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[Photograph 2012.201.B1221.0608]
Photograph used for a story in the Daily Oklahoman newspaper. Caption: "Subject wanted for robbery of the International Golf Discount store located at 10101 N May, in the village."
Date:
December 20, 1996
Creator:
unknown
Object Type:
Photograph
System:
The Gateway to Oklahoma History
ORIGEN2 calculations supporting TRIGA irradiated fuel data package
ORIGEN2 calculations were performed for TRIGA spent fuel elements from the Hanford Neutron Radiography Facility. The calculations support storage and disposal and results include mass, activity,and decay heat. Comparisons with underwater dose-rate measurements were used to confirm and adjust the calculations.
Date:
September 20, 1996
Creator:
Schmittroth, F.A.
Object Type:
Report
System:
The UNT Digital Library
The Utilization of the Microflora Indigenous to and Present in Oil-Bearing Formations to Selectively Plug the More Porous Zones Thereby Increasing Oil Recovery During Waterflooding
The objective of this work is to demonstrate the use of indigenous microbes as a method of profile control in waterfloods. It is expected that as the microbial population is induced to increase, that the expanded biomass will selectively block the more permeable zones of the reservoir thereby forcing injection water to flow through the less permeable zones which will result in improved sweep efficiency. This increase in microbial population will be accomplished by injecting a nutrient solution into four injectors. Four other injectors will act as control wells. During Phase I, two wells will be cored through the zone of interest. The core will be subjected to special core analyses in order to arrive at the optimum nutrient formulation. During Phase II, nutrient injection will begin, the results monitored, and adjustments to the nutrient composition made, if necessary. Phase II also will include the drilling of three wells for post-mortem core analysis. Phase III will focus on technology transfer of the results. It should be pointed out that one expected outcome of this new technology will be a prolongation of economical waterflooding operations, i.e. economical oil recovery should continue for much longer periods in the producing wells subjected to …
Date:
October 20, 1996
Creator:
Brown, Lewis R. & Vadie, Alex A.
Object Type:
Report
System:
The UNT Digital Library
Dallas Voice (Dallas, Tex.), Vol. 13, No. 21, Ed. 1 Friday, September 20, 1996
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
September 20, 1996
Creator:
Vercher, Dennis
Object Type:
Newspaper
System:
The UNT Digital Library
Dallas Voice (Dallas, Tex.), Vol. 13, No. 34, Ed. 1 Friday, December 20, 1996
Weekly newspaper from Dallas, Texas that includes local, state, and national news and advertising of interest to the Lesbian, Gay, Bisexual, and Transgender (LGBT) community.
Date:
December 20, 1996
Creator:
Vercher, Dennis
Object Type:
Newspaper
System:
The UNT Digital Library
Flue gas dry scrubbing using pulsed electron beams
Electron beam dry scrubbing is a technique for removing in a single step both nitrogen oxides (NO{sub x}) and sulfur dioxide (SO{sub 2}) from the off-gas generated by utilities burning high sulfur coal. The use of pulsed electron beams may provide the most cost-effective solution to the implementation of this technique. This paper presents the results of plasma chemistry calculations to study the effect of dose rate, pulse length and pulse repetition rate on pulsed electron beam processing of NO{sub x} and SO{sub 2} in flue gases. The main objective is to determine if the proposed combinations of dose rate, pulse length and pulse repetition rate would have any deleterious effect on the utilization of radicals for pollutant removal. For a dose rate of 2x10{sup 5} megarads per second and a pulse length of 30 nanoseconds, the average dose per pulse is sufficiently low to prevent any deleterious effect on process efficiency because of radical-radical recombination reactions. During each post-pulse period, the radicals are utilized in the oxidation of NO{sub x} and SO{sub 2} in a timescale of around 200 microseconds; thus, with pulse frequencies of around 5 kilohertz or less, the radical concentrations remain sufficiently low to prevent any …
Date:
February 20, 1996
Creator:
Penetrante, B.M.
Object Type:
Report
System:
The UNT Digital Library
Preliminary Observation of Nonlinear Effects in Compton Scattering
In a new experiment at the Final Focus Test Beam at SLAC a low- emittance 46.6 GeV electron beam is brought into collision with terawatt pulses from a 1.06 {mu} wavelength Nd:glass laser. Peak laser intensities of 10{sup 18} W/cm{sup 2} have been achieved corresponding to a value of 0.6 for the parameter {eta} = {ital eE/mw{sub 0}c}, and to a value of 0.3 for the parameter {Upsilon} = {ital E{sup *}/E{sub crit}} = 2{gamma}{ital ehE}/{ital m}{sup 2}{ital c}{sup 3} in the case of frequency doubled laser pulses. In these circumstances an electron that crosses the center of the laser pulse has near unit interaction probability. Signals are presented for multiphoton Compton scattering in which up to 4 laser photons interact with an electron. High energy backscattered photons of GeV energy can interact within the laser focus to create electron- positron pairs; an excess of 15 positrons above a background of 14 was observed in a run of 6,000 laser shots.
Date:
July 20, 1996
Creator:
Bula, Christian; McDonald, K. T.; Prebys, E. J.; Bamber, C.; Boege, S.; Kotseroglou, T. et al.
Object Type:
Article
System:
The UNT Digital Library
(02.2) Scoping experiments; (02.3) long-term corrosion testing and properties evaluation of candidate waste package basket material
The work described in this activity plan addresses Information Need 2.7.3 of the Yucca Mountain Site Characterization Plan (l), which reads Determination that the design criteria in lOCFR60.130 through 60.133 and any appropriate additional design objectives pertaining to criticality control have been met. This work falls under section WBS 1.2.2.5 2 (Basket Materials) of WBS 1.2.2.5 (Waste Package Materials) in the Work Breakdown Structure of the Yucca Mountain Site Characterization Project.
Date:
December 20, 1996
Creator:
VanKonynenburg, R. A.
Object Type:
Report
System:
The UNT Digital Library
Initial studies to assess microbial impacts on nuclear waste disposal
The impacts of the native and introduced bacteria on the performance of geologic nuclear waste disposal facilities should be evaluated because these bacteria could promote corrosion of repository components and alteration of chemical and hydrological properties of the surrounding engineered and rock barriers. As a first step towards investigating these potentialities, native and introduced bacteria obtained from post-construction Yucca Mountain (YM) rock were isolated under varying conditions, including elevated temperature, low nutrient availability, and the absence of available oxygen. Individual isolates are being screened for activities associated with microbially induced corrosion of metals (MIC). Preliminary determination of growth rates of whole YM microbial communities under varying conditions was also undertaken.
Date:
February 20, 1996
Creator:
Horn, J.M.; Meike, A.; McCright, R.D. & Economides, B.
Object Type:
Article
System:
The UNT Digital Library
Power consumption and byproducts in electron beam and electrical discharge processing of volatile organic compounds
Among the new methods being investigated for the post-process reduction of volatile organic compounds (VOCs) in atmospheric-pressure air streams are based on non-thermal plasmas. Electron beam, pulsed corona and dielectric-barrier discharge methods are among the more extensively investigated techniques for producing non-thermal plasmas. In order to apply non-thermal plasmas in an industrial scale, it is important to establish the electrical power requirements and byproducts of the process. In this paper the authors present experimental results using a compact electron beam reactor, a pulsed corona and a dielectric-barrier discharge reactor. They have used these reactors to study the removal of a wide variety of VOCs. The effects of background gas composition and gas temperature on the decomposition chemistry have been studied. They present a description of the reactions that control the efficiency of the plasma process. They have found that pulsed corona and other types of electrical discharge reactors are most suitable only for processes requiring O radicals. For VOCs requiring copious amounts of electrons, ions, N atoms or OH radicals, the use of electron beam reactors is generally the best way of minimizing the electrical power consumption. Electron beam processing is remarkably more effective for all of the VOCs tested. …
Date:
February 20, 1996
Creator:
Penetrante, B.M.; Hsiao, M.C. & Bardsley, J.N.
Object Type:
Report
System:
The UNT Digital Library
A study of multistage/multifunction column for fine particle separation. Quarterly technical progress report, January 1, 1996-- March 31, 1996
The overall objective of the proposed research program is to explore the potential application of a new invention involving a multistage column equipped with vortex-inducing loop-flow contactors (hereafter referred to as the multistage column) for fine coal cleaning process. The research work will identify the design parameters and their effects on the performance of the separation process. The results of this study will provide an engineering basis for further development of this technology in coal cleaning and in the general areas of fluid/particle separation. In the last quarter, we investigated the mixing and loop flow (circulation) behaviors around the contactors. In this quarter, the fine coal beneficiation tests were carried out in the multistage column and conventional column.
Date:
April 20, 1996
Creator:
Chiang, Shiao-Hung
Object Type:
Report
System:
The UNT Digital Library
Feasibility of optimizing recovery and reserves from a mature and geological complex multiple turbidite offshore California reservoir through the drilling and completion of a trilateral horizontal well. Quarterly report, January 1--March 31, 1996
The main objective of this project is to devise an effective re-development strategy to combat producibility problems related to the Repetto turbidite sequences of the Carpinteria Field. The lack of adequate reservoir characterization, high-water cut production, and scaling problems have in the past contributed to the field`s low productivity. To improve productivity and enhance recoverable reserves, the following specific goals are proposed: develop an integrated database of all existing data from work done by the former ownership group; expand reservoir drainage and reduce sand problems through horizontal well drilling and completion; operate and validate reservoir`s conceptual model by incorporating new data from the proposed trilateral well; transfer methodologies employed in geologic modeling and drilling multilateral wells to other operators with similar reservoirs. This report is an overview of the work that has been completed since the prior reporting period and is broken out by task number.
Date:
May 20, 1996
Creator:
Coombs, S.F.
Object Type:
Report
System:
The UNT Digital Library
A program to assess microbial impacts on nuclear waste containment
In this paper we discuss aspects of a comprehensive program to identify and bound potential effects of microorganisms on long-term nuclear waste containment, using as examples, studies conducted within the Yucca Mountain Project. A comprehensive program has been formulated which cuts across standard disciplinary lines to address the specific concerns of microbial activity in a radioactive waste repository. Collectively, this program provides bounding parameters of microbial activities that modify the ambient geochemistry and hydrology, modify corrosion rates, and transport and transform radionuclides under conditions expected to be encountered after geological waste emplacement. This program is intended to provide microbial reaction rates and bounding conditions in a form that can be integrated into existing chemical and hydrological models. The inclusion of microbial effects will allow those models to more accurately assess long term repository integrity.
Date:
February 20, 1996
Creator:
Horn, J. & Meike, A.
Object Type:
Article
System:
The UNT Digital Library
Use of depleted uranium silicate glass to minimize release of radionuclides from spent nuclear fuel waste packages
A Depleted Uranium Silicate Container Backfill System (DUSCOBS) is proposed that would use small, isotopically-depleted uranium silicate glass beads as a backfill material inside repository waste packages containing spent nuclear fuel (SNF). The uranium silicate glass beads would fill the void space inside the package including the coolant channels inside SNF assemblies. Based on preliminary analysis, the following benefits have been identified. DUSCOBS improves repository waste package performance by three mechanisms. First, it reduces the radionuclide releases from SNF when water enters the waste package by creating a local uranium silicate saturated groundwater environment that suppresses (a) the dissolution and/or transformation of uranium dioxide fuel pellets and, hence, (b) the release of radionuclides incorporated into the SNF pellets. Second, the potential for long-term nuclear criticality is reduced by isotopic exchange of enriched uranium in SNF with the depleted uranium (DU) in the glass. Third, the backfill reduces radiation interactions between SNF and the local environment (package and local geology) and thus reduces generation of hydrogen, acids, and other chemicals that degrade the waste package system. Finally, DUSCOBS provides a potential method to dispose of significant quantities of excess DU from uranium enrichment plants at potential economic savings. DUSCOBS is a …
Date:
January 20, 1996
Creator:
Forsberg, Charles W.
Object Type:
Article
System:
The UNT Digital Library
Thermal-hydrological analysis of large-scale thermal tests in the exploratory studies facility at Yucca Mountain
In situ thermal tests, which are to be conducted in the Exploratory Studies Facility (ESF) at Yucca Mountain, will provide a major portion of the experimental basis supporting the validation of coupled thermal-hydrological-geomechanical-geochemicaI (T-H-M-C) process models required to assess the total system performance at the site. With respect to advective rock dryout, we have identified three major T-H flow regimes: (1) throttled, nonbuoyant, advective rock dryout; (2) unthrottled, nonbuoyant, advective rock dryout; and (3) unthrottled, buoyant, advective rock dryout. With the V-TOUGH code, we modeled a range of heater test sizes, heating rates, and heating durations under a range of plausible hydrological conditions to help optimize an in situ thermal test design that provides sufficient information for determining (a) the dominant mode(s) of heat flow, (b) the major T-H regime(s) and processes (such as vapor diffusion) that govern the magnitude and direction of vapor and condensate flow, and (c) the influence of heterogeneous properties and conditions on the flow of heat, vapor, and condensate. For the plate thermal test, which uniformly heats a disk-shaped area, we evaluated a wide range of test areas, ranging from 50 to 5077 m{sup 2}. We evaluated the single-drift thermal test, which consists of a …
Date:
February 20, 1996
Creator:
Buscheck, T. A. & Nitao, J. J.
Object Type:
Report
System:
The UNT Digital Library
A study of multistage/multifunction column for fine particle separation. Quarterly report, 1 October 1995--31 December 1995
The overall purpose of the proposed research program is to explore the potential application of a new invention involving a multistage column equipped with vortex-inducing loop-flow contactors hereafter referred to as (bold the multistage column) for fine coal cleaning process. The research work will identify the design parameters and their effects on the performance of the separation process. The results of this study will provide an engineering basis for further development of this technology in coal cleaning and in the general areas of fluid/particle separation. In the last quarter, the (bold bubble size) measurements were carried out in the conventional column. Also, correlations were developed for results on (bold gas holdup, bubble size and specific interfacial area). In this quarter, we investigated the mixing and loop flow (circulation) behaviors around the contactor.
Date:
January 20, 1996
Creator:
Chiang, Shiao-Hung & Lai, Ralph W.
Object Type:
Report
System:
The UNT Digital Library
Some guidelines for the evaluation of nuclear data
Modern data evaluation methodology draws upon basic principles from statistics. It differs from earlier ad hoc approaches which are completely subjective (e.g., eye guides to data) or are objective in a limited sense (e.g., combinations of reported data by a simple least-squares procedure without regard to correlations in the data errors or a careful scrutiny of the data included in the evaluation). In addition to utilizing more rigorous mathematical procedures, modern evaluation methodology involves taking great care to insure that the data which are being evaluated are equivalent to what has been assumed in the evaluation model and that the values are consistent with respect to the use of standards and other fundamental physical parameters. This short memorandum cannot substitute for more comprehensive treatments o the subject such as can be found in the listed references. The intent here is to provide an overview of the topic and to impress upon the reader that the evaluation of data of any sort is not a straightforward enterprise. Certainly evaluations cannot be carried out automatically with computer codes without considerable intervention on the part of the evaluator.
Date:
March 20, 1996
Creator:
Smith, D. L.
Object Type:
Report
System:
The UNT Digital Library
The corrosion of aluminum-clad spent nuclear fuel in wet basin storage
Large quantities of Defense related spent nuclear fuels are being stored in water basins around the United States. Under the non-proliferation policy, there has been no processing since the late 1980`s and these fuels are caught in the pipeline awaiting stabilization or other disposition. At the Savannah River Site, over 200 metric tons of aluminum clad fuel are being stored in four water filled basins. Some of this fuel has experienced visible pitting corrosion. An intensive effort is underway at SRS to understand the corrosion problems and to improve the basin storage conditions for extended storage requirements. Significant improvements have been accomplished during 1993-1996. This paper presents a discussion of the fundamentals of aluminum alloy corrosion as it pertains to the wet storage of spent nuclear fuel. It examines the effects of variables on corrosion in the storage environment and presents the results of corrosion surveillance testing activities at SRS, as well as discussions of fuel storage basins at other production sites of the Department of Energy.
Date:
February 20, 1996
Creator:
Howell, J. P. & Burke, S. D.
Object Type:
Report
System:
The UNT Digital Library
Synthesis of acrylates. [Quarterly report], January 1, 1996--March 31, 1996
The objective is to develop an oxidation/condensation route for synthesis of acrylates/methacrylates from syngas. The investigators are also studying the dehydrogenation-condensation routes, based on its merits proven by studies at NCSU/RTI. The thermodynamics of dehydrogenaton-condensation route show its feasibility, and it is likely that the fluid will be more stable under reducing conditions. Accomplishments for the past quarter are discussed for the following tasks: proprionate synthesis; condensation catalysis; and slurry reactor studies. Some of the highlights are: Eastman has developed an improved catalyst system for the Mo-catalyzed carbonization of ethylene which accelerates the process by 1.5-3 fold. Bechtel has developed the preliminary cost estimates for a conceptual process design to produce proprionic anhydrite via ethylene carbonylation; RTI has continued to further discern the acid-base properties of the two best catalysts (V-Si-Pt 1:10:2.8 and 10% Ta/NALCO 1034-A) for condensation of proprionic anhydride and formaldehyde to give the maximum yield of methacrylic acid.
Date:
April 20, 1996
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Security Equipment and Systems Certification Program (SESCP)
Sandia National Laboratories (SNL) and Underwriters Laboratories, Inc., (UL) have jointly established the Security Equipment and Systems Certification Program (SESCP). The goal of this program is to enhance industrial and national security by providing a nationally recognized method for making informed selection and use decisions when buying security equipment and systems. The SESCP will provide a coordinated structure for private and governmental security standardization review. Members will participate in meetings to identify security problems, develop ad-hoc subcommittees (as needed) to address these identified problems, and to maintain a communications network that encourages a meaningful exchange of ideas. This program will enhance national security by providing improved security equipment and security systems based on consistent, reliable standards and certification programs.
Date:
June 20, 1996
Creator:
Steele, B. J. & Papier, I. I.
Object Type:
Article
System:
The UNT Digital Library
Fundamental mechanisms in flue gas conditioning. Final report
The US Department of Energy`s Pittsburgh Energy Technology Center (DOE/PETC) initiated this project as part of a program to study the control of fine particles from coal combustion. Our project focus was flue gas conditioning. Various conditioning processes have lowered operating costs and increased collection efficiency at utility particulate control devices. By improving fine particle collection, flue gas conditioning also helps to control the emission of toxic metals, which are concentrated in the fine particle fraction. By combining a review of pertinent literature, laboratory characterization of a variety of fine powders and ashes, pilot-scale studies of conditioning mechanisms, and field experiences, Southern Research Institute has been able to describe many of the key processes that account for the effects that conditioning can have on fine-particle collection. The overall goal of this research project was to explain the mechanisms by which various flue gas conditioning processes alter the performance of particulate control devices. Conditioning involves the modification of one or more of the parameters that determine the magnitude of the forces acting on the fly ash particles. Resistivity, chemistry, cohesivity, size distribution, and particle morphology are among the basic properties of fly ash that significantly influence fine particle collection. Modifications of …
Date:
March 20, 1996
Creator:
Snyder, T. R.; Bush, P. V. & Dahlin, R. S.
Object Type:
Report
System:
The UNT Digital Library
GPHS-RTGs in support of the Cassini mission. Semi annual technical progress report, 2 October 1995--31 March 1996
The technical progress achieved during the period 2 October 1995 through 31 March 1996 on Contract No. DE-AC03-91SF18852, Radioisotope Generators and Ancillary Activities is described herein. This report is organized by the program task structure as follows: spacecraft integration and liaison; engineering support; safety; qualified unicouple fabrication; ETG fabrication, assembly, and test; ground support equipment (GSE); RTG shipping and launch support; designs, reviews, and mission applications; project management, quality assurance and reliability, contract changes, non-capital CAGO acquisition, and CAGO maintenance; contract acquired government-owned property (CAGO) acquisition; and program calendars.
Date:
April 20, 1996
Creator:
unknown
Object Type:
Report
System:
The UNT Digital Library
Incident analysis report
This document presents information about a fire that occurred in January 1996 at Lawrence Livermore National Laboratory. This fire was caused by the spontaneous combustion of 100% fuming nitric acid. Topics discussed include: Summary of the incident; technical background; procedural background; supervision; previous incidents with 100% fuming nitric acid; and judgment of potential hazards.
Date:
February 20, 1996
Creator:
Gregg, D.W.; Buerer, A. & Leeds, S.
Object Type:
Report
System:
The UNT Digital Library
The utilization of the microflora indigenous to and present in oil-bearing formations to selectively plug the more porous zones thereby increasing oil recovery during waterflooding. Ninth quarterly progress report, January 1--March 31, 1996
The objective of this work is to demonstrate the use of indigenous microbes as a method of profile control in waterfloods. It is expected that as the microbial population is induced to increase, that the expanded biomass will selectively block the more permeable zones of the reservoir thereby forcing injection water to flow through the less permeable zones which will result in improved sweep efficiency. This increase in microbial population will be accomplished by injecting a nutrient solution into four injectors. Four other injectors will act as control wells. During Phase 1, two wells will be cored through the zone of interest. The core will be subjected to special core analyses in order to arrive at the optimum nutrient formulation. During Phase 2, nutrient injection will begin, the results monitored, and adjustments to the nutrient composition made, if necessary. Phase 2 also will include the drilling of three wells for post-mortem core analysis. Phase 3 will focus on technology transfer of the results. It should be pointed out that one expected outcome of this new technology will be a prolongation of economical waterflooding operations, i.e. economical oil recovery should continue for much longer periods in the producing wells subjected to …
Date:
April 20, 1996
Creator:
Brown, L.R. & Vadie, A.A.
Object Type:
Report
System:
The UNT Digital Library