Simulation of MHD CuO–water nanofluid flow and convective heat transfer considering Lorentz forces

Sheikholeslami, M.; Bandpy, Mofid Gorji; Ellahi, R.; Zeeshan, A.

doi:10.1016/j.jmmm.2014.06.017

Cited by 357 publications

(112 citation statements)

References 48 publications

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“…Also effective electrical conductivity of nanofluid was presented by Sheikholeslami et al [19] as below: …”

Section: Mathematical Formulationmentioning

confidence: 99%

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Lattice Boltzmann Simulation of Magnethydrodynamics Natural Convection in an L-Shaped Enclosure

Mliki¹,

Abbassi²,

Omri³

2016

IJHT

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This paper presents the results of a numerical study on the natural convection of Al2O3-H2O nanofluid in an L-shaped cavity in the presence of a uniform magnetic field. The Lattice Boltzmann Method (LBM) is used to solve the governing equations. The effective thermal conductivity and viscosity of nanofluid are calculated by KKL (Koo-Kleinstreuer-Li) correlation. The influence of pertinent parameters such as Rayleigh number (10 4 ≤Ra≤10 6 ), Hartmann number (0≤Ha≤60), nanoparticle volume concentration (0≤≤0.04) and the cavity aspect ratio (0.2≤AR ≤0.5) on the flow and heat transfer characteristics have been examined. The heat transfer increases first, then considering the role of Brownian motion of nanoparticles and increases with increasing of volume fraction of nanoparticles. But, on the contrary, Hartmann number and aspect ratio of the cavity have others important improvement factor for decreasing free convection in the enclosures.

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“…Also effective electrical conductivity of nanofluid was presented by Sheikholeslami et al [19] as below: …”

Section: Mathematical Formulationmentioning

confidence: 99%

“…fs NMac   (19) With N is the number of lattices in y-direction. Nusselt number Nul is one of the most important dimensionless parameters in describing the convective heat transport.…”

Section: Pr Ramentioning

confidence: 99%

Lattice Boltzmann Simulation of Magnethydrodynamics Natural Convection in an L-Shaped Enclosure

Mliki¹,

Abbassi²,

Omri³

2016

IJHT

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“…Nanofluids can be used to improve thermal management systems in many engineering applications such as transportation, micromechanics instrument and cooling devices. Due to the encouraged enhanced properties associated with nanofluids properties, huge works have been published since about two decades ago (Aminossadati and Ghasemi [16], Ghasemi and Aminossadati [17], Abu-Nada and Chamkha [18], Nemati et al [19], Mahmoudi et al [20], Matin and Pop [21], Sheikhzadeh et al [22], and Sheikholeslami et al [23,24]). …”

Section: Introductionmentioning

confidence: 99%

Entropy Generation and Natural Convection of CuO-Water Nanofluid in C-Shaped Cavity under Magnetic Field

Chamkha

Ismael

Kasaeipoor

et al. 2016

Entropy

136

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This paper investigates the entropy generation and natural convection inside a C-shaped cavity filled with CuO-water nanofluid and subjected to a uniform magnetic field. The Brownian motion effect is considered in predicting the nanofluid properties. The governing equations are solved using the finite volume method with the SIMPLE (Semi-Implicit Method for Pressure Linked Equations) algorithm. The studied parameters are the Rayleigh number (1000 ď Ra ď 15,000), Hartman number (0 ď Ha ď 45), nanofluid volume fraction (0 ď φ ď 0.06), and the cavity aspect ratio (0.1 ď AR ď 0.7). The results have shown that the nanoparticles volume fraction enhances the natural convection but undesirably increases the entropy generation rate. It is also found that the applied magnetic field can suppress both the natural convection and the entropy generation rate, where for Ra = 1000 and φ = 0.04, the percentage reductions in total entropy generation decreases from 96.27% to 48.17% for Ha = 45 compared to zero magnetic field when the aspect ratio is increased from 0.1 to 0.7. The results of performance criterion have shown that the nanoparticles addition can be useful if a compromised magnetic field value represented by a Hartman number of 30 is applied.

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“…Sheikholeslami et al (2013Sheikholeslami et al ( , 2014Sheikholeslami et al ( , 2015 have presented the simulation of MHD CuO and Al2O3-water nanofluid flow and convective heat transfer considering Lorentz forces. Turkyilmazoglu (2014) has studied exact analytical solutions for heat and mass transfer of MHD slip flow in nanofluids.…”

Section: Introductionmentioning

confidence: 99%

Heat and mass transfer on MHD nanofluid flow past a vertical porous plate in a rotating system

Narayana¹,

Venkateswarlu²

2016

Frontiers in Heat and Mass Transfer

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In this paper, we study the chemical reaction and heat source effects on unsteady MHD free convection heat and mass transfer of a nanofluid flow past a semi-infinite flat plate in a rotating system. The plate is assumed to oscillate in time with steady frequency so that the solutions of the boundary layer are the similar oscillatory type. The innovation of the present work is closed-form analytic solutions are obtained for the momentum, energy and concentration equations. The influence of various parameters entering into the problem in the nanofluid velocity, temperature and concentration distributions, as well as the skin friction coefficient, Nusselt number and Sherwood number are discussed by considering three different types of nanoparticles with the help of graphs and tables. This model finds applications in studying magnetic resonance imaging, data storage, biomedicine and thermal enhancement of energy systems.

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Simulation of MHD CuO–water nanofluid flow and convective heat transfer considering Lorentz forces

Cited by 357 publications

References 48 publications

Lattice Boltzmann Simulation of Magnethydrodynamics Natural Convection in an L-Shaped Enclosure

Lattice Boltzmann Simulation of Magnethydrodynamics Natural Convection in an L-Shaped Enclosure

Entropy Generation and Natural Convection of CuO-Water Nanofluid in C-Shaped Cavity under Magnetic Field

Heat and mass transfer on MHD nanofluid flow past a vertical porous plate in a rotating system

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