Journal of Research of the National Bureau of Standards
The results of a series of flame-spread tests are summarized and analyzed to delineate the importance of the physical and thermal properties in surface flame propagation on simple and composite slabs. The data are in accordance with relationships for the transient surface temperature rise for irradiated opaque and chemically inert slabs and support a simple concept for the spread of flame on the surfaces of cellulosic materials exposed to thermal radiation; viz, that flame propagation consists of progressive ignition of the solid when a characteristic temperature is reached.
J. Res. Nat. Bur. Stand., Sec. C: Eng. Instr., Vol. 67C, No. 3, p. 251
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