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

IF 1.4 4区工程技术 Q2 ENGINEERING, MULTIDISCIPLINARY

Scientia Iranica 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

Scientia Iranica 工程技术-工程：综合

CiteScore

2.90

自引率

7.10%

发文量

审稿时长

2 months

期刊介绍： The objectives of Scientia Iranica are two-fold. The first is to provide a forum for the presentation of original works by scientists and engineers from around the world. The second is to open an effective channel to enhance the level of communication between scientists and engineers and the exchange of state-of-the-art research and ideas. The scope of the journal is broad and multidisciplinary in technical sciences and engineering. It encompasses theoretical and experimental research. Specific areas include but not limited to chemistry, chemical engineering, civil engineering, control and computer engineering, electrical engineering, material, manufacturing and industrial management, mathematics, mechanical engineering, nuclear engineering, petroleum engineering, physics, nanotechnology.