140CPU65150C
140CPU65150C
2.科里奥利式质量流量计工作原理
由于检测管的振动，在管内流动的每*体微团都得到一科氏加速度，U形管便受到一个与此加速度相反的科氏力。由于U形管的进、出侧所受的科氏力方向相反，而使U形管发生扭转，其扭转程度与U形管框架的扭转刚性成反比，而与管内瞬时质量流量成正比。在音叉每振动一周的过程中，位于检测管的进流侧和出流侧的两个电磁检测器各检测一次，输出一个脉冲，其脉冲宽度与检测管的扭摆度，亦即瞬时质量流量成正比，如图4‐18所示。利用一个振动计数器使脉冲宽度数字化，并将质量流量用数字显示出来，再用数字积分器累积脉冲的数量，即可获得一定时间内质量流量的总量。
◆ 企业名称：厦门泰尼电气有限公司
◆ 主营业务：DCS,PLC
◆ 经营模式： 贸易
◆ 贸易地区： 全国
◆ ： 小黄《女士》
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