UNT Libraries Government Documents Department - 219 Matching Results

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3-D slug flow heat transfer analysis of coupled coolant cells in finite LMFBR bundles

Description: A three-dimensional single region slug flow heat transfer analysis for finite LMFBR rod bundles using a classical analytical solution method has been performed. According to the isolated single cell analysis, the results show that the peripheral clad temperature variation as well as the thermal entrance length are strongly dependent upon the degree of irregularity displayed by various coolant geometries. Since under the present LMFBR conditions, fully-developed temperature fields may hardly be … more
Date: February 1, 1978
Creator: Wong, C.N. & Wolf, L.
Item Type: Refine your search to only Report
open access

Actinide partitioning and transmutation program. Progress report, July 1--September 30, 1977

Description: In Purex process modifications, two cold runs with mixer-settlers were made on the extraction and stripping of ruthenium and zirconium without the presence of uranium. Efforts in actinide recovery from solids were directed toward the determination of dissolution parameters in various reagents for /sup 241/Am and /sup 239/Pu oxide mixtures, /sup 233/U oxide, /sup 237/Np oxide, /sup 244/Cm oxide, /sup 232/Th oxide, and PuO/sub 2/. Studies in americium-curium recovery with OPIX (oxalate precipitat… more
Date: February 1, 1978
Creator: Tedder, D.W. & Blomeke, J.O. (comps.)
Item Type: Refine your search to only Report
open access

Active Devices for High Temperature Microcircuitry

Description: As part of a program to develop high temperature electronics for geothermal well instrumentation, a number of solid state diode and transistor types were characterized from room temperature to 300/sup 0/C. The temperature dependence and aging stability of transport and leakage properties were measured. Included in the study were silicon diodes, bipolar transistors, JFETs, MOSFETs, and GaAs MESFETs and JFETs. In summary the results are: diodes and bipolar transistors became extremely leaky at hi… more
Date: February 1, 1978
Creator: Palmer, D. W.; Draper, B. L.; McBrayer, J. D. & White, K. R.
Item Type: Refine your search to only Report
open access

Advanced Thermohydraulic Simulation Code for Transients in LMFBRs (SSC-L code)

Description: Physical models for various processes that are encountered in preaccident and transient simulation of thermohydraulic transients in the entire liquid metal fast breeder reactor (LMFBR) plant are described in this report. A computer code, SSC-L, was written as a part of the Super System Code (SSC) development project for the "loop"-type designs of LMFBRs. This code has the self-starting capability, i.e., preaccident or steady-state calculations are performed internally. These results then serve … more
Date: February 1, 1978
Creator: Agrawal, A. K.
Item Type: Refine your search to only Report
open access

Anaerobic fermentation of agricultural residue: potential for improvement and implementation. Final report

Description: The results of studies designed to evaluate the potential of rapidly improving the technology of anaerobic fermentation of agricultural residues and methods of implementing it in existing agricultural operations are reported. The main objectives of this study were to: identify simple and low cost anaerobic fermentor design criteria that would be appropriate in small agricultural operations, develop high rate fermentor concepts that would enable multiple product recovery from the reactor, expand… more
Date: February 1, 1978
Creator: Jewell, W. J.; Capener, H. R. & Dell'orto, S.
Item Type: Refine your search to only Report
open access

Analysis of fission product behavior in the Saclay Spitfire Loop Test SSL-1. [HTGR]

Description: The behavior of the fission metal cesium and the fission gases krypton and xenon in the Saclay Spitfire Loop SSL-1 test has been compared to that predicted using General Atomic reference data and computer code models. This is the first in a series of analyses planned in order to provide quantitative validation of HTGR fission product design methods. In this analysis, the first attempt to rigorously verify fission product design methods, the FIPERQ code was used to model the diffusion of cesium … more
Date: February 1, 1978
Creator: Jensen, D. D.; Haire, M. J. & Ballagny, A.
Item Type: Refine your search to only Report
open access

Analysis of the environmental control technology for oil shale development

Description: The environmental control technology proposed in the various oil shale projects which are under development are examined. The technologies for control of air pollution, water pollution, and for the disposal, stabilization, and vegetation of the processed shale were thoroughly investigated. Although some difficulties may be encountered in any of these undertakings, it seems clear that the air and water pollution problems can be solved to meet any applicable standard. There are no published natio… more
Date: February 1, 1978
Creator: de Nevers, N.; Eckhoff, D.; Swanson, S.; Glenne, B. & Wagner, F.
Item Type: Refine your search to only Report
open access

Analytical framework for the assessment of energy resource and technology options for developing countries

Description: The purpose of this analysis is to evaluate the potential of various energy resource and technology options in meeting national economic and social development goals for developing countries. The kinds of resource options of interest are the development of various indigenous conventional resources such as oil, oil shale, natural gas, coal, uranium, hydropower, or geothermal energy. Technology options would include, for example, advanced coal-combustion technologies, solar energy for water heati… more
Date: February 1, 1978
Item Type: Refine your search to only Report
open access

Anion exchange of 58 elements in hydrobromic acid and in hydriodic acid

Description: Anion exchange distributions of 58 elements have been measured from 0.1-8.7M HBr and from 0.1-7.4M HI onto three strong-base resins, 8 and 4% cross-linked and macroporous. Data were obtained by 16- to 18-h dynamic batch contacts. Anion exchange in these media is compared to that in HCl. The effect of resin cross-linkage is considerably greater in HI media than in HBr and HCl media. Examples are presented of potentially useful separations using HBr and HI media alone and in combination with HCl.
Date: February 1, 1978
Creator: Marsh, S. F.; Alarid, J. E.; Hammond, C. F.; McLeod, M. J.; Roensch, F. R. & Rein, J. E.
Item Type: Refine your search to only Report
open access

Array automated assembly: Phase 2. Quarterly report

Description: An analysis was made of cost trade-offs for shaping modified square wafers from cylindrical crystals. For reasonably expectable silicon and sheet costs, the optimum shape will be nearer a circle than a square. Tests were conducted of the effectiveness of texture etching for removal of surface damage on sawed wafers. Four glass systems have survived preliminary screening tests for use as edge masking dielectrics. These include beta-spodumen, MgO-Al/sub 2/O/sub 3/ borosilicate, baria and titania … more
Date: February 1, 1978
Creator: Taylor, W.E.
Item Type: Refine your search to only Report
open access

Assessment of the solid waste impact of the National Energy Plan

Description: The only significant effect of the National Energy Plan (NEP) on solid waste management in electric utilities will be to shift the regional distribution of impacts. Nationally, NEP may result in an increase of ash by 1 percent, and a decrease in the scrubber sludge disposal area requirement by up to 10 percent. Using current technology for fixation of scrubber sludge, ultimate disposal by landfill, and subsequent revegetation, utilities can provide environmentally acceptable methods of scrubber… more
Date: February 1, 1978
Creator: Meier, P.; Rubin, E.; Le, T.; Stern, R.; Kaplan, E.; Barvenik, F. et al.
Item Type: Refine your search to only Report
open access

Assessment of U. S. domestic capacity for producing reactor-grade thorium dioxide and controlling associated wastes and effluents

Description: Demand for reactor-grade ThO/sub 2/ is likely to increase as a result of the growing interest in the application of the thorium-uranium fuel cycle to nuclear reactors. The wastes and effluents identified with the production of ThO/sub 2/ from monazite sand are waste water, tailings, dust, smoke and gas, and radionuclides (primarily, /sup 232/Th and /sup 226/Ra). There are currently an estimated 1,500 short tons of crude thorium hydroxide byproduct that can be readily converted to reactor-grade … more
Date: February 1, 1978
Creator: Enderlin, W.I.
Item Type: Refine your search to only Report
open access

ATLAS: a proposal for a precision heavy ion accelerator at Argonne National Laboratory

Description: The objective of the proposed Argonne Tandem-Linac Accelerator System (ATLAS) is to provide precision beams of heavy ions for nuclear physics research in the region of projectile energies comparable to nuclear binding energies (5-25 MeV/A). By using the demonstrated potential of superconducting rf technology, beams of exceptional quality and flexibility can be obtained. The system is designed to provide beams with tandem-like energy resolution and ease of energy variation, the energy range is c… more
Date: February 1, 1978
Item Type: Refine your search to only Report
open access

Bulk Shielding Facility quarterly report, July, August, and September of 1977

Description: The BSR operated at an average power level of 1,868 kW for 23.58 percent of the time during July, August, and September. Water-quality control in both the reactor primary and secondary cooling systems was satisfactory. The PCA was used in training programs and was operated on two occasions when the Oak Ridge Associated Universities' students actively participated in training laboratories.
Date: February 1, 1978
Creator: Hurt, S. S., III; Lance, E. D. & Thomas, J. R.
Item Type: Refine your search to only Report
open access

Cable jacket aging study: comparison of polyether and polyester urethane materials

Description: Accelerated aging experiments for up to 310 days duration were carried out on three polyester and three polyether urethane materials. The aging environments selected were (1) oven aging up to 100/sup 0/C, (2) water immersion up to 70/sup 0/C, (3) various combinations of relative humidity and temperature up to 100% R.H. and 50/sup 0/C, and (4) 0.48% (by volume) NO/sub 2/ in air. The sample properties followed included (1) physical dimensions, (2) hardness, (3) weight, (4) ultimate elongation, (5… more
Date: February 1, 1978
Creator: Jones, L.H.
Item Type: Refine your search to only Report
open access

Capital requirements for energy sector: capital market access. The shift to successful efforts accounting: preliminary review of probable effects on oil and gas industry participants

Description: This report provides an initial assessment of the effects that the adoption of uniform successful efforts accounting might have on access to capital markets and investment behavior in the oil and gas industry. It also proposes a plan of interviews and analysis which would permit informed revision and expansion of that initial assessment. Section II presents a discussion of the origins and current status of the controversy between advocates of successful efforts and full cost accounting. An impo… more
Date: February 1, 1978
Creator: Bennett, V.
Item Type: Refine your search to only Report
open access

Cascade design considerations for cascades composed of stages with large separation factors

Description: The unit cost of product from ideal and nonideal cascades are calculated and compared for a given separation task, that of producing reactor grade uranium containing 3.2% U-235 from normal feed containing 0.72% U-235, under the assumption that the total cascade costs are directly proportional to the total inter-stage flow of the cascade. For the examples chosen, in which the stage separation factors are in the range 2 < ..cap alpha.. < 5 and the resulting cascades contain from four to six stage… more
Date: February 1, 1978
Creator: Von Halle, E.
Item Type: Refine your search to only Report
open access

Catalytic Conversion of Solvent Refined Coal to Liquid Products

Description: Catalytic reactions of solvent refined coal (SRC) were studied using mixed metal oxide and low melting Lewis acid catalysts in extracting solvent media. From characterization of the benzene- and cyclohexane-soluble products, ZnCl/sub 2/ and SnCl/sub 2/ were determined to be the most effective at hydrogenating and solubilizing SRC while assisting in heteroatom removal. ZnCl/sub 2/ and SnCl/sub 2/ were also found to be more effective at producing oil-like products rather than alphaltene-like prod… more
Date: February 1, 1978
Creator: Tanner, K. I. & Bell, A. T.
Item Type: Refine your search to only Thesis or Dissertation
open access

CHILES 2: a finite element computer program that calculates the intensities of linear elastic singularities in isotropic and orthotropic materials

Description: CHILES 2 is a finite-element computer program that calculates the strength of singularities in linear elastic bodies. A generalized quadrilateral finite element that includes a singular point at a corner node is incorporated in the code. The displacement formulation is used and interelement compatibility is maintained so that monotone convergence is preserved. Plane stress, plane strain, and axisymmetric conditions are treated. Isotropic and orthotropic crack tip singularity problems are solved… more
Date: February 1, 1978
Creator: Benzley, S.E. & Beisinger, Z.E.
Item Type: Refine your search to only Report
open access

Closed loop chemical systems for energy storage and transmission (chemical heat pipe). Final report

Description: The work documents the anlaysis of closed loop chemical systems for energy storage and transmission, commonly referred to as the Chemical Heat Pipe (CHP). Among the various chemical reaction systems and sources investigated, the two best systems were determined to be the high temperature methane/steam reforming reaction (HTCHP) coupled to a Very High Temperature Gas Cooled Reactor (VHTR) and the lower temperature, cyclohexane dehydrogenation reaction (LTCHP) coupled to existing sources such as … more
Date: February 1, 1978
Creator: Vakil, H.B. & Flock, J.W.
Item Type: Refine your search to only Report
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