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carbon nanotubes 1

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Temperature difference-powered carbon nanotube bearings

Quanwen HOU, Bingyang CAO, Zengyuan GUO

Frontiers in Energy 2011, Volume 5, Issue 1, Pages 49-52 doi: 10.1007/s11708-010-0111-0

Abstract: Molecular dynamics simulations are conducted to study the motion of carbon nanotube-based nanobearings powered by temperature difference. When a temperature difference exists between stator nanotubes, the rotor nanotubes acquire a higher temperature, which arises from the interaction between phonon currents and nanotubes. The thermal driving force increases with the increase in temperature difference between the stators, an increase that is nearly proportional to the temperature difference. Confined by the minimum energy track, the (5, 5)@(10, 10) nanotube bearings only translate along the axis direction but without successive rotation.

Keywords： temperature difference-induced motion carbon nanotubes nanobearing molecular dynamics simulation