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A DNS Study of Falling Droplets Under Effects of Electric Field

[+] Author Affiliations
Esmaiil Ghasemisahebi, Soheil Soleimanikutanaei, Cheng-Xian Lin

Florida International University, Miami, FL

Hassan Bararnia

University of Illinois at Chicago, Chicago, IL

Paper No. IMECE2017-72206, pp. V007T09A014; 10 pages
  • ASME 2017 International Mechanical Engineering Congress and Exposition
  • Volume 7: Fluids Engineering
  • Tampa, Florida, USA, November 3–9, 2017
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5842-4
  • Copyright © 2017 by ASME


In this study deformation and breakup of a falling drop which is surrounded by another liquid are modeled numerically. The drop is influenced by an external electric field which is applied uniformly on the side walls of the domain. An open-source volume-of-fluid solver, Gerris with dynamic adaptive grid refinement has been used for numerically modeling the three-dimensional deformation of a falling droplet. The numerical results are presented for various values of density ratios and electrical conductivity and permittivity. The current numerical results are compared with previous experimental and analytical works which shows a great agreement between them.

Copyright © 2017 by ASME



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