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Proceedings Paper

Application of a refrigerator/phase-change cooler to a space-based sensor
Author(s): Brian G. Williams; J. Clair Batty
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Paper Abstract

This paper discusses the concept of a mechanical refrigerator integrated with a phase-change cryogen for cooling space borne sensors. Also described is the proposed integration of a small tactical mechanical refrigerator with a small amount of methanol to cool an orbiting sensor imaging atmospheric gravity waves. Included are the results of ground tests of the methanol melting/freezing process. Results indicate that a constant temperature during freezing and melting is possible if the heat loads into the system are low enough to maintain the phase-change substance near equilibrium. Plans for the next laboratory experiment are also outlined. The paper further presents a comparison of other substances that may be considered for use as a phase- change material.

Paper Details

Date Published: 23 June 1994
PDF: 10 pages
Proc. SPIE 2227, Cryogenic Optical Systems and Instruments VI, (23 June 1994); doi: 10.1117/12.178597
Show Author Affiliations
Brian G. Williams, Utah State Univ. (United States)
J. Clair Batty, Utah State Univ. (United States)

Published in SPIE Proceedings Vol. 2227:
Cryogenic Optical Systems and Instruments VI
James B. Heaney; Lawrence G. Burriesci, Editor(s)

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