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W7-X Divertor Development - P224

P224 - W7-X Divertor Development

The project’s mission is to establish a performance-oriented, data-driven decision basis for a reactor-relevant W7-X divertor, building on existing scientific knowledge and available modeling tools. Following two roadmaps towards a carbon-free W7-X, the TWG “W7-X Strategy 2030” final report separated the divertor development into 1a – Definition of divertor geometry and 1b – Technology development and qualification, each concluding with an individual Concept Design Review (CDR). Both strands will be combined into an integrated design, finalized by a Developed Design Review (DDR). The CDR for 1b is planned for the first half of 2026, and the CDR for 1a in the second half of 2026.

Work in 1a will focus on:

1. Optimizing the workflow for systematic quantification of divertor functions.

2. Evaluating distinct divertor geometries in three phases:

    • Phase 1: Design for individual W7-X vacuum magnetic configurations (5/4, 5/5, 5/6).
    • Phase 2: Assessment of performance losses with plasma scenarios, extending coverage to β = 2.5% and β = 5%, including determination of the Itor operational space.
    • Phase 3: Quantification of performance trade-offs for divertor solutions covering multiple magnetic configurations.

Work in 1b will focus on:

1. Design and qualification of a metal target technology for reactor-relevant operation.

Project Team Meeting Time:

Monday 15:30-17:00

Meeting Location:

Zoom-ID: 913 0351 5504
https://eu01web.zoom.us/j/91303515504?pwd=eStUUG83c2pXOHMrOEpocXBkVU9nQT09

Project Folder:

\\share\mp\P224-Wdivertor

https://datashare.mpcdf.mpg.de/s/EPkFnQ5TXRYoNV8

GIT:

TBD

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