Title: Nuclear Analyses for the ITER ECRH Launcher
Authors: SERIKOV ArkadyFISCHER UlrichHEIDINGER RolandSPAEH PeterSTICKEL StephanieTSIGE-TAMIRAT Haileyesus
Citation: NUCLEAR FUSION vol. 48 no. 5 p. 054016 (6pp)
Publisher: INT ATOMIC ENERGY AGENCY
Publication Year: 2008
JRC N°: JRC52296
ISSN: 0029-5515
URI: http://iopscience.iop.org/0029-5515/48/5/054016/pdf/0029-5515_48_5_054016.pdf
http://publications.jrc.ec.europa.eu/repository/handle/JRC52296
DOI: 10.1088/0029-5515/48/5/054016
Type: Articles in Journals
Abstract: Computational results of the nuclear analyses for the ECRH launcher integrated into the ITER upper port are presented. The purpose of the analyses was to provide the proof for the launcher design that the nuclear requirements specified in the ITER project can be met. The aim was achieved on the basis of 3D neutronics radiation transport calculations using the Monte Carlo code MCNP. In the course of the analyses an adequate shielding configuration against neutron and gamma radiation was developed keeping the necessary empty space for mm-waves propagation in accordance with the ECRH physics guidelines. Different variants of the shielding configuration for the extended performance front steering launcher (EPL) were compared in terms of nuclear response functions in the critical positions. Neutron damage (dpa), nuclear heating, helium production rate, neutron and gamma fluxes have been calculated under the conditions of ITER operation. It has been shown that the radiation shielding criteria are satisfied and the supposed shutdown dose rates are below the ITER nuclear design limits.
JRC Institute:Institute for Energy and Transport

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