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Synergies of Cooled External EGR, Water Injection, Miller Valve Events and Cylinder Deactivation for the Improvement of Fuel Economy on a Turbocharged-GDI Engine; Part 2, Engine Testing Hyundai Motor Company
- Format:
- Book
- Conference/Event
- Author/Creator:
- Choi, Choi, author.
- Conference Name:
- WCX SAE World Congress Experience (2019-04-09 : Detroit, Michigan, United States)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2019
- Summary:
- AbstractAs CO2 legislation tightens, the next generation of turbocharged gasoline engines must meet stricter emissions targets combined with increased fuel efficiency standards. Recent studies have shown that the following technologies offer significant improvements to the efficiency of turbocharged GDI engines: Miller Cycle via late intake valve closing (LIVC), low pressure loop cooled EGR (LPL EGR), port water injection (PWI), and cylinder deactivation (CDA). While these efficiency-improving technologies are individually well-understood, in this study we directly compare these technologies to each other on the same engine at a range of operating conditions and over a range of compression ratios (CR). The technologies tested are applied to a boosted and direct injected (DI) gasoline engine and evaluated both individually and combined. The results show for the test engine, given all of the technologies available, what the best combinations are for all tested speeds and loads, at each compression ratio studied
- Notes:
- Vendor supplied data
- Publisher Number:
- 2019-01-0242
- Access Restriction:
- Restricted for use by site license
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