Conceptual design of negative ion based beam source for CFETR neutral beam injector

doi:10.16568/j.0254-6086.202104008

Abstract

Abstract: According to requirements of a neutral beam injector (NBI) system on China Fusion Engineering
Test Reactor (CFETR), the beam source for CFETR NBI system was designed. The overall concept design and
parameters were proposed. The designs of the large area plasma generator and the negative accelerator were
accomplished.

Key words: CFETR, Neutral beam injection, Negative ion based beam source, Accelerator

摘要： 根据 CFETR 对 NBI 系统参数的需求，开展了 CFETR NBI 束源的概念设计，给出了束源的设计参数指标和总体设计方案。完成了大面积等离子体发生器和负离子加速器两部分的设计工作。

关键词: CFETR, 中性束注入, 负离子束源, 加速器

CLC Number:

TL62+9.1

XIE Ya-hong, , HU Chun-dong, , WEI Jiang-long, GU Yu-ming, WANG Qi, , LIANG Li-zhen, , JIANG Cai-chao, XU Yong-jian, , XIE Yuan-lai, , ZHAO Yuan-zhe . Conceptual design of negative ion based beam source for CFETR neutral beam injector[J]. Nuclear Fusion and Plasma Physics, 2021, 41(4): 628-634.

谢亚红, 胡纯栋, 韦江龙, 顾玉明, 王圻, 梁立振, 蒋才超, 许永建, 谢远来, 赵远哲 . CFETR 中性束注入系统负离子束源概念设计 [J]. 核聚变与等离子体物理, 2021, 41(4): 628-634.

References

[1] Wan Y, Li J, Liu Y, et al. Overview of the present progress and activities on the CFETR [J]. Nucl. Fusion,2017, 57(10): 102009.
[2] de Esch H P L, Kashiwagi M, Taniguchi M, et al. Physics design of the HNB accelerator for ITER [J]. Nucl. Fusion, 2015, 55(9): 096001.
[3] Singh M J, Boilson D, Hemsworth R S, et al. Heating neutral beams for ITER: Present Status [J]. IEEE T Plasma Sci., 2016, 44(9): 1496−1505.
[4] Sonato P, Agostinetti P, Bolzonella T, et al., Conceptual design of the DEMO neutral beam injectors: main developments and R&D achievements [J]. Nucl. Fusion, 2017, 57(5): 056026.
[5] Sonato P, Agostinetti P, Fantz U, et al. Conceptual design of the beam source for the DEMO neutral beam injectors[J]. New J. Phys., 2016, 18(12): 125002.
[6] Hanada M, Kojima A, Tobari H, et al. Development of the negative ion beams relevant to ITER and JT-60SA at Japan atomic energy agency [J]. Rev. Sci. Instrum., 2016, 87(2): 02B322.
[7] Agostinetti P, Aprile D, Antoni V, et al. Detailed design optimization of the MITICA negative ion accelerator in view of the ITER NBI [J]. Nucl. Fusion, 2016, 56(1):016015.
[8] Marcuzzi D, Agostinetti P, Dalla Palma M, et al. Design of the RF ion source for the ITER NBI [J]. Fusion Eng.Des., 2007, 82(5−14): 798−805.
[9] Antoni V, Agostinetti P, Aprile D, et al. Physics design of the injector source for ITER neutral beam injector(invited) [J]. Rev. Sci. Instrum., 2014, 85(2): 02B128.
[10] Fantz U, Hopf C, Wunderlich D, et al. Towards powerful negative ion beams at the test facility ELISE for the ITER and DEMO NBI systems [J]. Nucl. Fusion, 2017,57(11): 116007.
[11] Wunderlich D, Riedl R, Bonomo F, et al. Achievement of ITER-relevant accelerated negative hydrogen ion current densities over 1000s at the ELISE test facility [J]. Nucl.Fusion, 2019, 59(8): 084001.
[12] Heinemann B, Wunderlich D, Kraus W, et al.Achievements of the ELISE test facility in view of the ITER NBI [J]. Fusion Eng. Des., 2019, 146: 455−459.
[13] Toigo V, Piovan R, Dal Bello S, et al. The PRIMA test facility: SPIDER and MITICA test-beds for ITER neutral beam injectors [J]. New J. Phys., 2017, 19(8): 085004.
[14] Serianni G, Toigo V, Bigi M, et al. SPIDER in the roadmap of the ITER neutral beams [J]. Fusion Eng. Des., 2019, 146: 2539−2546.
[15] Toigo V, Dal Bello S, Gaio E, et al. The ITER neutral beam test facility towards SPIDER operation [J]. Nucl.Fusion, 2017, 57(8): 086027.
[16] Marcuzzi D, Agostinetti P, Dalla Palma M, et al. Final design of the beam source for the MITICA injector [J]. Rev. Sci. Instrum., 2016, 87 (2): 02B309.
[17] Fellin F, Boldrin M, Zaccaria P, et al. Plant integration of MITICA and SPIDER experiments with auxiliary plants and buildings on PRIMA site [J]. Fusion Eng. Des., 2015,96−97: 257−260.
[18] Boeuf J P, Chaudhury B, Garrigues L. Physics of a magnetic filter for negative ion sources. I. Collisional transport across the filter in an ideal, 1D filter [J]. Phys. Plasmas, 2012, 19(11): 113509.
[19] Boeuf J P, Claustre J, Chaudhury B, et al. Physics of a magnetic filter for negative ion sources. II. E × B drift through the filter in a real geometry [J]. Phys. Plasmas,2012, 19(11): 113510.
[20] FR Schle M, Fantz U, Franzen P, et al. Magnetic filter field for ELISE––Concepts and design [J]. Fusion Eng.Des., 2013, 88(6−8): 1015−1019.
[21] Schiesko L, Cartry G, Hopf C, et al. Cs-doped Mo as surface converter for H−/D− generation in negative ion sources: first steps and proof of principle [C].International Symposium on Negative Ions, 2015,1655(1): 020003.
[22] Wada M, Doi K, Kenmotsu T. Impact due to impurity contamination upon Cs consumption of a negative hydrogen ion source [C]. Fifth International Symposium on Negative Ions, Beams and Sources (NIBS 2016), 2017, 1869(1): 020003.
[23] Singh M J, de Esch H P L, Hemsworth R, et al. Mo layer thickness requirement on the ion source back plate for the HNB and DNB ion sources in ITER [C]. Fourth International Symposium on Negative Ions, Beams and Sources (NIBS 2014), 2015, 1655: 040007.
[24] Kojima A, Tobari H, Umeda N, et al. Demonstration of 1 MV insulation for the vacuum insulated beam source in the ITER neutral beam system [J]. Nucl. Fusion, 2019, 59(8): 086042.
[25] Kojima A, Hanada M, Tobari H, et al. Development of design technique for vacuum insulation in large size multi-aperture multi-grid accelerator for nuclear fusion [J]. Rev. Sci. Instrum., 2016, 87(2): 02B304.

Conceptual design of negative ion based beam source for CFETR neutral beam injector

CFETR 中性束注入系统负离子束源概念设计

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