The objective of this study to introduce the newly developed Discrete Channel Method (DCM) as a fast and efficient method for the prediction of the 3d and transient behaviour of honeycomb-type catalytic converters in automotive applications,. The approach is based on the assumption that the regions between the channels are treated as a reactor with a homogeneously distributed heat source due to chemical conversion. Therefore, each radial direction can be described by a center, a boundary and only a few intermediate channels between them. The discrete channels are described by transient, 1d conservation equations that characterize the behaviour of channels at different radial positions. The heat entering and leaving each discrete channel is evaluated by the gradients of the temperature field in conjunction with the heat conductivity of the substrate. The approach is validated by experimental data and serves as a module in the thermodynamic and engine analysis design tool BOOST.
Catalytic converters in a 1d cycle simulation code considering 3d behavior
2003
13 Seiten, 9 Bilder, 4 Tabellen, 32 Quellen
Conference paper
English
Catalytic Converters in a 1d Cycle Simulation Code Considering 3d Behavior
SAE Technical Papers | 2003
|2003-01-1002 Catalytic Converters in a 1d Cycle Simulation Code Considering 3d Behavior
British Library Conference Proceedings | 2003
|Catalytic converters in a 1d cycle simulation code considerung 3d behavior
Automotive engineering | 2003
|Automotive engineering | 1975
|Automobile catalytic converters
SLUB | 1984
|