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In this study, boundary layer flow of a Tangent hyperbolic nanofluid (THNF) over a stretching sheet in presence of magnetic field is numerically investigated. The fluid is considered incompressible, with thermophoresis and Brownian diffusion effects included. Dimensional governing equations for fluid are transformed into dimensionless ordinary differential equations using appropriate similarity transformations. These equations are then solved using the finite difference method via MATLAB's bvp4c routine. The study examines the impact of various flow parameters on velocity, temperature, nanoparticle concentration, illustrated through graphs. Furthermore, local skin friction and Nusselt number are computed and analysed graphically. It is found that both the Weissenberg \((W{e}^{*})\) and Hartmann \((M)\) number reduce fluid motion. Moreover, increase in the heat transfer rate results from an increase in the convective Biot number value whereas an opposite relation is observed with Hartmann number (M) and Weissenberg number ( \(W{e}^{*}\) ).

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Heat Transfer in Tangent Hyperbolic Nanofluid Flow Over a Stretching Sheet with Convective Boundary

  • 会议论文

  • 发表日期：

    2025年

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  • Ankita Bisht,
  • Rajesh Sharma

摘要

In this study, boundary layer flow of a Tangent hyperbolic nanofluid (THNF) over a stretching sheet in presence of magnetic field is numerically investigated. The fluid is considered incompressible, with thermophoresis and Brownian diffusion effects included. Dimensional governing equations for fluid are transformed into dimensionless ordinary differential equations using appropriate similarity transformations. These equations are then solved using the finite difference method via MATLAB's bvp4c routine. The study examines the impact of various flow parameters on velocity, temperature, nanoparticle concentration, illustrated through graphs. Furthermore, local skin friction and Nusselt number are computed and analysed graphically. It is found that both the Weissenberg \((W{e}^{*})\) and Hartmann \((M)\) number reduce fluid motion. Moreover, increase in the heat transfer rate results from an increase in the convective Biot number value whereas an opposite relation is observed with Hartmann number (M) and Weissenberg number ( \(W{e}^{*}\) ).