Abstract
Flame lift-off length in diesel spray is currently recognized as an indicator of sooting tendency during mixing-controlled combustion and is affected by fuel reactivity. This paper reports the experimental investigation of the flame lift-off length and its effects on emissions for dual-component fuels consisting of different less reactivity component. The experiments were conducted at quiescent ambient condition in a Rapid Compression and Expansion Machine. Gasoline-like components contained in dual-component fuel and ambient oxygen concentrations were set as major experimental variables. The experimental results, based on pressure analysis, burned gas analysis and imaging of luminous flame and OH chemiluminescence, show that mixing higher octane number component has lower luminous intensity indicating lower soot because of longer lift-off length and dual-component fuel achieves low soot and NOx combustion without excessive decrease of ambient oxygen concentration.
| Original language | English |
|---|---|
| Pages | 323-328 |
| Number of pages | 6 |
| Publication status | Published - 2012 |
| Externally published | Yes |
| Event | 8th International Conference on Modeling and Diagnostics for Advanced Engine Systems, COMODIA 2012 - Fukuoka, Japan Duration: Jul 23 2012 → Jul 26 2012 |
Other
| Other | 8th International Conference on Modeling and Diagnostics for Advanced Engine Systems, COMODIA 2012 |
|---|---|
| Country/Territory | Japan |
| City | Fukuoka |
| Period | 7/23/12 → 7/26/12 |
Keywords
- Diesel spray
- Dual-component fuel
- Flame lift-off length
- Fuel reactivity
ASJC Scopus subject areas
- Control and Systems Engineering
- Modelling and Simulation