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<p>In this study, the Maxwell nanofluid flow on an extending permeable surface has been investigated. The Cattaneo–Christov model is imposed to work out the heat and mass transport phenomena. Moreover, the influences of magnetic field, porous media, Brownian motion, thermophoresis, chemical reaction and activation energy are considered in this analysis. The leading equations are presented in the form of PDEs which are then reduced into ODEs by means of similarity variables. A numerical approach called bvp4c MATLAB built-in command is used for the numerical investigation. Validation of this analysis is done by comparing the present and previously published results. The obtained results show that both the primary and secondary velocity distributions are decreased due to an increasing Deborah number, magnetic field, and porosity factor. The secondary velocity distribution is grown up due to the ratio factor's direct relationship with the y-directional velocity stretching constant, while the primary velocity distribution is decreased due to the ratio factor's inverse relationship with the x-directional velocity stretching constant. The higher thermophoresis and thermal relaxation time factors have decreased the heat transfer rate, whereas the grater thermal Biot number and Brownian motion factor have boosted it. The mass transfer rate is decreased by the bigger thermophoresis and mass relaxation time factors, but boosted by the grater mass Biot number and Brownian motion factor.</p>

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A numerical analysis of three-dimensional MHD convective flow of Maxwell nanofluids over an extending surface with Cattaneo–Christov heat and mass flux

  • 期刊论文

  • 发表日期：

    2025年2月19日

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  • Ebrahem A. Algehyne,
  • Fahad Maqbul Alamrani,
  • Izharul Haq,
  • M. M. Seada,
  • Showkat Ahmad Lone,
  • Anwar Saeed

摘要

In this study, the Maxwell nanofluid flow on an extending permeable surface has been investigated. The Cattaneo–Christov model is imposed to work out the heat and mass transport phenomena. Moreover, the influences of magnetic field, porous media, Brownian motion, thermophoresis, chemical reaction and activation energy are considered in this analysis. The leading equations are presented in the form of PDEs which are then reduced into ODEs by means of similarity variables. A numerical approach called bvp4c MATLAB built-in command is used for the numerical investigation. Validation of this analysis is done by comparing the present and previously published results. The obtained results show that both the primary and secondary velocity distributions are decreased due to an increasing Deborah number, magnetic field, and porosity factor. The secondary velocity distribution is grown up due to the ratio factor's direct relationship with the y-directional velocity stretching constant, while the primary velocity distribution is decreased due to the ratio factor's inverse relationship with the x-directional velocity stretching constant. The higher thermophoresis and thermal relaxation time factors have decreased the heat transfer rate, whereas the grater thermal Biot number and Brownian motion factor have boosted it. The mass transfer rate is decreased by the bigger thermophoresis and mass relaxation time factors, but boosted by the grater mass Biot number and Brownian motion factor.