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Base fluid and temperature effects on the heat transfer characteristics of SiC in ethylene glycol/H2O and H2O nanofluids

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Title: Base fluid and temperature effects on the heat transfer characteristics of SiC in ethylene glycol/H2O and H2O nanofluids
Author(s): Timofeeva, Elena V.; Yu, Wenhua; France, David M.; Singh, Dileep; Routbort, Jules L.
Subject(s): heat transfer efficiency
Abstract: Experimental data are presented for the thermal conductivity, viscosity, and turbulent flow heat transfer coefficient of nanofluids with SiC particles suspended in ethylene glycol (EG)/water (H2O) mixture with a 50/50 volume ratio. The results are compared to the analogous suspensions in water for four sizes of SiC particles (16-90 nm). It is demonstrated that the heat transfer efficiency is a function of both the average particle size and the system temperature. The results show that adding SiC nanoparticles to an EG/H2O mixture can significantly improve the cooling efficiency while water-based nanofluids are typically less efficient than the base fluids. This is one of the few times that substantial nanofluid heat transfer enhancement has been reported in the literature based on a realistic comparison basis of constant velocity or pumping power. The trends important for engineering efficient heat transfer nanofluids are summarized. (C) 2011 American Institute of Physics. [doi:10.1063/1.3524274]
Issue Date: 2011-01-01
Publisher: American Institute of Physics
Citation Info: Timofeeva, E. V., Yu, W. H., France, D. M., Singh, D., & Routbort, J. L. 2011. Base fluid and temperature effects on the heat transfer characteristics of SiC in ethylene glycol/H2O and H2O nanofluids. Journal of Applied Physics, 109(1). DOI: 10.1063/1.3524274.
Type: Article
Description: Copyright 2011 American Institute of Physics. The following article appeared in Journal of Applied Physics, 109(1). and may be found at http://link.aip.org/link/?jap/109/014914. DOI: 10.1063/1.3524274
URI: http://hdl.handle.net/10027/7762
ISSN: 0021-8979
Sponsor: This work is funded by the DOE Industrial Technology Program No. M68008852. Argonne National Laboratory is a U.S. Department of Energy Office of Science Laboratory under Contract No. DE-AC02-06CH11357 by UChicago Argonne LLC.
Date Available in INDIGO: 2011-05-27
 

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