Experimental Study on Properties of Methane Diffusion of Coal Block under Triaxial Compressive Stress

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/tswj/volume-2014/385039/figures/385039.fig.003a.svgz" name="385039.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Methane diffusion speed &gt; 1.0 L/min</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/tswj/volume-2014/385039/figures/385039.fig.003b.svgz" name="385039.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Methane diffusion speed &lt; 1.0 L/min</td></tr></table>

<div>Characteristic curve of methane diffusion speed (methane pressure is 1.0 MPa).</div>

The Scientific World Journal

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Figure 3

Figure 3: Experimental Study on Properties of Methane Diffusion of Coal Block under Triaxial Compressive Stress 