DEVELOPMENT OF A FICH PROTECTION DEVICE DESIGN

Abstract

The water intake structure is a functional element of the water supply system, but it must also be a fish protection object. The following basic requirements are imposed on the devices of modern fish protection devices at water intakes: prevention of ingress and death of young fish and larvae, prevention of injury to young fish and larvae, removal of protected fish from water intake, reliability of operation under specific conditions and means. According to the principle of operation, the most effective is the active scheme, with the forced formation of the hydraulic flow structure. The design of a universal combined type device with the use of a jet generator as a flow-forming element that creates a reactive hydraulic movement designed to protect fish and juveniles with a body size of less than 15 mm is proposed.