Advances on a SPTC/JTC/ADR system for sub-Kelvin cooling

IF 3.5 2区工程技术 Q1 ENGINEERING, MECHANICAL

International Journal of Refrigeration-revue Internationale Du Froid Pub Date : 2024-08-27 DOI:10.1016/j.ijrefrig.2024.08.024

Zhichao Chen , Ping Liu , Yanan Li , Lei Ding , Zhenhua Jiang , Shaoshuai Liu , Yinong Wu , Wei Dai

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引用次数: 0

Abstract

Sub-Kelvin cooling technologies are a critical technology for advanced deep space astrophysical observations. The configuration with adiabatic demagnetization refrigerator (ADR) precooled by Stirling-type pulse-tube cryocooler (SPTC) /Joule-Thomson cryocooler (JTC) is most attractive one for such space applications. In order to meet the demands of future national space science missions, the Technical Institute of Physics and Chemistry (TIPC, CAS) and the Shanghai Institute of Technology Physics (SITP, CAS) have carried out collaborative research. After separately optimizing SPTC, JTC, ADR, and efficient coupling of the three, a sub-Kelvin SPTC/JTC/ADR hybrid refrigeration system is proposed, built, and tested. The hybrid refrigeration system can achieve a no-load minimum temperature of 661 mK and maintain a temperature of 0.9 K without load for 3.78 h, setting the basis for the development of future space-application-targeted sub-Kelvin refrigerator.

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用于亚开尔文冷却的 SPTC/JTC/ADR 系统取得进展

亚开尔文冷却技术是先进的深空天体物理观测的关键技术。由斯特林型脉冲管低温制冷器（SPTC）/焦耳-汤姆逊低温制冷器（JTC）预冷的绝热退磁制冷器（ADR）配置是此类空间应用中最具吸引力的配置。为满足未来国家空间科学任务的需求，中科院理化技术研究所与中科院上海技术物理研究所开展了合作研究。在分别优化了 SPTC、JTC、ADR 以及三者的高效耦合之后，提出、构建并测试了亚开尔文 SPTC/JTC/ADR 混合制冷系统。该混合制冷系统可实现 661 mK 的空载最低温度，并可在 3.78 h 内保持 0.9 K 的空载温度，为未来开发针对太空应用的亚开尔文冰箱奠定了基础。

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来源期刊

International Journal of Refrigeration-revue Internationale Du Froid 工程技术-工程：机械

CiteScore

7.30

自引率

12.80%

发文量

363

审稿时长

3.7 months

期刊介绍： The International Journal of Refrigeration is published for the International Institute of Refrigeration (IIR) by Elsevier. It is essential reading for all those wishing to keep abreast of research and industrial news in refrigeration, air conditioning and associated fields. This is particularly important in these times of rapid introduction of alternative refrigerants and the emergence of new technology. The journal has published special issues on alternative refrigerants and novel topics in the field of boiling, condensation, heat pumps, food refrigeration, carbon dioxide, ammonia, hydrocarbons, magnetic refrigeration at room temperature, sorptive cooling, phase change materials and slurries, ejector technology, compressors, and solar cooling. As well as original research papers the International Journal of Refrigeration also includes review articles, papers presented at IIR conferences, short reports and letters describing preliminary results and experimental details, and letters to the Editor on recent areas of discussion and controversy. Other features include forthcoming events, conference reports and book reviews. Papers are published in either English or French with the IIR news section in both languages.