Numerical analysis on theoretical model of magneto-Williamson nanofluid in relation to viscous dissipation, double-diffusion convection, thermal radiation and multiple slip boundaries

IF 1.9 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Pramana Pub Date : 2024-08-28 DOI:10.1007/s12043-024-02798-z
S Bilal, Safia Akram, Maria Athar, Khalid Saeed, Alia Razia, Arshad Riaz
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Abstract

Aerospace research is increasingly focusing on propulsion system analysis. Heat transmission at high temperatures controlled by thermal radiation is used in spaceship propulsion systems. Hence, the current work investigates the magneto-Williamson nanofluid peristalsis flow in relation to thermal effect and slip-boundary circumstances with double-diffusion convection. In the flow's opposite direction, a steady, static magnetic field is applied. A mathematical model with appropriate boundary conditions is built by considering the momentum, continuity and energy equations. By considering the long wavelength and low Reynold estimation, the resulting equations are further made simpler. Then a numerical solution to the resulting reduced partial differential equations is obtained. Finally, there is a visual representation of the non-Newtonian propelling flow parameters, which include the Brinkman number, Prandtl number, Hartmann number, radiation parameter, particle volume fraction, electric field and slip parameters. It is highlighted that enhancing the coefficient of thermophoresis strengthens the temperature contour because increasing the number of particles merged enhances thermophoretic power. Furthermore, because of the substantial migration of nanoparticles from a heated region to a cooled one, the distribution of concentration becomes less cumbersome. It is also revealed that the fraction of nanoparticles rises because of rising thermal radiation and Brownian motion because nanofluids have a significant temperature distribution that may affect the system's distribution.

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与粘性耗散、双扩散对流、热辐射和多滑移边界有关的磁-威廉森纳米流体理论模型的数值分析
航空航天研究越来越注重推进系统分析。热辐射控制的高温热传导被用于飞船推进系统。因此,目前的工作研究了磁-威廉森纳米流体蠕动流动与热效应和滑移边界情况的关系,以及双扩散对流。在流动的反方向,施加了一个稳定的静态磁场。通过考虑动量、连续性和能量方程,建立了一个具有适当边界条件的数学模型。通过考虑长波长和低雷诺估计值,进一步简化了所得到的方程。然后对简化后的偏微分方程进行数值求解。最后,对非牛顿推进流参数进行了直观表示,其中包括布林克曼数、普朗特数、哈特曼数、辐射参数、粒子体积分数、电场和滑移参数。结果表明,提高热泳系数可增强温度等值线,因为增加合并颗粒的数量可增强热泳力。此外,由于纳米粒子从加热区域向冷却区域大量迁移,浓度分布变得不那么复杂。研究还发现,由于热辐射和布朗运动的增加,纳米粒子的比例也会上升,因为纳米流体具有显著的温度分布,可能会影响系统的分布。
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Pramana
Pramana 物理-物理:综合
CiteScore
3.60
自引率
7.10%
发文量
206
审稿时长
3 months
期刊介绍: Pramana - Journal of Physics is a monthly research journal in English published by the Indian Academy of Sciences in collaboration with Indian National Science Academy and Indian Physics Association. The journal publishes refereed papers covering current research in Physics, both original contributions - research papers, brief reports or rapid communications - and invited reviews. Pramana also publishes special issues devoted to advances in specific areas of Physics and proceedings of select high quality conferences.
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