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← TechnologyIn pulse detonation engines, which issue occurs due to incomplete deflagration-to-detonation transition?
A)Reduced thermal efficiency cycles✓
B)Increased NOx pollutant emissions
C)Elevated turbine blade resonance
D)Decreased structural cooling needs
💡 Explanation
Less impulse occurs because an incomplete deflagration-to-detonation transition yields subsonic combustion and thus less pressure rise, and reduced the ideal Brayton heating process. Therefore, thermal efficiency is lowered rather than increased emissions or higher temperatures.
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