Simplified reliquefaction plant COP - boil-off absorbed / electrical compressor power.
Formula
$$ \text{COP} = \frac{\dot m_\text{BOG} \cdot h_{fg}}{P_\text{comp}} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $\dot m_\text{BOG}$ | Boil-off mass flow | kg/h | tank pressure-temperature observation |
| $h_{fg}$ | Latent heat | kJ/kg | thermodynamic property |
| $P_\text{comp}$ | Compressor input | kW | electric meter |
Sources
- SIGTTO - LPG operational guidance.