| Title: |
The ITER baseline scenario on JET in D-T with Neon seeding |
| Authors: |
V. K. Zotta; C. Leoni; L. Garzotti; C. Giroud; S. Gabriellini; R. Gatto; F. Auriemma; C. Bourdelle; L. Burla; I. S. Carvalho; J. M. Fontdecaba; L. Frassinetti; G. Gonnella; P. Innocente; A. E. Jarvinen; D. B. King; D. L. Keeling; D. Kos; K. Lawson; A. Mariani; M. Marin; S. Menmuir; R. B. Morales-Bianchetti; O. Pan; I. Predebon; G. Pucella; S. Wiesen; N. Vianello; JET Contributors; the EUROfusion Tokamak Exploitation Team |
| Contributors: |
Zotta, V. K.; Leoni, C.; Garzotti, L.; Giroud, C.; Gabriellini, S.; Gatto, R.; Auriemma, F.; Bourdelle, C.; Burla, L.; Carvalho, I. S.; Fontdecaba, J. M.; Frassinetti, L.; Gonnella, G.; Innocente, P.; Jarvinen, A. E.; King, D. B.; Keeling, D. L.; Kos, D.; Lawson, K.; Mariani, A.; Marin, M.; Menmuir, S.; Morales-Bianchetti, R. B.; Pan, O.; Predebon, I.; Pucella, G.; Wiesen, S.; Vianello, N.; Contributors, Jet; Eurofusion Tokamak Exploitation Team, The |
| Publisher Information: |
European Physical Society |
| Publication Year: |
2025 |
| Collection: |
Sapienza Università di Roma: CINECA IRIS |
| Subject Terms: |
deuterium-tritium plasma; fusion performance; impurity seeding; JET; tokamak |
| Description: |
The Joint European Torus (JET) devoted the last years of its operations to investigating key physics aspects in support of future ITER operations [1, 2]. During the last deuterium and deuterium-tritium campaigns, JET developed and optimized the Integrated Scenario [3], also known as the ITER baseline scenario, designed to operate at high plasma current, high triangularity, and in a divertor configuration to achieve partial detachment through Neon seeding [4, 5]. During the DTE3 campaign the Scientific Team dedicated a significant number of experiments in optimising the stationarity of the scenario by varying the nominal fuelling rate and the Neon seeding rate. Here we present the integrated modelling of 3.0 MA pulses performed with the JINTRAC suite of codes [6] equipped with the reduced first-principle transport model QuaLiKiz [7]. In this predictive-interpretative transport analysis, the plasma current diffusion profile, electron and ion temperature profiles, main ion density profiles, and impurity density profiles (i.e. Be, Ne, Ni and W) are predicted. The boundary conditions are imposed at the separatrix, with the pedestal region being modelled using ELM-averaged transport coefficients to match the experimental pedestal. This approach allows to obtain ELM-averaged transport coefficients and the corresponding ionization sources that are compatible with the core transport predicted by reduced first-principle transport models. Using a systematic approach devised for D-T plasmas, from an unseeded pulse [8] we model two Ne seeded pulses, characterized by different Ne concentration. The focus is on assessing the interplay between particle sources and average pedestal transport, along with the effects of impurities, which impact both dilution, transport and radiative losses. In an integrated fashion, the plasma kinetic profiles in the core are predicted, while the average pedestal transport is tuned to match experimental pedestal measurements, imposing realistic ionization sources. The sensitivity of the model to ... |
| Document Type: |
conference object |
| Language: |
English |
| Relation: |
ispartofbook:51st EPS Conference on Plasma Physics; 51st EPS Conference on Plasma Physics; firstpage:1; lastpage:4; numberofpages:4; https://hdl.handle.net/11573/1754025 |
| Availability: |
https://hdl.handle.net/11573/1754025 |
| Rights: |
info:eu-repo/semantics/openAccess ; license:Creative commons ; license uri:http://creativecommons.org/licenses/by/4.0/ |
| Accession Number: |
edsbas.DA577DB2 |
| Database: |
BASE |