Numerical study of thermal decomposition and pressure generation in charring solids undergoing opposed-flow flame spread

Park, Won Chan; Baum, Howard R.

doi:10.1016/j.proci.2006.08.096

Cited by 9 publications

(1 citation statement)

References 7 publications

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“…In fact, in a semi-infinite solid, if the process goes on long enough, the pyrolysis layer will no longer be near the heated surface and then the transport of the pyrolysis gas in the char matrix should be accounted for. Some models 16–18 have treated the flowing of pyrolysis gas using Darcy’s law, which indicates that the flowing of volatile is driven by a pressure gradient. However, Zhou et al 7 and Kashiwagi 8 both indicated that radiation absorption by pyrolysis gas is significant, so radiation attenuation in horizontal and vertical sample orientations are significantly different owing to the different structure of the plume.…”

Section: Introductionmentioning

confidence: 99%

Experimental and numerical study of the effect of sample orientation on the pyrolysis and ignition of wood slabs exposed to radiation

Yang

Wang

Zhou

et al. 2012

Journal of Fire Sciences

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The effect of sample orientation (vertical and horizontal) on the pyrolysis and ignition of wood exposed to radiation has been studied with experimental and numerical methods in the present article. Experimental results show that the pyrolysis rate of vertically oriented wood exposed to radiation is higher than for horizontally oriented wood exposed to radiation. Pyrolysis gas significantly dominates the process of pyrolysis of wood exposed to radiation. Accounting for radiation absorption by pyrolysis gas, a numerical model has been developed to simulate the pyrolysis and ignition of wood in horizontal and vertical orientations exposed to radiation.

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