Abstract
Abstract The study develops a two-zone Smoke Filling model to predict how the smoke will descend in a small space, whose area ≤ 200m 2 and a height ≤ 8m. It intends to improve the unrealistic fast smoke descending rate in a small fire compartment by using the method based on “the technical manual of building fire-evacuation performance evaluation.” The model is developed for compartments equipped with mechanical and/or natural de-smoke apparatus. It has been verified by comparing it with the BRI2002, experiments and other references. These comparison results clearly demonstrate the credibility and reliability of the model. In addition, this study further includes the scenarios with the air supply vents in such model to make it more complete. Then, the model is tested by comparing with FDS and the technical manual. It was found that the predicted results by two-zone model are between the ones simulated by FDS and the technical manual, indicating that a new tool is successfully developed for fire safety assessment in a small fire compartment in Taiwan.
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