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Title:Why don't rocket engines melt? How engineers keep engines cool
Duration:26:31
Viewed:2,300,236
Published:13-01-2022
Source:Youtube

Rocket engines need to produce heat to function, after all, their only real purpose is to convert the chemical energy in the propellant into pressure and heat so they can produce thrust. And that brings up an obvious question! How in the heck do engines survive this heat? How did rocket scientists figure out how to keep an engine running continuously while harboring combustion inside it that’s hot enough to melt the very walls that are containing it?! Today we’re going to talk about the tricks engineers employ to keep rocket engines from melting. We’ll go over ablative cooling, regenerative cooling, film cooling, radiative cooling, heat sinks, and fuel to oxidizer ratios and show you some awesome examples of each. Here's an article version of this video - everydayastronaut.com/engine-cooling-methodes/ 00:00 - Intro / Timestamps 01:55 - Fuel to Oxidizer Ratio 07:20 - Ablative Cooling 10:30 - Regenerative Cooling 14:20 - Film Cooling 22:15 - Radiative Cooling 23:30 - Summary -------------------------- Want to support what I do? Consider becoming a Patreon supporter for access to exclusive livestreams, our discord channel and subreddit! - patreon.com/everydayastronaut Or become a YouTube member for some bonus perks as well! - youtube.com/channel/UC6uKrU_WqJ1R2HMTY3LIx5Q/join The best place for all your space merch needs! everydayastronaut.com/shop/ All music is original! Check out my album "Maximum Aerodynamic Pressure" anywhere you listen to music (Spotify, iTunes, Google Play, Amazon, etc) or click here for easy links - everydayastronaut.com/music

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