The experimental results are as follows. The gas seepage velocity of outburst coal samples increase with the increase of gas pressure under fixed axial and confining pressures.
试验结果表明:在轴压和围压固定的情况下,突出煤样的瓦斯渗透速度随着瓦斯压力的增大而增大。
The study of gas confining evolution of mudstone seals can be used to evaluate gas confining ability and its efficiency.
研究泥岩盖层封气性演化阶段,可以正确评价泥岩盖层的封气能力及其有效性。
The seepage velocity and penetrability coefficient appeared changing of the"Z"shape with the increase of the effective axial feed when the confining pressure and gas pressure were constants.
在恒定围压和瓦斯压力的情况下,软分层煤样的瓦斯渗流速度和渗透系数均随着有效轴向压力的增大而呈“Z”形变化;
应用推荐