This project has received funding from the European Union's Horizon 2020 research and innovation programme under agreement No 945275

PASTELS will provide valuable inputs to allow the European nuclear community to obtain an informed opinion of the interest of having these innovative passive systems in European nuclear power plants. With this demonstration made, the ability for European NPP designers/ manufacturers to incorporate SACOs and CWCs in future nuclear powerplants’ designs as is already being done by non-European organisations. By being able to offer these components, Europe is safeguarding its competitive edge over foreign competitors.


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Assessment of TRACE code for modeling of passive safety system during long transient SBO via PKL/SACO facility
Frequency and amplitude of flashing-induced instability in an open natural circulation loop
PASTELS project - overall progress of the project on experimental and numerical activities on passive safety systems
TRACE code simulation of the interaction between reactor coolant system and containment building with passive heat removal system