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Today in our new rubric #TechnologyTuesday we present the injector of our Cryogenic Propulsion Team! ❄️⠀ ⠀ This pintle injector is used to inject liquid oxygen oxidizer and bio-ethanol fuel in the combustion chamber where the fluids react. During an engine test, the copper pintle allows a flow of roughly 660 grams per second of liquid oxygen in radial direction. Around the pintle a film of ethanol is formed, which is injected axially at a rate of roughly 440 grams per second. The reaction of these propellants results in a thrust of 250 kg and a temperature in the chamber of over 3000 degrees Celsius!⠀ ⠀ #rocket #rockets #engineering #daretudelft #amazing #cool #injectors #technology #student #tech #cryogenic #propulsion

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