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Progress in development and design of the neutral beam injector for JT-60SA

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Title: Progress in development and design of the neutral beam injector for JT-60SA
Authors: Hanada, M.1 hanada.masaysa@jaea.go.jp, Kojima, A.1, Tanaka, Y.1, Inoue, T.1, Watanabe, K.1, Taniguchi, M.1, Kashiwagi, M.1, Tobari, H.1, Umeda, N.1, Akino, N.1, Kazawa, M.1, Oasa, K.1, Komata, M.1, Usui, K.1, Mogaki, K.1, Sasaki, S.1, Kikuchi, K.1, Nemoto, S.1, Oshima, K.1, Endo, Y.1
Source: Fusion Engineering & Design. Oct2011, Vol. 86 Issue 6-8, p835-838. 4p.
Subjects: Experimental design, Neutral beams, Injectors, Magnetic fields, Magnetic shielding, Ion bombardment, Particle acceleration
Abstract: Abstract: Neutral beam (NB) injectors for JT-60 Super Advanced (JT-60SA) have been designed and developed. Twelve positive-ion-based and one negative-ion-based NB injectors are allocated to inject 30MW D0 beams in total for 100s. Each of the positive-ion-based NB injector is designed to inject 1.7MW for 100s at 85keV. A part of the power supplies and magnetic shield utilized on JT-60U are upgraded and reused on JT-60SA. To realize the negative-ion-based NB injector for JT-60SA where the injection of 500keV, 10MW D0 beams for 100s is required, R&Ds of the negative ion source have been carried out. High-energy negative ion beams of 490–500keV have been successfully produced at a beam current of 1–2.8A through 20% of the total ion extraction area, by improving voltage holding capability of the ion source. This is the first demonstration of a high-current negative ion acceleration of >1A to 500keV. The design of the power supplies and the beamline is also in progress. The procurement of the acceleration power supply starts in 2010. [Copyright &y& Elsevier]
Copyright of Fusion Engineering & Design is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
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DbLabel: Engineering Source
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PubType: Academic Journal
PubTypeId: academicJournal
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  Data: Progress in development and design of the neutral beam injector for JT-60SA
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  Data: <searchLink fieldCode="AR" term="%22Hanada%2C+M%2E%22">Hanada, M.</searchLink><relatesTo>1</relatesTo><i> hanada.masaysa@jaea.go.jp</i><br /><searchLink fieldCode="AR" term="%22Kojima%2C+A%2E%22">Kojima, A.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Tanaka%2C+Y%2E%22">Tanaka, Y.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Inoue%2C+T%2E%22">Inoue, T.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Watanabe%2C+K%2E%22">Watanabe, K.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Taniguchi%2C+M%2E%22">Taniguchi, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kashiwagi%2C+M%2E%22">Kashiwagi, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Tobari%2C+H%2E%22">Tobari, H.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Umeda%2C+N%2E%22">Umeda, N.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Akino%2C+N%2E%22">Akino, N.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kazawa%2C+M%2E%22">Kazawa, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Oasa%2C+K%2E%22">Oasa, K.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Komata%2C+M%2E%22">Komata, M.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Usui%2C+K%2E%22">Usui, K.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Mogaki%2C+K%2E%22">Mogaki, K.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Sasaki%2C+S%2E%22">Sasaki, S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Kikuchi%2C+K%2E%22">Kikuchi, K.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Nemoto%2C+S%2E%22">Nemoto, S.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Oshima%2C+K%2E%22">Oshima, K.</searchLink><relatesTo>1</relatesTo><br /><searchLink fieldCode="AR" term="%22Endo%2C+Y%2E%22">Endo, Y.</searchLink><relatesTo>1</relatesTo>
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  Data: <searchLink fieldCode="JN" term="%22Fusion+Engineering+%26+Design%22">Fusion Engineering & Design</searchLink>. Oct2011, Vol. 86 Issue 6-8, p835-838. 4p.
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  Data: <searchLink fieldCode="DE" term="%22Experimental+design%22">Experimental design</searchLink><br /><searchLink fieldCode="DE" term="%22Neutral+beams%22">Neutral beams</searchLink><br /><searchLink fieldCode="DE" term="%22Injectors%22">Injectors</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+fields%22">Magnetic fields</searchLink><br /><searchLink fieldCode="DE" term="%22Magnetic+shielding%22">Magnetic shielding</searchLink><br /><searchLink fieldCode="DE" term="%22Ion+bombardment%22">Ion bombardment</searchLink><br /><searchLink fieldCode="DE" term="%22Particle+acceleration%22">Particle acceleration</searchLink>
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  Data: Abstract: Neutral beam (NB) injectors for JT-60 Super Advanced (JT-60SA) have been designed and developed. Twelve positive-ion-based and one negative-ion-based NB injectors are allocated to inject 30MW D0 beams in total for 100s. Each of the positive-ion-based NB injector is designed to inject 1.7MW for 100s at 85keV. A part of the power supplies and magnetic shield utilized on JT-60U are upgraded and reused on JT-60SA. To realize the negative-ion-based NB injector for JT-60SA where the injection of 500keV, 10MW D0 beams for 100s is required, R&Ds of the negative ion source have been carried out. High-energy negative ion beams of 490–500keV have been successfully produced at a beam current of 1–2.8A through 20% of the total ion extraction area, by improving voltage holding capability of the ion source. This is the first demonstration of a high-current negative ion acceleration of >1A to 500keV. The design of the power supplies and the beamline is also in progress. The procurement of the acceleration power supply starts in 2010. [Copyright &y& Elsevier]
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  Data: <i>Copyright of Fusion Engineering & Design is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=66732268
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