农业机械学报2011，Vol.42Issue(2)：115-119,5.
计算模型维数对风力机翼型气动性能预测的影响
Effects of the Calculation Models with Different Dimension on the Aerodynamic Performance Prediction for Wind Turbine Airfoil
摘要
Abstract
In order to analyze the influence of different dimensions on aerodynamic performance prediction of wind turbine airfoil, the flow fields surrounding 2-D airfoil of DU93 - W - 210 and 3-D straight blade were simulated by solving the N - S equations. Experimental results were compared to predict aerodynamic performances. The results revealed that if the flow did not separate, the aerodynamic performance and streamline between the 2-D airfoil and 3-D straight blade were similar, and the 3-D straight blade could be simplified into 2-D airfoil. If it separated, the flow field of 3-D straight blade had significant 3-D flow effects, the predicted aerodynamic performance was closer to experimental value than 2-D airfoil, but the 3-D straight blade could not be simplified into 2-D airfoil. The best span wise length of 3-D straight blade was 2-4 times of the chord.关键词
风力机/翼型/气动性能/维数计算流体动力学Key words
Wind turbine/Airfoil/Aerodynamic performance/Dimension/Computational fluid dynamics/分类
能源科技引用本文复制引用
李银然,李仁年,王秀勇,李德顺..计算模型维数对风力机翼型气动性能预测的影响[J].农业机械学报,2011,42(2):115-119,5.基金项目
国家重点基础研究发展计划(973计划)资助项目(2007CB714605) （973计划）
