Iranian Journal of Mechanical Engineering Transactions of ISME

Iranian Journal of Mechanical Engineering Transactions of ISME

Homogenization and heat transfer analysis of coiled carbon nanotube reinforced polyethylene nanocomposite

Authors
university of Tehran, college of engineering, school of mechanical engineering
Abstract
The purpose of this study is modeling the effective thermal conductivity of coiled carbon
nanotube (CCNT) reinforced polyethylene nanocomposite through finite element approach.
Coiled carbon nanotubes are distributed using Monte Carlo algorithm in a uniform manner with
different aspect ratios, volume fractions, geometries and distributions of nanoparticles in
polyethylene via developing script codes. Using finite element method, thermal analysis is
conducted. According to the results, it is shown that increasing the volume fraction, aspect ratio,
inner or outer diameter of the CCNTs, thermal conductivity coefficient is increased. Which for
0.71% volume fraction of the CCNTs, thermal conductivity of the nanocomposite increases by
9.35%. While inner or outer diameter of the CCNT, has a slight effect on the thermal
conductivity of the nanocomposite by 1%. By increasing the radius of the CCNTs from 15 to
30 nm, thermal conductivity coefficient of the nanocomposite decreases by 2.7%.
Keywords

Subjects


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  • Receive Date 03 November 2018
  • Revise Date 21 October 2019
  • Accept Date 23 December 2020