Dual modality ECT-MIT multi-phase flow imaging

被引：25

作者：

Zhang, M. ^{[1
]}

Ma, L. ^{[1
]}

Soleimani, M. ^{[1
]}

机构：

[1] Univ Bath, Dept Elect & Elect Engn, ETL, Bath BA2 7AY, Avon, England

来源：

FLOW MEASUREMENT AND INSTRUMENTATION | 2015年 / 46卷

关键词：

Dual modality; ECT; MIT; High contrast; Flow imaging; Static experiment; ELECTRICAL CAPACITANCE TOMOGRAPHY; RECONSTRUCTION ALGORITHMS; DESIGN; SYSTEM;

D O I：

10.1016/j.flowmeasinst.2015.03.005

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

Three-phase flow imaging is a very challenging problem in industrial process tomography. A particular interest here is three phase flow including both conductive and non-conductive phases. Currently there is no robust solution to this problem. Electrical capacitance tomography (ECT) has been applied to visualize the permittivity distribution by measuring inter-capacitance between electrodes around sensing area. Magnetic inductance tomography (MIT) is a technique to image the conductivity distribution through the inductance measurements over the coils around the sensing area. In this paper, the three-phase flow is classified into two scenarios: air background and water background. A dual-modality method of ECT and MIT is proposed to image both the conductive and dielectric components under test. As a result of this experiment, the dual-modality method is able to solve air-background three-phase flow imaging, but a problem has been raised in the water-background scenario. The static experiment results are promising for such contactless three phase flow imaging. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：240 / 254

页数：15

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