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Effect of Gasoline Component on Fuel Economy of WLTC Drive with EGR and Lean Combustion Chiba University
- Format:
- Book
- Conference/Event
- Author/Creator:
- Moriyoshi, Yasuo, author.
- Conference Name:
- 2025 Stuttgart International Symposium (2025-07-02 : Stuttgart, Germany)
- Language:
- English
- Physical Description:
- 1 online resource cm
- Place of Publication:
- Warrendale, PA SAE International 2025
- Summary:
- It is becoming increasingly clear that research into alternative fuels, including drop-in fuels, is essential for the continued survival of the internal combustion engine. In this study, the authors have evaluated olefinic and oxygenated fuels as drop-in fuels using a single-cylinder engine and considering fuel characteristic parameters. The authors have assessed thermal efficiency by adding EGR or excess air from zero to the maximum value that allows stable combustion. Next, we attempted to predict fuel efficiency for four types of passenger cars (Japanese small K-car N/A, K-car T/C, Series HV, and Power-split HV) by changing the fuels. We created a model to estimate fuel efficiency during WLTC driving. The results indicated that fuel economy could potentially be improved by adding an olefin fuel that burns stably even with a large amount of EGR or air and an oxygen fuel whose octane number increases. It was observed that the fuel economy improvement rate was particularly notable for Series-Hybrid Vehicle (HV) with operating under specific load and engine speed conditions
- Notes:
- Vendor supplied data
- Publisher Number:
- 2025-01-0305
- Access Restriction:
- Restricted for use by site license
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