Characteristics of two-dimensional turbulence that self-organizes into vortex crystals
Experiments have found that freely relaxing turbulence in inviscid, incompressible two-dimensional Euler flows can self-organize into ordered structures-vortex crystals-in which a number N(c) approximately 2-20 of strong vortices form stable, rigidly rotating patterns in a low vorticity background. In this paper we show that N(c) can be roughly predicted from properties of the flows in the early stage of the turbulent relaxation.
Jin
DZ
Physics Department, University of California at San Diego, La Jolla, California 92093, USA.
Dubin
DH