Journal of Mining Science

, Volume 53, Issue 3, pp 533–543 | Cite as

Regularities of Two-Phase Gas Flow under Coal and Gas Outbursts in Mines

  • A. T. Zhou
  • K. Wang
  • T. A. Kiryaeva
  • V. N. Oparin
Mine Aerogasdynamics


The authors discuss the mechanism of interaction between dust coal and gas flow. The characteristics of two-phase flow are studied with regard to energy of expanding gas at the stage of outburst propagation using the developed method of numerical modeling. The mechano-mathematical method is verified in the wind tunnel tests of dust coal and gas flow. The comparison of the experimental and modeling data show satisfactory agreement in description of two-phase coal dust and gas flow under outburst with formation of shock waves attenuating in the line of the flow. The volume concentration of dust coal in two-phase flow essentially influences the process of the outburst shock wave attenuation.


Flow characteristics dust coal and gas two-phase flow coal and gas outburst shock wave mechano-mathematical and physical modeling comparison hoist openings 


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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • A. T. Zhou
    • 1
  • K. Wang
    • 1
  • T. A. Kiryaeva
    • 2
  • V. N. Oparin
    • 2
    • 3
  1. 1.School of Resource & Safety Engineering, State Key Laboratory of Coal Resources and Mine SafetyChina University of Mining & TechnologyBeijingChina
  2. 2.Chinakal Institute of Mining, Siberian BranchRussian Academy of SciencesNovosibirskRussia
  3. 3.Novosibirsk State UniversityNovosibirskRussia

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