摘要
本文以某数码影院影厅为例，针对该数码影院面积小、蓄烟能力不高的特点，分别对吊顶不开口、吊顶开口面积为 4.5%和吊顶开口面积为 9%进行了烟气流动模拟分析。经 FDS数值模拟验证，适当加大吊顶开口面积可确保数码影院影厅的火灾安全性。
Abstract
Taking digital cinema as an example, for therelatively small volume features of auditorium and weak smokestorage capacity, the numerical simulation and analysis offire-induced smoke spread is conducted in these three scenariosrespectively: ceiling without opening, ceiling with 4.5% opening areaand 9.0% opening area. According to the FDS numerical simulationresults, appropriately enlarging the ceiling opening area can ensurethe digital cinema fire safety.
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