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Statements

Subject Item
n2:RIV%2F61989100%3A27350%2F12%3A86082170%21RIV14-TA0-27350___
rdf:type
skos:Concept n6:Vysledek
rdfs:seeAlso
http://sgem.org/sgemlib/spip.php?article1990&lang=en
dcterms:description
The article deals with modelling and simulation of methane flow from the underground to the surface through the rocks, where active degassing borehole is located into the cavern. The model of the natural environment is based on information which was obtained during solving the Grant GACR No. 105/98/KO45. The model of environment corresponds to the degree of our knowledge about real situation and tools possibilities for modelling and simulation. The rock material is composed by two types of solid rocks with different permeability and one active degassing borehole, which is cased into the cavern, in the analysis model. Our task is to determine how the flow of methane through borehole with perforations will changed by permeability of rocks changing and next by implementation and comparison of several ways of degassing from porous environment. Article responds to the need for knowledge of natural processes in this field. 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 programmes [1], is used, the situation in the underground may practically never be identified and it is specifically thanks to the use of the Fluent programme 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. [2] was used to model gas flow. The article deals with modelling and simulation of methane flow from the underground to the surface through the rocks, where active degassing borehole is located into the cavern. The model of the natural environment is based on information which was obtained during solving the Grant GACR No. 105/98/KO45. The model of environment corresponds to the degree of our knowledge about real situation and tools possibilities for modelling and simulation. The rock material is composed by two types of solid rocks with different permeability and one active degassing borehole, which is cased into the cavern, in the analysis model. Our task is to determine how the flow of methane through borehole with perforations will changed by permeability of rocks changing and next by implementation and comparison of several ways of degassing from porous environment. Article responds to the need for knowledge of natural processes in this field. 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 programmes [1], is used, the situation in the underground may practically never be identified and it is specifically thanks to the use of the Fluent programme 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. [2] was used to model gas flow.
dcterms:title
Modelling of methane flow in porous environment with one active degassing borehole located in the cavern using the cfd programme fluent Modelling of methane flow in porous environment with one active degassing borehole located in the cavern using the cfd programme fluent
skos:prefLabel
Modelling of methane flow in porous environment with one active degassing borehole located in the cavern using the cfd programme fluent Modelling of methane flow in porous environment with one active degassing borehole located in the cavern using the cfd programme fluent
skos:notation
RIV/61989100:27350/12:86082170!RIV14-TA0-27350___
n6:predkladatel
n11:orjk%3A27350
n4:aktivita
n19:P
n4:aktivity
P(TA02010698)
n4:dodaniDat
n9:2014
n4:domaciTvurceVysledku
n10:9077758 n10:7314957 n10:2938413 n10:7032005
n4:druhVysledku
n22:D
n4:duvernostUdaju
n14:S
n4:entitaPredkladatele
n23:predkladatel
n4:idSjednocenehoVysledku
151121
n4:idVysledku
RIV/61989100:27350/12:86082170
n4:jazykVysledku
n5:eng
n4:klicovaSlova
methane, cavern; Fluent, degassing; CFD program; flow of gases; modelling and simulation
n4:klicoveSlovo
n7:methane n7:Fluent n7:modelling%20and%20simulation n7:CFD%20program n7:cavern n7:degassing n7:flow%20of%20gases
n4:kontrolniKodProRIV
[C654A5F166D0]
n4:mistoKonaniAkce
Albena
n4:mistoVydani
Sofia
n4:nazevZdroje
12th International Multidisciplinary Scientific GeoConference SGEM 2012 : conference proceedings. Volume I-V
n4:obor
n20:DH
n4:pocetDomacichTvurcuVysledku
4
n4:pocetTvurcuVysledku
4
n4:projekt
n13:TA02010698
n4:rokUplatneniVysledku
n9:2012
n4:tvurceVysledku
Fuchsíková, Petra Kebo, Vladimír Staša, Pavel Strakoš, Vladimír
n4:typAkce
n15:WRD
n4:zahajeniAkce
2012-06-17+02:00
s:issn
1314-2704
s:numberOfPages
8
n8:doi
10.5593/SGEM2012/S05.V2008
n21:hasPublisher
STEF92 Technology Ltd.
n16:organizacniJednotka
27350