Abstract
Ejector systems have proven themselves in various industries for their simplicity, reliability and environmental friendliness. To increase the efficiency of the emergency core cooling systems of innovative projects of nuclear power plants with water-water energetic reactor, the pump-ejector system can be used, but to achieve design indicators for maximum water flow and pressure, it is necessary to operate jet devices in cavitation mode. The article presents the results of bench tests of ejectors with single-barrel and multi-barrel nozzles, as well as their pressure characteristics. A recommendation is given on the use of ejectors with multi-barrel nozzles and an increased cavitation injection coefficient in emergency core cooling systems for nuclear reactors. Keywords: ejector; jet pump; emergency core cooling systems; nuclear power; environmentally friendly technologies.
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