Finger velocities in the lifting Hele–Shaw cell

Subrata K. Kabiraj and Sujata Tarafdar

Physica A: Statistical Mechanics and its Applications, 2003, vol. 328, issue 3, 305-314

Abstract: Velocities of viscous fingers growing in a lifting Hele–Shaw cell are studied. The plates are separated by a pneumatic cylinder arrangement exerting a constant force. It is observed that with air invading a non-Newtonian oil-paint, finger velocities show an anomalous behaviour, with a rapid growth towards the end of the process. The correlation coefficient between neighbouring fingers shows the dominant modes selected as the pattern develops.

Keywords: Viscous fingers; Hele–Shaw cell; Velocity correlation (search for similar items in EconPapers)
Date: 2003
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:328:y:2003:i:3:p:305-314

DOI: 10.1016/S0378-4371(03)00523-5

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