蒸汽流量计 http://www.yb1518.com

 
 
单价 面议对比
询价 暂无
浏览 1846
发货 江苏淮安市付款后3天内
品牌 江苏恒大
型号 HD-LU
过期 长期有效
更新 2016-03-22 10:09
 

江苏大恒仪表有限公司

企业会员第12年
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详细说明

http://www.jshdyb18.com/hdyb-Products-5536089/
现场显示蒸汽流量计具有以下特点:
     测量精度高,量程宽;
     测量介质广泛,可测量液体、气体和蒸汽;
     工作温度高,介质温度可达350℃;
     无运动部件,无磨损,可靠性高;
     表体采用不锈钢材料,耐腐蚀。
2. 测量原理
当管道中流体介质通过旋涡发生体(三角柱)时,由于局部流速加速而产生旋涡现象(如图一),此旋涡分成两列交替地出现,这种旋涡列被称为卡门涡街。
卡门涡街的释放频率与三角柱宽度尺寸和流体的流动速度有关,而与介质的温度、压力等特性参数无关。可用下式表示:
f=StV/d  ……………………(1)
式中:      f—卡门涡街的释放频率
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江苏恒大仪表有限公司电话: 0517-86500336 手机: 13915187193联系人: 杨经理 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