Stagnation point of the triple nanoparticle nanofluid flow through the spinning sphere with radiation absorption

IF 1.9 4区 物理与天体物理 Q2 PHYSICS, MULTIDISCIPLINARY Pramana Pub Date : 2024-07-11 DOI:10.1007/s12043-024-02768-5
Kotha Gangadhar, Naga Chandrika G, Saeed Dinarvand
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Abstract

Heat absorption and thermal radiation have significant roles in engineering and research. These two principles have applications in thermal transportation, gas turbines, nuclear power plants, electrical fuel, aerospace engineering, projectiles and renewable energy. The present work analyses the stagnation point ternary nanofluid motion over a circulating sphere in the presence of a magnetic field and radiation absorption. The nonlinear controlling equations are replaced by ordinary differential equations by applying a suitable comparison factor. The bvp4c process was used to establish numerical outcomes of the partial differential equations. This mathematical numerical findings are presented graphically. The results of ternary nanoparticles (Cu–Ag–CuO/water), hybrid nanoparticles (Cu–Ag/water) and copper (Cu) nanoparticles have also been compared, and this comparison suggests that ternary nanoparticles (Cu–Ag–CuO/water) are more effective at attenuating hemodynamic factors (such as wall shear stress and heat transfer) than hybrid and copper (Cu) nanoparticles. Comparison with previous literature results is also done and the results are found to be in very good agreement with those published earlier.

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带有辐射吸收的三重纳米粒子纳米流体流经旋转球的停滞点
吸热和热辐射在工程和研究中发挥着重要作用。这两个原理在热运输、燃气轮机、核电站、电燃料、航空航天工程、射弹和可再生能源中都有应用。本研究分析了在磁场和辐射吸收作用下,循环球体上的停滞点三元纳米流体运动。通过应用适当的比较系数,将非线性控制方程替换为常微分方程。bvp4c 程序用于建立偏微分方程的数值结果。该数学数值结果以图表形式呈现。还比较了三元纳米粒子(Cu-Ag-CuO/水)、混合纳米粒子(Cu-Ag/水)和铜(Cu)纳米粒子的结果,比较结果表明,三元纳米粒子(Cu-Ag-CuO/水)比混合纳米粒子和铜(Cu)纳米粒子更能有效地减弱血液动力学因素(如壁剪应力和热传递)。此外,还与以前的文献结果进行了比较,发现结果与以前发表的结果非常一致。
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来源期刊
Pramana
Pramana 物理-物理:综合
CiteScore
3.60
自引率
7.10%
发文量
206
审稿时长
3 months
期刊介绍: Pramana - Journal of Physics is a monthly research journal in English published by the Indian Academy of Sciences in collaboration with Indian National Science Academy and Indian Physics Association. The journal publishes refereed papers covering current research in Physics, both original contributions - research papers, brief reports or rapid communications - and invited reviews. Pramana also publishes special issues devoted to advances in specific areas of Physics and proceedings of select high quality conferences.
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