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Dissipation in dynamics of a moving contact line.

Abstract:

The dynamics of the deformations of a moving contact line is studied assuming two different dissipation mechanisms. It is shown that the characteristic relaxation time for a deformation of wavelength 2pi/|k| of a contact line moving with velocity v is given as tau(-1)(k)=c(v)|k|. The velocity dependence of c(v) is shown to depend drastically on the dissipation mechanism: we find c(v)=c(v=0)-2v for the case in which the dynamics is governed by microscopic jumps of single molecules at the tip (...

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Theoretical Physics
Role:
Author
Journal:
Phys Rev E Stat Nonlin Soft Matter Phys
Volume:
64
Issue:
3 Pt 1
Pages:
031601
Publication date:
2001-09-05
ISSN:
1539-3755
URN:
uuid:6cf4b88a-4c27-4603-8cce-c33c2cf03051
Source identifiers:
155968
Local pid:
pubs:155968
Language:
English

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