Study on the Mechanism of Gas Ignition by Friction Effect of Hard Quartz Sandstone Instability

<table class="figure-group"><tr class="fig-image" id="a"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8867343/figures/8867343.fig.003a.svgz" name="8867343.fig.003a" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(a) </b>Methane combustion and explosion test box</td></tr><tr class="fig-image" id="b"><td><object data="https://static.hindawi.com/articles/geofluids/volume-2020/8867343/figures/8867343.fig.003b.svgz" name="8867343.fig.003b" type="image/svg+xml"></object></td></tr><tr class="fig-caption"><td><b>(b) </b>Rock samples and specimen</td></tr></table>

Geofluids

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Figure 3

Figure 3: Study on the Mechanism of Gas Ignition by Friction Effect of Hard Quartz Sandstone Instability 