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International Journal of Fluid Mechanics Research
ESCI SJR: 0.206 SNIP: 0.446 CiteScore™: 0.9

ISSN Print: 2152-5102
ISSN Online: 2152-5110

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International Journal of Fluid Mechanics Research

DOI: 10.1615/InterJFluidMechRes.2017017803
pages 185-194

CONVECTION FLOW AND HEAT TRANSFER IN A SQUARE CAVITY WITH NON-NEWTONIAN CROSS NANOFLUID

Jinhu Zhao
School of Mathematics and Statistics, Fuyang Normal University, Anhui, China
Liancun Zheng
School of Mathematics and Physics, University of Science and Technology Beijing, Beijing 100083, China
Xinxin Zhang
School of Energy and Environmental Engineering, University of Science and Technology Beijing, Beijing 100083, China; Beijing Key Laboratory of Energy Saving and Emission Reduction for Metallurgical Industry, University of Science and Technology Beijing, Beijing 100083, China

ABSTRACT

This study investigates forced convection flow and heat transfer of non-Newtonian nanofluid in a square cavity. The Cross model is introduced to characterize the viscosity of the base fluid combined with nanoparticle volume fraction. The coupled equations are solved numerically by the finite volume-method. The effects of different nanoparticle volume fraction and power law index are discussed in detail on flow and temperature fields. Results indicate that viscosity rises with the increase of nanoparticle volume fraction. Pressure drop declines as the power law index increases, but rises with the augment of nanoparticle volume fraction. Moreover, the total Nusselt number first increases and then declines with the augment of power law index, but decreases with the augment of nanoparticle volume fraction.


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