Study on a Cascade Pulse Tube Cooler with Work Recovery

2015 
Abstract On the basis of traditional single stage pulse tube cooler, a cascade pulse tube cooler is designed and fabricated which includes a primary and a secondary stage pulse tube cooler connected by a transmission tube which recovers the acoustic power from the primary stage. In this paper, the transmission tube and the secondary cooler are optimally designed. Cooling power of 207.9 W is obtained in the preliminary experiment, which is higher than the maximum cooling capacity 189.6 W of the single stage cooler, which demonstrates our concept.
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