Assessment of heat transfer in n-immiscible coating layers on heated wire using linearly viscous fluid DOI
H. Ashraf,

Asmat Noreen,

Moataz Alosaimi

et al.

Physics of Fluids, Journal Year: 2025, Volume and Issue: 37(4)

Published: April 1, 2025

Understanding the mechanics of n-immiscible coating layers on electrical wires can improve efficiency, design, and practical applications by optimizing their performance. This paper theoretically analyzes flow heat transfer a wire in an annulus die. A mathematical model is developed. Formulated sets linear ordinary differential equations are solved for closed-form solutions. The dynamic viscosity μk, Brinkman number Brk, thermal conductivity ratio χ emerged as control parameters. effects parameters involved velocity, temperature, thickness, shear stress five-immiscible observed. It delineated that internal resistance to increases with increase viscosity, thus affecting momentum transfer. This, turn, reduces alters velocity distribution, thickness. temperature rise primarily due viscous dissipation, while diffusion works lower it. Furthermore, improved also contributes reduction temperature. analysis provides insights knowledge applicable system desired utilizing expressions derived layers.

Language: Английский

Assessment of heat transfer in n-immiscible coating layers on heated wire using linearly viscous fluid DOI
H. Ashraf,

Asmat Noreen,

Moataz Alosaimi

et al.

Physics of Fluids, Journal Year: 2025, Volume and Issue: 37(4)

Published: April 1, 2025

Understanding the mechanics of n-immiscible coating layers on electrical wires can improve efficiency, design, and practical applications by optimizing their performance. This paper theoretically analyzes flow heat transfer a wire in an annulus die. A mathematical model is developed. Formulated sets linear ordinary differential equations are solved for closed-form solutions. The dynamic viscosity μk, Brinkman number Brk, thermal conductivity ratio χ emerged as control parameters. effects parameters involved velocity, temperature, thickness, shear stress five-immiscible observed. It delineated that internal resistance to increases with increase viscosity, thus affecting momentum transfer. This, turn, reduces alters velocity distribution, thickness. temperature rise primarily due viscous dissipation, while diffusion works lower it. Furthermore, improved also contributes reduction temperature. analysis provides insights knowledge applicable system desired utilizing expressions derived layers.

Language: Английский

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