A seven-Watts G-M/J-T 4K helium refigerator

被引：0

作者：

Yang, GD ^{[1
]}

He, ZH ^{[1
]}

Jiang, W ^{[1
]}

Tang, HM ^{[1
]}

Wang, L ^{[1
]}

机构：

[1] Harbin Inst Technol, Inst Cryogen & Superconduct Technol, Harbin 150001, Peoples R China

来源：

CRYOGENICS AND REFRIGERATION - PROCEEDINGS OF ICCR'2003 | 2003年

关键词：

D O I：

暂无

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

A seven-watts G-M/J-T helium refrigerator at 4K was designed and fabricated at the Institute of Cryogenics and Superconductivity Technology (ICST) in Harbin Institute of Technology (HIT). The refrigerator uses two single-stage Gifford-McMahon (G-M) cryocoolers for precooling the Joule-Thomson (J-T) flow circuit. It mainly consists of five Linde-type heat exchangers and an adjustable J-T valve. The compression system utilizes the G-M type helium compressors to supply the helium flow for the G-M cryocoolers and the J-T circuit. This paper describes the design and optimization of the 4K G-M/J-T refrigerator in detail. The refrigerator can also be operated as a helium liquefier with the production of 36 liter per day.

引用

页码：27 / 30

页数：4

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