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OH PLIF Imaging of Supersonic Combustion using Cavity Injection

O'Byrne, Sean; Stotz, Ingo; Neely, Andrew; Boyce, Russell R; Mudford, Neil; Houwing, A Frank


Planar laser-induced fluorescence of the hydroxyl radical is used to investigate a cavity-based fuel injection system for scramjet operation at a flight Mach number of 11.5. Hydrogen and ethylene fuels are compared over a range of fuel-lean global equivalence ratios. Both fuels show evidence of combustion at each fuel injection pressure. Hydrogen burns diffusively in the shear layer and further downstream, with penetration distance increasing linearly with injection pressure. The combustion in...[Show more]

CollectionsANU Research Publications
Date published: 2005
Type: Conference paper
Source: OH PLIF Imaging of Supersonic Combustion Using Cavity Injection


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