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Nakamura, Makoto; Kemp, R.*; Uto, Hiroyasu; Ward, D. J.*; Tobita, Kenji; Hiwatari, Ryoji*; Federici, G.*
Fusion Engineering and Design, 87(5-6), p.864 - 867, 2012/08
Times Cited Count：19 Percentile：79.52(Nuclear Science & Technology)For fusion research directed at electricity generation in the ITER and post-ITER era, it is necessary to define development targets toward DEMO including plasma parameters and engineering requirements such as magnetic field and divertor heat flux. In general as a first step of systematic reactor design, systems analysis is performed in order to estimate reactor operation windows with engineering constraints. Thus, evaluation of existing systems analysis codes or development of systems codes is essential for basis of fusion reactor plasma parameters and engineering requirements. In this paper we report recent our efforts towards improvement of systems codes for the BA DEMO design, i.e. benchmarking the two systems codes the Japan and EU home teams are managing. The main result is that calculation outputs from the two codes are in good agreement.
Nakamura, Makoto; Kemp, R.*; Uto, Hiroyasu; Tobita, Kenji; Ward, D. J.*; Hamamatsu, Kiyotaka; Federici, G.*
no journal, ,
We report recent efforts towards improvement of a systems analysis code TPC for DEMO reactor design. As a first step of such improvement, the calculated results from the two systems codes, TPC and PROCESS, are compared. The main result is that for a fusion reactor with an ITER size and the fusion power of gigawatt, most of the calculation outputs from the two codes are in good agreement while the radiation power losses calculated are somewhat different between the two codes because of difference in the impurity radiation and spatial profile models. In the presentation some issues for development/improvement of systems codes relevant to DEMO plasma physics will be discussed.
