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Impact of Manifold Design on Flow Distribution of a Close-Coupled Catalytic Converter
Technical Paper
2005-01-1626
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
Moving the catalytic converter closer to the engine reduces its light-off time. However, temperature and pulsating flow have a stronger impact on a close-coupled catalytic converter than an under-floor. For close-coupled architecture, manifold design may play a major role by affecting flow distribution. Consequently, emission performance and durability of thin-wall substrates can be affected.
The study being carried out aims at highlighting the impact of manifold design on flow distribution focusing on different manifold configurations. Flow distribution results in hot wire probe measurements. Temperature measurements support the results. Experiments are finally confronted with CFD predictions.
The results obtained give trends to design both close-coupled catalytic converter and manifold for better emission performance and resistance to erosion.
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Citation
Salasc, S., Barrieu, E., and Leroy, V., "Impact of Manifold Design on Flow Distribution of a Close-Coupled Catalytic Converter," SAE Technical Paper 2005-01-1626, 2005, https://doi.org/10.4271/2005-01-1626.Also In
References
- Campbell B. Finch A. Tancell P. Hitchings A. Marsh M. Lloyd-Thomas D. Gregory D. “Effect of Catalyst Inlet Cone Flow Maldistribution on Emissions Performance of a Close-Coupled Catalytic Converter” 2004 SAE Paper 2004-01-1489
- Martin A.P. Will N.S. Bordet A. Cornet P. Gondoin C. Mouton X. “Effect of Flow Distribution on Emissions Performance of Catalytic Converters” 1998 SAE Paper 980936
- Windmann J. Braun J. Zacke P. Tischer S. Deutschmann O. Warnatz J. “Impact of the Inlet Flow Distribution on the Light-Off Behavior of a 3-Way Catalytic Converter” 2003 SAE Paper 2003-01-0937
- Park S.-B. Kim H.-S. Cho K.-M. Kim W. -T. “An Experimental and Computational Study of Flow Characteristics in Exhaust Manifold and CCC (Close-Coupled Catalyst)” 1998 SAE Paper 980128
- Cho Y.-S. Kim D.-S. Han M. Joo Y. Lee J.-H. Min K.-D. “Flow Distribution in a Close-Coupled Catalytic Converter” 1998 SAE Paper 982552
- Day J.P. “Particulate Erosion of Automotive Catalyst Supports” SAE Paper No. 01FL-328 2001
- Hampton L.E. Shanley D.L. Miao Weiguo Tilgner I.-C. Lê B. Hodjati S. SAE Paper 2003-01-3071
- Kaiser R. Hoβfeld C. MTZ 4/2003 64
- Cardone M. Cioffi V. Fiorenza R. Gaudino P. Senatore A. Torella E. “An “Hot and Cold” Experimental Analysis of Flow Distribution in a Close-Coupled Catalytic Converter” 2002 ASME Paper 2002-ICE-454