Ziel
The proposed work aims at enhancing the database and improving calculational modelling of fluid mixing and flow distribution phenomena in the PWR primary circuit. These phenomena are important for resolution of boron dilution and steam line break accident issues and for assessing the thermal loading of the primary components.
Mixing is the most important mitigate mechanism against reactivity insertion due to boron dilution or primary circuit overcooling as well as of pressurised thermal shock due to cold emergency cooling water injection. Understanding of the thermal loading is a critical issue for the plant life time-management.
The proposed work includes a well-defined set of mixing experiments in various flow-mixing facilities and justifying the computational fluid dynamic s models for these applications.
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01314 WEISSIG - DRESDEN
Deutschland