Electrode design of multi-electrode electromagnetic flow meter based on region weight function theory

ZHAO Yu-yang; ZHANG Tao; LUCAS G; LEEUNGCULSATIEN T

doi:10.13873/j.1000-97872014.02.006

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Electrode design of multi-electrode electromagnetic flow meter based on region weight function theory

更新时间：2025-09-11

- Electrode design of multi-electrode electromagnetic flow meter based on region weight function theory
- Vol. 33, Issue 2, Pages: 94-97(2014)
- 作者机构：
  
  1. 天津大学电气与自动化工程学院天津市过程检测与控制重点实验室
  2. School of Computing and Engineering,University of Huddersfield
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872014.02.006
  CLC： TH814.93
- Published：2014
- 稿件说明：
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[1]赵宇洋,张涛,LUCAS G,LEEUNGCULSATIEN T.基于区域权函数理论的多电极电磁流量计电极设计[J].传感器与微系统,2014,33(02):94-97.

ZHAO Yu-yang, ZHANG Tao, LUCAS G, et al. Electrode design of multi-electrode electromagnetic flow meter based on region weight function theory[J]. 2014, 33(2): 94-97.
[1]赵宇洋,张涛,LUCAS G,LEEUNGCULSATIEN T.基于区域权函数理论的多电极电磁流量计电极设计[J].传感器与微系统,2014,33(02):94-97. DOI： 10.13873/j.1000-97872014.02.006.

ZHAO Yu-yang, ZHANG Tao, LUCAS G, et al. Electrode design of multi-electrode electromagnetic flow meter based on region weight function theory[J]. 2014, 33(2): 94-97. DOI： 10.13873/j.1000-97872014.02.006.

摘要

基于Shercliff权函数提出区域权函数概念

设计多电极电磁流量计

通过测量管道截面不同位置的弦端电压

计算各区域的轴向平均速度

实现速度分布与体积流量的测量。着重研究了流量计电极设计

选取不锈钢平头方案的多电极电磁流量计

对于阀门下游的非轴对称单相流体积流量测量精度高于±1.0%

倾斜管固—液两相流实验证明:该设计对于两相流非轴对称的速度分布测量具备可靠性。

Abstract

A novel multi-electrode electromagnetic flow meter（MEFM） based on region weight function

which is derived from Shercliff weight function theory

is developed and presented.The flow meter uses region weight function theory to reconstruct the local axial average velocities of cross-section and flow rate by acquiring the induced voltages at the boundary along flow pipe circumference.Electrode design scheme of MEFM is researched.Experiments undertaken downstream of the valve show that precision of MEFM measuring non-axisymmetric single phase flow is higher than ± 1.0 %

and soil liquid flow experiment demonstrates that the design is suitable for measuring velocity distribution of non-axisymmetric flow.

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references

多电极电磁流量计转换器设计 [J]. 赵宇洋,张涛,LUCAS G. 传感器与微系统 . 2012(06)

多对电极电磁流量计传感器电极阵列设计 [J]. 徐立军,王亚,乔旭彤,徐苓安. 仪器仪表学报 . 2003(04)

SPRITE MRI of bubbly flow in a horizontal pipe [J] . Mark Sankey,Zhi Yang,Lynn Gladden,Michael L. Johns,Derek Lister,Benedict Newling. Journal of Magnetic Resonance . 2009 (2)

Measurement of the solids volume fraction and velocity distributions in solids–liquid flows using dual-plane electrical resistance tomography [J] . G.P. Lucas,J. Cory,R.C. Waterfall,W.W. Loh,F.J. Dickin. Flow Measurement and Instrumentation . 1999 (4)

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