Formula
$$ m_\text{HCHO} = \frac{P \cdot h \cdot F_\text{HCHO}}{10^6} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $m_\text{HCHO}$ | Annual formaldehyde mass | t | result |
| $P$ | Engine power | kW | operating data |
| $h$ | Annual hours | h | operating data |
| $F_\text{HCHO}$ | Formaldehyde factor | g/kWh | ~0.15 for LNG Otto lean-burn |
Sources
- CARB at-berth controls.
- Fourth IMO GHG Study 2020.