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← ScienceWhich risk increases when injecting fuel into a rocket engine combustion chamber at high velocity?
A)Unstable combustion via turbulent mixing✓
B)Detonation due to fuel preheating
C)Erosion from laminar flame quenching
D)Icing caused by rapid cooling
💡 Explanation
Unstable combustion rises because the high-velocity injection promotes turbulence exceeding stable combustion limits; this increases the mixing rate of fuel and oxidizer via turbulent mixing causing erratic burning, therefore unstable combustion is a risk, rather than a more controlled detonation.
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