Overview of engineering design,manufacturing and assembly of JT-60SA machine |
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| Affiliation: | 1. JT-60SA EU Home Team, Fusion for Energy, Boltzmannstrasse 2, Garching 85748, Germany;2. JT-60SA JA Home Team, Japan Atomic Energy Agency, 801-1 Mukoyama, Naka, Ibaraki 311-0193, Japan;3. JT-60SA JA Project Team, Japan Atomic Energy Agency, 801-1 Mukoyama, Naka, Ibaraki 311-0193, Japan;1. Dipartimento Energia, Politecnico di Torino, I-10129 Torino, Italy;2. EURATOM/CCFE Fusion Association, Culham Science Centre, Abingdon OX14 3DB, UK;3. Association EURATOM-TEKES, University of Helsinki, PO Box 64, 00560 Helsinki, Finland;4. Association EURATOM-MESCS, Reactor Physics Division, Jo?ef Stefan Institute, Ljubljana, Slovenia;5. Associazione EURATOM-ENEA sulla Fusione, Via Enrico Fermi 45, 00044 Frascati, Rome, Italy;1. EURATOM/CCFE Fusion Association, Culham Science Centre, Abingdon, Oxon OX14 3DB, UK;2. F4E Fusion for Energy, Josep Pla 2, Torres Diagonal Litoral B3, 08019 Barcelona, Spain;3. ITER Organisation, Route de Vinon sur Verdon, 13115 Saint Paul Lez Durance, France;1. Dipartimento Energia, Politecnico di Torino, 10129 Torino, Italy;2. Fusion for Energy, 08019 Barcelona, Spain;1. Institute of Plasma Physics, Chinese Academy of Sciences, Hefei, China;2. University of Science and Technology of China, Hefei, China;1. Dipartimento Energia, Politecnico di Torino, 10129 Torino, Italy;2. Fusion for Energy, 08019 Barcelona, Spain;1. Dipartimento Energia, Politecnico di Torino, 10129 Torino, Italy;2. Dipartimento di Ingegneria Meccanica e Aerospaziale, Politecnico di Torino, 10129 Torino, Italy;3. F4E, Barcelona, Spain;4. ITER IO, Cadarache, France |
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| Abstract: | The JT-60SA experiment is one of the three projects to be undertaken in Japan as part of the Broader Approach Agreement, conducted jointly by Europe and Japan, and complementing the construction of ITER in Europe. The JT-60SA device is a fully superconducting tokamak capable of confining break-even equivalent deuterium plasmas with equilibria covering high plasma shaping with a low aspect ratio at a maximum plasma current of Ip = 5.5 MA. This makes JT-60SA capable to support and complement ITER in all the major areas of fusion plasma development necessary to decide DEMO reactor construction. After a complex start-up phase due to the necessity to carry out a re-baselining effort with the purpose to fit in the original budget while aiming to retain the machine mission, performance, and experimental flexibility, in 2009 detailed design could start. With the majority of time-critical industrial contracts in place, in 2012, it was possible to establish a credible time plan, and now, the project is progressing on schedule towards the first plasma in March 2019. After careful and focused R&D and qualification tests, the procurement of the major components and plant is now well advanced in manufacturing design and/or fabrication. In the meantime the disassembly of the JT-60U machine has been completed and the engineering of the JT-60SA assembly process has been developed. The actual assembly of JT-60SA started in January 2013 with the installation of the cryostat base. The paper gives an overview of the present status of the engineering design, manufacturing and assembly of the JT-60SA machine. |
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| Keywords: | JT-60SA Tokamak Superconducting magnets Broader Approach |
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