Mysak I. Hydraulic modeling of stormwater drainage systems considering the runoff regulation

In the dissertation were developed new and improved known methods of modeling stormwater runoff from urban catchments, considering the regulatory influence of detential structures of drainage systems. The results of the research are important to ensure the reliability of the drainage systems in urban conditions and taking into account climate changes. The three-dimensional sector method allows to model runoff hydrographs from urbanized runoff subcatchements of any configuration and with an arbitrary elevation scheme. Average generalized dimensionless runoff hydrographs were experimentally obtained on the physical model of the subcatchment, as well as the dependence for calculation of the maximum flow rate regulation coefficient of the surface runoff from typical impervious subcatchments. By processing the results of natural surveys of some districts of the Lviv city, a functional dependence between the total and effective imperiousness was obtained. The method of estimation of the maximum daily depth of the precipitation layer, as a function of the return period, by means the statistical processing of long-term hydrometeorological data was proved.