A Characteristic Analysis of One-Dimensional Two-Fluid Model with Interfacial Area Transport Equation

Table 1

Area-averaged data for Runs 13–29 at 𝐿/𝐷_ℎ=13 [9]*.

Run no.	𝛼1 (%)	𝛼2 (%)	𝑣𝑔1 (m/s)	𝑣𝑔2 (m/s)	𝑣𝑔,avg^∗∗ (m/s)
13	24.96	5.98	0.36	0.37	0.37
14	38.93	8.16	0.38	0.33	0.37
15	32.69	14.78	0.49	0.46	0.49
16	20.41	0.11	0.45	0.16***	0.45
17	24.15	6.87	0.52	0.50	0.52
18	26.14	10.95	0.55	0.57	0.55
19	19.90	20.12	0.64	0.64	0.64
20	15.84	0.14	0.62	0.07***	0.61
21	22.30	1.90	0.57	0.51	0.55
22	20.17	3.39	0.75	0.77	0.76
23	16.99	17.39	0.85	0.82	0.84
24	17.64	1.05	0.71	0.55	0.71
25	14.37	1.78	0.84	0.90	0.85
26	22.23	0.32	0.79	0.81	0.79
27	13.13	0.14	1.58	0.41***	1.58
28	11.87	0.91	1.56	1.59	1.56
29	19.27	2.29	1.69	1.84	1.70

∗: The run numbers are consistent with Vasavada [9].
**: The averaged velocity was void fraction-weighted velocity of Therminol 59 provided by Vasavada [9].
***: Due to the small sampling numbers of group-2 droplets, these velocity data are considered not statistically sound.