Investigation of the urea-water solution atomization process in engine exhaust-like conditions

•Droplet tracking at very high imaging speed is performed in the urea-water injection.•Higher pressure produced more droplets with smaller diameter.•Near the nozzle-exit, the radial component of velocity increased with the pressure.•Gas temperature only has an effect in the distribution of the devel...

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Veröffentlicht in:	Experimental thermal and fluid science 2019-11, Vol.108, p.75-84
Hauptverfasser:	Payri, Raul, Bracho, Gabriela, Gimeno, Jaime, Moreno, Armando
Format:	Artikel
Sprache:	eng
Schlagworte:	Air flow Air temperature Atomizing Catalysis Droplet size Droplet velocity Droplets Evaporation Exhaust emissions Exhaust pipes High speed cameras Initial conditions Injection Liquid atomization Mass flow Nozzles Pressure Selective catalytic reduction Spray characteristics Urea Urea-water solution Ureas Velocity
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