Convergent-divergent turboreactor nozzle

摘要

The nozzle (1) has follow-up divergent flaps (4b) interposed between control flaps and having a structure in box with internal and external radial walls. The divergent flaps provide lateral openings to deliver cooling air in direction of an internal side of control divergent flaps (4a) for cooling them. The radial walls are inserted into each other at level of their lateral ends for sliding with respect to each other.