一起行驶中汽车火灾事故原因认定与分析

介绍一起行驶中汽车火灾事故原因调查过程。通过对火灾现场勘查、调查走访和物证鉴定等方式综合分析火灾蔓延过程和起火原因，排除电气故障、雷击、自燃、人为放火等引发火灾的可能性，对火灾原因进行分析，同证人证言构成完整的证据链，得出起火原因为发动机舱输油管泄漏遇电火花起火。通过此次火灾调查，总结事故原因和调查体会。

Fire cause identification and analysis of a car accident

The investigation process of a car fire accident while driving was introduced. The fire propagation and cause were analyzed comprehensively by means of fire scene examination, interviews and identification of material evidence, and the possible fire causes of electrostatic failure，lightning, spontaneous combustion and arson were excluded. The evidence chain is formed by the fire cause analyses and the witness testimony to result in the fire cause of the oil pipe leaking in the engine compartment and catching fire when encountered electric spark. The accident reason and investigation experience were also put forward.