Molecular dynamics simulations of gas flow in nanochannel with a Janus interface | Zendy

Hui Xie | Zendy; Chao Liu | Zendy

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Molecular dynamics simulations of gas flow in nanochannel with a Janus interface

Author(s) -

Hui Xie,

Chao Liu

Publication year - 2012

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4765664

Subject(s) - hagen–poiseuille equation , janus , wetting , flow (mathematics) , mechanics , fluid dynamics , viscosity , plug flow , materials science , molecular dynamics , mass flow , desorption , nanofluidics , janus particles , chemical physics , chemistry , thermodynamics , nanotechnology , physics , adsorption , composite material , computational chemistry , organic chemistry

It is interesting to investigate fluid flow in nanochannel with a Janus interface (NCJI), especially when considering the asymmetric situations of wettability in the biology. The simulation results show that the temperature has a significant influence on the particle number near the hydrophilic surface because the desorption increases with the fluid temperature, while the external force has a little influence on the mass distribution. Because the viscosity of gas increases with temperature, the flow velocity of gas in NCJI decreases as the wall temperature increases. The flow in NCJI is neither Poiseuille-like nor plug-flow behaviors. This particular form of flow may be able to help us invent new nano-devices

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