Investigation on acoustic characteristics of regenerator in the thermoacoustic apparatus

机译：热声装置中蓄热室的声学特性研究

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An acoustic-driven thermoacoustic device, which is used to investigate on acoustic characteristics of regenerator, has been built. The transfer function method is used to measure the transfer function H of regenerator over a broadband frequency range. Reflection coefficient R, transmission loss TL, characteristic impedance Z_c and propagation constant γ are calculated frommeasured H. Furthermore, comparison about acoustic characteristics versus frequency between case a (only regenerator) and case b (regenerator and heat exchanger) is investigated. Different heat power influence on acoustic characteristics of regenerator is also discussed.

机译：构造了用于研究蓄热室的声学特性的声学驱动的热声学装置。传递函数法用于在宽带频率范围内测量再生器的传递函数H。反射系数R，传输损耗TL，特性阻抗Z_c和传播常数γ由测量的H计算得出。此外，还研究了案例a（仅再生器）和案例b（再生器和热交换器）之间的声学特性与频率的比较。还讨论了不同的热功率对蓄热室声学特性的影响。

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《International Cryogenic Engineering Conference(ICEC 20)》|2004年|361-364|共4页
会议地点 Beijing(CN)
作者
Xie X. J.; Li Q.; Chen X.; Yu Z. B.;
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Technical Institute of Physics and Chemistry GSCAS Beijing China;

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1. Theoretical Calculation and Experimental Investigation on Acoustic Characteristics of a Regenerator in Thermoacoustic Apparatus [J] . X.J. Xie, Q. Li, Z.B. Yu Heat transfer . 2005,第8期

机译：热声装置中蓄热室声学特性的理论计算和实验研究
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机译：蓄热室热声转换特性的研究
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机译：优化热声蓄热器，以最大程度地放大声功率
4. Investigation on acoustic characteristics of regenerator in the thermoacoustic apparatus [C] . Xie X. J., Li Q., Chen X., Twentieth International Cryogenic Engineering Conference(ICEC 20) . 2005

机译：热声装置中蓄热室的声学特性研究
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Investigation on acoustic characteristics of regenerator in the thermoacoustic apparatus

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