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Lagrangian investigation of two-dimensional decaying turbulence

Title data

Wilczek, Michael ; Kamps, Oliver ; Friedrich, Rudolf:
Lagrangian investigation of two-dimensional decaying turbulence.
In: Physica D: Nonlinear Phenomena. Vol. 237 (2008) Issue 14-17 . - pp. 2090-2094.
ISSN 0167-2789
DOI: https://doi.org/10.1016/j.physd.2008.01.013

Abstract in another language

We present a numerical investigation of two-dimensional decaying turbulence in the Lagrangian framework. Focusing on single particle statistics, we investigate Lagrangian trajectories in a freely evolving turbulent velocity field. The dynamical evolution of the tracer particles is strongly dominated by the emergence and evolution of coherent structures. For a statistical analysis we focus on the Lagrangian acceleration as a central quantity. For more geometrical aspects we investigate the curvature along the trajectories. We find strong signatures for the self-similar universal behavior. (c) 2008 Elsevier B.V. All rights reserved.

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 07:49
Last Modified: 18 Feb 2022 07:49
URI: https://eref.uni-bayreuth.de/id/eprint/67558