NUMERICAL ANALYSIS OF THE INFLUENCE OF
ROTARY REAR CYLINDERS ON A NONSTATIONARY 
WAKE BEHIND AN ELONGATED BODY

P. A. Baranov, S. A. Isaev, and
A. E. Usachev

UDC 532:517.2

The influence of rotary rear cylinders on a nonstationary wake 
behind a rounded-off plate is analyzed numerically based on the 
solution of nonstationary Navier-Stokes equations on multiblock 
computational grids by the finite-volume method. It is shown that 
the von Karman vortex trail, which develops behind the body to the 
point of formation of a virtually steady jet flow, substantially 
weakens as the rotational velocity of the cylinders increases.

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