Study on the Parameter Equation of Coal and Gas Outburst Hole

Study on the Parameter Equation of Coal and Gas Outburst Hole
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煤与瓦斯突出孔参数方程研究

DOI:
10.1155/2021/5527250
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发表时间:
2021-03
影响因子:
1.6
通讯作者:
Lei Peng
Lei Peng
中科院分区:
工程技术4区
文献类型:
--
作者:
Fei Wang;Yuzhong Yang;Liyun Wu;Han Meng;Lei Peng

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研究煤炭孔(CGOH)的参数,例如孔形状,孔的大小和体积,CGOH的煤炭数量,煤掷距离,计算出的孔密度和气压,有助于揭示煤炭和气体爆发机制。在
Studying the parameters of a coal and gas hole (CGOH), such as the hole shape, hole size and volume, coal quantity of CGOH, coal throw distance, calculated hole density, and gas pressure, is helpful in revealing the coal and gas outburst mechanism. In this study, we found that there were close mathematical relationships between these parameters. A nonlinear composite function relationship (CGOH parameter equation) was observed between the coal quantity, CGOH volume, and throw distance. The correctness of these relationships was verified using the Origin software. The stagnation point and inflection point of the parameter curve were obtained through the derivation of the parameter equation, and the transformation path from coal and gas outburst to coal and gas extrusion or dumping was clarified. At the same time, the equations of gas pressure, coal quantity, and throw distance are derived.
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