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ISSN Druckformat: 1948-2590
ISSN Online: 1948-2604
EXPERIMENTAL INVESTIGATIONS OF EXTERNALLY BLOWN FLAP EFFICIENCY ON THE MODEL OF SHORT TAKEOFF AND LANDING TWIN-ENGINE TRANSPORT AIRCRAFT
ABSTRAKT
The results of experimental investigations of a model of short takeoff and landing (MSTOL) of a twin-engine medium transport aircraft with externally blown flaps by jets of ejector simulators of ultra-high bypass engines (M ≈ 16–18) in the TsAGI T-102 low-speed wind tunnel are presented. The principal features of the jet effect on the aerodynamic characteristics of the model in takeoff, landing, and cruising configurations are considered. The possibilities of active control of the aircraft aerodynamic characteristics using an adaptive element of high-lift devices in the form of a deflected wing trailing edge are shown. A comparative estimation of the aerodynamic characteristics of the MSTOL with two and four engines is carried out.
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