The Ridiculous Engineering Of Jet Engines
Veritasium · 2 则 HN 推荐
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Veritasium explains how jet engines run hotter than their components' melting points, using cooling air and single-crystal superalloy turbine blades. It covers how the blades are grown as aligned crystals.
HN 推荐的原因： Commenters send it to people asking how engines survive such temperatures, and call it fascinating and worth watching.
“is absolutely fascinating & well worth a watch” 阅读 HN 讨论 ↗