Investigation of the Laminar-Turbulent Transition of Boundary Layers Disturbed by Wakes

[+] Author and Article Information
H. Pfeil, R. Herbst, T. Schröder

Institute for Thermic Turbomachines, Technical University of Darmstadt, Darmstadt, West Germany

J. Eng. Power 105(1), 130-137 (Jan 01, 1983) (8 pages) doi:10.1115/1.3227373 History: Received December 10, 1981; Online September 28, 2009


The boundary layer transition under instationary afflux conditions as present in the stages of turbomachines is investigated. A model for the transition process is introduced by means of time-space distributions of the turbulent spots during transition and schematic drawings of the instantaneous boundary layer thicknesses. To confirm this model, measurements of the transition with zero and favorable pressure gradient are performed.

Copyright © 1983 by ASME
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