Influence of Effective Pressure on Percolation Rate of Coal

Figure 2

Thermos-solid-gas coupling equipment testing program. (a) Principle structure chart of the device. (1) Voltage gas supply source; (2) manometer; (3) pressure control valve; (4) pressure supply system; (5) intake gassing pipeline; (6) out gassing pipeline; (7) constant-temperature test chamber; (8) flow surveillance system; (9) data acquisition and operating system; (10) true triaxial fixture; (11) servo pump; (12) stress-strain and temperature sensor. (b) Experimental device.

(a)

(b)