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Numerical Investigation of the Microscopic Heat Current Inside a Nanofluid System Based on Molecular Dynamics Simulation and Wavelet Analysis
Analytical Chemistry ( IF 6.7 ) Pub Date : 2018-03-19 00:00:00 , DOI: 10.1021/acs.analchem.7b05350 Tao Jia 1 , Di Gao 2
Analytical Chemistry ( IF 6.7 ) Pub Date : 2018-03-19 00:00:00 , DOI: 10.1021/acs.analchem.7b05350 Tao Jia 1 , Di Gao 2
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Molecular dynamics simulation is employed to investigate the microscopic heat current inside an argon–copper nanofluid. Wavelet analysis of the microscopic heat current inside the nanofluid system is conducted. The signal of the microscopic heat current is decomposed into two parts: one is the approximation part; the other is the detail part. The approximation part is associated with the low-frequency part of the signal, and the detail part is associated with the high-frequency part of the signal. Both the probability distributions of the high-frequency and the low-frequency parts of the signals demonstrate Gaussian-like characteristics. The curves fit to data of the probability distribution of the microscopic heat current are established, and the parameters including the mean value and the standard deviation in the mathematical formulas of the curves show dramatic changes for the cases before and after adding copper nanoparticles into the argon base fluid.
中文翻译：
基于分子动力学模拟和小波分析的纳米流体内部微观热流数值研究
分子动力学模拟用于研究氩铜纳米流体内部的微观热流。对纳米流体系统内部的微观热流进行小波分析。微观热电流的信号分解为两部分：一是近似部分；二是近似部分。另一个是细节部分。近似部分与信号的低频部分相关联，细节部分与信号的高频部分相关联。信号的高频部分和低频部分的概率分布都显示出类似高斯的特征。建立适合微观热电流概率分布数据的曲线，
更新日期：2018-03-19
中文翻译：
基于分子动力学模拟和小波分析的纳米流体内部微观热流数值研究
分子动力学模拟用于研究氩铜纳米流体内部的微观热流。对纳米流体系统内部的微观热流进行小波分析。微观热电流的信号分解为两部分：一是近似部分；二是近似部分。另一个是细节部分。近似部分与信号的低频部分相关联，细节部分与信号的高频部分相关联。信号的高频部分和低频部分的概率分布都显示出类似高斯的特征。建立适合微观热电流概率分布数据的曲线，
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