A Note on the Transition Observations on an Axisymmetric Body and Some Related Fluctuating Wall Pressure Measurements

[+] Author and Article Information
V. H. Arakeri

Division of Engineering and Applied Science, California Institute of Technology, Pasadena, Calif.

J. Fluids Eng 97(1), 82-86 (Mar 01, 1975) (5 pages) doi:10.1115/1.3447222 History: Received August 14, 1974; Online October 12, 2010


Boundary layer transition on an axisymmetric body up to Reynolds number of 1.26 × 106 was observed by schlieren method of flow visualization developed for water tunnel use. The spectrum of the flush mounted pressure transducer signal showed a dominant frequency to exist at transition and further, this frequency was in close agreement with the predicted critical frequency by Smith’s approximate method of transition calculation based on linear stability theory.

Copyright © 1975 by ASME
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