Impact of Hall Current on the Entropy Generation of Radiative MHD Mixed Convection Casson Fluid

Opanuga, A. A.; Adesanya, Samuel O.; Okagbue, Hilary I.; Agboola, O.O.

doi:10.1007/s40819-020-0790-0

Cited by 12 publications

(5 citation statements)

References 42 publications

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“…Ali et al [10] discussed the Hall current analysis for peristaltic motion of hybrid nanofluid. Opanuga et al [11] studied the radiative peristaltic mixed convection Casson fluid through Hall effect. Vaidya et al [12] discussed the wall properties for peristaltic flow for heat and mass transfer.…”

Section: Introductionmentioning

confidence: 99%

Analysis of activation energy and entropy generation in mixed convective peristaltic transport of Sutterby nanofluid

Hayat

Nisar

Alsaedi

et al. 2020

J Therm Anal Calorim

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Peristalsis of nanofluid is significant in cancer treatment, ulcer treatment and industrial equipment. This study simulated the MHD peristaltic transport of Sutterby nanofluid with mixed convection and Hall current. Partial slip and convective conditions are imposed for flexible channel walls. Energy and concentration equations are modeled by considering the effects of Joule heating, thermal radiation, viscous dissipation and activation energy. Buongiorno nanofluid model is employed which features thermophoresis and Brownian movement aspects. The resulting nonlinear system of equations is numerically solved after employing the large wavelength and small Reynolds number supposition. Graphical analysis for the velocity, temperature, concentration, heat transfer coefficient and entropy generation is analyzed. It is observed that velocity has opposite behavior for mixed convection parameters. Temperature and heat transfer rate enhanced for Brownian movement and thermophoresis parameters. Concentration rises against larger activation energy and radiation variables. Further entropy declines against higher diffusion parameter.

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Section: Introductionmentioning

confidence: 99%

Analysis of activation energy and entropy generation in mixed convective peristaltic transport of Sutterby nanofluid

Hayat

Nisar

Alsaedi

et al. 2020

J Therm Anal Calorim

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“…Ali et al 31 calculated the analytical solutions of couple stress Casson liquid flow toward the open channel. Opanuga et al 32 deliberated the Casson fluid mathematical modeling with entropy generation and Hall current effects. They presented the series solutions by employing the DTM scheme.…”

Section: Introductionmentioning

confidence: 99%

Influences of Soret and Dufour numbers on mixed convective and chemically reactive Casson fluids flow towards an inclined flat plate

et al. 2022

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The purpose of this study is to examine the magnetohydrodynamic mixed convection Casson fluid flow over an inclined flat plate along with the heat source/sink. The present flow problem is considered under the assumption of the chemical reaction and thermal radiation impacts along with heat and mass transport. The leading nonlinear partial differential equations of the flow problem were renovated into the nonlinear ordinary differential equations (ODEs) with the assistance of appropriate similarity transformations and then we solved these ODEs with the employment of the bvp4c technique using the computational software MATLAB. The consequences of numerous leading parameters such as thermophoretic parameter, local temperature Grashof number, solutal Grashof number, suction parameter, magnetic field parameter, Prandtl number, chemical reaction parameter, Dufour number, Soret number, angle of inclination, radiation parameter, heat source/sink, and Casson parameter on the fluid velocity, temperature, and concentration profiles are discoursed upon and presented through different graphs. Some important key findings of the present investigation are that the temperature of the Casson fluid becomes lower for local temperature Grashof number and solutal Grashof number. It is initiated that the Casson fluid parameter increases the velocity of the fluid whereas the opposite effect is noticed in the temperature profile. Higher estimation of Prandtl number and magnetic parameter elevated the Casson fluid concentration. Finally, the skin friction coefficient, Nusselt number, and Sherwood number are calculated and tabulated. It is also examined that the Nusselt number is weakened for both the Dufour number and Soret number but the skin fraction coefficient is greater for both the Dufour number and Soret number.

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“…Furthermore, investigation of heat and mass transfer flow has given insight into some natural phenomena as submitted by Bejan [1] and the role of waste gas diffusion of factories in the differential heating of circulated air. Studies relating to heat and mass transfer through various flow configurations and fluid flow include vertical plates (Gebhart and Pera [2], Tao [3], Cheng et al [4], Kaur et al [5], Sehra et al [6], Chamkha [7], Reddy [8], Makinde and Ogulu [9], Gupta and Gupta [10], Rashidi et al [11]); vertical porous medium (Srinivasacharya and Reddy [12], Ameer et al [13], Makinde [14]); horizontal plates (Anjalidevi and Kandasamy [15]; micropolar vertical plates (Uddin et al [16], Chamkha et al [17], Motsa and Shateyi [18] and Opanuga et al [19]); Inclined plates (Pera and Gebhart [20], Chen and Yuh [21]). Nanofluid flow (Das et al [22], Joshi et al [23]) and Couple stress fluid (Srinivasacharya and Kaladhar [24]).…”

Section: Introductionmentioning

confidence: 99%

Unsteady Two Dimensional Mixed Convection MHD Couple Stress Fluid Flow through an Inclined Stretching Sheet with Chemical Reaction

Opanuga

Akinremi

Okagbue

et al. 2022

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In this work, the investigation has focused on the unsteady hydromagnetic mixed convection couple stress fluid through an inclined linearly stretching sheet. The model equations governing the flow are converted to ordinary differential equations employing appropriate similarity transformation variables. An efficient technique, Runge-Kutta 4th order (RK4) technique together with shooting method is deployed to tackle the dimensionless equations with relevant boundary conditions. The impacts of various parameters such as unsteadiness parameter , Hartman number , mixed convection parameter , concentration buoyancy parameter , angle of inclination , chemical reaction parameter and Schmidt number are analysed and discussed with plots. Fluid velocity decreases as the unsteadiness, Hartman number, Schmidt number, and chemical reaction parameters rise; while the angle of inclination, mixed convection, and concentration buoyancy parameters speed up the flow. Furthermore, the unsteadiness, angle of inclination and mixed convection parameters reduce fluid temperature, while all the parameters reduce flow concentration.

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Impact of Hall Current on the Entropy Generation of Radiative MHD Mixed Convection Casson Fluid

Cited by 12 publications

References 42 publications

Analysis of activation energy and entropy generation in mixed convective peristaltic transport of Sutterby nanofluid

Analysis of activation energy and entropy generation in mixed convective peristaltic transport of Sutterby nanofluid

Influences of Soret and Dufour numbers on mixed convective and chemically reactive Casson fluids flow towards an inclined flat plate

Unsteady Two Dimensional Mixed Convection MHD Couple Stress Fluid Flow through an Inclined Stretching Sheet with Chemical Reaction

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