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85问答库 > 通风管道也就是风管中有圆弧的弯头面积怎么算啊

通风管道也就是风管中有圆弧的弯头面积怎么算啊

2025-03-16 03:15:50

推荐回答（2个）

回答1：

圆形的=1.57*R*口径*3.14
方形的=1.57*R*方口周长追问2013-01-19 09:57 谢谢不过R是什么东西弯头内弧所对应的半径吗？回答2013-01-19 10:37 弯曲半径是弯头中心弧半径，希望对你有帮助。

回答2：

变径计算到中点处,大小头各取1/2长度.弯头直接计算到两个方向中心线的交点处即可。

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