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Boundary conditions for free surface inlet and outlet problems

Abstract:

We investigate and compare the boundary conditions that are to be applied to free-surface problems involving inlet and outlets of Newtonian fluid, typically found in coating processes. The flux of fluid is a priori known at an inlet, but unknown at an outlet, where it is governed by the local behaviour near the film-forming meniscus. In the limit of vanishing capillary number Ca it is well known that the flux scales with Ca 2/3, but this classical result is non-uniform as the contact angle ap...

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Publication status:
Published

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Publisher copy:
10.1017/jfm.2012.275

Authors


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Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Inst
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Mathematical Inst
Role:
Author
Journal:
JOURNAL OF FLUID MECHANICS
Volume:
708
Pages:
100-110
Publication date:
2012-10-10
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
URN:
uuid:9b3c7267-012a-4767-bed3-5f1012f113d1
Source identifiers:
341023
Local pid:
pubs:341023
Language:
English
Keywords:

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