Experimental investigation of pulse tube refrigerator with rod type displacer as phase shifter

被引：12
|
作者：
Wang, Mingjun [1 ]
Xu, Haojie [1 ]
Lin, Yuzhe [1 ]
Zhang, Zhao [1 ]
Zhu, Shaowei [1 ,2 ]
机构：
[1] Tongji Univ, Sch Mech Engn, Inst Refrigerat & Cryogen, 4800 Caoan Rd, Shanghai 201804, Peoples R China
[2] Tongji Univ, Shanghai Key Lab Vehicle Aerodynam & Vehicle Ther, 4800 Caoan Rd, Shanghai 201804, Peoples R China
来源：
INTERNATIONAL JOURNAL OF REFRIGERATION-REVUE INTERNATIONALE DU FROID | 2018年 / 93卷
基金：
美国国家科学基金会;
关键词：
Pulse tube refrigerator; Displacer; Linear compressor;
D O I：
10.1016/j.ijrefrig.2018.06.006
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Pulse tube refrigerator with rod type displacer as phase shifter has higher theoretical efficiency. A preliminary experiment just got efficiency less than 10%. The refrigerator is improved by changing the linear compressor with a new one for studying its basic character in this paper. A Relative Carnot efficiency of 15.3% is obtained at 99.8 K with 30.0 W cooling power. There is an optimum voltage for efficiency. Cooling power can be adjusted in a wide range with voltage change without big loss of efficiency, which is a very unique character of displacer type pulse tube refrigerator. (C) 2018 Elsevier Ltd and IIR. All rights reserved.
引用
收藏
页码：47 / 51
页数：5
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