太鼓山風力発電所のナセル落下事故に対する数値流体力学的アプローチによる一考察

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タイトル別名
  • Numerical Investigation of Terrain-Induced Turbulence in Taikoyama Wind Farm
  • タイコ ヤマカゼリョク ハツデンショ ノ ナセル ラッカ ジコ ニ タイスル スウチ リュウタイ リキガクテキ アプローチ ニ ヨル イチ コウサツ

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Because a significant portion of the topography in Japan is characterized by steep, complex terrain, which results in a complex spatial distribution of wind speed, great care is necessary for selecting a site for the construction of Wind Turbine Generators (WTGs). We have developed a Computational Fluid Dynamics (CFD) model for unsteady flow called Research Institute for Applied Mechanics, Kyushu University, COMputational Prediction of Airflow over Complex Terrain (RIAM-COMPACTR). The RIAM-COMPACTR CFD model is based on Large-Eddy Simulation (LES) technique. In this paper, the numerical wind simulation over the Taikoyama wind farm was executed using the high resolution elevation data. As a result, the numerical results obtained suggest that all the six WTGs in the Taikoyama wind farm are subject to significant influence from separated flow (terrain-induced turbulence) which is due to the topographical irregularity in front of WTGs. The new reproduction proposal was also done.

収録刊行物

  • 風力エネルギー

    風力エネルギー 39 (1), A_6-A_13, 2015

    一般社団法人 日本風力エネルギー学会

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