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Improved Catalyst Systems for SULEV Legislation: First Practical Experience
Technical Paper
2000-01-0500
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SAE 2000 World Congress
Language:
English
Abstract
In order to achieve SULEV emission legislation the overall efficiency of the exhaust gas aftertreatment system has to be increased. Beside engine-out emissions and air/fuel ratio control especially during cold start and during transient driving conditions the catalyst has to be optimized regarding cold start and efficiency under warmed-up conditions. The paper will show emission test results of different catalyst designs (various cell-densities and foil thicknesses, cone-shape catalysts and electrically heated catalysts) measured on a dynamic engine test bench. With an optimized SULEV catalyst system emission tests in a close-coupled position of a mid-size passenger car will be presented.
Topic
Citation
Holy, G., Brück, R., and Hirth, P., "Improved Catalyst Systems for SULEV Legislation: First Practical Experience," SAE Technical Paper 2000-01-0500, 2000, https://doi.org/10.4271/2000-01-0500.Also In
Advanced Catalysts Substrates and Advanced Converter Packaging
Number: SP-1532; Published: 2000-03-06
Number: SP-1532; Published: 2000-03-06
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