Improvement of Cooling Effect of Loop-Tube-Type Thermoacoustic Cooling System Applying Phase Adjuster

Shin-ichi Sakamoto; Yosuke Imamura; Yoshiaki Watanabe

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Improvement of Cooling Effect of Loop-Tube-Type Thermoacoustic Cooling System Applying Phase Adjuster

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摘要

A phase adjuster (PA) is proposed to improve the cooling effect of a loop-tube-type thermoacoustic cooling system. A PA is a device for accelerating the particle velocity. The PA is embedded in the loop tube and narrows the cross-sectional area of the part of the loop tube. The PA creates a strong boundary condition in which the particle velocity is accelerated. It is confirmed that the phases of the sound pressure and particle velocity are adjusted so that the sound generated in the loop tube is resonated with the total tube length at one-wavelength resonance. This results in a great improvement in the cooling effect of the thermoacoustic cooling system.

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来源
《Japanese journal of applied physics》 |2007年第7b期|4951-4955|共5页
作者
Shin-ichi Sakamoto; Yosuke Imamura; Yoshiaki Watanabe;
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作者单位

Faculty of Engineering, Doshisha University, Kyotanabe, Kyoto 610-0321, Japan;

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原文格式 PDF
正文语种英语
中图分类应用物理学;
关键词
thermoacoustic; cooling system; phase adjuster (PA); particle velocity; resonance wavelength; resonance;

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Improvement of Cooling Effect of Loop-Tube-Type Thermoacoustic Cooling System Applying Phase Adjuster

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