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A Comparative Study of Combustion Stability Improvement via Prolonged Discharge Duration under Engine Idling Conditions University of Windsor
- Format:
- Book
- Conference/Event
- Author/Creator:
- Yu, Xiao, author.
- Jin, Long, author.
- Leblanc, Simon, author.
- Ting, David, author.
- Zheng, Ming, author.
- Conference Name:
- WCX SAE World Congress Experience (2026-04-14 : Detroit, Michigan, United States)
- Language:
- English
- Subjects (All):
- Carbon monoxide.
- Ignition systems.
- Ignition timing.
- Combustion and combustion processes.
- Engines.
- Energy consumption.
- Local Subjects:
- Carbon monoxide.
- Ignition systems.
- Ignition timing.
- Combustion and combustion processes.
- Engines.
- Energy consumption.
- Physical Description:
- 1 online resource
- Place of Publication:
- Warrendale, PA SAE International 2026
- Summary:
- Proper control over combustion and emission characteristics under engine idling conditions remains to be challenging, especially when engine block temperature is low. A specially designed common-coil pack was demonstrated to improve engine idling stability in previous SAE congress. In this paper, the progress on further development of the ignition system was reported with improved system stability and enhanced ignition performances. The impact of the prolonged discharge duration on the combustion stability was investigated on a turbocharged 4-cylinder production engine, with special attention to cylinder-by-cylinder variation under cold and hot engine block temperatures. It is observed that a prolonged discharge duration can reduce both cycle-to-cycle and cylinder-to-cylinder variations significantly. Especially under cold engine block temperature conditions, prolonged discharge duration together with advanced spark timing can increase engine load and reduce carbon monoxide emissions effectively. Then, the total energy consumption of the ignition system under various operation conditions were calculated and compared with the engine power gained by the ignition system
- Notes:
- Vendor supplied data
- Access Restriction:
- Restricted for use by site license
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