The kinetics of the methane acidification by the oxygen and its role in the blast air wave formation in mine workings

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A.V. Chernai, Dr. Sci. (Phys.-Math.), Professor, State Higher Educational Institution “National Mining University”, Professor of the Department of Physics, Dnipropetrovsk, Ukraine.

M.M. Nalysko, Cand. Sci. (Tech.), Associate Professor, State Higher Educational Institution “Prydniprovska State Academy of Civil Engineering and Architecture”, Senior Lecturer of the De-partment of Vital Activity Safety, Dnipropetrovsk, Ukraine.

H.S. Derevianko, State Higher Educational Institution “National Mining University”, postgraduate student, Dnipropetrovsk, Ukraine.


Purpose. The numerical calculation of the gas explosion parameters subject to the kinetics of the methane oxidation by oxygen in mine atmosphere, carrying out the model testing accounts of the methane-air mixtures explosion.

Methodology. The mathematical modeling of the gas-dynamic and physicochemical processes of the gas explosion. The numerical experiment of the methane ignition process, deflagration and detonation combustion, formation and propagation the explosive airwaves.

Findings. The choice of the chemical kinetics model of methane combustion mechanism in open reactor has been substantiated. The nonstationary processes of the methane-air environment explosion, formation and spreading of the explosion wave in mine workings has been modeled. The numerical experiment results have been analyzed.

Originality. The new approach in realization of the pattern of gas dynamic process numerical account – methane explosion – has been developed, in which the kinetics of methane oxidation chemical reaction and dynamics of explosion energy transmission by explosion wave and gas environment streams have been combined.

Practical value. The results of the numerical account scheme modification are applied during the technical solutions substantiation regarding the explosion security of mine workings emergency areas.


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Date 2016-04-02 Filesize 913.23 KB Download 529




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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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