汽轮机转子钢高温蠕变疲劳寿命预测方法  

Prediction Methods for Fatigue Creep Life of Turbine Rotor

作　　者：崔璐[1] 穆豪 石红梅[1] 李臻[1] CUI Lu MU Hao SHI Hong- mei LI Zhen(School of Mechanical Engineering, Xihn Shiyou University, Xi＇ an 710065,China)

机构地区：[1]西安石油大学机械工程学院,西安710065

出　　处：《应用能源技术》2017年第1期8-11,共4页Applied Energy Technology

基　　金：国家自然科学基金项目(51305348)

摘　　要：随着越来越多的新能源发电并网,现代火力电厂被赋予调峰的职责。调峰过程中汽轮机组的频繁启停,加剧了汽轮机转子的蠕变疲劳损伤。文中以汽轮机转子钢为例,综述了汽轮机转子在低周蠕变疲劳和复合高周疲劳载荷下的寿命预测方法,为汽轮机组的设计优化,寿命预测及安全监控等方面提供了理论基础。To adjust the oscillation of renewable energy sources in the discontinuous generation of electricity, power plants will be used to stabilize the fluctuations. Power plants will start and stop frequently in the fluctuations, which exacerbated the fatigue creep damage of turbine rotor material. In this paper, the prediction methods for fatigue creep life of turbine rotor under low cycle fatigue and high cycle fatigue load have been summarized, which provides a theoretical basis for optimizing the design, predicting the life of fatigue creep and monitorin~ of the Dower plant components.

关 键 词：汽轮机转子钢 低周蠕变疲劳载荷 复合高周疲劳载荷 寿命预测方法 

分 类 号：TK265[动力工程及工程热物理—动力机械及工程] TK267