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Numerical Study of Emulsion Droplet in Electromagnetic Field

[+] Author Affiliations
Liana Kovaleva, Ayrat Musin, Yulia Fatkhullina, Yuriy Zamula, Rasul Zinnatullin

Bashkir State University, Ufa, Russia

Iskander S. Akhatov

Bashkir State University, Ufa, RussiaNorth Dakota State University, Fargo, ND

Paper No. IMECE2012-86140, pp. 861-865; 5 pages
doi:10.1115/IMECE2012-86140
From:
  • ASME 2012 International Mechanical Engineering Congress and Exposition
  • Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D
  • Houston, Texas, USA, November 9–15, 2012
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-4523-3
  • Copyright © 2012 by ASME

abstract

Some results of experimental studies of the water-in-oil emulsions in RF and MW electromagnetic fields are presented. In an attempt to understand the phenomenon a mathematical model for a single emulsion droplet dynamics in radio frequency (RF) and microwave (MW) electromagnetic fields is formulated. An algorithm for numerical solution of the problem is developed. The problem is solved accounting for the thermal motion induced by electromagnetic field in the fluid within the water droplet and in the surrounding liquid. The numerical solution revealed that the structures of arising convective flows induced by RF and MW electromagnetic fields are different. The results can help to understand the physical mechanisms of water-in-oil emulsion destruction in electromagnetic field.

Copyright © 2012 by ASME

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