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Investigation of temperature statistics in turbulent Rayleigh-Bénard convection using PDF methods

Title data

Lülff, Johannes ; Wilczek, Michael ; Friedrich, Rudolf:
Investigation of temperature statistics in turbulent Rayleigh-Bénard convection using PDF methods.
In: Journal of Physics: Conference Series. Vol. 318 (2011) Issue 8 . - No. 082008.
ISSN 1742-6596
DOI: https://doi.org/10.1088/1742-6596/318/8/082008

Abstract in another language

Rayleigh-Bénard convection in the turbulent regime is studied using statistical methods. Exact evolution equations for the probability density function of temperature and velocity are derived from first principles within the framework of the Lundgren-Monin-Novikov hierarchy. The unclosed terms arising in the form of conditional averages are estimated from direct numerical simulations. Focussing on the statistics of temperature, the theoretical framework allows to interpret the statistical results in an illustrative manner, giving deeper insight into the connection between dynamics and statistics of Rayleigh-Bénard convection.

Further data

Item Type: Article in a journal
Refereed: Yes
Additional notes: Themenheft: Convection, rotation, stratification and buoyancy effects
Institutions of the University: Faculties > Faculty of Mathematics, Physics und Computer Science > Department of Physics > Chair Theoretical Physics I > Chair Theoretical Physics I - Univ.-Prof. Dr. Michael Wilczek
Profile Fields > Advanced Fields > Nonlinear Dynamics
Result of work at the UBT: No
DDC Subjects: 500 Science > 530 Physics
Date Deposited: 23 Feb 2022 09:38
Last Modified: 23 Feb 2022 09:38
URI: https://eref.uni-bayreuth.de/id/eprint/67568