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3D simulation on influence of insulating contents to contactless electromagnetic induction flowmeter

  • Chang Liu*
  • , Shuo Yang
  • , Zhang Cao
  • , Gang Wang
  • *Corresponding author for this work
  • Beihang University
  • Sichuan Instrument Co. Ltd.

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

A contactless electromagnetic induction flowmeter is usually used to measure the velocity of high electric conductivity liquid flow. The principle is based on the fact that the fluid disturbs not only the amplitude but also the phase distribution of an applied AC magnetic field. In this paper, the influence of insulating contents in the high electric conductivity liquid flow on the sensitivity of phase difference of the flowmeter is studied through 3D simulation. In simulation, the high electric conductivity liquid and insulating contents were approximated by copper and gas bubbles, respectively. The results show that the phase difference sensitivity of the flowmeter to the flow with bubbles is different from that to single phase copper liquid flow. Furthermore, the sensitivity is insensitive to the distribution of bubbles in case of random distribution. However, increasing size or number of bubbles slightly decreases the sensitivity.

Original languageEnglish
Title of host publication7th International Symposium on Measurement Techniques for Multiphase Flows
Pages251-257
Number of pages7
DOIs
StatePublished - 2012
Event7th International Symposium on Measurement Techniques for Multiphase Flows - Tianjin, China
Duration: 17 Sep 201119 Sep 2011

Publication series

NameAIP Conference Proceedings
Volume1428
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

Conference7th International Symposium on Measurement Techniques for Multiphase Flows
Country/TerritoryChina
CityTianjin
Period17/09/1119/09/11

Keywords

  • Electromagnetic flowmeter
  • high electric conductivity flow
  • phase distribution
  • sensitivity

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