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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- Category: Mining
- Last Updated on 21 December 2012
- Published on 21 December 2012
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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
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 2012-12-14  604.42 KB  1467 |
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