The Life Estimation is one of important areas in Engine research. Take-off EGTM is an important parameter to monitor Engine performance. The value of take-off EGTM is influence on Engine life greatly. Reducing EGT will help to extend Engine life on wing (LOW), thereby reducing operating costs. Aiming at aero-Engine condition monitoring, the definition of take-off EGT Margin is given, estimation methods and their application on Engine life estimation are discussed.
