Abstract

This paper presents a model for calculating target luminance, luminance distributions in evacuees’ view and visibility of signs in a space with a smoke layer in fire. First, a smoke adhesion to a target exposed to smoke is investigated as a basis to establish a model for predicting target luminance in fire smoke. The model is validated by conducting a photometrical experiment using real-scale room filled with smoke. Finally, the model is applied to the prediction of the luminance distributions in evacuee's view and example results are demonstrated for a case assuming an ordinary office space.

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