Abstract
The model of calculation of thickness and heat exchange coefficient of turbulent film moving under the action of gravity and tangential friction stress of gas flow is constructed. The purpose of the work is to include additional damping caused by the turbulence intermittency and damping characteristic for small Reynolds numbers in the previously proposed simple model of the turbulent viscosity with the cubic law of attenuation in a viscous sublayer and with logarithmic velocity asymptotic away from the wall. The deviation of the calculation results from the experimental data available in the literature decreases when the additional damping is introduced.
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