Effect of Low Temperature on a 4 W/60 K Pulse-Tube Cryocooler for Cooling HgCdTe Detector

被引：4

作者：

Zhang, Ankuo ^{[1
]}

Liu, Shaoshuai ^{[1
]}

Wu, Yinong ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Tech Phys, 500 Yu Tian Rd, Shanghai 200083, Peoples R China

来源：

JOURNAL OF LOW TEMPERATURE PHYSICS | 2018年 / 192卷 / 3-4期

基金：

国家重点研发计划;

关键词：

Pulse-tube cryocooler; Low temperature; 4; W/60; K; HgCdTe; INERTANCE TUBE; REFRIGERATORS;

D O I：

10.1007/s10909-018-1928-x

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Temperature is an extremely important parameter for the material of the space-borne infrared detector. To cool an HgCdTe-infrared detector, a Stirling-type pulse-tube cryocooler (PTC) has been developed based on a great deal of numerical simulations, which are performed to investigate the thermodynamic behaviors of the PTC. The effects of different low temperatures are presented to analyze different energy flows, losses, phase shifts, and impedance matching of the PTC at a temperature range of 40-120 K, where woven wire screens are used. Finally, a high-efficiency coaxial PTC has been designed, built, and tested, operating around 60 K after a number of theoretical and experimental studies. The PTC can offer a no-load refrigeration temperature of 40 K with an input electric power of 150 W, and a cooling power of 4 W at 60 K is obtained with Carnot efficiency of 12%. In addition, a comparative study of simulation and experiment has been carried out, and some studies on reject temperatures have been presented for a thorough understanding of the PTC system.

引用

页码：184 / 200

页数：17

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