风机技术文章 关键词：离心式通风机；气流冲角；叶片安装角 [gap=400]Key words: centrifugal fan; flow incidence angle; installation angle of blade
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This paper has discussed the problems related to flow incidence Angle in centrifugal fan.
对与离心式通风机的气流冲角等相关度问题进行了探讨。
Steady flow fields are also calculated to analyze flow field structure for the same cascade with different inlet Mach Numbers and incidence Angle.
对于同一叶栅进行了定常流场的计算与分析，比较了平面叶栅在不同进口马赫数、不同攻角下的定常流场。
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