| 汽轮机转子热应力在线监测模型研究 |
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| 引用本文： | 孙昆峰,张恒良.汽轮机转子热应力在线监测模型研究[J].汽轮机技术,2008,50(6). |
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| 作者姓名： | 孙昆峰 张恒良 |
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| 作者单位： | 1. 中原工学院能源与环境学院,郑州,450007
2. 武汉大学动力与机械工程学院,武汉,430072 |
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| 摘 要： | 从轴对称导热微分方程出发，根据汽轮机转子的特点，对转子模型进行简化，推导出汽轮机实心转子温度分布和热应力理论计算公式。此模型不仅可以用作实心汽轮机转子热应力理论分析、疲劳寿命计算，更方便用于转子在线监测，为汽轮机的安全启停和状态检修提供依据。
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| 关 键 词： | 汽轮机转子 热应力 在线监测 |
Study of Thermal Stress On-line Monitoring Model for Steam Turbine Rotors |
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| SUN Kun-feng,ZHANG Heng-liang.Study of Thermal Stress On-line Monitoring Model for Steam Turbine Rotors[J].Turbine Technology,2008,50(6). |
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| Authors: | SUN Kun-feng ZHANG Heng-liang |
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| Abstract: | Considering steam turbine characters,the conduction calculation model of steam turbine rotors was simplified,based on two-dimensional axis-symmetry thermal conduction differential equation.The theory calculation model was gotten to analyze the thermal state of turbine solid rotors,and fatigue life calculation.It is also profit to online monitor of rotors and present a standard for start-up or outage of steam turbine. |
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| Keywords: | steam turbine rotor thermal stress on-line supervision |
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