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  • Unknown kinetic parameters of the reactions were evaluated from transient experiments. Lab experimental data were compared with the output of the mathematical model. Kinetic constants of the reactions (preexponencial factors, activation energies and inhibition constants) were evaluated using optimalization methods. Weighted least squares objective function was optimized by simplex method. The temperature dependence of the NOX storage capacity is analyzed and discussed. The effects of lengths of the lean and rich phases on the integral NOX conversion are studied, as well as the effects of internal diffusion in the catalytic washcoat layer. The results of the computations agree well with the experimental data.
  • Unknown kinetic parameters of the reactions were evaluated from transient experiments. Lab experimental data were compared with the output of the mathematical model. Kinetic constants of the reactions (preexponencial factors, activation energies and inhibition constants) were evaluated using optimalization methods. Weighted least squares objective function was optimized by simplex method. The temperature dependence of the NOX storage capacity is analyzed and discussed. The effects of lengths of the lean and rich phases on the integral NOX conversion are studied, as well as the effects of internal diffusion in the catalytic washcoat layer. The results of the computations agree well with the experimental data. (en)
  • Neznámé kinetické parametry reakcí byly vyhodnocovány z experimentů. Laboratorní data byla srovnávána s výsledky modelu. Kinetické konstanty reakcí (frekvenční faktory, aktivační energie a inhibiční konstanty) byly vyhodnocovány pomocí optimalizačních metod. Účelová funkce vážených nejmenších čtverců byla optimalizována simplexovou metodou. Závislost ukládání NOX na teplotě je také diskutována. Efekty dob chudé a bohaté fáze na integrální konverzi NOX byly též studovány, tak jako efekty vnitřní difúze v katalytické vrstvě. Výsledky simulací jsou v dobré shodě s laboratorními daty. (cs)
Title
  • Evaluation of kinetic parameters of NOX storage catalytic monolith converter
  • Evaluation of kinetic parameters of NOX storage catalytic monolith converter (en)
  • Vyhodnocování kinetických parametrů katalytického konvertoru s NOX depozicí (cs)
skos:prefLabel
  • Evaluation of kinetic parameters of NOX storage catalytic monolith converter
  • Evaluation of kinetic parameters of NOX storage catalytic monolith converter (en)
  • Vyhodnocování kinetických parametrů katalytického konvertoru s NOX depozicí (cs)
skos:notation
  • RIV/60461373:22340/05:00015304!RIV06-GA0-22340___
http://linked.open...avai/riv/aktivita
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  • P(GA104/05/2616), P(GD104/03/H141), Z(MSM6046137306)
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  • 520732
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  • RIV/60461373:22340/05:00015304
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  • NOX storage; mathematical modelling; catalyst; monolith; exhaust gas (en)
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  • [A6465A86B0C2]
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  • Kočí, Petr
  • Kubíček, Milan
  • Marek, Miloš
  • Schejbal, Matyáš
http://linked.open...n/vavai/riv/zamer
http://localhost/t...ganizacniJednotka
  • 22340
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