blown flap

(redirected from Boundary layer control system)

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 ?
It was built in the mid 1980s to be fully operational 1986 and was upgraded with a more powerful fan and a five belt boundary layer control system (BLCS) in 2006, as described by Sterneus et al.
Figure 5 shows the displacement thickness across the tangential blower slot behind each wheel drive unit for the empty tunnel with all boundary layer control systems active.
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.
The CTS800 also provides the boundary layer control system for the ShinMaywa US-2 amphibian aircraft, currently in development by the Japanese Navy, and is the prototype engine for the Sikorsky X2 high-speed technology development rotorcraft that made its maiden flight in August 2008.
The design of the test section floor with the boundary layer control systems and the rolling road remained the same and also the airline was not modified.

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