热载荷下LEYBOLD G-M制冷机制冷性能测试

Test of the cooling performance of LEYBOLD G-M cooler under thermal load

简要介绍了高温超导传导冷却的意义和G-M(Gifford-McMahon)制冷机的制冷原理。对高温超导传导冷却用G-M制冷机的空载降温过程,热载荷下的工作过程进行实验分析。总结了制冷机性能测试中的实验过程及方法,解决了实验中的一些问题。

This paper briefly presented the significance of conduction cooling on HTS（high temperature superconductor） and the cooling principle of G-M（Gifford-McMahon） cooler.This study included the experiments and analysis of the cooling process with and without thermal load of the G-M cooler for the conduction cooling on HTS.This paper summarized the process and methods of the experiments in detail and resolved some problems in the performance test.