Heating bulk ions in DEMO with ICRF waves
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hdl:2099/16567
Document typeConference report
Defense date2015-05-05
PublisherBarcelona Supercomputing Center
Rights accessOpen Access
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Attribution-NonCommercial-NoDerivs 3.0 Spain
Abstract
Ion cyclotron resonance frequency heating (ICRF) is one of
the auxiliary heating schemes presently envisaged for ITER and
DEMO. In this paper we analyse the potential of ICRF waves to heat
the fuel ions in DEMO. Our analysis is carried out for the EU DEMO
design¹ (B = 6.8 T, I = 18.6 MA, R = 9.25 m, a = 2.64 m) optimized
for a maximum pulse length of 2.3 hrs using the ICRF modelling
codes PION and TORIC [2, 3] . We focus on second harmonic
heating for tritium and fundamental minority heating of ³He with a
few percent of ³He in a 50%:50% D-T plasma. The dependence of the
ICRF characteristics and the ICRF-accelerated ions on the ICRF and
plasma parameters is investigated, giving special attention to the
DEMO design point at a plasma temperature of 30 keV and an
electron density of 1.2 · 10²⁰ m⁻ ³.
CitationGallart, Dani; Mantsinen, Mervi; Kazakov, Yevgen. Heating bulk ions in DEMO with ICRF waves. A: "BSC Doctoral Symposium (2nd: 2015: Barcelona)". 2nd ed. Barcelona: Barcelona Supercomputing Center, 2015, p. 106-107.
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