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The optimization of Exhaust and Catalytic Converter System for ULEV-II using the Robust Design
Technical Paper
2007-01-0560
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
The conventional aftertreatment systems to meet the stringent ULEV-II emission regulation are usually composed of warm-up catalytic converter (WCC) and underfloor catalytic converter (UCC). However, those systems bring high cost, high back pressure, the limit of engine room for package design, and other side effects.[4] The new optimized system needs to solve these problems and to meet ULEV-II emission regulation efficiently.
There are many technologies and design parameters in exhaust catalytic converter systems; exhaust manifold structure[9], exhaust gas flow distribution, location of catalytic converter, PM coating technologies[1], substrate characteristics, and volume of catalysts. It is a key factor to make a optimized robust system with those parameters and technologies described.
The new optimized exhaust and Integrated Close-coupled Catalytic Converter (ICCC) system can meet ULEV-II regulation and can solve those problems of conventional system by a robust design. This study was focused on the optimization process of exhaust and ICCC system to determine robust design control factors, which are durability of catalyst - aged and/or fresh -, by vehicle evaluation, FTP-75.
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Authors
Topic
Citation
Kim, S., Kim, S., Park, Y., Kim, Y. et al., "The optimization of Exhaust and Catalytic Converter System for ULEV-II using the Robust Design," SAE Technical Paper 2007-01-0560, 2007, https://doi.org/10.4271/2007-01-0560.Also In
Reliability and Robust Design in Automotive Engineering, 2007
Number: SP-2119; Published: 2007-04-16
Number: SP-2119; Published: 2007-04-16
References
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