A review on why researchers apply external magnetic field on nanofluids

Beriache, M’hamed; Sidik, Nor Azwadi Che; Yazid, Mohammad Noor Afiq Witri Muhammad; Mamat, Rizalman; Najafi, G.; Kefayati, Gholamreza

doi:10.1016/j.icheatmasstransfer.2016.08.023

Cited by 109 publications

(16 citation statements)

References 100 publications

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“…Moreover, their thermophysical properties can be tuned when they exposed to an external magnetic field [6]. Therefore, magnetic nanofluids can be actuated as an alternative pumping method in microchannel flow for thermal engineering systems [7].…”

Section: Introductionmentioning

confidence: 99%

Magnetic Field Distributions inside Magnetically Driven Nanofluids for Thermal Management of CPUs

et al. 2020

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Herein a magnetic actuation strategy is proposed to manipulate magnetic nanofluids in CPU thermal management applications. The proposed concept consists of a multi-circular microchannel unit and a rotating permanent magnet. A set of numerical simulations have been carried out to evaluate the influences of (i) magnet diameter, (ii) distance between the magnet and the microchannel, and (iii) shape of the magnet on magnetic flux densities (MFD) inside microchannels with Fe3O4 magnetic nanofluid. The results indicated that the MFD on the magnetic nanofluid significantly varies along with the radial position within the microchannel.

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Section: Introductionmentioning

confidence: 99%

Magnetic Field Distributions inside Magnetically Driven Nanofluids for Thermal Management of CPUs

et al. 2020

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“…Important review studies of transport characteristics of mass and heat of nanofluids have been addressed by many authors (Ozerinc et al [1], M'hamed et al [2], Liang and Mudawar [3], Kakaç and Pramuanjaroenkij [4], Zayed et al [5], Estellé et al [6], Farhana et al [7], Ahmad et al [8], Akilu et al [9] and Menni et al [10]). Minakov et al [11] used H2O-ZrO2 nanofluids and experimental models to enhance the convective turbulent structure in channels and tubes with no promoters.…”

Section: Introductionmentioning

confidence: 99%

Numerical Simulation of Water as Base Fluid Dispersed by Al2O3 Aluminum Oxide Nano-Sized Solid Particles with Various Concentrations

Zidani¹,

Maouedj²,

Salmi³

2020

ACSM

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Curves of pressure, lines of current, speed of fluid, fields and diagrams of kinetic energy, and plots of viscosity through a H2O/Al2O3 nanofluid-heat exchanger with recirculation promoters are studied by using a computational approach and a two-dimensional algorithm. The simulation used four nanofluid fractions, i.e. ϕ = 0.5, 1, 2 and 4 percent, with four flow rates, i.e. Re = 5, 10, 15 and 20 (× 103). Both the discontinuous-type deflectors and the detached-model bars are considered to reinforce the nanofluid field structure. The discontinuous-situation of these deflectors allows reducing the pressure on its front-corner by passing the fluid between their internal surfaces. In addition, the field is detached from the front-sharp-edge, forcing the creation of recycling-rings on their back-areas. While, the presence of the detached-bar model in both the top and the lower stations of the exchanger allows an improvement in the flow disturbance across the gaps through their interior-surfaces, and the formation of new recycling-cells near their right-sides. These vortices constitute opposite-currents where their strength increases with increasing nanofluid concentration and Reynolds values.

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“…This is known as magnetohydrodynamics (MHD). Its applications can be seen in astrophysics, geophysics [24][25][26][27][28][29][30][31] and many other industrial processes such as magnetohydrodynamic generators, pumps, bearings etc. Mabood et al 32 investigated the boundary layer flow with MHD and thermal radiation over an exponentially stretching surface.…”

Section: Introductionmentioning

confidence: 99%

Numerical study focusing on the entropy analysis of MHD squeezing flow of a nanofluid model using Cattaneo–Christov theory

2018

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The present study gives an account of the heat transfer characteristics of the squeezing flow of a nanofluid between two flat plates with upper plate moving vertically and the lower in the horizontal direction. Tiwari and Das nanofluid model has been utilized to give a comparative analysis of the heat transfer in the Cu-water and Al 2 O 3 -water nanofluids with entropy generation. The modeling is carried out with the consideration of Lorentz forces to observe the effect of magnetic field on the flow. The Joule heating effect is included to discuss the heat dissipation in the fluid and its effect on the entropy of the system. The nondimensional ordinary differential equations are solved using the Keller box method to assess the numerical results which are presented by the graphs and tables. An interesting observation is that the entropy is generated more near the lower plate as compared with that at the upper plate. Also, the heat transfer rate is found to be higher for the

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A review on why researchers apply external magnetic field on nanofluids

Cited by 109 publications

References 100 publications

Magnetic Field Distributions inside Magnetically Driven Nanofluids for Thermal Management of CPUs

Magnetic Field Distributions inside Magnetically Driven Nanofluids for Thermal Management of CPUs

Numerical Simulation of Water as Base Fluid Dispersed by Al2O3 Aluminum Oxide Nano-Sized Solid Particles with Various Concentrations

Numerical study focusing on the entropy analysis of MHD squeezing flow of a nanofluid model using Cattaneo–Christov theory

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