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RESEARCH PAPERS

Three-Dimensional Structure of a Nominally Planar Turbulent Boundary Layer

[+] Author and Article Information
Y. Furuya, I. Nakamura

Department of Mechanical Engineering, Nagoya University, Nagoya, Japan

H. Osaka

Department of Mechanical Engineering, Yamaguchi University, Ube, Japan

J. Fluids Eng 101(3), 326-330 (Sep 01, 1979) (5 pages) doi:10.1115/1.3448970 History: Received June 28, 1977; Online October 12, 2010

Abstract

This research is concerned with detailed experiments on spanwise nonuniformity of nominally planar turbulent boundary layers. Two procedures for eliminating spanwise nonuniformity are studied. One method is to remove the original, natural vortices by introducing additional ones arising from protuberances attached to the leading edge of a flat plate, and the other technique is by making the main flow entirely uniform. Effects of artificially controlled streamwise vortices on spanwise nonuniformity are examined. From these experiments, the process by which induced vortices cause nonuniformity of turbulent boundary layer characteristics in the spanwise direction is discussed.

Copyright © 1979 by ASME
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