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Turbulent spot growth in favorable pressure gradients

Narasimha, R and Subramanian, C and Narayanan, MAB (1984) Turbulent spot growth in favorable pressure gradients. In: AIAA Journal, 6 (6). pp. 837-839.

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Experimental results are presented on the lateral growth of turbulent spots in a series of flows with favorable pressure gradients. It is shown that the wedge angle increases slowly with the Reynolds number and that a favorable pressure gradient inhibits the growth of turbulent spots and, in general, results in a nonlinear turbulent wedge. As soon as the pressure gradient decreases to the point where the flow becomes supercritical, however, spot growth increases rapidly and the associated turbulent wedge becomes linear.

Item Type: Journal Article
Publication: AIAA Journal
Publisher: American Institute of Aeronautics and Astronautics
Additional Information: Copyright of this article belongs to American Institute of Aeronautics and Astronautics.
Keywords: Boundary layer transition;pressure gradients;turbulent flow;reynolds number;wedge flow;wind tunnel tests.
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering(Formerly Aeronautical Engineering)
Date Deposited: 08 Feb 2010 11:42
Last Modified: 08 Feb 2010 11:42
URI: http://eprints.iisc.ac.in/id/eprint/22965

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