Thermal design of a superfluid helium dewar for infrared telescope on-board space flyer unit

Details Thermal design of a superfluid helium dewar for infrared telescope on-board space flyer unit Thermal design of a superfluid helium dewar for infrared telescope on-board space flyer unit

Dec 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988tcls.rept..407f&link_type=abstract

In ESA, Third European Symposium on Space Thermal Control and Life Support Systems p 407-412 (SEE N89-28214 22-54)

Physics

Cryogenic Cooling, Cryogenic Equipment, Infrared Telescopes, Japanese Spacecraft, Spaceborne Telescopes, Baffles, Liquid Helium, Shades

Scientific paper

The Infrared Telescope in Space (IRTS) onboard Space Flyer Unit is cooled down to 1.8 K by stored superfluid helium, allowing spectroscopic observation even in far infrared regions. The cooled mission life time is longer than several weeks. Minimization of heat leak to the lowest temperature level is one of the primary design goals for the maximum life time. The superfluid helium management at the launching site and also in the zero-g situation should also be well planned.

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