Numerical Analysis of Wind Turbine Characteristics Using Two-Dimensional CFD and BEM

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  • 二次元CFDとBEMを用いた風車特性の数値解析
  • ニジゲン CFD ト BEM オ モチイタ カザグルマ トクセイ ノ スウチ カイセキ

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Abstract

On a design and analysis method of wind turbine generators, Blade Element Mo-mentum(BEM)theory has been often used even now. BEM theory only requires a small computa-tional load. However, the measurement facilities such as wind tunnel experiments with two-dimensional airfoils are necessary because BEM theory uses two-dimensional airfoil performance. To find the two-dimensional airfoil performance at relatively low cost, calculation using Compu-tational Fluid Dynamics(CFD)is performed. In recent years, CFD analysis associated with de-velopment of computers becomes high speed and high performance. In this study, an analysis method of wind turbine performance using the conventional BEM theory and two-dimensional CFD is described and compared with experimental results. As a result, it was shown that the analysis method predicts the wind turbine performance with the practical accuracy.

Journal

  • Turbomachinery

    Turbomachinery 41 (6), 378-383, 2013

    Turbomachinery Society of Japan

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