Journal
JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
Volume 113, Issue 2, Pages 803-810Publisher
SPRINGER
DOI: 10.1007/s10973-012-2809-1
Keywords
Intumescent; Thermophysical property; Burning behavior; Heat release rate; Simulation
Funding
- China NSFC Funds [51006054]
- China NKBRSF project [2012CB724609]
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Thermophysical properties of intumescent fire-retardant (IFR) materials are important parameters as input data in modeling the combustion process of IFR materials in a fire. In this paper, the influences of several thermophysical properties on burning behavior of IFR materials are simulated based on a combustion model of IFR materials. Thermophysical properties selected here are thermal conductivity of virgin material and char layer, specific heat capacity of virgin material, density of virgin material, surface emissivity of virgin material and char layer, heat of decomposition, heat of combustion, and intumescent temperature. Predicted heat release rates curves for the IFR material at an incident heat flux of 50 kW m(-2) are shown for the varied thermophysical parameters' values. The results show that these varied parameter values can affect the burning behavior of materials remarkably. A comparison with experimental results demonstrates that the predictions of heat release rates are in reasonably good agreement with the experiment.
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