超聲波流量計(jì)使用中的幾點(diǎn)簡(jiǎn)單介紹：目前通常采用兩種類型的超聲波流量計(jì)，一種為多普勒超聲波流量計(jì)，另一類為時(shí)差式超聲波流量計(jì)。多普勒型是利用相位差法測(cè)量流速，即某一已知頻率的聲波在流體中運(yùn)動(dòng)，由于液體本身有一運(yùn)動(dòng)速度，導(dǎo)致超聲波在兩接收器（或發(fā)射器）之間的頻率或相位發(fā)生相對(duì)變化，通過(guò)測(cè)量這一相對(duì)變化就可獲得液體速度；時(shí)差型是利用時(shí)間差法測(cè)量流速，即某一速度的聲波由于流體流動(dòng)而使得其在兩接收器（或發(fā)射
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超聲波流量計(jì)實(shí)時(shí)信息，超聲波流量計(jì)資料下載，超聲波流量計(jì)價(jià)格，相信大連索尼卡—流量測(cè)量問(wèn)題輕松解決。
2014年1月16日
超聲波流量計(jì)使用中的幾點(diǎn)簡(jiǎn)單介紹
Tags: 超聲波流量計(jì)使用中的幾點(diǎn)簡(jiǎn)單介紹
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