Abstract
Performance of boron-based solid rocket ramjet was carried out by the ground direct connection test rig. Through SEM and EDS analysis of condensed products on the insulation wall of the second combustion chamber, the change of carbonization structure of insulation and the deposition of condensed particles along the axis were researched. Experiment results show that porosity of the carbonized layer become larger and the structure becomes loose along flow direction. The deposition of condensed particles on the insulation wall is increased, and the deposition is obvious at nozzle entrance.
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