2023
DOI: 10.3390/en16227464
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Variability of CO2, CH4, and O2 Concentration in the Vicinity of a Closed Mining Shaft in the Light of Extreme Weather Events—Numerical Simulations

Paweł Wrona,
Zenon Różański,
Grzegorz Pach
et al.

Abstract: With climate change, more intense weather phenomena can be expected, including pressure drops related to the arrival of an atmospheric front. Such drops of pressure are the main reason for gas emissions from closed mines to the surface, and a closed, empty mine shaft is the most likely route of this emission. Among the gases emitted, the most important are carbon dioxide and methane, creating a twofold problem—greenhouse gas emissions and gas hazards. The work presented in this paper simulated the spread of th… Show more

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“…Several studies describe, among other things, the course of fire development and the associated dangers created by selected harmful factors such as propagating smoke or an increase in the temperature of the gaseous medium [42]. In addition, computer simulations are carried out to determine the concentrations of volatile fractions of various chemical compounds, such as CO 2 or CH 4 , generated as a result of a fire [43]. In addition, the literature documents the possibilities of conducting coupled fire and evacuation calculations.…”
Section: Introductionmentioning
confidence: 99%
“…Several studies describe, among other things, the course of fire development and the associated dangers created by selected harmful factors such as propagating smoke or an increase in the temperature of the gaseous medium [42]. In addition, computer simulations are carried out to determine the concentrations of volatile fractions of various chemical compounds, such as CO 2 or CH 4 , generated as a result of a fire [43]. In addition, the literature documents the possibilities of conducting coupled fire and evacuation calculations.…”
Section: Introductionmentioning
confidence: 99%