FIELD: gas turbine engines. SUBSTANCE: adjustable nozzle of gas turbine engine has fairing, outer and inner flaps connected to each other for relative angular displacement. Holes are made in outer flaps and in fairing. Maximum size of hole is not greater than 0.5 of thickness of outer flap and fairing, respectively. Axes of holes in outer flaps can be arranged at acute angle or at obtuse angle to longitudinal axis of nozzle in direction to nozzle outlet section. Outer and inner flaps are interconnected at side of nozzle outlet section either by means of flexible strip, or by hinge with seal placed between flaps. EFFECT: improved reliability of nozzle in operation by improving ventilation of inter-flap space and decreasing temperature of nozzle parts. 4 cl, 5 dwg
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Authors
Dates
2002-06-10—Published
2001-03-07—Filed