Abstract
Wave propagation in the ideal liquid flowing in a cylindrical circular channel is described. The channel is considered as an elastic shell and the interaction of density and pressure waves in the liquid with elastic waves in the walls is taken into account. It is shown that the flow may exhibit instability under certain conditions. Conditions for the convective and absolute instability development are determined. The pattern of instability development and the onset of turbulence in this model differs from the analogous scenario in a viscous liquid model.
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