Non-Vaporizing vs Vaporizing Sprays
High-Speed Schlieren Movies of Diesel Sprays
|Ambient O2 [%]||0||0|
|Ambient Temperature [K]||451||1000|
|Ambient Density [kg/m3]||30||29|
|Orifice Diameter [mm]||0.200||0.200|
Fuel is #2 diesel fuel. Injector tip to wall is 109 mm.
The vaporizing spray penetrates more slowly than the non-vaporizing spray. This is because the spray contracts as a result of cooling of hot entrained gases by fuel evaporation (Naber, 1996).