What combination of options enables the “Non-Adiabatic Laminar Flame Speed” under the properties tab when solving a partially-premixed, non-adiabatic FGM diffusion flamelet model? I have tried activating and deactivating several different options and nothing seems to ungrey this option through the GUI?
Tagged: 17.2, Flamelet Models, fluent, fluid-dynamics, multiphase, Species/Reactions
January 25, 2023 at 7:17 amFAQParticipant
The partially premixed mixture properties are calculated by Fluent during the PDF table generation, so this option will only be active once the first PDF has been generated for a partially premixed combustion case. The Non-Adiabatic Laminar Flame Speed is compatible with the Steady Diffusion Flamelet or Chemical Equilibrium State relations, but unavailable for Unsteady Flamelets and Flamelet Generated Manifold (FGM).
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