Journal
PHYSICS OF FLUIDS
Volume 30, Issue 3, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5022060
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- Shanghai Automotive Wind Tunnel Technical Service Platform [16DZ2290400]
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In this paper, the laminar forced convection heat transfer of nanofluid through a bent channel was numerically investigated. The lattice Boltzmann method was used for solving the governing equations in the domain. The effect of different parameters such as Reynolds number (50 <= Re <= 150), vertical passage ratio (2.0 <= M <= 4.0), and nanoparticle solid volume fractions (Phi = 0, 0.01, 0.03, 0.05) are analyzed in terms of streamlines, isotherms, and local Nusselt numbers. It was concluded from this study that the local and average Nusselt number increased with increasing nanoparticle volume fraction regardless of Re and M. Moreover, the effect of the nanofluid concentration on the increment of heat transfer was more remarkable at higher values of the Reynolds number. Simulations show that by increasing the Reynolds number or decreasing the vertical passage ratio, the local and average Nusselt number increases. Published by AIP Publishing.
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