COMPUTER SIMULATION OF DEAD-END MINE WORKING VENTILATION

Authors

DOI:

https://doi.org/10.15802/stp2019/181499

Keywords:

air pollution, dead end mine workings, mathematical modelling, numerical model

Abstract

Purpose. The important problem in the field of ecological safety and industrial safety is providing of normal microclimate in dead-end mine working. In these regions of the mine methane gas can be accumulated and as a result explosion may take place. So, to avoid these accidents it is important to ventilate appropriately dead-end mine working. The purpose of the work is development of quick computing mathematical model to obtain information about dead-end mine working ventilation process. Methodology. The process of dead-end mine working ventilation computing is separated in two stages. At the first stage the velocity flow field is computed in the dead-end mine working. We consider the situation when the suction tube is situated in this region. To solve this problem the fluid dynamics model of inviscid gas flow was used. At the second stage of the computational modeling the convective- diffusive equation of admixture transfer was used. The equation takes into account non-uniform flow field in the dead end mine workings. Findings. The developed numerical model was coded using FORTRAN language. The developed computer code allows to perform numerical experiment to assess the efficiency of suction tube implementation to decrease methane gas concentration in dead-end mine working. Originality. The developed numerical model takes into account physical factors, which are not considered nowadays in the empirical models, which are used for solving the problems of dead-end mine working ventilation. It allows taking into account the geometrical form of the dead-end mine working. Practical value. The developed computer program allows to perform calculations to assess the efficiency of suction system used for the ventilation of the dead-end mine working.

Author Biographies

V. V. Biliaieva, Oles Honchar Dnipro National University

Dep. «Fluid Dynamics, Energy and Mass Transfer», Oles Honchar Dnipro National University, Kazakova St., 18, Dnipro, Ukraine, 49000, tel. +38 (056) 374 98 22, e-mail water.supply.treatment@gmail.com, ORCID 0000-0003-2399-3124

P. S. Kirichenko, Kryvyi Rih National University

Dep. «Heat and Gas Supply, Drainage and Ventilation», Kryvyi Rih National University, Vitaliia Matusevycha St., 11, Kryvyi Rih, Ukraine, 50027, tel. +38 (056) 409 06 06, e-mail pasha_129@ukr.net

E. Y. Gunko, Dnipro National University of Railway Transport named after Academician V. Lazaryan

Dep. «Hydraulics and Water Supply», Dnipro National University of Railway Transport named after Academician V. Lazaryan, Lazaryana St., 2, Dnipro, Ukraine, 49010, tel. +38 (056) 273 15 09, e-mail water.supply.treatment@gmail.com

I. O. Bondarenko, Dnipro National University named after Academician V. Lazaryan

Dep. «Track and Track Facilities», Dnipro National University named after Academician V. Lazaryan, Lazaryana St., 2, Dnipro, Ukraine, 49010, tel. +38 (063) 802 21 80, e-mail irina_bondarenko@ua.fm

P. B. Mashykhina, Dnipro National University of Railway Transport named after Academician V. Lazaryan

Dep. «Hydraulics and Water Supply», Dnipro National University of Railway Transport named after Academician V. Lazaryan, Lazaryana St., 2, Dnipro, Ukraine, 49010, tel. +38 (056) 273 15 09, e-mail water.supply.treatment@gmail.com

Z. M. Yakubovska, Ukrainian State University of Chemical Technology

Dep. «Physics», Ukrainian State University of Chemical Technology, Haharina Av., 8, Dnipro, Ukraine, 49000, tel. +38 (056) 753 56 38, e-mail physics@udhtu.edu.ua

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Published

2019-10-24

How to Cite

Biliaieva, V. V., Kirichenko, P. S., Gunko, E. Y., Bondarenko, I. O., Mashykhina, P. B., & Yakubovska, Z. M. (2019). COMPUTER SIMULATION OF DEAD-END MINE WORKING VENTILATION. Science and Transport Progress, (5(83), 26–35. https://doi.org/10.15802/stp2019/181499

Issue

No. 5(83) (2019)

Section

ECOLOGY AND INDUSTRIAL SAFETY

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