Comparison of Presumed PDF Models of Turbulent Flames

Figure 17

Dependencies of the probability of finding flammable mixture composition on the mean equivalence ratio 𝐹, calculated invoking the beta-function (thin curves) and the R-2𝛿 (bold curves) PDFs. 𝑔=0.2. (1)𝐹_min=0.4 and 𝐹_max=2.2, (2)𝐹_min=0.3 and 𝐹_max=2,5, (3)𝐹_min=0.1 and 𝐹_max=4.0.