Thermal NOx (Zeldovich Order-of-Magnitude)
Rough thermal-NOx formation rate from the extended Zeldovich mechanism. Doubling every ~90 K above 1800 K.
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Formula, assumptions, and limits
| Symbol | Meaning | Unit |
|---|---|---|
| Flame temperature | K | |
| Relative rate vs 2000 K reference | × |
Source: Zeldovich (1946) - NO formation in flames; Heywood - Internal Combustion Engine Fundamentals Ch.11
In short
Rough thermal-NOx formation rate from the extended Zeldovich mechanism.