Convert an FSN (Bosch) reading to mass-concentration black carbon in exhaust, per IMO’s correlation function.
Formula
$$ BC = \frac{1}{0.405} \cdot 5.32 \cdot FSN \cdot e^{0.318 \cdot FSN} $$
Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $FSN$ | Filter smoke number (ISO 10054 / Bosch) | - | smoke meter |
| $BC$ | Black carbon concentration | mg/m³ exhaust | result |
Sources
- IMO MEPC BC correlation (ISO 8178 annex).
- Mollenhauer & Tschoeke - Handbook of Diesel Engines.