An investigation on non-Darcian Williamson nanofluid flow stimulated by activation energy resulting from a slick elastic sheet encased in a porous medium

IF 0.8 4区 物理与天体物理 Q3 PHYSICS, MULTIDISCIPLINARY Journal of the Korean Physical Society Pub Date : 2024-11-06 DOI:10.1007/s40042-024-01212-6
Utpal Jyoti Das, Nayan Mani Majumdar
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Abstract

In this work, we explored the mass transfer characteristics of a non-Newtonian Williamson nanofluid flow resulting from a stretched sheet in response to various environmental factors such as chemical reactions, activation energy, non-Darcy porous medium, slip velocity, and viscous dissipation. The primary circumstance under study is one in which a Williamson nanofluid’s viscosity and thermal conductivity differ with temperature. An algorithmic solution to the anticipated problem is presented using the BVP4C method. Consequently, several plots have been generated to illustrate how different physical attributes that emerge in the issues impact concentration, temperature, and velocity profiles. It was found that the slip velocity assumption, magnetic field, activation energy, and the viscous dissipation phenomenon influenced the heat and mass transfer processes. Some key outcomes are: the slip velocity parameter and viscosity parameter reduce the velocity field; the slip velocity parameter and porosity parameter increase the temperature field; activation energy improves the concentration field; and chemical reaction decreases the concentration. There is a strong qualitative agreement between theoretical and numerical results.

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非darcian Williamson纳米流体流动的研究:由多孔介质包裹的光滑弹性片所产生的活化能
在这项工作中,我们探索了由拉伸片引起的非牛顿威廉姆森纳米流体在各种环境因素(如化学反应、活化能、非达西多孔介质、滑移速度和粘性耗散)下的传质特性。研究的主要情况是威廉姆森纳米流体的粘度和导热系数随温度的变化而变化。利用BVP4C方法给出了预期问题的算法求解。因此,已经生成了几个图来说明在问题中出现的不同物理属性如何影响浓度、温度和速度剖面。研究发现,滑移速度假设、磁场、活化能和粘滞耗散现象对传热传质过程都有影响。一些关键结果是:滑移速度参数和黏度参数减小了速度场;滑移速度参数和孔隙率参数使温度场增大;活化能改善浓度场;化学反应降低了浓度。理论结果和数值结果在定性上有很强的一致性。
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来源期刊
Journal of the Korean Physical Society
Journal of the Korean Physical Society PHYSICS, MULTIDISCIPLINARY-
CiteScore
1.20
自引率
16.70%
发文量
276
审稿时长
5.5 months
期刊介绍: The Journal of the Korean Physical Society (JKPS) covers all fields of physics spanning from statistical physics and condensed matter physics to particle physics. The manuscript to be published in JKPS is required to hold the originality, significance, and recent completeness. The journal is composed of Full paper, Letters, and Brief sections. In addition, featured articles with outstanding results are selected by the Editorial board and introduced in the online version. For emphasis on aspect of international journal, several world-distinguished researchers join the Editorial board. High quality of papers may be express-published when it is recommended or requested.
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