ダブルバリア型浮消波堤の透過率算定と平面波浪場への適用

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  • A study on an estimation of horizontal wave fields around double barrier floating breakwater
  • ダブルバリアガタ ウキショウハテイ ノ トウカリツ サンテイ ト ヘイメン ハロウバ エ ノ テキヨウ

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Flow field around the Double Barrier Floating Breakwater (DBFB) has been measured using PIV technique. Averaged flow directions were onshore side for the fixed DBFB and offshore side for the heave motion DBFB. A simple experimental formula based on Harms's idea for determining transmission coefficient as a function of Reynolds number and wave condition was proposed. The proposed simple formula and an extended energy balance equation considering diffraction effect were applied to estimate wave height distribution behind DBFB. The present model predicts the wave height distribution behind DBFB with a good accuracy.

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