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Dynamical origins for non-Gaussian vorticity distributions in turbulent flows

Title data

Wilczek, Michael ; Friedrich, Rudolf:
Dynamical origins for non-Gaussian vorticity distributions in turbulent flows.
In: Physical Review E. Vol. 80 (2009) Issue 1 . - No. 016316.
ISSN 1550-2376
DOI: https://doi.org/10.1103/PhysRevE.80.016316

Abstract in another language

We present results on the connection between the vorticity equation and the shape and evolution of the single-point vorticity probability density function. The statistical framework for these observations is based on the classical hierarchy of evolution equations for the probability density functions by Lundgren, Novikov, and Monin combined with conditional averaging of the unclosed terms. The numerical evaluation of these conditional averages provides insights into the intimate relation of dynamical effects such as vortex stretching and vorticity diffusion and non-Gaussian vorticity statistics.

Further data

Item Type: Article in a journal
Refereed: Yes
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: 18 Feb 2022 10:28
Last Modified: 18 Feb 2022 10:28
URI: https://eref.uni-bayreuth.de/id/eprint/67581