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Title of Article

AN EXPERIMENTAL STUDY OF STABILITY AND TRANSITION OF A SUPERSONIC BOUNDARY LAYER ON A SWEPT WING AT MACH NUMBERS OF 2-4


Issue
4
Date
 2011

Article type
 scientific article
UDC
532.526
Pages
1104-1105
Keywords
 


Authors
Semenov N.V.
Institut teoreticheskoy i prikladnoy mekhaniki im. S.A. Khristianovicha SO RAN, Novosibirsk

Kazantsev R.I.
Institut teoreticheskoy i prikladnoy mekhaniki im. S.A. Khristianovicha SO RAN, Novosibirsk

Ermolaev Yu.G.
Institut teoreticheskoy i prikladnoy mekhaniki im. S.A. Khristianovicha SO RAN, Novosibirsk


Abstract
The paper presents an experimental study of instability disturbances evolution and laminar-turbulent transition in a three- dimensional supersonic boundary layer on swept wing at Mach numbers 2-4. Evolution of natural disturbances is investigated in detail for the cases of sharp and blunted leading edges. Oscillograms, amplitude-frequency spectra, pulsation profiles and statistical diagrams of natural fluctuations are obtained.

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