Thermoacoustic effects of inviscid fluids |
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| Authors: | Akira Tominaga Yoshimasa Narahara Taichi Yazaki |
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| Affiliation: | (1) Institute of Physics, University of Tsukuba, Sakura-mura, 305 Ibaraki-ken, Japan;(2) Department of Physics, Aichi University of Education, 448 Kariya, Japan |
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| Abstract: | Thermoacoustic effects of inviscid fluids are studied with the use of linearized hydrodynamic equations. The heat flux and the acoustic energy source due to acoustic waves are related to entropy oscillations due to irreversible processes, and are evaluated for a plane wave in a long cylindrical tube with the boundary condition that the local oscillation of the temperature is absent at the wall surface. The heat flux and acoustic energy source obtained in the standing wave approximation give qualitative explanations of heat pumping and similar experiments and stability limits. |
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