Capillary instability of thin liquid film on a cylinder

Alexander L. Yarin*, Alexander Oron, Philip Rosenau

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

The capillary instability of a thin liquid layer on a cylinder is studied. Using an integral approach and lubrication approximation, transport equations governing the spatiotemporal evolution of a film thickness and the temperature along the film are obtained. Evolution of the system under both isothermal and nonisothermal conditions is studied numerically. It is shown that nonlinear interaction of the linearly unstable modes begets an additional mode with a wavelength equal to that of the fastest growing wave. This, in turn, causes the formation of satellite drops along with the main ones. Application of these results in a possible continuous technology of high-temperature superconductor wire fabrication is discussed.

Original languageEnglish
Pages (from-to)91-98
Number of pages8
JournalPhysics of fluids. A, Fluid dynamics
Volume5
Issue number1
DOIs
StatePublished - 1992
Externally publishedYes

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