Journal of Industrial and Environmental Chemistry

Journal of Industrial and Environmental Chemistry 44 7897 074717

Pulse Detonation Engine

Pulse detonation engine (PDE) is a type of propulsion system which uses the detonation waves to combust the fuel and oxidizer mixture. The engine of which is pulsed because the mixture must be renewed in the combustion chamber between each detonation wave and the next. Theoretically, the pulse detonation engine can operate from subsonic up to a hyper-sonic flight speed of roughly Mach 5. An ideal pulse detonation engine design consists of a thermodynamic efficiency higher than other designs like turbojets and turbofans because a detonation wave rapidly compresses the mixture and adds heat at constant volume. Continuously, moving parts like compressor spools are not necessarily required in the engine, which could significantly reduce overall weight and cost. Pulse detonation engine have been considered for propulsion since 1940.

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