Theoretical and experimental investigations on the cooling capacity distributions at the stages in the thermally-coupled two-stage Stirling type pulse tube cryocooler without external precooling

doi:10.1016/j.cryogenics.2017.01.006

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	Theoretical and experimental investigations on the cooling capacity distributions at the stages in the thermally-coupled two-stage Stirling type pulse tube cryocooler without external precooling
	Tan J; Dang HZ
刊名	CRYOGENICS
	2017
卷号	82 页码:48-61
DOI	10.1016/j.cryogenics.2017.01.006
英文摘要	The two-stage Stirling-type pulse tube cryocooler (SPTC) has advantages in simultaneously providing the cooling powers at two different temperatures, and the capacity in distributing these cooling capacities between the stages is significant to its practical applications. In this paper, a theoretical model of the thermally-coupled two-stage SPTC without external precooling is established based on the electric circuit analogy with considering real gas effects, and the simulations of both the cooling performances and PV power distribution between stages are conducted. The results indicate that the PV power is inversely proportional to the acoustic impedance of each stage, and the cooling capacity distribution is determined by the cold finger cooling efficiency and the PV power into each stage together. The design methods of the cold fingers to achieve both the desired PV power and the cooling capacity distribution between the stages are summarized. The two-stage SPTC is developed and tested based on the above thedretical investigations, and the experimental results show that it can simultaneously achieve 0.69 W at 30 K and 3.1 W at 85 K with an electric input power of 330 W and a reject temperature of 300 K. The consistency between the simulated and the experimental results is observed and the theoretical investigations are experimentally verified.(C) 2017 Elsevier Ltd. All rights reserved.
内容类型	期刊论文
源URL	[http://202.127.2.71:8080/handle/181331/12287]
专题	上海技术物理研究所_上海技物所
作者单位	Shanghai Inst Tech Phys
推荐引用方式 GB/T 7714	Tan J,Dang HZ. Theoretical and experimental investigations on the cooling capacity distributions at the stages in the thermally-coupled two-stage Stirling type pulse tube cryocooler without external precooling[J]. CRYOGENICS,2017,82:48-61.
APA	Tan J,&Dang HZ.(2017).Theoretical and experimental investigations on the cooling capacity distributions at the stages in the thermally-coupled two-stage Stirling type pulse tube cryocooler without external precooling.CRYOGENICS,82,48-61.
MLA	Tan J,et al."Theoretical and experimental investigations on the cooling capacity distributions at the stages in the thermally-coupled two-stage Stirling type pulse tube cryocooler without external precooling".CRYOGENICS 82(2017):48-61.