Series Production of ITER TF Coil in Japan- Double-Pancake and Winding Pack Insulation

Koizumi, N.; Matsui, K.; Hemmi, T.; Kajitani, Hideki; Nakamoto, Mio; Yamane, Minoru; Sakaguchi, Kaori

doi:10.1109/tasc.2017.2776125

Cited by 9 publications

(1 citation statement)

References 5 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…About a year later, the first Japanese WP was completed. The successful completion of the WP involved tremendous efforts not to damage the heat-treated superconductors during insertion into stainless steel structures or during insulation process [7,8].…”

Section: Introductionmentioning

confidence: 99%

Completion of the first ITER toroidal field coil in Japan

et al. 2021

Self Cite

View full text Add to dashboard Cite

The first ITER toroidal field coil (TFC) has been successfully manufactured by the Japanese Domestic Agency in January 2020. The ITER TFCs are the largest Niobium Tin (Nb3Sn) superconducting magnets in the world; each is enclosed in an austenitic stainless-steel case with a height of 16.5 m and total weight is 310 tons (Knaster et al 2008 IEEE Trans. Appl. Supercond. 18 495–498). A set of 18 TFCs will be installed around vacuum vessel to function as a plasma confinement magnet system. The responsibility to procure 18 TFCs and 1 spare coil is shared between European Domestic Agency and Japanese Domestic Agency (Bellesia et al 2020 IEEE Trans. Appl. Supercond. 30 4202205; Sborchia et al 2008 IEEE Trans. Appl. Supercond. 18 463–466). To hold a common magnetic and geometrical properties among all the TFCs, tight tolerances of sub-millimeter order are defined on each TFC. The fabrication of those massive magnets with such tight tolerances involved some major technical challenges. These technical challenges were solved by pre-assessment and process qualification through some qualification trials. As a result, techniques established to solve those challenges were implemented to the TFC manufacturing, leading to the successful completion of the first TFC. The details are described in the paper.

show abstract

Section: Introductionmentioning

confidence: 99%

Completion of the first ITER toroidal field coil in Japan

et al. 2021

Self Cite

View full text Add to dashboard Cite

show abstract

CAD model update on as-built geometries with morphing technique: ITER winding pack

Pompa

Porziani

Groth

et al. 2021

IOP Conf. Ser.: Mater. Sci. Eng.

View full text Add to dashboard Cite

CAD and CAE model update on manufactured shapes is a key process in the industry 4.0, where design, manufacturing and maintenance are integrated elements. Digital Twin models, together with Reverse Engineering (RE) techniques, allow tracking components performances during production and verifying the compliance with design requirements during the component lifetime. The need to have RE processes with a small impact on the production is driving the development of these models towards numerical techniques with fast computing performances. In this context, morphing techniques, largely deployed in the field of CAE models update, represent a valuable alternative to conventional RE techniques, because of their reduced computational time and capability to preserve the initial topology of the model. In the work presented in this paper, Radial Basis Function morphing technique has been used for the update of ITER Winding Pack CAD model on scan data acquired from the manufactured component.

show abstract