Formation of urea injection related deposits in a heavy-duty urea-SCR system was studied using an engine lab setup. The exhaust system was instrumented with thermocouples to track temperature changes caused by the liquid spray. Impact of operating parameters (exhaust and ambient temperature, urea solution injection rate) and system design modification (insulation, wiremesh insert) on the temperature profiles and deposit quantities was studied.Deposits were found in all tests conducted under typical exhaust temperatures. Deposition rate increased with lower exhaust and ambient temperature, and with higher injection rate. Mixer insulation and wiremesh upstream of the mixer reduced the deposits.


    Zugriff

    Zugriff prüfen

    Verfügbarkeit in meiner Bibliothek prüfen

    Bestellung bei Subito €


    Exportieren, teilen und zitieren



    Titel :

    Deposit Formation in Urea-SCR Systems


    Weitere Titelangaben:

    Sae Int. J. Fuels Lubr
    Sae International Journal of Fuels and Lubricants


    Beteiligte:

    Kongress:

    SAE 2009 Powertrains Fuels and Lubricants Meeting ; 2009



    Erscheinungsdatum :

    02.11.2009


    Format / Umfang :

    7 pages




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




    Deposit formation io urea-SCR systems

    Strots,V.O. / Santhanam,S. / Adelman,B.J. et al. | Kraftfahrwesen | 2009



    Predictions of Urea Deposit Formation with CFD Using Autonomous Meshing and Detailed Urea Decomposition

    Yang, Pengze / Drennan, Scott | British Library Conference Proceedings | 2021


    A Fast Modeling Approach for the Numerical Prediction of Urea Deposit Formation

    Quissek, Max / Lauer, Thomas / Budziankou, Uladzimir | SAE Technical Papers | 2020


    A Fast Modeling Approach for the Numerical Prediction of Urea Deposit Formation

    Budziankou, Uladzimir / Quissek, Max / Lauer, Thomas | British Library Conference Proceedings | 2020