Abstract: The definition of useful life of repairable system was given The assessment steps and methods of useful life were proposed as well as the base of test data of the turbojet engine These methods were illustrated through a numerical example

Key words: Turbojet engine;Service life;Life prediction;Reliability calculation;Reliability model

摘要： 给出了可修系统使用寿命的定义， 根据涡喷发动机的试车数据， 提出了应用ＡＭ－ＳＡＡ－ＢＩＳＥ模型评定使用寿命的步骤与方法， 并用数值例说明了这些方法。

关键词: 涡轮喷气发动机;使用寿命;寿命预测;可靠性计算;可靠性模型