Displacement of a viscoplastic fluid in an inclined slotvan de Fliert, B.W. and van den Berg, J.B. (1999) Displacement of a viscoplastic fluid in an inclined slot. European Study Group with Industry > 36th ESGI [Eindhoven 15/11/1999 - 19/11/1999]. Full text available as:
Abstract/SummaryThe steady displacement of one viscoplastic fluid by another is studied in an inclined channel. The aim is a prediction of the finger width from simple balance laws. It is argued that no accurate prediction can be acquired from the far field velocity profiles only, but that instead a calculation of the two dimensional behaviour near the free interface is needed. It is suggested that the static residual thickness can be determined from a minimization procedure for the dissipation in the system.
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