Identification of oil-gas two-phase flow pattern based on SVM and electrical capacitance tomography technique

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Abstract

The correct identification of two-phase flow patterns is the basis for the accurate measurement of other flow parameters in two-phase flow measurement. Electrical capacitance tomography (ECT) is a new visualization measurement technique for two-phase/multi-phase flows. The capacitance measurements obtained from the ECT system contain flow pattern information, and then six feature parameters are extracted. The support vector machine (SVM) has a desirable classification ability with fewer training samples. The inputs of the SVM are extracted feature parameters of different flow patterns. Simulation and static experiments were carried out for typical flow patterns. Results showed that this method is fast in speed and can identify these flow patterns correctly. © 2009 Elsevier Ltd. All rights reserved.

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Zhang, L., & Wang, H. (2010). Identification of oil-gas two-phase flow pattern based on SVM and electrical capacitance tomography technique. Flow Measurement and Instrumentation, 21(1), 20–24. https://doi.org/10.1016/j.flowmeasinst.2009.08.006

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