Experimental Optimization of the Transition Regenerator for Multi-stage Stirling-type Pulse Tube Cryocooler

doi:10.3901/JME.2022.08.244

Abstract

Abstract: The influence of the transition regenerator on the performance of the multi-stage pulse tube cryocooler is usually ignored because of its simple structure. At present, there are no related system researches and optimizations about the multi-stage pulse tube cryocooler with the structure of transition regenerator, but as one of the important components causing PV power loss of the multi-stage stirling-type pulse tube cryocooler, the overall efficiency determines by the efficiency of the transition regenerator. Therefore, a series of parameters of the transition regenerator including the length, diameter and filling method of the stainless steel wire mesh are optimized by experiments. The results showed that the cooling capacity at 20 K is increased by 19.01%.

Key words: multi-stage, stirling-type, pulse tube cryocooler, transition regenerator

CLC Number:

TG156

ZHU Qianglong, QUAN Jia, LIU Yanjie, LIANG Jingtao. Experimental Optimization of the Transition Regenerator for Multi-stage Stirling-type Pulse Tube Cryocooler[J]. Journal of Mechanical Engineering, 2022, 58(8): 244-249.

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