Design of cryogenic system for IRTS

Details Design of cryogenic system for IRTS Design of cryogenic system for IRTS

May 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cryo...29..553m&link_type=abstract

(Space Cryogenics Workshop, Frascati, Italy, July 18, 19, 1988, Proceedings. A91-28526 11-31) Cryogenics (ISSN 0011-2275), vol.

Mathematics

Logic

1

Cryogenic Cooling, Infrared Telescopes, Liquid Helium 2, Structural Design, Superfluidity, European Space Agency, Infrared Astronomy Satellite, Nasa Space Programs, Submillimeter Waves, Technological Forecasting

Scientific paper

A cooled infrared telescope is planned to be launched in 1993, which will be accommodated to the Space Flyer Unit. It is cooled down to 1.8 K by 100 cu dm of stored superfluid helium, being capable of photometric observation even in submillimeter regions. The cooled mission life time is required to be longer than several weeks. Minimization of heat leak to the lowest temperature level is one of the primary design goals for maximum life time. The liquid cryogen management in the zero-g situation is another key item. The ground operation at the launching site should also be well planned, especially in liquid helium treatment.

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