The effect of imposed temperature difference on thermal conductivity in armchair single-walled carbon nanotube

Ali Mehri (), Maryam Jamaati () and Moslem Moradi ()
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Ali Mehri: Department of Physics, Faculty of Science, Noshirvani University of Technology, 47148 Babol, Iran
Maryam Jamaati: Department of Physics, Iran University of Science and Technology, Narmak 16345, Tehran, Iran
Moslem Moradi: Department of Physics, Zanjan University, 45196 Zanjan, Iran

International Journal of Modern Physics C (IJMPC), 2015, vol. 26, issue 09, 1-9

Abstract: Thermal conductivity of carbon nanotubes depends on various factors. The simulation of heat transport in armchair single-walled carbon nanotube by direct nonequilibrium molecular dynamics (NEMD) method employing Tersoff–Brenner potential indicates that, thermal conductivity decreases with increase in temperature difference between two ends of the tube. Increasing the imposed temperature differential along the tube axis, leads to domination of Umklapp scattering and impacts the heat transport. The applied temperature difference does not influence the behavior of thermal conductivity vs. tube length, diameter and temperature, but changes its value.

Keywords: Thermal conductivity; nanotube; molecular dynamics; 65.80.+n; 61.46.Fg; 63.22.+m; 66.70.+f (search for similar items in EconPapers)
Date: 2015
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Citations: View citations in EconPapers (1)

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DOI: 10.1142/S0129183115501053

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