Capillary lubrication of a spherical particle near a fluid interface

HIGHLIGHTS

• What: The authors focus on the case where the bottom layer is extremely derivative d(t) viscous compared to the top layer, i.e. ηsl ≫ η, and is infinitely thick compared to the gap between the sphere and the undeformed interface. To understand the parametric influence of the Bond number Bo, the authors explore the behaviors of the interface deflection for both small and large Bo values. CAPILLARY-LUBRICATION FORCES AND TORQUES Since the zeroth-order forces and torques acting on the sphere are identical to the known ones for the motion near a rigid, flat and no . . .
  

   

  

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