Dynamic Qualification of Fuel Assembly for Earthquake and Pipe Break

지진 및 배관파단에 대한 핵연료집합체의 동적 검증

  • 정명조 (한국원자력안전기술원 방사선공학연구실) ;
  • 박윤원 (한국 원자력안전기술원 방사선공학연구실)
  • Published : 2000.03.01

Abstract

핵연료집합체 검증 프로그램의 일환으로 본 연구에서는 지진과 배과파단이 핵연료집합체의 건선성에 미치는 영향을 검토하였다 원자로 노심의 상세 동적해석을 이용하여 지진 및 배과파단시 핵연료 집합체에 발생하는 전단력 굽힘 모우멘트 및 변위를 계산하였고 또한 집합체를 지지하고 있는 지지격자체의 충격력을 검토하였다 이들 하중에 대한 핵연료집합체의 응력해석을 수행하여 사고조건하에서의 구조적 건전성에 대하여 언급하였고 추후 설계시 고려할 사항을 제시하였다.

Keywords

References

  1. Standard Review Plan Section 3.9.3 Appendix A, Rev. 1 Stress limits for ASME class 1, 2,and 3 components and component supports of safety-related systems and class CS core support structures under specified service loading combinations USNRC
  2. Structural Engineering and Mechanics v.2 no.2 Seismic behavior of fuel assembly for pressurized water reactor Jhung, M. J.;Hwang, W. G.
  3. Proceedings of the International Conference on Structural Dynamic Modeling Analytical study on the vibration characteristics of control element assembly shroud Jhung, M. J.;Choi, S.;Song, H. G.
  4. Proceedings of the International Conference on Vibration Engineering Experimental study on the vibration characteristics of control element assembly shroud Jhung, M. J.;Choi, S.
  5. Proceedings of the International Conference on Vibration in Nuclear Plant PWR fuel assembly dynamic characteristics Stokes, F. E.;King, R. A.
  6. Journal of the Korean Nuclear Society v.24 Dynamic characteristics of spacer grid impact loads for SSE Jhung, M. J.;Song, H. G;Park, K. B.
  7. Regulatory Guide 1.60, Rev.1 Design response spectra for seismic design of nuclear power plants USNRC
  8. Nuclear Engineering and Design v.112 Assessment o large scale pipe tests by fracture mechanics approximation procedures with regard to leak-before-break Roos, E.(et al.)
  9. Nuclear Engineering and Design v.152 Dynamic response of reactor internals to pipe breaks Jhung, M. J.;Park, K. B.;Hwang, W. G.
  10. Seismic analysis of safety-related nuclear structures ASCE
  11. Structural Engineering and Mechanics v.5 no.2 Axial response of PWR fuel assemblies for earthquake and pipe break excitations Jhung, M. J.
  12. Theory of Elastic Stability(2nd ed.) Timoshenko, S. P.;Gere, J. M.