浮体式振動水柱型波力発電装置の一次変換性能評価法の開発 : 第1報 周波数領域での2次元問題解析法 Frequency Domain Analysis on Primary Conversion Efficiency of a Floating OWC-type Wave Energy Converter : Part1, Two Dimensional Problems

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In order to design a floating OWC (Oscillating Water Column)-type wave energy converter such as Backward Bent Duct Buoy (BBDB), it is necessary to develop a numerical method to make clear an optimal hull shape which maximizes the generating electrical energy.In this paper, a two-dimensional numerical method to estimate the primary conversion efficiency of a floating OWC-type wave energy converter with arbitrary cross section in frequency domain is proposed. The fluid motion in water waves is calculated by using boundary element method based on velocity potential theory. For the air flow in air chamber, an equation of state,conservation of mass and energy with the assumption of air being the perfect gas are used. From these equations, motions of floating body, air pressure in air chamber, transmission and reflection coefficient of water waves and primary conversion efficiency etc. are calculated. Wave tank tests are also carried out for BBDB in regular waves. Numerical results are compared with experimental results.

収録刊行物

  • 日本船舶海洋工学会論文集 = Journal of the Japan Society of Naval Architects and Ocean Engineers

    日本船舶海洋工学会論文集 = Journal of the Japan Society of Naval Architects and Ocean Engineers (14), 123-133, 2011-12-01

    公益社団法人 日本船舶海洋工学会

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各種コード

  • NII論文ID(NAID)
    10030137166
  • NII書誌ID(NCID)
    AA12057769
  • 本文言語コード
    JPN
  • 資料種別
    ART
  • ISSN
    18803717
  • NDL 記事登録ID
    023529289
  • NDL 請求記号
    Z74-E724
  • データ提供元
    CJP書誌  NDL  J-STAGE 
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