首先，对流管法计算公式进行归纳总结，包括单盘面-多流管模型和双盘面-多流管模型。

Firstly, formula of stream tube method was summarized including single disk multi-tube model and double disk multi-tube model.

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采用多流管模型分析了H型垂直风力机展弦比和实度对其功率系数的影响，并对叶片旋转过程中攻角随尖速比的变化进行了分析。

The influence of solidity and aspect ratio on power coefficient of H-type vertical axis wind turbine, and the change of attack Angle with tip speed ratio were analyzed.

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这个方法采用了多流管的理论模型。

This method adopts multiple streamtube model.

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