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Scientific paper
Apr 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aipc..823..632g&link_type=abstract
ADVANCES IN CRYOGENIC ENGINEERING: Transactions of the Cryogenic Engineering Conference - CEC. AIP Conference Proceedings, Volu
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Cryogenics, Refrigerators, Low-Temperature Detectors, And Other Low-Temperature Equipment, Spaceborne And Space Research Instruments, Apparatus, And Components
Scientific paper
This paper describes the design, development, testing and performance at Ball Aerospace of a long life, 4-6 K temperature space cryocooler. For temperatures to 4 K and below, Ball has developed a hybrid Stirling/ Joule-Thomson (J-T) cooler. The hybrid cooler has been verified in test to 3.5 K on a Ball program and a 6 K Development Model is in development on the NASA/JPL Advanced Cryocooler Technology Program (ACTDP). This paper will include the test status on the Stirling Precooler and the Thermal System Breadboard. The ACTDP cooler provides simultaneous cooling at 6 K (typically, for either doped Si detectors or as a sub-Kelvin precooler) and 18 K (typically, for optics or shielding) with cooling stages also available at 40 and 180 K (typically, for thermal shields or other components). The ACTDP cooler is under development for the NASA Terrestrial Planet Finder (TPF), Constellation X-Ray (Con-X), and other future missions. The 4-6 K cooler is highly leveraged off previous Ball space coolers including multiple life test and flight units.
Glaister David S.
Gully Willy
Hendershott P.
Kotsubo V.
Marquardt E.
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