论文部分内容阅读
针对常规致动盘方法中诱导因子均匀分布,而实际叶片的诱导因子沿径向变化的问题,提出了诱导因子非均匀分布的方法来模拟风力机的尾流流场。先以常规致动盘方法进行计算,根据理论和试验数据对比验证流场参数;在此基础上由叶片翼型参数求出诱导因子,根据其沿径向非均匀分布的特点进行计算,定性分析其尾流流场的特点及发展变化过程;最后,应用该方法分析两台同轴风力机在不同间距下所受到的影响。该研究结果可为风电场微观选址提供参考。
In order to simulate the wake flow field of wind turbine, a method of non-uniform distribution of inducing factors is proposed to solve the problem that the inducing factor is uniformly distributed in the conventional actuator disk method and the variation factor of the actual leaf inducing factor varies along the radial direction. Firstly, the conventional method is used to calculate the flow field, and the flow field parameters are verified by comparison with the theoretical and experimental data. Based on this, the inducing factors are obtained from the parameters of the blade airfoils, and are calculated according to the radial non-uniform distribution. Qualitative analysis Its wake flow field characteristics and development process; Finally, the application of this method to analyze the two coaxial wind turbine at different distances under the impact. The results of this study can provide a reference for micro-site selection of wind farm.