Modelling and numerical computation for flow of micropolar fluid towards an exponential curved surface: a Keller box method
Abstract The numerical analysis of MHD boundary layer non-Newtonian micropolar fluid due to an exponentially curved stretching sheet is developed in this study. In the energy equation effects of viscous dissipation are included. For the mathematical description of the governing equations curvilinear...
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2021
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oai:doaj.org-article:8e5c7c61eabb45d89a7a3f888ba1cc882021-12-02T18:50:47ZModelling and numerical computation for flow of micropolar fluid towards an exponential curved surface: a Keller box method10.1038/s41598-021-95859-x2045-2322https://doaj.org/article/8e5c7c61eabb45d89a7a3f888ba1cc882021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95859-xhttps://doaj.org/toc/2045-2322Abstract The numerical analysis of MHD boundary layer non-Newtonian micropolar fluid due to an exponentially curved stretching sheet is developed in this study. In the energy equation effects of viscous dissipation are included. For the mathematical description of the governing equations curvilinear coordinates are used. By utilizing exponential similarity variables, the modelled partial differential equations (PDEs) are reduced into ordinary ones. The resultant non-linear ODEs are numerically solved with two methods shooting and Keller box method. The study reveals that the governing parameters, namely, radius of curvature, material parameter, magnetic parameter, Prandtl number and Eckert number have major effects on the fluid velocity, micro-rotation velocity, surface friction, couple stress and heat transfer rate. The results indicate that the magnetic field diminishes the fluid velocity inside the hydrodynamics boundary layer whereas it enhances the temperature inside the thermal boundary layer. Microrotation profile decreases near the surface, as the magnetic parameter and radius of curvature increases but far away behavior is opposite. The material parameter enhances the velocity and microrotation profile whereas, opposite behaviors is noticed for the temperature distribution. Obtained outcomes are also compared with the existing literature and the comparison shows a good agreement with existing studies.Qiu-Hong ShiTayyaba ShabbirM. MushtaqM. Ijaz KhanZahir ShahPoom KumamNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-13 (2021) |
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Medicine R Science Q Qiu-Hong Shi Tayyaba Shabbir M. Mushtaq M. Ijaz Khan Zahir Shah Poom Kumam Modelling and numerical computation for flow of micropolar fluid towards an exponential curved surface: a Keller box method |
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Abstract The numerical analysis of MHD boundary layer non-Newtonian micropolar fluid due to an exponentially curved stretching sheet is developed in this study. In the energy equation effects of viscous dissipation are included. For the mathematical description of the governing equations curvilinear coordinates are used. By utilizing exponential similarity variables, the modelled partial differential equations (PDEs) are reduced into ordinary ones. The resultant non-linear ODEs are numerically solved with two methods shooting and Keller box method. The study reveals that the governing parameters, namely, radius of curvature, material parameter, magnetic parameter, Prandtl number and Eckert number have major effects on the fluid velocity, micro-rotation velocity, surface friction, couple stress and heat transfer rate. The results indicate that the magnetic field diminishes the fluid velocity inside the hydrodynamics boundary layer whereas it enhances the temperature inside the thermal boundary layer. Microrotation profile decreases near the surface, as the magnetic parameter and radius of curvature increases but far away behavior is opposite. The material parameter enhances the velocity and microrotation profile whereas, opposite behaviors is noticed for the temperature distribution. Obtained outcomes are also compared with the existing literature and the comparison shows a good agreement with existing studies. |
format |
article |
author |
Qiu-Hong Shi Tayyaba Shabbir M. Mushtaq M. Ijaz Khan Zahir Shah Poom Kumam |
author_facet |
Qiu-Hong Shi Tayyaba Shabbir M. Mushtaq M. Ijaz Khan Zahir Shah Poom Kumam |
author_sort |
Qiu-Hong Shi |
title |
Modelling and numerical computation for flow of micropolar fluid towards an exponential curved surface: a Keller box method |
title_short |
Modelling and numerical computation for flow of micropolar fluid towards an exponential curved surface: a Keller box method |
title_full |
Modelling and numerical computation for flow of micropolar fluid towards an exponential curved surface: a Keller box method |
title_fullStr |
Modelling and numerical computation for flow of micropolar fluid towards an exponential curved surface: a Keller box method |
title_full_unstemmed |
Modelling and numerical computation for flow of micropolar fluid towards an exponential curved surface: a Keller box method |
title_sort |
modelling and numerical computation for flow of micropolar fluid towards an exponential curved surface: a keller box method |
publisher |
Nature Portfolio |
publishDate |
2021 |
url |
https://doaj.org/article/8e5c7c61eabb45d89a7a3f888ba1cc88 |
work_keys_str_mv |
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