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渦輪流量計測量的介質黏度對流量計的影響

發(fā)布日期:2022-05-30 點擊率:31

  渦輪流量計具有結構簡單、輕巧、精度高、復現性好、反應靈敏,安裝維護使用方便等特點,現如今廣泛用于石油、化工、冶金、供水、造紙等行業(yè)。今天為用戶介紹一下渦輪流量計測量的介質黏度對流量計的影響有哪些:

  1、隨著黏度的增大,渦輪流量計的啟動排量會降低,同時響應的轉速也會下降。

  2、隨著黏度的提升,渦輪流量計的K值會下降,同時線性度也會變差。

  3、在進入渦輪響應的線性段前,K值持續(xù)升高,且隨流量計入口雷諾數呈指數增長關系。

  4、對于產出液黏度較高的低產井,宜采用采集系統更敏感的渦輪使其能地采集低轉速(小于0.01r/s)的信號。

  5、用于測量不同黏性流體的渦輪流量計,只進行一次在高黏度條件下來流雷諾數不同的標定,即可近似得到該渦輪流量計K值與雷諾數的關系,并反推出該渦輪對不同黏性流體的響應曲線。


標簽:                                    渦輪流量計

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