Numerical Investigation of Water Film Evaporation with the Countercurrent Air in the Asymmetric Heating Rectangular Channel for Passive Containment Cooling System

Table 2

Grid independence analysis for the VOF_ UDF method.

Total number of grid cells	1,800,000	2,700,000	4,000,000	6,000,000
Height of the 1st layer cell near the heated wall (mm)	0.250	0.100	0.040	0.016
(kW)	72.43	85.22	85.46	86.34
, (kg/s)	0.02768	0.03314	0.03325	0.03364
hm (m/s)	0.03376	0.03596	0.03604	0.03621