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← ScienceWhich outcome arises when supersonic airflow separates inside scramjet?
A)Combustion instability becomes increasingly probable✓
B)Laminar flow becomes slightly re-established
C)Exhaust velocity correspondingly decreases linearly
D)Thermal efficiency marginally improves thereafter
💡 Explanation
Combustion instability becomes increasingly probable because separated flow inherently generates turbulence that intensely mixes fuel/air via **turbulent diffusion**. The increased mixing causes pressure oscillations that feedback on the flame structure; therefore instability increases rather than more stable combustion.
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