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A Study of Fuel Economy Improvement on US Fuel Economy Test Cycle by Model Based Cooled HP EGR System and Robust Logic through S-FMEA Hyundai Motor Company
- Format:
- Conference/Event
- Author/Creator:
- Kim, Kim, author.
- Conference Name:
- SAE 2015 World Congress & Exhibition (2015-04-21 : Detroit, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource
- Place of Publication:
- Warrendale, PA SAE International 2015
- Summary:
- AbstractThis paper focuses on the vehicle test result of the US fuel economy test cycles such as FTP75, HWY and US06 with model based Cooled EGR system. Cooled EGR SW function was realized by Model Based Development (internal rapid prototyping) using iRPT tool. With EGR, mixing exhaust gas with clean air reduces the oxygen concentration in the cylinder charge, as a result, the combustion process is slowed, and the combustion temperature drops.This experiment confirmed that the spark timing was more advanced without knocking and manifold pressure was increased in all cases with EGR. A positive potential of fuel economy improvement on FTP mode, US06 mode have seen in this experiment but not for HWY where the engine load is quite low and the spark advance is already optimized. As a result, fuel economy was increased by maximum 3.3% on FTP, 2.7% on US06, decreased by 0.3% on HWY mode respectively with EGR
- Notes:
- Vendor supplied data
- Publisher Number:
- 2015-01-1637
- Access Restriction:
- Restricted for use by site license
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