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浙江大学学报(工学版)  2017, Vol. 51 Issue (8): 1633-1639    DOI: 10.3785/j.issn.1008-973X.2017.08.020
黎明, 封叶, 汤珂, 金滔
浙江大学 浙江省制冷与低温技术重点实验室, 浙江 杭州 310027
Influence of Gedeon streaming on performance of four-stage travelling-wave thermoacoustic engine
LI Ming, FENG Ye, TANG Ke, JIN Tao
Key Laboratory of Refrigeration and Cryogenic Technology of Zhejiang Province, Zhejiang University Hangzhou 310027, China
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A thermoacoustic core with various amount of Gedeon streaming under given heating power and inlet conditions was simulated based on the thermoacoustic theory in order to analyze the influence of Gedeon streaming on the performance of a four-stage thermoacoustic engine with looped configuration. The characteristics of acoustic field inside the thermoacoustic core, including the profiles of temperature, volumetric velocity amplitude, pressure amplitude, phase difference between pressure oscillation and velocity oscillation, acoustic power and total energy flow rate were calculated and analyzed. The mechanism of Gedeon streaming affecting the temperature profiles inside the regenerator and the thermal buffer tube was analyzed. Results show that the energy flow rate carried by the Gedeon streaming is the key factor in the local temperature gradient. The influence of Gedeon streaming on the thermal efficiency of the four-stage travelling-wave thermoacoustic engine was quantitatively evaluated.

收稿日期: 2016-05-30 出版日期: 2017-08-16
CLC:  TB51  


通讯作者: 汤珂,男,副教授.ORCID:0000-0002-6452-9697.     E-mail:
作者简介: 黎明(1993-),男,硕士生,从事热声热机等研究
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黎明, 封叶, 汤珂, 金滔. Gedeon声直流对四级行波热声发动机性能的影响[J]. 浙江大学学报(工学版), 2017, 51(8): 1633-1639.

LI Ming, FENG Ye, TANG Ke, JIN Tao. Influence of Gedeon streaming on performance of four-stage travelling-wave thermoacoustic engine. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 2017, 51(8): 1633-1639.


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