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Heat-Up Performance of Catalyst Carriers—A Parameter Study and Thermodynamic Analysis

Author

Listed:
  • Thomas Steiner

    (Department for Industrial Engineering and Management, Management Center Innsbruck, 6020 Innsbruck, Austria)

  • Daniel Neurauter

    (Department for Industrial Engineering and Management, Management Center Innsbruck, 6020 Innsbruck, Austria)

  • Peer Moewius

    (Department for Industrial Engineering and Management, Management Center Innsbruck, 6020 Innsbruck, Austria)

  • Christoph Pfeifer

    (Institute for Chemical and Energy Engineering, University of Natural Resources and Life Sciences, 1180 Vienna, Austria)

  • Verena Schallhart

    (Department for Industrial Engineering and Management, Management Center Innsbruck, 6020 Innsbruck, Austria)

  • Lukas Moeltner

    (Department for Industrial Engineering and Management, Management Center Innsbruck, 6020 Innsbruck, Austria
    Institute for Powertrains and Automotive Engineering, Vienna University of Technology, 1060 Vienna, Austria)

Abstract

This study investigates geometric parameters of commercially available or recently published models of catalyst substrates for passenger vehicles and provides a numerical evaluation of their influence on heat-up behavior. Parameters considered to have a significant impact on the thermal economy of a monolith are: internal surface area, heat transfer coefficient, and mass of the converter, as well as its heat capacity. During simulation experiments, it could be determined that the primary role is played by the mass of the monolith and its internal surface area, while the heat transfer coefficient only has a secondary role. Furthermore, an optimization loop was implemented, whereby the internal surface area of a commonly used substrate was chosen as a reference. The lengths of the thin wall and high cell density monoliths investigated were adapted consecutively to obtain the reference internal surface area. The results obtained by this optimization process contribute to improving the heat-up performance while simultaneously reducing the valuable installation space required.

Suggested Citation

  • Thomas Steiner & Daniel Neurauter & Peer Moewius & Christoph Pfeifer & Verena Schallhart & Lukas Moeltner, 2021. "Heat-Up Performance of Catalyst Carriers—A Parameter Study and Thermodynamic Analysis," Energies, MDPI, vol. 14(4), pages 1-28, February.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:4:p:964-:d:498011
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    Citations

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    Cited by:

    1. Michael Bohm & Josef Stetina & David Svida, 2022. "Exhaust Gas Temperature Pulsations of a Gasoline Engine and Its Stabilization Using Thermal Energy Storage System to Reduce Emissions," Energies, MDPI, vol. 15(7), pages 1-16, March.
    2. Seok Kim & Sang-Hoon Nam & Seokho Kim & Young Tae Cho & Nicholas X. Fang, 2022. "Low Heat Capacity 3D Hollow Microarchitected Reactors for Thermal and Fluid Applications," Energies, MDPI, vol. 15(11), pages 1-15, June.
    3. Gwang Ho Jeong & Seok Kim & Young Tae Cho, 2022. "Numerical Study of the Thermal and Fluid Behavior of Three-Dimensional Microstructures for Efficient Catalytic Converters," Energies, MDPI, vol. 15(12), pages 1-12, June.

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