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Explain the Laval nozzle (convergent-divergent nozzle).
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Solution:
Laval nozzle (convergent-divergent nozzle):
Laval nozzle is a convergent-divergent nozzle (named after de Laval, the swedish scientist who invented it) in which subsonic flow prevails in the converging section, critical or transonic conditions in the throat and supersonic flow in the diverging section.
Let p2 (= pc) = pressure …