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| Description
| - Wepresentsensitivityanalysisofgastransportproblemsrelatedtoexperimentalsetupsthatare routinelyusedfordeterminationofeffectivetransportparametersofmacroporoussolids.Therelevance of largetotalpressurevariationstoreliableestimationoftheeffectivetransportparametersis emphasized intwoexperimentalsetups,particularlyquasistationarypermeationandclassicalWicke- Kallenbach cells.Itisshownthatvariationsofothersystemparameters,suchastemperature,numberof gases orinlet flow ratescannotresembletheefficiency oftotalpressurechangesinestimatingthe parameters.FortheclassicalWicke-Kallenbach cellandbinarymixtures,itwasfoundthatthereare narrowintervalsofoutletmolefractionsinwhichtherelatedboundary-valueproblemexhibitsthe maximum sensitivitytomodifications ofthetransportparameters,i.e.therearetheoptimalconditions for regressionanalysis.Theruleofadjustingtheoptimalconditionsissimple:theoutletmolefractions, which caneasilybecontrolledbysettingtheinlet flow rates,mustbeclosetothemiddleoftheir admissible intervals.Porenetworkmodellingsupportedtheseresultsandhelpedusrevealasourceof systematicdeviationsbetweentheeffectivetransportparametersobtainedeitherfrompermeation experimentsorfromdiffusionexperiments.Specifically,theoverallnetwork flow rateresultingfrom non-linear functionalrelationshipsbetween fluxesanddrivingforcesontheporescaleandfromthelaw of massconservationinnetworknodesdoesnotexactlyconformtothesimilar flowratebasedonthe effectiveparametersifthetotalpressurespanislarge.Consequently,biasedvaluesoftheeffective transport parameterscounterbalancethedeficiency oftheassociatedmodels
- Wepresentsensitivityanalysisofgastransportproblemsrelatedtoexperimentalsetupsthatare routinelyusedfordeterminationofeffectivetransportparametersofmacroporoussolids.Therelevance of largetotalpressurevariationstoreliableestimationoftheeffectivetransportparametersis emphasized intwoexperimentalsetups,particularlyquasistationarypermeationandclassicalWicke- Kallenbach cells.Itisshownthatvariationsofothersystemparameters,suchastemperature,numberof gases orinlet flow ratescannotresembletheefficiency oftotalpressurechangesinestimatingthe parameters.FortheclassicalWicke-Kallenbach cellandbinarymixtures,itwasfoundthatthereare narrowintervalsofoutletmolefractionsinwhichtherelatedboundary-valueproblemexhibitsthe maximum sensitivitytomodifications ofthetransportparameters,i.e.therearetheoptimalconditions for regressionanalysis.Theruleofadjustingtheoptimalconditionsissimple:theoutletmolefractions, which caneasilybecontrolledbysettingtheinlet flow rates,mustbeclosetothemiddleoftheir admissible intervals.Porenetworkmodellingsupportedtheseresultsandhelpedusrevealasourceof systematicdeviationsbetweentheeffectivetransportparametersobtainedeitherfrompermeation experimentsorfromdiffusionexperiments.Specifically,theoverallnetwork flow rateresultingfrom non-linear functionalrelationshipsbetween fluxesanddrivingforcesontheporescaleandfromthelaw of massconservationinnetworknodesdoesnotexactlyconformtothesimilar flowratebasedonthe effectiveparametersifthetotalpressurespanislarge.Consequently,biasedvaluesoftheeffective transport parameterscounterbalancethedeficiency oftheassociatedmodels (en)
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| Title
| - On the measurement of transport parameters of porous solids in permeation and Wicke-Kallenbach cells
- On the measurement of transport parameters of porous solids in permeation and Wicke-Kallenbach cells (en)
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| skos:prefLabel
| - On the measurement of transport parameters of porous solids in permeation and Wicke-Kallenbach cells
- On the measurement of transport parameters of porous solids in permeation and Wicke-Kallenbach cells (en)
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| skos:notation
| - RIV/60461373:22310/14:43897139!RIV15-GA0-22310___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...iv/cisloPeriodika
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/60461373:22310/14:43897139
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Sensitivity analysis Pore networkmodelling Knudsen flow Slip flow Viscous flow Isobaric counter-currentdiffusion (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...odStatuVydavatele
| - US - Spojené státy americké
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...i/riv/nazevZdroje
| - Chemical Engineering Science
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| http://linked.open...in/vavai/riv/obor
| |
| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
| |
| http://linked.open...UplatneniVysledku
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| http://linked.open...v/svazekPeriodika
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| http://linked.open...iv/tvurceVysledku
| - Veselý, Martin
- Hejtmánek, Vladimír
- Čapek, Pavel
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| issn
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| number of pages
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| http://bibframe.org/vocab/doi
| - 10.1016/j.ces.2014.07.039
|
| http://localhost/t...ganizacniJednotka
| |
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