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Prediction of thermal fatigue life of a turbine nozzle guide vane 被引量:2
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作者 Xin-qian ZHENG Tao DU yang-jun zhang 《Journal of Zhejiang University-Science A(Applied Physics & Engineering)》 SCIE EI CAS CSCD 2011年第3期214-222,共9页
Thermal fatigue (TF) is one of the most important factors that influence turbine's life.This paper establishes a 3D solid-fluid coupling model for a steady temperature analysis of a high-pressure turbine nozzle at... Thermal fatigue (TF) is one of the most important factors that influence turbine's life.This paper establishes a 3D solid-fluid coupling model for a steady temperature analysis of a high-pressure turbine nozzle at different turbine inlet gas total temperatures (TIGTTs).The temperature analysis supplies the temperature load for subsequent 3D finite element analysis to obtain the strain values.Following this,the prediction of the TF life is made on the basis of equivalent strain range.The results show that the strain increases with TIGTT,and the predicted TF life decreases correspondingly.This life prediction was confirmed by one TF test. 展开更多
关键词 ENGINE Nozzle guide vane Thermal fatigue (TF) life Solid-fluid
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