Al2O3-Cu/Water 混合纳米流体对倒 T 形围护结构中自然对流的影响

IF 5.6 Q2 MATERIALS SCIENCE, BIOMATERIALS ACS Applied Bio Materials Pub Date : 2024-04-01 DOI:10.1166/jon.2024.2115

Sangita Dey, B. V. Rathish Kumar

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引用次数: 0

摘要

在本研究中，通过使用有限元方法求解耦合非线性 PDE 模型，数值研究了 Al2O3-Cu/water 混合纳米流体（HNF）流动的影响，该流动受修正纳维-斯托克斯方程和能量守恒的控制，在倒 T 形域中由于自然对流而产生热量和质量传递。分析了源长度、瑞利数（Ra）（1≤Ra≤104）、垂直管的宽度、纳米粒子的体积分数（Φ）（0≤Φ≤0.01，1≤Pr≤50）和长宽比（AR）（0.5≤AR≤2）等控制参数对努塞尔特数的影响，并通过表格数值和 Matlab 绘图进行了展示。此外，还通过流线和等温线等值线描述了流动和传热对控制参数的敏感性。

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Effect of Al2O3-Cu/Water Hybrid Nanofluid on Natural Convection in an Inverted T-Shaped Enclosure

In the present study, the effect of Al2O3-Cu/water hybrid nanofluid (HNF) flow, governed by modified Navier-Stokes equations coupled with energy conservation on heat and mass transfer due to the natural convection in an inverted T shape domain is investigated numerically by solving coupled non-linear PDE model using finite element method. The effect of the governing parameters like source length, Rayleigh number (Ra), 1 ≤ Ra ≤ 104, breadth of the vertical tube, volume fraction of nanoparticle (Φ), 0 ≤ Φ ≤ 0.01, 1 ≤ Pr ≤ 50, and aspect ratio (AR), 0.5 ≤ AR ≤ 2, etc. on Nusselt number has been analyzed and presented through tabulated values and Matlab plotting. Also, the flow and heat transfer sensitivity to the the governing parameters are depicted through the streamline and isotherm contours.

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来源期刊

ACS Applied Bio Materials Chemistry-Chemistry (all)

CiteScore

9.40

自引率

2.10%

发文量

464

期刊介绍： ACS Applied Bio Materials is an interdisciplinary journal publishing original research covering all aspects of biomaterials and biointerfaces including and beyond the traditional biosensing, biomedical and therapeutic applications. The journal is devoted to reports of new and original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials, engineering, physics, bioscience, and chemistry into important bio applications. The journal is specifically interested in work that addresses the relationship between structure and function and assesses the stability and degradation of materials under relevant environmental and biological conditions.