A Priori Assessment of Algebraic Flame Surface Density Models in the Context of Large Eddy Simulation for Nonunity Lewis Number Flames in the Thin Reaction Zones Regime

Figure 8

Correlation coefficients between the modelled and the actual values of Σ_gen in the 𝑐 range 0.1≤𝑐≤0.9 for filter widths Δ=4Δ_𝑚=0.4𝛿_th; Δ=8Δ_𝑚=0.8𝛿_th; Δ=12Δ_𝑚=1.2𝛿_th; Δ=16Δ_𝑚=1.6𝛿_th; Δ=20Δ_𝑚=2.0𝛿_th; Δ=24Δ_𝑚=2.4𝛿_th for (a–e) cases A–E.

(a)

(b)

(c)

(d)

(e)