Figure 2 | Scientific Reports

Figure 2

From: Research on controlling gas overrun in a working face based on gob-side entry retaining by utilizing ventilation type “Y”

Figure 2

The Goaf Model of the South Wu-120. Figure 2 depicts the goaf model of the South Wu-1201. The length, width, and height are 280, 200, and 50 m, respectively. The shape of the inlet and return sections of the air roadway is a rectangle whose width and height are 4 and 4 m, respectively. The roadway is defined as a fluid domain. However, the air leakage inside the goaf is only considered a porous medium model.

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