NUMERICAL MODELING OF THE EFFECT OF IMPROVING THE AERODYNAMIC EFFICIENCY OF PROFILES DUE TO THE SUCTION IN VORTEX CELLS P. A. Baranov , S. A. Isaev , Yu. S. Prigorodov , and A. G. Sudakov UDC 532.517.4 Based on numerical solution of Reynolds equations that are closed using a two-parameter dissipative model of turbulence by the finite-volume method the authors substantiated a technique for decreasing the drag and achieving high efficiency of thick profiles by means of intensification of the flow in vortex cells built into the contour. JEPTER74920199917 JEPTER7492017