Innovative phase shifter for pulse tube operating below 10 K

被引：1
|
作者：
Duval, Jean-Marc [1 ,2 ]
Charles, Ivan [1 ,2 ]
Daniel, Christophe [3 ]
Andre, Jerome [1 ,2 ]
机构：
[1] Univ Grenoble Alpes, INAC SBT, F-38000 Grenoble, France
[2] CEA, INAC SBT, F-38000 Grenoble, France
[3] CNES, 18 Ave Edouard Belin, F-31401 Toulouse 9, France
来源：
CRYOGENICS | 2016年 / 78卷
关键词：
Cryocooler; Pulse tube; Diaphragm; Inertance tube;
D O I：
10.1016/j.cryogenics.2016.07.009
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Stirling type pulse tubes are classically based on the use of an inertance phase shifter to optimize their cooling power. The limitations of the phase shifting capabilities of these inertances have been pointed out in various studies. These limitations are particularly critical for low temperature operation, typically below about 50 K. An innovative phase shifter using an inertance tube filled with liquid, or fluid with high density or low viscosity, and separated by a sealed metallic diaphragm has been conceived and tested. This device has been characterized and validated on a dedicated test bench. Operation on a 50-80 K pulse tube cooler and on a low temperature (below 8 K) pulse tube cooler have been demonstrated and have validated the device in operation. These developments open the door for efficient and compact low temperature Stirling type pulse tube coolers. The possibility of long life operation has been experimentally verified and a design for space applications is proposed. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：89 / 95
页数：7
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