Unsteady squeezing flow of a radiative Eyring-Powell fluid channel flow with chemical reactions

Adesanya, Samuel O.; Ogunseye, Hammed Abiodun; Jangili, Srinivas

doi:10.1016/j.ijthermalsci.2017.12.013

Cited by 44 publications

(15 citation statements)

References 36 publications

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“…The system of nonlinear coupled differential equations (10)(11)(12)(13)(14) is reduced to a system of linear differential equations using the successive linearization method (SLM). 35 The resulting system of linearized ordinary differential equations is solved by the Chebyshev pseudo-spectral method.…”

Section: Methods Of Solutionmentioning

confidence: 99%

“…are unknown functions and η ( ) k  ≤ ≤ k r (0 ( − 1)) are approximations from the previous iterations. Substituting Equation (17) in the governing equations (10)(11)(12)(13)(14) and retaining the linear terms of η ( ) r  , we get the following system of ordinary differential equations.…”

Section: Methods Of Solutionmentioning

confidence: 99%

“…Gupta and Gupta identified that the unsteady squeezing channel flow problem could be simplified to the remarkable extent through similarity transformation in the case that the parallel plates are kept at a distance, which varies as the square root of a linear function of time. The unsteady squeezing flow problems were investigated by several researchers, eg, Verma, Singh et al, Hamza, Duwairi et al, Mustafa et al, Umar Khan and coworkers, Khan et al, Mohyud‐Din et al, Adnan et al, Adesanya et al, Saba et al, Khan et al, and Sultan et al with consideration of various physical properties and computational techniques.…”

Section: Introductionmentioning

confidence: 99%

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Bioconvection in a squeezing flow of a micropolar fluid in a horizontal channel

Srinivasacharya

Sreenath

2019

Heat Trans. Asian Res.

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The bioconvection flow of an incompressible micropolar fluid containing microorganisms between two infinite stretchable parallel plates is considered. A mathematical model, with a fully coupled nonlinear system of equations describing the total mass, momentum, thermal energy, mass diffusion, and microorganisms is presented. The governing equations are reduced to a set of nonlinear ordinary differential equations with the help of suitable transformations. The resulting nonlinear ordinary differential equations are linearized using successive linearization method, and the resulting system of linear equations is solved using the Chebyshev collocation method. The detailed analysis illustrating the influences of various physical parameters, such as the micropolar coupling number, squeezing parameter, the bioconvection Schmidt number, Prandtl numbers, Lewis number, and bioconvection Peclet number on the velocity, microrotation, temperature, concentration and motile microorganism distributions, skin friction coefficient, Nusselt number, Sherwood number, and density number of motile microorganism, is examined. The influence of the squeezing parameter is to increase the dimensionless velocities and temperature and to decrease the local Nusselt number and local Sherwood number. The density number of motile microorganism is decreasing with squeezing parameter, bioconvection Lewis number, bioconvection Peclet number, and bioconvection Schmidt number.

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Section: Methods Of Solutionmentioning

confidence: 99%

Section: Methods Of Solutionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Bioconvection in a squeezing flow of a micropolar fluid in a horizontal channel

Srinivasacharya

Sreenath

2019

Heat Trans. Asian Res.

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“…Destructive and constructive chemical reactions are incorporated to elaborate the behaviour of mass transfer. The constitutive governing equations for the flow after boundary layer approximations are 21 ∂u ∂x…”

Section: Mathematical Modellingmentioning

confidence: 99%

Description of stratification phenomena in the fluid reservoirs with first-order chemical reaction

Jabeen

Farooq

Mir

2019

Advances in Mechanical Engineering

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In real life applications, summer and winter stratifications prevent the fluid from mixing. This phenomenon has great impact on the phytoplankton (algae) populations, fisheries management and water supply quality, deficiency of dissolved oxygen in the lower region of ponds, lakes and rivers. Thus, our main moto in this article is to highlight the features of mixed convection in Powell-Eyring fluid deformed by an inclined stretchable sheet. Characteristics of heat transfer are exposed via thermal stratification. The solutal stratification and chemical reaction of first order are accounted to elaborate the nature of mass transfer. The coupled non-linear equations with ordinary derivatives are acquired after utilizing suitable transformation. The homotopic approach is adopted to accomplish the convergent series solution. Analysis of various emerging parameters on the fluid's temperature, velocity and concentration fields is elaborated through graphs. Surface drag, Sherwood and Nusselt numbers are studied through graphical data corresponding to numerous parameters. In conclusion, dominant solutal and thermal stratified parameters are responsible for reduction of concentration and temperature fields, respectively, which enables us to prevent the formation of fluid layers with different density regions.

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“…Hayat et al 23 have studied the stagnation‐point flow of Powell‐Eyring fluid in the presence of solar radiation and chemical reaction impacts. Adesanya et al 24 have reported the unsteady squeezing flow of Eyring‐Powell fluid in a microchannel using the method named as Adomian decomposition. Abbas et al 25 have analyzed the MHD Powel‐Eyring fluid flow in a channel having a curved shape with Cattaneo‐Christov impacts.…”

Section: Introductionmentioning

confidence: 99%

Magnetohydrodynamics Eyring‐Powell fluid in a vertical porous microchannel with convective boundary condition subjected to entropy generation

Gireesha

Roja

2020

Heat Trans

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This investigation is concentrated on the second law analysis of a magnetohydrodynamics Eyring‐Powell fluid in a vertical microporous channel with the convective boundary conditions under the impacts of heat generation, viscous dissipation, exponential space, temperature dependence, and Joule heating. The reduced form of the governing equations is obtained with the aid of applying nondimensional variables and is resolved using Runge‐Kutta‐Fehlberg's fourth fifth‐order method. The various relevant parameters that affect the heat transfer and entropy have been discussed in detail through graphs. It is found that the impacts of suction/injection, viscous dissipation, and convective conditions are important and the thermal performance can be improved with these factors. The generation of entropy boosts up with the impacts of radiation, space/temperature‐dependent, and Biot number and slows down with Eyring‐Powel parameters. Furthermore, the heat transfer rate amplifies with the magnetic number and the drag force intensifies with the Brinkman parameters. The comparison of results has been performed and it provides an excellent agreement.

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Unsteady squeezing flow of a radiative Eyring-Powell fluid channel flow with chemical reactions

Cited by 44 publications

References 36 publications

Bioconvection in a squeezing flow of a micropolar fluid in a horizontal channel

Bioconvection in a squeezing flow of a micropolar fluid in a horizontal channel

Description of stratification phenomena in the fluid reservoirs with first-order chemical reaction

Magnetohydrodynamics Eyring‐Powell fluid in a vertical porous microchannel with convective boundary condition subjected to entropy generation

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