Table 4 Fuel properties for diesel and biodiesel.
Fuel type | Diesel | Biodiesel | ASTM norms |
|---|---|---|---|
Viscosity (mm2/s) | 2.75 | 3.84 | D445 |
Flash point (°C) | 45 | 185 | D93 |
Fire point (°C) | 56 | 156 | D93 |
Calorific value (MJ/kg) | 43 | 41.28 | D240 |
H/C (mole ratio) | 1.8 | 1.9 | D5291 |
Cetane number | 5 | 61 | D976 |
Flammability (vol%) | 0.6–5.6 | – | – |
Sulfur content (% wt.) | 0.154 | 0.0 | D5291 |
Oxygen (% wt.) | – | 10.7 | D5291 |
Specif. gravity (15 °C) | 0.835 | 0.886 | D1298 |
