About: Internal diffusion effects in Nox storage catalytic monolith converters for automobile exhaust gases

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The periodically operated NOx storage and reduction (NSR) catalytic converters are becoming promising and commercially employed solution to the emissions of nitrogen oxides from economical lean burn gasoline engines. Multiphase mathematical model of the catalytic monolithic reactor has been developed to study the effects of internal transport in the porous catalyst. It includes mass transport from the bulk gas to the pores of the washcoat and diffusion and reactions in the porous structures. The non-stationary operation of the NSR converter is simulated and transport limitations are discussed for both phases of operation, i.e. in the course of lean period, when NOx are stored on the surface under the excess of oxygen, and in the short rich phase, when the stored NOx are reduced by the components resulting from the rich fuel injection (e.g. CO). The influence of washcoat thickness on the NOx conversion is investigated. The periodically operated NOx storage and reduction (NSR) catalytic converters are becoming promising and commercially employed solution to the emissions of nitrogen oxides from economical lean burn gasoline engines. Multiphase mathematical model of the catalytic monolithic reactor has been developed to study the effects of internal transport in the porous catalyst. It includes mass transport from the bulk gas to the pores of the washcoat and diffusion and reactions in the porous structures. The non-stationary operation of the NSR converter is simulated and transport limitations are discussed for both phases of operation, i.e. in the course of lean period, when NOx are stored on the surface under the excess of oxygen, and in the short rich phase, when the stored NOx are reduced by the components resulting from the rich fuel injection (e.g. CO). The influence of washcoat thickness on the NOx conversion is investigated. (en)
Title	Internal diffusion effects in Nox storage catalytic monolith converters for automobile exhaust gases Internal diffusion effects in Nox storage catalytic monolith converters for automobile exhaust gases (en)
skos:prefLabel	Internal diffusion effects in Nox storage catalytic monolith converters for automobile exhaust gases Internal diffusion effects in Nox storage catalytic monolith converters for automobile exhaust gases (en)
skos:notation	RIV/60461373:22340/02:00007019!RIV/2004/MSM/223404/N
http://linked.open.../vavai/riv/strany	R2(1-10)
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM 223400007)
http://linked.open...vai/riv/dodaniDat	2004
http://linked.open...aciTvurceVysledku	Kubíček, Milan Marek, Miloš Kočí, Petr
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	649499
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/02:00007019
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	catalyst; internal diffusion; monolith; NOx storage (en)
http://linked.open.../riv/klicoveSlovo	monolith NOx storage catalyst internal diffusion
http://linked.open...ontrolniKodProRIV	[6AF86CB6C584]
http://linked.open...v/mistoKonaniAkce	27.5. -31.5. 2002, Tatranské Matliare, SR
http://linked.open...i/riv/mistoVydani	Bratislava
http://linked.open...i/riv/nazevZdroje	29th Int. Conf. of Slovak Soc. of Chem. Engng, Tatranské Matliare 27.- 31. 5. 2002, CD-ROM
http://linked.open...in/vavai/riv/obor	CI
http://linked.open...ichTvurcuVysledku	3 (xsd:int)
http://linked.open...cetTvurcuVysledku	4 (xsd:int)
http://linked.open...ocetUcastnikuAkce	0 (xsd:int)
http://linked.open...nichUcastnikuAkce	0 (xsd:int)
http://linked.open...UplatneniVysledku	2002
http://linked.open...iv/tvurceVysledku	Kočí, Petr Kubíček, Milan Marek, Miloš Ekart, V.
http://linked.open...vavai/riv/typAkce	WRD - Světová
http://linked.open.../riv/zahajeniAkce	2002-05-27 (xsd:date)
http://linked.open...n/vavai/riv/zamer	http://linked.opendata.cz/resource/domain/vavai/zamer/MSM%20223400007
number of pages	10 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Slovenská technická univerzita v Bratislave
https://schema.org/isbn	80-227-1690-1
http://localhost/t...ganizacniJednotka	22340

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