Electronic Resource
New York, NY
:
American Institute of Physics (AIP)
Physics of Fluids
5 (1993), S. 608-621
ISSN:
1089-7666
Source:
AIP Digital Archive
Topics:
Physics
Notes:
Decaying two-dimensional turbulence is characterized by the emergence of coherent vortices, which subsequently dominate the evolution. The temporal scaling behavior of the flow is analyzed using a scaling theory, a long-time integration of the fluid equations, and a dissipative, modified point-vortex model that represents the turbulence as a system of interacting coherent structures. Good agreement is found in the behavior of average vortex properties, low-order moments of the flow fields, and the form of self-similar evolution.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.858647
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