Figure 10
From: Effect of Hele–Shaw cell gap on radial viscous fingering

Schematic of a radial flow in a gap-width b radial HS cell. At the centre of the cell, a less viscous fluid is injected with a constant flow velocity U.
From: Effect of Hele–Shaw cell gap on radial viscous fingering
Schematic of a radial flow in a gap-width b radial HS cell. At the centre of the cell, a less viscous fluid is injected with a constant flow velocity U.