Abstract
Advances in sorption refrigeration at Aerojet Electronic Systems Division have resulted in concept designs which offer significant performance improvements. A 2 W, 137 K sorption refrigerator has been constructed which is the first cooler to incorporate these advanced concepts. This cooler is currently undergoing performance testing. Powdered charcoal is used as the sorbent and methane as the refrigerant. Expansion is accomplished using a passive Joule-Thomson valve. The test results are presented here and a comparison is made to the performance predicted by a detailed second-order analytical model.
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