Archives of Acoustics, 19, 3, pp. 405-418, 1994

Simple waves with finite amplitude in axially-symmetrical channels with annular cross-section

T. Zamorski T. Zamorski
Department of Acoustic Institute of Physics Pedagogical University, 35-310 Rzeszów, ul. Rejtana 16a
Poland

Propagation of a plane progressive sound wave with finite amplitude in a waveguide with variable annular cross-section was considered. It was assumed that this waveguide was filled with loss less gaseous medium and the wave with finite amplitude was generated by a annular piston, which vibrated in harmonic motion at the inlet of the waveguide. The considerations were done in Lagrangian coordinates.
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