20 K及以下多级斯特林型脉管制冷机研究进展  

Research progess on multi stage Stirling type pulse tube cryocooler below 20 K

作　　者：张淑芮 朱绍伟[1] Zhang Shurui;Zhu Shaowei(Institute of Refrigeration and Cryogenic Engineering,School of Mechanical Engineering,Tongji University,Shanghai 201804,China)

机构地区：[1]同济大学机械与能源工程学院制冷及低温工程研究所,上海201804

出　　处：《低温与超导》2024年第5期1-11,共11页Cryogenics and Superconductivity

基　　金：国家自然科学基金(52076151);国家重点研发计划项目(2022YFB4002802)资助。

摘　　要：脉管制冷机的调相结构至关重要,其目的在于将质量流与压力波的同相位置调整至约回热器的中间位置,从而有效降低回热器损失提升制冷机效率。本文归纳了多种调相机构在多级脉管制冷机中的具体应用,总结了过去十五年间在20 K及以下温度区间的斯特林型脉管制冷机的研究动态和进展。此外,本文也提出了多级斯特林型脉管制冷机在未来应用领域的发展前景以及潜在的技术发展方向。In the design of pulse tube cryocoolers,the application of the phase shifter is crucial,aiming to make the mass flow and pressure in phase close to the middle of the regenerator,thereby effectively reducing regenerator losses and enhancing the efficiency of the cryocooler.This paper summarized the applications of various phase shifters in multi-stage pulse tube cryocoolers and reviewed the research trends and progress in Stirling-type pulse tube cryocoolers operating at or below 20 K over the past fifeen years.Furthermore,this paper also outlined the future application prospects and potential technical development directions for multi-stage Stirling-type pulse tube cryocoolers.

关 键 词：斯特林型脉管制冷机 研究进展 调相结构 

分 类 号：TB651[一般工业技术—制冷工程]