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KMID : 0371819960280040373
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Nuclear Engineering and Technology
1996 Volume.28 No. 4 p.373 ~ p.378
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Structural Integrity Evaluation of CANFLEX Fuel Bundle by Hydraulic Drag Load
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H.Y. Kang
K.S. Sim/J.H. Lee/T.H. Kim/J.S. Jun/C.H. Chung/J.H. Park/and H.C.Suk
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Abstract
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The CANFLEX fuel bundle has been developed by KAERI/AECL jointly to facilitate the use of various fuel cycles in CANDU-6 reactor. The structural analysis of the fuel bundles by hydraulic drag force is performed to evaluate the fuel integrity during the refuelling service. The present analysis method is newly developed for the structural integrity valuation by studying FEM modelling for the fuel bundles in a fuel channel. As compared the results of the mechanical strength test the displacement value of endplate given by analysis results shoo6 to be good agreement within 15% under the maximum design drag load. As the results of analysis, it is shown to keep the structural integrity of CANFLEX fuel bundles under hydraulic drag load during the refuelling service.
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