Health is wealthWorking of a Cryogenic Engine
The cryogenic engine gets its name from the extremely cold temperature at which liquid nitrogen is stored. The Air moving around in the vehicle is used to heat liquid nitrogen to a boil. Once it begins boiling, it turns into gas in the same way that heated water forms steam in steam engine. A rocket like Ariane 5 uses oxygen and hydrogen, both stored as cryogenic liquid, to produce its power. The liquid nitrogen stored at -320 Deg Fahrenheit, is vaporized by the heat exchanger. Nitrogen gas formed in the heat exchanger expands to about 700 times the volume of its liquid form. This highly pressurized gas is then fed to expander, where the force of the nitrogen gas is converted into mechanical power.
