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Numerical Investigation of Natural and Forced Convection of Ionic Liquids

[+] Author Affiliations
Titan C. Paul, A. K. M. M. Morshed, Jamil A. Khan

University of South Carolina, Columbia, SC

Elise B. Fox, Ann E. Visser, Nicholas J. Bridges

Savannah River National Laboratory, Aiken, SC

Paper No. IMECE2013-66380, pp. V08BT09A055; 7 pages
doi:10.1115/IMECE2013-66380
From:
  • ASME 2013 International Mechanical Engineering Congress and Exposition
  • Volume 8B: Heat Transfer and Thermal Engineering
  • San Diego, California, USA, November 15–21, 2013
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5635-2
  • Copyright © 2013 by ASME

abstract

The paper focused on the numerical simulation of natural and forced convection of N-butyl-N-methylpyrrolidinium bis{trifluoromethyl)sulfonyl} imide ([C4mpyrr][NTf2]), ionic liquids (ILs). For natural convection heated from below in a square enclosure and forced convection flow through a pipe with uniform heat flux condition was considered. In numerical simulation the dimensions of the natural convection enclosure and forced convection tube are considered same as the experimental setup. Both constant and temperature dependent thermophysical properties of ILs are applied in forced convection and only temperature dependent properties are applied in natural convection simulation. The temperature dependent thermophysical properties such as density, viscosity, thermal conductivity, and heat capacity of ILs are measured experimentally. Higher accuracy was observed for temperature dependent models. The numerical results were compared with the experimental data of natural and forced convection, reported reasonably good agreements between experimental and numerical results.

Copyright © 2013 by ASME

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