Number of the records: 1
Conceptual design of Fiber Bragg Grating temperature sensors for heat load measurements in COMPASS-U plasma-facing components
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SYSNO ASEP 0573324 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Conceptual design of Fiber Bragg Grating temperature sensors for heat load measurements in COMPASS-U plasma-facing components Author(s) Čaloud, Jakub (UFP-V)
Tomešová, Eva (UFP-V) ORCID
Balner, Vojtěch (UFP-V)
Bogár, Ondrej (UFP-V) ORCID
Corre, Y. (FR)
Dejarnac, Renaud (UFP-V) RID, ORCID
Dimitrova, Miglena (UFP-V) ORCID
Gerardin, Jonathan (UFP-V) ORCID
Hron, Martin (UFP-V) RID, ORCID
Pánek, Radomír (UFP-V) RID
Patočka, Karel (UFP-V)
Peterka, Matěj (UFP-V) RID, ORCID
Vondráček, Petr (UFP-V) RID, ORCID
Weinzettl, Vladimír (UFP-V) RID, ORCIDNumber of authors 14 Article number 113608 Source Title Fusion Engineering and Design. - : Elsevier - ISSN 0920-3796
Roč. 193, August (2023)Number of pages 6 s. Publication form Online - E Language eng - English Country NL - Netherlands Keywords Diagnostics ; Fiber Bragg Gratings ; Heat loads ; Plasma-facing components ; Temperature measurements Subject RIV JF - Nuclear Energetics OECD category Nuclear physics Method of publishing Limited access Institutional support UFP-V - RVO:61389021 UT WOS 000982665500001 EID SCOPUS 85151784233 DOI 10.1016/j.fusengdes.2023.113608 Annotation Information about the temperature of plasma-facing components is important for a reliable tokamak operation. A temperature monitoring system using Fiber Bragg Grating (FBG) sensors is foreseen for the new tokamak COMPASS Upgrade, which is currently starting its construction. This diagnostic can be a valuable complement to IR thermography, thermocouples, and Langmuir probe divertor diagnostics. The system will be optimized to estimate the steady-state and transient heat loads, such as runaway electrons, on the divertor and limiters. In this contribution, current progress in the design of the FBG sensors for the COMPASS-U initial open divertor and guard limiters is presented. The heat flux on the plasma-facing components is modeled for diverted and first phase circular plasma scenarios by the PFCFlux code. The subsequent heating and the mechanical strain in the components dedicated for the placement of the sensors is simulated by the finite element analysis software ANSYS. Using these results, the optimal placement and configuration of the sensors are determined with respect to the anticipated maximum temperature and gradients. Workplace Institute of Plasma Physics Contact Vladimíra Kebza, kebza@ipp.cas.cz, Tel.: 266 052 975 Year of Publishing 2024 Electronic address https://www.sciencedirect.com/science/article/pii/S0920379623001928?via%3Dihub
Number of the records: 1