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A Model of Nanofluids Thermal Conductivity

[+] Author Affiliations
Jinbo Wang, Gang Chen

Massachusetts Institute of Technology, Cambridge, MA

Zongqin Zhang

University of Rhode Island, Kingston, RI

Paper No. HT2005-72797, pp. 501-508; 8 pages
  • ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems
  • Heat Transfer: Volume 1
  • San Francisco, California, USA, July 17–22, 2005
  • Conference Sponsors: Heat Transfer Division and Electronic and Photonic Packaging Division
  • ISBN: 0-7918-4731-4 | eISBN: 0-7918-3762-9
  • Copyright © 2005 by ASME


Since the experimental observations were reported that nanofluids exhibit unusually high thermal conductivity, different candidate models have been proposed by several research groups in order to reveal the underlying physics. Despite the efforts, mechanisms of the thermal conductivity enhancement are still being hotly debated. In this paper, we report a new model that correlates nanofluids thermal conductivity to particle size, volume fraction, temperature, surface zeta potential, and suspension electrolyte ion concentration. Our model provides new insights on the mechanisms and guidelines for future experimental exploration.

Copyright © 2005 by ASME



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