具有热源/沉降和部分滑动效应的三维达西-福克海默混合纳米流体流动的数值模拟

IF 2.5 4区工程技术 Q2 ENGINEERING, MECHANICAL

Journal of Porous Media Pub Date : 2024-03-01 DOI:10.1615/jpormedia.2024051759

Bilal Ali, Sidra Jubair, Md Irfanul Haque Siddiqui

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引用次数: 0

摘要

本研究解释了达西-福克海默（Darcy-Forchheimer，DF）混合纳米流体（HNF）在可渗透旋转圆盘上流动的数值模拟。混合纳米流体是在水中添加 AA7072 和 AA7075（铝合金）纳米粒子（NPs）制备而成的。铝合金因其重量轻、耐久性强而常用于机身和机翼襟翼等飞机部件。此外，为美国军队制造 M16 步枪也是铝合金的一个有趣应用。在对流体流动进行估算时，考虑到了热辐射、DF 效应、粘性耗散、热滑移条件和指数热源/热沉。通过替换相似变量，将模型方程简化为常微分方程组（ODE）。得到的方程组通过 PCM（参数延续法）求解。我们注意到，HNF 的径向和轴向速度随着孔隙度参数和达西-福克海默项的增加而减小。速度场和温度场随着铝合金（AA7072 和 AA7075）数量的增加而减小。

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Numerical Simulation of 3D Darcy-Forchheimer Hybrid Nanofluid Flow with Heat Source/Sink and Partial Slip Effect across a Spinning Disc

The current study explains the numerical simulation for the Darcy-Forchheimer (DF) hybrid nanofluid (HNF) flow over a permeable rotating disc. The HNF is prepared with the addition of AA7072 and AA7075 (aluminum alloys) nanoparticles (NPs) in water. Aluminum alloys are frequently used in aircraft parts like fuselages and wing flaps due to its light weight and durability. Additionally, making of M16 rifles for the American military is one intriguing application of the aluminum alloys. The fluid flow has been estimated with the significances of thermal radiation, DF effect, viscous dissipation, thermal slip condition and exponential heat source/sink. The modeled equations are simplified to ordinary system of differential equations (ODEs) by substituting similarity variables. The obtained set of equations is solved via using PCM (parametric continuation method). It has been noticed that the HNF both radial and axial velocity diminish with the upshot of porosity parameter and Darcy Forchheimer term. The velocity and temperature fields reduce with the rising numbers of aluminum alloys (AA7072 and AA7075).

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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.