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On the liquid lining in fluid-conveying curved tubes

Abstract:

We consider axially uniform, two-phase flow through a rigid curved tube in which a fluid (air) core is surrounded by a film of a second, immiscible fluid (water): a simplified model for flow in a conducting airway of the lung. Jensen (1997) showed that, in the absence of a core flow, surface tension drives the system towards a configuration in which the film thickness tends to zero on the inner wall of the bend. In the present work, we demonstrate that the presence of a core flow, driven by a...

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Publication status:
Published

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Publisher copy:
10.1017/jfm.2011.346

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Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Inst
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Inst
Journal:
JOURNAL OF FLUID MECHANICS
Volume:
705
Pages:
213-233
Publication date:
2012-08-25
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
URN:
uuid:6c03099e-a415-49a2-a6e3-a2051bb97eff
Source identifiers:
199804
Local pid:
pubs:199804
Language:
English
Keywords:

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