Fig. 6: Flow visualization in reduced gravity.

(Left) Individual bubbly flow, 2.73 × 10−9kg/s, 1 mm orifice; (middle) bubble chunks and slugs, 2.73 × 10−7 kg/s, 1 mm orifice; (right) Jet stream flow, 8.18 × 10−6kg/s, 0.25 mm orifice.

(Left) Individual bubbly flow, 2.73 × 10−9kg/s, 1 mm orifice; (middle) bubble chunks and slugs, 2.73 × 10−7 kg/s, 1 mm orifice; (right) Jet stream flow, 8.18 × 10−6kg/s, 0.25 mm orifice.