Centrifugal fan

（重定向自Centrifugal Fans）

Figure 1: Components of a centrifugal fan

Velocity triangle for forward facing blade

A centrifugal fan is a mechanical device for moving air or other gases. The terms "blower" and "squirrel cage fan" (because it looks like a hamster wheel) are frequently used as synonyms. These fans increase the speed of air stream with the rotating impellers.

单词	Centrifugal Fans
释义	Centrifugal Fans 英语百科 Centrifugal fan （重定向自Centrifugal Fans） A centrifugal fan is a mechanical device for moving air or other gases. The terms "blower" and "squirrel cage fan" (because it looks like a hamster wheel) are frequently used as synonyms. These fans increase the speed of air stream with the rotating impellers.
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