Catalytic Converter Thermal Environment Measurement Under Dynamometer Simulated Roadloads 2000-01-0216
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.
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. Download Citation
Author(s):
Kent B. Spreen, Douglas J. Fox, Martin J. Heimrich, Richard Beason, Andrew Montalbano, Jonathan Kisenyi
Affiliated:
Southwest Research Institute, Ford Motor Company
Pages: 20
Event:
SAE 2000 World Congress
ISSN:
0148-7191
e-ISSN:
2688-3627
Also in:
Advanced Catalysts Substrates and Advanced Converter Packaging-SP-1532, SAE 2000 Transactions Journal of Fuels and Lubricants-V109-4
Related Topics:
Catalytic converters
Emissions control
Emissions measurement
Test equipment and instrumentation
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