Automatic boundary layer control in an ejector wing aircraft

Details Automatic boundary layer control in an ejector wing aircraft Automatic boundary layer control in an ejector wing aircraft

1975-06-19

1976-03-02

Blix, Trygve M.

Aeronautics and astronautics

Aircraft sustentation

Sustaining airfoils

60269, 137 152, 244 12R, 417189, B64C 2108

Patent

active

039413357

ABSTRACT:
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. A plurality of sensing ports are 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.

REFERENCES:
patent: 3402726 (1968-09-01), Barry
patent: 3770227 (1973-11-01), Von Ohain et al.
patent: 3819134 (1974-06-01), Throndson
patent: 3834834 (1974-09-01), Quinn

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