具有cattaneo - chri炉灶热流通量的MHD对流麦克斯韦纳米流体在多孔拉伸片上的活化能效应

IF 1.4 Q3 ENGINEERING, MECHANICAL
N Jyothi, VIJAYA KUMAR AVULA GOLLA
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引用次数: 0

摘要

本文研究了对流MHD麦克斯韦纳米流体在具有Cattaneo-Christove热流通量的多孔拉伸片上的传热传质。研究了热源、辐射和粘性耗散的影响。此外,还考虑了二元化学反应和吸注的活化能。通过相似变换将量纲控制方程转化为无量纲形式。在MATLAB中对得到的数学模型进行了数值求解。通过图形和表格研究了有关流型的物理参数的影响。流体速度随磁场、孔隙度和吸力参数的影响而增强,布朗运动显著,生热和辐射值增大,流体温度随热松弛时间的增大而下降。热泳和活化能的增加导致浓度的增加,而化学反应的增加则呈现相反的趋势。Nussult数随着热Grashof数、溶质Grashof数和Biot数的增大而增大,而随着布朗运动、热泳动和Eckert数的增大而减小。本文的计算结果与已发表的结果进行了比较,发现两者吻合得很好。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Activation energy effect on MHD convective Maxwell nanofluid flow with Cattaneo-Christove heat flux over a porous stretching sheet
The current article investigates the heat and mass transfer of convective MHD Maxwell nanofluid flow over a porous stretching sheet with Cattaneo-Christove heat flux. The influences of heat sources, radiation, and viscous dissipation are investigated. Also, the activation energy with binary chemical reaction and suction/injection are considered into the account. The dimensional governing equations are transmitted into non-dimensional form by similarity transformations. Further, the obtained mathematical model is solved numerically in MATLAB. The effect of physical parameters pertaining in flow regime are investigated through figures and tables. Fluid velocity enhances with the impact of magnetic field, porosity and suction parameters while the Brownian motion is significant with an improved values of heat generation and radiation, Fluid temperature declines with an upsurge values of thermal relaxation time. And Increasing thermophoresis and activation energy lead to an increase in the concentration whereas the opposite trend is seen for increasing chemical reaction. The Nussult number enhanced due to the larger values of thermal Grashof number, solutal Grashof number and Biot number whereas it declines with the escalating values of Brownian motion, thermophoresis and Eckert number. The comparison of the present results is carried out with the published results and noted a good agreement.
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CiteScore
2.00
自引率
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发文量
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