A mechanical cooler for dual-temperature applications

Details A mechanical cooler for dual-temperature applications A mechanical cooler for dual-temperature applications

Jan 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998aipc..420..205g&link_type=abstract

Space technology and applications international forum - 1998. AIP Conference Proceedings, Volume 420, pp. 205-210 (1998).

Other

Cryogenics, Refrigerators, Low-Temperature Detectors, And Other Low-Temperature Equipment, Artificial Earth Satellites

Scientific paper

Ball Aerospace has been developing Stirling cycle mechanical cryocoolers specifically for space applications. These coolers are special in that they are designed from the beginning for power efficiency, high reliability, and compatibility with sensitive instruments. We have delivered several of these coolers to NASA Goddard Space Flight Center, and are currently assembling one for the High Resolution Dynamics Limb Sounder (HIRDLS) program. In our current research effort, funded by the Ballistic Missile Defense Organization (BMDO), we are tailoring our basic design to new requirements from the Air Force Research Laboratory and its customers. We describe our success in optimizing a cooler to efficiently provide refrigeration at two different temperatures simultaneously. This two-temperature application requires 0.4 W of cooling at 35 K, and 0.6 W of cooling at 60 K. We have met these requirements with an input power of approximately 70 W from a dc source with a breadboard version of the cooler. We expect to deliver the protoflight version of this cooler to the Air Force Research Laboratory in January 1998.

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