NEPTUN-III Reflooding and Boiloff Experiments with an LWHCR Fuel Bundle Simulator: Experimental Results and Initial Code Assessment Efforts
- 1 January 1988
- journal article
- research article
- Published by Taylor & Francis Ltd in Nuclear Technology
- Vol. 80 (1), 93-106
- https://doi.org/10.13182/nt88-a35552
Abstract
The NEPTUN test facility at Würenlingen, Switzerland, has been modified to enable light water high conversion reactor (LWHCR) representative reflooding and boiloff experiments to be carried out. Results from a first series of forced feed reflooding tests, simulating cold-leg injection, are presented for a range of values of the flooding rate, rod power, and initial rod temperature parameters. Rewetting of the LWHCR fuel bundle simulator was found to be possible in each case. Analysis of the NEPTUN-III reflooding experiments with RELAP5/MOD2 yield discrepant results, and it has been shown, in the context of calculations of the boiloff experiments, that some LWHCR specific models and correlations need to be developed.Keywords
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