6a746864_Jet_engine___Engineering__Type
[Description] Similar to a pulsejet, but combustion occurs as a detonation instead of a deflagration, may or may not need valves [Advantages] Maximum theoretical engine efficiency [Disadvantages] Extremely noisy, parts subject to extreme mechanical fatigue, hard to start detonation, not practical for current use [Type] 
Pulse detonation engine
Jet engine - Engineering
Type