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风量如何测定啊风速如何测定
更新时间: 2020-10-04 00:00:00  

如果管道出口方便测量就在出口测量,用皮托管加上手持微压计来测量,得到差压,并另外记录温度。用差压来计算流速,然后用流速计算流量。如果管道出口不方便测量那么就在管道上开孔做测量孔测量。

注意:

1、如果管道截面积较大,要用网格法,多点测量;

2、测量装置也可以用热式的风速计,甚至有的风速计事先输入好截面积等常规参数,可直接显示风量。

关键词: 风量 如何 测定 风速

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