Abstract
A numerical model of turbulent wake dynamics with small excess momentum in linearly stratified fluid has been created on the basis of a three-dimensional parabolized system of averaged equations for motion, continuity, incompressibility, energy of turbulence and the rate of dissipation transfer. The calculation results show that as in the case of homogeneous fluid, the wake’s excess momentum of the order of ±5% and ±10% off the total momentum in the drag wake has a weak influence on the decay of the turbulent energy and more significant influence on the axis value of the defect of the longitudinal velocity component. Turbulent wakes with small excess momentum generate internal waves which differ only insignificantly from the waves generated by momentumless wakes.
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