The Renormalization-Group Method in the Problem on Calculation of the Spectral Energy Density of Fluid Turbulenceстатья
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Дата последнего поиска статьи во внешних источниках: 11 апреля 2019 г.
Аннотация:In order to find the shape of energy spectrum within the framework of the model of stationary homogeneous isotropic turbulence, the renormalization-group equations, which reflect the Markovian nature of the mechanism of energy transfer along the wavenumber spectrum, are used in addition to the dimensional considerations and the energy balance equation. For the spectrum, the formula depends on three parameters, namely, the wavenumber, which determines the upper boundary of the range of the turbulent energy production, the spectral flux through this boundary, and the fluid kinematic viscosity.