航空发动机外部管路防火耐火试验技术

Research on Fire Test Technology of External Pipeline of Aeroengine

航空发动机的燃油、滑油可燃介质通过外部管路输送,外部管路的结构和功能完整性对发动机持续适航十分重要。安装在发动机火区内的外部管路,需根据适航规章要求及相关防火试验标准开展防火耐火试验。本文分析了试验需求,设计了外部管路的供油系统、加热系统、振动系统和着火系统,该试验技术对类似的综合试验具有一定的指导意义。

The fuel and lubricating oil combustible medium of aeroengine is transported through external pipelines,and the structural and functional integrity of external pipeline is very important for sustained airworthiness of the aeroengine.The external pipelines installed in the aeroengine fire zone shall be subjected to fire resistance test in accordance with the requirements of airworthiness regulations and relevant fire test standards.In this paper,the test requirements are analyzed,and the oil supply system,heating system,vibration system and fire system of external pipelines are designed.The test technology has certain guiding significance for similar comprehensive tests.