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Application of a level set method for simulation of droplet collisions

Abstract : A level set technique for interface tracking is presented, both for the continuum surface force formulation and the ghost fluid method approach. A projection method is used to solve incompressible Navier-Stokes equations that are coupled to a transport equation for the level set function, defined as the algebraic distance to interface. Results are presented for head-on droplet collisions in coalescence and reflexive regimes with a 2D axi-symmetric code, and for an off-center droplet collision in a separation regime for a large impact parameter with 3D code. Simulations provided realistic and various droplet collision behaviors and they correspond to experimental observations. (c) 2005 Elsevier Ltd. All rights reserved.
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https://hal.archives-ouvertes.fr/hal-00649762
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Submitted on : Thursday, December 8, 2011 - 3:32:47 PM
Last modification on : Wednesday, May 20, 2020 - 4:59:15 PM

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Sebastien Tanguy, Alain Berlemont. Application of a level set method for simulation of droplet collisions. International Journal of Multiphase Flow, Elsevier, 2005, 31 (9), pp.1015-1035. ⟨10.1016/j.ijmultiphaseflow.2005.05.010⟩. ⟨hal-00649762⟩

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