A Priori Direct Numerical Simulation Modelling of the Curvature Term of the Flame Surface Density Transport Equation for Nonunity Lewis Number Flames in the Context of Large Eddy Simulations

Figure 1

Instantaneous isosurfaces of 𝑐 ranging from 0.01 to 0.99 at 𝑡=3𝑡_𝑓=𝑡_𝑐 for cases (a) Le=0.34; (b) Le=0.6; (c) Le=0.8; (d) Le=1.0; (e) Le=1.2. The domain size is 24.1𝛿_th×24.1𝛿_th×24.1𝛿_th.

(a)

(b)

(c)

(d)

(e)