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Residual life evaluation of pressurizer surge line nozzle in nuclear plant

원자력발전소 가압기 밀림관 노즐의 잔존 피로수명평가

Lee, Kang-Yong;Kim, Jong-Sung;Bae, Jung-Il;Jin, Tae-Eun;Youm, Hak-Ki;Hong, Seong-Yul;Jeong, Il-Suk;Kim, Yoo
이강용;김종성;배정일;진태은;염학기;홍승열;정일석;김유

  • Published : 1997.08.01

Abstract

The procedure for the determination of the residual life of the pressurizer surge line nozzle in the nuclear plant is developed. The design fatigue life for the 1800 $ft^3$ pressurizer surge line nozzle in cast head design is compared with that of Westinghouse stress report, and the percentage difference between two results is less than 9%. The design fatigue life evaluation of the 1000 $ft^3$ pressurizer surge line nozzle in fabricated head design is carried out, and the consuming rate and residual life are estimated using the operating data.

Keywords

Life Evaluation;Stress Analysis;Pressurizer;Surge line Nozzle;Fatigue

References

  1. Surge Line Nozzle (Fabricated Head Design)
  2. The Finite Element Method Zienkiewicz, O. C.;Taylor, R. L.
  3. Surge Line Nozzle (Cast Head Design)
  4. ASME Boiler and Pressure Vessel Code
  5. Pressurizer Surge Nozzle Analysis, Section 3.1 of the Pressurizer Stress Report Berysch, O.
  6. NISA II User's Manual
  7. ASME Boiler and Pressure Vessel Code
  8. Westinghouse Equipment Specification