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Aerial thermography studies of power plant heated lakes

Description: Remote sensing temperature measurements of water bodies is complicated by the temperature differences between the true surface or skin water and the bulk water below. Weather conditions control the reduction of the skin temperature relative to the bulk water temperature. Typical skin temperature depressions range from a few tenths of a degree Celsius to more than one degree. In this research project, the Savannah River Technology Center (SRTC) used aerial thermography and surface-based meteorol… more
Date: January 26, 2000
Creator: Villa-Aleman, E.
Item Type: Refine your search to only Article
open access

The B {r{underscore}arrow} D*{ell}{nu} form factor at zero recoil

Description: The authors describe a model independent lattice QCD method for determining the deviation from unity for h{sub A{sub 1}}, the B {r{underscore}arrow} D*{ell}{nu} form factor at zero recoil. They extend the double ratio method previously used to determine the B {r{underscore}arrow} D{ell}{nu} form factor. The bulk of statistical and systematic errors cancel in the double ratios they consider, yielding form factors which promise to reduce present theoretical uncertainties in the determination of {… more
Date: January 26, 2000
Creator: Simone, J. N.; Hashimoto, S.; El-Khadra, A. X.; Kronfeld, A. S.; Mackenzie, P. B. & Ryan, S. M.
Item Type: Refine your search to only Article
open access

C-106 High-Level Waste Solids: Washing/Leaching and Solubility Versus Temperature Studies

Description: This report describes the results of a test conducted by Battelle to assess the effects of inhibited water washing and caustic leaching on the composition of the Hanford tank C-106 high-level waste (HLW) solids. The objective of this work was to determine the composition of the C-106 solids remaining after washing with 0.01M NaOH or leaching with 3M NaOH. Another objective of this test was to determine the solubility of various C-106 components as a function of temperature. The work was conduct… more
Date: January 26, 2000
Creator: Lumetta, G. J.; Bates, D. J.; Berry, P. K.; Bramson, J. P.; Darnell, L. P.; Farmer, O. T., III et al.
Item Type: Refine your search to only Report
open access

Characterization of and waste acceptance radionuclide to be reported for the 2nd macro-batch of high-level waste sludge being vitrified in the DWPF melter

Description: The Defense Waste Processing Facility (DWPF), at the Savannah River Site (SRS), is currently processing the second million gallon batch (Macro-Batch 2) of radioactive sludge slurry into a durable borosilicate glass for permanent geological disposal. To meet the reporting requirements as specified in the Department of Energy's Waste Acceptance Product Specifications (WAPS), for the final glass product, the nonradioactive and radioactive compositions must be provided for a Macro-Batch of material… more
Date: January 26, 2000
Creator: Fellinger, T. L.
Item Type: Refine your search to only Article
open access

Characterization of melt-infiltrated SiC/SiC composite combustor liners using meso- and micro-NDE techniques

Description: Melt-infiltrated ceramic matrix composite SiC/SiC material systems are under development for use in combustor liners for low-emission advanced gas turbines. Uncertainty in repeatability of processing methods for these large components (33--76 cm diameter), and hence possible reduced reliability for the end user. This requires that appropriate test methods, at both meso- and micro-scale, be used to ensure that the liners are acceptable for use. Nondestructive evaluation (NDE) methods, if demonst… more
Date: January 26, 2000
Creator: Ellingson, W. A.; Sun, J. G.; More, K. L. & Hines, R.
Item Type: Refine your search to only Article
open access

Chemical Vapor Deposition of Fluoroalkylsilane Monolayer Films for Adhesion Control in Microelectromechanical Systems

Description: We have developed a new process for applying a hydrophobic, low adhesion energy coating to microelectromechanical (MEMS) devices. Monolayer films are synthesized from tridecafluoro-1,1,2,2-tetrahydrooctyltrichlorosilane (FOTS) and water vapor in a low-pressure chemical vapor deposition process at room temperature. Film thickness is self-limiting by virtue of the inability of precursors to stick to the fluorocarbon surface of the film once it has formed. We have measured film densities of {appro… more
Date: January 26, 2000
Creator: MAYER,THOMAS M.; DE BOER,MAARTEN P.; SHINN,NEAL D.; CLEWS,PEGGY J. & MICHALSKE,TERRY A.
Item Type: Refine your search to only Article
open access

Correction of high gradient quadrupole harmonics with magnetic shims

Description: Superconducting quadrupole magnets with 70 mm aperture and nominal field gradient of 215 T/m are being developed by the US-LHC Accelerator Project for the Interaction Regions of the Large Hadron Collider. Due to large beam size and orbit displacement in the final focusing triplet, these magnets are subject to stringent field quality requirements. For this reason, a correction scheme based on magnetic shims was investigated. This paper reports design calculations, fabrication issues and tests re… more
Date: January 26, 2000
Creator: Sabbi, G.
Item Type: Refine your search to only Article
open access

Coupling Automated Electron Backscatter Diffraction with Transmission Electron and Atomic Force Microscopies

Description: Grain boundary network engineering is an emerging field that encompasses the concept that modifications to conventional thermomechanical processing can result in improved properties through the disruption of the random grain boundary network. Various researchers have reported a correlation between the grain boundary character distribution (defined as the fractions of special and random grain boundaries) and dramatic improvements in properties such as corrosion and stress corrosion cracking, cre… more
Date: January 26, 2000
Creator: Schwartz, A.J.; Kumar, M.; Bedrossian, P.J. & King, W.E.
Item Type: Refine your search to only Article
open access

Defense Inventory: Opportunities Exist to Expand the Use of Defense Logistics Agency Best Practices

Description: A letter report issued by the General Accounting Office with an abstract that begins "Pursuant to a legislative requirement, GAO evaluated the extent to which the Defense Logistics Agency (DLA) has implemented commercial inventory practice initiatives contained in a schedule submitted to Congress, focusing on: (1) DLA's progress in implementing the initiatives; and (2) opportunities to build on and expand existing efforts."
Date: January 26, 2000
Creator: United States. General Accounting Office.
Item Type: Refine your search to only Report
open access

Desorption Kinetics of H2O from Cab-O-Sil-M-7D and Hi-Sil-233 Silica Particles

Description: Temperature programmed desorption (TPD) was performed at temperatures up to 850K on Cab-O-Sil-M-7D and Hi-Sil-233 silica particles. Physisorbed water molecules on both types of silica had activation energies in the range of 9-14.5 kcal/mol. However, the activation energies of desorption for chemisorbed water varied from {approx} 19 kcal/mol to > 59 kcal/mol for Cab-O-Sil-M-7D, and {approx} 23-37 kcal/mol for Hi-Sil-233. Our results suggest that physisorbed water can be effectively pumped awa… more
Date: January 26, 2000
Creator: Dinh, L.; Balooch, M. & LeMay, J.D.
Item Type: Refine your search to only Report
open access

Development and testing of insulated drillpipe

Description: The Geothermal Research Department at Sandia National Laboratories, in collaboration with Drill Cool Systems, Inc., has worked to develop and test insulated drillpipe (IDP). IDP will allow much cooler drilling fluid to reach the bottom of the hole, making possible the use of downhole motors, electronics, and steering tools that are now unusable in high-temperature formations. Other advantages of cooler fluid include reduced degradation of drilling fluid, longer bit life, and reduced corrosion r… more
Date: January 26, 2000
Creator: FINGER,JOHN T.; JACOBSON,RONALD D. & CHAMPNESS,A.T.
Item Type: Refine your search to only Article
open access

Diagnostics-while drilling: Reducing the cost of geothermal-produced electricity

Description: The goal of this document is to estimate the potential impact of proposed new Diagnostics-While-Drilling technology on the cost of electricity (COE) produced with geothermal energy. A cost model that predicts the COE was developed and exercised over the range of conditions found for geothermal plants in flashed-steam, binary, and enhanced-reservoir (e.g., Hot Dry Rock) applications. The calculations were repeated assuming that DWD technology is available to reduce well costs and improve well pr… more
Date: January 26, 2000
Creator: PRAIRIE,MICHAEL R. & GLOWKA,DAVID A.
Item Type: Refine your search to only Article
open access

Dynamics of Crust Dissolution and Gas Release in Tank 241-SY-101

Description: Due primarily to an increase in floating crust layer thickness, the waste level in Hanford Tank 241-SY-101 (SY-101) has grown appreciably, and the flammable gas volume stored in the crust has become a potential hazard. To remediate gas retention in the crust and the potential for buoyant displacement gas releases from the nonconnective layer at the bottom of the tank, SY-101 will be diluted to dissolve a large fraction of the solids that allow the waste to retain gas. In this work we develop un… more
Date: January 26, 2000
Creator: Rassat, S. D.; Stewart, C. W.; Wells, B. E.; Kuhn, W. L.; Antoniak, Z. I.; Cuta, J. M. et al.
Item Type: Refine your search to only Report
open access

The effect of adding crystalline silicotitanate on the durability, liquidus, and viscosity of simulated high-level waste glasses at Savannah River Site

Description: This report provides a summary of the results obtained for a limited variability study for glasses containing Crystalline Silicotitanate (CST), Monosodium Titanate (MST), and either simulated Purex or HM sludge. Twenty-two glasses containing Purex sludge and three glasses containing HM sludge were fabricated and tested. The fabricated glasses were tested for durability using the 7-day Product Consistency Test (PCT) and characterized by measuring the viscosity at 1,150 C and by determining an ap… more
Date: January 26, 2000
Creator: Harbour, J.R.
Item Type: Refine your search to only Article
open access

Effect of defects on the critical points in YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}}

Description: The upper and lower critical points are investigated in untwinned YBa{sub 2}Cu{sub 3}O{sub 7{minus}{delta}} single crystals with dilute columnar defects. Dilute columnar defects raise the upper critical point, indicating that the transition near the upper critical point is a vortex entanglement transition. The lower critical point is very sensitive to columnar defect disorder and its position can be described by a Lindemann-like criterion similar to that for melting. Dilute columnar defects ind… more
Date: January 26, 2000
Creator: Kwok, W. K.; Olsson, R. J.; Karapetrov, G.; Paulis, L. M.; Moulton, W. G.; Hofman, D. J. et al.
Item Type: Refine your search to only Article
open access

Energy Matters - January/February 2000

Description: Energy Matters is an Office of Industrial Technologies bimonthly publication on energy efficiency opportunities. This issue's focus is on reliability-centered maintenance along with articles on optimizing industrial process heating and discussion on an international motor systems management tool.
Date: January 26, 2000
Creator: Ericksen, E.
Item Type: Refine your search to only Book
open access

Engineering-Economic Analyses of Automotive Fuel Economy Potential in the United States

Description: Over the past 25 years more than 20 major studies have examined the technological potential to improve the fuel economy of passenger cars and light trucks in the US. The majority has used technology/cost analysis, a combination of analytical methods from the disciplines of economics and automotive engineering. In this paper they describe the key elements of this methodology, discuss critical issues responsible for the often widely divergent estimates produced by different studies, review the hi… more
Date: January 26, 2000
Creator: Greene, D. L.
Item Type: Refine your search to only Report
open access

Field verification program for small wind turbines. Quarterly report for the period October - December 1999

Description: Windward Engineering has a Cooperative Agreement with the Department of Energy to install two Whisper 900 wind turbines, one at the NREL National Wind Technology Center and one at a test site near Spanish Fork Utah. The authors monitor the turbine in Spanish Fork for approximately three years and report energy production availability, and general operating experience. In addition, they created a computer model to predict the furling behavior of the Whisper 900. They compare the predictions with… more
Date: January 26, 2000
Creator: Hansen, A. Craig & Davis, Dean A.
Item Type: Refine your search to only Report
open access

Foam testing of an alternative antifoam agent for the processing of radioactive sludge in the Defense Waste Processing Facility

Description: The Defense Waste Processing Facility (DWPF) at the Savannah River Site is responsible for immobilizing high level radioactive waste (HLW) as glass-filled steel canisters for permanent storage. In the DWPF facility, the HLW sludge undergoes chemical treatment to prepare it for vitrification in a melter. The generation of stable foams is possible during treatment. The current DWPF antifoam is ineffective in preventing and minimizing the formation of foam. The adverse consequences of excess foam … more
Date: January 26, 2000
Creator: Koopman, D. C.
Item Type: Refine your search to only Article
open access

High Energy Physics Division semiannual report of research activities, January 1, 1999--June 30, 1999.

Description: In the period January--June 1999 accomplishments for the ANL-HEP division medium energy physics project consisted of the completion of two papers on past Saclay experiments, the beginning of analysis of recent data from the Crystal Ball measurements at the Brookhaven AGS, and preparations for a RHIC polarimeter. Two papers on Saclay pp elastic scattering data were completed by an ANL physicist, submitted and accepted in Physical Review. Results for the spin observable P - A{sub oono} = A{sub oo… more
Date: January 26, 2000
Creator: Spinka, H.; Nodulman, L.; Goodman, M. C.; Repond, J.; Proudfoot, J.; Underwood, D. et al.
Item Type: Refine your search to only Report
open access

Implementing the Corrective Action Management Unit at Sandia National Laboratories, New Mexico

Description: In September 1997, following significant public and regulator interaction, Sandia Corporation (Sandia) was granted a Resource Conservation and Recovery Act (RCRA) and Hazardous Solid Waste Amendment (HSWA) permit modification allowing construction and operation of a Correction Action Management Unit (CAMU). The CAMU follows recent regulatory guidance that allows for cost-effective, expedient cleanup of contaminated sites and management of hazardous remediation wastes. The CAMU was designed to s… more
Date: January 26, 2000
Creator: Moore, Darlene R.; Schrader, Scott A.; King, Gabriel G. & Cormier, John
Item Type: Refine your search to only Article
open access

Industrial Assessment Center Program Impact Evaluation

Description: This report presents the results of an evaluation of the U.S. Department of Energy's Industrial Assessment Center (IAC) Program. The purpose of this program is to conduct energy, waste, and productivity assessments for small to medium-sized industrial firms. Assessments are conducted by 30 university-based industrial assessment centers. The purpose of this project was to evaluate energy and cost savings attributable to the assessments, the trained alumni, and the Websites sponsored by this prog… more
Date: January 26, 2000
Creator: Martin, M.A.
Item Type: Refine your search to only Report
open access

Lead zirconate titanate on base metal foils: An approach for embedded high-K passive components

Description: An approach for embedding high-K dielectric thin films into polymer packages has been developed. Pb{sub 0.85}La{sub 0.15}(Zr{sub 0.52}Ti{sub 0.48}){sub 0.96}O{sub 3} thin films were prepared by chemical solution deposition on 50 {micro}m thick Ni-coated Cu foils. Sputter deposited Ni top electrodes completed the all base-metal capacitor stack. After high temperature N{sub 2} crystallization anneals, the PLZT composition showed reduction resistance while the base-metal foils remained flexible. C… more
Date: January 26, 2000
Creator: Maria, J. P.; Cheek, K.; Streiffer, S. K.; Kim, S. H.; Dunn, G. & Kingon, A. I.
Item Type: Refine your search to only Article
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