Abstract
To a certain extent, alcohols, as alternative fuels may contribute to the solution of environmental and economical problems. However, due to their low cetane number, they have little chances to be directly used in diesel engines. The influence of the compression ratio on ignition delay and soot emission for methanol-diesel fuel blends with various blending ratios was studied on an ASTM-CFR engine and the results were compared with baseline diesel fuel. All of the fuel blends studied had ignition delay time longer than diesel fuel. The ignition delay period increases with increasing methanol content. Peak pressures were not very high so that blend fuels up to 30-40% methanol content can be utilized in a diesel engine without any structural modification on engine or on operating conditions, but some loss output and an increase in noise level must be considered.
| Original language | English |
|---|---|
| Pages (from-to) | 15-32 |
| Number of pages | 18 |
| Journal | Petroleum Science and Technology |
| Volume | 18 |
| Issue number | 1-2 |
| Publication status | Published - Jan 2000 |