Fig. 5

The spray cone shape with a the CO₂ flow rate 3.3 g/s and the N₂ flow rate 0.3 l/s, b the CO₂ flow rate 3.3 g/s and the N₂ flow rate 1.4 l/s, c the CO₂ flow rate 2.5 g/s and the N₂ flow rate 0.6 l/s, and d the CO₂ flow rate 4.0 g/s and the N₂ flow rate 0.6 l/s