Other
Scientific paper
May 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..613.1225w&link_type=abstract
ADVANCES IN CRYOGENIC ENGINEERING: Proceedings of the Cryogenic Engineering Conference - CEC. AIP Conference Proceedings, Volum
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Spaceborne And Space Research Instruments, Apparatus, And Components, Cryogenics, Refrigerators, Low-Temperature Detectors, And Other Low-Temperature Equipment, Metallic Surfaces, Space-Based Ultraviolet, Optical, And Infrared Telescopes
Scientific paper
Many space missions now in development in Europe (e.g., Planck, Darwin) and the United States (e.g., SIRTF, NGST, TPF) will fly in orbits which enable passive cooling to <50 K. In such an environment it is possible to greatly reduce the cooling requirements of cryogenic instruments such as infrared cameras. Missions such as SIRTF serve as proof that such a strategy can be successfully implemented to hugely reduce the spacecraft resources required for instrument cooling. Three novel sorption cooler concepts are described in this paper. These coolers derive maximum benefit from passive radiative precooling. All coolers considered herein are sized to provide 2 mW of net refrigeration at 5 K and 10 mW at 16.5 K. The concept designs, performance modeling and the development status of these coolers are described. .
Lindensmith Christian A.
Wade Lawrence A.
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