Degradation of passive thermal control systems in space is a matter of serious concern and has been observed in many missions. The authors report the performance of the passive thermal control systems of the Infrared Astronomical Satellite (IRAS) over a period of three years. An exterior temperature of 200 K and a sunshade temperature of approximately 100 K were maintained over this period without significant degradation. The temperature of the telescope contained in the IRAS cryostat was also observed for two years after expenditure of the helium cryogen. It remained at 100 K with no degradation, Space Cryogenics Workshop, 22-23 June 1987, Madison, WI, USA
Long-term performance of the passive thermal control systems of the IRAS spacecraft
Langzeitverhalten des passiven thermischen Regelungssystems des IRAS-Raumfahrzeugs
Cryogenics ; 28 , 2 ; 137-141
1988
5 Seiten, 3 Quellen
Aufsatz (Zeitschrift)
Englisch
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