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Suppression of thermally excited capillary waves by shear flow.

Abstract:

We investigate the thermal fluctuations of the colloidal gas-liquid interface subjected to a shear flow parallel to the interface. Strikingly, we find that the shear strongly suppresses capillary waves, making the interface smoother. This phenomenon can be described by introducing an effective interfacial tension that increases with the shear rate. The increase of sigma(eff) is a direct consequence of the loss of interfacial entropy caused by the flow, which affects especially the slow fluctu...

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Publication status:
Published

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Authors


Lekkerkerker, HN More by this author
Journal:
Physical review letters
Volume:
97
Issue:
3
Pages:
038301
Publication date:
2006-07-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:a9d7d62c-bfd8-4463-b07b-344ca5a18123
Source identifiers:
52387
Local pid:
pubs:52387

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