【摘要】 指出切换式脉管制冷机在利用天然带压气源获取冷量方面具有一定的结构优势，因而开展了对切换式脉管制冷机的实验研究，探讨了主要操作参数对性能的影响。基本的实验研究为进一步的功能性研究和优化研究准备了基础，同时可以寻求它在实用上的可能性。更多还原

【Abstract】 The shift type pulse tube refrigerator has structural superio-rity in gaining the refrigeration power from the natural gas resource with pressure,therefore the experimental investigation on shift type cooler is launched.The affect of some parameters on the refrigerator performances is discussed.Basic experimental analysis prepares the basis for the further functional and optimum study and at the same time discovers the posibility in the practical application of shift type pulse tube refrigerator.更多还原