The Ignalina NPP has two reactors. The Unit 1 was shut down, therefore the special equipment was designed for transportation of the fuel from Unit 1 to Unit 2. The fuel-loaded basket can drop during transportation. The special shock absorber was designed in order to avoid failure of fuel assemblies during transportation. In case of drop of fuel loaded basket, the failure of fuel assemblies can occur. This shock absorber was studied by scaled experiments at Lithuanian Energy Institute. Static and dynamic investigations of shock absorber are presented in this paper, including dependency of axial force versus axial compression. The finite element codes BRIGADE/Plus and ABAQUS/Explicit were used for analysis. Static simulation was used to optimize the dimensions of shock absorber. Dynamic analysis shows that shock absorber is capable to withstand the dynamic load for successful force suppression function in case of an accident.
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14th International Conference on Nuclear Engineering
July 17–20, 2006
Miami, Florida, USA
Conference Sponsors:
- Nuclear Engineering Division
ISBN:
0-7918-4245-2
PROCEEDINGS PAPER
Investigation of a Shock Absorber for Safeguard of Fuel Assemblies Failure Available to Purchase
Renatas Karalevicˇius,
Renatas Karalevicˇius
Lithuanian Energy Institute, Kaunas, Lithuania
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Gintautas Dundulis,
Gintautas Dundulis
Lithuanian Energy Institute, Kaunas, Lithuania
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Sigitas Rimkevicˇius,
Sigitas Rimkevicˇius
Lithuanian Energy Institute, Kaunas, Lithuania
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Eugenijus Usˇpuras
Eugenijus Usˇpuras
Lithuanian Energy Institute, Kaunas, Lithuania
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Renatas Karalevicˇius
Lithuanian Energy Institute, Kaunas, Lithuania
Gintautas Dundulis
Lithuanian Energy Institute, Kaunas, Lithuania
Sigitas Rimkevicˇius
Lithuanian Energy Institute, Kaunas, Lithuania
Eugenijus Usˇpuras
Lithuanian Energy Institute, Kaunas, Lithuania
Paper No:
ICONE14-89580, pp. 671-675; 5 pages
Published Online:
September 17, 2008
Citation
Karalevicˇius, R, Dundulis, G, Rimkevicˇius, S, & Usˇpuras, E. "Investigation of a Shock Absorber for Safeguard of Fuel Assemblies Failure." Proceedings of the 14th International Conference on Nuclear Engineering. Volume 4: Computational Fluid Dynamics, Neutronics Methods and Coupled Codes; Student Paper Competition. Miami, Florida, USA. July 17–20, 2006. pp. 671-675. ASME. https://doi.org/10.1115/ICONE14-89580
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