Particle-shape-, temperature-, and concentration-dependent thermal conductivity and viscosity of nanofluids

被引：35

作者：

Mirmohammadi, Seyed Aliakbar ^{[1
]}

Behi, Mohammadreza ^{[2
]}

Gan, Yixiang ^{[1
]}

Shen, Luming ^{[1
]}

机构：

[1] Univ Sydney, Sch Civil Engn, Sydney, NSW 2006, Australia

[2] Univ Sydney, Sch Chem & Biol Engn, Sydney, NSW 2006, Australia

来源：

PHYSICAL REVIEW E | 2019年 / 99卷 / 04期

基金：

澳大利亚研究理事会;

关键词：

IRREVERSIBLE-PROCESSES; DYNAMICS; SILVER; NANOPARTICLES; PERFORMANCE; LIQUID; SIZE; NONEQUILIBRIUM; AUGMENTATION; MECHANICS;

D O I：

10.1103/PhysRevE.99.043109

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

In this study, using the Green-Kubo-method-based molecular dynamics simulations, correlations for predicting the thermophysical properties of nanofluids are developed based on particle shape, fluid temperature, and volume concentration. Silver nanofluids with various nanoparticle shapes including spheres, cubes, cylinders, and rectangular prisms are investigated. The numerical study is conducted within the concentration range 0.14-1.4 vol % and temperature range 280-335 K. The relative thermal conductivity and relative viscosity predicated by the proposed correlations are within a mean deviation of 2% and 5%, respectively, as compared with the experimental results from this study and the available literature. The proposed correlation will be a useful tool for engineers in designing the nanofluids for different applications in industry.

引用

页数：15

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