Abstract
Experiments were performed on the initiation of a heterogeneous detonation wave propagating through mixtures of liquid fuel and a gaseous oxydizer. The liquid fuel tested was kerosene in the forms of a spray and a film attached on tube walls. The ignition was performed by oxyhydrogen detonation. The effects of the content of oxygen in the oxydizer were investigated. It was found that for pure oxygen as an oxydizer, detonation waves were established by the combustion of kerosene, but for an oxydizer with a small amount of oxygen, only low Mach number shock waves with combustion waves following after were formed. For the former case, the ignition was initiated by the strong shock wave front, but for the latter case, the liquid phase seemed to be ignited by the combustion products of the initiator gas.
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