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You are here: Home / Seminars / Experimental physics and modelling / Lagrangian Rayleigh-Bénard convection: a theoretical study

Lagrangian Rayleigh-Bénard convection: a theoretical study

Sergio Chibbaro (Institut Jean Le Rond d’Alembert, Université Pierre et Marie Curie, Paris 6)
When Jan 20, 2015
from 10:45 to 12:00
Where Centre Blaise Pascal
Attendees Sergio Chibbaro
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Using passive tracers as sensors, we obtain Lagrangian measurements of tracers position, velocity and temperature in Rayleigh-Bénard convection at Ra ~ 107-109. We report on statistics of temperature, velocity, and heat transport (Nusselt number). We observe that the Nusselt number is characterized by a largely intermittent behavior, likely due to the interaction of temperature with turbulent velocity fluctuations.

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