Passive cryocooler for microsatellite payload

Mayes Mullins; Paul J. Thomas; John W. Harron; Philip Duggan; Peter M. Sinclair; Shyam M. Khanna

doi:10.1117/12.331319

18 November 1998 Passive cryocooler for microsatellite payload

Mayes Mullins, Paul J. Thomas, John W. Harron, Philip Duggan, Peter M. Sinclair, Shyam M. Khanna

Proceedings Volume 3437, Infrared Spaceborne Remote Sensing VI; (1998) https://doi.org/10.1117/12.331319
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1998, San Diego, CA, United States

Abstract

A passive cryocooler has been developed for the cooling of small payloads to temperatures as low as 145 K. Although designed for a specific electronics experiment on the STRV-1d microsatellite, the device is suitable for a wide range of applications. The cryocooler uses coated surfaces for tailored radiative cooling. Mechanical support between components is provided by fiberglass struts. The measured end temperature reached is 151 K in a liquid nitrogen dewar which extrapolates to an end temperature of lower than 145 K in space. Thermal vacuum testing and random vibration testing at levels consistent with an Ariane 5 launch have been performed as part of formal qualification for the STRV mission. In this paper, details of the design, analysis, fabrication and testing of the passive cryocooler are presented.

Citation Download Citation

Mayes Mullins, Paul J. Thomas, John W. Harron, Philip Duggan, Peter M. Sinclair, and Shyam M. Khanna "Passive cryocooler for microsatellite payload", Proc. SPIE 3437, Infrared Spaceborne Remote Sensing VI, (18 November 1998); https://doi.org/10.1117/12.331319

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