Fragmentation instability of a liquid drop falling inside a heavier miscible fluid | Zendy

Paul K. Buah-Bassuah | Zendy; René S. Rojas | Zendy; S. Residori | Zendy; F. T. Arecchi | Zendy

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Fragmentation instability of a liquid drop falling inside a heavier miscible fluid

Author(s) -

Paul K. Buah-Bassuah,

René S. Rojas,

S. Residori,

F. T. Arecchi

Publication year - 2005

Publication title -

physical review e

Language(s) - English

Resource type - Journals

eISSN - 1550-2376

pISSN - 1539-3755

DOI - 10.1103/physreve.72.067301

Subject(s) - drop (telecommunication) , instability , mechanics , liquid drop , fragmentation (computing) , falling (accident) , spinning drop method , materials science , physics , thermodynamics , pressure drop , computer science , medicine , telecommunications , environmental health , operating system

4 pagesWe report a new type of drop instability, where the density difference between the drop and the solvent is negative. We show that the drop falls inside the solvent down to a minimum height, then fragmentation takes place and secondary droplets rise up to the surface. We have developed a theoretical model that captures the essential of the phenomenon and predicts the correct scalings for the rise-up time and the minimum height

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