Experimental Study on the Ignition Sensitivity and Explosion Severity of Different Ranks of Coal Dust

Table 1

Proximate analyses of the coal samples.

Sample	Proximate analyses (wt.%)
	Mad	Aad	Vdaf	FCad
HM	11.39	4.55	42.26	48.54
QM	2.41	9.15	32.45	59.74
WY	1.05	22.75	11.19	67.67

M_ad: moisture; A_ad: ash; V_daf: volatile matters; FC_ad: fixed carbon.