Research on Risk Identification of Coal and Gas Outburst Based on PSO-CSA

Table 2

3^# coal seam to collect raw data.

i	Δp (mmHg)	K 1 (mL/(g·min^1/2))	S (kg/m)
1	16.69	0.36	3.2
2	16.48	0.11	3.0
3	18.21	0.31	3.8
4	17.63	0.16	3.6
┇	┇	┇	┇
399	16.02	0.27	3.4
400	16.53	0.37	3.8