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Significance of Brownian motion and thermophoresis influence on dynamics of Reiner-Rivlin fluid over a disk with non-Fourier heat flux theory and gyrotactic microorganisms: A Numerical approach
Physica Scripta ( IF 2.6 ) Pub Date : 2021-05-28 , DOI: 10.1088/1402-4896/ac02f0
Bagh Ali 1 , Liaqat Ali 2 , Sohaib Abdal 3 , Muhammad Imran Asjad 4
Affiliation  

Bioconvection for rotational flow is conceived to provide stability to improved thermal transportation for Reiner-Rivlin nano fluid over a disk with multi-slips. The nonFourier heat flux, binary chemical reaction, magnetic force, and activation energy are incorporated. A system of nonlinear differential equations in coupled form is acquired through the fundamental relations of Reiner-Rivlin fluids. The Runge-Kutta method of fourth-order is used to solved differential equations in MATLAB environment. The impact of various parameters are discussed and drawn physically with the help of graphs. The Reiner-Rivlin fluid parameter, magnetic parameter, thermophoresis, and Brownian motion parameter escalated the nanofluid temperature field. The electromagnetic parameter and Reiner-Rivlin fluid parameter decelerated the primary flow velocity and activation energy augmented the volume fraction of nanoparticles in the boundary layer region. An excellent accord among the present and previously existing solutions is establishes the validity of the current findings.



中文翻译:

布朗运动和热泳对 Reiner-Rivlin 流体动力学影响的意义与非傅立叶热通量理论和回旋微生物:数值方法

旋转流的生物对流旨在为 Reiner-Rivlin 纳米流体在具有多滑移的圆盘上的改进热传输提供稳定性。结合了非傅立叶热通量、二元化学反应、磁力和活化能。通过Reiner-Rivlin流体的基本关系,得到一个耦合形式的非线性微分方程组。在MATLAB环境下采用四阶Runge-Kutta方法求解微分方程。在图表的帮助下讨论和绘制了各种参数的影响。Reiner-Rivlin 流体参数、磁参数、热泳和布朗运动参数使纳米流体温度场升高。电磁参数和 Reiner-Rivlin 流体参数降低了初级流速,活化能增加了边界层区域中纳米颗粒的体积分数。当前和先前存在的解决方案之间的极好一致性确立了当前发现的有效性。

更新日期:2021-05-28
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