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Thermal Conductivity Models Effect on the Nanofluids Heat Transfer Capability

Avinash Singh Thakur, Manoj Sharma



Nanofluids are the suspension of solid particles in the fluid. Nanofluid possesses high thermal conductivity and higher surface area to volume ratio which helps in increasing the heat transfer. Thermal properties of nanofluids like, effective density, effective specific heat and effective thermal conductivity are the properties behind the increased heat transfer. Present work focuses on the effect of solid nano-particle concentration and thermal conductivity models on the thermal properties of nanofluids or their heat transfer capability. Al2O3, B4C, Cu, SiC and TiO2 as solid-nano particles while water as base-fluid is considered. Different models considered are mixture rule, “Maxwell model” and Yo and Choi model”. For calculating effective properties, density, specific heat and thermal expansion coefficient, physical mixture rule is considered.

Keywords: Nanofluids, nanoparticle, density, thermal conductivity, heat

Cite this Article


Avinash Singh Thakur, Manoj Sharma. Thermal Conductivity Models Effect on the Nanofluids Heat Transfer Capability. Journal of Nanoscience, Nanoengineering and Applications. 2017; 7(2): 35–40p.

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