The following sections present the theoretical background of NO_x prediction. For information about using the NO_x models in Ansys Fluent, see Using the NOx Model in the User's Guide.

• 9.1.1. Overview
• 9.1.2. Governing Equations for NOx Transport
• 9.1.3. Thermal NOx Formation
• 9.1.4. Prompt NOx Formation
• 9.1.5. Fuel NOx Formation
• 9.1.6. NOx Formation from Intermediate N2O
• 9.1.7. NOx Reduction by Reburning
• 9.1.8. NOx Reduction by SNCR
• 9.1.9. NOx Formation in Turbulent Flows