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Formation and Penetration of Vortex Ring on Drop Coalescence

[+] Author Affiliations
Hiranya Deka, Gautam Biswas, Amaresh Dalal

Indian Institute of Technology Guwahati, Guwahati, India

Paper No. IMECE2016-66786, pp. V007T09A003; 5 pages
doi:10.1115/IMECE2016-66786
From:
  • ASME 2016 International Mechanical Engineering Congress and Exposition
  • Volume 7: Fluids Engineering
  • Phoenix, Arizona, USA, November 11–17, 2016
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5061-9
  • Copyright © 2016 by ASME

abstract

Numerical simulations are performed using coupled level-set and volume of fluid (CLSVOF) method to capture the formation and propagation of a vortex ring when a drop coalesces at the interface of a pool of same liquid and a lighter liquid resting above it. A Vortex ring is generated near the interface on coalescence of a drop. Subsequently the vortex ring propagates into the liquid pool. The propagation of a vortex ring and its dependence on the shape as well as impact velocity of the drop are investigated in this work.

Copyright © 2016 by ASME
Topics: Vortices

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