Dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet – stability analysis

Numerical model of mixed convection boundary layer flow, heat and mass transfer beyond an extending or compressing sheet are developed by Mathematicians in the field of Applied Mathematics Fluid Dynamics. Most of the numerical results can be used as a comparison with the results by experimental work...

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Main Authors: Parvin, Shahanaz, Mohamed Isa, Siti Suzilliana Putri, Md. Arifin, Norihan, Md Ali, Fadzilah
格式: 文件
语言:English
出版: Akademia Baru 2020
在线阅读:http://psasir.upm.edu.my/id/eprint/88533/1/ABSTRACT.pdf
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author Parvin, Shahanaz
Mohamed Isa, Siti Suzilliana Putri
Md. Arifin, Norihan
Md Ali, Fadzilah
author_facet Parvin, Shahanaz
Mohamed Isa, Siti Suzilliana Putri
Md. Arifin, Norihan
Md Ali, Fadzilah
author_sort Parvin, Shahanaz
collection UPM
description Numerical model of mixed convection boundary layer flow, heat and mass transfer beyond an extending or compressing sheet are developed by Mathematicians in the field of Applied Mathematics Fluid Dynamics. Most of the numerical results can be used as a comparison with the results by experimental works. In the numerical model of mixed convection with extending and compressing sheet, there is high possibility to achieve dual solutions. One of the solutions is stable, reliable and really occur in actual fluid mechanism. Meanwhile, another solution is unstable, unreliable and rejected. According to this statement, the dual numerical solutions of mixed convection Casson fluid flow, which is subjected to the rate of extending and compressing sheet is reported in this paper. The extending rate is denoted as positive values, otherwise it is declared as compression of the sheet. The usage of similarity variables is to perform the conversion from partial differential equations (PDE) to ordinary differential equations (ODE). The PDE are formed from the equations of momentum, energy and concentration. Finally, ODE are solved numerically by bvp4c program in Matlab software. Stability analysis is performed to deal with dual numerical solutions, which select the most stable solution and physically reliable. The numerical results of velocity, temperature and concentration are presented, subjected to the governed parameters in the modelled problem. As a conclusion, the variations of velocity, temperature and concentration against boundary layer thickness are fully affected by compressing and extending parameters.
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spelling upm.eprints-885332021-12-22T08:48:29Z http://psasir.upm.edu.my/id/eprint/88533/ Dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet – stability analysis Parvin, Shahanaz Mohamed Isa, Siti Suzilliana Putri Md. Arifin, Norihan Md Ali, Fadzilah Numerical model of mixed convection boundary layer flow, heat and mass transfer beyond an extending or compressing sheet are developed by Mathematicians in the field of Applied Mathematics Fluid Dynamics. Most of the numerical results can be used as a comparison with the results by experimental works. In the numerical model of mixed convection with extending and compressing sheet, there is high possibility to achieve dual solutions. One of the solutions is stable, reliable and really occur in actual fluid mechanism. Meanwhile, another solution is unstable, unreliable and rejected. According to this statement, the dual numerical solutions of mixed convection Casson fluid flow, which is subjected to the rate of extending and compressing sheet is reported in this paper. The extending rate is denoted as positive values, otherwise it is declared as compression of the sheet. The usage of similarity variables is to perform the conversion from partial differential equations (PDE) to ordinary differential equations (ODE). The PDE are formed from the equations of momentum, energy and concentration. Finally, ODE are solved numerically by bvp4c program in Matlab software. Stability analysis is performed to deal with dual numerical solutions, which select the most stable solution and physically reliable. The numerical results of velocity, temperature and concentration are presented, subjected to the governed parameters in the modelled problem. As a conclusion, the variations of velocity, temperature and concentration against boundary layer thickness are fully affected by compressing and extending parameters. Akademia Baru 2020 Article PeerReviewed text en http://psasir.upm.edu.my/id/eprint/88533/1/ABSTRACT.pdf Parvin, Shahanaz and Mohamed Isa, Siti Suzilliana Putri and Md. Arifin, Norihan and Md Ali, Fadzilah (2020) Dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet – stability analysis. CFD Letters, 12 (8). 76 - 84. ISSN 2180-1363 https://akademiabaru.com/submit/index.php/cfdl/article/view/3279 10.37934/cfdl.12.8.7684
spellingShingle Parvin, Shahanaz
Mohamed Isa, Siti Suzilliana Putri
Md. Arifin, Norihan
Md Ali, Fadzilah
Dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet – stability analysis
title Dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet – stability analysis
title_full Dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet – stability analysis
title_fullStr Dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet – stability analysis
title_full_unstemmed Dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet – stability analysis
title_short Dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet – stability analysis
title_sort dual numerical solutions on mixed convection casson fluid flow due to the effect of the rate of extending and compressing sheet stability analysis
url http://psasir.upm.edu.my/id/eprint/88533/1/ABSTRACT.pdf
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