Evaluation of a 38 L Explosive Chamber for Testing Coal Dust Explosibility

Table 3

Explosion criteria analysis.

Coal dust concentration (g/m^3)	Maximum pressure ratio (kPa)	Kst (kPa·ms^−1)
100	129.23	49.27
200	144.38	54.09
400	309.6872	313.07
600	419.1	443.64
800	535.56	818.85
1000	588.31	847.77
1200	545.1	1090.17
1400	453.34	898.98