带耗散和辐射的化学反应微小物种在倾斜多孔板中对流水磁热迁移的非稳态动力学分析

IF 2.6 4区 物理与天体物理 Q2 PHYSICS, APPLIED
L. Joseph Sademaki, MD. Shamshuddin, S. O. Salawu, B. Prabhakar Reddy
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引用次数: 0

摘要

本次研究的实质是对化学反应微小粒子在振荡无限板表面上的时变热迁移进行热流体参数敏感性分析。在许多其他振荡流参数的影响下,热迁移微小颗粒的影响尚未得到研究,因此本研究获得的结果是新颖的。通过使用合适的非一维变量,将主要的 PDE(偏微分方程)转换为无量纲 PDE,确保使用 MAPLE 内置方法对方程进行数值求解。在有限情况下产生的数值与文献中的结果相联系,以验证所使用的数值方法的精确性。通过图表和表格说明了由于关键参数的修改而导致的速度、温度和浓度曲线的波动,以及壁面摩擦力、热和溶质迁移率。研究的最终结果表明,增加渗透量以及热浮力和溶解浮力的叶轮会提高流体速度。与此相反,磁性参数和壁面摩擦力的作用与流速相反。流体温度随普朗特数和辐射参数的增大而降低,而随埃克特数的增大则呈相反趋势。热扩散的增加有助于提高流体浓度,而施密特数和化学反应则显示出相反的趋势。此外,我们的研究结果与文献中的真实结果非常吻合。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Unsteady dynamical analysis of convective hydromagnetic thermal migration of chemically reacting tiny species with dissipation and radiation in an inclined porous plate

The essence of the current examination is to carry out thermofluid parametric sensitivity with time-varying thermal migration of chemically reactive tiny species across an oscillating infinite plate surface. The impact of thermal motile tiny particles under the influence of many other oscillating flow parameters has yet to be investigated; hence the results obtained in this research are novel. Using a suitable non-dimensional variable, the leading PDEs (partial differential equations) are transmuted into dimensionless PDEs, ensuring equations are numerically solved using the MAPLE built-in approach. The numerical values produced in a limited scenario are linked with the outcomes found in the literature to validate the precision of the numerical approach utilized. The fluctuations in the profiles of the velocity, temperature, and concentration, in addition to the wall friction and rate of thermal and solutal transport, are illustrated via graphs and tables due to the modification of the critical parameters. The endmost results of the study concede that increasing permeability quantity and thermal and solutal buoyancy impellers intensify the fluid velocity. In contrast, a converse tendency is perceived with magnetic parameter and also, wall friction acts opposite to the velocity. The fluid temperature attenuated with dilation of the Prandtl number and radiation parameter, whilst a contrary trend was perceived with Eckert number. The increasing thermo-diffusion helps to develop fluid concentration whilst the Schmidt number and chemical reaction displayed opposite trend. Further, we achieved a tremendous conformity between the current findings and genuine results in the literature.

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来源期刊
International Journal of Modern Physics B
International Journal of Modern Physics B 物理-物理:凝聚态物理
CiteScore
3.70
自引率
11.80%
发文量
417
审稿时长
3.1 months
期刊介绍: Launched in 1987, the International Journal of Modern Physics B covers the most important aspects and the latest developments in Condensed Matter Physics, Statistical Physics, as well as Atomic, Molecular and Optical Physics. A strong emphasis is placed on topics of current interest, such as cold atoms and molecules, new topological materials and phases, and novel low dimensional materials. One unique feature of this journal is its review section which contains articles with permanent research value besides the state-of-the-art research work in the relevant subject areas.
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