Viscosity contrast effects on fingering formation in rotating Hele-Shaw flows

José A Miranda1, Enrique Alvarez-Lacalle

  • 1Laboratório de Física Teórica e Computacional, Departamento de Física, Universidade Federal de Pernambuco, Recife, Pernambuco 50670-901, Brazil. jme@df.ufpe.br

Summary

Numerical simulations reveal how viscosity contrast shapes fluid fingers in rotating Hele-Shaw cells. The study details finger morphology, length distribution, and pinch-off singularities, especially when the inner fluid is less viscous.

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