Development of 4K Cryocooler for Space Application

Details Development of 4K Cryocooler for Space Application Development of 4K Cryocooler for Space Application

Dec 2000

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2000isass..14..331n&link_type=abstract

The Institute of Space and Astronautical Science Report SP No. 14, p. 331-336.

Astronomy and Astrophysics

Astronomy

Space Cryogenics, 4K Cryocooler, Stirling Cycle, Jt Cycle

Scientific paper

A compact closed cycle cryocooler operating around 4K has been developed for space application. The prototype cooler consists of a Joule-Thomson (JT) system and a two-stage Stirling cycle cooler which is used to pre-cool the JT system. The typical cooling power is about 30 mW at 4.85K and the input power to the compressor is approximately 180W. This paper reports the results from preliminary test of the prototype cooler.

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