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Annual Report of the International Nuclear Energy Research Initiative Osmose Project (FY06).

Description: The goal of the OSMOSE program is to measure the reactivity effect of minor actinides in known neutron spectra of interest to the Generation-IV reactor program and other programs and to create a database of these results for use as an international benchmark for the minor actinides. The results are then compared to calculation models to verify and validate integral absorption cross-sections for the minor actinides. The OSMOSE program includes all aspects of the experimental program--including t… more
Date: August 29, 2007
Creator: Klann, R. T.; Hudelot, J. P.; Drin, N.; Zhong, Z.; Division, Nuclear Engineering & Atomique, Commissariat a l'Energie
Item Type: Refine your search to only Report
open access

Automated Inadvertent Intruder Application

Description: The Environmental Analysis and Performance Modeling group of Savannah River National Laboratory (SRNL) conducts performance assessments of the Savannah River Site (SRS) low-level waste facilities to meet the requirements of DOE Order 435.1. These performance assessments, which result in limits on the amounts of radiological substances that can be placed in the waste disposal facilities, consider numerous potential exposure pathways that could occur in the future. One set of exposure scenarios, … more
Date: May 29, 2007
Creator: Koffman, L.; Patricia Lee, P.; Jim Cook, J. & Elmer Wilhite, E.
Item Type: Refine your search to only Article
open access

Characterization of Gatewell Orifice Lighting at the Bonneville Dam Second Powerhouse and Compendium of Research on Light Guidance with Juvenile Salmonids

Description: The goal of the study described in this report is to provide U.S. Army Corps of Engineers (USACE) biologists and engineers with general design guidelines for using artificial lighting to enhance the passage of juvenile salmonids into the collection channel at the Bonneville Dam second powerhouse (B2). During fall 2007, Pacific Northwest National Laboratory (PNNL) researchers measured light levels in the field at one powerhouse orifice through which fish must pass to reach the collection channel… more
Date: December 29, 2007
Creator: Mueller, Robert P. & Simmons, Mary Ann
Item Type: Refine your search to only Report
open access

Characterization of Niobium Oxide Films Deposited by High Target Utilization Sputter Sources

Description: High quality, refractory metal, oxide coatings are required in a variety of applications such as laser optics, micro-electronic insulating layers, nano-device structures, electro-optic multilayers, sensors and corrosion barriers. A common oxide deposition technique is reactive sputtering because the kinetic mechanism vaporizes almost any solid material in vacuum. Also, the sputtered molecules have higher energies than those generated from thermal evaporation, and so the condensates are smoother… more
Date: January 29, 2007
Creator: Chow, R; Ellis, A D; Loomis, G E & Rana, S I
Item Type: Refine your search to only Article
open access

Characterization of the Structure of Cation-DopedBacteriogenic Uranium Oxides using X-Ray Diffraction

Description: Remediation of uranium contamination in subsurface groundwater has become imperative as previous research and manufacturing involving radionuclides has led to contamination of groundwater sources. A possible in situ solution for sequestration of uranium is a bacterial process in which Shewanella oneidensis MR-1 reduces the soluble (and thus mobile) U(VI) oxidation state into the less mobile UO{sub 2} crystalline phase. However, the long term stability of the UO2 compound must be studied as oxid… more
Date: August 29, 2007
Creator: Stahlman, Jonathan M. & /SLAC, /Carnegie Mellon U.
Item Type: Refine your search to only Report
open access

China Spallation Neutron Source Design

Description: The China Spallation Neutron Source (CSNS) is an accelerator-based high-power project currently in preparation under the direction of the Chinese Academy of Sciences (CAS). The complex is based on an H- linear accelerator, a rapid cycling proton synchrotron accelerating the beam to 1.6 GeV, a solid tungsten target station, and five initial instruments for spallation neutron applications. The facility will operate at 25 Hz repetition rate with a phase-I beam power of about 120 kW. The major chal… more
Date: January 29, 2007
Creator: Wei, J.
Item Type: Refine your search to only Article
open access

The Color Glass Condensate and the Glasma: Two Lectures.

Description: These two lectures concern the Color Glass Condensate and the Glasma. These are forms of matter which might be studied in high energy hadronic collisions. The Color Glass Condensate is high energy density gluonic matter. It constitutes the part of a hadron wave function important for high energy processes. The Glasma is matter produced from the Color Glass Condensate in the first instants after a collision of two high energy hadrons. Both types of matter are associated with coherent fields. The… more
Date: August 29, 2007
Creator: McLerran, L.
Item Type: Refine your search to only Article
open access

Compact Analytic Expression for the Electric Field of a 2DElliptical Charge Distribution Inside a Perfectly Conducting CircularCylinder

Description: By combining the method of images with calculus of complex variables, we provide a simple expression for the electric field of a two-dimensional (2D) static elliptical charge distribution inside a perfectly conducting cylinder. The charge distribution need not be concentric with the cylinder.
Date: May 29, 2007
Creator: Furman, M. A.
Item Type: Refine your search to only Article
open access

A Compact Linac for Proton Therapy Based on a Dielectric Wall Accelerator

Description: A novel compact CT-guided intensity modulated proton radiotherapy (IMPT) system is described. The system is being designed to deliver fast IMPT so that larger target volumes and motion management can be accomplished. The system will be ideal for large and complex target volumes in young patients. The basis of the design is the dielectric wall accelerator (DWA) system being developed at the Lawrence Livermore National Laboratory (LLNL). The DWA uses fast switched high voltage transmission lines … more
Date: October 29, 2007
Creator: Caporaso, G. J.; Mackie, T. R.; Sampayan, S.; Chen, Y.; Wang, L.; Blackfield, D. et al.
Item Type: Refine your search to only Article
open access

Comparison of the results of short-term static tests and single-pass flow-through tests with LRM glass.

Description: Static dissolution tests were conducted to measure the forward dissolution rate of LRM glass at 70 C and pH(RT) 11.7 {+-} 0.1 for comparison with the rate measured with single-pass flow-through (SPFT) tests in an interlaboratory study (ILS). The static tests were conducted with monolithic specimens having known geometric surface areas, whereas the SPFT tests were conducted with crushed glass that had an uncertain specific surface area. The error in the specific surface area of the crushed glass… more
Date: January 29, 2007
Creator: Ebert, W. L. & Engineering, Chemical
Item Type: Refine your search to only Report
open access

Definition of a Twelve-Point Polygonal SAA Boundaryfor the GLAST Mission

Description: The Gamma-Ray Large Area Space Telescope (GLAST), set to launch in early 2008, detects gamma rays within a huge energy range of 100 MeV - 300 GeV. Background cosmic radiation interferes with such detection resulting in confusion over distinguishing cosmic from gamma rays encountered. This quandary is resolved by encasing GLAST's Large Area Telescope (LAT) with an Anti-Coincidence Detector (ACD), a device which identifies and vetoes charged particles. The ACD accomplishes this through plastic sc… more
Date: August 29, 2007
Creator: Djomehri, Sabra I. & /UC, Santa Cruz /SLAC
Item Type: Refine your search to only Report
open access

Design, Fabrication, and Test of a 5-kWh/100-kW Flywheel Energy Storage Utilizing a High-Temperature Superconducting Bearing

Description: The summaries of this project are: (1) Program goal is to design, develop, and demonstrate a 100 kW UPS flywheel electricity system; (2) flywheel system spin tested up to 15,000 RPM in a sensorless, closed loop mode; (3) testing identified a manufacturing deficiency in the motor stator--overheats at high speed, limiting maximum power capability; (4) successfully spin tested direct cooled HTS bearing up to 14,500 RPM (limited by Eddy current clutch set-up); (5) Testing confirmed commercial feasi… more
Date: October 29, 2007
Creator: Dr. Michael Strasik, Philip E Johnson; Day, A. C.; Mittleider, J.; Higgins, M. D.; Edwards, J.; Schindler, J. R. et al.
Item Type: Refine your search to only Article
open access

Design for a High Energy Density Kelvin-Helmholtz Experiment

Description: While many high energy density physics (HEDP) Rayleigh-Taylor and Richtmyer-Meshkov instability experiments have been fielded as part of basic HEDP and astrophysics studies, not one HEDP Kelvin-Helmholtz (KH) experiment has been successfully performed. Herein, a design for a novel HEDP x-ray driven KH experiment is presented along with supporting radiation-hydrodynamic simulation and theory.
Date: October 29, 2007
Creator: Hurricane, O A
Item Type: Refine your search to only Article
open access

DESTRUCTIVE EXAMINATION OF SHIPPING PACKAGE 9975-00600

Description: The Savannah River Site (SRS) stores packages containing plutonium (Pu) materials in the K-Area Complex (KAC). The Pu materials are packaged per the DOE 3013 Standard and stored within Model 9975 shipping packages in KAC. The KAC facility DSA (Document Safety Analysis) [1] credits the Model 9975 package to perform several safety functions, including criticality, impact resistance, containment, and fire resistance to ensure the plutonium materials remain in a safe configuration during normal and… more
Date: October 29, 2007
Creator: Daugherty, W. L.
Item Type: Refine your search to only Report
open access

Development of 50 kW Fuel Processor for Stationary Fuel Cell Applications

Description: The objective of the project was to develop and test a fuel processor capable of producing high hydrogen concentration (>98%) with less than ppm quantities of carbon dioxide and carbon monoxide at lower capital cost and higher efficiency, compared to conventional natural gas reformers. It was intended that we achieve our objective by developing simple reactor/process design, and high durability CO2 absorbents, to replace pressure swing adsorption (PSA) or membrane separators. Cost analysis indi… more
Date: August 29, 2007
Creator: Stevens, James F.; Krishnamurthy, Balaji; Atanassova, Paolina & Spilker, Kerry
Item Type: Refine your search to only Report
open access

Direct contact vs. solvent-shared ion pairs in nicl2 electrolytesmonitored by multiplet effects at the ni(ii) l-edge x-ray absorptionDOC_XNOTE=Published by BESSY, Germany in collaboration with LawrenceBerkeley National Laboratory staff.

Description: We investigate the local electronic structure in aqueous NiCl{sub 2} electrolytes by Ni L edge x-ray absorption spectroscopy. The experimental findings are interpreted in conjunction with multiplet calculations of the electronic structure and the resulting spectral shape. In contrast to the situation in the solid, the electronic structure in the electrolyte reflects the absence of direct contact Ni-Cl ion pairs. We observe a systematic change of the intensity ratio of singlet and triplet-relate… more
Date: March 29, 2007
Creator: Aziz, Emad F.; Eisebitt, Stefan; Eberhardt, Wolfgang; de Groot, Frank; Chiou, Jau W.; Dong, Chungi L. et al.
Item Type: Refine your search to only Article
open access

Discovery of Very High Energy Gamma-Ray Emission in the W 28 (G6.4-0.1) Region and Multiwavelength Comparisons

Description: H.E.S.S. observations of the old-age (>10{sup 4} yr; {approx} 0.5 degree diameter) composite supernova remnant (SNR)W28 reveal very high energy (VHE) {gamma}-ray emission situated at its northeastern and southern boundaries. The northeastern VHE source (HESS J1801-233) is in an area where W 28 is interacting with a dense molecular cloud, containing OH masers, local radio and X-ray peaks. The southern VHE sources (HESS J1800-240 with components labeled A, B and C) are found in a region occupi… more
Date: October 29, 2007
Creator: Rowell, G.; Brion, E.; Reimer, O.; Moriguchi, Y.; Fukui, Y.; Djannati-Atai, A. et al.
Item Type: Refine your search to only Article
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