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Glass-heat-pipe evacuated-tube solar collector

Description: A glass heat pipe is adapted for use as a solar energy absorber in an evacuated tube solar collector and for transferring the absorbed solar energy to a working fluid medium or heat sink for storage or practical use. A capillary wick is formed of granular glass particles fused together by heat on the inside surface of the heat pipe with a water glass binder solution to enhance capillary drive distribution of the thermal transfer fluid in the heat pipe throughout the entire inside surface of the… more
Date: August 6, 1981
Creator: McConnell, R.D. & VanSant, J.H.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
open access

Dust-Feed Mechanism

Description: The invention is a dust feed device for delivery of a uniform supply of dust for long periods of time to an aerosolizing means for production of a dust suspension. The device utilizes at least two tandem containers having spiral brushes within the containers which transport the dust from a supply to the aerosolizer means.
Date: April 6, 1981
Creator: Milliman, Edward M.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
open access

Workshop on core and sample curation for the National Continental Scientific Drilling Program

Description: The Workshop on Core and Sample Curation was held to discuss the best means of handling, distributing, and advertising samples and data collected during a Continental Scientific Drilling Program (CSDP) and to establish better communication between sample curators regarding common problems. It was geneerally agreed that CSDP samples should be handled, on a regional basis, by existing data systems and sample repositories judged to have adequate staff and support. Repository design, sample handlin… more
Date: May 6, 1981
Creator: Goff, S. & Heiken, G. (eds.)
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Solar coal-gasification reactor with pyrolysis-gas recycle. [Patent application]

Description: Coal (or other carbonaceous matter, such as biomass) is converted into a product gas that is substantially free from hydrocarbons. The coal is fed into a solar reactor, and solar energy is directed into the reactor onto coal char, creating a gasification front and a pyrolysis front. A gasification zone is produced well above the coal level within the reactor. A pyrolysis zone is produced immediately above the coal level. Steam, injected into the reactor adjacent to the gasification zone, reacts… more
Date: April 6, 1981
Creator: Aiman, W.R. & Gregg, D.W.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
open access

Neutron and gamma radiation shielding material, structure, and process of making structure

Description: The present invention is directed to a novel neutron and gamma radiation shielding material consisting of 95 to 97% by weight SiO/sub 2/ and 5 to 3% by weight sodium silicate. In addition, the method of using this composition to provide a continuous neutron and gamma radiation shielding structure is disclosed.
Date: July 6, 1981
Creator: Hondorp, H.L.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
open access

Radioactive hot-cell access-hole decontamination machine

Description: A radioactive hot cell access hole decontamination machine is disclosed. A mobile housing has an opening large enough to encircle the access hole and has a shielding door, with a door opening and closing mechanism, for uncovering and covering the opening. The housing contains a shaft which has an apparatus for rotating the shaft and a device for independently translating the shaft from the housing through the opening and access hole into the hot cell chamber. A properly sized cylindrical pig co… more
Date: April 6, 1981
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
open access

Coolant monitoring apparatus for nuclear reactors. [PWR; BWR]

Description: A system for monitoring coolant conditions within a pressurized vessel is described. A length of tubing extends outward from the vessel from an open end containing a first line restriction at the location to be monitored. The flowing fluid is cooled and condensed before passing through a second line restriction. Measurement of pressure drop at the second line restriction gives an indication of fluid condition at the first line restriction. Multiple lengths of tubing with open ends at incrementa… more
Date: August 6, 1981
Creator: Tokarz, R.D.
Item Type: Refine your search to only Patent
Partner: UNT Libraries Government Documents Department
open access

X-ray microscopy using grazing-incidence reflection optics

Description: The Kirkpatrick-Baez microscopes are described along with their role as the workhorse of the x-ray imaging devices. This role is being extended with the development of a 22X magnification Kirkpatrick-Baez x-ray microscope with multilayer x-ray mirrors. These mirrors can operate at large angles, high x-ray energies, and have a narrow, well defined x-ray energy bandpass. This will make them useful for numerous experiments. However, where a large solid angle is needed, the Woelter microscope will … more
Date: August 6, 1981
Creator: Price, R.H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Computer representation of molecular surfaces

Description: This review article surveys recent work on computer representation of molecular surfaces. Several different algorithms are discussed for producing vector or raster drawings of space-filling models formed as the union of spheres. Other smoother surfaces are also considered.
Date: July 6, 1981
Creator: Max, N.L.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Microhardness Tests for High-Energy Neutron-Source Experiments

Description: In a development effort to extract mechanical property information from miniature specimens, standard diamond pyramid microhardness (DPH) tests have been conducted at Hanford Engineering Development Laboratory (HEDL) on specimens irradiated in RTNS-II; and techniques to extend the information available from microhardness tests have been developed at the University of California, Santa Barbara (UCSB). In tests at HEDL, radiation hardening has only been observed in relatively pure materials irrad… more
Date: August 6, 1981
Creator: Panayotou, N. F. & Lucas, G. E.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

X-ray-transport effects in laser-irradiated disks

Description: X-ray emission spectra are important diagnostics for studying laser-coupling and energy transport. We have begun exploring the sensitivity of such measurements to the plasma density and temperature profiles. The one-dimensional radiation transport equation is solved for various temperature and density profiles. Spectra are calculated in both the LTE and CRE approximations, bracketing the relevant ionization regimes. Their applicability to real plasmas is discussed. The calculated spectra are co… more
Date: October 6, 1981
Creator: Kauffman, R.L.; Matthews, D.L. & Lee, R.W.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Development of underground-mine cost-estimating equations. [Dependence of initial capital cost, deferred capital cost and annual operating cost on region, annual mine output and seam depth]

Description: Table 3.3 summarizes the initial capital, deferred capital, and operating costs (in millions of 1980 dollars) for the four regionally-based underground model mines. The initial capital is divided into two components, fixed and variable. The fixed component is just the investment cost for surface facilities, which is assumed to be independent of mine size. The rest of the initial capital cost is associated with production (primarily face-related) and is assumed to vary linearly with mine size (i… more
Date: March 6, 1981
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Particle characterization for geothermal operations

Description: A detailed summary of an ongoing evaluation of existing particle measuring methodology with emphasis on (a) adapting of existing methods in geothermal operations and (b) further development of existing instrumentation for field use is presented. The various instruments and methods used and/or suggested for particle characterization are described in detail. Theoretical and practical aspects of particle characterizations are outlined. A plan for further laboratory and field experiments is outline… more
Date: January 6, 1981
Creator: Vetter, O.J. & Kandarpa, V.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Techniques for the generation and monitoring of vapors

Description: Controlled test atmospheres can be produced using a variety of techniques. Gases are usually generated by using flow dilution methods while vapors are produced by using solvent injection and vaporization, saturation, permeation and diffusion techniques. The resulting gas mixtures can be monitored and measured using flame ionization, photoionization, electrochemical and infrared analytical systems. An ideal system for the production of controlled test atmospheres would not only be able to genera… more
Date: February 6, 1981
Creator: Nelson, G.O.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Structural and thermal requirements for the tandem-mirror fusion-test-facility magnet system

Description: Structural requirements for the magnet system include unique spatial constraints and materials restrictions to meet the operational needs of the unusual configuration. All of the magnets are liquid helium cooled which represents about 1500 tonnes of 4.5 K structure in the vacuum environment of the large vessel. Magnet support structures must satisfy complex load conditions, including electromagnetic (both normal-operating and fault conditions) and seismically induced. Improved plasma confinemen… more
Date: February 6, 1981
Creator: VanSant, J. H. & Bulmer, R. H.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Seismic Safety Margins Research Program. Phase I, final report - overview

Description: The Seismic Safety Margins Research Program (SSMRP) is a multiyear, multiphase program whose overall objective is to develop improved methods for seismic safety assessments of nuclear power plants, using a probabilistic computational procedure. The program is being carried out at the Lawrence Livermore National Laboratory and is sponsored by the US Nuclear Regulatory Commission, Office of Nuclear Regulatory Research. Phase I of the SSMRP was successfully completed in January 1981: A probabilist… more
Date: March 6, 1981
Creator: Smith, P. D.; Dong, R. G.; Bernreuter, D. L.; Bohn, M. P.; Chuang, T. Y.; Cummings, G. E. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Mechanical and thermophysical properties of hot-pressed SYNROC B

Description: The optimal SYNROC compositons for use with commercial waste are reviewed. Large amounts of powder (about 2.5 kg) were prepared by convention al ceramic operations to test the SYNROC concept on a processing scale. Samples, 15.2 cm in diameter, were hot pressed in graphite, and representative samples were cut for microstructural evaluations. Measured mechanical and thermophysical properties did not vary significantly as a function of sample location and were typical of titanate ceramic materials. more
Date: May 6, 1981
Creator: Hoenig, C. L.; Newkirk, H. W.; Otto, R. A.; Brady, R. L.; Brown, A. E.; Ulrich, A. R. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Formation and control of plasma potentials in TMX upgrade

Description: The methods to be employed to form and control plasma potentials in the TMX Upgrade tandem mirror with thermal barriers are described. ECRH-generated mirror -confined electron plasmas are used to establish a negative potential region to isolate the end-plug and central-cell celectrons. This thermal isolation will allow a higher end-plug electron temperature and an increased central-cell confining potential. Improved axial central-cell ion confinement results since higher temperature central-cel… more
Date: May 6, 1981
Creator: Simonen, T.C.; Orzechowski, T.J.; Porkolab, M. & Stallard, B.W.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Evaluation of potential food applications of dried distillers spent grain (DSG). Final research report

Description: Results from experimental test bakes indicate that dried distillers spent grain (DSG) can be used to replace up to 15% of the flour for the production of an acceptable variety bread, provided that the DSG is processed under optimum conditions for a satisfactory flavor and color development. The raw materials used for the mash bill may also affect the taste of the finished product. (MHR)
Date: February 6, 1981
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
open access

Geohydrology of Enewetak Atoll islands and reefs

Description: Extensive tidal studies in island wells and the lagoon at Enewetak Atoll have shown that island ground water dynamics are controlled by a layered aquifer system. The surface aquifer of unconsolidated Holocene material extends to a depth of approximately 15 m, and has a hydraulic conductivity K = 60 m/day. From 15 to 60 m (approximate lagoon depth) the reef structure consists of successive layers of altered Pleistocene materials, with bulk permeability substantially higher than that of the surfa… more
Date: May 6, 1981
Creator: Buddemeier, R.W.
Item Type: Refine your search to only Article
Partner: UNT Libraries Government Documents Department
open access

Beam dynamics in the ETA and ATA 10 kA linear induction accelerators: observations and issues

Description: The 10 kA ETA and ATA linear induction accelerators are described. Beam instability is the major concern in these high current machines, and the current status of theoretical understanding, and experimental investigations with the 8 cavity ETA, are reviewed. Modifications to the induction cavities are described that have essentially eliminated the transverse resonant modes seen in the ETA.
Date: March 6, 1981
Creator: Briggs, R. J.; Birx, D. L.; Caporaso, G. J.; Fessenden, T. J.; Hester, R. E.; Melendez, R. et al.
Item Type: Refine your search to only Report
Partner: UNT Libraries Government Documents Department
captions transcript

[News Clip: Grand Prairie booking]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: July 6, 1981, 10:00 p.m.
Duration: 1 minute 42 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
captions transcript

[News Clip: Evans trans]

Description: Video footage from the KXAS-TV/NBC station in Fort Worth, Texas, to accompany a news story.
Date: April 6, 1981, 5:00 p.m.
Duration: 1 minute 28 seconds
Creator: KXAS-TV (Television station : Fort Worth, Tex.)
Item Type: Refine your search to only Video
Partner: UNT Libraries Special Collections
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