The design of a dual-plane ERT system for cross correlation measurement of bubbly gas/liquid pipe flow

  • X. Deng*
  • , F. Dong
  • , L. J. Xu
  • , X. P. Liu
  • , L. A. Xu
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Combining electrical resistance tomography (ERT) with the cross-correlation flow measurement technique can provide more information on the flow than usual. A dual-plane ERT system for use on laboratory- and plant-scale process equipment has been developed on the basis of this idea. This paper focuses on the design of it. The principle of measurement of the local gas velocity distribution in a bubbly gas/liquid pipe flow based on pixel-pixel cross correlation of two plane images is described. Methods to improve the real-time performance of the system are also discussed in detail. Initial experimental results illustrate the feasibility of the method presented here.

Original languageEnglish
Pages (from-to)1024-1031
Number of pages8
JournalMeasurement Science and Technology
Volume12
Issue number8
DOIs
StatePublished - Aug 2001
Externally publishedYes

Keywords

  • Bubbly gas/liquid flow
  • Cross-correlation
  • Electrical resistance tomography (ERT)
  • Flow velocity measurement

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