The Linear Instability Due to the Compressible Crossflow on a Swept Wing

[+] Author and Article Information
S. G. Lekoudis

School of Aerospace Engineering, Georgia Institute of Technology, Atlanta, Ga. 30332

J. Fluids Eng 102(4), 502-509 (Dec 01, 1980) (8 pages) doi:10.1115/1.3240734 History: Received March 07, 1980; Online October 26, 2009


The problem of the propagation of three-dimensional laminar instabilities, due to crossflow, in a three-dimensional compressible boundary layer, is examined using linear theory. The theory is applied to the case of a transonic swept wing. It is shown that compressibility has a mild stabilizing effect in the regions where the crossflow is strong. The problem of defining the direction of propagation of the disturbances is discussed.

Copyright © 1980 by ASME
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