Abstract
Large eddy simulation of turbulent free round jet has been performed to study statistical properties of turbulence, including third-order structure functions. It has been shown the presence of a zone within the jet initial region where the spectral flux of turbulent energy is directed from smaller scales toward larger ones and the longitudinal third-order structure function becomes positive. Energy spectra calculated in this zone demonstrate the E(k) approximately k(-3) law specific for two-dimensional turbulence.
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