Simulation of turbulent motion generation in edge wakes

M. Ya. Ivanov

Central Institute of Aviation Motors, Moscow

Abstract: Some results of turbulence generation simulation are presented. The proposed mathematical model follows from special averaged procedure on the scale near free molecules run length. This turbulence generation mechanism is described by expanded system of unsteady Euler and Navier–Stokes equations with additional dispersive terms of the third order, which are results of average procedure. Integration of initial hydrodynamics equations is fulfilled by known Godunov's method of the second order of accuracy. Calculated average parameters of turbulent flows have the agreement with experimental results.

Received: 10.10.2007

 English version: Mathematical Models and Computer Simulations, 2009, 1:6, 780–788

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