Influence of He-H2 mixture proportion on the performance of pulse tube refrigerator

被引：0
|
作者：
Huang, Y. H. [1 ]
Chen, G. B. [1 ]
Gan, Z. H. [1 ]
Tang, K. [1 ]
Bao, R. [1 ]
机构：
[1] Zhejiang Univ, Cryogen Lab, Hangzhou 310027, Peoples R China
来源：
ICEC 20: PROCEEDINGS OF THE TWENTIETH INTERNATIONAL CRYOGENIC ENGINEERING CONFERENCE | 2005年
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中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
The performance of pulse tube refrigerator (PTR) can be improved by using mixtures as its working fluid. Based on an experimental work on a two-stage PTR with He-H-2 mixture whose hydrogen percentage rising from 0% to 100%, an optimal proportion of H-2 in the He-H-2 mixture for the cooling temperature around 30K was found. At this temperature region, the cooling power and COP of the PTR reach their maximum both with an increment about 30-40% against pure helium when the hydrogen percent is about 60-70%.
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页码：285 / 288
页数：4
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