Single-stage high frequency coaxial pulse tube cryocooler with base temperature below 30 K

被引：19
|
作者：
Yang, L. W. [1 ,2 ]
Xun, Y. Q. [1 ]
Thummes, G. [2 ]
Liang, J. T. [1 ]
机构：
[1] CAS, Tech Inst Phys & Chem, Beijing 100080, Peoples R China
[2] Univ Giessen, Inst Appl Phys, D-35392 Giessen, Germany
来源：
CRYOGENICS | 2010年 / 50卷 / 05期
基金：
中国国家自然科学基金;
关键词：
High frequency; Pulse tube; Inertance tube; Double-inlet; Nozzle;
D O I：
10.1016/j.cryogenics.2010.01.009
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
This paper introduces two single-stage high frequency coaxial pulse tube cryocoolers (PTCs) with base temperature below 30 K. One has reached the lowest temperature of 26.1 K with an electric power of 250 W. which is the reported lowest temperature for single-stage high frequency PTC without multi-bypass Using nozzle for double-inlet instead of need valves, the second PTC has achieved the temperature of 28.6 K with an electric power of 235 W The analysis result is coinciding with experiments in general. The paper shows the advantage of the cooperated phase adjustment method of inertance tube and double-Inlet, they might be the best choice when low temperature PTC is required. (C) 2010 Elsevier Ltd. All rights reserved
引用
收藏
页码：342 / 346
页数：5
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