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<p>Non-Newtonian fluids are widely used across many industrial and engineering applications because of their viscosity changes with applied stress or shear rate. Micropolar fluid is one of the non-Newtonian fluids, which has several applications. Our research focuses on the numerical simulations to examine the effects of heat transfer and non-Newtonian fluid flow along a curved surface. In particular, the properties of the exponential space-dependent source are the main emphasis of this paper. The effects of linear radiation and velocity slip are also taken into account in this approach. These combined effects play a critical role in thin-film coating, polymer extrusion, and microscale thermal systems, where exact control over nonuniform heating, rotating effects, and slide behavior is necessary for optimal performance. The governing equations that represent the flow is a set of partial differential equations which are simplified to ordinary differential equations by applying similarity transformations. We compute a solution to the given mathematical model using the MATLAB integrated boundary value problem (5C) tool. The impact of different parameters of the ordinary differential equation system is depicted in the graphs. We demonstrate the effect of a few specific factors on the physical quantities using tabular data. For material, curvature, and slip parameters, the fluid velocity increases. For greater values of the radiation, slip and heat source/sink parameters result to more stable thermal boundary layer. As the material and curvature parameters increase, so does the microrotation velocity. The Prandtl number and heat source/sink parameter cause the Nusselt number to decrease. It causes the skin friction values to reduce for the material and slip parameters.</p>

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Exponential space source characteristics on non-Newtonian slip flow and radiated heat transfer through a curved surface

  • 期刊论文

  • 发表日期：

    2025年10月3日

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  • A. S. Arya,
  • M. V. V. N. L. Sudharani,
  • M. G. Reddy,
  • D. G. Prakasha,
  • K. Ganesh Kumar

摘要

Non-Newtonian fluids are widely used across many industrial and engineering applications because of their viscosity changes with applied stress or shear rate. Micropolar fluid is one of the non-Newtonian fluids, which has several applications. Our research focuses on the numerical simulations to examine the effects of heat transfer and non-Newtonian fluid flow along a curved surface. In particular, the properties of the exponential space-dependent source are the main emphasis of this paper. The effects of linear radiation and velocity slip are also taken into account in this approach. These combined effects play a critical role in thin-film coating, polymer extrusion, and microscale thermal systems, where exact control over nonuniform heating, rotating effects, and slide behavior is necessary for optimal performance. The governing equations that represent the flow is a set of partial differential equations which are simplified to ordinary differential equations by applying similarity transformations. We compute a solution to the given mathematical model using the MATLAB integrated boundary value problem (5C) tool. The impact of different parameters of the ordinary differential equation system is depicted in the graphs. We demonstrate the effect of a few specific factors on the physical quantities using tabular data. For material, curvature, and slip parameters, the fluid velocity increases. For greater values of the radiation, slip and heat source/sink parameters result to more stable thermal boundary layer. As the material and curvature parameters increase, so does the microrotation velocity. The Prandtl number and heat source/sink parameter cause the Nusselt number to decrease. It causes the skin friction values to reduce for the material and slip parameters.