The thermal conductivity of liquid mixture

Gaitonde, U. N. ; Deshpande, D. D. ; Sukhatme, S. P. (1978) The thermal conductivity of liquid mixture Industrial and Engineering Chemistry Fundamentals, 17 (4). pp. 321-325. ISSN 0196-4313

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Official URL: http://pubs.acs.org/doi/abs/10.1021/i160068a018?pr...

Related URL: http://dx.doi.org/10.1021/i160068a018

Abstract

Effective thermal conductivity of mixtures of fluids and nanometer-size particles is measured by a steady-state parallel-plate method. The tested fluids contain two types of nanoparticles, Al2O3 and CuO, dispersed in water, vacuum pump fluid, engine oil, and ethylene glycol. Experimental results show that the thermal conductivities of nanoparticle-fluid mixtures are higher than those of the base fluids. Using theoretical models of effective thermal conductivity of a mixture, we have demonstrated that the predicted thermal conductivities of nanoparticle-fluid mixtures are much lower than our measured data, indicating the deficiency in the existing models when used for nanoparticle-fluid mixtures. Possible mechanisms contributing to enhancement of the thermal conductivity of the mixtures are discussed. A more comprehensive theory is needed to fully explain the behavior of nanoparticle-fluid mixtures.

Item Type:Article
Source:Copyright of this article belongs to American Chemical Society.
ID Code:54229
Deposited On:11 Aug 2011 11:53
Last Modified:11 Aug 2011 11:53

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