Turbulence Measurements With Symmetrically Bent V-Shaped Hot-Wires. Part 1: Principles of Operation

[+] Author and Article Information
M. Hishida, Y. Nagano

Department of Mechanical Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya 466, Japan

J. Fluids Eng 110(3), 264-269 (Sep 01, 1988) (6 pages) doi:10.1115/1.3243543 History: Received August 07, 1985; Online October 26, 2009


A new anemometry technique has been developed for turbulence measurements near the wall, where the conventional X-wire method is subject to large errors due to aerodynamic disturbances caused by the tips of wire supports. The technique proposed in this study is founded on the principle of convective heat transfer from a symmetrically bent V-shaped hot-wire, which can be supported just like a cantilever. The present paper describes the details of effective cooling velocities of a V-shaped hot-wire, together with the related comments on its aeroelastic deformation and vibration.

Copyright © 1988 by ASME
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