Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

The European DEMO HCPB Breeding Blanket: Design Status at the End of Pre-Concept Design Phase

Guangming Zhou
* ORCID logo ,
Francisco Alberto Hernández
ORCID logo ,
Pavel Pereslavtsev
ORCID logo ,
Béla Kiss
,
Anoop Retheesh
ORCID logo ,
Luis Maqueda
,
Jin Hun Park
Version 1 : Received: 27 April 2023 / Approved: 28 April 2023 / Online: 28 April 2023 (03:46:13 CEST)
Version 2 : Received: 22 June 2023 / Approved: 25 June 2023 / Online: 25 June 2023 (04:44:52 CEST)

A peer-reviewed article of this Preprint also exists.

Zhou, G.; Hernández, F.A.; Pereslavtsev, P.; Kiss, B.; Retheesh, A.; Maqueda, L.; Park, J.H. The European DEMO Helium Cooled Pebble Bed Breeding Blanket: Design Status at the Conclusion of the Pre-Concept Design Phase. Energies 2023, 16, 5377. Zhou, G.; Hernández, F.A.; Pereslavtsev, P.; Kiss, B.; Retheesh, A.; Maqueda, L.; Park, J.H. The European DEMO Helium Cooled Pebble Bed Breeding Blanket: Design Status at the Conclusion of the Pre-Concept Design Phase. Energies 2023, 16, 5377.

Abstract

Significant design efforts were undertaken during the Pre-Concept Design (PCD) phase of the European DEMO programme to optimize the Helium Cooled Pebble Bed (HCPB) breeding blanket. A Gate Review was conducted for the entire European DEMO programme at the conclusion of the PCD phase. This article presents a summary of the design evolution and the rationale behind the HCPB breeding blanket concept for the European DEMO. The main performance metrics, including nuclear, thermal hydraulics, thermal mechanical, and tritium permeation behaviors, are reported. These figures demonstrate that the HCPB breeding blanket is a highly effective tritium-breeding and robust driver blanket concept for the European DEMO. In addition, three alternative concepts of interest were explored. Furthermore, this article outlines the upcoming design and R&D activities for the HCPB breeding blanket during the Concept Design phase (2021-2027).

Keywords

European DEMO; Helium Cooled Pebble Bed; Tritium Breeding Blanket; Design

Subject

Engineering, Energy and Fuel Technology

Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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