• PURPOSE:
  • Characterize the atomistic behavior of fluids and gases constrained to flow through nanometer sized cavities
    
    
• APPROACH :
  • MD simulation
  • helium or argon flow in graphite tubes (buckytubes)
    
    
• RESULTS:
  
  • flow rate depends on fluid density and tube diameter
  • He flows faster than Ar
  • fluid slows down more quickly in dynamic tubes
  • fluid flow supresses low-frequency modes in tubes
  • effective viscosity must include wall interactions

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