具有速度和温度滑移效应的Darcy-Forchheimer混合纳米流体的磁流热分析:稳定性和双解的检验

IF 1.9 4区 工程技术 Q3 ENGINEERING, MECHANICAL
Muhammad Asif Memon, Kavikumar Jacob, Hazoor Bux Lanjwani, Umair Khan, El-Sayed M Sherif, Ioan Pop
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引用次数: 0

摘要

本文研究了磁流体力学水基银(Ag)和氧化铁(fe3o4)杂化纳米材料在达西-福希海默多孔介质中流动的传热特性。此外,还考虑了热辐射效应和滑移边界条件。首先利用适当的相似变换将控制偏微分方程转化为常微分方程。在Maple软件中使用著名的射击技术对这些得到的ode进行求解,得到不同物理参数变化所需的数值解。在这里,数值结果显示了在不同范围内的拉伸/收缩参数的解的对偶性。对此,进行了稳定性分析,发现第一种解是稳定的,物理上可以接受的,而第二种解是不稳定的,物理上不可行的。此外,由于传质参数的影响较大,收缩参数下的表面摩擦增大,而拉伸参数下的表面摩擦减小,收缩参数下的传热现象增大。此外,随着固体纳米颗粒体积分数的增加,吸力参数的变化,表面摩擦和换热也随之增加。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Thermal analysis for hydromagnetic flow of Darcy-Forchheimer hybrid nanofluid with velocity and temperature slip effects: Scrutinization of stability and dual solutions
This article explores heat transfer characteristics of magnetohydrodynamics water-base silver (Ag) and iron oxide (Fe 3 O 4 ) hybrid nanomaterials flow in a Darcy-Forchheimer porous medium induced by a stretching/shrinking surface with impacts of heat sink/source. Moreover, thermal radiation effects and the slip boundary conditions are also incorporated in the given problem. Governing partial differential equations (PDEs) are first altered into the ordinary differential equations (ODEs) using suitable similarity transformations. These achieved ODEs are solved by the well-known shooting technique in Maple software to get the required numerical solutions for the variation in different physical parameters. Here, the numerical findings show duality in solutions in case of stretching/shrinking parameter over different ranges of the comprised distinguished parameters. In this regard, the stability analysis is done and the first solution is found stable and physically acceptable, while the second one unstable and physically infeasible. Besides, the skin friction increases for the case of shrinking but it decreases for case of stretching parameter due to the greater impacts of the mass transfer parameter while the heat transfer phenomenon upsurges for the case of shrinking parameter. Moreover, the skin friction, and the heat transfer rise with variation of the suction parameters when the quantity of solid nanoparticles volume fraction is increased.
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来源期刊
Advances in Mechanical Engineering
Advances in Mechanical Engineering 工程技术-机械工程
CiteScore
3.60
自引率
4.80%
发文量
353
审稿时长
6-12 weeks
期刊介绍: Advances in Mechanical Engineering (AIME) is a JCR Ranked, peer-reviewed, open access journal which publishes a wide range of original research and review articles. The journal Editorial Board welcomes manuscripts in both fundamental and applied research areas, and encourages submissions which contribute novel and innovative insights to the field of mechanical engineering
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