利用多孔介质技术对微通道散热器中Cu:ALOOH/水的计算机模拟,并通过数值分析AGM和FEM求解

IF 3.2 3区 工程技术 Q2 MECHANICS
S.A. Abdollahi , P. Jalili , B. Jalili , H. Nourozpour , Y. Safari , P. Pasha , D.D. Ganji
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引用次数: 21

摘要

电子电路、汽车工业和微型计算机中的小型热系统的广泛改进使微系统的研究成为必不可少的。本文描述了相干纳米流体引导微通道散热器的流动和热场特性。采用多孔介质近似法对膨胀板和Cu: γ - AlOOH/水的热分布进行了研究。Boehme铜和铝纳米颗粒的混合混合物对微通道散热器的冷却效果进行了评估。利用Akbari Ganji法和有限元法,分析了线性和非线性微分方程以及简单的无量纲方程。本研究的目的是研究铜混合溶液加入水中后的流体和热参数,如Nusselt数和Darcy数,从而达到流体的最佳冷却。另外,通过在散热器壁上安装一片散热片,增加了与周围空气流体的导热换热系数和置换换热系数,提高了系统的效率。总体结果表明,在NP(系列传热流体系统)上,随着温度的升高,铜和薄铝石氧化铝颗粒的体积划分最大化,导致Cu: AlOOH/水的流速度减小。纳米颗粒的体积分数越高,固体表面温度和纳米流体的温度越低。布朗运动随着混合材料中纳米颗粒体积百分比的增加而改善,从而将热量传播到整个环境中。因此,传热率上升。随着达西数的增加,固体段和Cu: AlOOH/水的热场都有所改善。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Computer simulation of Cu: AlOOH/water in a microchannel heat sink using a porous media technique and solved by numerical analysis AGM and FEM

Extensive improvements in small-scale thermal systems in electronic circuits, automotive industries, and microcomputers conduct the study of microsystems as essential. Flow and thermic field characteristics of the coherent nanofluid-guided microchannel heat sink are described in this perusal. The porous media approximate was used to search the heat distribution in the expanded sheet and Cu: γ - AlOOH/water. A hybrid blend of Boehme copper and aluminum nanoparticles is evaluated to have a cooling effect on the microchannel heat sink. By using Akbari Ganji and finite element methods, linear and non-linear differential equations as well as simple dimensionless equations have been analyzed. The purpose of this study is to investigate the fluid and thermal parameters of copper hybrid solution added to water, such as Nusselt number and Darcy number so that we can reach the best cooling of the fluid. Also, by installing a piece of fin on the wall of the heat sink, the coefficient of conductive heat transfer and displacement heat transfer with the surrounding air fluid increases, and the efficiency of the system increases. The overall results show that expanding values on the NP (series heat transfer fluid system maximizes performance with temperatures) volume division of copper, as well as boehmite alumina particles, lead to a decrease within the stream velocity of the Cu: AlOOH/water. Increasing the volume fraction of nanoparticles in the hybrid mixture decreases the temperature of the solid surface and the hybrid nanofluid. The Brownian movement improves as the volume percentage of nanoparticles in the hybrid mixture grows, spreading the heat across the environment. As a result, heat transmission rates rise. As the Darcy number increases, the thermal field for solid sections and Cu: AlOOH/water improves.

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来源期刊
CiteScore
6.20
自引率
2.90%
发文量
545
审稿时长
12 weeks
期刊介绍: An international journal devoted to rapid communications on novel and original research in the field of mechanics. TAML aims at publishing novel, cutting edge researches in theoretical, computational, and experimental mechanics. The journal provides fast publication of letter-sized articles and invited reviews within 3 months. We emphasize highlighting advances in science, engineering, and technology with originality and rapidity. Contributions include, but are not limited to, a variety of topics such as: • Aerospace and Aeronautical Engineering • Coastal and Ocean Engineering • Environment and Energy Engineering • Material and Structure Engineering • Biomedical Engineering • Mechanical and Transportation Engineering • Civil and Hydraulic Engineering Theoretical and Applied Mechanics Letters (TAML) was launched in 2011 and sponsored by Institute of Mechanics, Chinese Academy of Sciences (IMCAS) and The Chinese Society of Theoretical and Applied Mechanics (CSTAM). It is the official publication the Beijing International Center for Theoretical and Applied Mechanics (BICTAM).
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