Near-wall flame propagation characteristics

Understanding near wall flame propagation behavior is important for turbulent combustion modelling including flame---wall interaction, but also could be useful as a robust experimental technique for the measurement of laminar flame speed. Previous studies have measured time-resolved CH fluorescence, based on which flame displacement speed is estimated as a function of time or distance from the wall. The present study is the sequence of the experimental work and is based on direct numerical simulations (DNS) (i) to investigate near wall flame behavior in the context of flame displacement speed at various definition in a detailed manner, and (ii) to explore the possibilities of utilizing these characteristics as an experimental technique as a substitute or complement for a conventional experimental technique such as a double kernel method.