Title: The (European) HTR Technology Network (HTR-TN) and the development of HTR technology in Europe
Other Contributors: HITTNER Dominique
Citation: Proceedings of ICAPP'07 p. 1-12 (Paper 7565)
Publisher: SFEN
Publication Year: 2007
JRC N°: JRC36709
URI: http://publications.jrc.ec.europa.eu/repository/handle/JRC36709
Type: Articles in periodicals and books
Abstract: HTR-TN has been created in 2000 for building a coherent partnership for the development of HTR technology in Europe. For that purpose, HTR-TN elaborated a roadmap for the emergence of a new generation of industrial HTRs and is widely contributing to the implementation of the first steps of this roadmap. Through 9 coordinated contracts obtained in the 5th EURATOM Framework Programme (FP5), HTR-TN recovered the basis of past European HTR experience, addressed key feasibility issues for Generation IV high temperature systems and made significant advances in the fields of reactor physics (improved calculation methods), fuel (high quality fabrication and very high burn-up behaviour), waste management, qualification of materials for higher performance, component development and definition of safety approach for modular HTRs. In the 6th Framework Programme (FP6), a new integrated project, RAPHAEL, continues the technology developments addressed in FP5 and explores solutions for improving HTR performances towards higher temperatures (above 900°C) and burn-up (up to 200 GWd/tHM) – the VHTR objective. Moreover HTR-TN initiated other complementary actions in FP6. The RAPHAEL project has launched key experiments for HTR development: continuation of the graphite irradiation programme started in FP5 in HFR to higher fluences and temperature, test of a heat exchanger element in a helium loop (HE-FUS3, ENEA), irradiation of representative fuel coating material samples for modelling the evolution of their properties, fuel accident heat-up tests in the KÜFA facility, integral air ingress tests (NACOK, FZJ), isotopic analysis of fuel irradiated to very high burn-up (170 GWd/tHM)… HTR-TN partners consider that beyond mere electricity generation, the main motivation for developing a new generation of HTRs is their potential for providing high temperature heat for industrial processes. But coupling a nuclear reactor with an industrial process is a very challenging target requiring a large R&D effort. Therefore after developing base technologies for modular HTRs in FP5 and FP6, the future objective should be the demonstration of such a coupling by a large scale prototype experiment matching a HTR heat source and an industrial application. In particular during the 7th Framework Programme (FP7), the infrastructure necessary for qualifying the components of the prototype should be developed (large test loops, irradiation facilities, etc).
JRC Directorate:Energy, Transport and Climate

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