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Study of (Ag and TiO2)/water nanoparticles shape effect on heat transfer and hybrid nanofluid flow toward stretching shrinking horizontal cylinder
Results in Physics ( IF 5.3 ) Pub Date : 2021-01-06 , DOI: 10.1016/j.rinp.2020.103812
Umair Rashid , Haiyi Liang , Hijaz Ahmad , Muhammad Abbas , Azhar Iqbal , Y.S. Hamed

This study reflects the behaviorof nanoparticles shape on (Ag-TiO2)/water hybrid nanofluid flow toward the horizontal permeable stretching shrinking cylinder. The effect of suction and injection parameters is also considered. Three different shapes (sphere, blade, and lamina) of Ag and TiO2 are used in this study. The boundarylayer equations of the problem are transformed to a setof non-linearODEs and the analytical solution of these non-linear ODEsis conducted. Thehomotopyanalysis method (HAM) is applied to findthe analytical resultsof the problem. The obtained results are also compared with the already published article by Sandeep et al.Spectacular characteristics of hybrid nanofluid flow quantities are carried out with a special focus on velocityf'η profile, temperature θηprofileand Nusselt numberNu. With the impact of pertinent parameters, the temperature and Nusselt number profiles show that the sphereshape nanoparticles have better temperature disturbance and heat transfer on hybrid nanofluid flow.



中文翻译:

(Ag和TiO 2)/水纳米颗粒形状对传热和纳米流体向拉伸收缩水平圆柱体流动的影响

这项研究反映了纳米颗粒形状对(Ag-TiO 2)/水杂化纳米流体流向水平可渗透拉伸收缩圆柱体的行为。还应考虑吸力和喷射参数的影响。在本研究中,使用了三种不同形状的Ag和TiO 2(球体,叶片和薄片)。将问题的边界层方程式转换为一组非线性ODE,并进行了这些非线性ODEsis的解析解。应用全热分析方法(HAM)寻找问题的分析结果。还将获得的结果与Sandeep等人已经发表的文章进行了比较。混合纳米流体流量的壮观特征是着眼于速度的F'η 轮廓,温度 θη轮廓和努塞尔数怒江。在相关参数的影响下,温度和Nusselt数曲线表明球形纳米颗粒对混合纳米流体的流动具有更好的温度扰动和热传递。

更新日期:2021-01-13
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