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Observation of depth-induced properties in wave turbulence on the surface of a fluid
wave turbulence fluid surface depth-induced properties
2011/7/7
We report the observation of changes in the wave turbulence properties of gravity-capillary surface waves due to a finite depth effect. When the fluid depth is decreased, a hump is observed on the wav...
Search for conformal invariance incompressible two-dimensional turbulence
two-dimensional turbulence conformal invarianc incompressible SLE
2011/7/5
We present a search for conformal invariance in vorticity isolines of two-dimensional compressible
turbulence. The vorticity is measured by tracking the motion of particles that float at the surface ...
Reynolds number dependence of kinetic helicity decay in linearly forced turbulence
Reynolds number dependence linearly forced turbulence
2010/12/28
The decay of kinetic helicity is studied in numerical models of forced turbulence using either an externally imposed forcing function as an inhomogeneous term in the equations or, lternatively, a term...
A NOTE ON THE REGULARITY OF INVISCID SHELL MODEL OF TURBULENCE
NOTE ON THE REGULARITY INVISCID SHELL MODEL OF TURBULENCE
2014/4/4
In this paper we continue the analytical study of the sabra shell model of energy turbulent cascade initiated in [11]. We prove the global existence of weak solutions of the inviscid sabra shell model...
ANALYTIC STUDY OF SHELL MODELS OF TURBULENCE
Turbulence Dynamic models Shell models Navier–Stokes equations.
2014/4/4
In this paper we study analytically the viscous sabra shell model of energy turbulent cascade. We prove the global regularity of solutions and show that the shell model has finitely many asymptotic de...
Energy Spectrum of Quasi-Geostrophic Turbulence
Energy Spectrum Quasi-Geostrophic Turbulence
2014/4/4
We consider the energy spectrum of a quasi-geostrophic model of forced, rotating turbulent ow. We provide a rigorous a priori bound E(k) Ck2 valid for wave numbers that are smaller than a wave number...