Application of discrete element method to the analysis of free-flow outlet of coal from high coals at underground coal mining

  • Authors:

  • Vladimir I. Klishin;Sergey V. Klishin

  • Affiliations:

  • Mining Institute SB RAS, Krasny Prospekt, Novosibirsk, Russian Federation;Mining Institute SB RAS, Krasny Prospekt, Novosibirsk, Russian Federation

  • Venue:
  • Proceedings of the International Conference on Applications of Computer and Information Sciences to Nature Research
  • Year:
  • 2010

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Abstract

The mathematical model is developed on the basis of the Discrete Elements Method for investigation of processes of gravitational flow of the granular materials. The problem about free-flow outlet of coal from high coals in sublevel caving systems is numerically investigated in two-dimensional statement. Influence of order of opening of discharge holes on drawing process is shown.