The effects of both chamber pressure and initial Porosity on combustion process are calculated, and some basic conditions for stable burning are analysed.

计算了燃烧室压力与初始空隙率等对燃烧过程的影响，分析了稳定燃烧时应满足的一些基本条件，结果与实验值相一致。

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However, the inherit low porosity of the shale also implies that once the initial gush dies down, the flow will become a trickle.

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