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IRSN, Institut de radioprotection et de sûreté nucléaire

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Enhancing Nuclear Safety


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Spray model validation on single droplet heat and mass transfers for containment applications – SARNET-2 benchmark

14th International Topical Meeting on Nuclear Reactor Thermalhydraulics (NURETH-14) / 25-30 September 2011, Toronto (Canada)

Summary

This work is performed in the frame of the SARNET-2 network, within the Sub-Work Package WP7-2, Task 1 (spray activities). Three different elementary test series have been proposed for benchmarking and the first serie, concerning heat and mass transfer on a single droplet, is presented here. Code-experiment and code-to-code comparisons are presented. It is shown that the mass transfer terms are responsible for most of the differences and, depending on the kind of test, that the errors can either compensate together or be enhanced. Since the errors are propagating over the droplet height fall, they could be not negligible for real containment cases.

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