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1.5-GEV FFAG ACCELERATOR AS INJECTOR TO THE BNL-AGS.
A 1.5-GeV Fixed-Field Alternating-Gradient (FFAG) proton Accelerator is being studied as a new injector to the Alternating-Gradient Synchrotron (AGS) of Brookhaven National Laboratory (BNL). The major benefit is that it would considerably shorten the overall AGS acceleration cycle, and, consequently, may yield to an improvement of beam stability, intensity and size. The AGS-FFAG will also facilitate the proposed upgrade of the AGS facility toward a 1-MW average proton beam power at the top energy of 28 GeV. This paper describes the FFAG design for acceleration of protons from 400 MeV to 1.5 GeV, with the same circumference of the AGS, and entirely housed in the AGS tunnel.
Date:
July 5, 2004
Creator:
Ruggiero, A. G.; Blaskiewicz, M.; Trbojevic, D.; Tsoupas, N. & Zhang, W.
Object Type:
Article
System:
The UNT Digital Library
2-D Imaging of Electron Temperature in Tokamak Plasmas
By taking advantage of recent developments in millimeter wave imaging technology, an Electron Cyclotron Emission Imaging (ECEI) instrument, capable of simultaneously measuring 128 channels of localized electron temperature over a 2-D map in the poloidal plane, has been developed for the TEXTOR tokamak. Data from the new instrument, detailing the MHD activity associated with a sawtooth crash, is presented.
Date:
July 8, 2004
Creator:
Munsat, T.; Mazzucato, E.; Park, H.; Domier, C. W.; Johnson, M.; Luhmann, N. C. Jr. et al.
Object Type:
Report
System:
The UNT Digital Library
9-11 Commission Final Report Press Conference
Recording of a press conference held by the National Commission on Terrorist Attacks upon the United States to announce the release of the final report and discuss the findings of the commission.
Date:
July 22, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Video
System:
The UNT Digital Library
The 9/11 Commission Report: Final Report of the National Commission on Terrorist Attacks Upon the United States
The official Government edition of the Final Report of the National Commission on Terrorist Attacks Upon the United States (also known as the 9-11 Commission, an independent, bipartisan commission created by congressional legislation and the signature of President George W. Bush in late 2002), provides a full and complete account of the circumstances surrounding the September 11, 2001 terrorist attacks, including preparedness for and the immediate response to the attacks. Provides recommendations designed to guard against future attacks.
Date:
July 22, 2004
Creator:
National Commission on Terrorist Attacks upon the United States
Object Type:
Book
System:
The UNT Digital Library
A 16 Mev/Nucleon Cocktail for Heavy Ion Testing
This report gives the description of a new cocktail of heavy ions ranging from Z=7-36 at 16 MeV/Nucleon.
Date:
July 31, 2004
Creator:
McMahan, M. A.; Leitner, D.; Gimpel, T.; Morel, J.; Ninemire, B.; Siero, R. et al.
Object Type:
Article
System:
The UNT Digital Library
The 2003 Tax Cut: Proposals and Issues
This report provides a brief description of each tax cut proposal, including major proposals offered by the Democrats in both the House and the Senate during 2003. It discusses the distributional affects of the proposals and potential effects on short and long term economic growth.
Date:
July 16, 2004
Creator:
Brumbaugh, David L. & Richards, Don C.
Object Type:
Report
System:
The UNT Digital Library
[2004 Board Member Calls for Dues]
A 2004 Board Member call for dues to be paid by Texas Daily Newspaper Association members. The document is sub-divided into three sections, "Delinquent Dues," "Dropped," and "Paid." Delinquent dues are newspapers who owe the association money, and dropped are the newspaper who are no longer part of the association because they never paid the due amount.
Date:
July 20, 2004
Creator:
Texas Daily Newspaper Association
Object Type:
Text
System:
The UNT Digital Library
[2004 Record of Non-Members]
A document describing newspaper companies who were former / non-members of the Texas Daily Newspaper Association. The document gives description about the newspaper as well as the monetary dues they owe the association.
Date:
July 20, 2004
Creator:
Texas Daily Newspaper Association
Object Type:
Text
System:
The UNT Digital Library
235U and TRU Holdup Measurements on the 321-M Sawbenches
The Analytical Development Section of Savannah River Technology Center (SRTC) was requested by the Facilities Disposition Projects (FDP) to determine the holdup of enriched uranium in the 321-M facility as part of an overall deactivation project of the facility. The 321-M facility was used to fabricate enriched uranium fuel assemblies, lithium-aluminum target tubes, neptunium assemblies, and miscellaneous components for the production reactors. The results of the holdup assays are essential for determining compliance with the Waste Acceptance Criteria, Material Control & Accountability, and to meet criticality safety controls. This report covers holdup measurements on two sawbench components that were used for cutting U-Al fuel rods. The benches contained U-Al residue scattered on the bench tops and bagged up in plastic containers. It was very important to obtain an estimate of the HEU content of this residue in order to remove criticality concerns before vacuuming it into a much smaller volume. A portable high purity germanium (HPGe) detection system and a portable sodium iodide (NaI) detection system were used to determine highly enriched uranium (HEU) holdup and to determine holdup Np-237 and Am-241 that were observed in these components. The measured Np-237 and Am-241 contents were especially important in these components …
Date:
July 2, 2004
Creator:
Dewberry, R
Object Type:
Report
System:
The UNT Digital Library
Absorption and Emission in the Non-Poissonian Case
Article on absorption and emission in the Non-Poissonian Case.
Date:
July 28, 2004
Creator:
Aquino, Gerardo; Palatella, Luigi & Grigolini, Paolo
Object Type:
Article
System:
The UNT Digital Library
ACCELERATION OF POLARIZED BEAMS USING MULTIPLE STRONG PARTIAL SIBERIAN SNAKES.
Acceleration of polarized protons in the energy range of 5 to 25 GeV is particularly difficult since depolarizing spin resonances are strong enough to cause significant depolarization but full Siberian snakes cause intolerably large orbit excursions. Using a 20-30% partial Siberian snake both imperfection and intrinsic resonances can be overcome. Such a strong partial Siberian snake was designed for the Brookhaven AGS using a dual pitch helical superconducting dipole. Multiple strong partial snakes are also discussed for spin matching at beam injection and extraction.
Date:
July 5, 2004
Creator:
ROSER,T. AHRENS,L. BAI,M. ET AL.
Object Type:
Article
System:
The UNT Digital Library
Accessible Genetics Research Ethics Education (AGREE): A Web-Based Program for IRBS and Investigators
Final report of Accessible Genetics Research Ethics Education (AGREE) grant and site web site developed along with educational modules.
Date:
July 13, 2004
Creator:
Sugarman, J.
Object Type:
Report
System:
The UNT Digital Library
Accounting for fuel price risk when comparing renewable togas-fired generation: the role of forward natural gas prices
Unlike natural gas-fired generation, renewable generation (e.g., from wind, solar, and geothermal power) is largely immune to fuel price risk. If ratepayers are rational and value long-term price stability, then--contrary to common practice--any comparison of the levelized cost of renewable to gas-fired generation should be based on a hedged gas price input, rather than an uncertain gas price forecast. This paper compares natural gas prices that can be locked in through futures, swaps, and physical supply contracts to contemporaneous long-term forecasts of spot gas prices. We find that from 2000-2003, forward gas prices for terms of 2-10 years have been considerably higher than most contemporaneous long-term gas price forecasts. This difference is striking, and implies that comparisons between renewable and gas-fired generation based on these forecasts over this period have arguably yielded results that are biased in favor of gas-fired generation.
Date:
July 17, 2004
Creator:
Bolinger, Mark; Wiser, Ryan & Golove, William
Object Type:
Article
System:
The UNT Digital Library
ACME algorithms for contact in a multiphysics environment API version 2.2.
An effort is underway at Sandia National Laboratories to develop a library of algorithms to search for potential interactions between surfaces represented by analytic and discretized topological entities. This effort is also developing algorithms to determine forces due to these interactions for transient dynamics applications. This document describes the Application Programming Interface (API) for the ACME (Algorithms for Contact in a Multiphysics Environment) library.
Date:
July 1, 2004
Creator:
Heinstein, Martin Wilhelm; Glass, Micheal W.; Gullerud, Arne S.; Brown, Kevin H.; Voth, Thomas Eugene & Jones, Reese E.
Object Type:
Report
System:
The UNT Digital Library
Acquisition of time-lapse, 6-component, P- and S-wave, crosswell seismic survey with orbital vibrator and of time-lapse VSP for CO2 injection monitoring
Using an orbital vibrator source (2-components), and a 40 level 3-component geophone string, a 6-component crosswell survey was acquired before and after a CO2 injection in a saline aquifer. Decomposition of the two source components and component rotation of both source and sensors created good separation of P- and S-wave energy allowing independent analysis of travel time and reflectivity. A time-lapse VSP was also acquired.
Date:
July 15, 2004
Creator:
Daley, Tom; Daley, T. M.; Myer, L. R. & Majer, E. L.
Object Type:
Article
System:
The UNT Digital Library
Active Well Neutron Coincidence Assays for U-235 Content in HB-Line Desicooler Repackage Campaign at the Savannah River Site
At HB-Line of the Savannah River Site, 4.3 kg of U-235 have been repackaged from FB-Line Desicooler material into a cement matrix in individual one-gallon paint cans for disposition as solid waste. The 4.3 kg of U-235 material were packaged into 172 paint cans with U-235 contents ranging from 8.9 g up to 32 g. Prior to transfer to the Solid Waste Facilities, verification measurements of selected cans were performed to assure valid control of the solid waste. The HB-Line-DOE Sampling Plan designated confirmatory assays, and a total of 67 paint cans were assayed to verify the contents. The Analytical Development Section of the Savannah River National Laboratory selected an active well coincidence neutron counter as the best instrument available to accomplish the assays. The instrument was set up at-line in the thermal excitation mode, and three standard samples that contained 8.9-, 28.5-, and 32.4-g of U-235 were counted for twenty hours of acquisition time each. A linear calibration based on the observed doubles rates was installed in the instrument. Subsequent verification measurements were performed on the selected samples using fifteen one-minute active acquisitions. Of the 67 samples assayed, 53 verification measurements were within the limits greater than or less …
Date:
July 15, 2004
Creator:
DEWBERRY, RAYMOND
Object Type:
Article
System:
The UNT Digital Library
Adaptive Management and Planning Models for Cultural Resources in Oil & Gas Fields in New Mexico and Wyoming, Semi-Annual Progress Report: January 1 - June 30, 2004
This report contains a summary of activities of Gnomon, Inc. and five subcontractors that have taken place during the first six months of 2004 (January 1, 2004-June 30, 2004) under the DOE-NETL cooperative agreement: ''Adaptive Management and Planning Models for Cultural Resources in Oil & Gas Fields in New Mexico and Wyoming'', DE-FC26-02NT15445. Although Gnomon and all five subcontractors completed tasks during these six months, most of the technical experimental work was conducted by the subcontractor, SRI Foundation (SRIF). SRIF created a sensitivity model for the Azotea Mesa area of southeastern New Mexico that rates areas as having a very good chance, a good chance, or a very poor chance of containing cultural resource sites. SRIF suggested that the results of the sensitivity model might influence possible changes in cultural resource management (CRM) practices in the Azote Mesa area of southeastern New Mexico.
Date:
July 1, 2004
Creator:
Robinson, Peggy
Object Type:
Report
System:
The UNT Digital Library
Adequate Yearly Progress (AYP): Implementation of the No Child Left Behind Act
This report is intended to provide an overview of the Adequate Yearly Process (AYP) concept and several related issues, a description of the AYP provisions of the No Child Left Behind Act, and an analysis of the implementation of these provisions by the U.S. Department of Education (ED) and the states. It will be updated when major administrative actions are taken by ED, or substantial new data on state implementation become available.
Date:
July 28, 2004
Creator:
Riddle, Wayne
Object Type:
Report
System:
The UNT Digital Library
The Administration’s FY2005 Request for $25 Billion for Operations in Iraq and Afghanistan: Precedents, Options, and Congressional Action
This report discusses the military's request for 25 billion dollars as a "contingent reserve emergency fund" for FY2005. The report covers previous decisions made by Congress to lend insight on whether the total amount will be distributed or not. Moreover, the report discusses a variety of options that may be undertaken to acquire the funding such as using the Department of Defense's ability to transfer funds (DOD).
Date:
July 22, 2004
Creator:
Belasco, Amy & Daggett, Stephen
Object Type:
Report
System:
The UNT Digital Library
Advanced Computational Materials Science: Application to Fusion and Generation IV Fission Reactors (Workshop Report)
The ''Workshop on Advanced Computational Materials Science: Application to Fusion and Generation IV Fission Reactors'' was convened to determine the degree to which an increased effort in modeling and simulation could help bridge the gap between the data that is needed to support the implementation of these advanced nuclear technologies and the data that can be obtained in available experimental facilities. The need to develop materials capable of performing in the severe operating environments expected in fusion and fission (Generation IV) reactors represents a significant challenge in materials science. There is a range of potential Gen-IV fission reactor design concepts and each concept has its own unique demands. Improved economic performance is a major goal of the Gen-IV designs. As a result, most designs call for significantly higher operating temperatures than the current generation of LWRs to obtain higher thermal efficiency. In many cases, the desired operating temperatures rule out the use of the structural alloys employed today. The very high operating temperature (up to 1000 C) associated with the NGNP is a prime example of an attractive new system that will require the development of new structural materials. Fusion power plants represent an even greater challenge to structural materials …
Date:
July 15, 2004
Creator:
Stoller, RE
Object Type:
Report
System:
The UNT Digital Library
Advanced Cuttings Transport Study Quarterly Technical Report: April-June 2004
We have tested the loop elevation system. We raised the mast to approximately 25 to 30 degrees from horizontal. All went well. However, while lowering the mast, it moved laterally a couple of degrees. Upon visual inspection, severe spalling of the concrete on the face of the support pillar, and deformation of the steel support structure was observed. At this time, the facility is ready for testing in the horizontal position. A new air compressor has been received and set in place for the ACTS test loop. A new laboratory has been built near the ACTS test loop Roughened cups and rotors for the viscometer (RS300) were obtained. Rheologies of aqueous foams were measured using three different cup-rotor assemblies that have different surface roughness. The relationship between surface roughness and foam rheology was investigated. Re-calibration of nuclear densitometers has been finished. The re-calibration was also performed with 1% surfactant foam. A new cuttings injection system was installed at the bottom of the injection tower. It replaced the previous injection auger. A mechanistic model for cuttings transport with aerated mud has been developed. Cuttings transport mechanisms with aerated water at various conditions were experimentally investigated. A total of 39 tests were …
Date:
July 31, 2004
Creator:
Miska, Stefan; Takach, Nicholas & Ashenayi, Kaveh
Object Type:
Report
System:
The UNT Digital Library
An Advanced Fracture Characterization and Well Path Navigation System for Effective Re-Development and Enhancement of Ultimate Recovery From the Complex Monterey Reservoir of South Ellwood Field, Offshore California, Quarterly Report: March - June 2004
Venoco Inc, intends to re-develop the Monterey Formation, a Class III basin reservoir, at South Ellwood Field, Offshore Santa Barbara, California. Well productivity in this field varies significantly. Cumulative Monterey production for individual wells has ranged from 260 STB to 8,700,000 STB. Productivity is primarily affected by how well the well path connects with the local fracture system and the degree of aquifer support. Cumulative oil recovery to date is a small percentage of the original oil in place. To embark upon successful re-development and to optimize reservoir management, Venoco intends to investigate, map and characterize field fracture patterns and the reservoir conduit system. State of the art borehole imaging technologies including FMI, dipole sonic and cross-well seismic, interference tests and production logs will be employed to characterize fractures and micro faults. These data along with the existing database will be used for construction of a novel geologic model of the fracture network. Development of an innovative fracture network reservoir simulator is proposed to monitor and manage the aquifer's role in pressure maintenance and water production. The new fracture simulation model will be used for both planning optimal paths for new wells and improving ultimate recovery. In the second phase …
Date:
July 30, 2004
Creator:
Horner, Steve
Object Type:
Report
System:
The UNT Digital Library
Advanced Hydrogen Transport Membranes for Vision 21 Fossil Fuel Plants
During this quarter, work was focused on testing layered composite membranes under varying feed stream flow rates at high pressure. By optimizing conditions, H{sub 2} permeation rates as high as 423 mL {center_dot} min{sup -1} {center_dot} cm{sup -2} at 440 C were measured. Membrane stability was investigated by comparison to composite alloy membranes. Permeation of alloyed membranes showed a strong dependence on the alloying element. Impedance analysis was used to investigate bulk and grain boundary conductivity in cermets. Thin film cermet deposition procedures were developed, hydrogen dissociation catalysts were evaluated, and hydrogen separation unit scale-up issues were addressed.
Date:
July 26, 2004
Creator:
Evenson, Carl R.; Sammells, Anthony F.; Mackay, Richard; Treglio, Richard; Rolfe, Sara L.; Blair, Richard et al.
Object Type:
Report
System:
The UNT Digital Library
Advanced Overfire Air system and design
The objective of the proposed project is to design, install and optimize a prototype advanced tangential OFA air system on two mass feed stoker boilers that can burn coal, biomass and a mixture of these fuels. The results will be used to develop a generalized methodology for retrofit designs and optimization of advanced OFA air systems. The advanced OFA system will reduce particulate and NOx emissions and improve overall efficiency by reducing carbon in the ash and excess oxygen. The advanced OFA will also provide capabilities for carrying full load and improved load following and transitional operations.
Date:
July 30, 2004
Creator:
berkau, Gene
Object Type:
Report
System:
The UNT Digital Library