Evaluation of Wind Energy Recovery from an Underground Mine Exhaust Ventilation System

Table 2

Wind speed from fan exhaust.

Distance (m)	Velocity (m/s)
	Speed Level-3		Speed Level-1
0	24.5	6.806	22.7	6.306
0.1	25.7	7.139	23.4	6.500
0.2	24.2	6.722	21.1	5.861
0.3	23.5	6.528	17.9	4.972
0.4	20.5	5.694	17	4.722
0.5	18.5	5.139	16.1	4.472
0.6	17.6	4.889	14.4	4.000
0.7	15	4.167	12.9	3.583
0.8	14	3.889	12.1	3.361
0.9	13.3	3.694	11	3.056
1	12.9	3.583	10.1	2.806
1.1	11.5	3.194	9.3	2.583
1.2	10.6	2.944	8.4	2.333
1.3	10.9	3.028	6.3	1.750
1.4	10.2	2.833	5.7	1.583
1.5	8.9	2.472	4.1	1.139
1.6	8.7	2.417	3.9	1.083
1.7	7.7	2.139	3.7	1.028
1.8	7.5	2.083	3.1	0.861
1.9	7	1.944	3	0.833
2	6.7	1.861	1.4	0.389
2.1	5.1	1.417	1.5	0.417
2.2	5.3	1.472	1	0.278
2.3	4.4	1.222	0.7	0.194
2.4	3.4	0.944	0.3	0.083
2.5	—	—	0	0.000