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Overview of JET results for optimising ITER operation
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JET Contributors (Including: Chapman, Benjamin, Dendy, R. O., McMillan, Ben F. and Michling, R.). (2022) Overview of JET results for optimising ITER operation. Nuclear Fusion, 62 (4). 042026. doi:10.1088/1741-4326/ac47b4 ISSN 0029-5515.
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Official URL: https://doi.org/10.1088/1741-4326/ac47b4
Abstract
The JET 2019–2020 scientific and technological programme exploited the results of years of concerted scientific and engineering work, including the ITER-like wall (ILW: Be wall and W divertor) installed in 2010, improved diagnostic capabilities now fully available, a major neutral beam injection upgrade providing record power in 2019–2020, and tested the technical and procedural preparation for safe operation with tritium. Research along three complementary axes yielded a wealth of new results. Firstly, the JET plasma programme delivered scenarios suitable for high fusion power and alpha particle (α) physics in the coming D–T campaign (DTE2), with record sustained neutron rates, as well as plasmas for clarifying the impact of isotope mass on plasma core, edge and plasma-wall interactions, and for ITER pre-fusion power operation. The efficacy of the newly installed shattered pellet injector for mitigating disruption forces and runaway electrons was demonstrated. Secondly, research on the consequences of long-term exposure to JET-ILW plasma was completed, with emphasis on wall damage and fuel retention, and with analyses of wall materials and dust particles that will help validate assumptions and codes for design and operation of ITER and DEMO. Thirdly, the nuclear technology programme aiming to deliver maximum technological return from operations in D, T and D–T benefited from the highest D–D neutron yield in years, securing results for validating radiation transport and activation codes, and nuclear data for ITER.
| Item Type: | Journal Article | ||||||
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| Subjects: | Q Science > QC Physics | ||||||
| Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||||
| Library of Congress Subject Headings (LCSH): | Jets (Nuclear physics), Nuclear fusion, Plasma (Ionized gases), Plasma-wall interactions | ||||||
| Journal or Publication Title: | Nuclear Fusion | ||||||
| Publisher: | Institute of Physics Publishing Ltd. | ||||||
| ISSN: | 0029-5515 | ||||||
| Official Date: | 7 June 2022 | ||||||
| Dates: |
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| Volume: | 62 | ||||||
| Number: | 4 | ||||||
| Article Number: | 042026 | ||||||
| DOI: | 10.1088/1741-4326/ac47b4 | ||||||
| Status: | Peer Reviewed | ||||||
| Publication Status: | Published | ||||||
| Access rights to Published version: | Open Access (Creative Commons) | ||||||
| Date of first compliant deposit: | 21 September 2022 | ||||||
| Date of first compliant Open Access: | 21 September 2022 | ||||||
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