When a tidal barrage follows the water release profile shown in Figure 31.27 it only captures a

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When a tidal barrage follows the water release profile shown in Figure 31.27image

it only captures a fraction of the energy (31.35)

image

available in the water stored at high tide. The discharge is indicated continuing until the outside and inside water levels are equal. Show that this fraction is given by.

image

where ? = 2?/T and T ? 12 h. For the parameters shown in the figure, where ?t1 = ?/4 and ?t2 = 5?/4, show that f ? 0.5.

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The Physics of Energy

ISBN: 978-1107016651

1st edition

Authors: Robert L. Jaffe, Washington Taylor

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