摘要
煤层透气系数是研究煤层瓦斯动力学的重要参数之一.本文提出计算煤层透气系数的简捷、准确的新方法.
The gas permeability of coalseams is one of the fundamental parameters concerning the study of coal gas dynamics. The new calculating method of gas permeability of coalseams,a simple rapid and accurate one is put forward by the author.
关键词
煤层
瓦斯动力学
透气系数
The gas permeability of coalseam
coal seam coal gas dynamics
gas-geology
mathematical fosmulas
radial flow fields