Infrared imaging as a means of characterizing temperature distributions of thermoacoustic regenerators

Wang Bo; Qiu Limin; Sun D.M.; Wang K.; Liu Y; Lu J L

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Infrared imaging as a means of characterizing temperature distributions of thermoacoustic regenerators

Wang Bo,Qiu Limin *,Sun D.M.,Wang K.,Liu Y,Lu J L

Institute of Refrigeration and Cryogenics, Zhejiang University

*Correspondence author

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Funding: 教育部博士点基金,New century excellent talents in university（No.20060335120,NCET-06-0521）

Opened online:24 June 2009

Accepted by: none

Citation: Wang Bo,Qiu Limin,Sun D.M..Infrared imaging as a means of characterizing temperature distributions of thermoacoustic regenerators[OL]. [24 June 2009] http://en.paper.edu.cn/en_releasepaper/content/33402

The regenerator is a key component of a thermoacoustic engine (TE), its temperature distribution has a dominant influence on the onset process. In order to get better understanding of the onset mechanism of a TE, an infrared (IR) camera is used for the first time in TE study to measure the temperature distribution of the regenerator. The new method gives the evolution of the regenerator temperature and pressure of the TE, enhances the understanding of the onset process. In addition, the functions of Helmholtz resonators in onset process are studied.

Keywords:thermoacoustics;onset;infrared imaging;Helmholtz resonator

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