MHD natural convection of Cu–Al2O3 water hybrid nanofluids in a cavity equally divided into two parts by a vertical flexible partition membrane

Ghalambaz, Mohammad; Mehryan, S.A.M.; Izadpanahi, Ehsan; Chamkha, Ali J.; Wen, Dongsheng

doi:10.1007/s10973-019-08258-w

Cited by 131 publications

(26 citation statements)

References 58 publications

(53 reference statements)

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“…Ibrahim and Tulu 24 researched the MHD flow of a nanofluid with heat transfer treatment embedded in porous media. Recently, many researchers 25–39 have investigated with or without MHD effects on nanoparticles.…”

Section: Introductionmentioning

confidence: 99%

MHD rotating flow of a Maxwell fluid with Arrhenius activation energy and non‐Fourier heat flux model

Ramaiah¹,

Surekha

Gangadhar

et al. 2020

Heat Trans

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In the present work, the effects of the transfer of heat, as well as the mass phenomenon of a Maxwell fluid in revolving flow over a unidirectional stretching surface are discussed. The result of the magnetic field within the boundary layer is considered. In the energy equation, the heat flux model of non-Fourier Cattaneo-Christov is employed. The customized Arrhenius function for energy activation is used. By using the transformation strategy, nondimensional expressions are achieved. To predict the highlights of the current effort, the result of the emerging nonlinear differential structure is calculated with the aid of the shooting procedure as well as the Runge-Kutta Fehlberg procedure. The influence of velocity and temperature along with concentration profiles for various physical parameters is analyzed. The involvement of fluid relaxation and thermal retardation phenomena is unequivocally mentioned.The evolution of heat transfer, as well as the rate of mass in the flow of fluids, is illustrated by the use of graphs in addition to tables. Furthermore, the current effort is confirmed by examination with previously published results, which establishes a strategy for the execution of a numerical approach. It is observed that the concentration of a solute in dual combination is relative to both rotation parameters along with activation energy. Besides this, a diminishing pattern in the distribution of temperature is described within the existence of the Cattaneo-Christov flux law by association with the rate of heat transfer because of Fourier's law. The present investigation can be applied in numerous engineering and technical procedures including the development of thin sheets, modeling of plastic sheets, in the lubrication system industry related to polymers, compression, and injection shaping in the area of chemical production and bimolecular reactions. Inspired by those applications, the present work is undertaken. K E Y W O R D S Arrhenius activation energy, Cattaneo-Christov heat flux model, chemical reaction, Maxwell fluid, MHD, rotating frame

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Section: Introductionmentioning

confidence: 99%

MHD rotating flow of a Maxwell fluid with Arrhenius activation energy and non‐Fourier heat flux model

Ramaiah¹,

Surekha

Gangadhar

et al. 2020

Heat Trans

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“…One of the most important topics in this field is the magnetic effect on the nanofluid behaviors which is widely investigated by the Chamkha et al [49][50][51][52][53][54][55][56][57][58][59][60][61] in different geometries. Also, they [62][63][64][65][66][67][68][69][70][71][72][73][74][75][76][77][78] investigated the other important parameters such as sinusoidal heating, porous media, wall thickness, entropy generation, hybrid nanofluids, flexible membrane, etc. on the nanofluids heat transfers.…”

Section: Introductionmentioning

confidence: 99%

Mixed Convection Heat Transfer of Sio2-Water and Alumina-Pao Nano-Lubricants Used in a Mechanical Ball Bearing

Hatami¹,

Ali²,

Alsabery³

et al. 2021

Journal of Thermal Engineering

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In this study, the mixed convection heat transfer in a mechanical ball bearing filled with nano-lubricants were investigated theoretically. In our case, the bearing including eight balls revolving in counter clockwise while the inner shaft rotates in clockwise direction and the inner and outer walls of bearing were kept at constant hot and cold temperatures, respectively. Two kinds of nano-lubricants SiO2-water and Alumina-Polyalphaolefin (PAO) with different shapes of nanoparticles were considered. The governing equations including velocity, pressure, and temperature formulation were solved based on the Galerkin finite element method. The governing parameters such as nanoparticle volume fraction, Reynolds and Rayleigh numbers, etc., were discussed. It turns out that the average Nusselt number increases by increasing the nanoparticle volume fraction (averagely 15% for each 0.02 increase) and the oil-based nano-lubricant has greater Nusselt number than the water based one. More importantly, the Nono-rod Alumina was found to show much greater heat transfer performance (averagely 5%) than the spherical alumina nanoparticles and nano-rod Alumina-PAO has the best performance and maximum Nusselt numbers for the heat transfer.

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“…Rashidi 31 also used Lie group transformation for free convective nanofluid flow past a chemically responding level plate in a permeable media. Recently, many researchers 32–40 investigated nanofluid and non‐Newtonian fluid flows by considering different geometries.…”

Section: Introductionmentioning

confidence: 99%

Symmetry analysis of MHD Casson fluid flow for heat and mass transfer near a stagnation point over a linearly stretching sheet with variable viscosity and thermal conductivity

Tufail

Zaib

2021

Heat Trans

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In this article, the impacts of variable viscosity and thermal conductivity on magnetohydrodynamic, heat transfer, and mass transfer flow of a Casson fluid are analyzed on a linearly stretching sheet inserted in a permeable medium along with heat source/sink and viscous dissipation. To reduce the ascendant partial differential equations into ordinary differential equations, Lie group transformation is utilized. Further, the fourth‐order Runge–Kutta strategy is utilized to solve the ordinary differential equations numerically. The numerical results obtained for various parameters by employing coding in MATLAB programming are investigated and considered through graphical representation and tables. We anatomize the impacts of distinctive parameters on velocity, temperature, and concentration distributions.

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MHD natural convection of Cu–Al2O3 water hybrid nanofluids in a cavity equally divided into two parts by a vertical flexible partition membrane

Abstract: This is a repository copy of MHD natural convection of Cu-Al2O3 water hybrid nanofluids in a cavity equally divided into two parts by a vertical flexible partition membrane.

Cited by 131 publications

References 58 publications

MHD rotating flow of a Maxwell fluid with Arrhenius activation energy and non‐Fourier heat flux model

MHD rotating flow of a Maxwell fluid with Arrhenius activation energy and non‐Fourier heat flux model

Mixed Convection Heat Transfer of Sio2-Water and Alumina-Pao Nano-Lubricants Used in a Mechanical Ball Bearing

Symmetry analysis of MHD Casson fluid flow for heat and mass transfer near a stagnation point over a linearly stretching sheet with variable viscosity and thermal conductivity

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