A blade vortex interaction (BVI) is an unsteady phenomenon of three-dimensional nature, which occurs when a rotor blade passes within a close proximity...

signature). Rotor noise Thickness noise Loading noise Broadband noise Blade-vortex interaction noise High-speed impulsive (HSI) noise Tail rotor noise Engine...

index, a term used in anthropometry Blind and/or visually impaired Blade-vortex interaction Brand visual identity, the visual presentation of a brand Borivali...

the blade tip vortices of the front propeller (blade-vortex interaction); using different numbers of blades on the two propellers, to avoid acoustic reinforcement;...

Blue Edge five-bladed main rotor. This incorporates a double-swept shape that reduces the noise generation of blade-vortex interactions (BVI), a phenomenon...

Vortex Bladeless Ltd. is a Spanish technology startup company that is developing a specific type of wind power generator without rotating blades or lubricants...

Tamás Gausz, Budapest University of Technology and Economics. Blade vortex interaction problem at helicopter rotors Archived 2011-07-21 at the Wayback...

technology. Its rotor blades incorporates a double-swept shape that reduces the noise generation of blade-vortex interactions (BVI), a phenomenon which...

computation of: Helicopter Blade—Vortex Interaction, Delta Wing Flow, Helicopter Rotor/Body Flow, Helicopter Body—Vortex Interaction, Dynamic Stall, Aircraft...

of a cyclone separator would indicate vortex instability. Large centrifugal fans sometimes use radial inlet blades that can be rotated to control the flow...