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Crosswise Transport Mechanism of Micro-rotating Hybrid (Cu–Al 2 O 3 /H 2 O) Nanofluids Through Infusion of Various Shapes of Nanoparticles
Arabian Journal for Science and Engineering ( IF 2.6 ) Pub Date : 2020-05-18 , DOI: 10.1007/s13369-020-04580-w
R. Tabassum , R. Mehmood

The shape factor of nanoparticles and micro-rotation effects on steady, oblique flow of hybrid micropolar nanoliquid in two dimensions with the presence of viscosity variation is aimed to be analyzed in this study. This analysis is performed subject to the weak concentration of micro-elements. Model equations of the problem are converted to a non-dimensional set of highly nonlinear ODEs with employing appropriate transformations. This coupled system is afterward solved with shooting algorithm. Influence of viscosity parameter, material constant and nanoparticles shape factor on flow velocity profiles and temperature distribution is analyzed, discussed and presented graphically. The flow monitoring parameters are found to have profound effects on resulting profiles of skin friction and surface heat transfer rate. Shear stress at the surface is increasing with variable viscosity parameter m, while decreasing with material constant K. Blade-shaped nanoparticles are found to be most effective heat transfer agent in the present scenario.



中文翻译:

微旋转混合(Cu–Al 2 O 3 / H 2 O)纳米流体通过输注各种形状的纳米颗粒的横向传输机理。

本研究旨在分析纳米颗粒的形状因子和微旋转对二维混合微极性纳米液体稳定,斜向流动以及粘度变化的影响。该分析是在微量元素浓度较低的情况下进行的。通过适当的转换,将问题的模型方程式转换为高度非线性ODE的无量纲集。后来用射击算法解决了这个耦合系统。分析,讨论并以图形方式显示了粘度参数,材料常数和纳米颗粒形状因子对流速分布和温度分布的影响。发现流动监测参数对所得的皮肤摩擦和表面传热速率曲线具有深远的影响。m,同时随着材料常数K减小。在当前情况下,发现叶片状纳米颗粒是最有效的传热剂。

更新日期:2020-05-18
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