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WP STELLARATOR M. Jakubowski (PL), Arturo Alonso (DTFL), Ivàn Calvo (DTFL), Juliane Haese (PSO) Project Board 28.10.2025<br>
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Structure of WP STEL M.Jakubowski, WP STEL | Project Board Meeting | 28 October 2025 Exploitation of W7-X* Campaign participation incl. missions in 2026 and 2027 Exploitation of W7-X aligned with Grand Deliverables Preparation of the campaign in 2026 and 2027 Key Physics Gaps+ Continue work of expert group (reduced scope) Address high priority key physics gaps HELIAS physics basis and stellarator database ITER, Enhancements Diagnostic systems for ITER High power gyrotrons Large diagnostic projects: MATEO, sFILD Stellarator DEMO+ Coil design for advanced configurations Neutronic calculations and tools for neutronic analysis Development of 3D blanket structures * Engage stronger tokamak community within WP STEL
+ Engage in exchange with TSVVs, DEMO central team, but also stellarator start-ups<br>
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Objectives of WP STEL M.Jakubowski, WP STEL | Project Board Meeting | 28 October 2025<br>
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Objectives of WP STEL (continued) M.Jakubowski, WP STEL | Project Board Meeting | 28 October 2025<br>
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Ansatz for the evaluation of the call for participation To avoid a repeat of the loss that occurred midway through FP9, keep long-term collaborators involved in the stellarator programme, but also attract new groups from the TE community.
Align W7-X exploitation activities more closely with the GDs to reduce the scatter. Monitor progress with the help of SSRLs.
Continue to evaluate key physics gaps and guide discussions towards closing these gaps for stellarator reactors.
Further use one-team approach to W7-X exploitation, as this has proven successful in enabling external laboratories to participate fully in the W7-X work programme.
Increase funding for ITER enhancements and stellarator reactors, as these are important activities for the wider European and stellarator communities. M.Jakubowski, WP STEL | Project Board Meeting | 28 October 2025<br>
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Asignement of financial resources (assumes 28 PM/year from WP PRD for SPPS M.Jakubowski, WP STEL | Project Board Meeting | 01-02 April 2025<br>
Stellarator DEMO reactor activities in 2026/2027 (58 PM) M.Jakubowski, WP STEL | Project Board Meeting | 28 October 2025 The budget made available by the PMU in April increased from €134k to €204k by reassigning internal resources, this is an important area of research.
Two coordinators were appointed to improve the streamlining of task definition and monitoring.
The definition of key technological gaps for stellarator reactors (with TRLs) can be carried out in FP9 or at the beginning of FP10.<br>
