Volume 70, Number 6, June 2005
|Page(s)||775 - 781|
|Section||Electromagnetism, optics, acoustics, heat transfer, classical mechanics, and fluid dynamics|
|Published online||25 May 2005|
Droplet condensation in turbulent flows
CNRS, INLN - 1361 Route des Lucioles, 06560 Valbonne, France
2 Physics of Complex Systems, Weizmann Institute of Science - Rehovot 76100, Israel
3 INFM, Dipartimento di Fisica, Università degli Studi di Genova and INFN, Sezione di Genova - Via Dodecaneso 33, 16146 Genova, Italy
Accepted: 19 April 2005
The problem of droplet growth by condensation in a turbulent flow of nearly saturated vapour is addressed theoretically and numerically. We show how the presence of an underlying turbulent velocity field induces a correlation between droplet trajectories and supersaturation. This leads both to the enhancement of the droplet growth rate and to a fast spreading of the droplet size distribution.
PACS: 47.27.Eq – Turbulence simulation and modeling / 47.27.Gs – Isotropic turbulence; homogeneous turbulence
© EDP Sciences, 2005
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