吸气式烟雾探测火灾报警系统响应性能的仿真验证
首发时间:2012-11-21
摘要:本文旨在找出与试验结果最为接近的地铁站仿真模型,并为进一步仿真研究奠定理论基础。基于在地铁站内做相关实体试验需要耗费大量的人力、物力和财力,因此本文采用火灾动力仿真软件(FDS)进行数值分析。通过设计网格边界条件、外界环境参数、管网内部环境参数等不同的情景,研究其对吸气式烟雾探测火灾报警系统响应性能的影响。仿真结果显示网格边界条件对吸气式探测器响应时间影响较大,外界环境参数和管网内部环境参数对吸气式探测器响应时间影响较小,情景1与试验结果最为接近,设计最为合理。
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Simulation verify of response performance of Aspirating Smoke Detector Fire Alarm System
Abstract:This paper aims to find out the closest simulation model in accordance with the test results, that also lays the foundation of further simulation. Fire Dynamics Simulator is adopted to calculate data in this paper taking into account a lot of manpower, material and financial resources to make the related entity trials in the subway station. It analyses the influences on response performance of Aspirating Smoke Detector Fire Alarm System by designing different scenes which include mesh boundary conditions, parameters of external environment, parameters of internal environment of the pipe network and so on. Simulation results show that the influences of mesh boundary conditions on the response time of Aspirating detectors is greater, while the influences of parameters of external environment and parameters of internal environment of the pipe network on the response time of Aspirating detectors is less, the scene 1 which is closest with the test results is the most reasonable design.
Keywords: aspirating response performance FDS software scenario design
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