Research Article
Nov 1980
Tidal Power from Rectangular Estuaries: Tidal Dynamics Constraints
Authors: Ian S. Robinson and John M. PerryAuthor Affiliations
Publication: Journal of the Hydraulics Division
Volume 106, Issue 11
Abstract
A one-dimensional analytical model of frictional tidal flow in rectangular uniform section estuaries is presented. The response of different lengths of estuary to given tidal forcing at the mouth is explored to obtain resonance curves, and the linearized friction coefficient appropriate to different tidal amplitudes is indicated. A permeable, energy extracting barrier is introduced and the optimum head/flow ratio is determined for maximum power generation with an ebb/flood operating scheme. Pumped energy storage is introduced by allowing for a complex head/flow ratio and the maximum available net power at optimum design condition is shown to be very much greater than without pumping. The mouth is shown to be the best location. The energy available under various operating constraints, from estuaries of different lengths, is compared with the original energy dissipation in the estuaries. Finally the critical dependence of power output on the choice of barrier flow condition is explored.
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Published In
Journal of the Hydraulics Division
Volume 106 • Issue 11 • November 1980
Pages: 1915 - 1934
Copyright
© 1980 American Society of Civil Engineers.
History
Published in print: Nov 1980
Published online: Feb 3, 2021
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Authors
Affiliations
Ian S. Robinson
Lect. in Physical Oceanography, Dept. of Oceanography, Univ. of Southampton, Southampton, United Kingdom
John M. Perry
Geophysicist, Exploration Div., British Petroleum Co., Ltd., Britannie House, London, United Kingdom
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