De Laval nozzle/Definition

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https://en.citizendium.org/wiki/index.php?title=De_Laval_nozzle/Definition&printable=yes
A definition or brief description of De Laval nozzle.

A de Laval nozzle is a tube, pinched in the middle, which is used to accelerate a hot, pressurized gas flowing through it to a supersonic  speed so as to maximize the amount of the hot inlet gas heat energy that is converted into exhaust gas kinetic energy.

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