NASA NTRS · 19950070433
Thermal Strap Increases Cryocooling Efficiency
Abstract
Report discusses concept for decreasing compressor power consumed by spacecraft mechanical cryocooler providing 0.5 W of refrigeration at temperature of 61 K at tip of cold finger. Involves connecting thermal strap between radiator or other heat sink at intermediate temperature and stiffening ring located on cold finger about one-third way from base to tip and attains temperature of about 250 K during normal operation. Depending upon specific design, electrical power consumed by mechanical cryocooler reduced by half.
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Ross, Ronald G., Jr., Johnson, Dean L., Green, Kenneth E.. 1995-11-01. Thermal Strap Increases Cryocooling Efficiency. https://ntrs.nasa.gov/citations/19950070433
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