自预冷型四级高频脉冲管制冷机的研究  

Investigations on the Four-stage High Frequency Pulse Tube Cryocooler With Self-precooling

作　　者：谭军[1] 查睿 张涛[1,2] 李嘉麒 赵永江 赵帮健 谭涵 薛仁俊 党海政 TAN Jun;ZHA Rui;ZHANG Tao;LI Jia-Qi;ZHAO Yong-Jiang;ZHAO Bang-Jian;TAN Han;XUE Ren-Jun;DANG Hai-Zheng(State Key Laboratory of Infrared Physics,Shanghai Institute of Technical Physics,Chinese Acadeiny of Sciences.Shanghai 200083,China;University of Chinese Academy of Sciences,Beijing 100049,China)

机构地区：[1]中国科学院上海技术物理研究所红外物理国家重点实验室,上海200083 [2]中国科学院大学,北京100049

出　　处：《工程热物理学报》2021年第4期841-846,共6页Journal of Engineering Thermophysics

基　　金：上海市自然科学基金项目(No.19ZR1465300);中国科学院装备预研联合基金项目(No.6141A01070102);上海市科研计划项目(No.18511110100,No.18511110101,No.18511110102,No.19511106800,No.19511106801,No.19511106802,No.2019-jmrh2-kj2);上海市市级科技重大专项(No.2019SHZDZX01)。

摘　　要：液氦温区在深空探测、甚长波红外探测、太赫兹探测、低温超导等众多领域中具有独特应用,基于此背景,本文开展了可直接获取液氦温区且具有实用意义的自预冷型四级高频脉冲管制冷机的理论和实验研究,建立制冷机的模型,对其关键结构参数和运行参数进行分析与优化。所研制的四级高频脉冲管制冷机在无外部预冷的条件下,最终获取到4.28 K的最低无负荷制冷温度。The liquid helium temperature zone has unique applications in many fields such as deep space detection,very long wavelength infrared detection,terahertz detection,and low-temperature superconductivity,etc.Based on this background,this paper carried out a theoretical and experimental study of a four-stage high frequency pulse tube cryocooler with self-precooling,which aims to directly obtain the liquid helium temperature zone and to be applied in actual applications.Analytical model of the cooler will be established to analysis and optimize the key structural parameters and operating ones.Under the condition of no external pre-cooling,the developed four-stage high frequency pulse tube cryocooler finally obtains a lowest no-load cooling temperature of 4.28 K.

关 键 词：自预冷 四级 高频 脉冲管制冷机 

分 类 号：TK123[动力工程及工程热物理—工程热物理]