The Proceedings of the Symposium on Stirlling Cycle
Online ISSN : 2424-2926
2002.6
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Thermoacoustic Stirling Engine using a resonance tube
Yusuke TASHIROTetsushi BIWAYuki UEDATaichi YAZAKIUichiro MIZUTANI
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CONFERENCE PROCEEDINGS FREE ACCESS

Pages 131-132

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Abstract
A thermoacoustic Stirling Engine with a high efficiency needs both the traveling wave phase and high acoustic impedance. However, the acoustic impedance of a freely traveling plane wave is fixed at the ρδ, resulting in significant viscous energy losses due to high acoustic velocities. So we focus on a position in a resonance tube, where both a high acoustic impedance and a traveling wave phase are formed. We put a regenerator stacked with many screen meshes into this paticular position and externally imposed steep temperature gradients along the regenerator. We succeed in the amplification and attenuation of sound intensity depending on the sign of the temperature gradient.
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© 2002 The Japan Society of Mechanical Engineers
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