Transactions of the Korean Society for Noise and Vibration Engineering (한국소음진동공학회논문집)

The Korean Society for Noise and Vibration Engineering (한국소음진동공학회)
권호 표지
DOI QR코드

DOI QR Code

Vibration Characteristic Analysis of a Duel-cooled Fuel Rod according to the Cross-sectional Dimensions and the Span Length

이중냉각 연료봉의 단면치수와 스팬길이에 따른 진동특성해석

  • 이강희 (한국원자력연구원 선진경수로연료개발센터) ;
  • 김재용 (한국원자력연구원 선진경수로연료개발센터) ;
  • 이영호 (한국원자력연구원 선진경수로연료개발센터) ;
  • 윤경호 (한국원자력연구원 선진경수로연료개발센터) ;
  • 김형규 (한국원자력연구원 선진경수로연료개발센터)
  • Published : 2007.09.20
Download PDF
⟨ Previous Next ⟩

Abstract

Vibration characteristics of an duel-cooling cylindrical fuel rod, which was proposed as a candidate design of fuel's cross section for the ultra-high burnup nuclear fuel, according to the cross-sectional dimensions and the number of supports or the span length were analytically studied. Finite element(FE) modeling for the annular cross sectional fuel was based on the methodology, that have been proven by the test verification, for the conventional PWR nuclear fuel rod. A commercial FEA code, ABAQUS, was used for the FE modeling and analysis. A planar beam element (B21) that uses a linear interpolation was used for the fuel rod and a linear spring element for the spring and dimple of the SG. Natural frequencies and mode shape were calculated according to the preliminary design candidates for the fuel's cross sectional dimension and the number of span. From the analysis results, the design scheme of the annular fuel compatible to the present PWR nuclear reactor core was discussed in terms of the number of supports and fuel's cross section.

Keywords

References

  1. Brian, R. T. F., 1982, Nuclear Fuel Elements: Design, Fabrication and Performance, Pergamon Press, New York
  2. Kim, H.-K. and Kim, M.-S, 2005, 'Vibration Analysis of PWR Fuel Rod', Journal of Sound and Vibration, Vol. 282, pp. 553-572 https://doi.org/10.1016/j.jsv.2004.04.024
  3. Paidoussis, M. P., 2002, Flow Structure Interaction ; Slender Structure and Axial Flow, Academic Press, New York
  4. Kang, H.-S., Yoon, K.-H., Song, K.-N., Jung, Y.-H. and Yim, J.-S., 1999, 'A Study on the Vibrational Behavior of the Fuel Rods Continuously Supported by a Rotary and Bent Spring System', Proceedings of KSNVE Annual Autumn Conference, pp. 454-460 (In Korean)
  5. Choi, M.-H., Kang, H.-S., Yoon, K.-H., Song, K.-N., 2003, 'Vibration Characteristics of the PWR Fuel Rod Supported by New Doublet Spacer Grids', KAERI/TR-2452/2003, KAERI
  6. Kellyn, S. B., 2007, 'Article from Environmental Science & Technology', American Chemical Society
  7. Oh, D.-S., Yang, Y.-S., Lee, Y.-H., Shin, C.-H., Kim, K.-S., Chun, T.-H. and Song, K.-W., 2005, 'Feasibility Study on Double-cooled Annular Fuel with KSNP(II)', Transactions of the Korean Nuclear Society Autumn Meeting, Paper Number, 448
  8. Lee, K.-H., Kim, J.-Y., Lee, Y.-H., Yoon, K.-H. and Kim, H.-K., 2007, 'Preliminary Study on a Vibration Analysis Modeling for a New Cross-sectional Configuration of a Nuclear Fuel Rod', Transactions of the Korean Nuclear Society Autumn Meeting, Paper Number, 631
  9. Park, N.-G., Jeon, S.-Y., Suh, J.-M. and Kim, K.-T., 2006, 'Vibration Characteristics of a Nuclear Fuel Rod in Uniform Axial Flow', Transactions of the Korean Society for Noise and Vibration Engineering, Vol. 16, No. 11, pp.1115-1123 https://doi.org/10.5050/KSNVN.2006.16.11.1115