The third type DC flow in pulse tube cryocooler

被引：6
|
作者：
Zhou Yuan [1 ]
Gu Chao [1 ,2 ]
Cai HuiKun [1 ,2 ]
机构：
[1] Chinese Acad Sci, Key Lab Cryogen, Tech Inst Phys & Chem, Beijing 100190, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES | 2009年 / 52卷 / 12期
基金：
中国国家自然科学基金;
关键词：
pulse tube cryocooler; DC flow; fluid network theory; flow resistance; REFRIGERATORS;
D O I：
10.1007/s11431-009-0287-x
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
New phenomena discovered in the experimental research of the ultra-high frequency pulse tube cryocooler were presented. The cause of the new phenomena was analyzed and the third type DC flow was discovered in the pulse tube cryocooler. The third type DID flow not only deteriorated cooling capacity but also led to temperature instability of the pulse tube cryocooler. From the fluid network theory and the simple regenerator model, the root of the third type DC flow was concisely investigated in theory. The asymmetric resistance of oscillating flow in pulse tube cryocooler was the key mechanism of the third type DID flow. Some suppression methods were briefly discussed.
引用
收藏
页码：3491 / 3496
页数：6
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