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<p>In this study, we have focused on examining the steady boundary layer motion of a nanofluid characterized by tangent hyperbolic properties as it flows over a vertically stretching surface embedded in a porous medium. The analysis incorporates the effects of velocity and thermal slip, thermal radiation, heat generation/absorption, and chemical reactions. The sheet is assumed to be permeable, allowing for suction or injection, thereby influencing the boundary layer development. This work aims to deepen the understanding of heat and mass transfer mechanisms in non-Newtonian nanofluids, with relevance to several engineering applications. To achieve this, the governing partial differential equations were formulated using boundary layer theory and transformed into a dimensionless form via similarity transformations. The resulting system of nonlinear ordinary differential equations was solved using the <b>bvp4c</b> solver in MATLAB. Key parameters—including the Weissenberg number, slip coefficients, magnetic field strength, radiation, and reaction rate—were varied to assess their effects. Results, presented graphically and in tabular form, show that higher slip and suction parameters reduce boundary layer thickness. Increased Weissenberg number enhances temperature and concentration gradients. Comparisons with existing literature confirm the validity and accuracy of the current solutions, offering meaningful insights for nanofluid flow control in applied thermal systems.</p>

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Magnetohydrodynamic flow of hyperbolic tangent fluid in a porous medium in the presence of slip, radiation and heat source effects

  • 期刊论文

  • 发表日期：

    2025年9月2日

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  • Siva Reddy Sheri,
  • Srinivas Reddy Kallem,
  • Alfunsa Prathiba Perli,
  • Shankar Gollapalli

摘要

In this study, we have focused on examining the steady boundary layer motion of a nanofluid characterized by tangent hyperbolic properties as it flows over a vertically stretching surface embedded in a porous medium. The analysis incorporates the effects of velocity and thermal slip, thermal radiation, heat generation/absorption, and chemical reactions. The sheet is assumed to be permeable, allowing for suction or injection, thereby influencing the boundary layer development. This work aims to deepen the understanding of heat and mass transfer mechanisms in non-Newtonian nanofluids, with relevance to several engineering applications. To achieve this, the governing partial differential equations were formulated using boundary layer theory and transformed into a dimensionless form via similarity transformations. The resulting system of nonlinear ordinary differential equations was solved using the bvp4c solver in MATLAB. Key parameters—including the Weissenberg number, slip coefficients, magnetic field strength, radiation, and reaction rate—were varied to assess their effects. Results, presented graphically and in tabular form, show that higher slip and suction parameters reduce boundary layer thickness. Increased Weissenberg number enhances temperature and concentration gradients. Comparisons with existing literature confirm the validity and accuracy of the current solutions, offering meaningful insights for nanofluid flow control in applied thermal systems.