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Motion of a contact line

 

作者: L. M. Pismen,   A. Nir,  

 

期刊: Physics of Fluids(00319171)  (AIP Available online 1982)
卷期: Volume 25, issue 1  

页码: 3-7

 

ISSN:0031-9171

 

年代: 1982

 

DOI:10.1063/1.863626

 

出版商: AIP

 

数据来源: AIP

 

摘要:

A multiscale expansion approach is applied to the solution of the free‐boundary Stokes’ problem describing flow in the vicinity of a moving contact line. A solution free of singularities is obtained for the case of a liquid advancing into an inviscid medium. The force singularity reported in earlier studies is relaxed as the dynamic contact angle approaches &pgr; in the immediate vicinity of the moving contact line. This solution formally breaks down at a nonvanishing viscosity ratio of the receding and advancing fluids, but it still holds approximately for the case of a volatile liquid advancing into gas when Stefan flow in the gas phase is taken into account.

 

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