The in-situ measurement of the temperature distribution on the cavity wall surface in diesel particulate filters using the infrared radiation thermometry was developed. The temperature measurement system consists of a sapphire fiber with 45° angled tip, PbS/PbSe two-color sensor, and data conditioning and acquisition device. A calibration technique using the blackbody cavity was developed. Calibration curves were generated between 80 to 400°C, the temperature range of special interest for applications in catalyzed diesel particulate filters. One-color and two-color radiation thermometry methods were both employed and compared. The wall surface temperature of a microwave-heated ceramic filter was measured at four locations. This study demonstrates the feasibility of using the infrared thermometry for non-contact temperature measurement at a specific region within the cavity of diesel exhaust aftertreatment devices.


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    Titel :

    Infrared Thermometry for Diesel Exhaust Aftertreatment Temperature Measurement


    Weitere Titelangaben:

    Sae Technical Papers


    Beteiligte:
    Shih, Albert J. (Autor:in) / Kong, Jian (Autor:in)

    Kongress:

    SAE 2004 World Congress & Exhibition ; 2004



    Erscheinungsdatum :

    08.03.2004




    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch




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