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Simultaneous breakup of multiple viscous threads surrounded by viscous liquid
Author(s) -
Knops Yolanda M. M.,
Slot Johan J. M.,
Elemans Pierre H. M.,
Bulters Markus J. H.
Publication year - 2001
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690470806
Subject(s) - breakup , thread (computing) , mechanics , viscous liquid , wavelength , viscosity , phase (matter) , physics , materials science , optics , engineering , thermodynamics , mechanical engineering , quantum mechanics
A scenario is proposed for the simultaneous breakup process of an arrangement of parallel viscous threads. At very close distances, threads will break up via an “in‐phase” mode, that is, droplets will be formed at the same axial positions along the threads. In the case of threads that are further apart, breakup will occur via an “out‐of‐phase” mode, that is, on neighboring threads droplets will be formed at axial positions that are shifted by one‐half of a wavelength. The smaller the viscosity ratio between the thread phase and the continuous phase, the closer the threads must be to break up via this in‐phase mode. This scenario agrees with recent experimental results.