It’s a fast controlled burn with forces that could cause much destruction but is instead directed into rotational movement. The difference between an engine knocking and not knocking is pretty small, so I’d argue either both cases are explosions or neither are. Explosion isn’t a very scientific word anyway
Not that I trust Google, but I did a search and the first result said “A detonation is an explosion where the flame speed is greater than the speed of sound.”
That implies there can also be explosions that are subsonic
I also found this wiki page https://en.m.wikipedia.org/wiki/Explosion
Deflagration is listed as just that. And cars run on Deflagration, so therefore they run on explosions
this is not true. They run on controlled burns. When explosions happen that’s the engine knocking, which is a bad thing
It’s a fast controlled burn with forces that could cause much destruction but is instead directed into rotational movement. The difference between an engine knocking and not knocking is pretty small, so I’d argue either both cases are explosions or neither are. Explosion isn’t a very scientific word anyway
it’s a fast controlled burn propagating subsonically. Which is what makes it a burn instead of a detonation.
Not that I trust Google, but I did a search and the first result said “A detonation is an explosion where the flame speed is greater than the speed of sound.”
That implies there can also be explosions that are subsonic
I also found this wiki page https://en.m.wikipedia.org/wiki/Explosion Deflagration is listed as just that. And cars run on Deflagration, so therefore they run on explosions
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