1.
Phys Rev Lett
; 84(22): 5134-7, 2000 May 29.
Artigo
em Inglês
| MEDLINE
| ID: mdl-10990885
RESUMO
We investigate the effect of drag force on the enstrophy cascade of two-dimensional Navier-Stokes turbulence. We find a power law decrease of the energy wave number (k) spectrum that is faster than the classical (no-drag) prediction of k(-3). It is shown that the enstrophy cascade with drag can be analyzed by making use of a previous theory for finite lifetime passive scalars advected by a Lagrangian chaotic fluid flow. Using this we relate the power law exponent of the energy wave number spectrum to the distribution of finite time Lyapunov exponents and the drag coefficient.
2.
3.
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics
; 51(1): 325-331, 1995 Jan.
Artigo
em Inglês
| MEDLINE
| ID: mdl-9962649
4.
Phys Rev E Stat Phys Plasmas Fluids Relat Interdiscip Topics
; 49(3): 2062-2069, 1994 Mar.
Artigo
em Inglês
| MEDLINE
| ID: mdl-9961447
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