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Geothermal Injection Monitoring Project. Phase I status report, April 1981-April 1982

Description: The feasibility of using remote geophysical techniques to monitor the movement of injected brine has been evaluated. It was established that no single approach is likely to be identified that can be used to accurately monitor the precise location of the injected fluid. Several approaches have been considered in parallel because they add new dimensions to the existing monitoring capabilities, and are likely to cover a range of applications at a variety of geothermal sites. These include: microse… more
Date: August 13, 1982
Creator: Younker, L.; Hanson, J.; Didwall, E.; Kasameyer, P.; Smith, A.; Hearst, J. et al.
Partner: UNT Libraries Government Documents Department
open access

Plasma Separation Process: Betacell (BCELL) code: User's manual. [Bipolar barrier junction]

Description: The emergence of clearly defined applications for (small or large) amounts of long-life and reliable power sources has given the design and production of betavoltaic systems a new life. Moreover, because of the availability of the plasma separation program, (PSP) at TRW, it is now possible to separate the most desirable radioisotopes for betacell power generating devices. A computer code, named BCELL, has been developed to model the betavoltaic concept by utilizing the available up-to-date sour… more
Date: November 13, 1987
Creator: Taherzadeh, M.
Partner: UNT Libraries Government Documents Department
open access

Capital requirements for the transportation of energy materials: 1979 ARC estimates. Draft final report

Description: This report contains TERA's estimates of capital requirements to transport natural gas, crude oil, petroleum products, and coal in the United States by 1990. The low, medium, and high world-oil-price scenarios from the EIA's Mid-range Energy Forecasting System (MEFS), as used in the 1979 Annual Report to Congress (ARC), were provided as a basis for the analysis and represent three alternative futures. TERA's approach varies by energy commodity to make best use of the information and analytical … more
Date: August 13, 1980
Partner: UNT Libraries Government Documents Department
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Annular air space effects on nuclear waste canister temperatures in a deep geologic waste repository

Description: Air spaces in a deep geologic repository for nuclear high level waste will have an important effect on the long-term performance of the waste package. The important temperature effects of an annular air gap surrounding a high level waste canister are determined through 3-D numerical modeling. Air gap properties and parameters specifically analyzed and presented are the air gap size, surfaces emissivity, presence of a sleeve, and initial thermal power generation rate; particular emphasis was pla… more
Date: May 13, 1980
Creator: Lowry, W.E.; Cheung, H. & Davis, B.W.
Partner: UNT Libraries Government Documents Department
open access

Neutral beam injector for 475 keV MARS sloshing ions

Description: A neutral beam injector system which produces 5 MW of 475 keV D/sup 0/ neutrals continuously on target has been designed. The beamline is intended to produce the sloshing ion distribution required in the end plug region of the conceptual MARS tandem mirror commercial reactor. The injector design utilizes the LBL self-extraction negative ion source and Transverse Field Focusing (TFF) accelerator to generate a long, ribbon ion beam. A laser photodetachment neutralizer strips over 90% of the negat… more
Date: December 13, 1983
Creator: Goebel, D.M. & Hamilton, G.W.
Partner: UNT Libraries Government Documents Department
open access

Thermal properties measurements on rocksalt samples from the site of the proposed Waste Isolation Pilot Plant

Description: Thermal conductivity, thermal expansion, and specific heat measurements have been made on a number of specimens. The specific heat measurements were made by differential scanning calorimetry and the results showed that the specific heats of both clean rocksalt samples and of dirty samples with less than or equal to 7% insoluble impurities were essentially identical to the published specific heat for pure NaCl. In the thermal expansion measurements, two distinct groups of samples were identified… more
Date: May 13, 1980
Creator: Sweet, J. N. & McCreight, J. E.
Partner: UNT Libraries Government Documents Department
open access

Modeling beam-front dynamics at low gas pressures

Description: The dynamics of space charge neutralization at the front of an intense self-focused electron beam pulse exhibits important differences in different gas pressure regimes. At very low pressures, the beam front is in the so-called ion-focused regime (IFR) where all secondary electrons are expelled from the beam region by the radial electric field without causing significant additional ionization. We estimate the upper pressure boundary of this regime by considering the distance scale length for ca… more
Date: May 13, 1982
Creator: Briggs, R. J. & Yu, S.
Partner: UNT Libraries Government Documents Department
open access

Technical evaluation report on the proposed design modifications and technical specification changes on grid voltage degradation for the Millstone Nuclear Power Station, Unit 1

Description: This report documents the technical evaluation of the proposed design modifications and Technical Specification change for protection of Class 1E equipment from grid voltage degradation for the Millstone Nuclear Power Station, Unit 1. The review criteria are based on several IEEE standards and the Code of Federal Regulations. The evaluation finds that the licensee has not provided sufficient information on the undervoltage protection system to allow a complete evaluation into the adequacy of pr… more
Date: May 13, 1982
Creator: Selan, J.C.
Partner: UNT Libraries Government Documents Department
open access

Mathematical modeling and economic analysis of membrane separation of hydrogen from gasifier synthesis gas

Description: Investigators are studying hydrogen purification by membrane technology as a means to make the coal-to-hydrogen route economically attractive. To allow prediction of membrane performance and to facilitate comparisons between membrane and other technologies (cryogenic distillation, pressure swing adsorption), they developed a mathematical model to describe the permeation process inside a membrane module. The results of this model were compared with available experimental data (separation of CO{s… more
Date: October 13, 1988
Creator: Roberts, D.L. & Gottschlich, D.E.
Partner: UNT Libraries Government Documents Department
open access

Development of residential-conservation-survey methodology for the US Air Force. Interim report. Task two

Description: A US Air Force (USAF) Residential Energy Conservation Methodology was developed to compare USAF needs and available data to the procedures of the Residential Conservation Service (RCS) program as developed for general use by utility companies serving civilian customers. Attention was given to the data implications related to group housing, climatic data requirements, life-cycle cost analysis, energy saving modifications beyond those covered by RCS, and methods for utilizing existing energy cons… more
Date: November 13, 1981
Creator: Abrams, D. W.; Hartman, T. L. & Lau, A. S.
Partner: UNT Libraries Government Documents Department
open access

Ventilating-air change rate versus particulate contaminant spread

Description: This study provides information on the spread of particulate contamination from glovebox leaks in plutonium manufacturing facilities, with emphasis on the effect of ventilating-air change rate on contaminated spread. A new, very sensitive aerosol tracer technique was developed to simulate plutonium aerosol leaks and its dispersion in a room. The tracer, a submicron aerosol of phloroglucinol, does not interfere with work activity and is detected by its ability to form ice crystals in a supercool… more
Date: November 13, 1987
Creator: Langer, G. & Deitesfeld, C. A.
Partner: UNT Libraries Government Documents Department
open access

Fission-product SiC reaction in HTGR fuel

Description: The primary barrier to release of fission product from any of the fuel types into the primary circuit of the HTGR are the coatings on the fuel particles. Both pyrolytic carbon and silicon carbide coatings are very effective in retaining fission gases under normal operating conditions. One of the possible performance limitations which has been observed in irradiation tests of TRISO fuel is chemical interaction of the SiC layer with fission products. This reaction reduces the thickness of the SiC… more
Date: July 13, 1981
Creator: Montgomery, F.
Partner: UNT Libraries Government Documents Department
open access

Plutonium-aerosol emission rates and potential inhalation exposure during cleanup and treatment test at Area 11, Nevada Test Site

Description: A Cleanup and Treatment (CAT) test was conducted in 1981 at Area 11, Nevada Test Site. Its purpose was to evaluate the effectiveness of using a large truck-mounted vacuum cleaner similar to those used to clean paved streets for cleaning radiological contamination from the surface of desert soils. We found that four passes with the vehicle removed 97% of the alpha contamination and reduced resuspension by 99.3 to 99.7%. Potential exposure to cleanup workers was slight when compared to natural ba… more
Date: August 13, 1985
Creator: Shinn, J.H. & Homan, D.N.
Partner: UNT Libraries Government Documents Department
open access

Effect of low /sup 60/Co dose rates on sister chromatid exchange incidence in the benthic worm. Neanthes arenaceodentata

Description: The usefulness of sister chromatid exchange (SCE) induction as a measure of low-level radiation effect was examined in a benthic marine worm, Neanthes arenaceodentata. Larvae were exposed to /sup 60/Co radiation for 12 to 24 h at total doses ranging from 0.5 to 309 R and at dose rates from 0.04 to 13 R/h. Animals exposed at intermediate dose rates (0.5, 0.6, 1.25, 2.0, and 2.5 R/h) had SCE frequencies per chromosome about twice that of those receiving no radiation (controls), whereas those expo… more
Date: October 13, 1981
Creator: Harrison, F.L. & Rice, D.W. Jr.
Partner: UNT Libraries Government Documents Department
open access

Extrapolation algorithms and their use for the evaluation of beam-beam effects on the motion and polarization of particles in storage rings

Description: A proposal of using extrapolation algorithms as an analytical - numerical tool for the evaluation of the beam-beam effects in storage rings is formulated. These algorithms already known to experts of Applied Mathematics are described in some detail. Physical models for the beam-beam interaction effects on betatron motion and polarization of a test particle are discussed and put in such a form to allow the application of the extrapolation algorithms.
Date: October 13, 1981
Creator: Pusterla, M.
Partner: UNT Libraries Government Documents Department
open access

Hot-dry-rock energy: review of environmental aspects

Description: The potential environmental and socioeconomic impacts of the production of energy contained in hot dry rock (HDR) is surveyed here. In general, careful siting and timing and routine control measures should be adequate to prevent significant environmental harm; sites of particular ecological or visual and recreational value, however, may require more extensive (and more expensive) precautions such as using multiwell pads to reduce land disturbance and dry or wet and dry cooling towers to reduce … more
Date: October 13, 1981
Creator: O'Banion, K.
Partner: UNT Libraries Government Documents Department
open access

Quark search at the CBA

Description: An experiment to search for quarks at the CBA is described. The cross sections for the production of massive quark-antiquark pairs in nucleon-nucleon interactions is estimated, and the experimental design and procedures are described. (WHK)
Date: March 13, 1983
Creator: Larsen, R.C.; Leipuner, L.B.; Morse, W.M.; Adair, R.K.; Kasha, H. & Schmidt, M.P.
Partner: UNT Libraries Government Documents Department
open access

Preliminary evaluation of neutron capture cross sections for /sup 144/Sm, /sup 145/Sm and /sup 145/Pm

Description: We have made preliminary neutron-capture cross-section calculations of the Hauser-Feshbach type for the isotopes /sup 144/Sm, /sup 145/Sm, and /sup 145/Pm to investigate the production of radioactive /sup 145/Pm by neutron capture on the stable isotope /sup 144/Sm. The calculations were made for incident neutron energies from 2.5 MeV to about 1/sup -4/ or 10/sup -5/ MeV, wherever the first unbound resonance was estimated to occur in each case. At that energy, the calculated value was reduced by… more
Date: February 13, 1986
Creator: Gardner, D. G. & Gardner, M. A.
Partner: UNT Libraries Government Documents Department
open access

Charged-hadron production in e/sup +/e/sup -/ collisions at PEP with the TPC

Description: We have studied hadron production in e/sup +/e/sup -/ annihilation at 29 GeV center of mass energy. We have measured the particle fractions and particle separated differential cross sections using the PEP-4 (Time Projection Chamber) detector. The particles were identified by measuring their ionization energy loss (dE/dx). The pion fraction decreases from above 90% at 400 MeV/c to 55% at 6 GeV/c. Our results for kaon production require that a large number of kaons are produced by strange quarks … more
Date: May 13, 1983
Creator: Hadley, N.J.
Partner: UNT Libraries Government Documents Department
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The present status of the LLNL Evaluated Charged Particle Library (ECPL)

Description: The present report is written with two purposes in mind: to summarize the charged-particle reactions that presently exist in Evaluated Charge Particle Library; and to list all of the low-Z charged-particle reactions for which data exist in the Livermore experimental data compilation. 2 tabs.
Date: March 13, 1987
Creator: Mac Gregor, M.H.
Partner: UNT Libraries Government Documents Department
open access

Fill tube fitted spheres

Description: The high temperature diffusion technique for fuel filling of some future direct drive cryogenic ICF targets may be unacceptable. The following describes a technique of fitting a 1 mm diameter x 6 ..mu..m thick glass microsphere with an approx. 50 ..mu..m O.D. glass fill tube. The process of laser drilling a 50 ..mu..m diameter hole in the microsphere wall, technique for making the epoxy joint between the sphere and fill tube, as well as the assembly procedure are also discussed.
Date: July 13, 1981
Creator: Ives, B.H.
Partner: UNT Libraries Government Documents Department
open access

Transverse wake effects in an optical waveguide IFEL accelerator

Description: A recent proposal describes a project to build a short demonstration stage IFEL accelerator using as input beam the output of the Accelerator Test Facility high brightness linac (ATF) currently under construction at BNL. A second stage of the proposal involves the design and construction of a GeV IFEL accelerator. Both IFEL accelerators could be built using standard focussing as discussed in the proposal. While this is fairly natural in the short (60cm) demonstration accelerator, it requires mu… more
Date: August 13, 1987
Creator: Sandweiss, J.
Partner: UNT Libraries Government Documents Department
open access

Multiple-comparison computer program using the bonferroni t statistic

Description: To ascertain the agreement among laboratories, samples from a single batch of material are analyzed by the different laboratories and results are then compared. A graphical format was designed for presenting the results and for showing which laboratories have significantly different results. The appropriate statistic for simultaneously testing the significance of the differences between several means is Bonferroni t. A computer program was written to make the tests between means based on Bonfer… more
Date: November 13, 1980
Creator: Johnson, E. E.
Partner: UNT Libraries Government Documents Department
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