer vertical profiler. Master's thesis

    SciTech Connect (OSTI)

    Grindinger, C.M.

    1992-05-01

    This study uses Hawaiian Rainband Project (HaRP) data, from the summer of 1991, to show a boundary layer wind profiler can be used to measure the trade wind inversion. An algorithm has been developed for the profiler that objectively measures the depth of the moist oceanic boundary layer. The Hilo inversion, measured by radiosonde, is highly correlated with the moist oceanic boundary layer measured by the profiler at Paradise Park. The inversion height on windward Hawaii is typically 2253 + or - 514 m. The inversion height varies not only on a daily basis, but on less than an hourly basis. It has a diurnal, as well as a three to four day cycle. There appears to be no consistent relationship between inversion height and precipitation. Currently, this profiler is capable of making high frequency (12 minute) measurements of the inversion base variation, as well as other features.

  15. Highly mobile type II twin boundary in Ni-Mn-Ga five-layered martensite

    SciTech Connect (OSTI)

    Sozinov, A.; Lanska, N.; Soroka, A.; Straka, L.

    2011-09-19

    Twin relationships and stress-induced reorientation were studied in Ni{sub 2}Mn{sub 1.14}Ga{sub 0.86} single crystal with five-layered modulated martensite crystal structure. Very low twinning stress of about 0.1 MPa was found for twin boundaries which deviated a few degrees from the (011) crystallographic plane. However, twin boundaries oriented exactly parallel to the (011) plane exhibited considerably higher level of twinning stress, above 1 MPa. X-ray diffraction experiments and calculations based on approximation of the martensite crystal lattice as a tetragonal lattice with a slight monoclinic distortion identified the two different kinds of twin interfaces as type II and type I twin boundaries.

  16. The atomic structure and chemistry of Fe-rich steps on antiphase boundaries

    Office of Scientific and Technical Information (OSTI)

    in Ti-doped Bi{sub 0.9}Nd{sub 0.15}FeO{sub 3} (Journal Article) | SciTech Connect The atomic structure and chemistry of Fe-rich steps on antiphase boundaries in Ti-doped Bi{sub 0.9}Nd{sub 0.15}FeO{sub 3} Citation Details In-Document Search Title: The atomic structure and chemistry of Fe-rich steps on antiphase boundaries in Ti-doped Bi{sub 0.9}Nd{sub 0.15}FeO{sub 3} Stepped antiphase boundaries are frequently observed in Ti-doped Bi{sub 0.85}Nd{sub 0.15}FeO{sub 3}, related to the novel

  17. THERM3D -- A boundary element computer program for transient heat conduction problems

    SciTech Connect (OSTI)

    Ingber, M.S.

    1994-02-01

    The computer code THERM3D implements the direct boundary element method (BEM) to solve transient heat conduction problems in arbitrary three-dimensional domains. This particular implementation of the BEM avoids performing time-consuming domain integrations by approximating a ``generalized forcing function`` in the interior of the domain with the use of radial basis functions. An approximate particular solution is then constructed, and the original problem is transformed into a sequence of Laplace problems. The code is capable of handling a large variety of boundary conditions including isothermal, specified flux, convection, radiation, and combined convection and radiation conditions. The computer code is benchmarked by comparisons with analytic and finite element results.

  18. Tracking tumor boundary in MV-EPID images without implanted markers: A feasibility study

    SciTech Connect (OSTI)

    Zhang, Xiaoyong Homma, Noriyasu; Ichiji, Kei; Takai, Yoshihiro; Yoshizawa, Makoto

    2015-05-15

    Purpose: To develop a markerless tracking algorithm to track the tumor boundary in megavoltage (MV)-electronic portal imaging device (EPID) images for image-guided radiation therapy. Methods: A level set method (LSM)-based algorithm is developed to track tumor boundary in EPID image sequences. Given an EPID image sequence, an initial curve is manually specified in the first frame. Driven by a region-scalable energy fitting function, the initial curve automatically evolves toward the tumor boundary and stops on the desired boundary while the energy function reaches its minimum. For the subsequent frames, the tracking algorithm updates the initial curve by using the tracking result in the previous frame and reuses the LSM to detect the tumor boundary in the subsequent frame so that the tracking processing can be continued without user intervention. The tracking algorithm is tested on three image datasets, including a 4-D phantom EPID image sequence, four digitally deformable phantom image sequences with different noise levels, and four clinical EPID image sequences acquired in lung cancer treatment. The tracking accuracy is evaluated based on two metrics: centroid localization error (CLE) and volume overlap index (VOI) between the tracking result and the ground truth. Results: For the 4-D phantom image sequence, the CLE is 0.23 ± 0.20 mm, and VOI is 95.6% ± 0.2%. For the digital phantom image sequences, the total CLE and VOI are 0.11 ± 0.08 mm and 96.7% ± 0.7%, respectively. In addition, for the clinical EPID image sequences, the proposed algorithm achieves 0.32 ± 0.77 mm in the CLE and 72.1% ± 5.5% in the VOI. These results demonstrate the effectiveness of the authors’ proposed method both in tumor localization and boundary tracking in EPID images. In addition, compared with two existing tracking algorithms, the proposed method achieves a higher accuracy in tumor localization. Conclusions: In this paper, the authors presented a feasibility study of tracking tumor boundary in EPID images by using a LSM-based algorithm. Experimental results conducted on phantom and clinical EPID images demonstrated the effectiveness of the tracking algorithm for visible tumor target. Compared with previous tracking methods, the authors’ algorithm has the potential to improve the tracking accuracy in radiation therapy. In addition, real-time tumor boundary information within the irradiation field will be potentially useful for further applications, such as adaptive beam delivery, dose evaluation.

  19. Gradient zone-boundary control in salt-gradient solar ponds

    DOE Patents [OSTI]

    Hull, J.R.

    1982-09-29

    A method and apparatus for suppressing zone boundary migration in a salt gradient solar pond includes extending perforated membranes across the pond at the boundaries, between the convective and non-convective zones, the perforations being small enough in size to prevent individual turbulence disturbances from penetrating the hole, but being large enough to allow easy molecular diffusion of salt thereby preventing the formation of convective zones in the gradient layer. The total area of the perforations is a sizeable fraction of the membrane area to allow sufficient salt diffusion while preventing turbulent entrainment into the gradient zone.

  20. Modeling to Support Groundwater Contaminant Boundaries for the Shoal Underground Nuclear Test

    SciTech Connect (OSTI)

    K. Pohlmann; G. Pohll; J. Chapman; A. Hassan; R. Carroll; C. Shirley

    2004-03-01

    Groundwater flow and radionuclide transport at the Shoal underground nuclear test are characterized using three-dimensional numerical models, based on site-specific hydrologic data. The objective of this modeling is to provide the flow and transport models needed to develop a contaminant boundary defining the extent of radionuclide-contaminated groundwater at the site throughout 1,000 years at a prescribed level of confidence. This boundary will then be used to manage the Project Shoal Area for the protection of the public and the environment.

  1. Modeling to Support Groundwater Contaminant Boundaries for the Shoal Underground Nuclear Test

    SciTech Connect (OSTI)

    K. Pohlmann; G. Pohll; J. Chapman; A. Hassan; R. Carroll; C. Shirley

    2004-03-01

    The purpose of this work is to characterize groundwater flow and contaminant transport at the Shoal underground nuclear test through numerical modeling using site-specific hydrologic data. The ultimate objective is the development of a contaminant boundary, a model-predicted perimeter defining the extent of radionuclide-contaminated groundwater from the underground test throughout 1,000 years at a prescribed level of confidence. This boundary will be developed using the numerical models described here, after they are approved for that purpose by DOE and NDEP.

  2. Non-modal analysis of the diocotron instability for cylindrical geometry with conducting boundary

    SciTech Connect (OSTI)

    Mikhailenko, V. V.; Seok Kim, Jin; Jo, Younghyun; June Lee, Hae; Mikhailenko, V. S.; Kharkiv National Automobile and Highway University, 61002 Kharkiv

    2014-05-15

    The temporal evolution of the linear diocotron instability of a cylindrical annular plasma column surrounded by a conducting boundary has been investigated by using the methodology of the cylindrical shearing modes. The linear solution of the initial and boundary-value problems is obtained which is valid for any time at which linear effects dominate. The solution reveals that the initial perturbations of the electron density pass through the stage of the non-modal evolution when the perturbation experiences spatio-temporal distortion pertinent to the considered geometry of the electron column. The result is confirmed by a two-dimensional cylindrical particle-in-cell simulation.

  3. A REDUCED-BOUNDARY-FUNCTION METHOD FOR LONGITUDINAL SOLUTION DISPERSION IN SYMMETRIC CONFINED FLOWS

    SciTech Connect (OSTI)

    Xu Zhijie

    2013-07-01

    We present a reduced-boundary-function method for longitudinal solute transport in symmetric laminar flows. Flow is confined by two flat plates separated by a distance of 2a or by a tube with a radius of a (Figure 1). The standard advection-diffusion equation is mapped onto the boundary (r = a and r = 0, where r is the distance from the centerline shown in Figure 1). The original problem of solving c(x,r,t) is reduced to solve the solutions of c at the boundary, and the problem dimensionality is reduced from 3 to 2. Final results show that the boundary concentration ca(x,t) = c(x, r = a,t) is advected at the mean velocity with a dispersion equal to the molecular diffusion. The centerline concentration c0(x,t) = c(x,r = 0,t) is also advected at the mean velocity, but with a dispersion much larger than the Taylor dispersion. The cross-sectional average concentration is in agreement with the classical Taylor dispersion by neglecting higher order contributions. This study is relevant to the upscaling of solute transport.

  4. Well test imaging - a new method for determination of boundaries from well test data

    SciTech Connect (OSTI)

    Slevinsky, B.A.

    1997-08-01

    A new method has been developed for analysis of well test data, which allows the direct calculation of the location of arbitrary reservoir boundaries which are detected during a well test. The method is based on elements of ray tracing and information theory, and is centered on the calculation of an instantaneous {open_quote}angle of view{close_quote} of the reservoir boundaries. In the absence of other information, the relative reservoir shape and boundary distances are retrievable in the form of a Diagnostic Image. If other reservoir information, such as 3-D seismic, is available; the full shape and orientation of arbitrary (non-straight line or circular arc) boundaries can be determined in the form of a Reservoir Image. The well test imaging method can be used to greatly enhance the information available from well tests and other geological data, and provides a method to integrate data from multiple disciplines to improve reservoir characterization. This paper covers the derivation of the analytical technique of well test imaging and shows examples of application of the technique to a number of reservoirs.

  5. Solid State Theory of Photovoltaic Materials: Nanoscale Grain Boundaries and Doping CIGS

    SciTech Connect (OSTI)

    Zunger, A

    2005-01-01

    We use modern first-principles electronic structure theory to investigate (1) why are grain boundaries in chalcopyrites passive; (2) can chalcopyrites be doped by transition metals, and; (3) can hot electrons and carrier multiplication be efficient in quantum-dot solar cells.

  6. Measurements of stress fields near a grain boundary: Exploring blocked arrays of dislocations in 3D

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

    Guo, Y.; Collins, D. M.; Tarleton, E.; Hofmann, F.; Tischler, J.; Liu, W.; Xu, R.; Wilkinson, A. J.; Britton, T. B.

    2015-06-24

    The interaction between dislocation pile-ups and grain boundaries gives rise to heterogeneous stress distributions when a structural metal is subjected to mechanical loading. Such stress heterogeneity leads to preferential sites for damage nucleation and therefore is intrinsically linked to the strength and ductility of polycrystalline metals. To date the majority of conclusions have been drawn from 2D experimental investigations at the sample surface, allowing only incomplete observations. Our purpose here is to significantly advance the understanding of such problems by providing quantitative measurements of the effects of dislocation pile up and grain boundary interactions in 3D. This is accomplished throughmore » the application of differential aperture X-ray Laue micro-diffraction (DAXM) and high angular resolution electron backscatter diffraction (HR-EBSD) techniques. Our analysis demonstrates a similar strain characterization capability between DAXM and HR-EBSD and the variation of stress intensity in 3D reveals that different parts of the same grain boundary may have different strengths in resisting slip transfer, likely due to the local grain boundary curvature.« less

  7. Lidar Investigation of Tropical Nocturnal Boundary Layer Aerosols and Cloud Macrophysics

    SciTech Connect (OSTI)

    Manoj, M. G.; Devara, PC S.; Taraphdar, Sourav

    2013-10-01

    Observational evidence of two-way association between nocturnal boundary layer aerosols and cloud macrophysical properties under different meteorological conditions is reported in this paper. The study has been conducted during 2008-09 employing a high space-time resolution polarimetric micro-pulse lidar over a tropical urban station in India. Firstly, the study highlights the crucial role of boundary layer aerosols and background meteorology on the formation and structure of low-level stratiform clouds in the backdrop of different atmospheric stability conditions. Turbulent mixing induced by the wind shear at the station, which is associated with a complex terrain, is found to play a pivotal role in the formation and structural evolution of nocturnal boundary layer clouds. Secondly, it is shown that the trapping of energy in the form of outgoing terrestrial radiation by the overlying low-level clouds can enhance the aerosol mixing height associated with the nocturnal boundary layer. To substantiate this, the long-wave heating associated with cloud capping has been quantitatively estimated in an indirect way by employing an Advanced Research Weather Research and Forecasting (WRF-ARW) model version 2.2 developed by National Center for Atmospheric Research (NCAR), Colorado, USA, and supplementary data sets; and differentiated against other heating mechanisms. The present investigation as well establishes the potential of lidar remote-sensing technique in exploring some of the intriguing aspects of the cloud-environment relationship.

  8. Mixed direct-iterative methods for boundary integral formulations of continuum dielectric solvation models

    SciTech Connect (OSTI)

    Corcelli, S.A.; Kress, J.D.; Pratt, L.R.

    1995-08-07

    This paper develops and characterizes mixed direct-iterative methods for boundary integral formulations of continuum dielectric solvation models. We give an example, the Ca{sup ++}{hor_ellipsis}Cl{sup {minus}} pair potential of mean force in aqueous solution, for which a direct solution at thermal accuracy is difficult and, thus for which mixed direct-iterative methods seem necessary to obtain the required high resolution. For the simplest such formulations, Gauss-Seidel iteration diverges in rare cases. This difficulty is analyzed by obtaining the eigenvalues and the spectral radius of the non-symmetric iteration matrix. This establishes that those divergences are due to inaccuracies of the asymptotic approximations used in evaluation of the matrix elements corresponding to accidental close encounters of boundary elements on different atomic spheres. The spectral radii are then greater than one for those diverging cases. This problem is cured by checking for boundary element pairs closer than the typical spatial extent of the boundary elements and for those cases performing an ``in-line`` Monte Carlo integration to evaluate the required matrix elements. These difficulties are not expected and have not been observed for the thoroughly coarsened equations obtained when only a direct solution is sought. Finally, we give an example application of hybrid quantum-classical methods to deprotonation of orthosilicic acid in water.

  9. Large Eddy Simulation of Stable Boundary Layer Turbulent Processes in Complex Terrain

    SciTech Connect (OSTI)

    Eric D. Skyllingstad

    2005-01-26

    Research was performed using a turbulence boundary layer model to study the behavior of cold, dense flows in regions of complex terrain. Results show that flows develop a balance between turbulent entrainment of warm ambient air and dense, cold air created by surface cooling. Flow depth and strength is a function of downslope distance, slope angle and angle changes, and the ambient air temperature.

  10. Fatigue crack damage detection using subharmonic component with nonlinear boundary condition

    SciTech Connect (OSTI)

    Wu, Weiliang Qu, Wenzhong E-mail: xiaoli6401@126.com; Xiao, Li E-mail: xiaoli6401@126.com; Shen, Yanfeng Giurgiutiu, Victor

    2015-03-31

    In recent years, researchers have focused on structural health monitoring (SHM) and damage detection techniques using nonlinear vibration and nonlinear ultrasonic methods. Fatigue cracks may exhibit contact acoustic nonlinearity (CAN) with distinctive features such as superharmonics and subharmonics in the power spectrum of the sensing signals. However, challenges have been noticed in the practical applications of the harmonic methods. For instance, superharmonics can also be generated by the piezoelectric transducers and the electronic equipment; super/subharmonics may also stem from the nonlinear boundary conditions such as structural fixtures and joints. It is hard to tell whether the nonlinear features come from the structural damage or the intrinsic nonlinear boundary conditions. The objective of this paper is to demonstrate the application of nonlinear ultrasonic subharmonic method for detecting fatigue cracks with nonlinear boundary conditions. The fatigue crack was qualitatively modeled as a single-degree-of-freedom (SDOF) system with non-classical hysteretic nonlinear interface forces at both sides of the crack surfaces. The threshold of subharmonic generation was studied, and the influence of crack interface parameters on the subharmonic resonance condition was investigated. The different threshold behaviors between the nonlinear boundary condition and the fatigue crack was found, which can be used to distinguish the source of nonlinear subharmonic features. To evaluate the proposed method, experiments of an aluminum plate with a fatigue crack were conducted to quantitatively verify the subharmonic resonance range. Two surface-bonded piezoelectric transducers were used to generate and receive ultrasonic wave signals. The fatigue damage was characterized in terms of a subharmonic damage index. The experimental results demonstrated that the subharmonic component of the sensing signal can be used to detect the fatigue crack and further distinguish it from inherent nonlinear boundary conditions.

  11. Nature and evolution of the fusion boundary in ferritic-austenitic dissimilar weld metals. Part 1 -- Nucleation and growth

    SciTech Connect (OSTI)

    Nelson, T.W.; Lippold, J.C.; Mills, M.J.

    1999-10-01

    A fundamental investigation of fusion boundary microstructure evolution in dissimilar-metal welds (DMWs) between ferritic base metals and a face-centered-cubic (FCC) filler metal was conducted. The objective of the work presented here was to characterize the nature and character of the elevated-temperature fusion boundary to determine the nucleation and growth characteristics of DMWs. Type 409 ferritic stainless steel and 1080 pearlitic steel were utilized as base metal substrates, and Monel (70Ni-30Cu) was used as the filler metal. The Type 409 base metal provided a fully ferritic or body-centered-cubic (BCC) substrate at elevated temperatures and exhibited no on-cooling phase transformations to mask or disguise the original character of the fusion boundary. The 1080 pearlitic steel was selected because it is austenitic at the solidus temperature, providing an austenite substrate at the fusion boundary. The weld microstructure generated with each of the base metals in combination with Monel was fully austenitic. In the Type 409/Monel system, there was no evidence of epitaxial nucleation and growth as normally observed in homogeneous weld metal combinations. The fusion boundary in this system exhibited random grain boundary misorientations between the heat-affected zone (HAZ) and weld metal grains. In the 1080/Monel system, evidence of normal epitaxial growth was observed at the fusion boundary, where solidification and HAZ grain boundaries converged. The fusion boundary morphologies are a result of the crystal structure present along the fusion boundary during the initial stages of solidification. Based on the results of this investigation, a model for heterogeneous nucleation along the fusion boundary is proposed when the base and weld metals exhibit ferritic (BCC) and FCC crystal structures, respectively.

  12. U.S. Department of Energy

    Gasoline and Diesel Fuel Update (EIA)

    ... TX ROBERTS INDIAN CREEK 1909833001 TX GREGG LONGVIEW 1976560001 TX SMITH CHAPEL HILL ... TX STEPHENS SHACKELFORD 170 4916171012 TX IRION MERTZON 4916171017 TX SMITH TYLER GAS ...

  13. Grain Boundary Character Along Intergranular Stress Corrosion Crack Paths in Austenitic Stainless Alloys Removed from High-Temperature Water Service

    SciTech Connect (OSTI)

    Gertsman, Valerii Y.; Bruemmer, Stephen M.

    2002-01-01

    Stress-corrosion cracks produced in high-temperature water environments were examined in alloy 600 and stainless steel samples. The alloy 600 samples were removed from pressurized-water reactor (PWR) steam generator tubing after exhibiting cracking in service or after model-boiler stress corrosion cracking tests. The 304 and 316 stainless steel samples also experienced intergranular stress corrosion cracking (IGSCC) in high-temperature-water environments similar to a PWR steam generator. Grain boundary misorientations were measured along IG crack paths as well as in the bulk. In general, only twin Sigma 3 boundaries exhibited improved resistance to crack propagation. If the Sigma 3 were factored out, the fractions of grain boundary types of cracked boundaries corresponded to their frequency of occurrence in the bulk alloy. Other boundaries with coincident site lattice misorientations, including Sigma 9 and Sigma 27, were observed to crack. The cracks were often (but not always) arrested at grain boundary junctions containing Sigma 3 boundaries. The results obtained indicate that grain boundary crystallography does not fully determine its susceptibility to IGSCC in typical commercial alloys. Other factors must be taken into account when assessing material?s propensity to IG failure.

  14. Setting up boundary conditions for soil-structure interaction problems with DYNALK (a link from TENSOR to DYNA3D)

    SciTech Connect (OSTI)

    Thigpen, L.; Peterson, J.C.

    1983-08-01

    This report provides instructions on the use of the DYNALK computer program to generate boundary conditions for a soil island used in soil-structure interaction problems. DYNALK converts temporal motions from 2-D TENSOR calculations into appropriate three-dimensional boundary conditions for a DYNA3D soil-structure interaction problem. The program is operational on the CRAY-1 computer.

  15. Multiscale Modeling of Grain Boundary Segregation and Embrittlement in Tungsten for Mechanistic Design of Alloys for Coal Fired Plants

    SciTech Connect (OSTI)

    Luo, Jian; Tomar, Vikas; Zhou, Naixie; Lee, Hongsuk

    2013-06-30

    Based on a recent discovery of premelting-like grain boundary segregation in refractory metals occurring at high temperatures and/or high alloying levels, this project investigated grain boundary segregation and embrittlement in tungsten (W) based alloys. Specifically, new interfacial thermodynamic models have been developed and quantified to predict high-temperature grain boundary segregation in the W-Ni binary alloy and W-Ni-Fe, W-Ni-Ti, W-Ni-Co, W-Ni-Cr, W-Ni-Zr and W-Ni-Nb ternary alloys. The thermodynamic modeling results have been experimentally validated for selected systems. Furthermore, multiscale modeling has been conducted at continuum, atomistic and quantum-mechanical levels to link grain boundary segregation with embrittlement. In summary, this 3-year project has successfully developed a theoretical framework in combination with a multiscale modeling strategy for predicting grain boundary segregation and embrittlement in W based alloys.

  16. A coupling strategy for nonlocal and local diffusion models with mixed volume constraints and boundary conditions

    SciTech Connect (OSTI)

    D'Elia, Marta; Perego, Mauro; Bochev, Pavel B.; Littlewood, David John

    2015-12-21

    We develop and analyze an optimization-based method for the coupling of nonlocal and local diffusion problems with mixed volume constraints and boundary conditions. The approach formulates the coupling as a control problem where the states are the solutions of the nonlocal and local equations, the objective is to minimize their mismatch on the overlap of the nonlocal and local domains, and the controls are virtual volume constraints and boundary conditions. When some assumptions on the kernel functions hold, we prove that the resulting optimization problem is well-posed and discuss its implementation using Sandia’s agile software components toolkit. As a result, the latter provides the groundwork for the development of engineering analysis tools, while numerical results for nonlocal diffusion in three-dimensions illustrate key properties of the optimization-based coupling method.

  17. Amphoteric doping of praseodymium Pr3+ in SrTiO3 grain boundaries

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

    Yang, H.; Lee, H. S.; Kotula, P. G.; Sato, Y.; Ikuhara, Y.; Browning, N. D.

    2015-03-26

    Charge Compensation in rare-earth Praseodymium (Pr3+) doped SrTiO3 plays an important role in determining the overall photoluminescence properties of the system. Here, the Pr3+ doping behavior in SrTiO3 grain boundaries (GBs) is analyzed using aberration corrected scanning transmission electron microscopy (STEM). The presence of Pr3+ induces structure variations and changes the statistical prevalence of GB structures. In contrast to the assumption that Pr3+ substitutes for A site as expected in the bulk, Pr3+ is found to substitute both Sr and Ti sites inside GBs with the highest concentration in the Ti sites. As a result, this amphoteric doping behavior inmore » the boundary plane is further confirmed by first principles theoretical calculations.« less

  18. Substitutional Boron in Nanodiamond, Bucky-Diamond, and Nanocrystalline Diamond Grain Boundaries

    SciTech Connect (OSTI)

    Barnard, Amanda S.; Sternberg, Michael G.

    2006-10-05

    Although boron has been known for many years to be a successful dopant in bulk diamond, efficient doping of nanocrystalline diamond with boron is still being developed. In general, the location, configuration, and bonding structure of boron in nanodiamond is still unknown, including the fundamental question of whether it is located within grains or grain boundaries of thin films and whether it is within the core or at the surface of nanoparticles. Presented here are density functional tight-binding simulations examining the configuration, potential energy surface, and electronic charge of substitutional boron in various types of nanocrystalline diamond. The results predict that boron is likely to be positioned at the surface of isolated particles and at the grain boundary of thin-film samples.

  19. Experimental investigation of sound generation by a protuberance in a laminar boundary layer

    SciTech Connect (OSTI)

    Kobayashi, M.; Asai, M.; Inasawa, A. [Department of Aerospace Engineering, Tokyo Metropolitan University, 6-6 Asahigaoka, Hino, Tokyo 191-0065 (Japan)

    2014-08-15

    Sound radiation from a two-dimensional protuberance glued on the wall in a laminar boundary layer was investigated experimentally at low Mach numbers. When the protuberance was as high as the boundary-layer thickness, a feedback-loop mechanism set in between protuberance-generated sound and Tollmien-Schlichting (T-S) waves generated by the leading-edge receptivity to the upstream-propagating sound. Although occurrence of a separation bubble immediately upstream of the protuberance played important roles in the evolution of instability waves into vortices interacting with the protuberance, the frequency of tonal vortex sound was determined by the selective amplification of T-S waves in the linear instability stage upstream of the separation bubble and was not affected by the instability of the separation bubble.

  20. “Lidar Investigations of Aerosol, Cloud, and Boundary Layer Properties Over the ARM ACRF Sites”

    SciTech Connect (OSTI)

    Ferrare, Richard; Turner, David

    2015-01-13

    Project goals; Characterize the aerosol and ice vertical distributions over the ARM NSA site, and in particular to discriminate between elevated aerosol layers and ice clouds in optically thin scattering layers; Characterize the water vapor and aerosol vertical distributions over the ARM Darwin site, how these distributions vary seasonally, and quantify the amount of water vapor and aerosol that is above the boundary layer; Use the high temporal resolution Raman lidar data to examine how aerosol properties vary near clouds; Use the high temporal resolution Raman lidar and Atmospheric Emitted Radiance Interferometer (AERI) data to quantify entrainment in optically thin continental cumulus clouds; and Use the high temporal Raman lidar data to continue to characterize the turbulence within the convective boundary layer and how the turbulence statistics (e.g., variance, skewness) is correlated with larger scale variables predicted by models.

  1. Explicit expressions for three-dimensional boundary integrals in linear elasticity

    SciTech Connect (OSTI)

    Nintcheu Fata, Sylvain

    2011-01-01

    On employing isoparametric, piecewise linear shape functions over a flat triangle, exact formulae are derived for all surface potentials involved in the numerical treatment of three-dimensional singular and hyper-singular boundary integral equations in linear elasticity. These formulae are valid for an arbitrary source point in space and are represented as analytical expressions along the edges of the integration triangle. They can be employed to solve integral equations defined on triangulated surfaces via a collocation method or may be utilized as analytical expressions for the inner integrals in a Galerkin technique. A numerical example involving a unit triangle and a source point located at various distances above it, as well as sample problems solved by a collocation boundary element method for the Lame equation are included to validate the proposed formulae.

  2. THE MONOCLINIC PHASE IN PZT: NEW LIGHT ON MORPHOTROPIC PHASE BOUNDARIES

    SciTech Connect (OSTI)

    NOHEDA,B.; GONZALO,J.A.; GUO,R.; PARK,S.E.; CROSS,L.E.; COX,D.E.; SHIRANE,G.

    2000-03-09

    A summary of the work recently carried out on the morphotropic phase boundary (MPB) of PZT is presented. By means of x-ray powder diffraction on ceramic samples of excellent quality, the MPB has been successfully characterized by changing temperature in a series of closely spaced compositions. As a result, an unexpected monoclinic phase has been found to exist in between the well-known tetragonal and rhombohedral PZT phases. A detailed structural analysis, together with the investigation of the field effect in this region of compositions, have led to an important advance in understanding the mechanisms responsible for the physical properties of PZT as well as other piezoelectric materials with similar morphotropic phase boundaries.

  3. Mixing in thermally stratified nonlinear spin-up with uniform boundary fluxes

    SciTech Connect (OSTI)

    Baghdasarian, Meline; Pacheco-Vega, Arturo; Pacheco, J. Rafael; Verzicco, Roberto

    2014-09-15

    Studies of stratified spin-up experiments in enclosed cylinders have reported the presence of small pockets of well-mixed fluids but quantitative measurements of the mixedness of the fluid has been lacking. Previous numerical simulations have not addressed these measurements. Here we present numerical simulations that explain how the combined effect of spin-up and thermal boundary conditions enhances or hinders mixing of a fluid in a cylinder. The energy of the system is characterized by splitting the potential energy into diabatic and adiabatic components, and measurements of efficiency of mixing are based on both, the ratio of dissipation of available potential energy to forcing and variance of temperature. The numerical simulations of the Navier–Stokes equations for the problem with different sets of thermal boundary conditions at the horizontal walls helped shed some light on the physical mechanisms of mixing, for which a clear explanation was absent.

  4. A coupling strategy for nonlocal and local diffusion models with mixed volume constraints and boundary conditions

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

    D'Elia, Marta; Perego, Mauro; Bochev, Pavel B.; Littlewood, David John

    2015-12-21

    We develop and analyze an optimization-based method for the coupling of nonlocal and local diffusion problems with mixed volume constraints and boundary conditions. The approach formulates the coupling as a control problem where the states are the solutions of the nonlocal and local equations, the objective is to minimize their mismatch on the overlap of the nonlocal and local domains, and the controls are virtual volume constraints and boundary conditions. When some assumptions on the kernel functions hold, we prove that the resulting optimization problem is well-posed and discuss its implementation using Sandia’s agile software components toolkit. As a result,more » the latter provides the groundwork for the development of engineering analysis tools, while numerical results for nonlocal diffusion in three-dimensions illustrate key properties of the optimization-based coupling method.« less

  5. Amphoteric doping of praseodymium Pr3+ in SrTiO3 grain boundaries

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

    Yang, H.; Lee, H. S.; Kotula, P. G.; Sato, Y.; Ikuhara, Y.; Browning, N. D.

    2015-03-26

    Charge Compensation in rare-earth Praseodymium (Pr3+) doped SrTiO3 plays an important role in determining the overall photoluminescence properties of the system. Here, the Pr3+ doping behavior in SrTiO3 grain boundaries (GBs) is analyzed using aberration corrected scanning transmission electron microscopy (STEM). The presence of Pr3+ induces structure variations and changes the statistical prevalence of GB structures. In contrast to the assumption that Pr3+ substitutes for A site as expected in the bulk, Pr3+ is found to substitute both Sr and Ti sites inside GBs with the highest concentration in the Ti sites. As a result, this amphoteric doping behavior inmore »the boundary plane is further confirmed by first principles theoretical calculations.« less

  6. A survey of repair practices for nuclear power plant containment metallic pressure boundaries

    SciTech Connect (OSTI)

    Oland, C.B.; Naus, D.J.

    1998-05-01

    The Nuclear Regulatory Commission has initiated a program at the Oak Ridge National Laboratory to provide assistance in their assessment of the effects of potential degradation on the structural integrity and leaktightness of metal containment vessels and steel liners of concrete containments in nuclear power plants. One of the program objectives is to identify repair practices for restoring metallic containment pressure boundary components that have been damaged or degraded in service. This report presents issues associated with inservice condition assessments and continued service evaluations and identifies the rules and requirements for the repair and replacement of nonconforming containment pressure boundary components by welding or metal removal. Discussion topics include base and welding materials, welding procedure and performance qualifications, inspection techniques, testing methods, acceptance criteria, and documentation requirements necessary for making acceptable repairs and replacements so that the plant can be returned to a safe operating condition.

  7. "Non-Reflective" Boundary Design via Remote Sensing and PID Control Valve

    SciTech Connect (OSTI)

    Zhang, Qin Fen; Karney, Professor Byran W.; Pejovic, Dr. Stanislav

    2011-01-01

    This paper develops the concept of a nonreflective (or semireflective) boundary condition using the combination of a remote sensor and a control system to modulate a relief valve. The essential idea is to sense the pressure change at a remote location and then to use the measured data to adjust the opening of an active control valve at the end of the line to eliminate or attenuate the wave reflections at the valve, thus controlling system transient pressures. This novel idea is shown here through numerical simulation to have considerable potential for transient protection. Using this model, wave reflections and resonance can be effectively eliminated for frictionless pipelines or initial no-flow conditions and can be better controlled in more realistic pipelines for a range of transient disturbances. In addition, the features of even-order harmonics and nonreflective boundary conditions during steady oscillation, obtained through time domain transient analysis, are verified by hydraulic impedance analysis in the frequency domain.

  8. On the no-boundary proposal for ekpyrotic and cyclic cosmologies

    SciTech Connect (OSTI)

    Battarra, Lorenzo; Lehners, Jean-Luc, E-mail: lorenzo.battarra@aei.mpg.de, E-mail: jlehners@aei.mpg.de [Max-Planck-Institute for Gravitational Physics (Albert-Einstein-Institute), Am Muehlenberg 1, D-14476 Potsdam-Golm (Germany)

    2014-12-01

    The no-boundary proposal provides a compelling theory for the initial conditions of our universe. We study the implications of such initial conditions for ekpyrotic and cyclic cosmologies. These cosmologies allow for the existence of a new type of ''ekpyrotic instanton'', which describes the creation of a universe in the ekpyrotic contraction phase. Remarkably, we find that the ekpyrotic attractor can explain how the universe became classical. In a cyclic context, in addition to the ekpyrotic instantons there exist de Sitter-like instantons describing the emergence of the universe in the dark energy phase. Our results show that typically the ekpyrotic instantons yield a higher probability. In fact, in a potential energy landscape allowing both inflationary and cyclic cosmologies, the no-boundary proposal implies that the probability for ekpyrotic and cyclic initial conditions is vastly higher than that for inflationary ones.

  9. LABLE: A multi-institutional, student-led, atmospheric boundary layer experiment

    SciTech Connect (OSTI)

    Klein, P.; Bonin, T. A.; Newman, J. F.; Turner, D. D.; Chilson, P. B.; Wainwright, C. E.; Blumberg, W. G.; Mishra, S.; Carney, M.; Jacobsen, E. P.; Wharton, Sonia; Newsom, Rob K.

    2015-10-23

    This paper presents an overview of the Lower Atmospheric Boundary Layer Experiment (LABLE), which included two measurement campaigns conducted at the Atmospheric Radiation Measurement (ARM) Southern Great Plains site in Oklahoma during 2012 and 2013. LABLE was conducted as a collaborative effort between the University of Oklahoma (OU), the National Severe Storms Laboratory, Lawrence Livermore National Laboratory (LLNL), and the ARM program. LABLE can be considered unique in that it was designed as a multi-phase, low-cost, multi-agency collaboration. Graduate students served as principal investigators and took the lead in designing and conducting experiments aimed at examining boundary-layer processes. The main objective of LABLE was to study turbulent phenomena in the lowest 2 km of the atmosphere over heterogeneous terrain using a variety of novel atmospheric profiling techniques. Several instruments from OU and LLNL were deployed to augment the suite of in-situ and remote sensing instruments at the ARM site. The complementary nature of the deployed instruments with respect to resolution and height coverage provides a near-complete picture of the dynamic and thermodynamic structure of the atmospheric boundary layer. This paper provides an overview of the experiment including i) instruments deployed, ii) sampling strategies, iii) parameters observed, and iv) student involvement. To illustrate these components, the presented results focus on one particular aspect of LABLE, namely the study of the nocturnal boundary layer and the formation and structure of nocturnal low-level jets. During LABLE, low-level jets were frequently observed and they often interacted with mesoscale atmospheric disturbances such as frontal passages.

  10. New method to determine planetary boundary layer depth | U.S. DOE Office of

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

    Science (SC) New method to determine planetary boundary layer depth Biological and Environmental Research (BER) BER Home About Research Facilities Science Highlights Searchable Archive of BER Highlights External link Benefits of BER Funding Opportunities Biological & Environmental Research Advisory Committee (BERAC) Community Resources Contact Information Biological and Environmental Research U.S. Department of Energy SC-23/Germantown Building 1000 Independence Ave., SW Washington, DC

  11. Regional Scale Surface CO2 Exchange Estimates Using a Boundary Layer Budget

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

    Method over the Southern Great Plains Regional Scale Surface CO2 Exchange Estimates Using a Boundary Layer Budget Method over the Southern Great Plains Williams, Ian University of Chicago Riley, William Lawrence Berkeley National Laboratory Berry, Joseph Carnegie Inst.of Washington Torn, Margaret Lawrence Berkeley National Laboratory Fischer, Marc Lawrence Berkeley National Laboratory Category: Atmospheric State and Surface Concentration gradients of CO2 and H2O at the transition between the

  12. An enriched finite element model with q-refinement for radiative boundary layers in glass cooling

    SciTech Connect (OSTI)

    Mohamed, M. Shadi; Seaid, Mohammed; Trevelyan, Jon; Laghrouche, Omar

    2014-02-01

    Radiative cooling in glass manufacturing is simulated using the partition of unity finite element method. The governing equations consist of a semi-linear transient heat equation for the temperature field and a stationary simplified P{sub 1} approximation for the radiation in non-grey semitransparent media. To integrate the coupled equations in time we consider a linearly implicit scheme in the finite element framework. A class of hyperbolic enrichment functions is proposed to resolve boundary layers near the enclosure walls. Using an industrial electromagnetic spectrum, the proposed method shows an immense reduction in the number of degrees of freedom required to achieve a certain accuracy compared to the conventional h-version finite element method. Furthermore the method shows a stable behaviour in treating the boundary layers which is shown by studying the solution close to the domain boundaries. The time integration choice is essential to implement a q-refinement procedure introduced in the current study. The enrichment is refined with respect to the steepness of the solution gradient near the domain boundary in the first few time steps and is shown to lead to a further significant reduction on top of what is already achieved with the enrichment. The performance of the proposed method is analysed for glass annealing in two enclosures where the simplified P{sub 1} approximation solution with the partition of unity method, the conventional finite element method and the finite difference method are compared to each other and to the full radiative heat transfer as well as the canonical Rosseland model.

  13. Influence of grain boundary phosphorus concentration on liquid metal and hydrogen embrittlement of Monel 400

    SciTech Connect (OSTI)

    Funkenbusch, A.W.; Heldt, L.A.; Stein, D.F.

    1982-04-01

    Susceptibility to embrittlement by mercury and hydrogen was measured as affected by thermal treatment. Specimens were annealed at 900/degree/C and either quenched or furnace cooled. Fractures in air were ductile, and not affected by thermal treatment. Fractures of mercury-coated and hydrogen-charged samples were brittle and intergranular; elongation to fracture increased with increasing concentration of grain boundary phosphorus. 45 refs.

  14. DOE/SC-ARM-14-034 Lower Atmospheric Boundary Layer Experiment

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

    4 Lower Atmospheric Boundary Layer Experiment (LABLE) Final Campaign Report P Klein WG Blumberg TA Bonin S Mishra JF Newman M Carney DD Turner EP Jacobsen PB Chilson S Wharton CE Wainwright RK Newsom November 2014 DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the United States nor any agency thereof, nor any of their employees, makes any warranty, express or implied, or assumes any legal liability or responsibility for the accuracy,

  15. DOE/SC-ARM/TR-132 Planetary Boundary Layer (PBL) Height Value

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

    2 Planetary Boundary Layer (PBL) Height Value Added Product (VAP): Radiosonde Retrievals C Sivaraman S McFarlane 1 E Chapman Pacific Northwest National Laboratory M Jensen T Toto Brookhaven National Laboratory S Liu University of Maryland M Fischer Lawrence Berkeley National Laboratory August 2013 Version 1.0 1 Now at the U.S. Department of Energy, Climate & Environmental Science Division DISCLAIMER This report was prepared as an account of work sponsored by the U.S. Government. Neither the

  16. Boundary element method using B-splines with applications to groundwater flow

    SciTech Connect (OSTI)

    Cabral, J.J.S.P.

    1992-01-01

    The Boundary Element Method (BEM) is now established as a suitable and efficient technique for the analysis of engineering problems. However, as in other discretization procedures, inaccuracies can be introduced as a result of the lack of derivative continuity between adjacent elements. A new element formulation has been developed for BEM analysis using uniform cubic B-splines. These functions can be employed to provide higher degrees of continuity along the geometric boundary of the region, and also as interpolation functions for the problem variables. The formulation was then extended to include multiple knots and non-uniform blending functions. In this way, it is possible to lower the degree of continuity of the main variable at points of geometric discontinuity. Initially, applications are presented related to potential problems governed by Laplace's equation but there are no restrictions in the formulation regarding its extension to other physical problems. Continuity of the derivatives of the main variable is important to obtain a good representation of moving boundaries with iterative or time-marching schemes. This formulation is applied to stead-state and transient unconfined flow in homogeneous and inhomogeneous porous media. Finally, the formulation is applied to saltwater intrusion problems in confined, leaky and unconfined aquifers.

  17. Traction–separation relationships for hydrogen induced grain boundary embrittlement in nickel via molecular dynamics simulations

    SciTech Connect (OSTI)

    Barrows, Wesley; Dingreville, Rémi; Spearot, Douglas

    2015-10-19

    A statistical approach combined with molecular dynamics simulations is used to study the influence of hydrogen on intergranular decohesion. This methodology is applied to a Ni ?3(112)[11¯0] symmetric tilt grain boundary. Hydrogenated grain boundaries with different H concentrations are constructed using an energy minimization technique with initial H atom positions guided by Monte Carlo simulation results. Decohesion behavior is assessed through extraction of a traction–separation relationship during steady-state crack propagation in a statistically meaningful approach, building upon prior work employing atomistic cohesive zone volume elements (CZVEs). A sensitivity analysis is performed on the numerical approach used to extract the traction–separation relationships, clarifying the role of CZVE size, threshold parameters necessary to differentiate elastic and decohesion responses, and the numerical averaging technique. Results show that increasing H coverage at the Ni ?3(112)[11¯0] grain boundary asymmetrically influences the crack tip velocity during propagation, leads to a general decrease in the work of separation required for crack propagation, and provides a reduction in the peak stress in the extracted traction–separation relationship. Furthermore the present framework offers a meaningful vehicle to pass atomistically derived interfacial behavior to higher length scale formulations for intergranular fracture.

  18. Iridium profile for 10 million years across the Cretaceous-Tertiary boundary at Gubbio (Italy)

    SciTech Connect (OSTI)

    Alvarez, W.; Montanari, A. ); Asaro, F. )

    1990-12-21

    The iridium anomaly at the Cretaceous-Tertiary (KT) boundary was discovered in the pelagic limestone sequence at Gubbio on the basis of 12 samples analyzed by neutron activation analysis (NAA) and was interpreted as indicating impact of a large extraterrestrial object at exactly the time of the KT mass extinction. Continuing controversy over the shape of the Ir profile at the Gubbio KT boundary and its interpretation called for a more detailed follow-up study. Analysis of a 57-meter-thick, 10-million-year-old part of the Gubbio sequence using improved NAA techniques revealed that there is only one Ir anomaly at the KT boundary, but this anomaly shows an intricate fine structure, the origin of which cannot yet be entirely explained. The KT Ir anomaly peaks in a 1-centimeter-thick clay layer, where the average Ir concentration is 3,000 parts per trillion (ppt); this peak is flanked by tails with Ir concentrations of 20 to 80 ppt that rise above a background of 12 to 13 ppt. The fine structure of the tails is probably due in part to lateral reworking, diffusion, burrowing, and perhaps Milankovitch cyclicity.

  19. Spherules from the Cretaceous/Tertiary boundary clay at Gubbio, Italy: the problem of outcrop contamination

    SciTech Connect (OSTI)

    Montanari, A.

    1986-12-01

    Surficial outcrop contamination has occurred in some well-known stratigraphic sections of carbonate rocks in the northern Apennines. A critical case involves several contaminated clay partings, including the Cretaceous/Tertiary boundary clay in the classic Bottaccione section near Gubbio, Italy. These clay layers contain shiny spherules which, in several recent studies, have been said to consist of volcanic glass and have been used to support the hypothesis that the terminal Cretaceous mass extinction was caused by widespread volcanism. Laboratory tests, however, indicate that these shiny spherules are made of HF-insoluble and combustible material and are therefore of recent biological origin. These objects were introduced into the Cretaceous/Tertiary boundary clay and other clay layers from the surrounding soil along with abundant detrital contaminants derived from erosion of the middle Miocene flysch exposed at the head of the Bottaccione Gorge. They are completely different from the altered and flattened microtektitelike spheroids that are found only in the iridium-rich Cretaceous/Tertiary boundary clay and that provide strong evidence for a large impact.

  20. Integrity of the reactor coolant boundary of the European pressurized water reactor (EPR)

    SciTech Connect (OSTI)

    Goetsch, D.; Bieniussa, K.; Schulz, H.; Jalouneix, J.

    1997-04-01

    This paper is an abstract of the work performed in the frame of the development of the IPSN/GRS approach in view of the EPR conceptual safety features. EPR is a pressurized water reactor which will be based on the experience gained by utilities and designers in France and in Germany. The reactor coolant boundary of a PWR includes the reactor pressure vessel (RPV), those parts of the steam generators (SGs) which contain primary coolant, the pressurizer (PSR), the reactor coolant pumps (RCPs), the main coolant lines (MCLs) with their branches as well as the other connecting pipes and all branching pipes including the second isolation valves. The present work covering the integrity of the reactor coolant boundary is mainly restricted to the integrity of the main coolant lines (MCLs) and reflects the design requirements for the main components of the reactor coolant boundary. In the following the conceptual aspects, i.e. design, manufacture, construction and operation, will be assessed. A main aspect is the definition of break postulates regarding overall safety implications.

  1. Simulation of the effects of grain boundary fission gas during thermal transients

    SciTech Connect (OSTI)

    Fenske, G.R.; Emerson, J.E.; Beiersdorf, B.A.

    1984-11-01

    This report presents the results of an initial set of out-of-cell transient heating experiments performed on unirradiated UO/sub 2/ pellets fabricated to simulate the effect of grain boundary fission gas on fuel swelling and cladding failure. The fabrication involved trapping high-pressure argon on internal pores by sintering annular UO/sub 2/ pellets in a hot isostatic press (HIP). The pellet stack was subjected to two separate transients (DGF83-03A and -03B). Figures show photomicrographs of HIPped and non-HIPped UO/sub 2/, respectively, and the adjacent cladding after DGF83-03B. Fuel melting occurred at the center of both the HIPped and non-HIPped pellets; however, a dark ring is present near the center in the HIPped fuel but not in the non-HIPped fuel. This dark band is a high-porosity region due to increased grain boundary/edge swelling in that pellet. In contrast, grain boundary/edge swelling did not occur in the non-HIPped pellets. Thus, the presence of the high-pressure argon trapped on internal pores during sintering in the HIP altered the microstructural behavior. Results of these preliminary tests indicate that the microstructural behavior of HIPped fuel during thermal transients is different from the behavior of conventionally fabricated fuel.

  2. The impedance problem of wave diffraction by a strip with higher order boundary conditions

    SciTech Connect (OSTI)

    Castro, L. P.; Simões, A. M.

    2013-10-17

    This work is devoted to analyse an impedance boundary-transmission problem for the Helmholtz equation originated by a problem of wave diffraction by an infinite strip with higher order imperfect boundary conditions. A constructive approach of operator relations is built, which allows a transparent interpretation of the problem in an operator theory framework. In particular, different types of operator relations are exhibited for different types of operators acting between Lebesgue and Sobolev spaces on a finite interval and the positive half-line. All this has consequences in the understanding of the structure of this type of problems. In particular, a Fredholm characterization of the problem is obtained in terms of the initial space order parameters. At the request of the author and the Proceedings Editor the above article has been replaced with a corrected version. The original PDF file supplied to AIP Publishing contained an error in the title of the article. The original title appeared as: 'The Impedance Problem of Wave Diffraction by a trip with Higher Order Boundary Conditions.' This article has been replaced and the title now appears correctly online. The corrected article was published on 8 November 2013.

  3. Traction–separation relationships for hydrogen induced grain boundary embrittlement in nickel via molecular dynamics simulations

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

    Barrows, Wesley; Dingreville, Rémi; Spearot, Douglas

    2015-10-19

    A statistical approach combined with molecular dynamics simulations is used to study the influence of hydrogen on intergranular decohesion. This methodology is applied to a Ni Σ3(112)[11¯0] symmetric tilt grain boundary. Hydrogenated grain boundaries with different H concentrations are constructed using an energy minimization technique with initial H atom positions guided by Monte Carlo simulation results. Decohesion behavior is assessed through extraction of a traction–separation relationship during steady-state crack propagation in a statistically meaningful approach, building upon prior work employing atomistic cohesive zone volume elements (CZVEs). A sensitivity analysis is performed on the numerical approach used to extract the traction–separationmore » relationships, clarifying the role of CZVE size, threshold parameters necessary to differentiate elastic and decohesion responses, and the numerical averaging technique. Results show that increasing H coverage at the Ni Σ3(112)[11¯0] grain boundary asymmetrically influences the crack tip velocity during propagation, leads to a general decrease in the work of separation required for crack propagation, and provides a reduction in the peak stress in the extracted traction–separation relationship. Furthermore the present framework offers a meaningful vehicle to pass atomistically derived interfacial behavior to higher length scale formulations for intergranular fracture.« less

  4. Rigid-body translation and bonding across l brace 110 r brace antiphase boundaries in GaAs

    SciTech Connect (OSTI)

    Rasmussen, D.R.; McKernan, S.; Carter, C.B. )

    1991-05-20

    A transmission-electron-microscope strong-beam technique is used to investigate the rigid-body translation across {l brace}110{r brace} antiphase boundaries in GaAs. The results show a translation in the {l angle}001{r angle} direction parallel to the plane of the boundary. The magnitude of the translation is determined, and the antisite bond lengths are discussed in terms of the tetrahedral radii of Ga and As. Given this knowledge of the rigid-body translation, the absolute polarity of a GaAs grain can be determined immediately from a bright-field image of the {l brace}110{r brace} antiphase boundary.

  5. Method of making quasi-grain boundary-free polycrystalline solar cell structure and solar cell structure obtained thereby

    DOE Patents [OSTI]

    Gonzalez, Franklin N.; Neugroschel, Arnost

    1984-02-14

    A new solar cell structure is provided which will increase the efficiency of polycrystalline solar cells by suppressing or completely eliminating the recombination losses due to the presence of grain boundaries. This is achieved by avoiding the formation of the p-n junction (or other types of junctions) in the grain boundaries and by eliminating the grain boundaries from the active area of the cell. This basic concept can be applied to any polycrystalline material; however, it will be most beneficial for cost-effective materials having small grains, including thin film materials.

  6. Alamo, TX Natural Gas Pipeline Exports to Mexico (Million Cubic...

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

    8,101 6,852 6,008 5,844 5,840 4,837 2015 3,440 3,990 6,547 6,431 7,980 6,896 7,411 5,451 5,292 6,185 4,875 4,771 2016 7,203 5,595 - No Data Reported; -- Not Applicable; NA ...

  7. Clint, TX Natural Gas Pipeline Exports to Mexico (Dollars per...

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

    Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 4.51 4.57 4.11 4.50 4.51 4.73 4.68 4.57 4.21 3.89 3.71 3.63 2012 3.30 2.93 2.62 2.34 2.57 2.82 3.13 3.23 3.07 3.53 3.83 ...

  8. Penitas, TX Natural Gas Pipeline Exports to Mexico (Dollars per...

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

    Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 4.43 4.15 3.95 4.32 4.37 4.58 4.44 4.38 3.88 3.64 3.10

  9. Alamo, TX Natural Gas Pipeline Exports to Mexico (Dollars per...

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

    Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 4.37 4.38 3.92 4.24 4.36 4.46 4.46 4.29 3.88 3.67 3.40 3.31 2012 3.11 2.64 2.28 2.09 2.41 2.48 2.90 3.08 2.80 3.26 3.53 ...

  10. Eagle Pass, TX Natural Gas Pipeline Exports to Mexico (Dollars...

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

    Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's 2.52 2.79 2.24 2.35 2000's 3.91 4.45 3.44 5.34 5.95 7.49 6.73 6.72 9.00 4.47 2010's 5.13 4.57 ...

  11. Romas, TX Natural Gas Pipeline Exports (Price) Mexico (Dollars...

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

    Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 4.54 4.33 3.95 4.33 4.42 4.49 4.47 4.44 3.92 3.66 3.24 3.30 2012 2.81 2.64 2.35 2.09 2.46 2.63 2.93 3.05 2.81 3.23 3.49 ...

  12. Alamo, TX Natural Gas Pipeline Exports to Mexico (Dollars per...

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

    Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's NA NA 2000's 4.49 4.12 3.35 5.36 5.97 7.17 6.62 7.11 8.40 3.95 2010's 4.50 4.10 2.86 3.81 4.63 ...

  13. Clint, TX Natural Gas Pipeline Exports to Mexico (Dollars per...

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

    Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's 2.24 1.99 2.22 2000's 3.95 4.28 3.16 5.50 5.91 8.01 6.42 6.37 7.83 3.78 2010's 4.61 4.29 3.08 ...

  14. Galvan Ranch, TX Natural Gas Pipeline Imports From Mexico (Dollars...

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

    Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 3.27 3.34 2.85 3.28 3.41 3.38 3.44 3.42 2.94 2.82 2.55 2.41 2012 2.17 1.80 1.56 1.27 1.15 1.52 1.86 2.09 1.76 2.09 2.80 ...

  15. Penitas, TX Natural Gas Pipeline Exports to Mexico (Dollars per...

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

    Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's 2.05 2.62 2.09 NA 2000's NA NA 3.27 6.53 5.71 -- -- -- 8.41 4.37 2010's 4.94 4.19 -- -- --

  16. Romas, TX Natural Gas Pipeline Exports (Price) Mexico (Dollars...

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

    Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 1990's NA 2000's NA NA NA 5.18 5.84 7.29 6.75 6.93 8.58 3.91 2010's 4.55 4.14 2.86 3.80 4.62 2.79

  17. Galvan Ranch, TX Natural Gas Pipeline Imports From Mexico (Dollars...

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

    Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- -- 2.69 2010's 3.52 3.12 1.87 2.66 3.45 1.71

  18. Eagle Pass, TX Natural Gas Pipeline Exports to Mexico (Dollars...

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

    Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2011 4.77 4.97 4.44 4.94 5.00 4.95 5.04 4.61 4.61 4.39 4.11 3.94 2012 3.67 3.24 3.02 2.78 2.63 3.10 3.43 3.78 3.28 3.64 4.04 ...

  19. TX, RRC District 1 Dry Natural Gas Proved Reserves

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

    398 2,399 5,910 8,868 7,784 11,945 1977-2014 Adjustments -22 -95 53 122 161 81 1977-2014 Revision Increases 105 424 2,221 1,896 1,141 4,001 1977-2014 Revision Decreases 104 320 174 1,548 2,833 872 1977-2014 Sales 35 466 1,193 32 91 150 2000-2014 Acquisitions 50 416 1,139 19 127 173 2000-2014 Extensions 143 1,023 1,657 2,884 1,076 1,766 1977-2014 New Field Discoveries 358 117 24 38 2 0 1977-2014 New Reservoir Discoveries in Old Fields 0 15 2 1 11 16 1977-2014 Estimated Production 82 113 218 422

  20. TX, RRC District 10 Dry Natural Gas Proved Reserves

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

    6,882 7,663 7,513 7,253 7,034 7,454 1977-2014 Adjustments 188 -172 -76 301 41 127 1977-2014 Revision Increases 526 1,252 795 1,022 891 910 1977-2014 Revision Decreases 1,060 958 1,413 2,427 1,369 1,101 1977-2014 Sales 46 131 1,089 132 533 1,387 2000-2014 Acquisitions 68 96 579 671 813 1,846 2000-2014 Extensions 837 1,263 1,687 1,003 532 657 1977-2014 New Field Discoveries 0 0 3 0 0 0 1977-2014 New Reservoir Discoveries in Old Fields 0 0 14 0 92 0 1977-2014 Estimated Production 553 569 650 698

  1. TX, RRC District 2 Onshore Coalbed Methane Proved Reserves, Reserves

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

    Changes, and Production 1 2 4 2005-2014 Adjustments 0 0 0 1 1 -5 2009-2014 Revision Increases 0 0 0 0 0 9 2009-2014 Revision Decreases 0 0 0 0 0 0 2009-2014 Sales 0 0 0 0 0 1 2009-2014 Acquisitions 0 0 0 0 0 0 2009-2014 Extensions 0 0 0 0 0 0 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 0 0 2009-2014 Estimated Production 0 0 0 0 0 1

  2. TX, RRC District 2 Onshore Dry Natural Gas Proved Reserves

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

    800 2,090 3,423 5,462 5,910 6,559 1977-2014 Adjustments -90 -10 178 -19 -219 -84 1977-2014 Revision Increases 190 333 425 403 985 633 1977-2014 Revision Decreases 372 302 550 614 1,462 732 1977-2014 Sales 22 18 162 11 370 1,327 2000-2014 Acquisitions 5 30 634 195 426 1,267 2000-2014 Extensions 86 178 1,001 2,446 1,595 1,462 1977-2014 New Field Discoveries 11 307 0 0 0 0 1977-2014 New Reservoir Discoveries in Old Fields 13 9 113 69 27 103 1977-2014 Estimated Production 259 237 306 430 534 673

  3. TX, RRC District 2 Onshore Lease Condensate Proved Reserves, Reserve

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

    Changes, and Production 5 47 229 506 594 706 1979-2014 Adjustments 3 1 13 -26 7 -9 2009-2014 Revision Increases 2 4 33 54 98 70 2009-2014 Revision Decreases 6 4 20 15 162 89 2009-2014 Sales 0 0 6 0 10 139 2009-2014 Acquisitions 0 0 80 22 24 137 2009-2014 Extensions 1 15 91 272 179 208 2009-2014 New Field Discoveries 0 21 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 1 0 9 3 1 0 2009-2014 Estimated Production 3 5 18 33 49 6

  4. TX, RRC District 2 Onshore Proved Nonproducing Reserves

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

    14 53 242 711 615 825 1996-2014 Lease Condensate (million bbls) 1 22 100 369 268 438 1998-2014 Total Gas (billion cu ft) 648 886 1,504 3,707 2,477 4,014 1996-2014 Nonassociated Gas (billion cu ft) 617 810 1,104 2,307 1,567 2,454 1996-2014 Associated Gas (billion cu ft) 31 76 400 1,400 910 1,560

  5. TX, RRC District 3 Onshore Coalbed Methane Proved Reserves, Reserves

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

    Changes, and Production 71 47 49 2005-2014 Adjustments 0 0 0 81 -17 -37 2009-2014 Revision Increases 0 0 0 0 0 21 2009-2014 Revision Decreases 0 0 0 0 0 0 2009-2014 Sales 0 0 0 0 0 1 2009-2014 Acquisitions 0 0 0 0 0 0 2009-2014 Extensions 0 0 0 0 0 26 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 0 0 2009-2014 Estimated Production 0 0 0 10 7 7

  6. TX, RRC District 3 Onshore Dry Natural Gas Proved Reserves

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

    2,616 2,588 2,260 2,154 2,307 2,199 1977-2014 Adjustments -124 82 -95 164 49 -191 1977-2014 Revision Increases 490 482 375 604 547 370 1977-2014 Revision Decreases 369 319 252 631 284 264 1977-2014 Sales 174 184 274 214 103 142 2000-2014 Acquisitions 190 199 204 182 130 171 2000-2014 Extensions 288 175 104 121 119 222 1977-2014 New Field Discoveries 61 20 16 10 3 27 1977-2014 New Reservoir Discoveries in Old Fields 11 25 3 8 9 20 1977-2014 Estimated Production 509 508 409 350 317 321

  7. TX, RRC District 3 Onshore Lease Condensate Proved Reserves, Reserve

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

    Changes, and Production 75 76 81 63 67 1979-2014 Adjustments 3 -2 3 13 -8 1 2009-2014 Revision Increases 20 19 18 20 12 9 2009-2014 Revision Decreases 10 16 9 16 17 8 2009-2014 Sales 1 4 11 8 2 3 2009-2014 Acquisitions 1 12 10 4 4 7 2009-2014 Extensions 10 10 6 6 3 4 2009-2014 New Field Discoveries 3 1 0 0 0 1 2009-2014 New Reservoir Discoveries in Old Fields 0 1 0 0 1 3 2009-2014 Estimated Production 17 20 16 14 11 10

  8. TX, RRC District 3 Onshore Proved Nonproducing Reserves

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

    26 37 19 118 163 189 1996-2014 Lease Condensate (million bbls) 14 15 14 25 13 19 1998-2014 Total Gas (billion cu ft) 798 879 714 671 735 709 1996-2014 Nonassociated Gas (billion cu ft) 685 739 627 556 502 527 1996-2014 Associated Gas (billion cu ft) 113 140 87 115 233 182

  9. TX, RRC District 4 Onshore Coalbed Methane Proved Reserves, Reserves

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

    Changes, and Production 1 1 1 2005-2014 Adjustments 0 0 0 1 0 0 2009-2014 Revision Increases 0 0 0 0 0 0 2009-2014 Revision Decreases 0 0 0 0 0 0 2009-2014 Sales 0 0 0 0 0 0 2009-2014 Acquisitions 0 0 0 0 0 0 2009-2014 Extensions 0 0 0 0 0 0 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 0 0 2009-2014 Estimated Production 0 0 0 0 0 0

  10. TX, RRC District 4 Onshore Dry Natural Gas Proved Reserves

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

    6,728 7,014 9,458 8,743 9,640 11,057 1977-2014 Adjustments -127 3 358 635 225 82 1977-2014 Revision Increases 774 1,084 2,271 965 905 1,496 1977-2014 Revision Decreases 1,419 850 1,087 2,072 1,491 786 1977-2014 Sales 260 208 939 550 424 505 2000-2014 Acquisitions 309 180 1,245 65 523 1,148 2000-2014 Extensions 506 943 1,452 1,162 1,977 843 1977-2014 New Field Discoveries 45 24 7 1 0 2 1977-2014 New Reservoir Discoveries in Old Fields 309 3 23 5 1 19 1977-2014 Estimated Production 1,013 893 886

  11. TX, RRC District 4 Onshore Lease Condensate Proved Reserves, Reserve

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

    Changes, and Production 96 202 181 228 223 1979-2014 Adjustments -2 -1 4 28 83 -16 2009-2014 Revision Increases 15 12 47 17 23 16 2009-2014 Revision Decreases 16 14 35 100 74 24 2009-2014 Sales 5 2 10 3 8 4 2009-2014 Acquisitions 3 2 20 2 5 18 2009-2014 Extensions 7 37 94 53 38 26 2009-2014 New Field Discoveries 3 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 1 0 1 0 0 0 2009-2014 Estimated Production 11 12 15 18 20 21

  12. TX, RRC District 4 Onshore Proved Nonproducing Reserves

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

    80 3 1 7 6 1996-2014 Lease Condensate (million bbls) 23 43 83 90 132 115 1998-2014 Total Gas (billion cu ft) 2,663 3,171 4,489 4,755 5,850 6,564 1996-2014 Nonassociated Gas (billion cu ft) 2,644 3,147 4,475 4,741 5,831 6,501 1996-2014 Associated Gas (billion cu ft) 19 24 14 14 19 63

  13. TX, RRC District 5 Dry Natural Gas Proved Reserves

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

    22,343 24,363 27,843 17,331 19,280 17,880 1977-2014 Adjustments 96 27 674 -1,078 269 -119 1977-2014 Revision Increases 1,904 1,577 3,693 336 3,338 740 1977-2014 Revision Decreases 1,458 1,274 2,157 8,168 769 1,417 1977-2014 Sales 31 1 10,556 529 93 614 2000-2014 Acquisitions 277 5 10,694 289 574 1,229 2000-2014 Extensions 2,992 3,457 3,034 387 188 193 1977-2014 New Field Discoveries 0 0 2 0 0 0 1977-2014 New Reservoir Discoveries in Old Fields 0 0 0 3 24 0 1977-2014 Estimated Production 1,718

  14. TX, RRC District 6 Dry Natural Gas Proved Reserves

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

    12,795 14,886 15,480 11,340 11,655 11,516 1977-2014 Adjustments 423 403 296 -1,010 128 -272 1977-2014 Revision Increases 1,820 2,660 4,894 2,108 2,089 1,979 1977-2014 Revision Decreases 2,225 2,680 5,464 5,203 1,404 1,178 1977-2014 Sales 358 505 3,938 290 429 842 2000-2014 Acquisitions 243 955 3,944 393 572 614 2000-2014 Extensions 1,671 2,173 1,670 979 409 562 1977-2014 New Field Discoveries 0 51 3 0 0 0 1977-2014 New Reservoir Discoveries in Old Fields 41 51 268 7 7 0 1977-2014 Estimated

  15. TX, RRC District 7B Dry Natural Gas Proved Reserves

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

    2,077 2,242 3,305 2,943 2,787 2,290 1977-2014 Adjustments 63 68 -65 666 -162 -170 1977-2014 Revision Increases 144 260 387 41 405 203 1977-2014 Revision Decreases 193 231 344 983 223 355 1977-2014 Sales 494 3 683 142 18 2 2000-2014 Acquisitions 27 0 1,855 116 15 0 2000-2014 Extensions 319 220 109 205 2 8 1977-2014 New Field Discoveries 0 0 0 0 0 0 1977-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 53 0 1977-2014 Estimated Production 171 149 196 265 228 181

  16. TX, RRC District 7B Proved Nonproducing Reserves

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

    8 8 13 19 12 16 1996-2014 Lease Condensate (million bbls) 0 1 0 0 0 0 1998-2014 Total Gas (billion cu ft) 737 897 890 857 629 464 1996-2014 Nonassociated Gas (billion cu ft) 714 890 878 840 617 407 1996-2014 Associated Gas (billion cu ft) 23 7 12 17 12 5

  17. TX, RRC District 7C Dry Natural Gas Proved Reserves

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

    4,827 4,787 4,475 4,890 4,800 6,422 1977-2014 Adjustments 29 68 -311 639 -236 764 1977-2014 Revision Increases 355 535 684 421 693 1,343 1977-2014 Revision Decreases 447 710 708 1,113 889 1,177 1977-2014 Sales 90 575 260 84 129 636 2000-2014 Acquisitions 97 451 271 106 127 886 2000-2014 Extensions 263 496 305 708 568 865 1977-2014 New Field Discoveries 0 0 0 1 0 0 1977-2014 New Reservoir Discoveries in Old Fields 2 10 0 46 104 1 1977-2014 Estimated Production 328 315 293 309 328 424

  18. TX, RRC District 7C Proved Nonproducing Reserves

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

    221 286 301 438 400 642 1996-2014 Lease Condensate (million bbls) 10 13 4 14 3 5 1998-2014 Total Gas (billion cu ft) 1,619 1,659 1,551 1,844 1,540 2,305 1996-2014 Nonassociated Gas (billion cu ft) 875 789 447 387 157 318 1996-2014 Associated Gas (billion cu ft) 744 870 1,104 1,457 1,383 1,98

  19. TX, RRC District 8 Dry Natural Gas Proved Reserves

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

    6,672 7,206 7,039 7,738 8,629 9,742 1977-2014 Adjustments 233 304 -703 395 243 -395 1977-2014 Revision Increases 828 1,082 1,056 1,115 1,154 2,164 1977-2014 Revision Decreases 1,375 1,268 1,028 1,549 1,060 1,388 1977-2014 Sales 260 363 185 385 608 734 2000-2014 Acquisitions 194 758 482 656 575 771 2000-2014 Extensions 747 568 676 1,023 1,223 1,429 1977-2014 New Field Discoveries 1 0 4 7 0 1 1977-2014 New Reservoir Discoveries in Old Fields 25 2 1 1 26 32 1977-2014 Estimated Production 545 549

  20. TX, RRC District 8A Dry Natural Gas Proved Reserves

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

    1,218 1,164 1,226 1,214 1,269 1,257 1977-2014 Adjustments 87 -40 -30 -2 16 4 1977-2014 Revision Increases 161 138 195 107 168 137 1977-2014 Revision Decreases 111 63 36 36 59 59 1977-2014 Sales 8 14 25 29 36 5 2000-2014 Acquisitions 17 4 41 27 42 6 2000-2014 Extensions 8 14 10 16 23 8 1977-2014 New Field Discoveries 0 0 0 1 0 0 1977-2014 New Reservoir Discoveries in Old Fields 0 0 1 1 0 0 1977-2014 Estimated Production 108 93 94 97 99 103

  1. TX, RRC District 8A Proved Nonproducing Reserves

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

    413 418 419 433 367 361 1996-2014 Lease Condensate (million bbls) 6 11 5 6 0 0 1998-2014 Total Gas (billion cu ft) 376 369 360 336 309 258 1996-2014 Nonassociated Gas (billion cu ft) 2 1 1 1 1 1 1996-2014 Associated Gas (billion cu ft) 374 368 359 335 308 25

  2. TX, RRC District 9 Dry Natural Gas Proved Reserves

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

    10,904 12,464 10,115 8,894 9,195 8,791 1977-2014 Adjustments 18 336 -110 -725 378 248 1977-2014 Revision Increases 610 1,070 2,850 212 1,087 793 1977-2014 Revision Decreases 503 221 5,564 1,048 636 1,036 1977-2014 Sales 71 92 1,204 353 583 139 2000-2014 Acquisitions 86 46 1,432 281 18 0 2000-2014 Extensions 2,400 1,147 850 977 396 346 1977-2014 New Field Discoveries 0 0 10 0 0 0 1977-2014 New Reservoir Discoveries in Old Fields 14 7 0 46 244 0 1977-2014 Estimated Production 687 733 613 611 603

  3. TX, State Offshore Crude Oil plus Lease Condensate Proved Reserves

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

    4 4 3 3 2 2 2009-2014 Adjustments -2 0 -2 1 -1 1 2009-2014 Revision Increases 1 0 3 0 0 1 2009-2014 Revision Decreases 0 0 2 1 0 2 2009-2014 Sales 0 0 0 0 0 0 2009-2014 Acquisitions 0 1 0 0 0 0 2009-2014 Extensions 0 0 0 0 0 0 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 0 0 2009-2014 Estimated Production 1 1 0 0 0

  4. TX, State Offshore Dry Natural Gas Proved Reserves

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

    64 131 118 94 59 42 1981-2014 Adjustments -29 11 -25 16 -13 -3 1981-2014 Revision Increases 29 20 75 16 9 18 1981-2014 Revision Decreases 22 56 66 11 19 22 1981-2014 Sales 3 20 2 23 6 0 2000-2014 Acquisitions 0 39 26 0 0 0 2000-2014 Extensions 0 0 0 0 0 0 1981-2014 New Field Discoveries 0 0 0 0 0 0 1981-2014 New Reservoir Discoveries in Old Fields 10 0 0 0 8 0 1981-2014 Estimated Production 40 27 21 22 14 10 1981

  5. TX, State Offshore Shale Gas Proved Reserves, Reserves Changes, and

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

    Production 2007 2008 2009 2010 View History Proved Reserves as of Dec. 31 0 0 0 0 2007-2010 Adjustments 0 0 2009-2010 Revision Increases 0 0 2009-2010 Revision Decreases 0 0 2009-2010 Sales 0 0 2009-2010 Acquisitions 0 0 2009-2010 Extensions 0 0 2009-2010 New Field Discoveries 0 0 2009-2010 New Reservoir Discoveries in Old Fields 0 0 2009-2010 Estimated Production 0 0 0 0 2007-2010

  6. RAPID/Roadmap/14-TX-b | Open Energy Information

    Open Energy Info (EERE)

    Wyoming. On October 9, 2015, the U.S. Court of Appeals for the Sixth Circuit issued a stay halting implementation of the new rule nationwide pending its own determination of its...

  7. TX, RRC District 3 Onshore Coalbed Methane Proved Reserves, Reserves...

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

    71 47 2005-2013 Adjustments 0 0 0 81 -17 2009-2013 Revision Increases 0 0 0 0 0 2009-2013 Revision Decreases 0 0 0 0 0 2009-2013 Sales 0 0 0 0 0 2009-2013 Acquisitions 0 0 0 0 0...

  8. TX, RRC District 10 Coalbed Methane Proved Reserves, Reserves...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    8 7 2005-2013 Adjustments 0 0 0 9 0 2009-2013 Revision Increases 0 0 0 0 0 2009-2013 Revision Decreases 0 0 0 0 0 2009-2013 Sales 0 0 0 0 0 2009-2013 Acquisitions 0 0 0 0 0...

  9. TX, RRC District 4 Onshore Coalbed Methane Proved Reserves, Reserves...

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

    1 1 2005-2013 Adjustments 0 0 0 1 0 2009-2013 Revision Increases 0 0 0 0 0 2009-2013 Revision Decreases 0 0 0 0 0 2009-2013 Sales 0 0 0 0 0 2009-2013 Acquisitions 0 0 0 0 0...

  10. TX, RRC District 2 Onshore Coalbed Methane Proved Reserves, Reserves...

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

    1 2 2005-2013 Adjustments 0 0 0 1 1 2009-2013 Revision Increases 0 0 0 0 0 2009-2013 Revision Decreases 0 0 0 0 0 2009-2013 Sales 0 0 0 0 0 2009-2013 Acquisitions 0 0 0 0 0...

  11. Rio Bravo, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    62,914 74,790 75,026 78,196 76,154 81,837 1999-2015 Pipeline Prices 4.42 4.14 2.94 3.88 4.47 2.71

  12. Rio Grande, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    2013 2014 2015 View History Pipeline Volumes 0 8,045 310,965 2013-2015 Pipeline Prices -- 4.42 2.85 2013

  13. TX, RRC District 1 Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    96 263 893 2,031 2,360 2,887 2009-2014 Adjustments -3 -20 7 -19 -60 83 2009-2014 Revision Increases 19 16 95 302 288 330 2009-2014 Revision Decreases 19 10 52 253 237 262 2009-2014 Sales 0 4 33 7 90 56 2009-2014 Acquisitions 0 9 33 6 123 86 2009-2014 Extensions 8 137 593 1,194 484 591 2009-2014 New Field Discoveries 4 54 29 19 2 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 2 8 11 18 2009-2014 Estimated Production 10 15 44 112 192 263

    398 2,399 5,910 8,868 7,784 11,945 1977-2014

  14. TX, RRC District 10 Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    523 2,599 6,127 9,141 8,118 12,431 1979-2014 Natural Gas Nonassociated, Wet After Lease Separation 1,456 2,332 5,227 6,516 4,442 7,733 1979-2014 Natural Gas Associated-Dissolved, Wet After Lease Separation 67 267 900 2,625 3,676 4,698 1979-2014 Dry Natural Gas 1,398 2,399 5,910 8,868 7,784 11,945 Lease Separation

    456 2,332 5,227 6,516 4,442 7,733 1979-2014 Adjustments 5 -95 -42 20 120 -73 1979-2014 Revision Increases 110 430 2,184 1,620 702 3,462 1979-2014 Revision Decreases 110 331 116

  15. TX, RRC District 2 Onshore Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    7,594 8,484 8,373 8,007 7,744 8,354 1979-2014 Natural Gas Nonassociated, Wet After Lease Separation 6,984 7,915 7,475 7,073 6,660 7,140 1979-2014 Natural Gas Associated-Dissolved, Wet After Lease Separation 610 569 898 934 1,084 1,214 1979-2014 Dry Natural Gas 6,882 7,663 7,513 7,253 7,034 7,454 Lease Separation

    6,984 7,915 7,475 7,073 6,660 7,140 1979-2014 Adjustments 223 -144 -5 213 23 233 1979-2014 Revision Increases 492 1,288 593 1,044 762 801 1979-2014 Revision Decreases 1,120 868

  16. TX, RRC District 3 Onshore Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    909 2,235 3,690 5,985 6,640 7,524 1979-2014 Natural Gas Nonassociated, Wet After Lease Separation 1,837 2,101 2,766 3,986 4,348 4,802 1979-2014 Natural Gas Associated-Dissolved, Wet After Lease Separation 72 134 924 1,999 2,292 2,722 1979-2014 Dry Natural Gas 1,800 2,090 3,423 5,462 5,910 6,559 After Lease Separation

    837 2,101 2,766 3,986 4,348 4,802 1979-2014 Adjustments -101 18 153 15 -39 -1 1979-2014 Revision Increases 194 321 397 212 719 454 1979-2014 Revision Decreases 364 308 572

  17. TX, RRC District 4 Onshore Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    2,802 2,774 2,490 2,429 2,592 2,483 1979-2014 Natural Gas Nonassociated, Wet After Lease Separation 2,326 2,308 2,091 1,965 1,795 1,760 1979-2014 Natural Gas Associated-Dissolved, Wet After Lease Separation 476 466 399 464 797 723 1979-2014 Dry Natural Gas 2,616 2,588 2,260 2,154 2,307 2,19 After Lease Separation

    2,326 2,308 2,091 1,965 1,795 1,760 1979-2014 Adjustments -105 56 -29 164 -99 52 1979-2014 Revision Increases 456 419 355 608 335 290 1979-2014 Revision Decreases 338 288 225 655

  18. TX, RRC District 5 Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    4 22 28 65 47 62 2009-2014 Adjustments -4 1 5 1 5 4 2009-2014 Revision Increases 5 3 8 11 1 3 2009-2014 Revision Decreases 1 3 3 3 22 7 2009-2014 Sales 0 0 6 0 0 19 2009-2014 Acquisitions 0 0 6 24 0 19 2009-2014 Extensions 1 0 0 9 4 21 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 0 0 2009-2014 Estimated Production 3 3 4 5 6 6

    22,343 24,363 27,843 17,331 19,280 17,880 1977-2014 Adjustments 96 27 674 -1,078 269 -119 1977-2014 Revision

  19. TX, RRC District 6 Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    24 240 232 252 267 299 2009-2014 Adjustments 3 3 16 18 -37 19 2009-2014 Revision Increases 38 45 38 17 35 62 2009-2014 Revision Decreases 29 29 43 31 26 27 2009-2014 Sales 3 5 28 18 13 94 2009-2014 Acquisitions 4 11 21 23 26 80 2009-2014 Extensions 8 9 6 30 49 12 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 0 0 2009-2014 Estimated Production 18 18 18 19 19 20

    12,795 14,886 15,480 11,340 11,655 11,516 1977-2014 Adjustments 423 403 296

  20. TX, RRC District 7B Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    102 102 126 134 113 148 2009-2014 Adjustments 9 4 -3 5 -37 39 2009-2014 Revision Increases 7 9 16 19 24 23 2009-2014 Revision Decreases 7 3 3 5 8 17 2009-2014 Sales 0 0 2 1 0 1 2009-2014 Acquisitions 1 0 27 1 10 0 2009-2014 Extensions 1 0 0 0 1 3 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 0 0 2009-2014 Estimated Production 10 10 11 11 11 12

    2,077 2,242 3,305 2,943 2,787 2,290 1977-2014 Adjustments 63 68 -65 666 -162 -170 1977-2014

  1. TX, RRC District 7C Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    509 618 672 891 964 1,298 2009-2014 Adjustments 35 -10 8 63 -23 30 2009-2014 Revision Increases 55 69 77 66 162 363 2009-2014 Revision Decreases 25 37 118 139 271 421 2009-2014 Sales 7 56 56 13 9 14 2009-2014 Acquisitions 25 83 62 30 21 155 2009-2014 Extensions 69 88 121 254 227 309 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 6 0 8 29 0 2009-2014 Estimated Production 32 34 40 50 63 8

    4,827 4,787 4,475 4,890 4,800 6,422 1977-2014 Adjustments

  2. TX, RRC District 8 Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    985 2,254 2,709 3,304 3,356 4,142 2009-2014 Adjustments 10 -93 75 69 33 -16 2009-2014 Revision Increases 201 273 309 401 383 948 2009-2014 Revision Decreases 99 149 235 339 471 554 2009-2014 Sales 63 116 125 78 321 232 2009-2014 Acquisitions 87 315 253 242 270 302 2009-2014 Extensions 202 196 332 500 375 605 2009-2014 New Field Discoveries 0 0 2 3 0 0 2009-2014 New Reservoir Discoveries in Old Fields 4 1 0 2 11 16 2009-2014 Estimated Production 121 158 156 205 228 283

    6,672 7,206 7,039 7,738

  3. TX, RRC District 8A Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    790 1,822 1,800 1,758 1,736 1,668 2009-2014 Adjustments 19 21 13 10 27 37 2009-2014 Revision Increases 172 181 115 103 97 78 2009-2014 Revision Decreases 15 66 90 66 54 63 2009-2014 Sales 8 23 70 60 57 36 2009-2014 Acquisitions 24 12 102 49 51 17 2009-2014 Extensions 4 15 14 17 21 7 2009-2014 New Field Discoveries 1 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 1 13 0 0 2009-2014 Estimated Production 111 108 107 108 107 108

    1,218 1,164 1,226 1,214 1,269 1,257 1977-2014

  4. TX, RRC District 9 Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    49 155 181 177 195 209 2009-2014 Adjustments -24 13 -18 -7 37 20 2009-2014 Revision Increases 29 11 32 13 15 28 2009-2014 Revision Decreases 9 21 17 17 45 22 2009-2014 Sales 12 4 11 13 9 2 2009-2014 Acquisitions 22 10 22 11 15 4 2009-2014 Extensions 45 14 39 31 25 7 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 1 0 2009-2014 Estimated Production 15 17 21 22 21 21

    10,904 12,464 10,115 8,894 9,195 8,791 1977-2014 Adjustments 18 336 -110

  5. TX, State Offshore Coalbed Methane Proved Reserves, Reserves Changes, and

    Gasoline and Diesel Fuel Update (EIA)

    11,522 13,172 10,920 9,682 10,040 9,760 1979-2014 Natural Gas Nonassociated, Wet After Lease Separation 11,100 12,587 9,963 8,521 8,947 8,283 1979-2014 Natural Gas Associated-Dissolved, Wet After Lease Separation 422 585 957 1,161 1,093 1,477 1979-2014 Dry Natural Gas 10,904 12,464 10,115 8,894 9,195 8,791 Lease Separation

    11,100 12,587 9,963 8,521 8,947 8,283 1979-2014 Adjustments 98 345 211 -609 407 102 1979-2014 Revision Increases 628 932 3,016 177 1,110 774 1979-2014 Revision

  6. TX, State Offshore Natural Gas Liquids Proved Reserves

    Gasoline and Diesel Fuel Update (EIA)

    4 4 3 3 2 2 2009-2014 Adjustments -2 0 -2 1 -1 1 2009-2014 Revision Increases 1 0 3 0 0 1 2009-2014 Revision Decreases 0 0 2 1 0 2 2009-2014 Sales 0 0 0 0 0 0 2009-2014 Acquisitions 0 1 0 0 0 0 2009-2014 Extensions 0 0 0 0 0 0 2009-2014 New Field Discoveries 0 0 0 0 0 0 2009-2014 New Reservoir Discoveries in Old Fields 0 0 0 0 0 0 2009-2014 Estimated Production 1 1 0 0 0

    64 131 118 94 59 42 1981-2014 Adjustments -29 11 -25 16 -13 -3 1981-2014 Revision Increases 29 20 75 16 9 18 1981-2014

  7. Freeport, TX Liquefied Natural Gas Exports to Brazil (Million...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's 0 0 0 2010's 0 2,581 8,142 0 2,664...

  8. Freeport, TX Liquefied Natural Gas Exports Price (Dollars per Thousand

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

    Cubic Feet) Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2010's 10.31 11.16 13.45 15.51 15.7

  9. Freeport, TX Liquefied Natural Gas Exports Price (Dollars per Thousand

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

    Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2013 13.45 2014 15.51 2015 17.44 12.89 16.71 15.9

  10. RAPID/Roadmap/4-TX-a | Open Energy Information

    Open Energy Info (EERE)

    and written evidence confirming that it is not delinquent in paying its franchise taxes. The application to prospect must be accompanied by the appropriate filing fee....

  11. RAPID/Roadmap/7-TX-b | Open Energy Information

    Open Energy Info (EERE)

    defined in PUCT Substantive Rule 25.173(c) and must meet the requirements of 25.173. A power generating company may participate in the program and may generate RECs and buy or...

  12. RAPID/Roadmap/7-TX-c | Open Energy Information

    Open Energy Info (EERE)

    in this state a facility to provide retail electric utility service. If a power producer is not a "retail electric utility" then the developer is not required to obtain a...

  13. High Performance Builder Spotlight: GreenCraft, Lewisville, TX

    SciTech Connect (OSTI)

    2011-01-01

    In October and November 2009, the TimberCreek Zero Energy House in Lewisville, Texas, opened as a Building America Demonstration House. The 2,538-foot,three-bedroom, 2½-bath custom-built home showed a home energy rating score (HERS) of 56 without the solar photovoltaics and a HERS score of 1 with PV.

  14. TX, State Offshore Nonassociated Natural Gas Proved Reserves...

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

    161 128 113 88 56 42 1981-2014 Adjustments -29 -7 -24 7 -10 -2 1981-2014 Revision Increases 29 20 70 14 9 17 1981-2014 Revision Decreases 21 35 65 9 19 19 1981-2014 Sales 3 20 2 23 ...

  15. TX, State Offshore Lease Condensate Proved Reserves, Reserve...

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

    3 2 1 1 1 1 1981-2014 Adjustments -1 0 -1 0 0 1 2009-2014 Revision Increases 1 0 1 0 0 0 2009-2014 Revision Decreases 0 0 1 0 0 1 2009-2014 Sales 0 0 0 0 0 0 2009-2014 Acquisitions ...

  16. RAPID/Roadmap/1-TX-a | Open Energy Information

    Open Energy Info (EERE)

    Land use planning in Texas is delegated to municipalities. 01TXALandUsePlanning.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number...

  17. RAPID/Roadmap/19-TX-d | Open Energy Information

    Open Energy Info (EERE)

    Quality (TCEQ) handles transfers of surface water rights. 19TXDTransferOfWaterRight.pdf Error creating thumbnail: Page number not in range. Error creating thumbnail: Page number...

  18. Laredo, TX Liquefied Natural Gas Exports to Mexico (Dollars per...

    Gasoline and Diesel Fuel Update (EIA)

    to Mexico (Dollars per Thousand Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2015 16.950 - No Data Reported; -- Not Applicable; NA Not Available; W ...

  19. Laredo, TX Liquefied Natural Gas Exports Price (Dollars per Thousand...

    Gasoline and Diesel Fuel Update (EIA)

    Price (Dollars per Thousand Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2015 17 - No Data Reported; -- Not Applicable; NA Not Available; W ...

  20. Laredo, TX Liquefied Natural Gas Exports (Million Cubic Feet...

    Annual Energy Outlook [U.S. Energy Information Administration (EIA)]

    Natural Gas Exports (Million Cubic Feet) Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec 2015 1 - No Data Reported; -- Not Applicable; NA Not Available; W Withheld...

  1. RAPID/Roadmap/3-TX-b | Open Energy Information

    Open Energy Info (EERE)

    following: A diagram of the project showing all structures and dimensions; A copy of a tax statement as proof of ownership of littoral property; A vicinity map showing project...

  2. RAPID/Roadmap/3-TX-a | Open Energy Information

    Open Energy Info (EERE)

    Act Lands' are defined in the Texas Administrative Code as "any public free school or asylum lands, whether surveyed or unsurveyed, sold with a mineral classification or...

  3. Transactive Controls R&D (Tx-R&D)

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

    ... and communication technologies (ICT). - Most common signal is economics based: ... ICT & related physical hardware) that allow applications to be programmed and negotiate...

  4. RAPID/Roadmap/8-TX-f | Open Energy Information

    Open Energy Info (EERE)

    of the total load of the secondary network under consideration; The TDU may postpone processing an application for an individual distributed generation facility if the total...

  5. DOE - Office of Legacy Management -- Falls City Mill Site - TX...

    Office of Legacy Management (LM)

    Also see Falls City, Texas, Disposal Site Documents Related to Falls City Mill Site Data Validation Package for the April 2009 Groundwater Sampling at the Falls City, Texas, ...

  6. RAPID/Roadmap/3-TX-g | Open Energy Information

    Open Energy Info (EERE)

    must report on the status of the exploration, development, and production of geothermal energy and associated resources under the land governed by Tex. Nat. Rec. Code Sec. 141...

  7. Alamo, TX Natural Gas Imports by Pipeline from Mexico

    Gasoline and Diesel Fuel Update (EIA)

    Annual Download Series History Download Series History Definitions, Sources & Notes Definitions, Sources & Notes Show Data By: Data Series Area 2009 2010 2011 2012 2013 2014 View History Pipeline Volumes 13,279 4,685 0 0 0 0 1998-2014 Pipeline Prices 4.10 4.30 -- -- -- -- 1998-2014

  8. Del Rio, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    320 282 355 372 324 306 2006-2015 Pipeline Prices 5.92 5.53 4.33 4.69 5.35 3.59 200

  9. Eagle Pass, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    1,471 2,114 2,970 2,608 3,801 4,282 1996-2015 Pipeline Prices 5.13 4.57 3.41 4.37 5.18 3.78

  10. El Paso, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    Administration (EIA) definitions English FranÇais Español A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Browse terms related to these categories: border crossing electricity border crossing gas border crossing liquid liquefied natural gas terminals natural gas processing plants power plants refineries See index of all terms A

    Referencia cruzada de definición English FranÇais Español A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Explorar los términos relacionados con las

  11. El Paso, TX Natural Gas Imports by Pipeline from Mexico

    Gasoline and Diesel Fuel Update (EIA)

    Annual Download Series History Download Series History Definitions, Sources & Notes Definitions, Sources & Notes Show Data By: Data Series Area 1998 1999 2000 2001 2002 View History Pipeline Volumes 996 NA NA NA NA 1998-2002 Pipeline Prices 2.09 1998-1998

  12. Galvan Ranch, TX Natural Gas Imports by Pipeline from Mexico

    Gasoline and Diesel Fuel Update (EIA)

    225 501 314 1,046 1,426 933 2007-2015 Pipeline Prices 3.52 3.12 1.87 2.66 3.45 1.71 2007

  13. McAllen, TX Natural Gas Exports to Mexico

    Gasoline and Diesel Fuel Update (EIA)

    0,627 56,569 68,425 78,000 79,396 61,402 1998-2015 Pipeline Prices 4.52 4.19 2.95 3.84 4.62 2.85 1998

  14. Penitas, TX Natural Gas Imports by Pipeline from Mexico

    Gasoline and Diesel Fuel Update (EIA)

    Annual Download Series History Download Series History Definitions, Sources & Notes Definitions, Sources & Notes Show Data By: Data Series Area 1996 1998 1999 2000 2001 2002 View History Pipeline Volumes 253 40 NA NA NA NA 1996-2002 Pipeline Prices 1.72 2.04 1996-1998

  15. RAPID/Roadmap/14-TX-a | Open Energy Information

    Open Energy Info (EERE)

    specifically CWA 319(b). The Management Program outlines Texas' comprehensive strategy to protect and restore water quality impacted by nonpoint sources of pollution....

  16. RAPID/Roadmap/3-TX-f | Open Energy Information

    Open Energy Info (EERE)

    address of the surface owner of record in the tax assessor's office; The name, address, phone number, and taxpayer ID number of a non-corporate applicant; The corporate name,...

  17. RAPID/Roadmap/3-TX-d | Open Energy Information

    Open Energy Info (EERE)

    in the section, and county or counties in which the land lies; The name, address, phone number, and taxpayer ID number of a non-corporate applicant; The corporate name,...

  18. RAPID/Roadmap/19-TX-c | Open Energy Information

    Open Energy Info (EERE)

    post-office address of the applicant; Identify the source of water supply; State the nature and purposes of the proposed use or uses and the amount of water to be used for each...

  19. RAPID/Roadmap/7-TX-a | Open Energy Information

    Open Energy Info (EERE)

    is intended to be sold at wholesale, including the owner or operator of electric energy storage equipment or facilities to which the Public Utility Regulatory Act applies; Does...

  20. Price Liquefied Freeport, TX Natural Gas Exports to India (Dollars...

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

    Decade Year-0 Year-1 Year-2 Year-3 Year-4 Year-5 Year-6 Year-7 Year-8 Year-9 2000's -- -- -- 2010's 7.56 8.66 11.10 -- --

  1. TX, State Offshore Shale Gas Proved Reserves, Reserves Changes...

    Gasoline and Diesel Fuel Update (EIA)

    2007 2008 2009 2010 View History Proved Reserves as of Dec. 31 0 0 0 0 2007-2010 Adjustments 0 0 2009-2010 Revision Increases 0 0 2009-2010 Revision Decreases 0 0 2009-2010 Sales...

  2. TX, RRC District 5 Shale Gas Proved Reserves, Reserves Changes...

    Gasoline and Diesel Fuel Update (EIA)

    13,691 16,032 19,747 11,513 13,592 2007-2013 Adjustments 657 105 233 -516 -70 2009-2013 Revision Increases 928 643 3,094 30 2,922 2009-2013 Revision Decreases 587 405 1,405 6,895...

  3. TX, RRC District 8 Shale Gas Proved Reserves, Reserves Changes...

    Gasoline and Diesel Fuel Update (EIA)

    48 24 90 61 583 649 2007-2013 Adjustments -1 53 -79 249 -21 2009-2013 Revision Increases 2 20 45 19 121 2009-2013 Revision Decreases 22 0 12 47 112 2009-2013 Sales 0 0 0 19 50...

  4. TX, RRC District 1 Shale Gas Proved Reserves, Reserves Changes...

    Gasoline and Diesel Fuel Update (EIA)

    2 435 1,564 5,123 8,340 7,357 2007-2013 Adjustments 5 8 0 47 315 2009-2013 Revision Increases 1 322 2,141 1,852 1,083 2009-2013 Revision Decreases 0 251 48 1,272 2,818 2009-2013...

  5. TX, RRC District 6 Shale Gas Proved Reserves, Reserves Changes...

    Gasoline and Diesel Fuel Update (EIA)

    73 1,161 4,381 6,584 4,172 4,633 2007-2013 Adjustments 40 1,968 26 -225 564 2009-2013 Revision Increases 422 1,206 2,322 999 513 2009-2013 Revision Decreases 8 1,319 1,860 2,907...

  6. TX, RRC District 3 Onshore Shale Gas Proved Reserves, Reserves...

    Gasoline and Diesel Fuel Update (EIA)

    0 0 1 6 24 2007-2013 Adjustments 0 0 1 1 -3 2009-2013 Revision Increases 0 0 0 1 2 2009-2013 Revision Decreases 0 0 0 0 0 2009-2013 Sales 0 0 0 0 4 2009-2013 Acquisitions 0 0 0 2 0...

  7. TX, RRC District 4 Onshore Shale Gas Proved Reserves, Reserves...

    Gasoline and Diesel Fuel Update (EIA)

    78 565 2,611 3,091 4,377 2007-2013 Adjustments 53 0 185 300 592 2009-2013 Revision Increases 0 66 792 253 174 2009-2013 Revision Decreases 0 12 295 1,160 819 2009-2013 Sales 0 0 75...

  8. TX, RRC District 9 Shale Gas Proved Reserves, Reserves Changes...

    Gasoline and Diesel Fuel Update (EIA)

    10,756 12,573 10,276 9,260 9,580 2007-2013 Adjustments 179 533 42 -483 378 2009-2013 Revision Increases 580 1,044 3,005 200 1,092 2009-2013 Revision Decreases 469 191 5,864...

  9. TX, RRC District 2 Onshore Shale Gas Proved Reserves, Reserves...

    Gasoline and Diesel Fuel Update (EIA)

    2010 2011 2012 2013 View History Proved Reserves as of Dec. 31 395 1,692 4,743 5,595 2010-2013 Adjustments 6 237 494 40 2010-2013 Revision Increases 6 388 326 839 2010-2013...

  10. TX, RRC District 10 Shale Gas Proved Reserves, Reserves Changes...

    Gasoline and Diesel Fuel Update (EIA)

    0 0 0 0 37 37 2007-2013 Adjustments 0 0 -1 11 6 2009-2013 Revision Increases 0 0 0 31 0 2009-2013 Revision Decreases 0 0 0 0 0 2009-2013 Sales 0 0 0 0 1 2009-2013 Acquisitions 0 0...

  11. RAPID/Roadmap/8-TX-a | Open Energy Information

    Open Energy Info (EERE)

    a Certificate of Convenience and Necessity (CCN). However, minor modifications and maintenance to an existing transmission system may not need a CCN. 08TXATransmissionSiting.pdf...

  12. RAPID/Roadmap/8-TX-b | Open Energy Information

    Open Energy Info (EERE)

    This flowchart illustrates the procedures for interconnection with Electricity Reliability Council of Texas (ERCOT) in Texas. According to PUCT Substantive Rule 25.198, the...

  13. RAPID/Roadmap/3-TX-c | Open Energy Information

    Open Energy Info (EERE)

    c < RAPID | Roadmap Jump to: navigation, search RAPID Regulatory and Permitting Information Desktop Toolkit BETA About Bulk Transmission Geothermal Hydropower Solar Tools...

  14. ,"TX, RRC District 10 Lease Condensate Proved Reserves, Reserve...

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

    Lease Condensate Proved Reserves, Reserve Changes, and Production" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Late...

  15. ,"TX, RRC District 10 Crude Oil plus Lease Condensate Proved...

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

    Crude Oil plus Lease Condensate Proved Reserves" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Latest Data for"...

  16. ,"TX, RRC District 1 Lease Condensate Proved Reserves, Reserve...

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

    Lease Condensate Proved Reserves, Reserve Changes, and Production" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Late...

  17. ,"TX, RRC District 5 Lease Condensate Proved Reserves, Reserve...

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

    Lease Condensate Proved Reserves, Reserve Changes, and Production" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Late...

  18. ,"TX, RRC District 3 Onshore Lease Condensate Proved Reserves...

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

    Lease Condensate Proved Reserves, Reserve Changes, and Production" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Late...

  19. ,"TX, RRC District 8A Lease Condensate Proved Reserves, Reserve...

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

    Lease Condensate Proved Reserves, Reserve Changes, and Production" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Late...

  20. ,"TX, RRC District 4 Onshore Crude Oil plus Lease Condensate...

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

    Crude Oil plus Lease Condensate Proved Reserves" ,"Click worksheet name or tab at bottom for data" ,"Worksheet Name","Description"," Of Series","Frequency","Latest Data for"...