Molecular dynamics study of thermal properties of nanofluids composed of one-dimensional (1-D) network of interconnected gold nanoparticles

R. Essajai; I. Tabtab; A. Mzerd; O. Mounkachi; N. Hassanain; M. Qjani

Results in Physics (Dec 2019)

Molecular dynamics study of thermal properties of nanofluids composed of one-dimensional (1-D) network of interconnected gold nanoparticles

R. Essajai,
I. Tabtab,
A. Mzerd,
O. Mounkachi,
N. Hassanain,
M. Qjani

Affiliations

R. Essajai: Group of Semiconductors and Environmental Sensor Technologies – Energy Research Center (ERC), Faculty of Science, Mohammed V University, B. P. 1014, Rabat, Morocco; Corresponding author.
I. Tabtab: Department of Chemistry, Faculty of Sciences, Ibn Tofail University, BP 133, 14000 Kenitra, Morocco
A. Mzerd: Group of Semiconductors and Environmental Sensor Technologies – Energy Research Center (ERC), Faculty of Science, Mohammed V University, B. P. 1014, Rabat, Morocco
O. Mounkachi: LaMCScI, Faculty of Science, Mohammed V University, B. P. 1014, Rabat, Morocco
N. Hassanain: Group of Semiconductors and Environmental Sensor Technologies – Energy Research Center (ERC), Faculty of Science, Mohammed V University, B. P. 1014, Rabat, Morocco
M. Qjani: LCMP, Faculty of Sciences, Chouaïb Doukkali University, B. P. 20, El Jadida, Morocco

Journal volume & issue: Vol. 15

Abstract

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In this Letter, Equilibrium Molecular Dynamics (EMD) simulations were used to investigate the nanoparticle volume fraction-dependent thermal conductivity of nanofluids composed of one-dimensional (1-D) network of interconnected gold nanoparticles (IAuNPs) within the Green–Kubo formula. Thermal conductivities of nanofluids containing spherical AuNPs were also studied for comparison. The results showed that the 1D network shape of IAuNPs improves the nanofluid thermal conductivity better than the spherical shape of AuNP. The mechanism responsible for this finding is discussed using the Mean-Square-Displacement (MSD) analysis and the Radial-Distribution-Function (RDF). Keywords: 1D network of interconnected gold nanoparticles, Argon-based nanofluid, Thermal conductivity, Diffusion coefficient, Molecular dynamics simulations

Published in Results in Physics

ISSN: 2211-3797 (Online)
Publisher: Elsevier
Country of publisher: Netherlands
LCC subjects: Science: Physics
Website: http://www.journals.elsevier.com/results-in-physics/

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