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Abstract
Smoke is the main cause of fire death. In order to minimize the potential danger of smoke hazard, a rational VR based fire training simulator should fully consider all aspects of smoke hazard. In the simulator, the visualization of data based on FDS (Fire Dynamics Simulator) and FED fire dynamic data and volume rendering is further optimized, which can be effectively and quickly applied to virtual fire protection. In addition, a comprehensive smoke hazard assessment model based on FED and FED is established to assess the IHD value of different paths, which represents the safety of different paths, and can be used for evacuation or rescue in virtual training. Taking the case of campus fire drill as an experiment, the research shows the accuracy and effectiveness of smoke assessment based on FDS and FED model. The road force with the highest safety can be selected through the comprehensive model. So the assessment model is proved to be valuable.
Highlights
Fires are one of the most common disasters in cities, often resulting in serious economic losses and even more human deaths
The visualization of data based on FDS (Fire Dynamics Simulator) and FED fire dynamic data and volume rendering is further optimized, which can be effectively and quickly applied to virtual fire protection
A comprehensive smoke hazard assessment model based on FED and FED is established to assess the integrated hazard dose (IHD) value of different paths, which represents the safety of different paths, and can be used for evacuation or rescue in virtual training
Summary
Fires are one of the most common disasters in cities, often resulting in serious economic losses and even more human deaths. Due to high public opinion and high economic costs, high risks (such as toxic gases and uncontrolled fires) can lead to casualties; it is not practical to conduct actual fire training for inexperienced firefighters and the general public Compared with such potential hazards, the somato sensory and VR simulation system can provide safe, low-cost, appropriate learning plans and repeated training environments, evacuation and rescue procedures. Crowded place; GA/T 1369-2016 Fire safety assessment Ministry of public security guide In this simulator, based on fire dynamic data and volume visualization technology, rendering is a smoke evolution process in a VR scene designed for vivid and accurate display. Set up two fire scenes, a school and a subway station, for investigation and experimentation
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