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靶式流量計與阿牛巴流量計對比

2015-06-19 10:02:27      點擊:

大发彩票注册(YI)CELIANGYUANLIBUTONG:    

      阿牛巴流量計大发彩票注册也叫均速管流量計,它是一根沿直徑插入管道中的空金屬桿,在迎向流體 流動方向有成對的測壓孔,一般是兩對,也有一對或多對。迎著流面的多點測壓孔測量的是正壓,背著流面的多點測壓孔測量的是負壓。阿牛巴流量計是利用測量流體的前后壓差來實現流量的測量。

      靶式流量計工作原理,在測量管(儀表殼體)中心同軸放置測量受力元件,當被測介質 以一定速度(m/s)流動時,其自身產生相對應的動能直接作用于受力元件,及其流速在受力元件的分離產生壓差而形成的作用力,這個力反映了氣體流量的大小。     因此,在測量原理上,靶式流量計是動能加差壓相結合運算出的結果,得出的流量,而阿牛巴流量計是計算前后壓差得出的流量。

大发彩票注册(ER)CELIANGYUANJIANDUIBI:    

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