2021
DOI: 10.3390/e23050556
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The Intensity of Heat Exchange between Rock and Flowing Gas in Terms of Gas-Geodynamic Phenomena

Abstract: Gas-induced geodynamic phenomena can occur during underground mining operations if the porous structure of the rock is filled with gas at high pressure. In such cases, the original compact rock structure disintegrates into grains of small dimensions, which are then transported along the mine working space. Such geodynamic events, particularly outbursts of gas and rock, pose a danger both to the life of miners and to the functioning of the mine infrastructure. These incidents are rare in copper ore mining, but … Show more

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Cited by 8 publications
(2 citation statements)
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“…Gas is stored in a well-developed porous structure of the rock with low permeability. the potential energy of the gas is released during an outburst event, and the amount of this energy strongly depends on the course of the sudden decompression [35,36]. the released energy is absorbed by rock crushing [18] and transported down the heading [37,38].…”
Section: Introductionmentioning
confidence: 99%
“…Gas is stored in a well-developed porous structure of the rock with low permeability. the potential energy of the gas is released during an outburst event, and the amount of this energy strongly depends on the course of the sudden decompression [35,36]. the released energy is absorbed by rock crushing [18] and transported down the heading [37,38].…”
Section: Introductionmentioning
confidence: 99%
“…The assumption made by the present authors is that the process of rock and gas outburst involves the release of energy during the rapid decompression of gas in pores and crevices inside the rock. The thermodynamic transformation that takes place during decompression is close in nature to an isothermal process [13,14]. Such enormous energy leads to the fragmentation of solid rock [13].…”
Section: Introductionmentioning
confidence: 99%