Research Article
Goaf Gas Control Improvement by Optimizing the Adjacent Roadway Large-Diameter Boreholes
Figure 7
Distribution of spontaneous combustion zone in goaf. (a) Oxygen distribution without pumping. (b) Oxygen distribution (x = 10 m, = 6 m·s−1). (c) Oxygen distribution (x = 20 m, = 6 m·s−1).
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| (b) |
| (c) |