Magnetohydrodynamic micropolar fluid flow in presence of nanoparticles through porous plate: A numerical study

Arifuzzaman, S, Mehedi, M, Al Mamun, A, Biswas, P, Islam, M and Khan, M 2018, 'Magnetohydrodynamic micropolar fluid flow in presence of nanoparticles through porous plate: A numerical study', International Journal of Heat and Technology, vol. 36, no. 3, pp. 936-948.


Document type: Journal Article
Collection: Journal Articles

Title Magnetohydrodynamic micropolar fluid flow in presence of nanoparticles through porous plate: A numerical study
Author(s) Arifuzzaman, S
Mehedi, M
Al Mamun, A
Biswas, P
Islam, M
Khan, M
Year 2018
Journal name International Journal of Heat and Technology
Volume number 36
Issue number 3
Start page 936
End page 948
Total pages 13
Publisher Edizioni E T S
Abstract This study numerically investigates Magnetohydrodynamic (MHD) convective and chemically reactive unsteady micropolar fluid flow with nanoparticles through the vertical porous plate with mass diffusion, thermal radiation, radiation absorption and heat source. A flow model is established by employing the well-known boundary layer approximations. To obtain the non-similar equation, the boundary layer governing equations including continuity, momentum, energy and concentration balance were nondimensionalised by usual transformation. A non-similar approach is applied to the flow model. To optimize the parametric values, the stability and convergence analysis (SCA) have been analysed for the Prandtl number (Pr) and Lewis number (Le). It is observed that with initial boundary conditions, U =V =T = C= 0 and for Delta tau = 0.005, Delta X = 0.20 and Delta Y = 0.25, the system converged at Prandtl number, P-r >= 0.356 and Lewis number, L-e >= 0.16. The coupled non-linear partial differential equations are solved by explicit finite difference method (EFDM) and the numerical results have been calculated by Compaq Visual FORTRAN 6.6a. Evaluation of the thermal and momentum boundary layer thickness with isotherms and streamlines analysis of boundary layer flows have been shown for the thermal radiation parameter (R). The effects of various parameters entering the problem on velocity, angular velocity, temperature and concentration are shown graphically.
Subject Physical Sciences not elsewhere classified
Keyword(s) Chemical reaction
Convergence analysis
Micropolar fluid
Nanoparticles
Radiation absorption
Stability
Thermal radiation
DOI - identifier 10.18280/ijht.360321
Copyright notice © 2018 International Information and Engineering Technology Association. All Rights Reserved.
ISSN 0392-8764
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