About: Numerical simulation of gas-contaminated refrigerant two-phase flow through

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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	An unfavorable effect of gas impurities on the throttling process inside a capillary tube has been studied. A special testing capillary tube has been used for an experimental investigation of the capillary flow of a fluorocarbon refrigerant R218 contaminated by nitrogen. The gas impurities significantly affected the throttling process, since the two-phase flow started notably earlier than in the case of pure refrigerant flow. Moreover, the gas contamination resulted in a decreased mass flow rate. A comprehensive numerical model has been developed to simulate the capillary flow of gas-contaminated refrigerant. The model takes into account two coincident thermodynamic events: the throttling process of the refrigerant and the gradual release of the dissolved gas impurities from the refrigerant liquid phase. The model considers adiabatic, thermodynamically equilibrated capillary flow with homogeneous two-phase flow. The numerical simulation is in good agreement with our experimental data. An unfavorable effect of gas impurities on the throttling process inside a capillary tube has been studied. A special testing capillary tube has been used for an experimental investigation of the capillary flow of a fluorocarbon refrigerant R218 contaminated by nitrogen. The gas impurities significantly affected the throttling process, since the two-phase flow started notably earlier than in the case of pure refrigerant flow. Moreover, the gas contamination resulted in a decreased mass flow rate. A comprehensive numerical model has been developed to simulate the capillary flow of gas-contaminated refrigerant. The model takes into account two coincident thermodynamic events: the throttling process of the refrigerant and the gradual release of the dissolved gas impurities from the refrigerant liquid phase. The model considers adiabatic, thermodynamically equilibrated capillary flow with homogeneous two-phase flow. The numerical simulation is in good agreement with our experimental data. (en)
Title	Numerical simulation of gas-contaminated refrigerant two-phase flow through Numerical simulation of gas-contaminated refrigerant two-phase flow through (en)
skos:prefLabel	Numerical simulation of gas-contaminated refrigerant two-phase flow through Numerical simulation of gas-contaminated refrigerant two-phase flow through (en)
skos:notation	RIV/61388998:_____/10:00346592!RIV11-GA0-61388998
http://linked.open...avai/riv/aktivita	P Z
http://linked.open...avai/riv/aktivity	P(GA101/09/1633), P(IAA400720710), P(LA08015), P(LA08032), Z(AV0Z20760514)
http://linked.open...iv/cisloPeriodika	23-24
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Hrubý, Jan Vinš, Václav
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	Ústav termomechaniky AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	275640
http://linked.open...ai/riv/idVysledku	RIV/61388998:_____/10:00346592
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	capillary tube; henry’s law; non-condensing gases (en)
http://linked.open.../riv/klicoveSlovo	capillary tube henry’s law non-condensing gases
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[8D97BA270904]
http://linked.open...i/riv/nazevZdroje	International Journal of Heat and Mass Transfer
http://linked.open...in/vavai/riv/obor	BJ
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	3 (xsd:int)
http://linked.open...vavai/riv/projekt	Determination of the phase and state behaviour of fluids and fluid mixtures for processes at superambient conditions: molecular-based theory and experiment Collaboration of the Czech Republic with CERN International experiment ATLAS-CERN Development and application of new experimental methods to measure heterogeneous particles in superheated steam
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	53
http://linked.open...iv/tvurceVysledku	Hrubý, Jan Vinš, Václav Vacek, V.
http://linked.open...ain/vavai/riv/wos	000282155900043
http://linked.open...n/vavai/riv/zamer	Complex dynamical systems in thermodynamics, fluid and solid mechanics
issn	0017-9310
number of pages	10 (xsd:int)

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