Abstract
This paper focuses on the temperature and pressure characteristics of a Swift-Backhaus type traveling-wave thermoacoustic prime mover during its onset and damping processes, in order to understand the intrinsic mechanism of thermoacoustic oscillation onset and the feasibility of using low-grade thermal energy based on a low onset temperature. The influences of heat input and filling pressure on hysteretic loop, due to the noncoincidence between onset and damping processes, are measured and analyzed. The condition for the occurrence of hysteresis is also briefly discussed.
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Project supported by the National Natural Science Foundation of China (Nos. 50776075 and 50536040), and the Natural Science Foundation of Zhejiang Province (No. Y107229), China
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Jin, T., Mao, Cs., Tang, K. et al. Characteristics study on the oscillation onset and damping of a traveling-wave thermoacoustic prime mover. J. Zhejiang Univ. Sci. A 9, 944–949 (2008). https://doi.org/10.1631/jzus.A0820061
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DOI: https://doi.org/10.1631/jzus.A0820061