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Heat Transfer and Flow Behavior of Nanoparticle Enhanced Ionic Liquids (NEILs)

[+] Author Affiliations
Titan C. Paul

Univeraity of South Carolina, Columbia, SC

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. HT2012-58345, pp. 303-309; 7 pages
doi:10.1115/HT2012-58345
From:
  • ASME 2012 Heat Transfer Summer Conference collocated with the ASME 2012 Fluids Engineering Division Summer Meeting and the ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels
  • Volume 1: Heat Transfer in Energy Systems; Theory and Fundamental Research; Aerospace Heat Transfer; Gas Turbine Heat Transfer; Transport Phenomena in Materials Processing and Manufacturing; Heat and Mass Transfer in Biotechnology; Environmental Heat Transfer; Visualization of Heat Transfer; Education and Future Directions in Heat Transfer
  • Rio Grande, Puerto Rico, USA, July 8–12, 2012
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4477-9
  • Copyright © 2012 by ASME

abstract

Experimental investigations were carried out to characterize forced convection behavior of Nanoparticle Enhanced Ionic Liquids (NEILs). 1-butyl-3-methylimidazolium bis{(trifluoromethyl) sulfonyl} imide ([C4mim][NTf2]) was used as the base ionic liquid (IL) with 0.5% (weight%) loading of Al2O3 nanoparticles. Flow experiments were conducted in a circular tube in the laminar flow regime. Convection results from IL without nanoparticles were used as the base line data for comparison with convection results with NEIL. Viscosity and thermal conductivity of the NEIL and base IL were also measured. NEIL displayed superior thermal performance compared to the base IL. An average of 13% enhancement in heat transfer coefficient was found for the NEIL compared with that of the base IL. Probable reasons of these enhancements are discussed in the paper.

Copyright © 2012 by ASME

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