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Title

Prediction of Thermal conductivity of nanofluids by molecular dynamic simulation

Year: 1390
COI: ICHEC07_492
Language: EnglishView: 433
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Authors

Maziyar Koohi bushehri - Department of Chemical Engineering, Shahid Bahonar University of Kerman, Kerman ,Iran
Ali Mohebbi - Department of Chemical Engineering, Shahid Bahonar University of Kerman, Kerman ,Iran
Hassan Hashemipour Rafsanjani - Department of Chemical Engineering, Shahid Bahonar University of Kerman, Kerman ,Iran

Abstract:

A theoretical approach based on molecular dynamics modeling, for the estimation of the thermal conductivity of liquids by the introduction of nanofuids is proposed. Algorithms are developed for simulating the nanofluid abiding the procedural steps of the molecular dynamics method. The method is presented as a solution to the generic problem of thermal conductivity enhancement of liquids in the presence of nanoparticles, and illustrated using a specific simulation procedure with properties representing using nanoparticles. In the present work we prepare water molecules in initial FCC structure and we assumed an initial velocity for molecules and used calculated potential energy balance and the Newton’s second law of motion to figure the intermolecular forces and calculated the electrostatic interactions between water molecules by Ewald sum method and it gave a potential energy 1.5 times bigger than Sankar et al.’s work. The calculation of thermal conductivity using the molecular dynamics simulation is compared with Maxwell model, Sankar et al.’s work and experimental data by the errors of 4.1% , 1.6% and 12% respectively.

Keywords:

Nanofluid, Molecular Dynamic simulation, Thermal conductivity

Paper COI Code

This Paper COI Code is ICHEC07_492. Also You can use the following address to link to this article. This link is permanent and is used as an article registration confirmation in the Civilica reference:

https://civilica.com/doc/341242/

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Koohi bushehri, Maziyar and Mohebbi, Ali and Hashemipour Rafsanjani, Hassan,1390,Prediction of Thermal conductivity of nanofluids by molecular dynamic simulation,07th International Congress on Chemical Engineering,Kish Island,https://civilica.com/doc/341242

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