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ID:57706157
大小:87.50 KB
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时间:2020-09-01
《不锈钢风管尺寸计算.doc》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、不锈钢风管尺寸计算 风管尺寸=风量/风速 风量=房间面积*房间高*换气次数 例子:风量4万,风速9m/s, 得风管尺寸=40000/9/3600=1.23平方 1.23=1.5*0.82 所以风管尺寸为1500*800。支风管主风管圆形风管当量矩形风管尺寸mm 风速m/s风量l/s风速m/s风量l/s直径mm2.530337125200×75125×100125×125 5060150250×75200×100150×125 75100180275×100200×125175×150 31004130200375×100175×
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