C203 STUDY ON LOW CYCLE FATIGUE LIFE ASSESSMENT WITH SAFETY CONFIDENCE OF LARGE STEAM TURBINE COMPONENTS

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概要

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• This paper presents a method for the low cycle fatigue life expectation assessment with safety confidence of steam turbine components. The method is based on theories of probability and statistics. considering the low cycle fatigue life of steam turbine components to be a random variables : depending on concrete conditions. The low cycle fatigue life distribution parameters of the materials are estimated by statistical methods and low cycle fatigue test data. Low cycle fatigue life expectation with safety confidence of steam turbine components is calculated by applying the reliability theory. For low cycle fatigue life of steam turbine components with normal or a logarithmic normal distribution. a calculation method of the life expectation with safety confidence is given together with a practical example.

• 一般社団法人日本機械学会の論文

著者

• Hu Xian

  Shanghai Power Equipment Research Institute

• Shi Jing

  Shanghai Power Equipment Research Institute

• YANG Yu

  Shanghai Power Equipment Research Institute

• SUN Qing

  Shanghai Power Equipment Research Institute

関連論文

• C203 STUDY ON LOW CYCLE FATIGUE LIFE ASSESSMENT WITH SAFETY CONFIDENCE OF LARGE STEAM TURBINE COMPONENTS
• F307 STRENGTH AND RIGID ANALYSIS FOR EXHAUST EQUIPMENT OF 600MW SUPERCRITICAL DIRECT AIR-COOLING STEAM TURBINE(Steam Turbine-6)

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