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Effect of EGR Rate on Cyclohexanol-Diesel Dual-fuel Engines Marine Engineering Institute, Jimei University
- Format:
- Book
- Conference/Event
- Author/Creator:
- Liu, Yuchen, author.
- Yang, Chenxi, author.
- Fan, Jinyu, author.
- Chen, Ke, author.
- Ye, Zixiao, author.
- Huang, Jialiang, author.
- Conference Name:
- 2025 2nd International Conference on Sustainable Development and Energy Resources (SDER 2025) (2025-08-01 : Shenzhen, China)
- Language:
- English
- Subjects (All):
- Nitrogen oxides.
- Ignition timing.
- Dual fuel engines.
- Fuel economy.
- Combustion and combustion processes.
- Exhaust gas recirculation (EGR).
- Pressure.
- Emissions.
- Local Subjects:
- Nitrogen oxides.
- Ignition timing.
- Dual fuel engines.
- Fuel economy.
- Combustion and combustion processes.
- Exhaust gas recirculation (EGR).
- Pressure.
- Emissions.
- Physical Description:
- 1 online resource
- Place of Publication:
- Warrendale, PA SAE International 2026
- Summary:
- To reduce high NOx emissions from diesel-cyclohexanol blends, this study employed a marine medium-speed diesel engine as the experimental platform. An in-cylinder combustion model was developed and meshed using AVL - FIRE software, with model validity validated against experimental data. Tests were conducted at four load conditions (25%, 50%, 75%, and 100% load) with a 30% cyclohexanol blend (C30) and four EGR rates (0%, 7.5%, 10%, and 12.5%) to analyze combustion characteristics, emissions, and fuel economy. The results showed that the introduction of EGR had a striking inhibitory effect on NOx emissions. At 100% load with 12.5% EGR rate, NOx emissions were substantially reduced compared to baseline operation without EGR. However, EGR implementation led to delayed ignition timing, reduced in-cylinder pressure, and worsened fuel economy. Therefore, an appropriately calibrated EGR strategy can effectively reduce NOx emissions, though it requires optimization to mitigate adverse effects on combustion performance and efficiency
- Notes:
- Vendor supplied data
- Access Restriction:
- Restricted for use by site license
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