Presentation 2009-01-30
A study for the miniaturization of thermoacoustic cooling system : Discussion about the heat pump effect with compression driver
Kohei HOTTA, Shin-ichi SAKAMOTO, Daichi TSUKAMOTO, Yoshiaki WATANABE,
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Abstract(in English) Experimental investigation was carried out to miniature thermoacoustic cooling system. The loop tube cooling system is one of the thermoacoustic cooling system. In the loop tube, relationship between frequency and total length is inverse proportional. Therefore the frequency becomes high when the system is miniaturized. From this reason, the optimal condition to cool efficiently changes at the heat pump. In this research, we focused on two parameters. One is the ωτ and the other is installation position of stack. These parameters relate to cooling efficiency. Then we measured cooling property relevant to these parameters. From experimental results, when the system was miniaturized up to approximately 100mm, minimal temperature decrease was confirmed by adjusting ωτ and installation position. And the optimal installation position of stack was different by ωτ. From this, it is expected that ωτ and sound field can be applied as a design manual of heat pump.
Keyword(in Japanese) (See Japanese page)
Keyword(in English) Thermoacoustic phenomenon / Miniaturization / Heat pump effect / Installation position of stack / ωτ
Paper # US2008-86,EA2008-130
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Committee EA
Conference Date 2009/1/22(1days)
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Registration To Engineering Acoustics (EA)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A study for the miniaturization of thermoacoustic cooling system : Discussion about the heat pump effect with compression driver
Sub Title (in English)
Keyword(1) Thermoacoustic phenomenon
Keyword(2) Miniaturization
Keyword(3) Heat pump effect
Keyword(4) Installation position of stack
Keyword(5) ωτ
1st Author's Name Kohei HOTTA
1st Author's Affiliation Faculty of Engineering, Doshisha University()
2nd Author's Name Shin-ichi SAKAMOTO
2nd Author's Affiliation Department of Electronic Systems Engineering, University of Shiga Prefecture
3rd Author's Name Daichi TSUKAMOTO
3rd Author's Affiliation Faculty of Engineering, Doshisha University
4th Author's Name Yoshiaki WATANABE
4th Author's Affiliation Faculty of Life and Medical Sciences, Doshisha University
Date 2009-01-30
Paper # US2008-86,EA2008-130
Volume (vol) vol.108
Number (no) 411
Page pp.pp.-
#Pages 6
Date of Issue