RESEARCH PAPERS: Additional Technical Papers

Instability of Elastically Suspended Tainter-Gate System Caused by Surface Waves on the Reservoir of a Dam

[+] Author and Article Information
Noriaki Ishii

Osaka Electro-Communication University, Osaka, Japan

Kensaku Imaichi, Akio Hirose

Osaka University, Osaka, Japan

J. Fluids Eng 99(4), 699-708 (Dec 01, 1977) (10 pages) doi:10.1115/1.3448888 History: Received March 25, 1977; Online October 12, 2010


In this study, it is theoretically shown that an elastically suspended Tainter-gate system with damping effects possesses the property of a self-excited oscillation, provided that the center of the curved weir plate is not in agreement with the location of the trunnion pin. Moreover, the theoretically obtained characteristics for the self-excited oscillation are confirmed with experiments, and it is shown that the theoretical results are in good agreement with experiments. It is concluded that when designing a dam system with Tainter-gates or other similar devices, more interest and attention to the dynamical behavior of Tainter-gates should be taken in order to prevent disasters such as that which occurred in Japan.

Copyright © 1977 by ASME
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