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Finger competition dynamics in rotating Hele-Shaw cells

Abstract:

The development of interfacial instabilities in rotating Hele-Shaw cells were investigated. A differential equation describing the early nonlinear evolution of the interface was also derived, in terms of three relevant dimensionless parameters which are viscosity contrast A, surface tension B, and gap spacing b. It was found that the link between finger competition and A, B, and b can be revealed by a mechanism based on the enhanced growth of subharmonic perturbations. The condition of vanish...

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Publisher copy:
10.1103/PhysRevE.70.066308

Authors


Gadêlha, H More by this author
Miranda, JA More by this author
Journal:
Physical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume:
70
Issue:
6 2
Publication date:
2004-12-05
DOI:
EISSN:
1550-2376
ISSN:
1539-3755
URN:
uuid:8f51910c-c018-4b63-8285-c0a8b289fa2a
Source identifiers:
398244
Local pid:
pubs:398244
Language:
English

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