About: Air Ingress Process Simulations in CFD

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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)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.enygf.eu/download/01/01_16_Gregor_paper.pdf
Description	Two separate phases - isothermal molecular diffusion and non-isothermal diffusion with natural circulation - were simulated in CFD program Fluent. The CFD solver was exercised and the results were compared with experimental data. The influence of the size of computational mesh and length of time step of unsteady solver were studied. For the simulation of isothermal molecular diffusion the coarser mesh with about 9000 hexahedral cells was suitable. The length of time step of about 0,05s seems to be optimal. The non-isothermal diffusion and natural circulation simulations were performed and compared with the experimental data. The simulated onset time of the natural circulation was not quite in a good agreement with the experiment with deviation of 18%. Two separate phases - isothermal molecular diffusion and non-isothermal diffusion with natural circulation - were simulated in CFD program Fluent. The CFD solver was exercised and the results were compared with experimental data. The influence of the size of computational mesh and length of time step of unsteady solver were studied. For the simulation of isothermal molecular diffusion the coarser mesh with about 9000 hexahedral cells was suitable. The length of time step of about 0,05s seems to be optimal. The non-isothermal diffusion and natural circulation simulations were performed and compared with the experimental data. The simulated onset time of the natural circulation was not quite in a good agreement with the experiment with deviation of 18%. (en)
Title	Air Ingress Process Simulations in CFD Air Ingress Process Simulations in CFD (en)
skos:prefLabel	Air Ingress Process Simulations in CFD Air Ingress Process Simulations in CFD (en)
skos:notation	RIV/68407700:21220/11:00187817!RIV12-MSM-21220___
http://linked.open...avai/riv/aktivita	Z
http://linked.open...avai/riv/aktivity	Z(MSM6840770020)
http://linked.open...vai/riv/dodaniDat	2012
http://linked.open...aciTvurceVysledku	Gregor, Karel
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	České vysoké učení technické v Praze / Fakulta strojní
http://linked.open...dnocenehoVysledku	184906
http://linked.open...ai/riv/idVysledku	RIV/68407700:21220/11:00187817
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	CFD simulations; HTGR; JAERI experiments (en)
http://linked.open.../riv/klicoveSlovo	CFD simulations HTGR JAERI experiments
http://linked.open...ontrolniKodProRIV	[06195C0F66DF]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	ENYGF 2011 - Extended Abstracts
http://linked.open...in/vavai/riv/obor	JF
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	1 (xsd:int)
http://linked.open...UplatneniVysledku	2011
http://linked.open...iv/tvurceVysledku	Gregor, Karel
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2011-05-17 (xsd:date)
http://linked.open...n/vavai/riv/zamer	BEZPEČNOST JADERNÝCH ZAŘÍZENÍ
number of pages	1 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Czech Nuclear Society - Czech Young Generation
https://schema.org/isbn	978-80-02-02320-3
http://localhost/t...ganizacniJednotka	21220

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