FIELD: machine building.
SUBSTANCE: nozzle is made in form of a cone confuser with cylindrical output channel, in which the output channel axis is displaced relatively to the confuser axis by distance from 0.15 to 0.5 of channel diameter creating transition zone in area of crossing of the confuser cone surface and channel cylindrical surface. In the nozzle the angle of the cone confuser is set from 20° to 90°, and length of the nozzle output channel does not exceed 3 nozzle diameters.
EFFECT: creation of spiral jet with increased resistance and reach distance.
14 cl, 1 dwg
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