Research Article

Scaling Analysis on Pulsating Flame Spread over Liquids

Figure 2

A shadowgraph and a particle laser-sheet image defining thermal characteristic length, L, and thermal and flow depth, 𝑇 and 𝐹 , of subsurface layer circulation (fuel is n-butanol, 𝐻 = 5 0 mm and the initial fuel temperature = 2 3 . 2 C ).
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