Abstract
The prediction accuracy of smoke concentration related to visibility in fire hazard assessment using fire simulation contains a significant error compared to gas temperature and toxic gas concentration. However, the results are limited because the prediction uncertainty of smoke concentration was reviewed through specific fuels and experimental conditions. This study conducted experiments and simulations to evaluate the prediction uncertainty of smoke concentration in the numerical model using various fire conditions. Consequently, as various fuel and experimental conditions were applied, the predicted smoke concentration using fire simulation was confirmed to have a relative error from –45% to 520% based on the measurement data. Moreover, it was also confirm that the dependence on fuel types was significant.
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