This article is cited in 24 papers

Linear theory of the propagation of internal wave beams in an arbitrarily stratified liquid

Yu. V. Kistovich, Yu. D. Chashechkin

Institute of Problems of Mechanics, Russian Academy of Sciences, Moscow 117526

Abstract: Beams of harmonic internal waves in a liquid with smoothly changing stratification are calculated in the Boussinesq approximation taking into account the effects of diffusion and viscosity. A procedure of local reduction of the beam in a medium with an arbitrary smooth stratification to the case of an exponentially stratified liquid is constructed. The coefficient of energy losses in the case of beam reflection on the critical level is calculated. Parameters of internal boundary flows with split scales of velocity and density that are formed by a wave beam on discontinuities of the buoyancy frequency and its higher derivatives are determined.

UDC: 551.466.81

Received: 19.12.1996

 English version: Journal of Applied Mechanics and Technical Physics, 1998, 39:5, 729–737