blown flap

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blown flap

blown flap
A flap over which air is discharged to prevent boundary-layer separation and to improve the performance of the flap. Air is blown over the upper surface of the flap only. The efficiency of the system depends on the quantum and the speed of blown air.
References in periodicals archive ?
These include the boundary layer control system of the ShinMaywa US-1A
These include the boundary layer control system of the ShinMaywa US-1A Kai amphibian, currently in development by the Japanese Navy; and the prototype of the Sikorsky X2 Technology high-speed compound rotorcraft, which is due to make its maiden flight by the end of the year.
The CTS800 also provides the boundary layer control system for the ShinMaywa US-2 amphibian aircraft, currently in production and in service with the Japanese Navy.
The CTS800 also provides the boundary layer control system for the ShinMaywa US-2 amphibian, currently in use by the Japanese Navy, and is the prototype engine for the Sikorsky X2 Technology high-speed compound rotorcraft, which made its maiden flight in August 2008.

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