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INVESTIGATION ON THE IGNITION METHODS OF AEROSPIKE NOZZLE ENGINE

Tong Xiaoyan Ma Bin Zhang Guozhou (Beijing University of Aeronautics and Astronautics,Beijing 100083)  
The ignition system of aerospike nozzle engine should provide sufficient ignition source for more than ten segmented small combustors simultaneously and sustain combustion after the injection of main propellant.This paper suggests three ignition methods for aerospike nozzle engine.Combustion wave ignition system can provide the ignition of aerospike nozzle engine under the condition of little electric energy input,while gas dynamic resonance ignition system can ignite the aerospike nozzle engine without external energy.The torch produced by using spark plug to ignite small combustion chamber also can realize this goal with the advantage of adequate practical experience.Finally,this paper provides the experimental data and technological methods of using gas dynamic resonance igniter to ignite the aerospike nozzle engine.
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