Proceedings of the ... International Conference on Nuclear Engineering. Book of abstracts : ICONE
Online ISSN : 2424-2934
セッションID: ICONE23-2040
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ICONE23-2040 ANALYSIS OF THE E7 CABRI EXPERIMENT, A STRUCTURED TOP TRANSIENT IN RESTRAINED CONDITIONS, WITH SAS-SFR CODE
Sara Perez-MartinWerner Pfrang
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The CABRI E7 experiment was performed to study fuel pin failure and post-failure phenomena for an industrial pin with annular fuel pellet design and pin rupture with subsequent fuel ejection into liquid sodium. E7 used a structured Transient OverPower (TOP) starting at nominal cooling conditions leading to mechanical pin failure due to cavity pressure build-up at still constrained clad conditions. In this work we have studied the failure mechanisms and failure conditions serving as boundary conditions for the post-failure material-relocation behavior. We have also evaluated SAS-SFR code's capabilities to simulate post-failure phenomena in view of experimental results. We present comparisons of measured results with SAS-SFR results for the power operation irradiation of the fuel pin as well as for the E7 failure and post-failure behavior.
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