Rough thermal-NOx formation rate from the extended Zeldovich mechanism. Doubling every ~90 K above 1800 K.
Formula
$$ \text{Rate} \propto \exp\!\left(-\frac{69090}{T}\right) $$Symbol legend
| Symbol | Meaning | Unit | Source |
|---|---|---|---|
| $T$ | Flame temperature | K | cycle analysis |
| $Rate$ | Relative rate vs 2000 K reference | × | result |
Sources
- Zeldovich (1946) - NO formation in flames.
- Heywood - Internal Combustion Engine Fundamentals Ch.11.