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An Algorithm For Estimating Carbon Monoxide Formation In Enclosure Fires

Pitts, W.M., 1997. An Algorithm For Estimating Carbon Monoxide Formation In Enclosure Fires. Fire Safety Science 5: 535-546. doi:10.3801/IAFSS.FSS.5-535


This paper introduces an engineering approach for estimating the generation rate of carbon monoxide (CO) within a room containing a fire. Four CO formation mechanisms-1) quenching of a turbulent fire plume upon entering a rich upper layer, 2) mixing of oxygen directly into a rich, high-temperature upper layer with subsequent reaction, 3) pyrolysis of wood in a high-temperature, vitiated environment, and 4) approach to full-equilibrium combustion product concentrations in a rich, high-temperature upper layer--identified in recent experimental and modeling investigations are incorporated into a step-by-step algorithm. The understanding required to implement the algorithm in fire models is briefly discussed.


carbon monoxide, carbon monoxide production, enclosure fires, fire models, fire research, global equivalence ratio, room fires

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