| 摘要 |
A gas turbine engine exhaust nozzle (28) includes coaxial inner and outer conduits (2,1). The inner conduit (2) has a main outlet (20) at an aft end thereof, and a row of radial apertures (4) spaced upstream from the outlet. The outer conduit (1) has an auxiliary outlet (10) at an aft end thereof, and surrounds the inner conduit (2) over the apertures (4) to form a bypass channel (36) terminating at the auxiliary outlet (10). A plurality of flaps (5) are hinged at upstream ends thereof to selectively cover and uncover corresponding ones of the apertures (4) and selectively bypass a portion of exhaust flow from the inner conduit (2) through the outer conduit (1) in confluent streams from both the main and auxiliary outlets (20,10).
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