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Statements

Subject Item
n2:RIV%2F61989100%3A27350%2F12%3A86082167%21RIV13-TA0-27350___
rdf:type
n11:Vysledek skos:Concept
dcterms:description
The paper deals with the issue of the drift of residual methane release from the extracted seams of the underground coal mines. Methane is a hazardous gas, which, thanks to its density, tends to gather under the ceilings of mine shafts or rooms where it is present. When mixed with air, it is explosive within the 5 - 15 % range and that is the reason for the highly hazardous nature of the given gas despite the fact that under normal conditions, it is not dangerous for people. The objective of the present paper is to examine, using numerical gas glow modelling a potential building protection design for buildings located in areas with terminated mining activity and thus exposed to the risk of methane ingress and, as the case may be, causing inestimable losses of property or even human lives. The exclusiveness of our approach involves the effort at visualising and showing how the gas will behave in a porous environment in the model situations we put to the test. Unless numerical flow technology, generally referred to as CFD (Computational Fluid Dynamics) software, is used, the situation in the underground may practically never be identified and it is specifically thanks to the use of the Fluent software that we can theoretically model and subsequently realise how the surrounding conditions may change and affect flow from the underground to the surface and change the immediate conditions there. The Gambit software tool was used when creating the geometrical model of the working area; the CFD Fluent software by ANSYS, Inc. was used to model gas flow. The paper deals with the issue of the drift of residual methane release from the extracted seams of the underground coal mines. Methane is a hazardous gas, which, thanks to its density, tends to gather under the ceilings of mine shafts or rooms where it is present. When mixed with air, it is explosive within the 5 - 15 % range and that is the reason for the highly hazardous nature of the given gas despite the fact that under normal conditions, it is not dangerous for people. The objective of the present paper is to examine, using numerical gas glow modelling a potential building protection design for buildings located in areas with terminated mining activity and thus exposed to the risk of methane ingress and, as the case may be, causing inestimable losses of property or even human lives. The exclusiveness of our approach involves the effort at visualising and showing how the gas will behave in a porous environment in the model situations we put to the test. Unless numerical flow technology, generally referred to as CFD (Computational Fluid Dynamics) software, is used, the situation in the underground may practically never be identified and it is specifically thanks to the use of the Fluent software that we can theoretically model and subsequently realise how the surrounding conditions may change and affect flow from the underground to the surface and change the immediate conditions there. The Gambit software tool was used when creating the geometrical model of the working area; the CFD Fluent software by ANSYS, Inc. was used to model gas flow.
dcterms:title
Modelling potential action for building protection against flow of methane from the underground using the Fluent software Modelling potential action for building protection against flow of methane from the underground using the Fluent software
skos:prefLabel
Modelling potential action for building protection against flow of methane from the underground using the Fluent software Modelling potential action for building protection against flow of methane from the underground using the Fluent software
skos:notation
RIV/61989100:27350/12:86082167!RIV13-TA0-27350___
n11:predkladatel
n16:orjk%3A27350
n3:aktivita
n13:P
n3:aktivity
P(TA02011078)
n3:dodaniDat
n5:2013
n3:domaciTvurceVysledku
n15:2551748 n15:9077758 n15:7032005 n15:7314957
n3:druhVysledku
n7:D
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n23:predkladatel
n3:idSjednocenehoVysledku
151147
n3:idVysledku
RIV/61989100:27350/12:86082167
n3:jazykVysledku
n6:eng
n3:klicovaSlova
modelling and simulation, flow of gases, CFD software package, Fluent, protection of buildings, methane
n3:klicoveSlovo
n4:flow%20of%20gases n4:protection%20of%20buildings n4:modelling%20and%20simulation n4:Fluent n4:CFD%20software%20package n4:methane
n3:kontrolniKodProRIV
[3FF7976CC6FB]
n3:mistoKonaniAkce
Podbanské, Vysoké Tatry
n3:mistoVydani
Piscataway
n3:nazevZdroje
Proceedings of the 2012 13th International Carpathian Control Conference, ICCC 2012
n3:obor
n9:BC
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
4
n3:projekt
n17:TA02011078
n3:rokUplatneniVysledku
n5:2012
n3:tvurceVysledku
Staša, Pavel Kubáč, Lukáš Fuchsíková, Petra Kebo, Vladimír
n3:typAkce
n21:WRD
n3:zahajeniAkce
2012-05-28+02:00
s:numberOfPages
7
n19:doi
10.1109/CarpathianCC.2012.6228732
n14:hasPublisher
IEEE
n22:isbn
978-1-4577-1868-7
n10:organizacniJednotka
27350