WORKING OF A SCRAMJET ENGINE (Seminar Hyperplanes)

Scramjet engine working

Scramjet operation simple diagram

Like a ramjet, a scramjet essentially consists of a constricted tube through which inlet air is compressed by the high speed of the vehicle, a combustion chamber where fuel is combusted, and a nozzle through which the exhaust jet leaves at higher speed than the inlet air. Also like a ramjet, there are few or no moving parts. In particular, there is no high-speed turbine, as in a turbofan or turbojet engine, that is expensive to produce and can be a major point of failure.Also there is no compressor for air compression.Thus it compress air by shock or by the shape of the inlet and fuel is injected and combustion occurs and air is expanded at higher velocities and is exhausted through the nozzle. Inlet, combustion and exit are at supersonic velocities.Thus scramjet is supersonic combustion ramjet engines.