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Thermal Insulation of Excavations and Its Effect on Climate Conditions

Author

Listed:
  • Nikodem Szlązak

    (Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology Kraków, 30-059 Kraków, Poland)

  • Dariusz Obracaj

    (Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology Kraków, 30-059 Kraków, Poland)

  • Justyna Swolkień

    (Faculty of Civil Engineering and Resource Management, AGH University of Science and Technology Kraków, 30-059 Kraków, Poland)

Abstract

The article compares the climate conditions in an excavation with thermally insulated roof and sidewalls to the conditions when such insulation is absent. The analysis of the temperatures presented in the article consisted of limiting the heat transfer from the rock mass to the heading in one of the Polish coal mines. It is widely believed that the thermal insulation of heading sidewalls, through which fresh air is supplied, can substantially improve climate conditions. The article’s objective is to evaluate the impact of thermal insulation on the surface of the roof and sidewalls on the reduction in heat transfer from the strata with a high virgin temperature to mine air. Preventing the existing climate hazard involves higher costs of coal extraction, whereas the consequences of inadequate prevention threaten the health or life of the miners.

Suggested Citation

  • Nikodem Szlązak & Dariusz Obracaj & Justyna Swolkień, 2021. "Thermal Insulation of Excavations and Its Effect on Climate Conditions," Energies, MDPI, vol. 14(14), pages 1-15, July.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:14:p:4170-:d:591950
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    Citations

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    Cited by:

    1. Junjian Wang & Zijun Li & Gang Li & Yu Xu, 2023. "Heat Hazard Control in High-Temperature Tunnels: Experimental Study of Coupled Cooling with Ventilation and Partial Insulation for Synergistic Geothermal Extraction," IJERPH, MDPI, vol. 20(3), pages 1-22, January.
    2. Adam Wróblewski & Arkadiusz Macek & Aleksandra Banasiewicz & Sebastian Gola & Maciej Zawiślak & Anna Janicka, 2023. "CFD Analysis of the Forced Airflow and Temperature Distribution in the Air-Conditioned Operator’s Cabin of the Stationary Rock Breaker in Underground Mine under Increasing Heat Flux," Energies, MDPI, vol. 16(9), pages 1-18, April.

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