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RESEARCH PAPERS: Papers From Symposium on Three-Dimensional Flow in Turbomachines

The Response of a Developed Turbulent Boundary Layer to Local Transverse Surface Motion

[+] Author and Article Information
R. P. Lohmann

Pratt & Whitney Aircraft, Division of United Technologies Corporation, East Hartford, Conn.

J. Fluids Eng 98(3), 354-363 (Sep 01, 1976) (10 pages) doi:10.1115/1.3448319 History: Received January 05, 1976; Online October 12, 2010

Abstract

Measurements were obtained of the mean velocity, Reynolds stress tensor components and spectral distribution of turbulent energy in a boundary layer that was adjusting spatially from a collateral to a three-dimensional state because of transverse motion of the bounding wall. The results indicate that changes to the turbulent structure lead to a strong coupling between the axial and transverse components of mean velocity. The influence of the imposed motion was found to be confined to a discrete region near the wall over the first ten initial boundary layer thicknesses, after which it became more global in nature.

Copyright © 1976 by ASME
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