Microscopical static properties of the confined fluids in nanometer tubes
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Abstract:
The static properties of the confined in the nanometer cylinder tubes are investigated by molecular dynamics simulation. The modified LennardJones potential function is adopted to describe the interaction between fluidfluid and fluidsolid. In which, the introduced parameter α can be adjusted to change the wetting intensity between the fluids and solid solid wall. Furthermore, the microscopic properties of the fluids in the nanometer tube are characterized by the density distribution, the pair distribution function and the axial velocity distribution. The results show that the interaction strength of the atoms between the fluids and solid wall has a significant influence on the microscopic properties of the fluids as well changes the microscopic state in the different radial region and the motional properties of the atoms consisted of the fluids in the tube.
