FIELD: aviation. SUBSTANCE: tip is provided with generator of vortex flow which is opposite to sense of rotation of tip vortex. Generator is made in form of nacelle provided with swirling apparatus at high ratio of blade height to inner diameter of nacelle; swirling apparatus is actuated by incoming flow. EFFECT: enhanced efficiency. 2 cl, 6 dwg
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Authors
Dates
1997-02-10—Published
1993-04-14—Filed