Abstract
The sound modes in a plane fluid layer with sound-absorbing walls at different temperatures are evaluated. The eigenvalue problem is solved by means of a singular perturbation theory and the WKB method. The bending of sound, the nonexponential damping, and the roie of the wall admittance are discussed.
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Schmitz, R. Sound modes in a nonequilibrium fluid with acoustic boundary conditions. J Stat Phys 57, 549–579 (1989). https://doi.org/10.1007/BF01022822
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DOI: https://doi.org/10.1007/BF01022822