Experimental investigations on central vortex core in swirl spray flames using high-speed laser diagnostics
Centrally staged swirl combustion can effectively reduce NO x emission. However, the
complex combustion field is susceptible to producing large-scale coherent structures, such
as precessing vortex core and central vortex core (CVC). This study mainly investigates the
effect of CVC on the flow and flame in a centrally staged swirl spray combustor at elevated
temperature and pressure using 10 kHz high-speed CH* chemiluminescence (CL), 20 kHz
particle image velocimetry, and CH 2 O planar laser-induced fluorescence (PLIF). For the …
complex combustion field is susceptible to producing large-scale coherent structures, such
as precessing vortex core and central vortex core (CVC). This study mainly investigates the
effect of CVC on the flow and flame in a centrally staged swirl spray combustor at elevated
temperature and pressure using 10 kHz high-speed CH* chemiluminescence (CL), 20 kHz
particle image velocimetry, and CH 2 O planar laser-induced fluorescence (PLIF). For the …
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