Prevention and Control of Spontaneous Combustion of Residual Coals in Acid-Soaked Goaf in Gas Drainage Condition

Table 2

Gas drainage data of high drainage roadway under drainage volume conditions.

Drainage volume (m^3.min^−1)	Air intake (m^3.min^−1)	Gas drainage in high drainage roadway
		Volume fraction (%)	Scalar quantity (m^3.min^−1)	Proportion of gushing volume (%)
80	1400	15.3	11.30	26.63
90	1400	32.1	29.23	70.23
110	1400	16.7	16.83	41.02
130	1400	9.4	11.61	17.41