Journal ArticleDOI
Magnetic field effects on natural convection around a horizontal circular cylinder inside a square enclosure filled with nanofluid
TLDR
In this paper, the effect of static radial magnetic field on the thermal conductivity and viscosity of a concentric annulus between a cold outer square and heated inner circular cylinders was investigated numerically using the lattice Boltzmann method.About:
This article is published in International Communications in Heat and Mass Transfer.The article was published on 2012-08-01. It has received 287 citations till now. The article focuses on the topics: Rayleigh number & Natural convection.read more
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Effect of thermal radiation on magnetohydrodynamics nanofluid flow and heat transfer by means of two phase model
TL;DR: In this paper, the effect of thermal radiation on magnetohydrodynamics nanofluid flow between two horizontal rotating plates is studied and the significant effects of Brownian motion and thermophoresis have been included in the model of Nanofluide.
Journal ArticleDOI
Ferrohydrodynamic and magnetohydrodynamic effects on ferrofluid flow and convective heat transfer
TL;DR: In this paper, the influence of an external magnetic field on ferrofluid flow and heat transfer in a semi annulus enclosure with sinusoidal hot wall is investigated and the governing equations which are derived by considering the both effects of FHD and MHD (Magnetohydrodynamic) are solved via CVFEM (Control Volume based Finite Element Method).
Journal ArticleDOI
Heat transfer of Cu-water nanofluid flow between parallel plates
TL;DR: In this paper, the effects of the squeeze number, the nanofluid volume fraction and Eckert number and δ on Nusselt number were investigated, and the results showed that Nussellt number has a direct relationship with nanoparticle volume fraction, δ, the squeeze and EKN when two plates are separated but it has reverse relationship with the squeeze when two plate are squeezed.
Journal ArticleDOI
Forced convection heat transfer in a semi annulus under the influence of a variable magnetic field
TL;DR: In this article, forced convection heat transfer in a semi annulus lid under the influence of a variable magnetic field was studied, and the authors used the Control Volume based Finite Element Method (CVFEM) to solve the governing equations considering both Ferrohydrodynamic (FHD) and Magnetohydrodynamics (MHD) effects.
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Simulation of MHD CuO–water nanofluid flow and convective heat transfer considering Lorentz forces
TL;DR: In this article, the effect of Brownian motion on the effective thermal conductivity and viscosity of nanofluid is investigated using Lattice Boltzmann method to solve the governing equations.
References
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Buoyancy-driven heat transfer enhancement in a two-dimensional enclosure utilizing nanofluids
TL;DR: In this article, a model is developed to analyze heat transfer performance of nanofluids inside an enclosure taking into account the solid particle dispersion, where the transport equations are solved numerically using the finite-volume approach along with the alternating direct implicit procedure.
Journal ArticleDOI
Conceptions for heat transfer correlation of nanofluids
Yimin Xuan,Wilfried Roetzel +1 more
TL;DR: In this article, the authors proposed two different approaches for deriving heat transfer correlation of the nanofluid, and investigated the mechanism of heat transfer enhancement of the nano-fluid.
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Effect of a magnetic field on free convection in a rectangular enclosure
TL;DR: In this paper, a finite difference scheme consisting of modified ADI (Alternating Direction Implicit) method and SLOR (Successive Line Over Relaxation) method is used to solve the vorticity-stream function formulation of the problem.
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Natural convection heat transfer enhancement in horizontal concentric annuli using nanofluids
TL;DR: In this paper, the authors investigated the effect of different types and volume fractions of nanoparticles on heat transfer in horizontal annuli using nanofluids and found that nanoparticles with high thermal conductivity caused significant enhancement of heat transfer characteristics.
Journal ArticleDOI
Natural Convection Heat Transfer in an Inclined Enclosure Filled with a Water-Cuo Nanofluid
TL;DR: In this article, the authors present the results of a numerical study on natural convection heat transfer in an inclined enclosure filled with a water-CuO nanofluid, where two opposite walls of the enclosure are insulated and the other two walls are kept at different temperatures.