A model of sturgeon distribution under a dam of a hydro-electric power plant

This article is dedicated to the question of passage of sturgeon through a dam of a hydro-electric power plant (HPP) during spawning migrations. A model of distribution of water velocity in the tail water of HPP was constructed. On the basis of this model a model of sturgeon distribution under a dam of HPP was created. The latter model was analyzed numerically in conformity with the largest HPP on the Volga river-Volgograd's HPP (Russia). The results of analysis allowed estimation of sturgeon passage from the tail water to the head race. Measures for increase of effectiveness of this process were elaborated