Abstract
The authors have revealed analytical dependences for the length of a longwall and the background methane emission from a coal bed, mined-out void and wall rocks during a maintenance shift. The actual values of methane release in Kotinskaya Mine and methane concentration in a breakage heading of Kostromovskaya Mine, Belon, measured using air-and-gas control equipment are presented. The authors evaluate theoretical relationships for the cyclical behavior of methane release during a work shift in a production heading of a coal mine.
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Original Russian Text © A.A. Ordin, A.M. Timoshenko, A.A. Metel’kov, S.A. Kolenchuk, 2016, published in Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, 2016, No. 4, pp. 131–141.
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Ordin, A.A., Timoshenko, A.M., Metel’kov, A.A. et al. Cyclical behavior of methane emissions in a longwall. J Min Sci 52, 752–761 (2016). https://doi.org/10.1134/S1062739116041166
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DOI: https://doi.org/10.1134/S1062739116041166