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Integrated Exhaust Manifold Cylinder Head Design Methodology for RDE in Gasoline Engine Application
Technical Paper
2020-01-0169
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
In recent years, worldwide automotive manufacturers have been continuously working in the research of suitable technical solutions to meet upcoming stringent Real Driving Emission (RDE) and Corporate Average Fuel Economy (CAFÉ) targets, as set by international regulatory authorities. Many technologies have been already developed, or are currently under study by automotive manufacturer for gasoline engines, to meet legislated targets.
In-line with the above objective, there are many technologies available in the market to expand lambda 1 (λ=1) region by reducing fuel enrichment at high load-high revolutions per minute (RPM) by reducing exhaust gas temperature (for catalyst protection) for RDE regulation [1]. Integrated Exhaust Manifold (IEM) is the key technology for the Internal Combustion (IC) for the subjected matter as catalyst durability protection is done by reducing exhaust gas temperatures instead of injecting excess fuel for cooling catalyst. Additionally, this technology also helps in cost saving due to reduced parts count, in engine weight reduction, improve the response and increase fuel economy during the cold start stage of Modified Indian Driving Cycle (MIDC) and Worldwide harmonized Light vehicles Test Cycles (WLTC) by faster warm-up of coolant in cold stage and also fuel enrichment reduction (reduced fueling requirement) in high-speed regions of these cycles as shown in Figure 1.
Authors
- Amandeep Singh - Maruti Suzuki India, Ltd.
- Jaspreet Singh - Maruti Suzuki India, Ltd.
- Sanjay Poonia - Maruti Suzuki India, Ltd.
- Ankit Jalan - Maruti Suzuki India, Ltd.
- Narinder Kumar - Maruti Suzuki India, Ltd.
- Shailender Sharma - Maruti Suzuki India, Ltd.
- Deepali Agarwal - Maruti Suzuki India, Ltd.
- Kushal Puri - Maruti Suzuki India, Ltd.
Citation
Singh, A., Singh, J., Poonia, S., Jalan, A. et al., "Integrated Exhaust Manifold Cylinder Head Design Methodology for RDE in Gasoline Engine Application," SAE Technical Paper 2020-01-0169, 2020, https://doi.org/10.4271/2020-01-0169.Data Sets - Support Documents
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References
- Liebl , J. , Beidl , C. , and Maus , W. Internationaler Motorenkongress Proceedings, “All Lambda 1 Gasoline Powertrains” 2018 https://link.springer.com/chapter/10.1007%2F978-3-658-21015-1_7
- Singh , A. , Poonia , S. , Jalan , A. , Singh , J. et al. Intake and Exhaust Ports Design for Tumble and Mass Flow Rate Improvements in Gasoline Engine SAE Technical Paper 2019-01-0763 2019 https://doi.org/10.4271/2019-01-0763
- Cho , J. , Kim , K. , Yang , K. , Suh , I. et al. The CAE Analysis of a Cylinder Head Water Jacket Design for Engine Cooling Optimization SAE Technical Paper 2018-01-1459 2018 https://doi.org/10.4271/2018-01-1459
- Chang , T. , Park , M. , Kim , K. , and Yang , K. Development of 4-Cylinder 2.0L Gasoline Engine Cooling System Using 3-D CAE SAE Technical Paper 2019-01-0156 2019 https://doi.org/10.4271/2019-01-0156