Flow-Induced Vibration of Rod Arrays in a Jet Flow

[+] Author and Article Information
H. Lee

Korea Institute of Machinery and Metals, Changwon, Kyoungnam, Korea

Y. B. Chang

Ship Research Station, Korea Institute of Machinery and Metals, Daeduk Science Town, Choongnam, Korea

J. Pressure Vessel Technol 112(1), 46-49 (Feb 01, 1990) (4 pages) doi:10.1115/1.2928585 History: Received December 10, 1986; Revised June 06, 1989; Online June 17, 2008


Flow-induced vibration of rod arrays in a jet flow was studied experimentally. The rod arrays tested were on square layout with a pitch-to-diameter ratio of 1.32. The rods were found to vibrate with large whirling trajectories when the jet velocity exceeds a critical value. The effects of axial flow velocity and stand-off distance of the rod array from jet exit were also investigated. A design guide for rod arrays subjected to a jet flow is proposed.

Copyright © 1990 by The American Society of Mechanical Engineers
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