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Where we observe that helical turbulence prevails over inertial waves in forced rotating flows at high Reynolds and low Rossby numbers
J. Baerenzung, D. Rosenberg, P. D. Mininni +1
We present a study of spectral laws for helical turbulence in the presence of solid body rotation up to Reynolds numbers Re~1*10^5 and down to Rossby numbers Ro~3*10^-3. The forcin…
Helical rotating turbulence. Part II. Intermittency, scale invariance and structures
P. D. Mininni, A. Pouquet
We study the intermittency properties of the energy and helicity cascades in two 1536^3 direct numerical simulations of helical rotating turbulence. Symmetric and anti-symmetric ve…
The dynamics of unforced turbulence at high Reynolds number for Taylor-Green vortices generalized to MHD
A. Pouquet, E. Lee, M. E. Brachet +2
We study decaying magnetohydrodynamics (MHD) turbulence stemming from the evolution of the Taylor-Green (TG) flow generalized recently to MHD, with equal viscosity and magnetic res…
Modeling of anisotropic turbulent flows with either magnetic fields or imposed rotation
A. Pouquet, J. Baerenzung, J. Pietarila Graham +3
We present two models for turbulent flows with periodic boundary conditions and with either rotation, or a magnetic field in the magnetohydrodynamics (MHD) limit. One model, based…
Finite dissipation and intermittency in magnetohydrodynamics
P. D. Mininni, A. Pouquet
We present an analysis of data stemming from numerical simulations of decaying magnetohydrodynamic (MHD) turbulence up to grid resolution of 1536^3 points and up to Taylor Reynolds…
Persistent cyclonic structures in self-similar turbulent flows
P. D. Mininni, A. Pouquet
Invariance properties of a physical system govern its behavior: energy conservation in turbulence drives a wide distribution of energy among modes, as observed in geophysics, astro…