Surface tension effects in the zero gravity inflow of a drop into a fluid
Anno: 2000
Autori: Residori S., Pampaloni E., Buah Bassuah PK., Arecchi F.T.
Affiliazione autori: Istituto Nazionale di Ottica, Largo E. Fermi 6, 50125 Firenze, Italy;
INLN, UMR, CNRS, Universit de Nice-Sophia Antipolis, 1361, Route des Lucioles, 06500 Valbonne, France;
Department of Physics, University of Firenze, Italy;
Department of Physics, University of Cape Coast, Ghana
Abstract: As a drop of fluid is deposited on the surface of a miscible fluid (that we call the solvent), it undergoes a strong pulling due to its surface rupture and it acquires a kinetic energy independently of gravity. For the drop and the solvent being of the same fluid we observe a drop injection at an initial velocity which scales as the square root of the surface tension of the drop against air. Once injected, the drop develops a transverse instability giving rise to an expanding ring. Viscosity terminates the process and stops the ring. We show that the final ring height follows a scaling law whereas two asymptotical scaling regimes can be identified for the ring radius.
Giornale/Rivista: EUROPEAN PHYSICAL JOURNAL B
Volume: 15 (2) Da Pagina: 331 A: 334
Parole chiavi: Miscible displacements; Break-up; LiquidDOI: 10.1007/s100510051133Citazioni: 9dati da “WEB OF SCIENCE” (of Thomson Reuters) aggiornati al: 2024-04-28Riferimenti tratti da Isi Web of Knowledge: (solo abbonati) Link per visualizzare la scheda su IsiWeb: Clicca quiLink per visualizzare la citazioni su IsiWeb: Clicca qui