Table 1: Basic assumptions and parameters for numerical analyses.

Problem type Flow Free surface (VOF) Model options Transient condition = transient Rotation reference input Reference pressure = 100000 N/m2 Surface tension Volume conditions Secondary fluid VOF input Boundary conditions Inlet = fixed pressure default Outlet = fixed pressure default Rotating wall input Fluid volume fraction Contact angle for fluid 2 input Initial conditions IC applied = volume by volume Fluid 1 input default Fluid 2 input default Volume VOF