Influence of the Water-Cooled Heat Exchanger on the Performance of a Pulse Tube Refrigerator

被引：4
|
作者：
Wang, Wei [1 ,2 ]
Hu, Jianying [1 ]
Xu, Jingyuan [1 ,2 ]
Zhang, Limin [1 ]
Luo, Ercang [1 ]
机构：
[1] Chinese Acad Sci, Tech Inst Phys & Chem, TKey Lab Cryogen, Beijing 100190, Peoples R China
[2] Univ Chinese Acad Sci, Coll Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
来源：
APPLIED SCIENCES-BASEL | 2017年 / 7卷 / 03期
基金：
中国国家自然科学基金;
关键词：
heat exchanger; pulse tube refrigerator; shell-tube types; OSCILLATING-FLOW; LARGE-CAPACITY; STIRLING-TYPE; CRYOCOOLER; DESIGN;
D O I：
10.3390/app7030229
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The water-cooled heat exchanger is one of the key components in a pulse tube refrigerator. Its heat exchange effectiveness directly influences the cooling performance of the refrigerator. However, effective heat exchange does not always result in a good performance, because excessively reinforced heat exchange can lead to additional flow loss. In this paper, seven different water-cooled heat exchangers were designed to explore the best configuration for a large-capacity pulse tube refrigerator. Results indicated that the heat exchanger invented by Hu always offered a better performance than that of finned and traditional shell-tube types. For a refrigerator with a working frequency of 50 Hz, the best hydraulic diameter is less than 1 mm.
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收藏
页数：11
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