Thermophoresis effects on non-Darcy MHD mixed convective heat and mass transfer past a porous wedge in the presence of suction/injection

Loganathan, P.; Arasu, P. Puvi

doi:10.2298/tam1003203l

Cited by 22 publications

(8 citation statements)

References 19 publications

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“…According to Loganathan P et al [19], the Cauchy stress tensor in Eyring-Powel fluid is given by 1 1 1 sinh…”

Section: Mathematical Formulationmentioning

confidence: 99%

“…The fluid in consideration is non-Newtonian incompressible infinitely conducting Eyring-Powell fluid .The variation of properties of this fluid are limited by Eyring-Powell, Material and the non-Newtonian fluid parameters respectively. According to [19], based on the unlimited conductivity of this fluid, viscous dissipation, Joule heating, induced magnetic field, external electric field and the field due to polarization have negligible effect on the analysis of the fluid in consideration.…”

Section: Mathematical Formulationmentioning

confidence: 99%

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Numerical Analysis of Heat Transfer of Eyring Powell Fluid Using Double Stratification of Magneto-Hydrodynamic Boundary Layer Flow

Simon

Mutuku

2020

ARJOM

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Heat transfer fluids play a vital role in many engineering and industrial sectors such as power generation, chemical production, air-conditioning, transportation and microelectronics. Aim: To numerically investigate the effect of double stratification on magneto-hydrodynamic boundary layer flow and heat transfer of an Eyring-Powell fluid. Study Design: Eyring-Powell fluid is one of the non-Newtonian fluid that possess different characteristics thus different mathematical models have been formulated to describe such fluids by appropriate substitution into Navier-Stoke’s equations. The challenging complexity and the nature of the resultant equations are of great interest hence attract many investigations. Place and Duration of Study: Department of Mathematics and Actuarial Science, Kenyatta University, Nairobi, Kenya between December 2019 and October 2020. Methodology: The resultant nonlinear equations are transformed to linear differential equations by introducing appropriate similarity transformations. The resulting equations are solved numerically by simulating the predictor-corrector (P-C) method in matlab ode113. The results are graphically depicted and analysed to illustrate the effects of magnetic field, thermophoresis, thermal stratification, solutal stratification, material fluid parameters and Grashoff number on the fluid velocity, temperature, concentration, local Sherwood number and local Nusselt number. Results: The results show that increasing the magnetic field strength, thermophoresis, thermal stratification and solutal stratification lead to a decrease in the fluid velocity, temperature, Sherwood number, Nusselt number and skin friction while an increase in the magnetic field strength, thermal stratification, solutal stratification, and thermophoresis increases the fluid concentration. Conclusion: The parameters in this study can be varied to enhance heat ejection of Eyring-Powell fluid and applied in industries as a coolant or heat transfer fluid.

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“…According to Loganathan P et al [19], the Cauchy stress tensor in Eyring-Powel fluid is given by 1 1 1 sinh…”

Section: Mathematical Formulationmentioning

confidence: 99%

Section: Mathematical Formulationmentioning

confidence: 99%

Numerical Analysis of Heat Transfer of Eyring Powell Fluid Using Double Stratification of Magneto-Hydrodynamic Boundary Layer Flow

Simon

Mutuku

2020

ARJOM

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“…There are several engineering applications of thermophoresis phenomenon in removing small particles from gas streams, in determining exhaust gas particle trajectories from combustion devices, and in studying the particulate material deposition on turbine blades. Loganathan and Arasu (2010) examined the impact of thermophoresis on viscous fluid flow over a porous wedge surface with suction/injection. Rahman et al (2012) studied the influence of thermophoresis on unsteady convective heat and mass transfer flow over a wedge surface.…”

Section: Introductionmentioning

confidence: 99%

Index, Volume 9, 2018

2018

Nano Sci Technol Int J

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Nanoscience and Nanotechnology: An International Journal (NST) is a global forum for the communication of comprehensive articles on nanoscience and nanotechnology research, especially interdisciplinary studies at the interfaces of materials science, physics, chemistry, biology, electronics, energy, and engineering. Among the areas of interest to the journal are: • Synthesis and processing of inorganic, organic and hybrid nanosized materials • Theory, modeling and simulation of nanometer-scale objects and synthetic, assembly, and interaction processes • Crystal structure, physical properties and characterization of nanomaterials and nanodevices • Application of novel nanostructures and nanodevices in photonics, electronics, energy harvesting, energy storages, and bio-medical

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“…Yih [99], [100] investigated the effects of viscous dissipation and the work done by stress on the heat transfer characteristics. Recently, Loganathan and Arasu [88] analyzed the effects of thermophoresis particle deposition on the non-Darcy mixed convective heat and mass transfer past a porous wedge in the presence of suction/blowing. An approximate numerical solution for thermal stratification on MHD steady laminar boundary layer flow over a wedge with suction or injection was investigated by Anjali Devi and Kandasamy [79].…”

Section: Introductionmentioning

confidence: 99%

Chapter 6. Application of the Keller-box Method to More Advanced Problems

Vajravelu¹,

Prasad²

2014

Keller-Box Method and Its Application

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In this chapter, we discuss the application of the Keller-box method to solve more advanced coupled nonlinear boundary value problems of one or more independent variables. In Sections 6.1 and 6.3, the effects of variable fluid properties on the boundary layer flow and heat transfer of a fluid over a flat sheet are studied; whereas in Section 6.2, we study dusty fluid flow over a stretching sheet. The hydromagnetic mixed convection boundary layer flow of an electrically conducting fluid over a non-isothermal wedge and sphere under different physical situations are analyzed in Sections 6.4 and 6.5. In Section 6.6, we study the flow and heat transfer of an electrically conducting viscoelastic fluid past a semi-infinite plate.

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Thermophoresis effects on non-Darcy MHD mixed convective heat and mass transfer past a porous wedge in the presence of suction/injection

Cited by 22 publications

References 19 publications

Numerical Analysis of Heat Transfer of Eyring Powell Fluid Using Double Stratification of Magneto-Hydrodynamic Boundary Layer Flow

Numerical Analysis of Heat Transfer of Eyring Powell Fluid Using Double Stratification of Magneto-Hydrodynamic Boundary Layer Flow

Index, Volume 9, 2018

Chapter 6. Application of the Keller-box Method to More Advanced Problems

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