A two-stage Stirling-type pulse tube cryocooler with a cold inertance tube

被引：25
作者：
Gan, Z. H. [1 ,2 ]
Fan, B. Y. [1 ]
Wu, Y. Z. [1 ]
Qiu, L. M. [1 ,2 ]
Zhang, X. J. [1 ]
Chen, G. B. [1 ]
机构：
[1] Zhejiang Univ, Inst Refrigerat & Cryogen Engn, Cryogen Lab, Hangzhou 310027, Peoples R China
[2] Zhejiang Univ, State Key Lab Clean Energy Utilizat, Hangzhou 310027, Peoples R China
来源：
CRYOGENICS | 2010年 / 50卷 / 6-7期
关键词：
Pulse tube refrigeration; REGEN3.2; Regenerator; Cold inertance tube; High frequency;
D O I：
10.1016/j.cryogenics.2010.03.007
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
A thermally coupled two-stage Stirling-type pulse tube cryocooler (PTC) with inertance tubes as phase shifters has been designed, manufactured and tested. In order to obtain a larger phase shift at the low acoustic power of about 2.0 W, a cold inertance tube as well as a cold reservoir for the second stage, pre-cooled by the cold end of the first stage, was introduced into the system. The transmission line model was used to calculate the phase shift produced by the cold inertance tube. Effect of regenerator material, geometry and charging pressure on the performance of the second stage of the two-stage PTC was investigated based on the well known regenerator model REGEN. Experimental results of the two-stage PTC were carried out with an emphasis on the performance of the second stage. A lowest cooling temperature of 23.7 K and 0.50 W at 33.9 K were obtained with an input electric power of 150.0 W and an operating frequency of 40 Hz. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：426 / 431
页数：6
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