A lightweight high-capacity pulse tube cryocooler operating at 80 K

被引：0
|
作者：
Wang, Nailiang [1 ]
Tang, Qingjun [1 ,2 ]
Xun, Yuqiang [1 ,2 ]
Liang, Menglin [1 ,2 ]
Zhao, Miguang [1 ,2 ]
Chen, Houlei [1 ,2 ]
Liang, Jingtao [1 ,2 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, Key Lab Technol Space Energy Convers, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Beijing 100190, Peoples R China
来源：
CRYOGENICS | 2024年 / 138卷
基金：
中国国家自然科学基金;
关键词：
Lightweight; Pulse tube cryocooler; Infrared detector; 80K;
D O I：
10.1016/j.cryogenics.2024.103800
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Lightweight high -capacity pulse tube cryocooler holds significant potential for cooling infrared detectors in various applications. In this work, a comprehensive analysis was undertaken to identify the key parameters for the cryocooler weight reduction. A miniature cold finger was designed and optimized using a small compressor. At present, a novel and lightweight single -stage coaxial pulse tube cryocooler has been developed. It demonstrates a cooling power of 11 W at 80 K and with frequency of 102 Hz. Notably, the cryocooler exhibits a significantly reduced weight of 4.4 kg, which is less than half the weight of a conventional 10 W/80 K cryocooler.
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页数：5
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