Conventional computational fluid dynamics (CFD) methods for simulating the flow through automotive exhaust catalysts assume a monolith resistance based on one-dimensional laminar flow. This underpredicts the flow maldistribution in the monolith. Incorporation of an additional pressure loss accounting for entrance effects improves predictions for the maximum flow velocity within the substrate.
|Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science
|Published - 2001
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- flow maldistribution
- catalytic converters
- entrance effects