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《能源前沿(英文)》 >> 2009年 第3卷 第1期 doi: 10.1007/s11708-009-0008-y

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

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

发布日期: 2009-03-05

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摘要

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.

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