Nonlinear adjustment of a thin annular film of viscous fluid surrounding a thread of another within a circular cylindrical pipe
作者： P. S. Hammond
DOI: 10.1017/S0022112083002451
关键词: Thin film 、 Lubrication theory 、 Viscous liquid 、 Optics 、 Surface tension 、 Nonlinear system 、 Fixed length 、 Thread (computing) 、 Materials science 、 Rotational symmetry 、 Mechanics
摘要: A nonlinear analysis, based on lubrication theory, is presented for the adjustment under surface tension of an initially uniform annular film viscous fluid confined within a circular cylindrical pipe. The surrounds thread another fluid. Small axisymmetric interfacial disturbances sufficiently long wavelength are found to grow, leading break-up continuous outer into number isolated rings fixed length pipe wall. implications rupture threads surrounded by moderately thin films in geometries discussed.
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