Study on combustion behaviors and cycle-by-cycle variations in a turbocharged lean burn natural gas S.I. engine with hydrogen enrichment

• Published in: International journal of hydrogen energy Vol. 33; no. 23; pp. 7245 - 7255
• Main Authors: Ma, Fanhua, Ding, Shangfen, Wang, Yu, Wang, Yefu, Wang, Junjun, Zhao, Shuli
• Format: Journal Article
• Language: English
• Published: Kidlington Elsevier Ltd 01.12.2008; Elsevier
• Subjects: Applied sciences; Cycle-by-cycle variation; Emissions; Energy; Energy. Thermal use of fuels; Engines and turbines; Equipments for energy generation and conversion: thermal, electrical, mechanical energy, etc; Exact sciences and technology; HCNG; Hydrogen addition; Lean burn; Lean burn; P max; MFB; Hydrogen addition; COV; ATDC; IMEP; CFR; BTDC; COV P max; Emissions; HCNG; COV imep; lambda( λ); Cycle-by-cycle variation; CCV; CNG; MAP; MBT; CA; Nitrogen oxide; Hydrogen; Lean mixture; Combustion; Spark ignition engine; Flame propagation; Pollutant emission; Gas engine; Thermal efficiency; Performance; Natural gas

Lean burn is widely accepted as an effective approach to simultaneously improve spark-ignition engine's thermal efficiency and decrease exhaust emissions. But although lean burn has a lot of advantages it is also associated with several difficulties including slower flame propagation speed and...