Research of influence of borehole length when use a drill and fire system of driving on behavior of gas-dynamic processes in the coalface of working

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Authors: Krukovska V.V., Krukovskyi O.P., Vynohradov Yu.O.
 
Numerical modeling of process of coal and methane outburst in a working face of single opening, what is driving by drill and fire system, is executed. Initiation of coal and methane outburst process in cases of various length of blastholes is observed. Change of distribution of permeability coefficient ahead of a face, pressure values and speed of formation of outburst cavity is analysed.
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2010_3 Krukovskaya
Date 2012-12-14 Filesize 604.42 KB Download 929

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ISSN (print) 2071-2227,
ISSN (online) 2223-2362.
Journal was registered by Ministry of Justice of Ukraine.
Registration number КВ No.17742-6592PR dated April 27, 2011.

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