«Automation and Informatization of the fuel and energy complex»

Modeling of multiphase flow in boreholes using fuzzy clusterization

UDC: 532.542+510.644.4
DOI: -

Authors:

¹ National University of Oil and Gas "Gubkin University", Moscow, Russia

Keywords: multiphase flows, flow modes, flow mode maps, Kutateladze number, Beggs and Brill correlation, fuzzy clustering

Annotation:

The authors of the article present the results of an analysis of a large volume of experimental data related to various modes of multiphase flows, carried out in order to ensure the possibility of determining the mode based on various dimensionless parameters. The authors built new maps of flow regimes using fuzzy clustering and identified the best method for determining the modes, based on determining the Kutateladze number and Reynolds number. The authors of the article propose a technique for modeling multiphase flow based on Beggs and Brill correlation using new maps of flow modes; the proposed technique is tested on the real data. The use of the flow regimes map, built on the basis of the Kutateladze number and the Reynolds number for a fluid using a fuzzy clustering algorithm, gives a discrepancy with the real data of less than 5 %, which is significantly less than for the map of Beggs and Brill modes.

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