[Joren_]

Hey

I'm implementing liquid-liquid flow, characterized with low interfacial tension and high viscosity differences, in microchannels. Since the dispersed phase has an asymmetric shape (see image) I think it is necessary to implement a dynamic contact angle. Which brings me to my 2 questions:
- Which boundary condition is more appropriate: dynamicAlphaContactAngle or dynamicKistlerAlphaContactAngle?
- How can I determine the uTheta for the former?

The physical meaning of uTheta has been questioned multiple times on this forum, however, actual values or how it is measured is nowhere explained (neither in scientific literature, this forum or openfoamwiki).

Thanks!