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蒸汽流量計 http://www.yb1518.com

 
 
單價 面議對比
詢價 暫無
發貨 江蘇淮安市付款后3天內
品牌 江蘇恒大
型號 HD-LU
過期 長期有效
更新 2016-03-22 10:09
 

江蘇大恒儀表有限公司

待審核會員第12年
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http://www.jshdyb18.com/hdyb-Products-5536089/
現場顯示蒸汽流量計具有以下特點:
     測量精度高,量程寬;
     測量介質廣泛,可測量液體、氣體和蒸汽;
     工作溫度高,介質溫度可達350℃;
     無運動部件,無磨損,可靠性高;
     表體采用不銹鋼材料,耐腐蝕。
2. 測量原理
當管道中流體介質通過旋渦發生體(三角柱)時,由于局部流速加速而產生旋渦現象(如圖一),此旋渦分成兩列交替地出現,這種旋渦列被稱為卡門渦街。
卡門渦街的釋放頻率與三角柱寬度尺寸和流體的流動速度有關,而與介質的溫度、壓力等特性參數無關。可用下式表示:
f=StV/d  ……………………(1)
式中:      f—卡門渦街的釋放頻率
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江蘇恒大儀表有限公司電話: 0517-86500336 手機: 13915187193聯系人: 楊經理 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