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| Hauptseite > Publikationsdatenbank > Multi-staged ERO2.0 simulation of material erosion and deposition in recessed mirror assemblies in JET and ITER |
| Hauptseite > Publikationsdatenbank > Multi-staged ERO2.0 simulation of material erosion and deposition in recessed mirror assemblies in JET and ITER |
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| Journal Article | FZJ-2024-04457 |
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2024
IAEA
Vienna
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Please use a persistent id in citations: doi:10.1088/1741-4326/ad556d doi:10.34734/FZJ-2024-04457
Abstract: The deposition/erosion on optical diagnostic components—mirrors—is a critical issue in reactor class devices with long-pulsed high fluence plasma operation. The paper presents results of the three-dimensional Monte–Carlo code ERO2.0 for two diagnostic aperture and first mirror geometries to be deployed in ITER, along with a separate simulation study that aims to replicate results from an experimental first-mirror study carried out on JET. Promisingly, very little plasma and impurity deposition on mirrors for the anticipated plasma durations is found in the ERO2.0 modelling taking into account the current ITER Research Plan and a material mix with beryllium first wall and a tungsten divertor. The post-mortem analysis of mirrors exposed during the experiment and the initial benchmarking efforts on the JET mirror experiment are also broadly consistent, increasing the confidence in predictions for ITER.
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