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Simulation on using cross-correlation technique for two-phase liquid/gas flow measurement for ultrasonic transmission tomography

Abdul Rahim, Ruzairi and Nor Ayob, N. M. and Yaacob, S. and Zakaria, Z. and Fazalul Rahiman, M. H. (2010) Simulation on using cross-correlation technique for two-phase liquid/gas flow measurement for ultrasonic transmission tomography. In: 6th International Colloquium on Signal Processing & Its Applications (CSPA) 2010, 2010.

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Official URL: http://dx.doi.org/10.1109/CSPA.2010.5545271

Abstract

Combining Ultrasonic Transmission Tomography (UTT) with the cross-correlation flow measurement technique can provide more information on the flow than usual. A simulated dual-plane UTT system for use on laboratory and plant-scale process equipment has been developed on the basis of this idea. This paper focuses on the correlator used to cross-correlate the tomogram images between the downstream and upstream plane of the simulated dual-plane ultrasonic transmission tomography system. This paper proposed the use of 2D correlation coefficient for the correlator and the result of its use is discussed. The principle of measurement of the local gas velocity distribution in a bubbly gas/liquid pipe flow which is based on cross-correlation of two plane images is also described. Initial experimental results illustrate the feasibility of the method presented here.

Item Type:Conference or Workshop Item (Paper)
Uncontrolled Keywords:correlation coefficient, cross-correlation, dual-plane simulation, frozen pattern, ultrasonic transmission tomography
Subjects:T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions:Electrical Engineering
ID Code:24260
Deposited By: Liza Porijo
Deposited On:08 Aug 2012 06:33
Last Modified:08 Aug 2012 06:37

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