Some characteristics of turbulent flows with a zero margin of momentum
Abstract
In the present paper, the Reynolds equation for averaged motion, in which normal turbulent stresses are taken into consideration, is used in combination with the energy pulsation equations to analyze the selfsimulating development of a turbulent wake with a zero margin of momentum in the far field of the perturbing source. Allowance for the normal turbulent stresses leads to a structure of flow turbulence, whose characteristics differ from those of ordinary selfsimilar turbulent flows, primarily, in that the mean longitudinal damping rate is proportional to the meansquare pulsation rate, and the ratio of the turbulent shear stress to the mean square pulsation rate diminishes downstream.
 Publication:

TsAGI Uchenye Zapiski
 Pub Date:
 1975
 Bibcode:
 1975ZaTsA...6...71S
 Keywords:

 Impulses;
 Momentum Transfer;
 Reynolds Equation;
 Shear Flow;
 Turbulent Wakes;
 Mathematical Models;
 Oscillating Flow;
 Reynolds Stress;
 Turbulent Flow;
 Fluid Mechanics and Heat Transfer