the nearby #CylinderWall it will sweep back over & ignite any unburnt A/F that the #FlameFront hasn't reached & will continue this game of #RadicalTag w unburnt A/F until it's all 🔥 or #ExhaustValve opens.
📖 #SAEinternational #Knock: A Century of Research
03-15-01-0004
#KnockKnock
Who's there?
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Bad free radicals like to play with 🔥 by disrupting #FlamePropagation after ignition of the air/fuel mix ➡️ #CombustionChamber of #InternalCombustionEngines by reacting w unburnt A/F ➡️ 🔥 ahead of the #FlameFront.
#Autoignition - #knock - CAN ➡️ #supersonic pressure wave & when it bounces off
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#Oxygen tumbled down the polished runners, enchanted by the sparkling #crown jewels.
But this time... Ignition of the #FlameFront occurred as predicted 🔥
#FlamePropagation was controlled & perfectly in sync with piston travel.
All thanks to the newest orchestra member
#Hydrogen
