Michael O. Oni
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View article: Transient free convection in a vertical channel with third-kind thermal boundary conditions: A semi-analytical study
Transient free convection in a vertical channel with third-kind thermal boundary conditions: A semi-analytical study Open
This study presents a semi-analytical investigation of transient free convection flow of a viscous, incompressible fluid within a vertical channel subjected to third-kind thermal boundary conditions. These boundary conditions, representing…
View article: Interplay of steady/unsteady Jeffrey EMHD nanofluid flow formation in a vertical channel with induced magnetic field
Interplay of steady/unsteady Jeffrey EMHD nanofluid flow formation in a vertical channel with induced magnetic field Open
This study explores the electro-magneto-hydrodynamic (EMHD) flow, heat and mass transfer of a Jeffrey nanofluid between two horizontal plates under the combined influence of electroosmotic flow (EOF), velocity slip, and an induced magnetic…
View article: Start-off MHD electrokinetic Couette flow in an annulus: A Riemann-sum approximation approach
Start-off MHD electrokinetic Couette flow in an annulus: A Riemann-sum approximation approach Open
The time dependent Couette flow of an electrically conducting fluid in a horizontal annulus in the presence of electric potential and accelerated motion of the outer cylinder is investigated. The governing electric field potential as well …
View article: Influence of Radially Varying Magnetic Fields and Heat Sources/Sinks on MHD Free-Convection Flow Within a Vertical Concentric Annulus
Influence of Radially Varying Magnetic Fields and Heat Sources/Sinks on MHD Free-Convection Flow Within a Vertical Concentric Annulus Open
In this study, an exact solution is developed to elucidate the effects of radially varying temperature-dependent heat sources/sinks (RVTDHS) and magnetic fields on natural convection flow between two vertically oriented concentric cylinder…
View article: Role of suction/injection on electromagnetohydrodynamics natural convection flow in a porous microchannel with electroosmotic effect
Role of suction/injection on electromagnetohydrodynamics natural convection flow in a porous microchannel with electroosmotic effect Open
This paper examined the role of suction/injection on time-dependent electromagnetohydrodynamics (EMHD) natural (free) convection flow in a vertical microchannel with electroosmotic effect. With the aid of Laplace transformation method, the…
View article: Significance of Heat Source/Sink on Electromagnetohydrodynamics Natural Convection Flow with Electroosmotic Effect
Significance of Heat Source/Sink on Electromagnetohydrodynamics Natural Convection Flow with Electroosmotic Effect Open
This work carried out a study on the role of heat source/sink on transient electromagnetohydrodynamics (EMHD) free (natural) convection flow in a vertical micro-channel with electroosmotic effect. The governing energy and momentum equation…
View article: Joule Heating and Viscous Dissipation on Electromagnetohydrodynamic Flow with Electroosmotic Effect in a Porous Microchannel
Joule Heating and Viscous Dissipation on Electromagnetohydrodynamic Flow with Electroosmotic Effect in a Porous Microchannel Open
This work investigates the effect of Joule heating and viscous dissipation due to electric double layer (EDL) and electroosmotic effect on steady fully developed electromagnetohydrodynamic flow in a porous microchannel. Dimensionless formu…
View article: Unsteady Generalized Couette Flow in a Horizontal Channel with Sudden Application or Removal of a Porous Material
Unsteady Generalized Couette Flow in a Horizontal Channel with Sudden Application or Removal of a Porous Material Open
The role of sudden application or removal of a porous material on generalized Couette flow in a horizontal channel is carried out. The governing momentum equation is obtained and solved with the necessary initial and boundary conditions. T…
View article: Analysis of Transient Buoyancy/Electroosmotic Driven Flow in a Vertical Microannulus with Velocity-Slip and Temperature-Jump
Analysis of Transient Buoyancy/Electroosmotic Driven Flow in a Vertical Microannulus with Velocity-Slip and Temperature-Jump Open
This article investigates the impact of electric body force on transient natural convection flow in a vertical microannulus with velocity slip and temperature jump. The governing momentum, energy, and Poisson-Boltzmann equations are presen…
View article: Exact solution of unsteady MHD free convective flow with constant heat flux: revisited
Exact solution of unsteady MHD free convective flow with constant heat flux: revisited Open
A solution of unstable MHD free convective flow of an incompressible, viscous and electrically steering fluid created by spontaneous motion of vertical plate subjected to constant heat fluctuation offered by Sacheti et al. has been revisit…
View article: Analysis of Transient Natural Convective Flow of a Nanofluid in a Vertical Tube
Analysis of Transient Natural Convective Flow of a Nanofluid in a Vertical Tube Open
An analysis into the transient natural convective flow of a nanofluid in a vertical tube is made. The governing equations of momentum, heat transfer and nanoparticle volume fraction are deduced, and the influence of the thermophoresis para…
View article: Exact solution of unsteady MHD free convective flow with constant heat flux: revisited
Exact solution of unsteady MHD free convective flow with constant heat flux: revisited Open
A solution of unstable MHD free convective flow of an incompressible, viscous and electrically steering fluid created by spontaneous motion of vertical plate subjected to constant heat fluctuation offered by Sacheti et al. has been revisit…
View article: Impact of Space-Dependent Thermal Conductivity on Heat Transfer in a Vertical Annulus with Asymmetric Surface Heating
Impact of Space-Dependent Thermal Conductivity on Heat Transfer in a Vertical Annulus with Asymmetric Surface Heating Open
This technical brief investigates the impact of space dependent thermal conductivity on temperature distributions and rate of heat transfer of some fluids in a porous annulus. The heat transport equation is derived with a linear thermal co…
View article: Role of Sudden Application or Withdrawal of Magnetic Field on MHD Couette Flow
Role of Sudden Application or Withdrawal of Magnetic Field on MHD Couette Flow Open
This article investigates the impact of a sudden application or sudden withdrawal of a magnetic field on an unsteady MHD Couette flow formation in a parallel plate channel. The governing momentum equation is derived and solved exactly in L…
View article: Theoretical analysis of transient natural convection flow in a vertical microchannel with electrokinetic effect
Theoretical analysis of transient natural convection flow in a vertical microchannel with electrokinetic effect Open
In this article, a theoretical analysis is carried out to understand the role of electrokinetic effect on transient natural convection flow in a vertical microchannel. By incorporating the electrokinetic body force and the natural convecti…
View article: Natural convection flow in a vertical annulus with time-periodic thermal boundary conditions
Natural convection flow in a vertical annulus with time-periodic thermal boundary conditions Open
This paper presents an analytical solution for natural convection flow in a vertical annulus due to time-periodic heating of annulus surfaces. Closed-form expressions for velocity, temperature, skin-friction, mass flow rate and rate of hea…
View article: Heat Generation/Absorption Effect on Natural Convection Flow in a Vertical Annulus with Time-Periodic Boundary Conditions
Heat Generation/Absorption Effect on Natural Convection Flow in a Vertical Annulus with Time-Periodic Boundary Conditions Open
The role of heat generation/absorption on natural convection flow formation in a vertical annulus with prescribed time-periodic heating is investigated in this article. The governing continuity, momentum and energy equations are converted …
View article: Entropy generation under the influence of radial magnetic field and viscous dissipation of generalized Couette flow in an annulus
Entropy generation under the influence of radial magnetic field and viscous dissipation of generalized Couette flow in an annulus Open
This paper investigates the combined effect of radial magnetic field and viscous dissipation on entropy generation in horizontal co-axial cylinders of generalized Couette flow. The analytical solutions for velocity and temperature profiles…
View article: Unsteady hydromagnetic-free convection flow with suction/injection
Unsteady hydromagnetic-free convection flow with suction/injection Open
This article analyses the unsteady hydromagnetic free convection flow near impulsive as well as accelerated motion of the infinite vertical porous plate. The governing momentum and energy partial differential equations exhibiting the physi…
View article: Mathematical modelling of combined pressure driven and electrokinetic effect in a channel with induced magnetic field: An exact solution
Mathematical modelling of combined pressure driven and electrokinetic effect in a channel with induced magnetic field: An exact solution Open
This article presents exact solution for pressure driven flow formation of electrically conducting fluid in a parallel plate channel formed by two horizontal parallel plates with electrokinetic effects and induced magnetic field. Using the…
View article: Electromagnetic natural convection flow in a vertical microchannel with Joule heating: exact solution
Electromagnetic natural convection flow in a vertical microchannel with Joule heating: exact solution Open
This article explores the combined role of Joule heating and transversely applied magnetic field on natural convection flow in a vertical microchannel with asymmetric wall heating. The governing momentum and energy equations are obtained a…
View article: Mixed convection flow in a vertical channel with temperature dependent viscosity and flow reversal: An exact solution
Mixed convection flow in a vertical channel with temperature dependent viscosity and flow reversal: An exact solution Open
An exact solution of steady fully developed mixed convection flow of viscous, incompressible fluid in a vertical channel having temperature dependent viscosity with asymmetric wall heating is obtained in this article.The Reynold model is u…
View article: Unsteady couette flow in an annulus with combined mode of magnetic field application: A generalization
Unsteady couette flow in an annulus with combined mode of magnetic field application: A generalization Open
This study generalizes the role of transversely and radially applied magnetic field on flow formation in an annulus.The flow is assumed to be fully developed and driven by the movement of the cylinders.The governing momentum equation is de…
View article: Impact of mode of application of magnetic field on rate of heat transfer of rarefied gas flows in a microtube
Impact of mode of application of magnetic field on rate of heat transfer of rarefied gas flows in a microtube Open
This paper examines theoretically the impact of transverse and radial mode of application of magnetic field on rate of heat transfer of rarefied gas in a micro tube. The momentum and energy governing equations are solved analytically with …