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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.9 P.1452-1456


Influence of input acoustic power on regenerator’s performance

Author(s):  TANG Ke, HUANG Zhong-jie, JIN Tao, BAO Rui, CHEN Guo-bang

Affiliation(s):  Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou 310027, China

Corresponding email(s):   ktang@zju.edu.cn, jintao@zju.edu.cn

Key Words:  Regenerator, Pulse tube cooler, Simple harmonic analysis

TANG Ke, HUANG Zhong-jie, JIN Tao, BAO Rui, CHEN Guo-bang. Influence of input acoustic power on regenerator’s performance[J]. Journal of Zhejiang University Science A, 2007, 8(9): 1452-1456.

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%DOI 10.1631/jzus.2007.A1452

T1 - Influence of input acoustic power on regenerator’s performance
A1 - TANG Ke
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A1 - JIN Tao
A1 - BAO Rui
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PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A1452

Performance of a pulse tube cooler significantly depends on the efficient operation of its regenerator. Influence of input acoustic power on regenerator’s performance is simulated and analyzed with simple harmonic analysis method. Given regenerator’s dimensions and pressure ratio, there is an optimal input acoustic power for achieving a highest coefficient of performance, due to a compromise between relative time-averaged total energy flux in regenerator and relative acoustic power at regenerator’s cold end. Additionally, optimal dimensions of regenerator are also estimated and presented for different input acoustic powers. The computed optimal diameter obviously increases with increase of input acoustic power, while the optimal length decreases slightly, and as a result, a larger input acoustic power requires a smaller aspect ratio (length over diameter).

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article


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