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Entropy anatomization on Marangoni Maxwell fluid over a rotating disk with nonlinear radiative flux and Arrhenius activation energy
International Communications in Heat and Mass Transfer ( IF 7 ) Pub Date : 2020-11-01 , DOI: 10.1016/j.icheatmasstransfer.2020.104857
S. Suriya Uma Devi , Fazle Mabood

Abstract Numerical analysis is performed for an incompressible Marangoni Maxwell nanofluid flow model under the implications of thermophoresis, brownian motion and nonlinear radiation over a convectively heated rotating disk. The second law of thermodynamics is also incorporated. The system that comprises differential equations of partial derivatives is remodeled into the system of differential equations via similarity transformations and then solved numerically through the Runge-Kutta-Fehlberg with shooting technique. The physical parameters, which emerges from the derived system are discussed in graphical formats. The significant outcomes of the current investigation are that the velocity filed decays for a higher magnetic parameter, the heat transfer rate is enhanced with the incremental values of radiation parameter and Prandtl number. Further, the entropy generation rate decreases with the fluid parameter while that peters out the Bejan number.

中文翻译:

具有非线性辐射通量和 Arrhenius 活化能的旋转圆盘上的 Marangoni Maxwell 流体的熵解剖

摘要 在热泳、布朗运动和非线性辐射对对流加热旋转盘的影响下,对不可压缩的马兰戈尼麦克斯韦纳米流体流动模型进行了数值分析。热力学第二定律也被纳入。由偏导数的微分方程组成的系统通过相似变换重构为微分方程组,然后通过Runge-Kutta-Fehlberg射击技术进行数值求解。从派生系统中出现的物理参数以图形格式进行讨论。目前研究的重要结果是,随着磁参数的增加,速度场衰减,传热速率随着辐射参数和普朗特数的增加而增强。更多,
更新日期:2020-11-01
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