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Catalytic Converter Thermal Environment Measurement Under Dynamometer Simulated Roadloads
Technical Paper
2000-01-0216
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
SAE 2000 World Congress
Language:
English
Abstract
An increasing number of passenger vehicle exhaust systems incorporate catalytic converters that are “close-coupled” to the exhaust manifold to further reduce the quantity of cold-start emissions and increase overall catalyst conversion efficiencies. In general, close-coupled catalytic converters are not necessarily subjected to higher inlet exhaust temperatures than conventional underbody catalytic converters. To establish a foundation of on-vehicle temperature data, several passenger vehicles with close-coupled catalytic converters were studied while operating on a chassis dynamometer. Converter temperatures were measured over a variety of vehicle test conditions, including accelerations and extended steady-state speeds for several throttle positions, at both zero- and four-percent simulated road grades.
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Authors
Topic
Citation
Spreen, K., Fox, D., Heimrich, M., Beason, R. et al., "Catalytic Converter Thermal Environment Measurement Under Dynamometer Simulated Roadloads," SAE Technical Paper 2000-01-0216, 2000, https://doi.org/10.4271/2000-01-0216.Also In
Advanced Catalysts Substrates and Advanced Converter Packaging
Number: SP-1532; Published: 2000-03-06
Number: SP-1532; Published: 2000-03-06
References
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- Weltens, H. Bressler H. Doll M. “Design of Exhaust Gas Catalyst Systems for European Applications,” SAE Paper 880318 1988
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- Reddy, K. P. Helfinstine J. D. Gulati S. T. “New Test for Characterizing the Durability of a Ceramic Catalytic Converter Package,” SAE Paper 960559 February 1996