Correlation Analysis of Solid Particles’ Permittivity and Composition Using Electrical Capacitance Tomography and Maxwell Garnett Formula

Chenhong Ji, Kevin Hanley, Huarui Wang, Yunjie Yang, Jin Ooi, Jiabin Jia

Research output: Contribution to conferencePaperpeer-review

Abstract

The solid volume fraction and volume composition
ratio of different solid particles in a silo are important
parameters indicating the character of granular mixtures. In this
paper, measurement of the two parameters is studied by utilizing
Electrical Capacitance Tomography (ECT). This preliminary
work focuses on comparing normalized permittivity changes
from ECT with those predicted by the Maxwell Garnett formula
(MGF) relating to solid volume fraction and volume composition
ratio. Experimental results show that normalized permittivity
changes from the two methods have a strong linear correlation in
gas-solid two- and three-phase systems. This work demonstrates
that ECT is a promising technique for monitoring solid volume
fraction of single solid particles and the volume composition ratio
of mixtures of two different solid particles in a silo.
Original languageEnglish
DOIs
Publication statusPublished - 2016
Event2016 International Instrumentation and Measurement Technology Conference - Taipei, Taiwan, Province of China
Duration: 23 May 201626 May 2016

Conference

Conference2016 International Instrumentation and Measurement Technology Conference
CountryTaiwan, Province of China
CityTaipei
Period23/05/1626/05/16

Keywords

  • Solid volume fraction
  • Volume composition ratio
  • Gas-solid two/multiphase phase system
  • Normalized permittivity
  • Electrical Capacitance Tomography (ECT)
  • Maxwell Garnett Formula( MGF)

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