Counter Current Flow Limitation of Gas-Liquid Two-Phase Flow in Nearly Horizontal Pipe

Table 1

Liquid properties*.

Fluid	Density [kg/m^3]	Surface tension [mN/m]	Viscosity [mPa.s]	Index
Water	997.00	73.62	1.002	W1
30% glycerin aqua solution	1064.25	69.49	2.633	V1
50% glycerin aqua solution	1104.6	69.34	5.164	V2
2% butanol aqua solution	994	51.45	1.245	S1
5% butanol aqua solution	989.5	39.76	1.266	S2

*The measured fluid properties were measured in the ambient condition (𝑃=101325 N/m², T=295 °K).