Computer aided engineering (CAE) methodologies are increasingly being applied to assist the design of spark-ignition (SI) engine exhaust aftertreatment systems in view of the stage III and IV emissions standards. Following this trend, the design of diesel exhaust aftertreatment systems is receiving more attention owing to the capabilities of recently developed mathematical models. The design of diesel exhaust systems must cope with three major aftertreatment categories: diesel oxidation catalysts, diesel particulate filters and de-NOx catalytic converters. An integrated CAE methodology that could assist the design of all these classes of systems is described in this paper. It employs the following computational tools: a computer code for modelling transient exhaust system heat transfer, a computer code for modelling the transient operation of a diesel oxidation or a de-NOx catalytic converter, a database containing chemical kinetics data for a variety of oxidation and de-NOx catalyst formulations and a computer code for modelling the loading and regeneration behaviour of a wall-flow filter, assisted by catalytic fuel additives. Application of the CAE methodology, which helps the exhaust aftertreatment system design engineer to meet the future emissions standards, is highlighted by referring to a number of representative case studies.


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    Titel :

    Computer aided engineering in diesel exhaust aftertreatment systems design


    Beteiligte:


    Erscheinungsdatum :

    1999-06-01


    Format / Umfang :

    16 pages




    Medientyp :

    Aufsatz (Zeitschrift)


    Format :

    Elektronische Ressource


    Sprache :

    Englisch





    Computer aided engineering in diesel exhaust aftertreatment systems design

    Stamatelos,A.M. / Koltsakis,G.C. / Kandylas,I.P. et al. | Kraftfahrwesen | 1999


    Computer Aided Engineering in the Development of Diesel Exhaust Aftertreatment Systems

    Stamatelos, A. M. / Koltsakis, G. C. / Kandylas, I. P. et al. | British Library Conference Proceedings | 1999


    Computer aided engineering in the development of Diesel exhaust aftertreatment systems

    Stamatelos,A.M. / Koltsakis,G.C. / Kandylas,I.P. et al. | Kraftfahrwesen | 1999


    Computer Aided Engineering in the Development of Diesel Exhaust Aftertreatment Systems

    Stamatelos, A. M. / Koltsakis, G. C. / Pontikakis, G. N. et al. | SAE Technical Papers | 1999