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Thermal aspects of magnetically driven micro-rotational nanofluid configured by exponential radiating surface
Case Studies in Thermal Engineering ( IF 6.8 ) Pub Date : 2022-07-28 , DOI: 10.1016/j.csite.2022.102322
Kamel Guedri , W.A. Khan , Nawal A. Alshehri , M. Mamat , Mohammed Jameel , Yun-Jie Xu , M. Waqas , Ahmed M. Galal

Heat transferring liquids having poor thermophysical attributes, for illustration, glycols, water-based liquids and oils cannot be enlarged to a optimal extent to accomplish the subsisting necessities of certain heat transferals (e.g., thermal solar collectors). To attain such aims, nanoparticles based disseminated liquids could be utilized as working liquids rather than standard liquids to strengthen solar energy recognition. Undoubtedly, solar energy is atmospherically approachable renewable energy fount. Therefore an analysis featuring thermal radiation based solar energy impact in magnetically driven nanoliquid dissipative flow induced by moving exponential surface is reported. Modeling is presented for non-Newtonian micropolar liquid subjected to Joule heating, Brownian diffusion, chemical reaction and thermophoresis. Theory of boundary-layer assisted in simplifying the complex rheological expressions (partial differential equations) which are further reduced to the ordinary ones utilizing relevant transformations. The well-known analytical scheme (homotopy analysis method) is opted to compute convergent solutions. The consequence of non-dimensional variables is interpreted via pictorial depictions.



中文翻译:

由指数辐射表面构成的磁驱动微旋转纳米流体的热特性

具有较差热物理特性的传热液体,例如乙二醇、水基液体和油类,不能扩大到最佳程度以实现某些传热装置(例如,太阳能集热器)的生存需要。为了实现这些目标,基于纳米粒子的分散液体可以用作工作液体而不是标准液体,以加强太阳能识别。毫无疑问,太阳能是大气可再生能源的源泉。因此,报告了在由移动指数表面引起的磁驱动纳米液体耗散流中基于热辐射的太阳能影响的分析。对经受焦耳加热、布朗扩散、化学反应和热泳的非牛顿微极性液体进行了建模。边界层理论有助于简化复杂的流变表达式(偏微分方程),通过相关变换进一步简化为普通流变表达式。选择著名的分析方案(同伦分析法)来计算收敛解。无量纲变量的结果是通过图形描述来解释的。

更新日期:2022-07-28
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