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Mechanical Stress Analysis of a 600MW Supercritical Boiler Superheater Outlet Header
School of Energy,Power and Mechanical Engineering;North China Electric Power University;Beijing,China
School of Energy,Power and Mechanical Engineering;North China Electric Power University;Beijing,China
School of Energy,Power and Mechanical Engineering;North China Electric Power University;Beijing,China
School of Energy,Power and Mechanical Engineering;North China Electric Power University;Beijing,China
- 1 School of Energy,Power and Mechanical Engineering;North China Electric Power University;Beijing,China
- 2 School of Energy,Power and Mechanical Engineering;North China Electric Power University;Beijing,China
- 3 School of Energy,Power and Mechanical Engineering;North China Electric Power University;Beijing,China
- 4 School of Energy,Power and Mechanical Engineering;North China Electric Power University;Beijing,China
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Abstract
The mechanical stress distribution and the stress concentrations of the superheater outlet header of a 600MW supercritical boiler were analyzed by the finite element method. The results showed that the stress concentrated at the inside conjunction area between the pipe and the header cylinder , and the value of the maximum mechanical stress concentration factor is 2.51 .
KeywordsSuperheater Outlet headerFinite Element MethodStress Concentration
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