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一、概述自从涡喷涡扇发动机使用以来,空中停车的故障始终没有间断过。这是因为发动机零部件经常在高温高负荷下工作,且其结构日趋复杂,对工艺、材料水平的要求不断提高。而目前的设计、工艺、材料、管理和使用水平还不能完全保证其可靠性和耐久性要求。特别是对发动机进行重要考核的耐久性试验还是采用几十年前就已经采用的150小时持久试车,面对日益变化的飞机使用要求,即使在试车程序安排、发动机功率分配、进气状态变换、油门移动方式以及发动机温度负
I. Overview Since the use of turbofan turbofan engine, the air stop fault has not been interrupted. This is because engine parts often work under high temperature and high load, and the structure is becoming more and more complex, and the requirements on the process and material level are continuously increasing. The current design, technology, materials, management and use of the level can not fully guarantee its reliability and durability requirements. In particular, the durability test for important engine tests is based on a 150-hour long-term test that has been in use decades ago. In the face of ever-changing aircraft usage requirements, even during commissioning procedures, engine power distribution, intake air condition changes, Throttle movement and engine temperature negative