什么是時(shí)差式超聲波流量計(jì)：超聲波流量計(jì)是速度式流量計(jì)的一種。超聲波在流體中傳播時(shí)，傳播速度會(huì)隨流體運(yùn)動(dòng)速度而改變；超聲波在被流體中隨流體運(yùn)動(dòng)的微小顆粒反射時(shí)，其頻率會(huì)隨微小顆粒運(yùn)動(dòng)速度而改變（多普勒頻移）。通過檢測流體流動(dòng)對(duì)超聲束(或超聲脈沖)的作用即可獲得流速，再根據(jù)管道截面積等參數(shù)計(jì)算可得到流量。時(shí)差法則是超聲波流量計(jì)測量流速的一種方法，流速對(duì)超聲傳導(dǎo)的影響可以表現(xiàn)為：改變超聲波傳導(dǎo)速度、改變
超聲波流量計(jì)生產(chǎn)公司 0411-87305712
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—流量測量問題輕松解決。
2013年9月27日
什么是時(shí)差式超聲波流量計(jì)
Tags: 什么是時(shí)差式超聲波流量計(jì) 時(shí)差式超聲波流量計(jì)的定義
發(fā)布:nv2118 | 分類:超聲波流量計(jì)技術(shù) | 評(píng)論:0 | 引用:0 | 瀏覽:
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