Unsteady hydromagnetic natural convection flow with heat and mass transfer of an electrically conducting, viscous, incompressible, chemically reacting absorbing fluid past accelerated moving vertical plate ramped temperature surface concentration through a porous medium in the presence thermal diffusions is studied. The exact solutions momentum, energy equations, under Boussinesq approximation, are obtained closed form by Laplace Transform technique. expressions for skin friction, Nusselt...

In this communication, the joint impacts of process melting as well wedge angle entity on hydromagnetic hyperbolic tangent nanofluid flow owing to permeable wedge-shaped surface in incidence suspended nanoparticles along with radiation, Soret and Dufour numbers are scrutinized. The mathematical model which represents system consists a highly non-linear coupled partial differential equations. These equations solved using finite-difference-based MATLAB solver implements Lobatto IIIa...

An investigation of the effects Hall current and rotation on unsteady hydromagnetic natural convection flow with heat mass transfer an electrically conducting, viscous, incompressible optically thick radiating fluid past impulsively moving vertical plate embedded in a saturated porous medium, when temperature has temporarily ramped profile, is carried out. Exact solution governing equations obtained closed form by Laplace transform technique. also case unit Schmidt number. Expressions for...

Abstract Combined free and forced convection Couette-Hartmann flow of a viscous, incompressible electrically conducting fluid in rotating channel with arbitrary walls the presence Hall current is investigated. Boundary conditions for magnetic field expressions shear stresses at mass rate are derived. Asymptotic analysis solution large values rotation parameters performed to highlight nature modified Ekmann Hartmann boundary layers. Numerical non-linear energy equation heat transfer computed...

Abstract An investigation of unsteady hydromagnetic natural convection heat and mass transfer flow an electrically conducting, viscous, incompressible optically thick radiating fluid past impulsively moving infinite vertical plate embedded in a uniform porous medium rotating system with Hall effects the presence homogeneous first order chemical reaction is carried out when temperature has temporarily ramped profile. Exact solution governing equations obtained closed form by Laplace transform...

An investigation is carried out to capture the influence of melting process and permeability medium on hydromagnetic wedge flow a Casson nanofluid. The effects thermophoresis Brownian motion are also taken into consideration. coupled nonlinear partial differential equations that govern nanofluid reduced non-linear ordinary by employing similarity transformation. Thereafter, numerical solution resulting boundary value problem obtained using fourth-order accurate collocation based solver in...

This paper analyzes the moisture accumulation and increase in effective thermal conductivity of a fibrous insulation slab due to migration. The problem is modeled as transient, multiphase flow, with variable properties, porous impermeable, adiabatic horizontal boundaries permeable vertical boundaries, A detailed investigation interaction between condensation rate, temperature, liquid content, vapor density fields presented. influences different humidity levels at are investigated detail...

An investigation of unsteady hydromagnetic natural convection heat and mass trans fer flow with Hall current a viscous, incompressible, electrically conducting, absorbing optically thin radiating fluid past an accelerated moving vertical plate through saturated porous medium in rotating environment is carried out when temperature the has temporarily ramped profile.The exact solutions momentum, energy concentration equations are obtained closed form by Laplace transform technique.The...

An investigation of the unsteady hydromagnetic natural convection flow a viscous, incompressible, electrically conducting, and heat-absorbing fluid past an infinite vertical plate through fluid-saturated porous medium with time-dependent free stream in rotating system Hall effects is carried out. exact solution governing equations obtained using Laplace transform technique. Two cases interest are discussed, viz, (1) impulsive movement (2) accelerated stream. Expressions for shear stresses at...

An investigation of unsteady hydromagnetic natural convection flow a viscous, incompressible, electrically conducting and heat absorbing fluid past an impulsively moving vertical plate with Newtonian heating embedded in porous medium rotating system is carried out. The governing partial differential equations are first subjected to Laplace transformation then inverted numerically using INVLAP routine Matlab. also solved by Crank-Nicolson implicit finite difference scheme comparison has been...

An investigation of inclined magnetic field on unsteady natural convection heat and mass transfer flow past an oscillating slanted plate embedded in a homogeneous permeable medium with destructive chemical reaction thermal radiation under time-varying fluid temperature species concentration is carried out. Exact solutions to the equations governing are obtained closed form utilizing Laplace transform technique. The values velocity, temperature, presented graphically, while skin friction,...

A numerical investigation of unsteady hydromagnetic natural convection flow a viscous, incompressible, electrically conducting and heat absorbing fluid past an impulsively moving vertical plate with ramped temperature embedded in porous medium the presence thermal diffusion is carried out.The governing equations are solved numerically by Crank-Nicolson implicit finite difference scheme.The solution for velocity depicted graphically whereas values skin friction Nusselt number presented...

Abstract A novel investigation is carried out to capture the transient effects of a dual phase‐lag (DPL) model for combined heat and mass transfer magnetohydrodynamic (MHD) flow within porous microchannel in presence Dufour homogenous first‐order chemical reaction. The governing equations fluid problem are solved using Laplace transform method, which powerful technique solving partial differential equations. Its inversion done by INVLAP subroutine MATLAB. numerical values velocity,...

Abstract An exact analysis of a radiative hydromagnetic flow behavior over tilted parabolic plate through permeable medium along with variable species concentration and fluid temperature in the presence slanted magnetic field parameter, chemical reaction, heat generation has been carried out this study. Closed‐form analytical benchmark solutions for flow‐governing equations are obtained by using Laplace transform method. Thereafter, incidences different important physical entities on...

We have analysed unsteady Magnetohydrodynamic (MHD) 3-D rotating flow of Carbon Nanotube (CNT) water nanofluid past a stretching surface dealing with thermal radiation mechanism heat transfer and source/sink. The mathematical model consists system non-linear coupled Partial Differential Equations (PDEs). Numerical solution is obtained discussed in detail. influence dominant parameters on the temperature profiles flow-field are also detail using tables graphs. Results justified by previously...

Effects of Hall current on unsteady MHD natural convection flow a viscous, incompressible, electrically conducting and heat absorbing fluid past an impulsively moving vertical plate with ramped wall temperature in porous medium, the presence thermal diffusion, is studied. The exact solution momentum energy equations, under Boussinesq approximation, obtained closed form by Laplace transform technique for both isothermal plates. Solution also case unit Prandtl number expressions skin friction...

Unsteady hydromagnetic natural convection flow of an electrically conducting, viscous, and incompressible fluid past accelerated moving vertical flat plate with ramped temperature through a porous medium in the presence radiation thermal diffusion is studied. The exact solutions momentum energy equations, under Boussinesq Rosseland approximations, are obtained closed form by Laplace transform technique. expressions for skin friction Nusselt number also derived. numerical values velocity...

A semi-analytical investigation has been carried out to analyze unsteady MHD second-grade flow under the Dual-Phase-Lag (DPL) heat and mass transfer model in a vertical microchannel filled with porous material. Diffusion thermo (Dufour) effects homogenous chemical reaction are considered as well. The governing partial differential equations solved by using Laplace transform method while its inversion is done numerically INVLAP subroutine of MATLAB. numerical values fluid velocity,...

An investigation on an unsteady MHD natural convection flow with radiative heat transfer of a viscous, incompressible, electrically conducting and optically thick fluid past impulsively moving vertical plate ramped temperature in porous medium the presence Hall current thermal diffusion is carried out. exact solution momentum energy equations, under Boussinesq Rosseland approximations, obtained closed form by Laplace transform technique for both isothermal plates. Expressions skin friction...

Investigation of unsteady MHD natural convection flow through a fluid-saturated porous medium viscous, incompressible, electrically-conducting and optically-thin radiating fluid past an impulsively moving semi-infinite vertical plate with convective surface boundary condition is carried out. With the aim to replicate practical situations, heat transfer thermal expansion coefficients are chosen be constant new set non-dimensional quantities parameters introduced represent governing equations...