The COLD-SAT free-flying spacecraft was to perform experiments with LH2 in the cryogenic fluid management technologies of storage, supply and transfer in reduced gravity. The Phase A preliminary design of the Thermal Control Subsystem (TCS) for the spacecraft exterior and interior surfaces and components of the bus subsystems is described. The TCS was composed of passive elements which were augmented with heaters. Trade studies to minimize the parasitic heat leakage into the cryogen storage tanks are described. Selection procedure for the thermally optimum on-orbit spacecraft attitude was defined. TRASYS-2 and SINDA'85 verification analysis was performed on the design and the results are presented.
Preliminary Thermal Design of the COLD-SAT Spacecraft
1991
39 pages
Report
No indication
English
Unmanned Spacecraft , Spacecraft temperature , Temperature control , Control systems design , Cryogenic fluids , Storage tanks , Thermal analysis , Attitude (Inclination) , Controllers , Cryogenics , Fluid management , Heat transfer , Heaters , Reduced gravity , Liquid hydrogen , COLD-SAT spacecraft
Preliminary thermal design of the COLD-SAT spacecraft
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