MHD micropolar fluid flow over a stretching permeable sheet in the presence of thermal radiation and thermal slip flow: a numerical study

Gangadhar, K.; Narayana, K. Lakshmi; Kumar, Pramod; Kumar, B. Rushi

doi:10.1088/1757-899x/263/6/062010

Cited by 4 publications

(4 citation statements)

References 21 publications

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“…The physical geometry of the modeled problem is shown in Figure 1. Furthermore, the governing equations of micropolar fluid [3,38] with suitable boundary conditions are expressed as:…”

Section: Mathematical Modelingmentioning

confidence: 99%

Analysis of Entropy Generation on Magnetohydrodynamic Flow with Mixed Convection through Porous Media

et al. 2022

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Various industrial operations involve frequent heating and cooling of electrical systems. In such circumstances, the development of relevant thermal devices is of extreme importance. During the development of thermal devices, the second law of thermodynamics plays an important role by means of entropy generation. Entropy generation should be reduced significantly for the efficient performance of the devices. The current paper reports an analytical study on micropolar fluid with entropy generation over a stretching surface. The influence of various physical parameters on velocity profile, microrotation profile, and temperature profile is investigated graphically. The impact of thermal radiation, porous medium, magnetic field, and viscous dissipation are also analyzed. Moreover, entropy generation and Bejan number are also illustrated graphically. Furthermore, the governing equations are solved by using HAM and code in MATHEMATICA software. It is concluded from this study that velocity and micro-rotation profile are reduced for higher values of magnetic and vortex viscosity parameter, respectively. For larger values of Eckert number and thermal radiation parameters, Bejan number and entropy generation are increased, respectively. These findings are useful in petroleum industries and engineering designs.

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“…The physical geometry of the modeled problem is shown in Figure 1. Furthermore, the governing equations of micropolar fluid [3,38] with suitable boundary conditions are expressed as:…”

Section: Mathematical Modelingmentioning

confidence: 99%

Analysis of Entropy Generation on Magnetohydrodynamic Flow with Mixed Convection through Porous Media

et al. 2022

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“…An electrically conducting and radiative micropolar flow in collaboration with dissipation and chemical reaction has been addressed by Siva Reddy and Shamshuddin [19]. Some of the recent scientists considered the Stretching sheet models due to micropolar fluid flow [20][21][22][23][24]. Mishra and his co-workers [25][26][27] have investigated in various direction of the flow of micropolar study in a series.…”

Section: Literature Reviewmentioning

confidence: 99%

Thermo-Solutal Chemically Reacting Micropolar Fluid Past a Permeable Stretching Porous Sheet

Shamshuddin

Thumma²,

Mishra

2019

DDF

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The boundary layer flow, heat and mass transfer over a permeable stretching sheet due to a chemically reacting micropolar fluid with slip and convective boundary conditions have been analyzed. Transverse magnetic field clubbed with electric field is also considered for the sake of brevity. Governing nonlinear coupled PDEs are transformed to nonlinear ODEs with the use of suitable similarity transformation. However, analytical solutions to these transformed equations are not useful therefore; numerical solution is carried out using Runge-Kutta fourth order with shooting technique. The characteristics of the embedded parameters are obtained and presented through graphs. Validation of the proposed work with earlier established results are shown in tables and these are in good agreement. From the careful observation the major outcomes are: induced magnetic field decelerates the flow, enhances the thickness of thermal boundary layer temperature whereas applied electric field decelerates the thickness of thermal boundary layer. Both electric field and slip parameter accelerates the angular momentum. Temperature and concentration magnitudes are accelerated at the sheet with an increase of slip parameter. Furthermore, Schmidt number and first order chemical reaction reduces the concentration boundary layer thickness. PACS Number: 05.45-a; 05.70-Ce.

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“…It was profound that the effect of bio-convection Lewis number was to deteriorate the local density number. Gangadhar et al [22] developed a model problem for the flow of micropolar fluid over an extending surface. The slip conditions were also taken into account in the flow.…”

Section: Introductionmentioning

confidence: 99%

Numerical Study of Lorentz Force Interaction with Micro Structure in Channel Flow

et al. 2021

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The heat transfer Magnetohydrodynamics flows have been potentially used to enhance the thermal characteristics of several systems such as heat exchangers, electromagnetic casting, adjusting blood flow, X-rays, magnetic drug treatment, cooling of nuclear reactors, and magnetic devices for cell separation. Our concern in this article is to numerically investigate the flow of an incompressible Magnetohydrodynamics micropolar fluid with heat transportation through a channel having porous walls. By employing the suitable dimensionless coordinates, the flow model equations are converted into a nonlinear system of dimensionless ordinary differential equations, which are then numerically treated for different preeminent parameters with the help of quasi-linearization. The system of complex nonlinear differential equations can efficiently be solved using this technique. Impact of the problem parameters for microrotation, temperature, and velocity are interpreted and discussed through tables and graphs. The present numerical results are compared with those presented in previous literature and examined to be in good contact with them. It has been noted that the imposed magnetic field acts as a frictional force which not only increases the shear stresses and heat transfer rates at the channel walls, but also tends to rotate the micro particles in the fluid more rapidly. Furthermore, viscous dissipation may raise fluid temperature to such a level that the possibility of thermal reversal exists, at the geometric boundaries of the domain. It is therefore recommended that external magnetic fields and viscous dissipation effects may be considered with caution in applications where thermal control is required.

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MHD micropolar fluid flow over a stretching permeable sheet in the presence of thermal radiation and thermal slip flow: a numerical study

Cited by 4 publications

References 21 publications

Analysis of Entropy Generation on Magnetohydrodynamic Flow with Mixed Convection through Porous Media

Analysis of Entropy Generation on Magnetohydrodynamic Flow with Mixed Convection through Porous Media

Thermo-Solutal Chemically Reacting Micropolar Fluid Past a Permeable Stretching Porous Sheet

Numerical Study of Lorentz Force Interaction with Micro Structure in Channel Flow

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