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1/2 Sintering of Mullite-Containing Materials: I. Effect of Composition

Description: Sintering behavior of mullite-containing powders was studied over a range of chemical compositions (Al{sub 2}O{sub 3}/SiO{sub 2} ratio). Densification measurements were made for both liquid phase-containing and solid state systems. Small amounts of liquid phase were observed to have a significant effect on densification rate. A linear relationship was obtained between the percent of theoretical density and the logarithm of time for compositions in the range 73-75 wt% Al{sub 2}O{sub 3}. Currentl… more
Date: December 1, 1981
Creator: Sacks, Michael D. & Pask, Joseph A.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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20-kW Solar Photovoltaic Flat-Panel Power System for an Uninterruptible Power-System Load in El Paso, Texas. Phase Ii. System Fabrication. Final Report October 1, 1979-May 31, 1981

Description: The system plans, construction, integration and test, and performance evaluation are discussed for the photovoltaic power supply at the Newman Power Station in El Paso, Texas. The system consists of 64 parallel-connected panels, each panel containing nine series-connected photovoltaic modules. The system is connected, through power monitoring equipment, to an existing DC bus that supplies uninterruptible power to a computer that controls the power generating equipment. The site is described and… more
Date: December 1, 1981
Creator: Risser, V.V.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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ACTIVE: a program to calculate and plot reaction rates from ANISN calculated fluxes

Description: The ACTIVE code calculates spatial heating rates, tritium production rates, neutron reaction rates, and energy spectra from particle fluxes calculated by ANISN. ACTIVE has a variety of input options including the capability to plot all calculated spatial distributions. The code was primarily designed for use with fusion first wall/blanket systems, but could be applied to any one-dimensional problem.
Date: December 1, 1981
Creator: Judd, J. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Advanced research and technology development fossil energy materials program. Quarterly progress report for the period ending September 30, 1981

Description: This is the fourth combined quarterly progress report for those projects that are part of the Advanced Research and Technology Development Fossil Energy Materials Program. The objective is to conduct a program of research and development on materials for fossil energy applications with a focus on the longer-term and generic needs of the various fossil fuel technologies. The program includes research aimed toward a better understanding of materials behavior in fossil energy environments and the … more
Date: December 1, 1981
Creator: Bradley, R.A. (comp.)
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Advances in optical materials for large aperture lasers

Description: Lawrence Livermore National Laboratory (LLNL) is using large aperture Nd: glass lasers to investigate the feasibility of inertial confinement fusion. In our experiments high power laser light is focussed onto a small (100 to 500 micron) target containing a deuterium-tritium fuel mixture. During the short (1 to 5 ns) laser pulse the fuel is compressed and heated, resulting in fusion reactions. The generation and control of the powerful laser pulses for these experiments is a challenging scientif… more
Date: December 15, 1981
Creator: Stokowski, S. E.; Lowdermilk, W. H.; Marchi, F. T.; Swain, J. E.; Wallerstein, E. P. & Wirtenson, G. R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Aerosols Generated by Free Fall Spills of Powders and Solutions in Static Air

Description: Safety assessments and environmental impact statements for nuclear fuel cycle facilities require an estimation of potential airborne releases. Aerosols generated by accidents are being investigated to develop the source terms for these releases. The lower boundary accidental release event would be a free fall spill of powders or liquids in static air. Experiments measured the mass airborne and particle size distribution of these aerosols for various source sizes and spill heights. Two powder an… more
Date: December 1, 1981
Creator: Sutter, S. L.; Johnston, J. W. & Mishima, J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Age and location of volcanic centers less than or equal to 3. 0 m. y. old in Arizona, New Mexico, and the Trans-Peco area of West Texas

Description: This map is one of a series of maps designed for hot dry rock geothermal assessment in Arizona, New Mexico, and the Trans-Peco area of the west Texas. The 3.0 m.y. cutoff age was selected because original heat has probably largely dissipated in older rocks. The location of volcanic centers is more important to geothermal resource assessment than the location of their associated volcanic rocks; however, ages have been determined for numerous flows far from their source. Therefore, the distributi… more
Date: December 1, 1981
Creator: Aldrich, M.J. & Laughlin, A.W.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Alaska Open-file Report 144 Assessment of Thermal Springs Sites Aleutian Arc, Atka Island to Becherof Lake -- Preliminary Results and Evaluation

Description: Twenty of more than 30 thermal spring areas reported to exist in the Aleutian arc extending from Atka Island to Becherof Lake were investigated during July and August, 1980. Thermal activity of three of these sites had diminished substantially or no longer existed. At least seven more sites where thermal-spring activity is probable or certain were not visited because of their remoteness or because of time constraints. The existence of several other reported thermal spring sites could not be ver… more
Date: December 1, 1981
Creator: Motyka, R. J.; Moorman, M. A. & Liss, S. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Alternative fuels study: point-of-use component

Description: The purpose of the concept paper is to outline a possible approach to conducting the point-of-use component of the Virginia Electric and Power Company (VEPCO) study of alternative fuels. Alternative measures for point-of-use application (specifically for the residential sector) would include conservation, solar space conditioning and water heating, and heat pumps. An outline is presented of analytical and field work that will provide information on parameters affecting users, the utility, and t… more
Date: December 28, 1981
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aluminum-blade development for the Mod-0A 200-kilowatt wind turbine

Description: This report documents the operating experience with two aluminum blades used on the DOE/NASA Mod-0A 200-kilowatt wind turbine located at Clayton, New Mexico. Each Mod-0A aluminum blade is 59.9 feet long and weighs 2360 pounds. The aluminum Mod-0A blade design requirements, the selected design, fabrication procedures, and the blade analyses are discussed. A detailed chronology is presented on the operating experience of the Mod-0A aluminum blades used at Clayton, New Mexico. Blade structural dam… more
Date: December 1, 1981
Creator: Linscott, B. S.; Shaltens, R. K. & Eggers, A. G.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analyses of mixed-hydrocarbon binary thermodynamic cycles for moderate-temperature geothermal resources using regeneration techniques

Description: Studies of basic binary geothermal cycles utilizing mixtures of hydrocarbons have shown better performance than for pure fluids for a moderate temperature (360/sup 0/F) resource. However, a loss is net geofluid effectiveness (watt-hours net plant output/1bm geofluid) results when the geofluid outlet temperature is limited to temperatures in excess of 160/sup 0/F to alleviate a silica precipitation problem. This study examined three working fluids consisting of binary mixtures of hydrocarbons to… more
Date: December 1, 1981
Creator: Demuth, O. J. & Kochan, R. J.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analysis of Flow Data from Several Baca Wells

Description: Analyses are presented of the downhole pressure buildup data for wells located in the Redondo Creek area of the Baca Geothermal Field. The downhole drilling information and pressure/temperature surveys are first interpreted to locate zones at which fluid enters the wellbore from the fractured formation and to estimate the initial reservoir temperature and pressure in these zones. Interpretation of the buildup data for each well considers wellbore effects, the CO{sub 2} content of the fluid and … more
Date: December 1, 1981
Creator: Riney, T. D. & Garg, S. K.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Analysis of monazite, zircon, and apatite from the southeastern Piedmont. National uranium resource evaluation program

Description: Two hundred sixty-three monazite, 191 zircon, and 16 apatite grains from 52 stream-sediment locations in the Southeastern Piedmont were analyzed by electron microprobe for one of the following suites of elements: Ca, La, Ce, Pr, Nd, Sm, Eu, Gd, Er, Dy, Y, Th, U, P, and F, or Ca, La, Ce, Fe, Er, Hf, Y, Th, U, P, Zr, Mg, Al, and Si. Monazite samples that had high uranium or thorium content and zircon samples that had high hafnium or iron content from a total of six locations were reanalyzed to co… more
Date: December 1, 1981
Creator: Karfunkel, B S; Fay, W M & Price, V Jr
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analysis of selected surface characteristics and latent heat storage for passive solar space heating

Description: Results are presented of an analysis of the value of various technical improvements in the solar collector and thermal storage subsystems of passive solar residential, agricultural, and industrial systems for two regions of the country. The evaluated improvements are: decreased emissivity and increased absorptivity of absorbing surfaces, decreased reflectivity, and decreased emissivity of glazing surface, and the substitution of sensible heat storage media with phase change materials. The value… more
Date: December 1, 1981
Creator: Fthenakis, V. & Leigh, R.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
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Analysis of the Crush Environment for Lightweight Air-Transportable Accident-Resistant Containers

Description: This report describes the longitudinal dynamic crush environment for a Lightweight Air-Transportable Accident-Resistant Container (LAARC, now called PAT-2) that can be used to transport small quantities of radioactive material. The analysis of the crush environment involves evaluation of the forces imposed upon the LAARC package during the crash of a large, heavily loaded, cargo aircraft. To perform the analysis, a cargo load column was defined which consisted of a longitudinal prism of cargo o… more
Date: December 1, 1981
Creator: McClure, J.D. & Hartman, W.F.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Analysis of the October 5, 1979 lithium spill and fire in the Lithium Processing Test Loop

Description: On October 5, 1979, the Lithium Processing Test Loop (LPTL) developed a lithium leak in the electromagnetic (EM) pump channel, which damaged the pump, its surrounding support structure, and the underlying floor pan. A thorough analysis of the causes and consequences of the pump failure was conducted by personnel from CEN and several other ANL divisions. Metallurgical analyses of the elliptical pump channel and adjacent piping revealed that there was a significant buildup of iron-rich crystallit… more
Date: December 1, 1981
Creator: Maroni, V. A.; Beatty, R. A.; Brown, H. L.; Coleman, L. F.; Foose, R. M.; McPheeters, C. C. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Aquifer thermal energy storage costs with a seasonal heat source.

Description: The cost of energy supplied by an aquifer thermal energy storage (ATES) system from a seasonal heat source was investigated. This investigation considers only the storage of energy from a seasonal heat source. Cost estimates are based upon the assumption that all of the energy is stored in the aquifer before delivery to the end user. Costs were estimated for point demand, residential development, and multidistrict city ATES systems using the computer code AQUASTOR which was developed specifical… more
Date: December 1, 1981
Creator: Reilly, R. W.; Brown, D. R. & Huber, H. D.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Assessment of the need for and feasibility of establishing a national reactor engineering simulator facility

Description: A study was conducted by the Department of Energy's Office of Nuclear Power Systems to determine the need for and feasibility of establishing a reactor engineering simulator facility at a National Laboratory. Input was obtained from a wide cross section of the Nation's nuclear industry, the Department's National Laboratories, the Nuclear Regulatory Commission (NRC), and the Advisory Committee on Reactor Safeguards in carrying out this study. Based on this input, the Department concludes that th… more
Date: December 1, 1981
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Assessment of the radon concentrations in air caused by emissions from multiple sources in a uranium mining and milling region. A case study of the Ambrosia Lake region of New Mexico

Description: The Ambrosia Lake uranium mining and milling operations were selected to characterize the relative importance of these sources on ambient atmospheric radon concentrations. All uranium mines at Ambrosia Lake are underground. The comparisons of interest were both between the sources and between the sources and background concentrations. The results show that vents are by far the greatest source of the computed radon concentrations in the immediate area of the operations. The computed radon concen… more
Date: December 1, 1981
Creator: Droppo, J. G. & Glissmeyer, J. A.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Atmospheric effects on solar-cell calibration and evaluation

Description: Results are presented that illustrate atmospheric effects on cell short currents and calibration numbers for silicon, gallium arsenide, and cadmium sulfide cells. Rigorous radiative transfer codes are used in this analysis to illustrate the effects of precipitable water, turbidity, air mass, and global normal irradiance compared with direct normal irradiance on cell performance. Precipitable water is shown to have a relatively large effect on GaAs (5%) as compared to a small effect (2%) on othe… more
Date: December 1, 1981
Creator: Bird, R. E. & Hustrom, R. L.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Atmospheric sciences division. Annual report, fiscal year 1981

Description: The research activities of the Atmospheric Sciences Division of the Department of Energy and Environment for FY 1981 are presented. Facilities and major items of equipment are described. Research programs are summarized in three categories, modeling, field and laboratory experiments and data management and analysis. Each program is also described individually with title, principal investigator, sponsor and funding levels for FY 1981 and FY 1982. Future plans are summarized. Publications for FY … more
Date: December 1, 1981
Creator: Raynor, G.S. (ed.)
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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Batteries for solar energy systems -- A program at Sandia National Laboratories

Description: DOE has selected Sandia National Laboratories as its lead laboratory to direct a program to develop and test batteries for electrical storage in a variety of solar applications. Initial emphasis is on storage in photovoltaic systems, but wind-energy and solar-thermal systems will be considered later. The BSSAP program is divided functionally into five tasks: Task 1--battery requirements analysis; Task 2--laboratory evaluation; Task 3--PV advanced systems tests; Task 4--applied experiments; Task… more
Date: December 31, 1981
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Benefit-cost analysis of DOE's Current Federal Program to increase hydrothermal resource utilization. Final report

Description: The impact of DOE's Current Federal Program on the commercialization of hydrothermal resources between 1980 and 2000 is analyzed. The hydrothermal resources of the United States and the types of DOE activities used to stimulate the development of these resources for both electric power and direct heat use are described briefly. The No Federal Program and the Current Federal Program are then described in terms of funding levels and the resultant market penetration estimates through 2000. These m… more
Date: December 10, 1981
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
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