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CLSVOF method to study consecutive drop impact on liquid pool

CLSVOF method to study consecutive drop impact on liquid pool Purpose – The purpose of this paper is to present a numerical approach for investigating different phenomena during multiple liquid drop impact on air‐water interface. Design/methodology/approach – The authors have used the coupled level‐set and volume‐of‐fluid (CLSVOF) method to explore the different phenomena during multi‐drop impact on liquid‐liquid interface. Complete numerical simulation is performed for two‐dimensional incompressible flow, which is described in axisymmetric coordinates. Findings – During drop pair impact at very low impact velocities, the process of partial coalescence is observed where the process of pinch off is different than single drop impact. At higher impact velocities, phenomena such as bubble entrapment are observed. Originality/value – In this paper, a new approach has been developed to simulate consecutive drop impact on a liquid pool. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal of Numerical Methods for Heat and Fluid Flow Emerald Publishing

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References (23)

Publisher
Emerald Publishing
Copyright
Copyright © 2013 Emerald Group Publishing Limited. All rights reserved.
ISSN
0961-5539
DOI
10.1108/09615531311289150
Publisher site
See Article on Publisher Site

Abstract

Purpose – The purpose of this paper is to present a numerical approach for investigating different phenomena during multiple liquid drop impact on air‐water interface. Design/methodology/approach – The authors have used the coupled level‐set and volume‐of‐fluid (CLSVOF) method to explore the different phenomena during multi‐drop impact on liquid‐liquid interface. Complete numerical simulation is performed for two‐dimensional incompressible flow, which is described in axisymmetric coordinates. Findings – During drop pair impact at very low impact velocities, the process of partial coalescence is observed where the process of pinch off is different than single drop impact. At higher impact velocities, phenomena such as bubble entrapment are observed. Originality/value – In this paper, a new approach has been developed to simulate consecutive drop impact on a liquid pool.

Journal

International Journal of Numerical Methods for Heat and Fluid FlowEmerald Publishing

Published: Jan 4, 2013

Keywords: Drop point; Liquids; Flow; Numerical methods; Simulation; Interfacial phenomena; Multiple drops; Secondary drop pinch‐off; Bubble entrapment

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