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Simulation of Blob Dynamics Inside a Channel Under Acoustic Excitation

[+] Author Affiliations
Pitambar Randive, Amaresh Dalal

Indian Institute of Technology Guwahati, Guwahati, AS, India

Partha P. Mukherjee

Texas A&M University, College Station, TX

Paper No. HT2013-17372, pp. V001T03A033; 6 pages
doi:10.1115/HT2013-17372
From:
  • ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology
  • Volume 1: Heat Transfer in Energy Systems; Thermophysical Properties; Theory and Fundamental Research in Heat Transfer
  • Minneapolis, Minnesota, USA, July 14–19, 2013
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-5547-8
  • Copyright © 2013 by ASME

abstract

The displacement of a three-dimensional immiscible blob subject to oscillatory acoustic excitation in a channel is studied with the Lattice Boltzmann method. The effects of amplitude of the force, viscosity and frequency on blob dynamics are investigated. The trend for variation of mean displacement of blob and frequency response is in agreement to that of the previous two-dimensional studies reported in literature. The response of the blob with pinned contact line shows underdamped behavior. It is also found that increasing the amplitude of the force increases the mean displacement and frequency response.

Copyright © 2013 by ASME

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