Entropy generation in MHD Darcy–Forchheimer flow of hybrid nanomaterial: A numerical study of local similar solution

IF 2.3 4区工程技术 Q1 MATHEMATICS, APPLIED

Zamm-zeitschrift Fur Angewandte Mathematik Und Mechanik Pub Date : 2023-09-17 DOI:10.1002/zamm.202200557

Tasawar Hayat, Muhammad Yazman, Khursheed Muhammad, Ahmed Alsaedi

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引用次数: 0

Abstract

Abstract The presented article aims to analyze the three‐dimensional electrically conducting flow induced by a rotating stretchable disk. A hybrid nanomaterial is generated by adding copper and graphene oxide nanoparticles to kerosene oil, which saturates through a Darcy–Forchheimer porous medium. The article also reports on entropy generation and the Bejan number. To solve the associated partial differential equations, appropriate transformations are applied to convert them into ordinary differential equations. These equations are then solved numerically to obtain the desired solutions. The significance of these nanoparticles in kerosene oil is due to their ability to enhance heat transfer and thermal conductivity, thereby optimizing the performance of the rotating stretchable disk system. The synergistic effects of these components lead to improved energy efficiency and overall system effectiveness. The results for various quantities of interest, such as velocity, entropy, temperature, and the Bejan number, are presented graphically and analyzed considering the influence of relevant parameters. Moreover, the comparative analysis indicated that hybrid nanofluid have dominating effect than base liquid (kerosene oil).

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杂化纳米材料MHD Darcy-Forchheimer流动中的熵生成:局部相似解的数值研究

本文的目的是分析由旋转可拉伸圆盘引起的三维导电流。将铜和氧化石墨烯纳米颗粒添加到煤油中，使煤油通过达西-福希海默多孔介质饱和，从而产生一种混合纳米材料。本文还报道了熵的产生和贝让数。为了求解相关的偏微分方程，应用适当的变换将其转化为常微分方程。然后对这些方程进行数值求解以得到所需的解。这些纳米颗粒在煤油中的意义在于它们能够增强传热和导热性，从而优化旋转可拉伸磁盘系统的性能。这些组件的协同效应导致提高能源效率和整体系统的有效性。考虑到相关参数的影响，对速度、熵、温度和贝让数等各种感兴趣的量的结果进行了图解和分析。此外，对比分析表明，混合纳米流体比基础液(煤油)具有优势作用。

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

Zamm-zeitschrift Fur Angewandte Mathematik Und Mechanik 数学-力学

CiteScore

3.30

自引率

8.70%

发文量

199

审稿时长

3.0 months

期刊介绍： ZAMM is one of the oldest journals in the field of applied mathematics and mechanics and is read by scientists all over the world. The aim and scope of ZAMM is the publication of new results and review articles and information on applied mathematics (mainly numerical mathematics and various applications of analysis, in particular numerical aspects of differential and integral equations), on the entire field of theoretical and applied mechanics (solid mechanics, fluid mechanics, thermodynamics). ZAMM is also open to essential contributions on mathematics in industrial applications.