Journal
IEEE SENSORS JOURNAL
Volume 17, Issue 24, Pages 8027-8036Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/JSEN.2017.2687828
Keywords
Electrical capacitance tomography; image reconstruction; multiphase flow; fractional volumes; Maxwel-Wagner-Sillars effect
Funding
- NASA
- U.S. Department of Energy
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We describe an approach, based on electrical capacitance tomography (ECT) sensors, to decompose and continuously monitor multiphase flow components (fractional areas or volumes) in mixtures containing conducting phases. The proposed approach exploits the Maxwell-Wagner-Sillars effect at distinct frequencies to reconstruct each phase of a multiphase flow and is also utilized to estimate the fractional volume of the various phases of the mixture. The approach is illustrated for a three-phase mixture composed of air, water, and oil. This approach utilizes the very same ECT measurement apparatus used for flow imaging and, as such, inherits its high speed of acquisition and suitability for real-time operation.
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