Exploiting the Maxwell-Wagner-Sillars Effect for Displacement-Current Phase Tomography of Two-Phase Flows

We introduce a method based on the Maxwell-Wagner-Sillars (MWS) effect to improve the performance of displacement-current phase tomography (DCPT) applied to two-phase flow imaging. DCPT utilizes as set of mutual admittance measurements between electrodes placed around a region of interest (RoI). Thi...

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Bibliographic Details
Published in:IEEE sensors journal 2017-11, Vol.17 (22), p.7317-7324
Main Authors: Rasel, Rafiul K., Gunes, Cagdas, Marashdeh, Qussai M., Teixeira, Fernando L.
Format: Article
Language:English
Subjects:
Computer simulation
Dielectric loss
Dielectric measurement
Dielectrics
Displacement
Displacement-current phase tomography
electrical capacitance tomography
Electrical impedance
Electrodes
Engineering
flow imaging
Frequency measurement
Image reconstruction
Imaging
Instruments & Instrumentation
maxwell-wagner-sillars effect
Medical imaging
Performance enhancement
Physics
Sensors
Spatial distribution
Tomography
Two phase flow
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Description
Summary:We introduce a method based on the Maxwell-Wagner-Sillars (MWS) effect to improve the performance of displacement-current phase tomography (DCPT) applied to two-phase flow imaging. DCPT utilizes as set of mutual admittance measurements between electrodes placed around a region of interest (RoI). This measurement can extract the phase of the displacement current between the electrodes so as to characterize the spatial distribution of the conductivity or dielectric loss inside the RoI. By exploiting the fact that the measured data at different frequencies will exhibit distinct MWS effects, the proposed approach can extract additional information from the measure data set and improve the resolution of DCPT for the imaging of two-phase flows. Numerical simulations along with experimental results illustrate the main findings of this paper.
ISSN:1530-437X
1558-1748
DOI:10.1109/JSEN.2017.2755981