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  5. Mathematical model of a rainfall runoff from the runway in the presence of a crosswind

Mathematical model of a rainfall runoff from the runway in the presence of a crosswind

Ye.O. Shkvar, T.V. Kozlova
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The mathematical model and method of calculation of the rainfall flow on a flat inclined artificially rough surface in case of the crosswind presence is proposed. Elaborated model is based on a simplified form of the viscous liquid motion governing equations and semi-empirical description of turbulence together with accounting the phenomena of liquid flow and irregular surface structure interaction. A comparison of the results of the developed model application with experimental data has demonstrated the better levels of accuracy and universality in comparison with the calculating formulae of other authors.
Keywords: runoff, crosswind, slope of a surface, roughness, turbulence, mathematical model