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The supercritical CO2 Heat Removal System

Objective

"Raising nuclear reactor safety to a higher level - The supercritical CO2 heat removal system - ""sCO2-HeRo""

The “supercritical CO2 heat removal system”, sCO2-HeRo, safely, reliably and efficiently removes residual heat from nuclear fuel without the requirement of external power sources. This system therefore can be considered as an excellent backup cooling system for the reactor core or the spent fuel storage in the case of a station blackout and loss of ultimate heat sink. sCO2-HeRo is a very innovative reactor safety concept as it improves the safety of both currently operating and future BWRs and PWRs through a self-propellant, self-sustaining and self-launching, highly compact cooling system powered by an integrated Brayton-cycle using supercritical carbon dioxide. Since this system is powered by the decay heat itself, it provides new ways to deal with accidents that are beyond design.

The sCO2-HeRo provides breakthrough options with scientific and practical maturity, which will be proven by means of numerical tools, like advanced CFD, and small-scale experiments to determine the performance of the components like a compact heat exchanger and a turbo-machine set. A demonstration unit of the sCO2-HeRo system will be installed in a unique glass model in order to demonstrate the maturity of the system. Finally, the potential of this system to deal with a range of different accident scenarios and beyond-design accidents will be shown with the help of the German nuclear code ATHLET.
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Leaflet | Map data © OpenStreetMap contributors, Credit: EC-GISCO, © EuroGeographics for the administrative boundaries

Coordinator

UNIVERSITAET DUISBURG-ESSEN

Address

Universitatsstrasse 2
45141 Essen

Germany

Activity type

Higher or Secondary Education Establishments

EU Contribution

€ 886 595

Participants (5)

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UNIVERSITAET STUTTGART

Germany

EU Contribution

€ 606 841,25

CENTRUM VYZKUMU REZ SRO

Czechia

EU Contribution

€ 253 201,25

UJV REZ, a. s.

Czechia

EU Contribution

€ 163 080

TECHNISCHE UNIVERSITEIT DELFT

Netherlands

EU Contribution

€ 409 078,75

GFS GESELLSCHAFT FUR SIMULATORSCHULUNG MBH

Germany

EU Contribution

€ 472 765

Project information

Grant agreement ID: 662116

  • Start date

    1 September 2015

  • End date

    31 August 2018

Funded under:

H2020-Euratom-1.1.

  • Overall budget:

    € 2 791 561,25

  • EU contribution

    € 2 791 561,25

Coordinated by:

UNIVERSITAET DUISBURG-ESSEN

Germany

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