Spray

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Comparison between computational and experimental results of conical spray with a large hollow cone angle (1.96 MPa)
Chamber: radius*length = 40 mm*40 mm ( 120*120 grids) Cone angle: 120 degree, Ambient gas: Nitrogen (N2) Ambient pressure: 1.96 MPa Ambient temperature: 306 K, Diesel fuel: df2 (c12h26 cummins model) Fuel density: 0.848 g/cm^3 Injection pressure: 20 Mpa, Injection fuel amount: 28.5 mg Injection duration: 1.2 ms

Comparison between computational and experimental results of conical spray (0.98 MPa)
Chamber: radius*length = 40 mm*40 mm ( 120*120 grids) Cone angle: 120 degree, Ambient gas: Nitrogen (N2) Ambient pressure: 0.98 MPa Ambient temperature: 306 K, Diesel fuel: df2 (c12h26 cummins model) Fuel density: 0.848 g/cm^3 Injection pressure: 20 Mpa, Injection fuel amount: 28.5 mg Injection duration: 1.2 ms

Comparison between computational and experimental results of conical spray (0.098 MPa)
Chamber: radius*length = 80 mm*70 mm ( 160*160 grids) Cone angle: 120 degree, Ambient gas: Nitrogen (N2) Ambient pressure: 0.098 MPa Ambient temperature: 306 K, Diesel fuel: df2 (c12h26 cummins model) Fuel density: 0.848 g/cm^3 Injection pressure: 20 Mpa, Injection fuel amount: 28.5 mg Injection duration: 1.2 ms

Three-dimensional simulation for 3 holes diesel fuel injection
Chamber: diameter*length = 60 mm*100 mm ( 40*20*30 grids) Angle between sprays: 10.0 degree, Ambient gas: Nitrogen (N2) Ambient pressure: 1.3 MPa Ambient temperature: 306 K Spray cone angle: 9.0 degree, Diesel fuel: df2 (c12h26 cummins model) Fuel density: 0.848 g/cm^3 Injection pressure: 30 Mpa, Number of holes: 3 Hole diameter: 0.12 mm Injection fuel amount: 24 mg Injection duration: 5 ms

Combustion

combustion photograph.
Every spray includes three sub-sprays, and angle between the sub-sprays: 5.0 degree