Geodesic
Hydrodynamic model of sudden surge of coal and gas in the mines
News of the Kabardin-Balkar scientific center of RAS, no. 2 (2006), pp. 17-27.

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Theory explaining a sudden surge of coal and gas in the mines based on the hydrodynamics is developed. The explosion of the coal bed is connected to the process of coal dispersion and intensive emanation of gas from he coal in the zone of lessening of the pressure in the comparatively narrow era. Closed system of equations is developed which describe the flow of the coal explosion products anfd the adjoining air. Estimation of the main parameters of the coal-gas mixture which develop during coal dispersion and the shock wave appearing ahead of the flow of this mixture is done.
Keywords: hydrodynamic model, coal, shock wave
Mots-clés : mine 
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M. K. Zhekamuhov; I. M. Zhekamukhova. Hydrodynamic model of sudden surge of coal and gas in the mines. News of the Kabardin-Balkar scientific center of RAS, no. 2 (2006), pp. 17-27. http://geodesic.mathdoc.fr/item/IZKAB_2006_2_a1/

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