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Safety Analysis of SMR with PAssive Mitigation strategies - Severe Accident

Project description

Pushing forward the licensing of integral pressurised water reactors in Europe

There is growing interest in Europe in the deployment of small modular reactors (SMRs). One type of SMR is the integral pressurised water reactor (iPWR), which is ready to be licensed as a new build. Despite the reinforcement of the first three levels of the defence-in-depth (DiD) approach, a sound demonstration of iPWR ability to address severe accidents (SA) should be carried out (DiD levels 4-5). In this context, the EU-funded SASPAM-SA project aims to investigate the applicability and transfer of the operating large light-water reactor knowledge and know-how to the iPWR, taking into account European licensing analysis needs for the SA and emergency planning zone. Project outcomes will help speed up the licensing and siting process of iPWRs in Europe.

Objective

Small Modular Reactors (SMR) are one of the key options for the near-term deployment of new nuclear reactors. Currently in Europe there is a growing interest towards the deployment of SMRs, and several activities are underway in many countries preparing for possible licensing needs. In particular, Integral Pressurized Water Reactor (iPWR) are ready to be licensed as new builds because they start from the well-proven and established large Light Water Reactor (LWR) technology, incorporate their operational plant experience/feedback, and include moderate evolutionary design modifications to increase the inherent safety of the plant. However, despite the reinforcement of the first three levels of the Defence-in-Depth (DiD), e.g. with the adoption of passive safety systems, a sound demonstration of iPWR ability to address Severe Accidents (SA) should be carried out (DiD levels 4-5). The main objectives of the project will be to transfer and adapt such knowledge and know-how to iPWR, in view of the European SA and Emergency Planning Zone (EPZ) analyses. The main elements considered are: (i) the identification of plausible SA scenarios for iPWRs with the related conditions in the vessel and in the containment, (ii) the study of the applicability of the existing experimental databases to iPWR and identify new experimental needs, (iii) the assessment of the capability of internationally recognized European and Non-European computational tools (largely used in Europe) to describe the behaviour of the most promising iPWR designs during SA scenarios, and (iv) the prediction of the resulting radiological impact on- and off-site, taking into account special SA mitigation/management strategies. The expected outcomes of the project will help speeding up the licensing of iPWRs in Europe, as well as the siting processes of these reactors in light of their possible use near densely populated areas.

Fields of science (EuroSciVoc)

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Keywords

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Programme(s)

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Topic(s)

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Funding Scheme

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EURATOM-RIA - EURATOM Research and Innovation Actions

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Call for proposal

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(opens in new window) HORIZON-EURATOM-2021-NRT-01

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Coordinator

AGENZIA NAZIONALE PER LE NUOVE TECNOLOGIE, L'ENERGIA E LO SVILUPPO ECONOMICO SOSTENIBILE
Net EU contribution

Net EU financial contribution. The sum of money that the participant receives, deducted by the EU contribution to its linked third party. It considers the distribution of the EU financial contribution between direct beneficiaries of the project and other types of participants, like third-party participants.

€ 342 656,00
Address
LUNGOTEVERE GRANDE AMMIRAGLIO THAON DI REVEL 76
00196 Roma
Italy

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Region
Centro (IT) Lazio Roma
Activity type
Research Organisations
Links
Total cost

The total costs incurred by this organisation to participate in the project, including direct and indirect costs. This amount is a subset of the overall project budget.

€ 456 875,00

Participants (21)

Partners (1)

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