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TsAGI Science Journal

ISSN Imprimer: 1948-2590
ISSN En ligne: 1948-2604

TsAGI Science Journal

DOI: 10.1615/TsAGISciJ.2016017798
pages 207-222

BUFFET INTENSITY REDUCTION OF A COMBAT AIRCRAFT WING

Robert Galimovich Abdrashitov
Sukhoi Design Bureau, 23B, Polikarpov str., Moscow 125284, Russia
Vladimir Anatolyevich Pesetsky
Central Aerohydrodynamic Institute (TsAGI), 1 Zhukovsky St., Zhukovsky, Moscow Region, 140180 Russia
Igor Borisovich Chuchkalov
Sukhoi Design Bureau, 23B, Polikarpov str., Moscow 125284, Russia

RÉSUMÉ

The results of a computational and experimental investigation of a separated flow over a container installed at the end section of a combat airplane wing are presented. It was shown that oscillation of the flow separation line on the surface container is the reason for the increased torsional vibrations of the container. The computations and the tests in the TsAGI wind tunnel have demonstrated that the installation of a plate fixing the separation line on the container surface along the generatrix is an effective means of reducing the vibrations of a container with a wing.


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