Experimental Study of Flow Oscillation in a Rectangular Jet-Driven Tube

[+] Author and Article Information
J. Iwamoto

Department of Mechanical Engineering, Tokyo Denki University, Tokyo 101, Japan

J. Fluids Eng 112(1), 23-27 (Mar 01, 1990) (5 pages) doi:10.1115/1.2909363 History: Received October 04, 1988; Revised April 01, 1989; Online May 23, 2008


Several papers, mainly of a theoretical nature, have been published on the oscillatory flow in a Hartmann-Sprenger tube. Quantitative exploration of the flow field has proved difficult and details are lacking. In the present work, using a rectangular tube, synchronous shadow-photography has been applied to visualize the flow field during stable oscillatory flow. The measurement of pressure has also been made for the case of steady flow when both ends of the tube are open. From these experimental results the necessary conditions for starting and maintaining a stable oscillatory flow in an H-S tube have been established.

Copyright © 1990 by The American Society of Mechanical Engineers
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