Sensing Induced Voltage of Electromagnetic Flow Meter with Multi-electrodes
An induced voltage Electromagnetic Flow meter (EMF) in the area of measuring single phase flow rate in pipes has been used in many industrial areas. To measure the continuous phase velocity profile in multiphase flows where the continuous phase is electrical conductive, Electrical capacitance and resistance tomography has been comprehensively investigated, except for continuous phase velocity profile measurement. This paper tries to investigate the relationship between induced electric potential or potential drop and the velocity distribution of the conductive continuous phase in the flow pipe with Electromagnetic inductance tomography (EMT). This methodology will have impact on evaluation of multiphase flow profile. In the investigation of the characteristics of an electromagnetic flow meter in multiphase flow, the geometry and physical model of alternating current electromagnetic flow meter, was designed and simulated. Multiple electrodes could be arranged at any position of the circumference to meet the requirement of signals picking for induced potential. The induced electric potential or potential drop signals from the flow meter under various flow conditions were obtained and analyzed. The numerical simulation result indicated that the methodology of EMT would be an effective novel method to obtain the volumetric flow rate.
Electromagnetic flow meter Induced voltage Multiphase flow Velocity profile Numerical simulation
Jingzhuo Wang Chenglong Gong
Department of Electronic Engineering Huaihai Institute of Technology Lianyungang, Jiangsu 222005, China
国际会议
2006 IEEE International Conference on Information Acquisition
山东威海
英文
1031-1036
2006-08-20（万方平台首次上网日期，不代表论文的发表时间）