船舶火災時における煙流動状態の模擬実験と数値シミュレーション

概要

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In the event of a spontaneous outbreak of fire in a ship's living spaces, the safety of life is not only determined by the high temperature but also by the rapid smoke diffusion. Smokeproof and smoke control system designs based on an estimation of smoke diffusion is needed to sufficiently take care of the requirements of an ever increasing number of giant passenger ships and due to the increasing concern for the safety of life. There are limitations to the amount of non-inflamable materials that may be used in the materials of fixtures and equipments. A smoke diffusion control system is to be developed to secure enough time to extinguish a fire and to keep the safety of evacuation routes, for which experimental and numerical simulations were carried out here using living space model. This paper presents an experimental simulation of smoke diffusion in a three deck living space model using pigmented salt water and a numerical simulation by the dual zone model. Using a suitable scale factor between the two simulation methods, the smoke diffusion analysis method is confirmed to be valid. Based on these results, the fundamentals to establish a smokeproof and a smoke control system are developed.
1995-09-04