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Effect of thermocapillary stress on slip length for a channel textured with parallel ridges

Abstract:

We compute the apparent hydrodynamic slip length for (laminar and fully developed) Poiseuille flow of liquid through a heated parallel-plate channel. One side of the channel is textured with parallel (streamwise) ridges and the opposite one is smooth. On the textured side of the channel, the liquid is in the Cassie state. No-slip and constant heat flux boundary conditions are imposed at the solid–liquid interfaces along the tips of the ridges, and the menisci between ridges are conside...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1017/jfm.2017.8

Authors

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Institution:
University of Oxford
Division:
MPLS
Department:
Mathematical Institute
Sub department:
Mathematical Institute
Role:
Author
Publisher:
Cambridge University Press
Journal:
Journal of Fluid Mechanics More from this journal
Volume:
814
Pages:
301-324
Publication date:
2017-02-06
DOI:
EISSN:
1469-7645
ISSN:
0022-1120
Language:
English
Keywords:
Pubs id:
1105837
Local pid:
pubs:1105837
Deposit date:
2020-05-21

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