期刊
COMBINATORIAL CHEMISTRY & HIGH THROUGHPUT SCREENING
卷 25, 期 14, 页码 2485-2497出版社
BENTHAM SCIENCE PUBL LTD
DOI: 10.2174/1386207324666210903144447
关键词
Forchheimer medium; viscous dissipation; stretching surface; nanofluid; cattaneo-christov model; oHAM
In this article, the Optimal Homotopy Analysis Method (oHAM) is used to investigate the features of the Cattaneo-Christov model in the flow of viscous and chemically reactive nanofluid through a porous medium. The results show that the introduction of the Darcy medium leads to an enhancement of skin friction, and the relaxation time parameter enhances the temperature distribution. Thermal radiation also enhances the temperature distribution and skin friction.
Introduction: In this article, Optimal Homotopy Analysis Method (oHAM) is used for the exploration of the features of the Cattaneo-Christov model in viscous and chemically reactive nanofluid flow through a porous medium with stretching velocity at the solid/sheet surface and free stream velocity at the free surface. Methods: The two important aspects, Brownian motion and Thermophoresis, are considered. Thermal radiation is also included in the present model. Based on the heat and mass flux, the Cattaneo-Christov model is implemented on the Temperature and Concentration distributions. The governing Partial Differential Equations (PDEs) are converted into Ordinary Differential Equations (ODEs) using similarity transformations. The results are achieved using the optimal homotopy analysis method (oHAM). The optimal convergence and residual errors have been calculated to preserve the validity of the model. Results: The results are plotted graphically to see the variations in three main profiles. i.e. momentum, temperature and concentration profile. Conclusion: The outcomes indicate that skin friction enhances due to the implementation of the Darcy medium. It is also noted that the relaxation time parameter results in enhancement of the temperature distribution. Thermal radiation enhances the temperature distribution and so is the case with skin friction.
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