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Tritium half-life

Description: Least squares analyses of calorimetric measurements made at Mound Laboratory on two tritide compounds over a period of 18 y were performed to determine the half-life of tritium. A half-life of 12.3232 +- 0.0043 mean solar years was obtained.
Date: December 22, 1977
Creator: Rudy, C. R. & Jordan, K. C.
Partner: UNT Libraries Government Documents Department
open access

Only source of energy

Description: Various plants that might play a role in the energy mix of the future are discussed and illustrated. Included among them are the Euphorbias and Guayule. (JGB)
Date: March 22, 1978
Creator: Calvin, G. J. & Calvin, M.
Partner: UNT Libraries Government Documents Department
open access

D/sup -/ production by multiple charge-transfer collisions of low-energy D ions and atoms in cesium vapor

Description: The production of D/sup -/ by multiple charge-transfer collisions of a D/sup +/ beam in a cesium-vapor target is considered for D/sup +/ energies above 300 eV. The cross sections relevant to D/sup -/ formation are obtained by a least-squares fit of three-charge-state differential equations to experimental yield curves. Implications for production of intense negative-ion beams are discussed, and speculations are made about extrapolation to lower engeries.
Date: January 22, 1978
Creator: Hooper, E. B. Jr.; Willmann, P. A. & Schlachter, A. S.
Partner: UNT Libraries Government Documents Department
open access

Development of a three-dimensional model of the atmospheric boundary layer using the finite element method

Description: This report summarizes our current effort and ideas toward the development of a model for the planetary boundary layer using the finite element technique. As an initial step, the finite element methodology is applied to simpler version of the boundary layer equations given by the two-dimensional, constant-property, incompressible conservation equations (Navier-Stokes equations). Solution procedures for both the steady-state and transient equations are discussed. For the transient problem, a var… more
Date: November 22, 1977
Creator: Lee, R. L. & Gresho, P. M.
Partner: UNT Libraries Government Documents Department
open access

Proposal to utilize fusion reactor energy sources for chemical process applications

Description: We propose to study the utilization of high-temperature (approximately 2000-2500K) process heat from fusion reactors for large-scale chemical process applications. Of particular interest is the decomposition reaction, CO/sub 2/ ..-->.. CO + /sup 1///sub 2/O/sub 2/, which at 2500K should yield approximately 60 percent conversion to CO if O/sub 2/ is partially removed through an oxide membrane. Hydrogen can be derived from CO at lower temperatures by reacting CO with steam, and C can also be d… more
Date: September 22, 1977
Creator: Krikorian, O. H.
Partner: UNT Libraries Government Documents Department
open access

Studies of encapsulant materials for terrestrial solar-cell arrays. First quarterly progress report, October 9--December 9, 1975

Description: Study 1 of this contract is entitled ''Evaluation of World Experience and Properties of Materials for Encapsulation of Terrestrial Solar-Cell Arrays.'' The approach of this study is to review and analyze world experience and to compile data on properties of encapsulants for photovoltaic cells and for related applications. The objective of the effort is to recommend candidate materials and processes for encapsulating terrestrial photovoltaic arrays at low cost for a service life greater than 20 … more
Date: December 22, 1975
Creator: Carmichael, D.C. (comp.)
Partner: UNT Libraries Government Documents Department
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Hazard-identification matrix for 10-MW/sub e/ solar-thermal central-receiver pilot plant: preliminary hazard-analysis input

Description: The hazard matrix is our gross identifier of potential solar collector subsystem hazards. The matrix will be used as a hazard reference in the accomplishment of the preliminary design hazard analysis, and to assist system design engineers in the evaluation of the specific subsystem design.
Date: November 22, 1978
Creator: Wander, H.R.
Partner: UNT Libraries Government Documents Department
open access

Estimating energy impacts of residential and commercial building development. A manual for the Pacific Northwest and Alaska

Description: This energy-impact manual presents information on energy implications of new building design and operation, providing a reasonably accurate means of assessing the total energy impact of new construction in the commercial and residential sectors. While developed specifically for the states of Alaska, Idaho, Oregon, and Washington, much of the data used are national averages; the procedures described are applicable to other regions of the nation, with appropriate adjustments for climatic differen… more
Date: February 22, 1979
Partner: UNT Libraries Government Documents Department
open access

Investigation of pressure transient propagation in pressurized water reactor feedwater lines

Description: Results are reported of a study for the Nuclear Regulatory Commission (NRC) to provide a general understanding of pressure transient (water hammer) propagation in pressurized water reactor (PWR) steam generator feedwater piping systems. A typical feedwater network is defined, and pressure transient initiation is discussed, as well as the plausible pulse shapes reported. The analysis is performed by using the computer codes PTA and WHAM. Forces are calculated at elbows and valves by using moment… more
Date: July 22, 1977
Creator: Sutton, S. B.
Partner: UNT Libraries Government Documents Department
open access

Stochastic Acceleration by a Single Wave in a Magnetized Plasma

Description: A particularly simple problem exhibiting stochasticity is the motion of a charged particle in a uniform magnetic field and a single wave. Detailed studies of this wave-particle interaction show the following features. An electrostatic wave propagating obliquely to the magnetic field causes stochastic motion if the wave amplitude exceeds a certain threshold. The overlap of cyclotron resonances then destroys a constant of the motion, allowing strong particle acceleration. A wave of large enough a… more
Date: September 22, 1977
Creator: Smith, R.
Partner: UNT Libraries Government Documents Department
open access

Solar energy for agricultural and industrial process heat

Description: A state-of-the-art review of solar process heat is given; near term prospects are discussed; and the federal solar industrial process heat program is reviewed. Existing solar industrial process heat projects are tabulated. (WHK)
Date: June 22, 1979
Partner: UNT Libraries Government Documents Department
open access

VISAR analysis at the Lawrence Livermore Laboratory with the four-detector system

Description: A detailed description is presented of the analysis of velocity-vs-time data taken with LLL's four-phototube VISAR system. Separate sections deal with a general analysis of on-axis rays when only one frequency of reflected laser light is present, a simplified analysis where two distinct frequencies are present and the rays are still on axis, and a discussion of the effects of off-axis rays. The description is given in such a manner that a VISAR user could employ the formulae in this report to d… more
Date: June 22, 1979
Creator: Goosman, D. R. & Parker, N. L.
Partner: UNT Libraries Government Documents Department
open access

Impact of petroleum industry horizontal divestiture on the coal market

Description: Volume 2 contains appendices as follows: coal supply curves, coal supply model modifications, coal mine financing data, legislative proposals for horizontal divestiture, overview of oil companies in coal industry (including their coal reserves) and the major sources of data and bibliography. (LTN)
Date: June 22, 1979
Creator: Zimmerman, D. L.; Dymond, L. H. & Marris, R. L.
Partner: UNT Libraries Government Documents Department
open access

Impact of petroleum industry horizontal divestiture on the coal market. [Proposed for consideration by Congress]

Description: The US Congress has set forth proposals which would prohibit oil companies from acquiring coal companies or other non-petroleum energy resources. Some proposals would require oil companies to divest themselves of any such resources that they already hold. The first legislation was introduced on this topic in the 94th Congress and alternative proposals are under serious consideration at the current time. We have analyzed some major variants of these legislative propsals with a study of likely ec… more
Date: June 22, 1979
Creator: Zimmerman, D. L.; Dymond, L. H. & Marris, R. L.
Partner: UNT Libraries Government Documents Department
open access

Design and fabrication of a low cost Darrieus vertical axis wing turbine system. Phase I. Technical report

Description: The contract has two phases, a design phase and a fabrication and installation phase. Presented is the work completed in Phase I, the design phase. The Sandia 17 m was used as the background machine from which design information was drawn. By concentrating the modifications on an existing design, emphasis was focused on component cost reduction rather than selection of optimal configuration or operating modes. The resulting design is a stretched version of the Sandia 17 m preserving the same ro… more
Date: June 22, 1979
Creator: None,
Partner: UNT Libraries Government Documents Department
open access

Water for long-term geothermal enegy production in the Imperial Valley

Description: The geothermal resources of California's Imperial Valley have the potential for the production of an estimated 3000 to 5000 MW/yr of electricity for 30 yr, provided that adeuqate cooling water is available for power plants. There are five possible sources of cooling water: irrigation water, waste waters from agriculture, steam condensate, ground water, and water from the Salton Sea. Technical, environmental, and regulatory constraints, however, could limit the availability of the water supplies… more
Date: September 22, 1978
Creator: Layton, D. W.
Partner: UNT Libraries Government Documents Department
open access

Evaluation, design, development and delivery of a 1200 kV prototype termination. First technical progress report, September 28, 1978-January 31, 1979

Description: The conceptual design and material study, Task 1 of this project is nearing completion. The primary objective of problem definition, in the form of a preliminary design specification, is complete. Several innovative concepts are being explored and compared. By the end of Task 1, the many alternative concepts will be narrowed considerably so that model studies of the most promising candidates may commence.
Date: February 22, 1979
Creator: Billings, J. S.; Neri, Z.; Meyer, J. R.; Berkebile, L. E. & English, W. A.
Partner: UNT Libraries Government Documents Department
open access

Feasibility study for Boardman River hydroelectric power. Final report

Description: The feasibility of generating additional hydroelectric power from five consecutive existing dams located on the Boardman River in Grand Traverse County and Traverse City, Michigan, was investigated. The potential hydropower production capabilities, in terms of base load power and peak load power, the legal-institutional-environmental constraints, and the economic feasibility, including capital investment, operating costs and maintenance costs, were evaluated for each of the five dam sites indiv… more
Date: February 22, 1979
Partner: UNT Libraries Government Documents Department
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