Abstract
The receptivity of the boundary-layer flows to external perturbations represents a very important aspect of the laminar-turbulent transition problem and has both basic and practical significance. In the present paper a very brief review of studies (mainly the experimental ones) performed during past several years is carried out. The generation of two kinds of the instability modes is discussed: (a) the Tollmien-Schlichting (TS) waves and (b) the cross-flow (CF) waves and vortices. We concentrate here on the following three-dimensional receptivity mechanisms: (i) receptivity to localized surface roughness, (ii) receptivity to localized surface vibrations, (iii) acoustic receptivity in presence of a localized surface roughness, and (iv) acoustic receptivity in presence of a localized surface vibrations.
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Kachanov, Y.S. (2000). Three-Dimensional Receptivity of Boundary Layers to External Perturbations. In: Fasel, H.F., Saric, W.S. (eds) Laminar-Turbulent Transition. IUTAM Symposia. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-03997-7_7
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DOI: https://doi.org/10.1007/978-3-662-03997-7_7
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