interdigitation (Fingering)
interdigitation (Fingering). Most commonly the term is interdigitation Viscose (viscous fingering). also used as a translation: pitting Viscous Fingering Fingering and channel. terms used in miscible displacement processes, when a viscous fluid displaced by a less viscous, the advancing front leaves a time shift from uniform and the displacing fluid moves faster in some places than in others forming long and narrow areas in the form of fingers. hence the name entered. interdigitation occurs in permeable sand or rock of uniform.
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