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煤炭地下气化是将地下煤炭通过热化学反应在原地转化为可燃气体的技术。但因为在地下,燃烧区域很难监测。本实验依据通过监测煤样加热过程中声发射信号变化,研究了声发射事件与燃烧有直接的关系,为以后监测燃烧区域提供了理论依据。
Underground gasification of coal is a technology that converts underground coal into flammable gas in situ through thermochemical reactions. But because in the ground, the burning area is difficult to monitor. Based on the monitoring of the change of acoustic emission during the heating of coal sample, this experiment studies the direct relationship between acoustic emission events and combustion, which provides a theoretical basis for monitoring the combustion area in the future.