期刊
INTERNATIONAL COMMUNICATIONS IN HEAT AND MASS TRANSFER
卷 117, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.icheatmasstransfer.2020.104798
关键词
Molecular dynamics simulation; Nanofluid; Argon; Copper; Thermal conductivity; Dynamical manner
It is important to study the effects of the nanoparticles on Ar base-fluid thermodynamic manner. The outcomes of the atomic properties calculated by using the molecular dynamics approach and LAMMPS computational package. For the study of Ar/Cu nanofluid atomic properties, we reported physical parameters such as total temperature, potential energy, density, number of Ar atoms at gas phase, heat flux and thermal conductivity of Ar/Cu nanofluid. Physically, Cu nanoparticles cause phase transition in a shorter time rather than base-fluid. So, our results show that the presence of nanoparticles in base-fluid is an essential parameter in a nanofluid thermal manner in confined space. Numerically, by adding Cu nanoparticles to Ar fluid, the rate of base-fluid density increases from 0.00018 number/Angestrom(3) to 0.00019 Number/Angestrom(3). Moreover, the value of thermal conductivity of Ar/Cu nanofluid reaches to 0.016 W/mK. Finally, we concluded that in the confined space thermal manner of Ar/Cu, nanofluid improves with adding Cu nanoparticles to Ar fluid.
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