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Estimating Heat Release Rates From Large-scale Tunnel Fires

Grant, G.B. and Drysdale, D.D., 1997. Estimating Heat Release Rates From Large-scale Tunnel Fires. Fire Safety Science 5: 1213-1224. doi:10.3801/IAFSS.FSS.5-1213


A series of full-scale tunnel fire tests were conducted in Norway under the EUREKA EU499 firetun project, a co-operative venture involving participants from several European countries. The Channel Tunnel operators, Eurotunnel, were represented during a test designed to simulate a burning heavy goods vehicle (HGV) being conveyed on a freight shuttle train within the Channel Tunnel. The experimental tunnel was extensively instrumented to enable the progress of the fire to be monitored. In this paper, it is shown how the data on CO and CO2 production rates were used to calculate the rate of heat release as a function of time and provide an estimate of the maximum heat release rate


tunnel fires, heat release rate, carbon monoxide, carbon dioxide

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