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Volume 35 Issue 2
Feb.  2025
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LU Xifeng, ZHANG Yixiong, AI Honglei, WANG Xinjun, HE Feng. Study on Mixed Analysis Method for Fatigue Analysis of Oblique Safety Injection Nozzle on Main Piping[J]. Nuclear Power Engineering, 2014, 35(2): 86-89.
Citation: LU Xifeng, ZHANG Yixiong, AI Honglei, WANG Xinjun, HE Feng. Study on Mixed Analysis Method for Fatigue Analysis of Oblique Safety Injection Nozzle on Main Piping[J]. Nuclear Power Engineering, 2014, 35(2): 86-89.

Study on Mixed Analysis Method for Fatigue Analysis of Oblique Safety Injection Nozzle on Main Piping

  • Received Date: 2013-03-27
  • Rev Recd Date: 2013-11-11
  • Available Online: 2025-02-15
  • The simplified analysis method and the detailed analysis method were used for the fatigue analysis of the nozzle on the main piping. Because the structure of the oblique safety injection nozzle is complex and some more severe transients are subjected. The results obtained are more penalized and cannot be validate when the simplified analysis method used for the fatigue analysis. It will be little conservative when the detailed analysis method used, but it is more complex and time-consuming and boring labor. To reduce the conservatism and save time, the mixed analysis method which combining the simplified analysis method with the detailed analysis method is used for the fatigue analysis. The heat transfer parameters between the fluid and the structure which used for analysis were obtained by heat transfer property experiment. The results show that the mixed analysis which heat transfer property is considered can reduce the conservatism effectively, and the mixed analysis method is a more effective and practical method used for the fatigue analysis of the oblique safety injection nozzle.

     

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