Accession Number : ADD002363

Title :   Automatic Boundary Layer Control in an Ejector Wing Aircraft.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON D C

Personal Author(s) : Viets,Hermann

Report Date : 02 Mar 1976

Pagination or Media Count : 5

Abstract : The patent concerns an ejector wing, for an aircraft, having inlet and diffuser doors which move from an open take-off configuration to a closed forward flight configuration and having hypermixing nozzles and root nozzles for supplying primary air into a plurality of channels in the wing structure. Apparatus is provided for controlling the air flow from the root nozzles in the boundary layer in the channels. Plurality of sensing ports is provided in the channels upstream of the root nozzles. The differential pressures at the sensing ports are used to divide the flow to the root nozzles on opposite sides of the channels.

Descriptors :   *Thrust augmentor nozzles, *Vertical takeoff aircraft, *Patents, Wings, Airfoils, Boundary layer control, Inlets, Diffusers, Doors, Flow fields

Subject Categories : V/STOL

Distribution Statement : APPROVED FOR PUBLIC RELEASE