Exploration of the Relationships between the Spraying Condition and Wetting Behavior on Coal Surface of Dust Suppression Droplet: Improving the Utilization Rate

Table 1

Numerical simulation parameter settings.

Serial number	Parameters	Value
1	Gas pressure	101325 pa
2	Droplet density	998.2 kg·m^-3
3	Droplet viscosity	pa·s
4	Droplet surface tension	0.072 N·m^-1
5	Air density	1.225 kg·m^-3
6	Air viscosity	pa·s
7	Coal surface contact angle	60°
8	Coal surface roughness height	24.3 nm
9	Coal surface roughness constant	0.5