Application of electrical capacitance tomography to the void fraction measurement of two-phase flow

Author

Huang, Zhiyao ; Wang, Baoliang ; Li, Haiqing

Author_Institution

Nat. Lab. of Ind. Control Technol., Zhejiang Univ., Hangzhou, China

Volume

52

Issue

1

fYear

2003

fDate

2/1/2003 12:00:00 AM

Firstpage

7

Lastpage

12

Abstract

Based on the electrical capacitance tomography technique, a new method for the void fraction measurement of two-phase flow is proposed. A 12-electrode void fraction measurement system is established. A mathematical model of image reconstruction of electrical capacitance tomography is developed. To obtain the quantitative information of two-phase flow, combining the Tikhonov regularization principle and the algebraic reconstruction technique algorithm, a new image reconstruction algorithm is presented. The experimental results show that the accuracy of void fraction measurement is satisfactory. The proposed method is suitable for the void fraction measurement of many kinds of two-phase flow.

Keywords

capacitance measurement; electric impedance imaging; flow measurement; image reconstruction; two-phase flow; Tikhonov regularization; algebraic reconstruction technique algorithm; electrical capacitance tomography; image reconstruction; mathematical model; two-phase flow; void fraction measurement; Capacitance measurement; Capacitive sensors; Data acquisition; Dielectric measurements; Electric variables measurement; Electrical capacitance tomography; Electrodes; Fluid flow measurement; Image reconstruction; Permittivity measurement;

fLanguage

English

Journal_Title

Instrumentation and Measurement, IEEE Transactions on

Publisher

ieee

ISSN

0018-9456

Type

jour

DOI

10.1109/TIM.2003.809087

Filename

1191404