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Pumping Of Water Through Carbon Nanotubes By Rotating Electric Field And Rotating Magnetic Field
Xiaoping Li, G. Kong, X. Zhang, G. He
Published 2013 · Physics
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Using molecular dynamics simulations, we demonstrate pumping of water through a carbon nanotube by applying the combination of a rotating electric field and a rotating magnetic field. The driving force is a Lorentz force generated from the motion of charges in the magnetic field, and the motion is caused by the rotation of the electric field. We find that there exits a linear relationship between the average pumping velocity v and magnetic field strength B, which can be used to control the flux of the continuous unidirectional water flow. This approach is expected to be used in liquid circulation without a pressure gradient.
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