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Surfactant studies for bench-scale operation. Third quarterly technical progress report, January 1, 1993--March 31, 1993

Description: A phase 11 study has been initiated to investigate surfactant-assisted coal liquefaction, with the objective of, quantifying the enhancement in liquid yields and product quality. This report covers the third quarter of work. The major accomplishments were (1) completion of coal liquefaction autoclave reactor runs and related analysis with Illinois {number_sign}6 coal at a processing temperature of 375{degree}C, and pressures of 1800 and 1500 psig, (2) completion and analysis of two autoclave re… more
Date: April 20, 1993
Creator: Hickey, G. S. & Sharma, P. K.
Partner: UNT Libraries Government Documents Department
open access

Nuclear electric propulsion for future NASA space science missions

Description: This study has been made to assess the needs, potential benefits and the applicability of early (circa year 2000) Nuclear Electric Propulsion (NEP) technology in conducting NASA science missions. The study goals are: to obtain the performance characteristics of near term NEP technologies; to measure the performance potential of NEP for important OSSA missions; to compare NEP performance with that of conventional chemical propulsion; to identify key NEP system requirements; to clarify and depict… more
Date: July 20, 1993
Creator: Yen, Chen-wan L.
Partner: UNT Libraries Government Documents Department
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