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Control of a separated flow behind a back-facing step by means of tabs

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, , Citation A V Barsukov et al 2020 J. Phys.: Conf. Ser. 1666 012005 DOI 10.1088/1742-6596/1666/1/012005

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1 1Novosibirsk State University, Novosibirsk, Russia

2 Kutateladze Institute of Thermophysics SB RAS, Novosibisrk, Russia

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1742-6596/1666/1/012005

Abstract

The result of numerical simulation of a flat channel with a back-facing step in the presence of tabs by the RANS method is presented. The Reynolds number, calculated by the step height and the average flow rate velocity, was Re = 5000. The data obtained made it possible to analyze the dynamics of interaction between the separated flow behind a tab and the region of the main separation behind a step. Tabs have the greatest influence on the area in close proximity to the step.

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10.1088/1742-6596/1666/1/012005