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首页> 外文期刊>International journal of numerical methods for heat & fluid flow >Darcy-Forchheimer flow of nanofluid in a rotating frame
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Darcy-Forchheimer flow of nanofluid in a rotating frame

机译：Darcy-Forchheimer纳米流体在旋转框架中的流动

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摘要

Purpose - The aim of this study is to elaborate three dimensional rotating flow of nanoliquid induced by a stretchable sheet subject to Darcy-Forchheimer porous space. Thermophoretic diffusion and random motion aspects are retained. Prescribed surface heat flux and prescribed surface mass flux conditions are implemented at stretchable surface. Convergent series solutions have been derived for velocities, temperature and concentration. Design/methodology/approach - Optimal homotopy analysis method is implemented for the solution development. Findings - The current solution demonstrates very good agreement with those of the previously published studies in the special cases of regular fluid and nanofluids. Graphical results are presented to investigate the influences of the titania and copper nanoparticle volume fractions and also the nodal/saddle indicative parameter on flow and heat transfer characteristics. Here, the thermal characteristics of hybrid nanofluid are found to be higher in comparison to the base fluid and fluid containing single nanoparticles, respectively. An important point to note is that the developed model can be used with great confidence to study the flow and heat transfer of hybrid nanofluids. Originality/value - To the best of the authors' knowledge, no such consideration has been given in the literature yet.
机译：目的-这项研究的目的是阐明受达西-福希海默（Darcy-Forchheimer）多孔空间影响的可拉伸片材诱导的纳米液体的三维旋转流。保留了热泳扩散和随机运动方面。在可拉伸表面上实施规定的表面热通量和规定的表面质量通量条件。已经针对速度，温度和浓度导出了收敛级数解。设计/方法/方法-为解决方案开发实施了最佳同伦分析方法。研究结果-在常规流体和纳米流体的特殊情况下，当前的解决方案与先前发表的研究非常吻合。给出了图形结果以研究二氧化钛和铜纳米颗粒的体积分数以及节点/鞍形指示参数对流动和传热特性的影响。在此，发现混合纳米流体的热特性分别比基础流体和包含单个纳米颗粒的流体高。需要注意的重要一点是，开发的模型可以非常有信心地用于研究混合纳米流体的流动和传热。原创性/价值-就作者所知，文献中还没有考虑过此类因素。

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