Abstract
Aiming at the problem of automobile fire simulation, a common model bus is taken as the research object, and the Pyrosim software is used as a tool to realize the fire simulation. In this study, Auto CAD was used to establish a three-dimensional bus model, and then it was imported into Pyrosim software, and Pyrosim software was used to simulate the fire of the bus model. Through research, it is found that the fire of a bus has its own characteristics, which can be divided into four stages: initiation, flashback, deflagration, and stability. According to the simulation results, the flue gas simulation analysis and thermal power analysis were done, and the simulation results were analyzed and discussed in depth. During the research, it was found that although the application of Pyrosim software has certain limitations in the simulation of automobile fire simulation, the research results can still provide a reference for automobile fire simulation and automobile fire prevention and control.
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