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English"In the work presented in this Note, an Indirect Turbulence Model (ITM) is proposed to. derive the mean velocity profiles in wall-bounded flows in hydraulically smooth channels. having a very wide rectangular cross section. The analytical expression of the mean velocity. distribution is given. The connection between the velocity distribution parameters and. Reynolds’ number is indicated. The thickness of the viscous sublayer is evaluated. The skin. friction coefficient is computed, and the analytical expression of the turbulent viscosity. coefficient is provided.. The validity of the proposed model is verified with reference to the velocity distributions,. available in the literature, obtained with Direct Numerical Simulation (DNS) of Navier–. Stokes’ equations."
| Titolo: | Mean velocity profiles of two-dimensional fully developed turbulent flows | |
| Autori: | ||
| Data di pubblicazione: | 2012 | |
| Rivista: | ||
| Abstract: | "In the work presented in this Note, an Indirect Turbulence Model (ITM) is proposed to. derive the mean velocity profiles in wall-bounded flows in hydraulically smooth channels. having a very wide rectangular cross section. The analytical expression of the mean velocity. distribution is given. The connection between the velocity distribution parameters and. Reynolds’ number is indicated. The thickness of the viscous sublayer is evaluated. The skin. friction coefficient is computed, and the analytical expression of the turbulent viscosity. coefficient is provided.. The validity of the proposed model is verified with reference to the velocity distributions,. available in the literature, obtained with Direct Numerical Simulation (DNS) of Navier–. Stokes’ equations." | |
| Handle: | http://hdl.handle.net/11697/89760 | |
| Appare nelle tipologie: | 1.1 Articolo in rivista |
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http://hdl.handle.net/11697/89760
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