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On the influence of a large scale coherent vortex on the turbulent cascade
large scale coherent vortex turbulent cascade
2009/11/16
We investigate the flow between coaxial rotating disks in the situation where a strong axial vortex is present over a turbulent background. This is nonstationary and inhomogeneous as is common in most...
Structure function measurements of the intermittent MHD turbulent cascade
Structure function measurements intermittent MHD turbulent cascade
2009/11/13
The intertmittent nature of turbulence within solar wind plasma has been demonstrated by several studies of spacecraft data. Using magnetic field data taken in high speed flows at high heliographic la...
On the cascade mechanism of short surface wave modulation
cascade mechanism short surface wave modulation
2009/11/12
Modulation of short surface ripples by long surface or internal waves by a cascade mechanism is considered. At the first stage, the orbital velocity of the long wave (LW) adiabatically modulates an in...
The stochastic multiplicative cascade structure of deterministic numerical models of the atmosphere
stochastic multiplicative cascade structure deterministic numerical models atmosphere
2009/10/30
By direct statistical analysis we show that over almost all their range of scales and to within typically better than ±1%, atmospheric fields obtained from analyses and numerical integrations of atmos...