Experimental investigation of strut-cavity flameholder technology in liquid hydrocarbon fueled scramjet combustor

The basic of scramjet propulsion, steady combustion is one of the key technologies in liquid hydrocarbon fueled scramjet. Experimental investigations on the flame stability were conducted using direct-connected test model combustor. Various fuel injection modes and strut-cavity flameholder schemes were investigated in the test. Results showed that the kerosene was ignited successfully and stable combustion was sustained at low flight Mach number (Ma 0=4~5) conditions.