Abstract Stirling cycle cryocoolers have successfully been used to provide thermal control for many space applications, particularly Earth observation instruments employing infrared telescopes. These coolers typically provide cooling powers of 0.5-LOW at 80K. Recent developments have reduced heat lift requirements with the result that these coolers may be larger and more massive than required for some applications. Derating can also lead to a drop in efficiency. A small Stirling cycle cryocooler optimized for a l00mW heat lift is under development at Oxford University. An integral geometry has been chosen, and the cooler is to be mounted on a radiator. A prototype has been manufactured and assembled. Performance will be investigated over a range of operating conditions, and results will be integrated into a simple computer model of the cooler. Some preliminary results are presented.
Development of a Low-Power Stirling Cycle Cryocooler for Space Applications
Cryocoolers 12 ; 27-30
2003-01-01
4 pages
Article/Chapter (Book)
Electronic Resource
English
Development of a Low-Power Stirling Cycle Cryocooler for Space Applications
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