PMID: 15244723Jul 13, 2004Paper

Experimental demonstration of thermoacoustic energy conversion in a resonator

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
Tetsushi BiwaTaichi Yazaki

Abstract

Using thermoacoustic energy conversions, both amplification and damping of acoustic intensity are demonstrated. A differentially heated regenerator is installed near the velocity node of the resonator and thereby a high specific acoustic impedance and a traveling wave phase are obtained. It is shown that the gain of acoustic intensity resulting from the traveling wave energy conversion reaches 1.7 in a positive temperature gradient and 0.3 in a negative gradient. When the regenerator is replaced with a stack, it is found that the gain reaches 2.3, exceeding the temperature ratio (=1.9) of both ends of the stack. This is brought about by the addition of standing wave energy conversion. The present results would contribute to the development of new acoustic devices using thermoacoustic energy conversion.

Citations

Sep 4, 2007·The Review of Scientific Instruments·Tetsushi BiwaTaichi Yazaki
Feb 10, 2011·The Journal of the Acoustical Society of America·Tetsushi BiwaTaichi Yazaki
Mar 25, 2010·The Journal of the Acoustical Society of America·Tetsushi Biwa, Taichi Yazaki
May 3, 2007·The Journal of the Acoustical Society of America·Yusuke TashiroTaichi Yazaki
Nov 18, 2011·The Journal of the Acoustical Society of America·Lihua ZhouQing Li
Dec 3, 2008·The Journal of the Acoustical Society of America·Tetsushi BiwaTaichi Yazaki
Dec 15, 2015·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Hiroshi GotodaShigeru Tachibana
Feb 4, 2019·The Journal of the Acoustical Society of America·Yuki Ueda, Naoyuki Ogura
Jul 16, 2005·The Journal of the Acoustical Society of America·Yuki UedaTaichi Yazaki
Apr 2, 2018·The Journal of the Acoustical Society of America·Qi Min
Oct 30, 2014·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Hiroshi GotodaShigeru Tachibana
Oct 4, 2005·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Tetsushi BiwaTaichi Yazaki

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