Thermal design of a Shuttle infrared telescope facility /SIRTF/

Details Thermal design of a Shuttle infrared telescope facility /SIRTF/ Thermal design of a Shuttle infrared telescope facility /SIRTF/

Jul 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980thph.confr....s&link_type=abstract

American Institute of Aeronautics and Astronautics, Thermophysics Conference, 15th, Snowmass, Colo., July 14-16, 1980, 6 p.

Physics

Liquid Cooling, Space Infrared Telescope Facility, Space Shuttle Payloads, Spaceborne Telescopes, Temperature Control, Design Analysis, Liquid Helium, Thermal Degradation

Scientific paper

A thermal design concept has been developed for a cryogenically-cooled infrared telescope facility which will be carried aboard the Space Shuttle for missions of 14 to 30 days. Supercitical helium at 6 K is the principal coolant. Auxiliary tanks of superfluid helium at 2 K are utilized to provide additional low-temperature cooling requirements of specific instruments. The preliminary thermal design described enables SIRTF to provide the low-temperature environment for the telescope and instruments, while maintaining thermally-induced optical degradations within acceptable limits with a cryogen utilization rate compatible with weight and volumetric constraints.

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