Abstract
A semi-empirical model was developed to use the radiant coal power of cigarettes in non-contact free smolder to predict the percentage of cigarettes smoldering on 10 layers of filter paper from a sample set that would burn the entire length of the tobacco rod. To develop the model the radiant coal power for cigarettes in non-contact free smolder was measured using infrared imaging and the percentage of the same type of cigarettes smoldering on 10 layers of standard chemical filter paper that burned the entire length of the tobacco rod was measured. From the experimental data, a characteristic coal power and an effective extinguishment threshold were established for the cigarettes. The effective extinguishment threshold was plotted as a function of the characteristic coal power for different cigarette designs, and the optimized Boltzmann model of the data allows the percentage of cigarettes smoldering on 10 layers of filter paper that would burn the entire length of the tobacco rod to be predicted by measuring the radiant coal power for the cigarettes in non-contact free smolder. The model was also used to predict the percentage of cigarettes smoldering on 7 layers of filter paper that would burn the entire length of the tobacco rod. The percentages predicted shows good agreement with the percentages measured for both 7 and 10 layers of filter paper.
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An erratum to this article is available at http://dx.doi.org/10.1007/s10694-006-0217-4.
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Sherwood, T.S., Issac, J.C., Murthi, R.M. et al. Semi-Empirical Model using Radiant Coal Power to Predict Cigarette Ignition Strength as Measured by Extinction Test. Fire Technol 42, 233–251 (2006). https://doi.org/10.1007/s10694-006-7507-8
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DOI: https://doi.org/10.1007/s10694-006-7507-8