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已知风机9000风量应该做多大的风管

2025-03-28 07:55:50

推荐回答（1个）

回答1：

风量=出口面积A*风速V
因为走管道的风量是一定的，都是等于每小时4500立方。
如果管道风速等于出风口风速的话，管道直接做成风口大小。
如果风速有要求的话，比如10m/s
4500立方是每小时，换成每秒就除以3600
管道面积是A=风量/风速=4500/（10*3600）=0.125平米
如果是圆管的话A=3.14*R^2
最后R大概是200mm的风管

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