About: An Improved Numerical Solution of Multiphase Flow Analysis in Soil.

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The present paper is concerned with a numerical solution for the analysis of coupled water, a non-aqueous phase liquid (NAPL), and gas and heat flow in unsaturated and saturated soil. First, it briefly presents all the problem governing equations and then concentrates on the development of a robust numerical solution algorithm. It improves the solution procedure by extending the Primary variable switching scheme so that it can also be used for multiphase flow analysis and by developing a method for reducing the usual numerical oscillations. Finally, a sample numerical analysis of a spill of diesel fuel in a box filled with partially water-saturated soil is presented. The present paper is concerned with a numerical solution for the analysis of coupled water, a non-aqueous phase liquid (NAPL), and gas and heat flow in unsaturated and saturated soil. First, it briefly presents all the problem governing equations and then concentrates on the development of a robust numerical solution algorithm. It improves the solution procedure by extending the Primary variable switching scheme so that it can also be used for multiphase flow analysis and by developing a method for reducing the usual numerical oscillations. Finally, a sample numerical analysis of a spill of diesel fuel in a box filled with partially water-saturated soil is presented. (en) Příspěvek se zabývá numerickým řešením výpočtu vázaného proudění vody, kapaliny těžce mísitelné s vodou, plynu a tepla v částečně a plně nasycených zeminách. Nejprve jsou uvedeny veškeré řadící rovnice a v dalším se pozornost soustřeďuje na vypracování numericky robustního algoritmu řešení, jehož základ tvoří metoda Dynamické volby primárních neznámých výpočtu, (Primary switching scheme) a dále metoda pro potlačení oscilací. V závěru jsou uvedeny výsledky řešení úlohy průsaku skvrny nafty sloupcem zeminy, při kterém je vypracovaný algoritmus řešeni použit. (cs)
Title	An Improved Numerical Solution of Multiphase Flow Analysis in Soil. An Improved Numerical Solution of Multiphase Flow Analysis in Soil. (en) An Improved Numerical Solution of Multiphase Flow Analysis in Soil. (cs)
skos:prefLabel	An Improved Numerical Solution of Multiphase Flow Analysis in Soil. An Improved Numerical Solution of Multiphase Flow Analysis in Soil. (en) An Improved Numerical Solution of Multiphase Flow Analysis in Soil. (cs)
skos:notation	RIV/25768654:_____/02:00010873!RIV/2005/GA0/740005/N
http://linked.open.../vavai/riv/strany	659-668
http://linked.open...avai/riv/aktivita	P
http://linked.open...avai/riv/aktivity	P(GA103/02/0971)
http://linked.open...iv/cisloPeriodika	12
http://linked.open...vai/riv/dodaniDat	2005
http://linked.open...aciTvurceVysledku	Jendele, Libor
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Pražský technologický institut, o.p.s.
http://linked.open...dnocenehoVysledku	637986
http://linked.open...ai/riv/idVysledku	RIV/25768654:_____/02:00010873
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Multiphase flow, Temporal integration, Computational technology, Unsaturated /saturated soil (en)
http://linked.open.../riv/klicoveSlovo	Computational technology Temporal integration Unsaturated /saturated soil Multiphase flow
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[AE54180FB968]
http://linked.open...i/riv/nazevZdroje	Advances in Engineering Software
http://linked.open...in/vavai/riv/obor	JM
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...vavai/riv/projekt	Numerical modelling of multiphase multicomponent pollutant migration in unsaturated and saturated soil
http://linked.open...UplatneniVysledku	2002
http://linked.open...v/svazekPeriodika	neuveden
http://linked.open...iv/tvurceVysledku	Jendele, Libor
issn	0965-9978
number of pages	10 (xsd:int)

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