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基于双多流管模型的同步变桨垂直轴风力机特性分析

DOI: doi:10.3969/j.issn.1006-7043.2011.08.014

Keywords: 垂直轴风力机, 双盘面多流管模型, 同步变桨规律, 最优变桨规律??

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Abstract:

针对基于叶素理论对同步变桨垂直轴风力机进行性能分析的问题,研究了叶素理论和双盘面多流管模型,阐述了这些模型所做的假设和所适用的领域.分析了双盘面多流管模型的流管宽度特征,指出了该特征即为其在运算中出现不收敛现象的原因,针对该特征进行了改进后,可以明显改善运算不收敛现象并且提高计算速度.对同步变桨垂直轴风力机进行了理论分析,验证了其近似最优特性,得出了其性能在尖速比0.6附近最优的结论.进行了风力发电实验,理论结果与实验数据的对比验证了改进方法的可行性.

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