HFO viscosity at injection temperature - targets 12–17 cSt for proper atomisation.
Formula
$$ \nu(T) = \nu_{50} \cdot e^{-k (T - 50)} $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $ν_50$ | Viscosity at 50 °C | cSt | ISO 3104 |
| $T_inj$ | Injection temperature | °C | fuel heater outlet |
Sources
- ASTM D341 / Walther formula.