ACDOS3: a further improved neutron dose-rate code (open access)

ACDOS3: a further improved neutron dose-rate code

ACD0S3 is a computer code designed primarily to calculate the activities and dose rates produced by neutron activation in a variety of simple geometries. Neutron fluxes, in up to 50 groups and with energies up to 20 MeV, must be supplied as part of the input data. The neutron-source strength must also be supplied, or alternately, the code will compute it from neutral-beam operating parameters in the case where the source is a fusion-reactor injector. ACD0S3 differs from the previous version ACD0S2 in that additional geometries have been added, the neutron cross-section library has been updated, an estimate of the energy deposited by neutron reactions has been provided, and a significant increase in efficiency in reading the data libraries has been incorporated.
Date: July 1, 1982
Creator: Martin, C.S.
Object Type: Report
System: The UNT Digital Library
ACTVE News, Volume 13, Number 7, July 1982 (open access)

ACTVE News, Volume 13, Number 7, July 1982

Newsletter issued by the Advisory Council for Technical-Vocational Education in Texas discussing news, events, and other relevant information related to technical and vocational education for adults in Texas.
Date: July 1982
Creator: Advisory Council for Technical-Vocational Education in Texas
Object Type: Journal/Magazine/Newsletter
System: The Portal to Texas History
Airborne-temperature-survey maps of heat-flow anomalies for exploration geology (open access)

Airborne-temperature-survey maps of heat-flow anomalies for exploration geology

Airborne temperature surveys were used to depict the small surface temperature differences related to heat flow anomalies. Zones with conductive heat flow differences of 45 +- 16 ..mu..cal/cm/sup 2/(s) had predawn surface temperature differences of 1.4 +- 0.3/sup 0/C. Airborne temperature surveys were coordinated with field temperature surveys at Long Valley, California, the site of a known geothermal resource area. The airborne temperature surveys recorded redundant, predawn temperatures at two wavelengths and at two elevations. Overall temperature corrections were determined by calibrating dry soil surface temperatures with thermistor probes. The probes measured air and soil temperatures within 2 cm of the surface, every twenty minutes, during the survey overflights.
Date: July 9, 1982
Creator: Del Grande, N.K.
Object Type: Article
System: The UNT Digital Library
Analysis of sawtooth relaxation oscillations in tokamaks (open access)

Analysis of sawtooth relaxation oscillations in tokamaks

Sawtooth relaxation oscillations are analyzed using the Kadomtsev's disruption model and a thermal relaxation model. The sawtooth period is found to be very sensitive to the thermal conduction loss. Qualitative agreement between these calculations and the sawtooth period observed in several tokamaks is demonstrated.
Date: July 1, 1982
Creator: Yamazaki, K.; McGuire, K. & Okabayashi, M.
Object Type: Report
System: The UNT Digital Library
Application of fast infrared detectors to detonation science (open access)

Application of fast infrared detectors to detonation science

Infrared radiometers have been used to make time-resolved emission measurements of shocked explosives. Instruments of moderate time resolution were used to estimate temperatures in shocked but not detonated explosives. The heterogeneity of the shock-induced heating was discovered in pressed explosives by two-band techniques, and the time-resolved emittance or extent of hot spot coverage indicated a great dependence on shock pressures. Temperatures in moderately shocked organic liquids were also measured. Faster response radiometers with 5 ns rise times based on InSb and HgCdTe photovoltaic detectors were constructed and tested. Preliminary data on reactive shocks and detonations reveal a resolution of the heating in the shock wave and the following reaction.
Date: July 28, 1982
Creator: Von Holle, W. G. & McWilliams, R. A.
Object Type: Article
System: The UNT Digital Library
Application of the Green's function method to some nonlinear problems of an electron storage ring: Part 1, The Green's function for the Fokker-Planck equation (open access)

Application of the Green's function method to some nonlinear problems of an electron storage ring: Part 1, The Green's function for the Fokker-Planck equation

For an electron storage ring the beam size evaluation including beam-beam interaction gives an example of such a problem. Another good example is finding the beam size for a nonlinear machine. The present work gives a way to solve some of these problems, at least in principle. The approach described here is an application of the well known Green's function method, which in this case is applied to the Fokker-Planck equation governing the distribution function in the phase space of particle motion. The new step made in this paper is to consider the particle motion in two degrees of freedom rather than in one dimension, a characteristic of all the previous work. This step seems to be necessary for an adequate description of the problem, at least for the class of problems which are considered below. This work consists of the formal solution of the Fokker-Planck equation in terms of its Green's function and describing the Green's function itself. The Green's function and the description of some of its properties can be found in the Appendices. I discuss the distribution function in the transverse phase space of a particle and it's Fokker-Planck equation for a simple case of a weak …
Date: July 1, 1982
Creator: Kheifets, S.
Object Type: Report
System: The UNT Digital Library
Application of Two-time Methods in Stellar Pulsations (open access)

Application of Two-time Methods in Stellar Pulsations

The method of two-time expansions is extended to include the effects of the outer, non-adiabatic layers in stellar pulsation. The evolution of pulsating stellar models can be examined, including the approach to limit cycle behavior. The method is demonstrated by a calculation of the eigenvectors for a ..beta.. Cepheid model. It is argued that the method is promising as a practical tool for treating the approach to limiting oscillations, as well as resonant and multimode behavior.
Date: July 28, 1982
Creator: Pesnell, W. Dean; Regev, Oded & Buchler, J. Robert
Object Type: Article
System: The UNT Digital Library
Assessment of microbial processes on radionuclide mobility in shallow land burial. [West Valley, NY; Beatty, Nevada; Maxey Flats, Kentucky] (open access)

Assessment of microbial processes on radionuclide mobility in shallow land burial. [West Valley, NY; Beatty, Nevada; Maxey Flats, Kentucky]

The impact of microbial metabolism of the organic substituents of low level radioactive wastes on radionuclide mobility in disposal sites, the nature of the microbial transformations involved in this metabolism and the effect of the prevailing environmental parameters on the quantities and types of metabolic intermediates accumulated were examined. Since both aerobic and anaerobic periods can occur during trench ecosystem development, oxidation capacities of the microbial community in the presence and absence of oxygen were analyzed. Results of gas studies performed at three commercial low level radioactive waste disposal sites were reviewed. Several deficiencies in available data were determined. Further research needs are suggested. This assessment has demonstrated that the biochemical capabilities expressed within the low level radioactive waste disposal site are common to a wide variety of soil bacteria. Hence, assuming trenches would not be placed in sites with such extreme abiotic conditions that all microbial activity is precluded, the microbial populations needed for colonization and decomposition of the organic waste substances are readily provided from the waste itself and from the soil of existing and any proposed disposal sites. Indeed, considering the ubiquity of occurrence of the microorganisms responsible for waste decomposition and the chemical nature of the …
Date: July 1, 1982
Creator: Colombo, P.; Tate, R.L. III & Weiss, A.J.
Object Type: Report
System: The UNT Digital Library
An Assessment of second-generation compressed-air energy-storage concepts (open access)

An Assessment of second-generation compressed-air energy-storage concepts

The Pacific Northwest Laboratory (PNL) conducted an assessment of the adiabatic compressed air energy storage (CAES), hybrid CAES, CAES with coal gasification, and CAES with pressurized fluidized bed combustion concepts based on information provided in conceptual design studies. The PNL assessment covered consideration of the technological readiness, relative economic benefits, and operational viability of each concept. It was concluded that the adiabatic CAES concept appears to be the most attractive candidate for utility application in the near future. It is operationally viable, economically attractive compared with competing concepts, and will require relatively little additional development before plant construction can be undertaken. It was estimated that a utility could start the design of a demonstration plant in 2 to 3 years if research regarding thermal energy storage system design is undertaken in a timely manner. The hybrid CAES concept should also be considered as a candidate for early application. It is similarly operationally viable and close to readiness; however, it is less economically attractive. The hybrid CAES concept has a more favorable charging ratio, which may increase its attractiveness in comparison to adiabatic CAES for some utilities.
Date: July 1, 1982
Creator: Zaloudek, F.R. & Reilly, R.W.
Object Type: Report
System: The UNT Digital Library
Behavior of nuclei at high angular momentum (open access)

Behavior of nuclei at high angular momentum

The present report begins with a brief overview of nuclear shapes and level structures at high-spin values. The new spectroscopy associated with angular-momentum alignments is described, and some of the exciting possibilities of this spectroscopy are explored. Nuclear moments of inertia are discussed and a somewhat different one is defined, together with a method for measuring it and some early results. Finally a few comments on the future prospects for high-spin physics are offered.
Date: July 1, 1982
Creator: Stephens, F.S.
Object Type: Article
System: The UNT Digital Library
Bench Marks for School District Budgets in Texas: 1982 (open access)

Bench Marks for School District Budgets in Texas: 1982

Annual statistical report suggesting benchmarks for school budgeting based on financial, personnel, and taxing information submitted by local school districts to state agencies.
Date: July 1982
Creator: Texas Research League
Object Type: Report
System: The Portal to Texas History
Bubble-chamber experiments on charmed-particle lifetimes (open access)

Bubble-chamber experiments on charmed-particle lifetimes

The three current bubble-chamber experiments on charmed-particle lifetimes are compared. Their most recently released results are discussed.
Date: July 1, 1982
Creator: Field, R.C.
Object Type: Article
System: The UNT Digital Library
Busing for School Desegregation (open access)

Busing for School Desegregation

The mandatory transportation of school children to desegregate public elementary and secondary schools is an issue of deep contention throughout our society. The House of Representatives has approved language for the Department of Justice FY82 authorization bill (H.R. 3462) restricting the Department's involvement in actions requiring school busing. On Mar. 2, 1962, t h e Senate approved the version of the Department of Justice F Y 8 2 authorization Bill (S. 951) with language restricting the Justice Department's involvement in busing actions as well as imposing limits on the busing plans Federal courts can impose. S. 551 was then sent to the House for consideration. Hearings on S. 951 before a house Judiciary subcommittee began on June 1'7, 1982.
Date: July 8, 1982
Creator: Stedman, James B.
Object Type: Report
System: The UNT Digital Library
Calibration of a photometer for measurement of the cosmic microwave background (open access)

Calibration of a photometer for measurement of the cosmic microwave background

In this paper we describe the calibration of a photometer designed to measure the cosmic microwave background radiation in the frequency range from 3 to 10 cm/sup -1/. The general problem of absolute calibration for such measurements is discussed. The design of a new experiment which is different in most important respects from the Woody-Richards experimentis then presented. A mathematical model of the calibration procedure is developed which includes an analysis of ways in which the procedure can fail to give accurate results.
Date: July 1, 1982
Creator: Bonomo, J.L.; Peterson, J.B.; Richards, P.L. & Timusk, T.
Object Type: Article
System: The UNT Digital Library
Candidate wind turbine generator site: annual data summary, January 1981-December 1981 (open access)

Candidate wind turbine generator site: annual data summary, January 1981-December 1981

Summarized hourly meteorological data for 34 candidate and wind turbine generator sites for calendar year 1981 are presented. These data are collected for the purpose of evaluating the wind energy potential at these sites and are used to assist in selection of potential sites for installation and testing of large wind turbines in electric utility systems. For each site, wind speed, direction, and distribution data are given in eight tables. Use of information from these tables, with information about specific wind turbines, should allow the user to estimate the potential for wind energy production at each site.
Date: July 1, 1982
Creator: Sandusky, W. F.; Buck, J. W.; Renne, D. S.; Hadley, D. L. & Abbey, O. B.
Object Type: Report
System: The UNT Digital Library
Carbon dioxide-krypton separation and radon removal from nuclear-fuel-reprocessing off-gas streams (open access)

Carbon dioxide-krypton separation and radon removal from nuclear-fuel-reprocessing off-gas streams

General Atomic Company (GA) is conducting pilot-plant-scale tests that simulate the treatment of radioactive and other noxious volatile and gaseous constituents of off-gas streams from nuclear reprocessing plants. This paper reports the results of engineering-scale tests performed on the CO/sub 2//krypton separation and radon holdup/decay subsystems of the GA integrated off-gas treatment system. Separation of CO/sub 2/ from krypton-containing gas streams is necessary to facilitate subsequent waste processing and krypton storage. Molecular sieve 5A achieved this separation in dissolver off-gas streams containing relatively low krypton and CO/sub 2/ concentrations and in krypton-rich product streams from processes such as the krypton absorption in liquid carbon dioxide (KALC) process. The CO/sub 2//krypton separation unit is a 30.5-cm-diameter x 1.8-m-long column containing molecular sieve 5A. The loading capacity for CO/sub 2/ was determined for gas mixtures containing 250 ppM to 2.2% CO/sub 2/ and 170 to 750 ppM krypton in either N/sub 2/ or air. Gas streams rich in CO/sub 2/ were diluted with N/sub 2/ to reduce the temperature rise from the heat of adsorption, which would otherwise affect loading capacity. The effluent CO/sub 2/ concentration prior to breakthrough was less than 10 ppM, and the adsorption capacity for krypton was negligible. …
Date: July 1, 1982
Creator: Hirsch, P. M.; Higuchi, K. Y. & Abraham, L.
Object Type: Article
System: The UNT Digital Library
Central airport energy systems using alternate energy sources (open access)

Central airport energy systems using alternate energy sources

The purpose of this project was to develop the concept of a central airport energy system designed to supply energy for aircraft ground support and terminal complex utility systems using municipal waste as a fuel. The major task was to estimate the potential for reducing aircraft and terminal fuel consumption by the use of alternate renewable energy sources. Additional efforts included an assessment of indirect benefits of reducing airport atmospheric and noise pollution.
Date: July 1, 1982
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Cerro Prieto geothermal field: exploration during exploitation (open access)

Cerro Prieto geothermal field: exploration during exploitation

Geological investigations at Momotombo included photogeology, field mapping, binocular microscope examination of cuttings, and drillhole correlations. Among the geophysical techniques used to investigate the field sub-structure were: Schlumberger and electromagnetic soundings, dipole mapping and audio-magnetotelluric surveys, gravity and magnetic measurements, frequency domain soundings, self-potential surveys, and subsurface temperature determinations. The geochemical program analyzed the thermal fluids of the surface and in the wells. The description and results of exploration methods used during the investigative stages of the Momotombo Geothermal Field are presented. A conceptual model of the geothermal field was drawn from the information available at each exploration phase. The exploration methods have been evaluated with respect to their contributions to the understanding of the field and their utilization in planning further development.
Date: July 1, 1982
Creator: unknown
Object Type: Report
System: The UNT Digital Library
Characteristics of A-150 plastic-equivalent gas in A-150 plastic ionization chambers for p(66)Be(49) neutrons (open access)

Characteristics of A-150 plastic-equivalent gas in A-150 plastic ionization chambers for p(66)Be(49) neutrons

The evaluation of a gas mixture having an atomic composition similar to that of A-150 TE-plastic has been extended to a high energy neutron therapy beam. A-150 gas, air and methane-based TE gas were each flowed through A-150 plastic-walled ion chambers of different sizes and irradiated with p(66)Be(49) neutrons. A tentative value for anti W(A-150) of 27.3 +- 0.5 J C/sup -1/ was derived for this beam. The anti W value of the A-150 gas mixture is compared to those of methane-based TE gas and of air for the p(66)Be(49) neutron beam as well as to corresponding values found in similar experiments using 14.8 MeV monoenergetic neutrons. 17 references, 3 figures, 3 tables.
Date: July 8, 1982
Creator: Awschalom, M.; Rosenberg, I.; Ten Haken, R. K.; Pearson, D. W.; Attix, F. H. & DeLuca, P. M.
Object Type: Report
System: The UNT Digital Library
Characterization methods for ultrasonic test systems (open access)

Characterization methods for ultrasonic test systems

Methods for the characterization of ultrasonic transducers (search units) and instruments are presented. The instrument system is considered as three separate components consisting of a transducer, a receiver-display, and a pulser. The operation of each component is assessed independently. The methods presented were chosen because they provide the greatest amount of information about component operation and were not chosen based upon such conditions as cost, ease of operation, field implementation, etc. The results of evaluating a number of commercially available ultrasonic test instruments are presented.
Date: July 1, 1982
Creator: Busse, L. J.; Becker, F. L.; Bowey, R. E.; Doctor, S. R.; Gribble, R. P. & Posakony, G. J.
Object Type: Report
System: The UNT Digital Library
Chemical characterization and genotoxic potential related to boiling point for fractionally distilled SRC-I coal liquids (open access)

Chemical characterization and genotoxic potential related to boiling point for fractionally distilled SRC-I coal liquids

This report summarizes selected research efforts oriented toward ameliorating the genotoxic potential of direct coal liquefaction materials through modification or optimization of process conditions. The studies described were conducted to evaluate the utility of optimized distillation for coal liquids from the SRC-I process. SRC-I process solvent was distilled into 50/sup 0/F-range boiling point (bp) cuts. Analysis of amino-PAH (APAH) showed that mutagenic APAHs containing 3 or more rings were found primarily in fractions boiling above 750/sup 0/F. Three microbial tester strains were used to screen for genetically active agents in the SRC-I distillate bp cuts. Reverse mutation with the Ames tester strain TA98 demonstrated that mutagens were concentrated in the bp cuts boiling above 700/sup 0/F. For this tester strain most of the genetic activity in these distillates was attributable to chemical fractions enriched in APAH having 3 or more rings. Mutagenicity data obtained with TA98 was in good agreement with sk in carcinogenesis results from the mouse-skin initiation/promotion (in vivo) test system. The strongest response in the forward mutation assay did not occur in the most carcinogenically active fractions. Results of initiation/promotion experiments used to measure the relative potency of bp cuts as initiators of mouse skin carcinogenesis again …
Date: July 1, 1982
Creator: Wilson, B. W.; Pelroy, R. A. & Mahlum, D. D.
Object Type: Report
System: The UNT Digital Library
Chemical damage due to drilling operations (open access)

Chemical damage due to drilling operations

The drilling of geothermal wells can result in near wellbore damage of both the injection wells and production wells if proper precautions are not taken. Very little specific information on the chemical causes for drilling damage that can directly be applied to the drilling of a geothermal well in a given situation is available in the literature. As part of the present work, the sparse literature references related to the chemical aspects of drilling damage are reviewed. The various sources of chemically induced drilling damages that are related to drilling operations are summarized. Various means of minimizing these chemical damages during and after the drilling of a geothermal well are suggested also.
Date: July 14, 1982
Creator: Vetter, O.J. & Kandarpa, V.
Object Type: Report
System: The UNT Digital Library
Collision of fast highly charged ions in gas targets: ionization, recoil-ion production, and charge transfer (open access)

Collision of fast highly charged ions in gas targets: ionization, recoil-ion production, and charge transfer

Electron-capture, ionization, and recoil-ion-production cross sections are measured and calculated for fast highly charged projectiles in hydrogen and rare-gas targets. Recoil-ion-production cross sections are found to be large; the low energy and high charge states of the recoil ions make them useful for subsequent collision studies.
Date: July 1, 1982
Creator: Schalchter, A.S.; Berkner, K.H. & Beyer, H.F.
Object Type: Article
System: The UNT Digital Library
Comparative Safety Analysis of LNG Storage Tanks (open access)

Comparative Safety Analysis of LNG Storage Tanks

LNG storage tank design and response to selected release scenarios were reviewed. The selection of the scenarios was based on an investigation of potential hazards as cited in the literature. A review of the structure of specific LNG storage facilities is given. Scenarios initially addressed included those that most likely emerge from the tank facility itself: conditions of overfill and overflow as related to liquid LNG content levels; over/underpressurization at respective tank vapor pressure boundaries; subsidence of bearing soil below tank foundations; and crack propagation in tank walls due to possible exposure of structural material to cryogenic temperatures. Additional scenarios addressed include those that result from external events: tornado induced winds and pressure drops; exterior tank missile impact with tornado winds and rotating machinery being the investigated mode of generation; thermal response due to adjacent fire conditions; and tank response due to intense seismic activity. Applicability of each scenario depended heavily on the specific tank configurations and material types selected. (PSB)
Date: July 1, 1982
Creator: Fecht, B. A.; Gates, T. E.; Nelson, K. O. & Marr, G. D.
Object Type: Report
System: The UNT Digital Library