Nanoparticle shape factor analysis on radiative ternary nanofluid (MWCNT-Cu-SiO2/H2O) flow with non-Fourier thermal flux

IF 2.5 4区工程技术 Q2 ENGINEERING, MECHANICAL

Journal of Porous Media Pub Date : 2024-06-01 DOI:10.1615/jpormedia.2024051855

Madiha Takreem Kottur, Venkata Satya Narayana Panyam

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引用次数: 0

Abstract

The ternary hybrid nanofluid flow comprising multi-walled carbon nanotube, copper, and silicon dioxide dispersed in a host fluid of water in a Darcy-Forchheimer medium past an elongated surface is deliberated in the current study. The novelty of the contemplated model is developed by incorporating the influences of mixed convection in the momentum equation and heat source and Cattaneo-Christov thermal flux in the energy equation. Shape factor analysis of the nanoparticles is also performed to calculate the thermal efficacy. An application of the appropriate similarity variables is made to transmute the governing system of PDEs into an ordinary differential system, whose numeric solution is determined by the bvp4c package in MATLAB. The outcome drawn in this study is that the ternary hybrid nanofluid MWCNT-Cu-SiO2/H2O can provide effective thermal transmission efficiency compared to Cu-SiO2/H2O hybrid nanofluid. Additionally, the lamina-shaped nanoparticles seem to exhibit an improved thermal profile and greater heat transmission rate than platelets shaped ones. Moreover, a comparison table is included to authenticate the present model and a great correlation is attained.

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具有非傅里叶热通量的辐射三元纳米流体（MWCNT-Cu-SiO2/H2O）流动的纳米粒子形状因子分析

本研究探讨了在达西-福克海默介质中，由分散在水主流体中的多壁碳纳米管、铜和二氧化硅组成的三元混合纳米流体流过伸长表面的问题。在动量方程中加入了混合对流的影响，在能量方程中加入了热源和卡塔尼奥-克里斯托夫热通量的影响，从而建立了新颖的模型。还对纳米颗粒进行了形状因素分析，以计算热效率。应用适当的相似变量将 PDE 治理系统转换为常微分系统，其数值解由 MATLAB 中的 bvp4c 软件包确定。研究结果表明，与 Cu-SiO2/H2O 混合纳米流体相比，MWCNT-Cu-SiO2/H2O 三元混合纳米流体可提供有效的热传导效率。此外，片状纳米粒子似乎比板状纳米粒子具有更好的热曲线和更高的热传导率。此外，为验证本模型，还提供了一个对比表，并得出了很好的相关性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Journal of Porous Media 工程技术-工程：机械

CiteScore

3.50

自引率

8.70%

发文量

审稿时长

12.5 months

期刊介绍： The Journal of Porous Media publishes original full-length research articles (and technical notes) in a wide variety of areas related to porous media studies, such as mathematical modeling, numerical and experimental techniques, industrial and environmental heat and mass transfer, conduction, convection, radiation, particle transport and capillary effects, reactive flows, deformable porous media, biomedical applications, and mechanics of the porous substrate. Emphasis will be given to manuscripts that present novel findings pertinent to these areas. The journal will also consider publication of state-of-the-art reviews. Manuscripts applying known methods to previously solved problems or providing results in the absence of scientific motivation or application will not be accepted. Submitted articles should contribute to the understanding of specific scientific problems or to solution techniques that are useful in applications. Papers that link theory with computational practice to provide insight into the processes are welcome.