Experimental Study for Thermophysical Properties of ZrO2/Ethylene Glycol Nanofluid: Developing an ANFIS Modeling and Proposing New Correlations

IF 2.7 Q3 NANOSCIENCE & NANOTECHNOLOGY

Journal of Nanofluids Pub Date : 2023-06-01 DOI:10.1166/jon.2023.2018

L. Sundar, Hiren K. Mewada

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引用次数: 0

Abstract

Nanofluids are potential coolants for heat transfer applications because of their excellent thermal characteristics. Experimentally the thermophysical properties of ZrO2/ethylene glycol nanofluids are determined at 0.2%, 0.4%, 0.6%, 0.8%, and 1.0% vol. concentrations. A two-step method is used to prepare the stable nanofluids. The ZrO2/EG nanofluids properties were estimated over temperature ranging from 20 °C to 60 °C. From the experimental data, a multi-layer perceptron feed-forward back propagation artificial neural network was developed. Additionally, new correlations were proposed for all the thermophysical properties. The experimental analysis showed that thermal conductivity is enhanced by 19.6% at 60 °C and viscosity is enhanced by 86.62% at 20 °C at 1.0% vol. of nanofluid, density is enhanced by 4.9%, and specific heat is decreased by 4.2% at 1.0% vol. of nanofluid and at 60 °C, over base fluid data. The proposed ANN model succeeded in predicting the target property with minimum RMSE. The results of the developed artificial neural network and its correlation analysis perfectly agree with the experimental data.

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ZrO2/乙二醇纳米流体热物理性质的实验研究:建立ANFIS模型并提出新的相关性

纳米流体因其优异的热特性而成为传热应用的潜在冷却剂。实验测定了ZrO2/乙二醇纳米流体在0.2%、0.4%、0.6%、0.8%和1.0%体积浓度下的热物理性质。采用两步法制备稳定的纳米流体。ZrO2/EG纳米流体的性质在20 ~ 60℃的温度范围内进行了估计。根据实验数据，建立了多层感知器前馈-反向传播人工神经网络。此外，对所有热物理性质提出了新的相关性。实验分析表明，与基础液数据相比，在60°C条件下，纳米流体体积为1.0%，导热系数提高19.6%，粘度提高86.62%，密度提高4.9%，比热降低4.2%。所提出的人工神经网络模型能够以最小的RMSE预测目标的属性。所建立的人工神经网络及其相关分析结果与实验数据吻合较好。

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

Journal of Nanofluids NANOSCIENCE & NANOTECHNOLOGY-

自引率

14.60%

发文量

期刊介绍： Journal of Nanofluids (JON) is an international multidisciplinary peer-reviewed journal covering a wide range of research topics in the field of nanofluids and fluid science. It is an ideal and unique reference source for scientists and engineers working in this important and emerging research field of science, engineering and technology. The journal publishes full research papers, review articles with author''s photo and short biography, and communications of important new findings encompassing the fundamental and applied research in all aspects of science and engineering of nanofluids and fluid science related developing technologies.