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NSLS 2002 ACTIVITY REPORT (NATIONAL SYNCHROTRON LIGHT SOURCE ACTIVITY REPORT 2002).

Description: The year 2002 has been another highly productive year at the NSLS and an impressive array of highlights from this scientific activity is included in this Activity Report. They have taken significant steps this past year toward better supporting beamlines and users. The number of user science support staff has been increased by about ten positions. They have also worked with their users, DOE, and the other DOE synchrotron facilities to develop a new, more flexible user access policy. Doing things safely remains a top priority, and they are reviewing their training and safety requirements to ensure they are thorough and everyone fully understands the necessity of abiding by them. A major development this past year was approval from DOE for BNL to begin the conceptual design of the Center for Functional Nanomaterials (CFN). The CFN will have a dramatic impact on nanoscience in the Northeast, facilitating the synthesis, characterization and scientific exploration of new classes of novel nanostructured materials. It will be located adjacent to the NSLS and a number of NSLS beamlines will be optimized to serve the needs of the nanoscience community. The NSLS and CFN user programs will be coordinated to facilitate easy access to both in a single visit. The VUV and X-Ray rings operated with excellent reliability as a result of continued attention to aging critical systems. The DUV-FEL achieved several important milestones this year, including production of Self-Amplified Spontaneous Emission (SASE) laser light at 400 nm and 266 nm, laser seeded saturation at 266 nm, and the first observation of High Gain Harmonic Generation (HGHG) light at 266 nm, with a third harmonic at 89 nm. Light from the DUV-FEL is now enabling user science experiments in ion pair imaging and they look forward to an expanding user program and a continued series …
Date: May 1, 2003
Creator: Miller, L.
Partner: UNT Libraries Government Documents Department
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Development of a Rolling Process Design Tool for Use in Improving Hot Roll Slab Recovery

Description: In this quarter, our primary effort has been focused on model verification, emphasizing on consistency in result for parallel and serial simulation runs, Progress has been made in refining the parallel thermal algorithms and in diminishing discretization effects in the contact region between the rollers and slab. We have received the metrology data of the ingot profile at the end of the fifth pass from Alcoa. Detailed comparisons between the data and the initial simulation result are being performed. Forthcoming from Alcoa are modifications to the fracture model based on additional experiments at lower strain rates. The original fracture model, was implemented in the finite element code, but damage in the rolling simulation was not correct due to the modeling errors at lower strain rates and high stress triaxiality. Validation simulations for the fracture model will continue when the experimentally-based adjustments to the parameter values become available.
Date: May 6, 2003
Creator: Couch, R & Wang, P
Partner: UNT Libraries Government Documents Department
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Quarterly Report (Reporting Period January 15, 2003 through April 15, 2003)

Description: Summaries of the activities and accomplishments during this second quarter reporting period for each of the consortium participants are given. Some of the highlights for this reporting period include: Even without the forcing speaker, the ''Mozart'' device on the GCM geometry provides over 20% reduction in drag at 0 degree yaw and above 25% reductions at higher yaw angles; Experiments and computations guide a conceptual design for reduction of drag due to tractor-trailer gap flow; RANS simulations for the GTS geometry are being finalized for development of clear modeling guidelines with RANS; Simulations on the GCM geometry have begun; and Vortex methods have improved techniques for the treatment of vorticity near surfaces.
Date: May 15, 2003
Creator: McCallen, R.; Salari, K.; Ortega, J.; Browand, F.; Hammache, M.; Hsu, T. Y. et al.
Partner: UNT Libraries Government Documents Department
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Performance Technolgies for Peta-Scale Systems: A White Paper Prepared by the Performance Evaluation Research Center

Description: Future-looking high end computing initiatives will deploy powerful, large-scale computing platforms that leverage novel component technologies for superior node performance in advanced system architectures with tens or even hundreds of thousands of nodes. Recent advances in performance tools and modeling methodologies suggest that it is feasible to acquire such systems intelligently and achieve excellent performance, while also significantly reducing the user time required to attain high performance. These developments are relevant to several aspects of future HEC technology outlined in the recent HECRTF white paper request, in particular items 5.4, 5.5, 5.6, and 5.8. We envision the following specific capabilities: (1) Performance modeling tools, available to researchers and vendors, will extrapolate performance from prototype systems to full-scale systems, and even accurately predict performance behavior before systems are manufactured, thus enabling both improved designs and more intelligent selection of systems in procurements. (2) System simulation facilities, implemented on highly parallel platforms and available to researchers and vendors, will for instance realistically model the performance of a specific interprocessor network design running a specific scientific application code. As with item 1, these facilities can lead both to improved designs and procurement decisions that yield significantly greater sustained performance for targeted scientific applications. (3) A program monitoring and analysis infrastructure, scalable to 100,000 processors and beyond, will provide performance information at every level of system's memory hierarchy and network. This infrastructure will build upon knowledge discovery and data mining techniques to be significantly more scalable and easier to use than the current infrastructure, and a standard version will be incorporated in most high-end systems. (4) Self-tuning software facilities, now available only for a few specialized libraries and requiring separate test runs, will be integrated into a broad range of scientific application codes. Eventually these facilities will make use of the performance monitoring infrastructure …
Date: May 20, 2003
Creator: Bailey, D. H.; de Supinski, B. R.; Dongarra, J.; Dunigan, T.; Gao, G.; Hoisie, A. et al.
Partner: UNT Libraries Government Documents Department
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RCRA Groundwater Monitoring Plan for Single-Shell Tank Waste Management Area C, Interim Change Notice 2

Description: This interim change notice makes changes in the original groundwater monitoring plan. This ICN documents the deferral of statistical upgradient/downgradient comparisons for WMA C until conductivity stabilized in upgradient well 299-E27-7 or a new upgradient well is installed and stable and upgradient values for specific conductance are obtained.
Date: May 20, 2003
Creator: Narbutovskih, Susan M. (BATTELLE (PACIFIC NW LAB)) & Chou, Charissa J. (BATTELLE (PACIFIC NW LAB))
Partner: UNT Libraries Government Documents Department
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Evaluation of the Effects of Chromium to Fall Chinook Salmon in the Hanford Reach of the Columbia River: Integration of Recent Toxicity Test Results

Description: The objective of this report was to summarize results of a series of recent laboratory studies conducted to evaluate the effects of chromium on chinook salmon. Individual studies focused on determining the relationship between exposure concentration and toxicological response for a range of life stages including fertilization, egg through swim-up (early life history), parr health, and avoidance-preference of juveniles. Study designs were representative of possible exposure scenarios in the Hanford Reach of the Columbia River.
Date: May 1, 2003
Creator: Dauble, Dennis D.; Patton, Gregory W.; Poston, Ted M. & Peterson, Robert E.
Partner: UNT Libraries Government Documents Department
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May 2003 Working Group Meeting on Heavy Vehicle Aerodynamic Drag: Presentations and Summary of Comments and Conclusions

Description: A Working Group Meeting on Heavy Vehicle Aerodynamic Drag was held at Lawrence Livermore National Laboratory on May 29-30, 2003. The purpose of the meeting was to present and discuss suggested guidance and direction for the design of drag reduction devices determined from experimental and computational studies. Representatives from the Department of Energy (DOE)/Office of Energy Efficiency and Renewable Energy/Office of FreedomCAR & Vehicle Technologies, Lawrence Livermore National Laboratory (LLNL), Sandia National Laboratories (SNL), NASA Ames Research Center (NASA), University of Southern California (USC), California Institute of Technology (Caltech), Georgia Tech Research Institute (GTRI), Argonne National Laboratory (ANL), Clarkson University, and PACCAR participated in the meeting. This report contains the technical presentations (viewgraphs) delivered at the Meeting, briefly summarizes the comments and conclusions, provides some highlighted items, and outlines the future action items.
Date: May 1, 2003
Creator: McCallen, R.; Salari, K.; Ortega, J.; Browand, F.; Hammache, M.; Hsu, T. Y. et al.
Partner: UNT Libraries Government Documents Department
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Investigation of the Electronic Structure of Solid Density Plasmas by X-Ray Scattering

Description: We present an improved analytical expression for the x-ray dynamic structure factor from a dense plasma which includes the effects of weakly bound electrons. This result can be applied to describe scattering from low to moderate Z plasmas, and it covers the entire range of plasma conditions that can be found in inertial confinement fusion experiments, from ideal to degenerate up to moderately coupled systems. We use our theory to interpret x-ray scattering experiments from solid density carbon plasma and to extract accurate measurements of electron temperature, electron density and charge state. We use our experimental results to validate various equation-of-state models for carbon plasmas.
Date: May 19, 2003
Creator: Gregori, G; Glenzer, S H; Forest, F J; Kuhlbrodt, S; Redmer, R; Faussurier, G et al.
Partner: UNT Libraries Government Documents Department
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Impact of Biodiesel Fuels on Air Quality and Human Health: Task 4 Report; Impacts of Biodiesel Fuel Use on PM

Description: This document is the Task 4 report for the NREL"Impacts of Biodiesel Fuels on Air Quality and Human Health" study. The objective of Task 4 is to estimate the effects of the use of biodiesel fuels on particulate matter levels and the resulting exposure to elevated levels of particulate matter.
Date: May 1, 2003
Creator: Morris, R. E. & Jia, Y.
Partner: UNT Libraries Government Documents Department
open access

Analysis of Shock-Void Experiment

Description: The authors compare CALE simulations with recent experimental results of a laser-induced shock traversing a spherical under-dense region (''void''). In this report the experimental results are described, as well as several numerical attempts at explaining the observed radiographs. The conclusion is that the numerical simulations at this time cannot satisfactorily explain the experiment. The simulations also indicate that the introduction of air gaps between the under-dense sphere and the surrounding foam can greatly change the behavior of the shocked sphere. Thus fabrication details may play an important role in the detailed evolution of this experiment. Regardless of the simulations, analysis of the observed time sequence indicates that reproducibility of this experiment may be a factor. To settle this issue, further experiments of this kind will be required.
Date: May 2, 2003
Creator: Woods, D T; Robey, H & Stry, P
Partner: UNT Libraries Government Documents Department
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Integration of Xantrex HY-100 Hybrid Inverter with an AC Induction Wind Turbine

Description: Several issues must be addressed before solid-state inverters can be used in wind-diesel systems with larger wind turbines. This project addresses those issues by using a commercial hybrid inverter designed for PV-diesel systems and modifying the inverter for use with an AC induction wind turbine. Another approach would have entailed building an inverter specifically for use with an AC induction wind turbine, but that was beyond the scope of this project. The inverter chosen for this project was a Xantrex HY-100, an inverter designed for PV systems. The unit consists of an inverter/rectifier bridge, a generator interface contactor, a battery charge controller, a hybrid controller, and the associated control electronics. Details of the inverter may be found in Appendix A. A twofold approach was taken to integrating the existing inverter for use with an AC induction wind turbine: 1) development of a detailed model to model both steady-state and transient behavior of the system, and 2) modification and testing of the inverter with an induction wind turbine based on the modeling results. This report describes these two tasks.
Date: May 1, 2003
Creator: Corbus, D.; Newcomb, C. & Friedly, S.
Partner: UNT Libraries Government Documents Department
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Model for TCLP Releases from Waste Glasses

Description: A first-order property model for normalized Toxicity Characteristic Leaching Procedure (TCLP) release as a function of glass composition was developed using data collected from various studies. The normalized boron release is used to estimate the release of toxic elements based on the observation that the boron release represents the conservative release for those constituents of interest. The current TCLP model has two targeted application areas: (1) delisting of waste-glass product as radioactive (not mixed) waste and (2) designating the glass wastes generated from waste-glass research activities as hazardous or non-hazardous. This report describes the data collection and model development for TCLP releases and discusses the issues related to the application of the model.
Date: May 1, 2003
Creator: Kim, Dong-Sang & Vienna, John D.
Partner: UNT Libraries Government Documents Department
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Geochemistry of Samples from Borehole C3177(299-E24-21)

Description: This report contains the results of geochemical and physical property analyses of twelve samples from the Immobilized Low-Activity Waste (ILAW) borehole #2. The borehole is in the middle of the 200 East Area, at the northeast corner of the ILAW disposal site.
Date: May 28, 2003
Creator: Horton, Duane G.; Schaef, Herbert T.; Serne, R. Jeffrey; Brown, Christopher F.; Valenta, Michelle M.; Vickerman, Tanya S. et al.
Partner: UNT Libraries Government Documents Department
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3D Computations and Experiments

Description: This project is in its first full year after the combining of two previously funded projects: ''3D Code Development'' and ''Dynamic Material Properties''. The motivation behind this move was to emphasize and strengthen the ties between the experimental work and the computational model development in the materials area. The next year's activities will indicate the merging of the two efforts. The current activity is structured in two tasks. Task A, ''Simulations and Measurements'', combines all the material model development and associated numerical work with the materials-oriented experimental activities. Task B, ''ALE3D Development'', is a continuation of the non-materials related activities from the previous project.
Date: May 12, 2003
Creator: Couch, R; Faux, D; Goto, D & Nikkel, D
Partner: UNT Libraries Government Documents Department
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Gas Ionization by Beam Electron Collisions and by Electron Avalanching in the Self Ez Field of a 2 kA Relativistic Electron Beam Focused on a Conducting Target

Description: About 1.5 x 10{sup 12} positive ions are predicted to be required to disrupt the focusing (for 0.25 cm radius and 0.2 electric neutralization fraction). Beam electron collisions are predicted to produce this number in 20 ns with 6 x 10{sup 15} water molecules/cm{sup 2}. Electron avalanching is predicted to be intense at time zero in a gas layer about 10{sup -3} cm thick with 1.4 x 10{sup 16} cm{sup -2}. With increasing time, space charge reduces the E-field and so the avalanching decreases. With 0.25 cm radius, 1.9 x 10{sup 11} are predicted in 0.6 ns and with 1 cm radius, 7.4 x 10{sup 11} are predicted in 1.5 ns.
Date: May 23, 2003
Creator: Lauer, E
Partner: UNT Libraries Government Documents Department
open access

DNA Compaction by Yeast Mitochondrial Protein ABF2p

Description: We used high resolution Atomic Force Microscopy (AFM) to image compaction of linear and circular DNA by the yeast mitochondrial protein ABF2p , which plays a major role in maintaining mitochondrial DNA. AFM images show that protein binding induces drastic bends in the DNA backbone for both linear and circular DNA. At high concentration of ABF2p DNA collapses into a tight globular structure. We quantified the compaction of linear DNA by measuring the end-to-end distance of the DNA molecule at increasing concentrations of ABF2p. We also derived a polymer statistical mechanics model that gives quantitative description of compaction observed in our experiments. This model shows that a number of sharp bends in the DNA backbone is often sufficient to cause DNA compaction. Comparison of our model with the experimental data showed excellent quantitative correlation and allowed us to determine binding characteristics for ABF2. Our studies indicate that ABF2 compacts DNA through a novel mechanism that involves bending of DNA backbone. We discuss the implications of such a mechanism for mitochondrial DNA maintenance.
Date: May 9, 2003
Creator: Friddle, R W; Klare, J E; Noy, A; Corzett, M; Balhorn, R; Baskin, R J et al.
Partner: UNT Libraries Government Documents Department
open access

Guidelines for the Performance of Nonproliferation Assessments

Description: The National Nuclear Security Administration (NNSA) established a Nonproliferation Assessment Methodology (NPAM) Working Group, comprised of representatives from the Department of Energy (DOE) laboratories and academia, to develop guidelines for the practical application of Nonproliferation Assessment Methodologies (NPAM). The purpose of these methodologies is to address questions and issues related to the proliferation of nuclear weapons and weapons-useable nuclear materials and related technologies, as input to policy analysis. This document presents the guidelines developed by the Working Group.
Date: May 29, 2003
Creator: Mladineo, Stephen V.; Denning, Richard S.; Roglans-Ribas, Jordi; Bari, Robert A.; Eagle, James; Olinger, Chad T. et al.
Partner: UNT Libraries Government Documents Department
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smesh User's Guide

Description: ''smesh'' is a general purpose, interactive, 2D unstructured mesh generator based on Overture. It supports three kinds of mesh generation techniques: structured patches with transfinite interpolation (TFI); unstructured triangles based on an advancing front technique; and a Cartesian cutcell/triangle hybrid method. Meshes are generated in a generalized ''multi-block'' manner where each ''block'', or region, can be one of the three mesh types. Geometry definitions can be created interactively by placing points and interpolating curves. Spacing information is provided by both the curve discretization (which can be stretched) and a user specified preferred grid spacing for a region. A mesh optimization procedure is available for the non-TFI regions for mesh quality improvement. Each mesh region is given an unique identifier and an optional string name. Meshes are exported to a modified ''ingrid'' format including mesh region identifiers and names. Facilities for command scripting and batch running are available.
Date: May 5, 2003
Creator: Chand, K. K.
Partner: UNT Libraries Government Documents Department
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Impact of Biodiesel Fuels on Air Quality and Human Health: Task 2 Report; The Impact of Biodiesel Fuels on Ozone Concentrations

Description: This report documents Task 2 of the NREL study"Impact of Biodiesel Fuels on Air Quality and Hyman Health". Under Task 1, engine test data using biodiesel and standard diesel fuels were analyzed to estimate the effects biodiesel fuel has on heavy duty diesel vehicle tailpipe emissions.
Date: May 1, 2003
Creator: Morris, R. E.; Mansell, G. E.; Jia, Y. & Wilson, G.
Partner: UNT Libraries Government Documents Department
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Efficiency Issues in Parallel Coarsening Schemes

Description: Various options for sequential, shared memory and distributed memory implementations for the CLJP algorithm, a parallel coarsening scheme within algebraic multigrid, are discussed. The use of different data structures as well as different approaches of implementing the actual algorithm are investigated, and experimental results illustrating the results are presented.
Date: May 2, 2003
Creator: Gallivan, K A & Yang, U M
Partner: UNT Libraries Government Documents Department
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Impact of Biodiesel Fuels on Air Quality and Human Health: Task 5 Report; Air Toxics Modeling of the Effects of Biodiesel Fuel Use on Human Health in the South Coast Air Basin Region of Southern California

Description: This document is the Task 5 report for the NREL study"Impacts of Biodiesel Fuels on Air Quality and Human Health" study. The objective of Task 5 is to estimate the effects of the use of biodiesel fuels on air toxics and resultant risk, exposure, and human health.
Date: May 1, 2003
Creator: Morris, R. E. & Jia, Y.
Partner: UNT Libraries Government Documents Department
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Advanced CIGS Photovoltaic Technology: Annual Technical Report, 15 November 2001-14 November 2002

Description: Energy Photovoltaics, Inc. (EPV) has consistently pursued a vacuum-based approach to CIGS production, using novel linear-source technology and standard soda-lime glass substrates. It has also chosen to develop processing methods with worker safety in mind. These choices result in layers having controllable purity and low physical defects, and production without significant hazards. Considerations such as these are important in helping to minimize the processing costs of CIGS. Technically, thin-film PV technologies have advanced considerably in the last few years. EPV successfully produced high-quality 0.43m2 Mo-coated glass substrates that, when cut, enabled NREL to produce 17.1% CIGS cells on such substrates. EPV successfully used novel linear evaporative sources for supply of Cu, In, Ga, and Se to form CIGS on 0.43m2 substrates, producing modules with Voc's of up to 37 V. A new approach to buffer-layer deposition was pioneered through synthesis of the compound ZnIn2Se4 and its use as a source material. In addition, the current generated in exploratory a-Si/a-Si/CIGS stacked devices was increased from 6 to 13 mA/cm2. Supporting these programs, EPV's upgraded analytical laboratories provided rapid in-house feedback concerning material and device properties. The objective of this subcontract is to develop and assemble the various pieces of new technology that EPV considers essential for cost-effective production of CIGS modules. The long-term objective of the Thin Film PV Partnership Program is to demonstrate low-cost, reproducible modules of 15% aperture-area efficiency.
Date: May 1, 2003
Creator: Delahoy, A. E. & Chen, L.
Partner: UNT Libraries Government Documents Department
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Dissolution Kinetics of Titanate-Based Ceramic Waste Forms: Results from Single-Pass Flow Tests on Radiation Damaged Specimens

Description: This report is a summary report in which the data from the single-pass flow-through test on resintered 238Pu-bearing ceramics are reported. These results show that radiation damage has litte effect on the dissolution kinetics of candidate titanate ceramics for plutonium immobilization.
Date: May 1, 2003
Creator: Icenhower, Jonathan P.; Strachan, Denis M.; Lindberg, Michael J.; Rodriguez, Elsa A. & Steele, Jackie L.
Partner: UNT Libraries Government Documents Department
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