Comparative study of oscillating flow characteristics
of cryocooler regenerator at low temperatures

doi:10.1007/s11708-009-0008-y

Front. Energy

2009, Vol. 3

Issue (1) : 80-84 https://doi.org/10.1007/s11708-009-0008-y

Research articles

Comparative study of oscillating flow characteristics of cryocooler regenerator at low temperatures

Yonglin JU , Qingqing SHEN ,

Institute of Refrigeration and Cryogenics, Shanghai Jiao Tong University, Shanghai 200240, China;

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Abstract A brief review is presented on previous experimental results and correlations on the friction factor of cryocooler regenerators operating at oscillating flow and pulsating pressure conditions, for different mesh sizes of packed woven screens, focusing on the effects of different operating frequencies ranging from 20 to 80 Hz, at room and cryogenic temperatures. A comparison of the friction factor data with those of other studies is presented to clarify the reason for the difference. Finally, a new oscillating flow correlation of regenerators, in terms of several non-dimensional parameters, is discussed and compared.

Keywords friction factor regenerator oscillating flow high frequency

Issue Date: 05 March 2009

Cite this article:

Yonglin JU,Qingqing SHEN. Comparative study of oscillating flow characteristics of cryocooler regenerator at low temperatures[J]. Front. Energy, 2009, 3(1): 80-84.

URL:

https://academic.hep.com.cn/fie/EN/10.1007/s11708-009-0008-y
https://academic.hep.com.cn/fie/EN/Y2009/V3/I1/80

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