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Void fraction influence on CICCs coupling losses: Parametric measurements and analysis with MPAS model

Abstract : Modelling by analytical approach the coupling losses of CICCs used in tokamaks remains a challenge to be reliable. This is usually done using either CPU consuming numerical approaches or heuristic models such as MPAS now used for ITER. Experimental measurements of AC losses are performed at CEA using magnetization method on several JT-60SA TF type samples with various void fractions (25%-36%). Influence of void fraction on coupling losses is hard to heuristically model yet. We choose to develop an experimental protocol in order to measure coupling losses in a range of frequency relevant to fusion operation domain. AC losses model as MPAS is confronted to our JOSEFA experimental data. Conclusion and lessons will be taken into account for future work.
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https://hal-amu.archives-ouvertes.fr/hal-03189295
Contributor : Frédéric Topin <>
Submitted on : Saturday, April 3, 2021 - 8:25:00 AM
Last modification on : Wednesday, April 7, 2021 - 3:23:07 AM

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M Chiletti, J Duchateau, F Topin, B Turck, L Zani. Void fraction influence on CICCs coupling losses: Parametric measurements and analysis with MPAS model. IEEE Transactions on Applied Superconductivity, Institute of Electrical and Electronics Engineers, 2020. ⟨hal-03189295⟩

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