CLSVOF method to study consecutive drop impact on liquid pool

Bahni Ray (Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, India)
Gautam Biswas (Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Kanpur, India)
Ashutosh Sharma (Department of Chemical Engineering, Indian Institute of Technology Kanpur, Kanpur, India)
Samuel W.J. Welch (Department of Mechanical Engineering, University of Colorado at Denver, Denver, Colorado, USA)

International Journal of Numerical Methods for Heat & Fluid Flow

ISSN: 0961-5539

Publication date: 4 January 2013

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.

Keywords

Citation

Ray, B., Biswas, G., Sharma, A. and Welch, S. (2013), "CLSVOF method to study consecutive drop impact on liquid pool", International Journal of Numerical Methods for Heat & Fluid Flow, Vol. 23 No. 1, pp. 143-158. https://doi.org/10.1108/09615531311289150

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Publisher

:

Emerald Group Publishing Limited

Copyright © 2013, Emerald Group Publishing Limited

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