CO₂ mass for an engine-room fixed extinguishing system at 40 % volume concentration per FSS Code Ch.5.
Formula
$$ m_{CO_2} = V \cdot C \cdot \rho_{CO_2} $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $V$ | Gross volume of protected space | m³ | GA plan |
| $C$ | Design concentration (vol fraction) | % | FSS Code table |
| $\rho_{CO_2}$ | CO₂ density at 1 atm 15 °C | kg/m³ | 1.98 |
Sources
- FSS Code Ch.5 - Fixed Gas Fire-Extinguishing Systems.