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

Paul K. Buah-Bassuah, RENE GABRIEL ROJAS CORTES, Stefania Residori, F. T. Arecchi

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

We report a different 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 essentials of the phenomenon and predicts the correct scalings for the rise-up time and the minimum height.

Original languageEnglish
Article number067301
JournalPhysical Review E - Statistical, Nonlinear, and Soft Matter Physics
Volume72
Issue number6
DOIs
StatePublished - 1 Dec 2005

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