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Review of state-of-the-art of solar collector corrosion processes. Task 1 of solar collector studies for solar heating and cooling applications. Final technical progress report

Description: The state-of-the-art of solar collector corrosion processes is reviewed, and Task 1 of a current research program on use of aqueous heat transfer fluids for solar heating and cooling is summarized. The review of available published literature has indicated that lack of quantitative information exists relative to collector corrosion at the present time, particularly for the higher temperature applications of solar heating and cooling compared to domestic water heating. Solar collector systems ar… more
Date: April 11, 1980
Creator: Clifford, J E & Diegle, R B
Partner: UNT Libraries Government Documents Department
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(Performance evaluation of fabric bag filters on a bench-scale coal gasifier)

Description: The objective of the proposed work is to demonstrate the operational and economic feasibility of using high-temperature ceramic filters for particulate control in a variety of coal gasification power generating systems.
Date: October 11, 1985
Partner: UNT Libraries Government Documents Department
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Multi-temperature gas chromatography using isothermal columns in series. Technical report

Description: A computer-controlled three-oven gas chromatograph having a multi-position stream-switching valve has been used first to divide a wide-boiling mixture of n-alkanes into three cuts and then to fractionate each cut using a packed column at a different temperature. After initial injection of the sample into the highest temperature column, the low boilers were switched to a low temperature oven. Then, the mid-boilers were switched to a column at an intermediate temperature. For routine repetitive a… more
Date: August 11, 1980
Creator: Spencer, W. A. & Rogers, L. B.
Partner: UNT Libraries Government Documents Department
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Safety assessment document for the Dynamic Test Complex B854

Description: A safety assessment was performed to determine if potential accidents at the 854 Complex at Site 300 could present undue hazards to the general public, personnel at Site 300, or have an adverse effect on the environment. The credible accidents that might have an effect on these facilities or have off-site consequences were considered. These were earthquake, extreme wind (including missiles), lightning, flood, criticality, high explosive (HE) detonation that disperses uranium and beryllium, spon… more
Date: December 11, 1981
Creator: Odell, B.N. & Pfeifer, H.E.
Partner: UNT Libraries Government Documents Department
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Study of corrosion in multimetallic systems. Task 2 of solar collector studies for solar heating and cooling applications. Final technical progress report

Description: Corrosion measurements were made on candidate alloys of construction for non-concentrating solar collectors under simulated conditions of collector operation. Materials evaluated were aluminum alloys 1100, 3003, and 6061, copper alloy 122, Type 444 stainless steel, and 1018 plain carbon steel. The solutions used were equivolume mixtures of ethylene glycol and water, and propylene glycol and water. They were used without corrosion inhibitors but with addition of chloride, sulfate, and bicarbonat… more
Date: April 11, 1980
Creator: Diegle, R B
Partner: UNT Libraries Government Documents Department
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Environmental monitoring at the Lawrence Livermore National Laboratory. 1981 annual report

Description: This report gives methods and results of the 1981 radiation monitoring program at LLL for both radioactive and non-radioactive contamination from gaseous and liquid effluents. Off-site monitoring includes various radionuclides but especially tritium in the ecosystems. (PSB)
Date: March 11, 1982
Creator: Auyong, M.; Griggs, K.S. & Buddemeier, R.W.
Partner: UNT Libraries Government Documents Department
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Final report for hydrologic studies support: INTERCOMP code conversion

Description: Mass and energy balance errors noted in a number of IBM-executed problems are caused by the lack of precision in computing total mass and energy values for a domain. This problem is evident in domains constructed with highly variable mesh sizes during the early time of simulation. The machine round-off was corrected by double-precisioning certain calculations for mass and energy balance. Small differences that exist between the improved INTERCOMP code operating on an IBM machine and the old ver… more
Date: January 11, 1982
Creator: Ichimura, V.
Partner: UNT Libraries Government Documents Department
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Geothermal alteration of sediments in the Salton Sea scientific drill hole: Petrophysical properties and mass changes during alteration: Final report

Description: This report has been divided into two sections. The first deals with the results of the petrophysical measurements, and the second concentrates on the distribution of alteration minerals and textures, and on a series of calculations of geochemical changes that occurred during alteration. 32 refs., 23 figs., 10 tabs.
Date: December 11, 1987
Creator: McDowell, S.D.
Partner: UNT Libraries Government Documents Department
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Anne Burnett and Charles D. Tandy Foundation

Description: A financial data report from the Anne Burnett and Charles D. Tandy Foundation for the tax year starting from 1984 to 1988. The data is tallied by how much assets the museum had at the end of the year and the amount they've awarded in grants.
Date: July 11, 1989
Partner: UNT Libraries Special Collections
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Helen Irwin Littauer Education Trust

Description: A financial data report for the Helen Irwin Littauer Educational Trust. The financial report lists the foundations assets by the years from 1984 to 1988 and the supporting grant they awarded for that year as well. In the additional information, deadline: must be submitted annually, has been underlined.
Date: July 11, 1989
Partner: UNT Libraries Special Collections
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SNAP 19 Viking Program. Bimonthly Technical Progress Report, December 1980-January 1981

Description: Monitoring of power systems performance data for Pioneer 10 and Pioneer Saturn spacecrafts continued. Net power output for either system during mid-January of 1981 was 112 watts. Power degradation has, for several years, been stable between 4 and 5 watts per year. Viking 1 Lander data acquisition has been resumed following the conclusion of Saturn encounter activities. Figures show the Mars Lander performance history of Viking 1. These data include both the minimum and maximum data for each of … more
Date: March 11, 1981
Partner: UNT Libraries Government Documents Department
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Preliminary experiments with a carbon fiber tuft cathode

Description: This work reports initial tests of a carbon brush or tuft cathode intended for use by the Beam Research Program. It was found that electric fields of approximately 100 kV/cm were required to produce current densities above 20 A/sq cm. The beam extracted from the cathode consisted of many beamlets - one for each tuft. The beamlets were found to be quite uniform in peak current density and the cathode operation was microscopically repeatable. The turn-on time was estimated to be 200 ns.
Date: January 11, 1984
Creator: Fessenden, T.J.
Partner: UNT Libraries Government Documents Department
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Coupling impedance of laminated magnets in the booster

Description: The magnets in the Fermilab Booster Synchrotron are laminated in order to minimize the eddy current losses and associated field distortions expected at a 15 Hz operating frequency. To further reduce the eddy current losses, the vacuum chamber is outside the magnet, hence allowing the beam induced wall currents to see the laminations directly. This note estimates the coupling impedances and beam energy loss per turn caused by the exposed laminations.
Date: July 11, 1986
Creator: Shafer, R. E.
Partner: UNT Libraries Government Documents Department
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Summary of Thomson-scattering data from the Tandem Mirror Experiment (TMX)

Description: We provide a synthesis of our Thomson-scattering measurements of electron temperature (T/sub e/) and density (n/sub e/) for the Tandem Mirror Experiment (TMX). TMX operated in two modes - high and low T/sub e/. When performing in the high T/sub e/ mode (in general > 100 eV), heating the central-cell ions with neutral beams raised T/sub e/ in the end plug. We achieved a maximum T/sub e/ of 260 eV in the east end plug. Specifically, our experiments demonstrated that in the end plug, the radial T/… more
Date: January 11, 1982
Creator: Goodman, R.K.
Partner: UNT Libraries Government Documents Department
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Fusion Breeder Program interim report

Description: This interim report for the FY82 Fusion Breeder Program covers work performed during the scoping phase of the study, December, 1981-February 1982. The goals for the FY82 study are the identification and development of a reference blanket concept using the fission suppression concept and the definition of a development plan to further the fusion breeder application. The context of the study is the tandem mirror reactor, but emphasis is placed upon blanket engineering. A tokamak driver and blanke… more
Date: June 11, 1982
Creator: Moir, R.; Lee, J. D. & Neef, W.
Partner: UNT Libraries Government Documents Department
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Systematic efficiency enhancement in Monte Carlo applications. Final progress report, July 1, 1976-January 31, 1980

Description: Research performed under the grant period has been undertaken as part of the principal investigator's long-term efforts to develop new, more efficient estimators for application to a wide variety of practical problems. Two rather different approaches have characterized the work: (1) the use of a multistage analysis (1) to optimize the efficiencies (variances) of families of estimating random variables in a traditional statistical Monte Carlo framework, and (2) the development of parallel quasi-… more
Date: June 11, 1980
Creator: Spanier, J.
Partner: UNT Libraries Government Documents Department
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Multidimensional modeling of convective heat transfer with application to IC engines: Technical progress report

Description: The objective of this project is to develop a more comprehensive understanding of the convective heat transfer process in complex, unsteady turbulent reacting flows, typical of those which occur in internal combustion engines. The specific area of research is the representation of heat transfer in detailed multi-dimensional Navier-Stokes models, and modeling of turbulent transport mechanisms. The detailed tasks include a review of relevant prior work. Based on this review, and original work don… more
Date: December 11, 1987
Creator: Jennings, M.J. & Morel, T.
Partner: UNT Libraries Government Documents Department
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Ion related problems for the XLS ring

Description: The electron beam in the XLS will collide with the residual gas in the vacuum chamber. The positive ions will be trapped in the potential well of the electron beam. They will perform stable or unstable oscillations around the beam under the repetitive Coulomb force of the bunches. If not cleared, the captured ions will lead to partial or total neutralization of the beam, causing both, a decrease of life-time and a change in the vertical tunes as well as an increase in the tune-spread. They can … more
Date: July 11, 1989
Creator: Bozoki, E. & Halama, H. (Brookhaven National Lab., Upton, NY (USA))
Partner: UNT Libraries Government Documents Department
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Detection and sizing of underbead cracks using ultrasonic nondestructive examination

Description: Ultrasonic nondestructive examination (NDE) will detect three mil deep underbead cracks in welds joining thin walled iridium hemishells. A correlation was developed to relate the amplitude of the signal reflected from the crack with crack wall area. The observed cracks occur in the weld underbead in the arc taper area during encapsulation of /sup 238/PuO/sub 2/ pellets for thermoelectric generators used in deep space exploration.
Date: February 11, 1982
Creator: Scarbrough, J.D. & Wierzbicki, W.M.
Partner: UNT Libraries Government Documents Department
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Methodology for assessing the impacts of alternative rate designs on industrial energy use. Draft report

Description: A task was undertaken to develop a method for analyzing industrial user responses to alternative rate designs. The method described considers the fuel switching and conservation responses of industrial users and the impact to a hypothetical utility regarding revenue stability, annual gas demand, and seasonal fluctuations. Twenty-seven hypothetical industrial plant types have been specified. For each combustor in the plant, the fuel consumption by season, initial fuel type, fuel switching costs,… more
Date: January 11, 1980
Partner: UNT Libraries Government Documents Department
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Radial Space Potential Measurements in the Central Cell of the Tandem Mirror Experiment With a Heavy-Ion-Beam Probe

Description: Spatial and temporal profiles of the space potential in the central-cell midplane of TMX have been obtained with a heavy-ion-beam probe. The absolute accuracy of measurements is +- 25 volts (with respect to the machine vacuum walls) with a resolution of approx. 2 volts. During moderate fueling with the gas boxes (i/sub gas/ approx. = 1200 Atom-Amperes D/sub 2/), the plasma potential is parabolic to at least 25 cm radius, with phi/sub e/ approx. = phi/sub max/(1-(r/32)/sup 2/) and 300 < phi/sub … more
Date: April 11, 1983
Creator: Hallock, G. A.
Partner: UNT Libraries Government Documents Department
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Wide-band neutrino beams at 1000 GeV

Description: In a previous publication, S. Mori discussed various broad-band neutrino and antineutrino beams using 1000 GeV protons on target. A new beam (SST) has been designed which provides the same neutrino flux as the quadrupole triplet (QT) while suppressing the wrong sign flux by a factor of 18. It also provides more than twice as much high energy antineutrino flux than the sign-selected bare target (SSBT) and in addition, has better neutrino suppression. While it is possible to increase the flux obt… more
Date: April 11, 1983
Creator: Malensek, A. & Stutte, L.
Partner: UNT Libraries Government Documents Department
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A new semicustom integrated bipolar amplifier for silicon strip detectors

Description: The QPA02 is a four channel DC coupled two stage transimpedance amplifier designed at Fermilab on a semicustom linear array (Quickchip 2S) manufactured by Tektronix. The chip was developed as a silicon strip amplifier but may have other applications as well. Each channel consists of a preamplifier and a second stage amplifier/sharper with differential output which can directly drive a transmission line (90 to 140 ohms). External bypass capacitors are the only discrete components required. QPA02… more
Date: July 11, 1989
Creator: Zimmerman, T.
Partner: UNT Libraries Government Documents Department
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