Table 2. Simulation Results of the Influence of Gas Superficial Velocity on the Flow Pattern.

the superficial velocity (liquid) m/s	the superficial velocity (gas) m/s	the position of the swirl bubble flow m	the position of the swirl slug flow m	the position of the swirl annular flow m	the position of the swirl-stratified flow m
1	0.1	0–0.6			0.6–2.5
	1		0–0.6		0.6–2.5
	2			0–0.8	0.8–2.5
	4			0–0.9	0.9–2.5
	6			0–1.0	1.0–2.5
	8			0–1.1	1.1–2.5
	10			0–2.5