Research Article
Jan 1971
Hydroelectric Power Plant Trashrack Design
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VIEW THE REPLYAuthor: Lloyd E. SellAuthor Affiliations
Abstract
Trashracks subjected to high velocity flow should be designed to avoid operating under resonant conditions. This requires that design consideration be given to the natural frequency of the trashrack bars and the forcing frequency due to the velocity of the fluid through the trashrack. The natural frequency of a trashrack bar is primarily dependent upon the material, cross sectional configuration, unrestrained length and the end fixity. The forcing frequency, due to flow considerations, is primarily dependent upon the velocity of the fluid and the cross sectional configuration of the bar. The fundamental consideration is to design a trashrack with the natural frequency of the bars sufficiently higher than the forcing frequency to prevent a resonant condition from developing.
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Information
Published In
Journal of the Power Division
Volume 97 • Issue 1 • January 1971
Pages: 115 - 121
Copyright
© 1971 American Society of Civil Engineers.
History
Published in print: Jan 1971
Published online: Feb 11, 2021
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Authors
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Lloyd E. Sell
Mech. Engr., Design Br., U.S. Army Engr. Dist., Omaha, Nebr.
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