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Two Phase Analysis of Heat Transfer and Dispersion of Nano Particles in a Microchannel

[+] Author Affiliations
Seyed Mojtaba Mousavi Nayinian, Mehrzad Shams, Hossein Afshar

K. N. Toosi University of Technology, Tehran, Iran

Goodarz Ahmadi

Clarkson University, Potsdam, NY

Paper No. HT2008-56342, pp. 457-463; 7 pages
doi:10.1115/HT2008-56342
From:
  • ASME 2008 Heat Transfer Summer Conference collocated with the Fluids Engineering, Energy Sustainability, and 3rd Energy Nanotechnology Conferences
  • Heat Transfer: Volume 2
  • Jacksonville, Florida, USA, August 10–14, 2008
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4848-7 | eISBN: 0-7918-3832-3
  • Copyright © 2008 by ASME

abstract

The effect of different parameters on dispersion of nanoparticles in a microchannel in slip flow regime is studied. The equations of particle motion and energy balance are solved numerically and the effect of particle diameter, starting position of particles in microchannel, and slip coefficient on dispersion of particles is discussed. Radiative heat flux in energy equation and drag force, Saffman lift force, Brownian force and gravitational force in momentum equation are included. The results show that the Brownian force has considerable effect on particle motion in microchannel. Particles temperature at the outlet can be controlled by variation of their diameter and starting position in microchannel.

Copyright © 2008 by ASME

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