EVALUATION OF EFFECT OF WALL BEHIND BOTTOM-HINGED OWSC UNDER REGULAR WAVES

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  • 規則波における背後壁の有無による下部固定式波力発電装置の発電性能評価

Abstract

<p> Two-dimensional hydraulic experiments were conducted using a reversed triangular bottom-hinged flap with the reflection wall behind it. Electricity generation performance when the power take-off system is installed was evaluated from the experimental result based on linear theory. Efficiency is lowest near the antinodes of the standing waves. There are some cases in which D/L when efficiency is highest is slightly different from nodes depends on wave period. Efficiency is high when the wave period is short and the water depth is small. There is a possibility that there is a specific wave period in which efficiency is extremely high. The increasing ratio of efficiency by installing the wall reached 6 at most and 2 at least.</p>

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