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Analysis on calculation issues of seam permeability coefficient
Author(s):
LIU Mingju
,
LIU Yanwei
Pages:
59
-
61
Year:
2004
Issue:
2
Journal:
COAL SCIENCE AND TECHNOLOGY
Keyword:
渗透率
;
透气系数
;
径向流量法
;
瓦斯流动
;
Abstract:
径向流量法是目前我国使用得最为广泛的一种煤层透气系数测定方法, 但其透气系数计算存在着2个问题:其一是有时无法找到适当的计算公式, 其二是有时又可以得到2个互相矛盾的结果.文章详细剖析了这些问题的根本原因.
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