Coalescence of Two Viscous Cylinders by Capillarity: Part II, Shape Evolution

Autor: Robert W. Hopper
Rok vydání: 1993
Předmět:
Zdroj: Journal of the American Ceramic Society. 76:2953-2960
ISSN: 1551-2916
0002-7820
Popis: The theoretical geometry of the creeping plane-flow coalescence of two viscous cylinders driven by surface tension is described. Normalized results are given for initial diameter ratios D = (1,2,5,20, [infinity]). Typical shapes are displayed. Time-dependencies of geometric features, and interrelationships between them, are presented graphically. The following features are noted: the relationships between reduced time and most dimensions depend rather weakly on D. There is no undercutting at the neck. Two-dimensional Frenkel theory is seriously incorrect. The theory describes experiments accurately for small times, but differences eventually appear. Their sources are uncertain.
Databáze: OpenAIRE