Traditionally exhaust catalysts have been dimensioned and adjusted to suit vehicles on the basis of the characteristics and parameters of the ceramic catalyst. The metal catalyst differs, however, so much from the ceramic one that the dimensioning principles of the ceramic catalyst are not altogether appropriate for it. The metal substrate gives the catalyst designer a great deal of latitude in dimensioning, so that the optimum function-durability-price relationship can be achieved. In the metal catalyst the cell density can easily be changed. The geometric surface area, pressure drop and conversion efficiency will all change at the same time. This paper examines the effect of cell densities and catalyst volumes on the functioning of the catalyst. The catalyst performance depends strongly on the temperature. The effect of thermal insulation on a metal catalyst is also examined.


    Access

    Check access

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    How to Achieve Optimum Physical Properties in the Metal Catalyst


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    International Congress & Exposition ; 1991



    Publication date :

    1991-02-01




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




    How to achieve optimum physical properties in the metal catalyst

    Lylykangas,R. / Lappi.P. | Automotive engineering | 1991


    Electrodialysis Simulation to Achieve Optimum Current Density

    Herrmann, Cal C. | SAE Technical Papers | 1993



    Powertrain Mounting Design Principles to Achieve Optimum Vibration Isolation with Demonstration Tools

    Hoppe, Clarence / Sui, J. Shane / Hirshey, John | SAE Technical Papers | 2003


    Powertrain mounting design principles to achieve optimum vibration isolation with demonstration tools

    Sui,J.S. / Hoppe,C. / Hirshey,J. et al. | Automotive engineering | 2003