Abstract As subway fires can easily cause numerous casualties, this paper proposes the idea of active disaster relief, which involves ventilation, exhaust, smoke blocking and exhaust, and other facilities coordinating centralised control to assist passenger evacuation and firefighting. The ventilation and smoke exhaust method used in multilayer crossing complex subways is analysed, and a typical interchange transfer station is selected to build a numerical model. The combined control of fire smoke is analysed based on six ventilation modes, and fire dynamics simulator software is used to perform several numerical simulations. According to the simulation results, ventilation and smoke control is used in the cases of fire on the second and third floor in the underground, the airflow speed of the stairway reached 2 m/s, which can completely restrain the smoke on the fire floor. According to the characteristics of different fire sources and smoke control scenarios, a remote monitoring model of multielement information fusion, such as ventilation path, fan characteristics, smoke exhaust channel, and smoke blocking facilities, is established, and a multielement disaster information-fusion-based collaborative centralised emergency rescue platform for subway fire disaster relief is developed. Real-time disaster analysis is performed, and intelligent control of airflow and smoke exhaust in the complex form of subway-controlled smoke turbulence field is developed to facilitate safe escape and efficient firefighting and rescue of people during emergencies.

中文翻译：

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地铁车站火灾烟气控制方法及应急救援协同控制系统数值模拟

摘要 由于地铁火灾容易造成大量人员伤亡，本文提出了主动救灾的思路，将通风、排风、阻烟、排风等设施协调集中控制，协助乘客疏散和灭火。分析了多层交叉复杂地铁采用的通风排烟方法，并选择典型的立交换乘站建立数值模型。分析了基于六种通风模式的火灾烟气联合控制，并利用火灾动力学模拟器软件进行了多次数值模拟。根据模拟结果，地下二、三层发生火灾时采用通风排烟，楼梯气流速度达到2m/s，可以完全抑制火场上的烟雾。根据不同火源和烟控场景的特点，建立通风路径、风机特性、排烟通道、挡烟设施等多要素信息融合远程监控模型，构建多要素灾害信息融合-开发了基于协同集中应急救援的地铁火灾救灾平台。实时进行灾害分析，开发地铁控制烟气湍流场复杂形式的气流和排烟智能控制，方便紧急情况下人员安全逃生和高效消防救援。建立通风路径、风机特性、排烟通道、挡烟设施等多要素信息融合远程监控模型，开发基于多要素灾害信息融合的地铁火灾救灾协同集中应急救援平台. 实时进行灾害分析，开发地铁控制烟气湍流场复杂形式的气流和排烟智能控制，方便紧急情况下人员安全逃生和高效消防救援。建立通风路径、风机特性、排烟通道、挡烟设施等多要素信息融合远程监控模型，开发基于多要素灾害信息融合的地铁火灾救灾协同集中应急救援平台. 实时进行灾害分析，开发地铁控制烟气湍流场复杂形式的气流和排烟智能控制，方便紧急情况下人员安全逃生和高效消防救援。开发了基于多元灾害信息融合的地铁火灾救灾协同集中应急救援平台。实时进行灾害分析，开发地铁控制烟气湍流场复杂形式的气流和排烟智能控制，方便紧急情况下人员安全逃生和高效消防救援。开发了基于多元灾害信息融合的地铁火灾救灾协同集中应急救援平台。实时进行灾害分析，开发地铁控制烟气湍流场复杂形式的气流和排烟智能控制，方便紧急情况下人员安全逃生和高效消防救援。