$A fractal model for predicting the effective thermal conductivity of liquid with suspension of nanoparticles$

A fractal model for predicting the effective thermal conductivity of liquid with suspension of nanoparticles

Based on the effective medium approximation and the fractal theory for the description of nanoparticle cluster and its radial distribution, a method for modeling the effective thermal conductivity of “nanofluid” is established. The size effect and the surface adsorption of nanoparticles are taken in...

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Veröffentlicht in:	International journal of heat and mass transfer 2003-07, Vol.46 (14), p.2665-2672
Hauptverfasser:	Wang, Bu-Xuan, Zhou, Le-Ping, Peng, Xiao-Feng
Format:	Artikel
Sprache:	eng
Schlagworte:	Clustering Condensed matter: structure, mechanical and thermal properties Effective thermal conductivity Exact sciences and technology Fractal model Nanoparticles Physics Size effect Surface adsorption Thermal conduction in nonmetallic liquids Thermal properties of condensed matter Thermal properties of small particles, nanocrystals, nanotubes Transport properties of condensed matter (nonelectronic)
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Beschreibung
Zusammenfassung:	Based on the effective medium approximation and the fractal theory for the description of nanoparticle cluster and its radial distribution, a method for modeling the effective thermal conductivity of “nanofluid” is established. The size effect and the surface adsorption of nanoparticles are taken into considerations. The proposed fractal model is discussed in detail for its application, and it predicts quite well with our recent measuring data for dilute suspensions of metallic oxide nanoparticles.
ISSN:	0017-9310 1879-2189
DOI:	10.1016/S0017-9310(03)00016-4