FIELD: engine production.
SUBSTANCE: invention relates to engine production, in particular to the method for operation and the design of nozzles with the expiration of masses for various engines. The nozzle of the engine with the expiration of the masses contains a narrow and wide part. The nozzle on the narrow side has inlet openings leading to the channels for supplying the flow of liquid or gas, which lead to spiral grooves inside the nozzle. At the same time, the winding pitch of the turns of the spiral grooves is constantly increasing, as the nozzle diameter increases. The angle of inclination of the turns relative to the horizon is the same, along the entire length of the nozzle grooves.
EFFECT: use of the invention makes it possible to increase the thrust of a jet, turbojet or water jet engine, as well as a screw propeller by using the centrifugal force of gas or liquid flows along spiral grooves inside the nozzle.
1 cl, 5 dwg
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