Investigation on the oscillation modes in a thermoacoustic Stirling prime mover: mode stability and mode transition

Yu, Z. , Li, Q., Chen, X., Guo, F.Z., Xie, X.J. and Wu, J.H. (2003) Investigation on the oscillation modes in a thermoacoustic Stirling prime mover: mode stability and mode transition. Cryogenics, 43(12), pp. 687-691. (doi:10.1016/S0011-2275(03)00183-8)

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Publisher's URL: http://dx.doi.org/10.1016/S0011-2275(03)00183-8

Abstract

The purpose of this paper is to investigate the stability of oscillation modes in a thermoacoustic Stirling prime mover, which is a combination of looped tube and resonator. Two modes, with oscillation frequencies of 76 and 528 Hz, have been observed, stabilities of which are widely different. The stability of the high frequency mode (HFM) is affected by low frequency mode (LFM) strongly. Once the LFM is excited when the HFM is present, the HFM will be gradually slaved and suppressed by the LFM. The details of the transition from HFM to LFM have been described. The two stability curves of the two modes have been measured. Mean pressure P<sub>m</sub> is an important control parameter influencing the mode stability in the tested system.

Item Type:Articles
Status:Published
Refereed:Yes
Glasgow Author(s) Enlighten ID:Yu, Professor Zhibin
Authors: Yu, Z., Li, Q., Chen, X., Guo, F.Z., Xie, X.J., and Wu, J.H.
Subjects:T Technology > T Technology (General)
College/School:College of Science and Engineering > School of Engineering > Systems Power and Energy
Journal Name:Cryogenics
ISSN:0011-2275
ISSN (Online):1879-2235

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