The Flow Past a Surface-Mounted Obstacle

[+] Author and Article Information
G. Bergeles, N. Athanassiadis

Laboratory of Aerodynamics, Department of Mechanical Engineering, Technical University of Athens, Greece

J. Fluids Eng 105(4), 461-463 (Dec 01, 1983) (3 pages) doi:10.1115/1.3241030 History: Received December 11, 1981; Online October 26, 2009


The length of the recirculating region past a two dimensional obstacle was investigated experimentally with a single hot wire. The width (W) of the obstacle could be changed in multiple values of obstacle height (H). The results show that upstream of the obstacle the length of the main recirculating region remains unchanged with obstacle width and equal to 0.85H; however the downstream length of the recirculating region is a strong function of the width and changes almost linearly from 11 obstacle heights for W/H=1.0 to 3 for W/H greater than four.

Copyright © 1983 by ASME
Topics: Flow (Dynamics) , Wire
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