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Viscous fingering and dendritic growth under an elastic membrane
2017
Journal of Fluid Mechanics
We present an experimental investigation of interfacial fingering instabilities in a compliant channel, where the interface can adopt a planar front orthogonal to the direction of propagation over most of the channel width. Finite-length fingers develop on that front, similarly to the previously studied radial configuration with injection of air at constant flow rate (Pihler-Puzović et al., Phys. Rev. Lett., vol. 108 (7), 2012, 074502), but, unlike the radial case, the interface propagates
doi:10.1017/jfm.2017.468
fatcat:ii7cslb6kvajdfxszesvjfepcu