Flames in turbulence of high intensity or small scale

Flames in turbulence of high intensity or small scale 

When disruptions of flame sheets become sufficiently extensive, there is appreciable nonreactive mixing of reactants and products at molecular scales. The extent of disruption increases as IJ5 decreases certainly if l/b becomes small compared with unity, then the turbulent flame no longer can be composed of wrinkled laminar flames. The true structures of turbulent flames in the limit of small values of l/d are unknown. 

Spalding developed a successful eddy-breakup model for describing rates of flame spread in high-intensity flows of this type [143]-[146], There are a number of different versions of the model one employs 

Damkohler, Z. Elektrochem. 46, 601 (1940) English translation, NACA Tech. Memo. No. 1112 (1947). 

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