Evaporator capacity Q = (Q_jacket × η)/h_fg - vacuum-flash generator using main-engine jacket heat.
Formula
$$ \dot m_\text{FW} = \frac{Q_\text{jacket} \eta}{h_{fg}} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $Q_\text{jacket}$ | Jacket water heat | kW | engine heat balance |
| $η$ | Evaporator effectiveness | - | manufacturer |
| $h_{fg}$ | Latent heat at vacuum | kJ/kg | steam tables |
Sources
- Alfa Laval AquaChem / Jowa - FW generator data.