Modeling ICRH and ICRH-NBI synergy in high power jet scenarios using european transport simulator (ETS)

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Abstract

The European Integrated Modelling effort (EU-IM) provides the European Transport Simulator (ETS) [1] which was designed to simulate arbitrary tokamak plasma discharges. Two new 1D Fokker-Planck solvers have recently been implemented within ETS: StixRedist [3] and FoPla [4]. To ensure the CPU time remains acceptable, the latter was parallelized with a generic and easy to implement method. In this paper, it will be shown how these modules were integrated in the ETS workflow in particular a first approach adopted to reach a consistency between wave and Fokker-Planck equation resolution. Also, the Verification and Validation efforts will be discussed. JET shots were analyzed and the ETS predictions were cross-checked against earlier validated codes external to the EU-IM effort, TRANSP [5] in particular, as well as against experimental neutron yield data. A good agreement was obtained, both when comparing the predictions with other codes for cases within their reach (minority or beam populations) and with experimental neutron yield data. Simulations illustrating the exploitation of the nonlinear collision operator when solving a set of coupled Fokker-Planck equations for cases when majority species play a key role will be also shown.

Original languageEnglish
Title of host publication23rd Topical Conference on Radiofrequency Power in Plasmas
EditorsPaul T. Bonoli, Robert I. Pinsker, Xiaojie Wang
PublisherAmerican Institute of Physics
Number of pages4
ISBN (Electronic)9780735420137
DOIs
Publication statusPublished - 16 Sep 2020
MoE publication typeA4 Article in a conference publication
EventTopical Conference on Radiofrequency Power in Plasmas - Hefei, China
Duration: 14 May 201917 May 2019
Conference number: 23

Publication series

NameAIP Conference Proceedings
PublisherAmerican Institute of Physics
Volume2254
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Conference

ConferenceTopical Conference on Radiofrequency Power in Plasmas
Country/TerritoryChina
CityHefei
Period14/05/201917/05/2019

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