27th Congress of International Council of the Aeronautical Sciences, 19 - 24 September 2010, Nice, France
Paper ICAS2010-P2.1

TURBULENT SKIN FRICTION REDUCTION OWING TO ELECTROHYDRODYNAMIC INTERACTION IN UNIPOLAR CHARGED FLUID

A. P. Kuryachii, D. A. Rusyanov
TsAGI, Russian Federation

Keywords: shear flow, volumetric charge, electric field

It is shown that volumetric charge transfer owing to cross-flow induced by quasi-streamwise vortices in near wall region of turbulent boundary layer results in appearing both horizontal and vertical volumetric electrostatic forces retarding mentioned cross-flow. As a consequence, the spanwise averaged skin friction reduces.

view full paper