Auto-ignition is one of the challenges still inhibiting the application of LPP combustion in aero-engine turbines. In this context, the auto-ignition phenomenon in a droplet-laden reactive flow was investigated. The test rig used for this investigation has optical access to the reaction zone and allows systematic parametric studies of auto-ignition. The investigations are focused on a detailed understanding of the local conditions under which auto-ignition of fuel spray may occur.
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