Heat Release Rate Characterization of NFPA 1403 Compliant Training Fuels

Abstract When using solid fuels for live fire training, NFPA 1403: Standard on Live Fire Training Evolutions requires that the materials be wood based. While standard offers guidance type of are permissible use in it little way quantitative methods selecting an appropriately sized fuel package. In order to examine effects mass and orientation heat release behavior, free burn rate (HRR) experiments were conducted twenty-one wood-based training packages twelve comparison furniture items. demonstrated peak HRRs ranging from 1.0 MW 3.6 MW, with total energy between 210 MJ 1615 MJ. The items exhibited 0.9 3.7 180 995 A least-squares linear regression analysis indicated a good fit burned among (R $$^2$$ 2 $$=$$ xmlns:mml="http://www.w3.org/1998/Math/MathML">= 0.98), suggesting effective combustion is approximately constant at 14.2 MJ/kg. Generally, HRR increased as initial increased, although relationship was more variable, similarly varying by nearly 1 MW. results while dependent largely mass, burning duration also Wood-based capable producing comparable individual furniture, typically higher compared corresponding