Rotating detonation engine
Type of rocket engine / From Wikipedia, the free encyclopedia
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A rotating detonation engine (RDE) is an engine using a form of pressure gain combustion, where one or more detonations continuously travel around an annular channel. Computational simulations and experimental results have shown that the RDE has potential in transport and other applications.[1][2]
In detonative combustion, the results expand at supersonic speed. It is theoretically more efficient than conventional deflagrative combustion by as much as 25%.[3] Such an efficiency gain would provide major fuel savings.[4][5]
Disadvantages include instability and noise.