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An Overview of High Reliability Transformer Encapsulation Materials
None
Date:
July 12, 2000
Creator:
ARRIS,HOWARD W.
Object Type:
Article
System:
The UNT Digital Library
Neutronic Benchmarks for the Utilization of Mixed-Oxide Fuel: Joint U.S./Russian Progress Report for Fiscal Year 1997 - Volume 4, Part 2--Saxton Plutonium Program Critical Experiments
Critical experiments with water-moderated, single-region PuO{sub 2}-UO{sub 2} or UO{sub 2}, and multiple-region PuO{sub 2}-UO{sub 2}- and UO{sub 2}-fueled cores were performed at the CRX reactor critical facility at the Westinghouse Reactor Evaluation Center (WREC) at Waltz Mill, Pennsylvania in 1965 [1]. These critical experiments were part of the Saxton Plutonium Program. The mixed oxide (MOX) fuel used in these critical experiments and then loaded in the Saxton reactor contained 6.6 wt% PuO{sub 2} in a mixture of PuO{sub 2} and natural UO{sub 2}. The Pu metal had the following isotopic mass percentages: 90.50% {sup 239}Pu; 8.57% {sup 239}Pu; 0.89% {sup 240}Pu; and 0.04% {sup 241}Pu. The purpose of these critical experiments was to verify the nuclear design of Saxton partial plutonium cores while obtaining parameters of fundamental significance such as buckling, control rod worth, soluble poison worth, flux, power peaking, relative pin power, and power sharing factors of MOX and UO{sub 2} lattices. For comparison purposes, the core was also loaded with uranium dioxide fuel rods only. This series is covered by experiments beginning with the designation SX.
Date:
October 12, 2000
Creator:
Abdurrahman, NM
Object Type:
Report
System:
The UNT Digital Library
Tank Waste Information Network System (TWINS) FY 2001 Data Management Plan
The mission of Tank Waste Information Network System (TWINS) is to provide system users with quality tank data and information when needed, in the form needed and at a reasonable cost.
Date:
June 12, 2000
Creator:
Adams, M. R.
Object Type:
Report
System:
The UNT Digital Library
Calibrated Properties Model
The purpose of this Analysis/Model Report (AMR) is to document the Calibrated Properties Model that provides calibrated parameter sets for unsaturated zone (UZ) flow and transport process models for the Yucca Mountain Site Characterization Project (YMP). This work was performed in accordance with the ''AMR Development Plan for U0035 Calibrated Properties Model REV00. These calibrated property sets include matrix and fracture parameters for the UZ Flow and Transport Model (UZ Model), drift seepage models, drift-scale and mountain-scale coupled-processes models, and Total System Performance Assessment (TSPA) models as well as Performance Assessment (PA) and other participating national laboratories and government agencies. These process models provide the necessary framework to test conceptual hypotheses of flow and transport at different scales and predict flow and transport behavior under a variety of climatic and thermal-loading conditions.
Date:
March 12, 2000
Creator:
Ahlers, C. & Liu, H.
Object Type:
Report
System:
The UNT Digital Library
Beam collimation system for a 16 GeV proton driver
It is shown that with the appropriate lattice and collimation design, one can control beam loss in the 16 GeV Fermilab Proton Driver. Based on detailed Monte-Carlo simulations, a 3-stage collimation system is proposed which consists of primary, secondary and supplementary collimators located in a special 60 m long injection section along with a painting system. It allows localization of more than 99% of beam loss to this section with only a 0.3 W/m (on average) beam loss rate in the rest of the machine. As a result, beam loss and induced radiation effects in lattice elements can be reduced to levels which are defined as acceptable.
Date:
September 12, 2000
Creator:
Alexandr I. Drozhdin, Carol J. Johnstone and Nikolai V. Mokhov
Object Type:
Article
System:
The UNT Digital Library
Letter regarding the first meeting of 2000
Letter regarding the first meeting of 2000 required by all branch presidents and members.
Date:
January 12, 2000
Creator:
Allen, Richard
Object Type:
Letter
System:
The Gateway to Oklahoma History
Disposal of Surplus Weapons Grade Plutonium
The Office of Fissile Materials Disposition is responsible for disposing of inventories of surplus US weapons-usable plutonium and highly enriched uranium as well as providing, technical support for, and ultimate implementation of, efforts to obtain reciprocal disposition of surplus Russian plutonium. On January 4, 2000, the Department of Energy issued a Record of Decision to dispose of up to 50 metric tons of surplus weapons-grade plutonium using two methods. Up to 17 metric tons of surplus plutonium will be immobilized in a ceramic form, placed in cans and embedded in large canisters containing high-level vitrified waste for ultimate disposal in a geologic repository. Approximately 33 metric tons of surplus plutonium will be used to fabricate MOX fuel (mixed oxide fuel, having less than 5% plutonium-239 as the primary fissile material in a uranium-235 carrier matrix). The MOX fuel will be used to produce electricity in existing domestic commercial nuclear reactors. This paper reports the major waste-package-related, long-term disposal impacts of the two waste forms that would be used to accomplish this mission. Particular emphasis is placed on the possibility of criticality. These results are taken from a summary report published earlier this year.
Date:
September 12, 2000
Creator:
Alsaed, H. & Gottlieb, P.
Object Type:
Report
System:
The UNT Digital Library
Examination of Genetic Alterations in Preneoplastic and Neoplastic Lesions of the Lung From Uranium Miners. Final Technical Report
Lung cancer is one of the leading causes of death in the United States and in Western Europe. The incidence of lung cancer in developing countries is rising as their cigarette smoking habits increase. The objectives of this proposed research are to analyze genetic alterations associated with the development and progression on non-small cell lung carcinoma (MSCLC). Endpoints that may be realized from this proposed research are: (1) detection of early genetic and/or cellular alterations which ultimately could lead to diagnostic modalities for the early detection of lung cancer; and (2) detection of novel tumor suppressor genes on chromosome 9p. This proposal will analyze both tumor specimens and sputum samples.
Date:
July 12, 2000
Creator:
Anderson, Marshall
Object Type:
Report
System:
The UNT Digital Library
Not ''just'' pump and treat
The Lawrence Livermore National Laboratory (LLNL) has been consistently improving the site cleanup methods by adopting new philosophies, strategies and technologies to address constrained or declining budgets, lack of useable space due to a highly industrialized site, and significant technical challenges. As identified in the ROD, the preferred remedy at the LLNL Livermore Site is pump and treat, although LLNL has improved this strategy to bring the remediation of the ground water to closure as soon as possible. LLNL took the logical progression from a pump and treat system to the philosophy of ''Smart Pump and Treat'' coupled with the concepts of ''Hydrostratigraphic Unit Analysis,'' ''Engineered Plume Collapse,'' and ''Phased Source Remediation,'' which led to the development of new, more cost-effective technologies which have accelerated the attainment of cleanup goals significantly. Modeling is also incorporated to constantly develop new, cost-effective methodologies to accelerate cleanup and communicate the progress of cleanup to stakeholders. In addition, LLNL improved on the efficiency and flexibility of ground water treatment facilities. Ground water cleanup has traditionally relied on costly and obtrusive fixed treatment facilities. LLNL has designed and implemented various portable ground water treatment units to replace the fixed facilities; the application of each type …
Date:
December 12, 2000
Creator:
Angleberger, K & Bainer, R W
Object Type:
Article
System:
The UNT Digital Library
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History
Turner Falls
Photograph of a scene at Turner Falls.
Date:
May 12, 2000
Creator:
Argo, Jim
Object Type:
Photograph
System:
The Gateway to Oklahoma History