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Vortex generators are most often used to delay flow separation.To accomplish this they are often placed on the external surfaces of vehicles [4] and wind turbine blades. On both aircraft and wind turbine blades they are usually installed quite close to the leading edge of the aerofoil in order to maintain steady airflow over the control surfaces at the trailing edge. [3]
A view of three vortilons on the wing of a Cozy MKIV aircraft Vortilons are often used to improve low-speed aileron performance, [ 1 ] [ 7 ] thereby increasing resistance to spin . They can be used as an alternative to wing fences , which also restrict airflow along the span of the wing. [ 1 ]
On aircraft with swept wings, wing tip stall also produces an undesirable nose-up pitching moment which hampers recovery from the stall. Washout may be accomplished by other means e.g. modified aerofoil section, vortex generators, leading edge wing fences, notches, or stall strips. This is referred to as aerodynamic washout.
A plasma actuator induces a local flow speed perturbation, which will be developed downstream to a vortex sheet. As a result, plasma actuators can behave as vortex generators. The difference between this and traditional vortex generation is that there are no mechanical moving parts or any drilling holes on aerodynamic surfaces, demonstrating an ...
Nose, wing and ventral strakes Vortices over the wing strakes of an F/A-18E Super Hornet. In aviation, a strake is an aerodynamic surface generally mounted on the fuselage of an aircraft to improve the flight characteristics either by controlling the airflow (acting as large vortex generators) or by a simple stabilising effect.
Vortex devices. Vortex devices maintain airflow at low speeds and delay the stall, by creating a vortex which re-energises the boundary layer close to the wing. Vortex generator: small triangular protrusion on the upper leading wing surface; usually, several are spaced along the span of the wing. Vortex generators create additional drag at all ...
Wings of more than 8 or 9 aspect ratio features other devices to complete the cuff effect, [17] for example stall strips (as used on the Cirrus SR22 and Cessna 400), "Rao slots" (as used on the Questair Venture), vortex generators or segmented droop (as used on a NASA modified Cessna 210). In the case of the high aspect ratio Cessna 210 wing ...
Agricultural aircraft version. [1] G1 SPYL Wheel-equipped version introduced at the Aero show held in Friedrichshafen in 2010 and named for the two designers of the aircraft model, Serge Present and Yvan Lhermitte. The SPYL replaces the Gelinotte's wing, which is equipped with leading edge slots, with a new wing equipped with vortex generators ...