6. Physics of a Fluid, Neutral and Ionized Gases

ON THE INFLUENCE OF POROUS COATING THICKNESS ON SUPERSONIC BOUNDARY LAYER STABILITY

Vladimir I. Lysenko
1. Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences Novosibirsk, Russian Federation
vl@itam.nsc.ru
Sergey A. Gaponov
1. Khristianovich Institute of Theoretical and Applied Mechanics SB RAS Novosibirsk, Russian Federation
gaponov@itam.nsc.ru
Boris V. Smorodsky
1. Khristianovich Institute of Theoretical and Applied Mechanics of the Siberian Branch of the Russian Academy of Sciences Novosibirsk, Russian Federation
smorodsk@itam.nsc.ru
The material was received by the Editorial Board: 09.07.2015
Theoretical and experimental investigation of the influence of porous-coating thickness on the stability of the supersonic flat-plate boundary layer at free-stream Mach number M = 2 have been performed. Good quantitative agreement of experimental data obtained with artificially generated disturbances performed on models with various porous inserts and calculations based on the linear stability theory has been achieved. It is shown that the increase of the porous-coating thickness leads to the boundary layer destabilization.

Keywords:
supersonic boundary layer, instability, laminar-turbulent transition, permeable coating. 
УДК 532.526

ON THE INFLUENCE OF POROUS COATING THICKNESS ON SUPERSONIC BOUNDARY LAYER STABILITY 
References: Lysenko V. I., Gaponov S. A., Smorodsky B. V., Ermolaev Yu. G., Kosinov A. D., Semionov N. V. ON THE INFLUENCE OF POROUS COATING THICKNESS ON SUPERSONIC BOUNDARY LAYER STABILITY. Vestnik NSU. Series: Physics. 2015, vol. 10, no. 3. P. 41–47 (in Russ.). DOI: 10.54362/1818-7919-2015-10-3-41-47