Computer Science – Performance
Scientific paper
May 1994
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1994stin...9432272j&link_type=abstract
Proposed for presentation at the 5th European Symposium on Space and Environmental Control Systems and the 24th International Co
Computer Science
Performance
Brayton Cycle, Carbon-Carbon Composites, Heat Pipes, Nuclear Heat, Space Power Reactors, Spacecraft Radiators, Closed Cycles, Heat Sources, Performance Prediction, Radiative Heat Transfer, Working Fluids
Scientific paper
This report discusses application of a new lightweight carbon-carbon (C-C) space radiator technology developed under the NASA Civil-Space Technology Initiative (CSTI) High Capacity Power Program to a 20 kWe lunar based power system. This system comprises a nuclear (SP-100 derivative) heat source, a Closed Brayton Cycle (CBC) power conversion unit with heat rejection by means of a plane radiator. The new radiator concept is based on a C-C composite heat pipe with integrally woven fins and a thin walled metallic liner for containment of the working fluid. Using measured areal specific mass values (1.5 kg/m2) for flat plate radiators, comparative CBC power system mass and performance calculations show significant advantages if conventional heat pipes for space radiators are replaced by the new C-C heat pipe technology.
Bloomfield Harvey S.
Juhasz Albert J.
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