调峰载荷谱下200MW汽轮机转子疲劳寿命估算  

ESTIMATION OF ROTOR FATIGUE LIFE FOR 200 MW TURBINE DURING LOAD CHANGE

作　　者：徐自力[1] 武新华[1] 夏松波[1] 张嘉钟[1] 安宁[1] 

机构地区：[1]哈尔滨工业大学动力系,西安交通大学

出　　处：《机械强度》1996年第1期14-17,共4页Journal of Mechanical Strength

摘　　要：阐述了载荷谱下汽轮机转子疲劳寿命的计算方法，推导出计算转子瞬态温度场弹塑性应力场的有限元方程，并编制了程序。用该程序计算了２００ＭＷ汽轮机转子在几种启、停工况下的温度分布，最后计算了该转子在调峰载荷谱下的疲劳寿命消耗。An estimation of turbine rotor fatigue life during load change is presented.The finite element constitutionequations of transient temperature and thermal-elastic-plastic stress field are derived as well as the computer program.Thetemperature and stress field of 200 MW turbine rotor under different start-up and shut-down conditions are calculatedusing this program.The expenditure of rotor fatigue life during 30years cycling period is calculated also.

关 键 词：转子 疲劳寿命 温度场 应力场 汽轮机 

分 类 号：TK263.61[动力工程及工程热物理—动力机械及工程] TB126[理学—工程力学]