Check fixed CO₂ system performance per FSS Code Ch. 5: 85 % of the protected-space volume must be discharged within 2 minutes for engine room / cargo hold systems.
Formula
$$ \dot m_{CO_2} = \frac{0.85 \cdot V \cdot c \cdot \rho_{CO_2}}{t_{disch}} $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $V$ | Protected space volume | m³ | capacity plan |
| $c$ | Design concentration | %vol | FSS Code Ch. 5 |
| $\rho_{CO_2}$ | CO₂ vapor density | kg/m³ | thermo tables |
| $t_{disch}$ | Discharge time | min | FSS Code |
Sources
- FSS Code Ch. 5.