翼弦;叶弦
comparing with the performance of the asymmetric airfoils, the asymmetric airfoil with optimal chord length in reverse connection had been designed.
对采用这几种非对称翼型设计的风机的性能进行了研究及对比,得出了最优反接比例弦长的非对称翼型。
this paper selects airfoil setting angle, chord length, the height of the airfoil center line as the test factors through the analysis of the structural parameters of the fan.
通过对风扇各个结构参数的分析,选取了翼型安装角,弦长,翼型中线弯度作为试验因子。
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