Spillway hydraulic performance assessments of the Belogorsk reservoir

Abstract

The article presents the calculation of the hydraulic performance of the spillway structure of the Belogorsk reservoir, one of the largest freshwater bodies on the Crimean Peninsula. Due to its geographical location and natural features, Crimea has always been and remains one of the poorest regions of Russia with water resources and water delivery to the consumers is a priority. Hydraulic performance assessment of the spillway structure is carried out for two design cases: 1) with a variable upstream water level rate and a fully open gate with a = 1.00 m; 2) with a constant upstream water level (UWL) equals highest water level (HWL) and a variable value of the shutter opening. Based on the results of determining the hydraulic performance of the water intake structure, the maximum discharge flow rate (at the mark UWL equals HWL) was obtained, which was Q = 6.06 m3 / s, which is 1% higher than the design data of the throughput of the structure (Q = 6.00 m3 / s) and the total throughput of all spillway structures is Qtotal = 79.32 m3 / s, which differs from the design data by less than 1% and indicates the accuracy and reliability of the obtained data.