Abstract
The performance of pulse tube coolers is being studied in order to determine their suitability for development into long life space coolers. Coolers based on the pulse tube phenomenon appear to be attractive for long life space application because of their inherent simplicity. Single-stage and two-stage pulse tube test coolers have been designed and tested. In these early tests a single stage cooler has achieved a low temperature of 53K while rejecting heat above 3O0K. An unoptimized two-stage cooler has reached 26K while rejecting heat above 30OK. Performance measurements for the coolers is presented.
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