Moist Rayleigh-Benard Convection

etc15 Tracking Number 298

Presentation:
Session: Atmospheric turbulence 2
Room: Room C
Session start: 15:00 Tue 25 Aug 2015

Prasanth Prabhakaran   prasanth.prabhakaran@ds.mpg.de
Affifliation: Max Planck Institute for Dynamics and Self-Organisation
Florian Winkel   florian.winkel@ds.mpg.de
Affifliation: Max Planck Institute for Dynamics and Self-Organisation
Alexei Krekhov   alexei.krekhov@ds.mpg.de
Affifliation: Max Planck Institute for Dynamics and Self-Organisation
Holger Nobach   holger.nobach@ds.mpg.de
Affifliation: Max Planck Institute for Dynamics and Self-Organisation
Eberhard Bodenschatz   eberhard.bodenschatz@ds.mpg.de
Affifliation: Max Planck Institute for Dynamics and Self-Organisation

Topics: - Atmospheric turbulence, - Geophysical and astrophysical turbulence, - Turbulence in multiphase and non-Newtonian flows, - Thermally driven turbulence

Abstract:

We report the observations from turbulent thermal Rayleigh-Benard convection experiment with a two-phase liquid-vapor binary mixture. Evaporation/condensation processes in a turbulent convection are accompanied by the formation of cloud like structures above the liquid-vapor interface. We also found that a liquid film condensation on the underside of the top plate results in regular hexagonal patterns of falling droplets.