Optimised radiative cooling of infrared space telescopes and applications to possible missions

Details Optimised radiative cooling of infrared space telescopes and applications to possible missions Optimised radiative cooling of infrared space telescopes and applications to possible missions

Jul 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992ssrv...61..113h&link_type=abstract

Space Science Reviews (ISSN 0038-6308), vol. 61, no. 1-2, p. 113-144.

Astronomy and Astrophysics

Astronomy

13

Infrared Astronomy, Infrared Telescopes, Radiant Cooling, Radiation Protection, Spaceborne Telescopes, Earth Orbital Environments, European Space Agency, Infrared Astronomy Satellite, Japanese Space Program, Spacecraft Radiators

Scientific paper

Simple guidelines are presented for designing radiatively cooled space telescopes that must reach low temperatures. The limits achievable by such means are explored and secondary issues such as the on-orbit cooling time are examined. Results to date from a program of more detailed model simulations are summarized. These indicate that radiative cooling can indeed lower the temperatures of large-aperture telescopes sufficiently to make the technique of great interest for future IR space missions, while retaining advantages of size and duration, and can attain such low temperatures in quite reasonable times. Possible missions of this type are outlined, including the Edison proposal, the Japanese SMIRT survey mission, and an intermediate-size ESA/NASA mission.

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