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Comprehensive approach to the work of catalysts in engine exhaust systems

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EN
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EN
The use of a catalytic converter is aimed first of all at reduction of the incomplete combustion products emission. Conversion rate of harmful substances is the principal parameterr of catalyst work in respect of ecology. However, resistance of exhaust gas flow through the catalytic converter is also essential problem, apart from its chemical efficiency because fining the catalyst in exhaust system alters flow characteristic of this system significantly. Thus, there was general purpose of the carried out experiments - determination of interdependence between operating parameters of engine work and conditions of exhaust gas flow through the selected catalysts tested. Flow resistance generated by converter is considered as a local resistance. Resistance number of the calalyst was calculated using Darcy model. lnquiries into relationship between flow and structural parameters of the converters were also made. Comparison of flow resistances for the tested converters is presented.
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  • Silesian University of Technology Institute of Thermal Engineering 44-100 Gliwice, Konarskiego 22, Poland
  • Silesian University of Technology Institute of Thermal Engineering 44-100 Gliwice, Konarskiego 22, Poland
  • Silesian University of Technology Institute of Thermal Engineering 44-100 Gliwice, Konarskiego 22, Poland
Bibliografia
  • [1] Maus W., Jumping the SULEV Hurdle with “Cascades”. Auto Technology, 2, 2001.
  • [2] Postrzednik S., Thermodynamics of Flow Phenomena. Gliwice: Silesian University of Technology, 1991.
  • [3] Searles R., Welcome to Emission Control. Engine Technology International, 4, 1998.
  • [4] Zmudka Z., Postrzednik S., Ciesiolkiewicz A. Chemical Efficiency and Flow Resistance of Catalytic Converters in Automotive Applications. Proceedings of the 29th international Symposium on Combustion. Hokkaido University. Sapporo, 2002.
  • [5] Zmudka Z, Postrzednik S, Ciesiolkiewicz: Evaluation of work parameters of oxidation catalysts in diesel engine exhaust system. Journal of KONES - Internal Combustion Engines. Vol. 10, No. 3-4. 2003.
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-article-BUJ6-0024-0079
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