Numerical Simulations on the Extinguishing Effect of Water Mist System with Different Parameters of Longitudinal Ventilation in Curve Tunnel Fire

Table 2

Simulation scenario.

Calculation condition	Radius of curvature	Fire scale	Opening time of water mist (s)	Longitudinal ventilation speed (m/s)	Opening time of longitudinal ventilation (s)
1	0	30 MW	90	2	-
2					60
3					90
4					120
5	500	30 MW	90	2	-
6					60
7					90
8					120
9	860	30 MW	90	2	-
10					60
11					90
12					120
13	500	30 MW	90	1	90
14				2.5
15				3
16				4
17	860	30 MW	90	1	90
18				2.5
19				3
20				4
21	0	35 kW	90	1	90