Local Strain Rate and Curvature Dependences of Scalar Dissipation Rate Transport in Turbulent Premixed Flames: A Direct Numerical Simulation Analysis

Figure 16

(a) Correlation coefficients for the 𝑇_𝐷3−𝑎_𝑇, 𝑇_𝐷4−𝑎_𝑇, 𝑇_𝐷5−𝑎_𝑇, and 𝑓(𝐷)−𝑎_𝑇 correlations on 𝑐=0.1, 0.3, 0.5, 0.7, and 0.9 isosurfaces for case P3. (b) Correlation coefficients for the 𝑇_𝐷1−𝑎_𝑇, 𝑇_𝐷2−𝑎_𝑇, 𝑇_𝐷3−𝑎_𝑇, 𝑇_𝐷4−𝑎_𝑇, 𝑇_𝐷5−𝑎_𝑇, and 𝑓(𝐷)−𝑎_𝑇 correlations on 𝑐=0.1, 0.3, 0.5, 0.7, and 0.9 isosurfaces for case V2. (c) Correlation coefficients for the 𝑇_𝐷3−𝜅_𝑚, 𝑇_𝐷4−𝜅_𝑚, 𝑇_𝐷5−𝜅_𝑚, and 𝑓(𝐷)−𝜅_𝑚 correlations on 𝑐=0.1, 0.3, 0.5, 0.7, and 0.9 isosurfaces for case P3. (d) Correlation coefficients for the 𝑇_𝐷1−𝜅_𝑚, 𝑇_𝐷2−𝜅_𝑚, 𝑇_𝐷3−𝜅_𝑚, 𝑇_𝐷4−𝜅_𝑚, 𝑇_𝐷5−𝜅_𝑚, and 𝑓(𝐷)−𝜅_𝑚 correlations on 𝑐=0.1, 0.3, 0.5, 0.7, and 0.9 isosurfaces for case V2.

(a)

(b)

(c)

(d)