Rockets Can Burn at Extremely Hot Temperatures. So Why Don’t They Melt?

It's called rocket science, people.
Deniz Yildiran

Have you ever wondered how hot it can get inside a combustion chamber before it helps a rocket engine fulfill its purpose and send a giant rocket into space? The answer is about 3500K (3226.85°C), and that is enough to melt any material on Earth. But how does a rocket engine survive this heat without getting destroyed? This question's answers are quite impressive, which once again proves that it's called rocket science for a reason. Thanks, engineers!

There are a couple of ways to prevent it, as the YouTube channel Everyday Astronaut explains. One way to do this is to build the combustion chamber's interior metal walls thick enough to let the heat pass through without damaging the chamber. This method is called heat sink cooling, which enables the walls to endure high temperatures of heat for a certain period of time. 

If you want to know more about the other options, make sure you watch the video above. Enjoy!


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