Time Evolution of Fully-Developed Turbulence
نویسندگان
چکیده
منابع مشابه
Interoccurrence time statistics in fully-developed turbulence
Emergent extreme events are a key characteristic of complex dynamical systems. The main tool for detailed and deep understanding of their stochastic dynamics is the statistics of time intervals of extreme events. Analyzing extensive experimental data, we demonstrate that for the velocity time series of fully-developed turbulent flows, generated by (i) a regular grid; (ii) a cylinder; (iii) a fr...
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We extend the numerical simulations of She et al. (1993)] of highly turbulent ow with 15 Taylor-Reynolds number Re 200 up to Re 45 000, employing a reduced wave vector set method (introduced earlier) to approximately solve the Navier-Stokes equation. First, also for these extremely high Reynolds numbers Re , the energy spectra as well as the higher moments { when scaled by the spectral intensit...
متن کاملCorrigendum: Interoccurrence time statistics in fully-developed turbulence
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متن کاملSynchronization of chaos in fully developed turbulence.
We investigate chaos synchronization of small-scale motions in the three-dimensional turbulent energy cascade, via pseudospectral simulations of the incompressible Navier-Stokes equations. The modes of the turbulent velocity field below about 20 Kolmogorov dissipation lengths are found to be slaved to the chaotic dynamics of larger-scale modes. The dynamics of all dissipation-range modes can be...
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Kolmogorov's phenomenological theory for the energy spectrum in a turbulent fluid in three dimensions is perhaps the single most successful theoretical attempt to comprehend fully developed turbulence. (1) Nevertheless it fails to account for certain fluctuation effects (" intermittency ") that are seen experimentally in three dimensions3 2) Furthermore, it is formulated in such general terms t...
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ژورنال
عنوان ژورنال: Progress of Theoretical Physics
سال: 1983
ISSN: 0033-068X,1347-4081
DOI: 10.1143/ptp.70.961