CFD Analysis of Liquid-Cooled Heatsink Using Nanofluids in Computer Processors

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2023-06-26 DOI:10.24200/sci.2023.60327.6739

Gulnaz Topcu, U. Ercetin, Cisil Timuralp

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Abstract

In this study, a computer model of the Zalman ZM-WB3 Gold heat exchanger which is one of the liquid-cooled computer processors in the market has been generated and the model has been confirmed by the previous researchers’ models and experimental data. Then, the fin thickness and heights of the same heat exchanger and the type of liquid fluid in which the heat exchanger operates have been changed. The CFD analyzes of the new models were performed by using Ansys Fluent 17.1 program. Following that, nano heat removal (cooling) performances were investigated with models using rectangular fin fluid heat exchangers with different fin heights of 5 mm, 5.5 mm and 5.7 mm, and different fin thicknesses of 1.2 mm, 1.4 mm, 1.6 mm, 1.8 mm and 2 mm, and different fluids as water, copper oxide-water (CuO-H 2 O) nanofluids with volume ratios of 2.25% and 0.86%, and graphene oxide (GO-H 2 O) nanofluid with the volume ratio of 0.01%. It was concluded that the best CPU cooler performance could be achieved by using CuO - H 2 O as nanofluid with a volumetric ratio of 2.25% with a heat exchanger that has a 5.5 mm fin height and 2.0 mm fin thickness.

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计算机处理器中使用纳米流体的液冷散热器的CFD分析

本研究建立了市面上液冷计算机处理器之一的Zalman ZM-WB3 Gold换热器的计算机模型，并通过前人的模型和实验数据对模型进行了验证。然后，同一换热器的翅片厚度和高度以及换热器工作的液体流体类型都发生了变化。采用Ansys Fluent 17.1程序对新模型进行CFD分析。在此基础上，研究了矩形翅片流体换热器的纳米散热(冷却)性能。矩形翅片流体换热器的翅片高度分别为5mm、5.5 mm和5.7 mm，翅片厚度分别为1.2 mm、1.4 mm、1.6 mm、1.8 mm和2mm，流体为水、体积比分别为2.25%和0.86%的氧化铜-水(cuo - h2o)纳米流体和体积比分别为0.01%的氧化石墨烯(go - h2o)纳米流体。结果表明，采用体积比为2.25%的CuO - h2o作为纳米流体，翅片高度为5.5 mm，翅片厚度为2.0 mm的换热器，可以获得最佳的CPU冷却器性能。

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

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.