Arc Discharge Performance Analysis for a High Power Bucket Ion Source

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ZOU Gui-Qing, ZHONG Guang-Wu, LEI Guang-Jiu, JIANG Shao-Feng, LU Da-Lun, CAO Jian-Yong and LIU He. Arc Discharge Performance Analysis for a High Power Bucket Ion Source[J]. Chinese Physics C, 2008, 32(S1): 283-285.
ZOU Gui-Qing, ZHONG Guang-Wu, LEI Guang-Jiu, JIANG Shao-Feng, LU Da-Lun, CAO Jian-Yong and LIU He. Arc Discharge Performance Analysis for a High Power Bucket Ion Source[J]. Chinese Physics C, 2008, 32(S1): 283-285. shu
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Received: 2008-01-11
Revised: 1900-01-01
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Arc Discharge Performance Analysis for a High Power Bucket Ion Source

    Corresponding author: ZOU Gui-Qing,

Abstract: To match the large power long pulse neutral beam injectors for HL-2A Tokamak, a circular magnetic multipole line-cusp ion source (namely a bucket ion source) has been designed. The arc chamber of this ion source is a water-cooled, stainless-steel cylinder 26cm in diameter, 4mm thick, and 24cm long. So far, many arc discharge experiments on this ion source have demonstrated that the plasma density has been 0.24A/cm2, for 3 seconds duration, within 5%—7% plasma uniformity, and 3 seconds maximum pulse. Arc discharge characteristics, such as the gas pressure dependence and filaments arrangements dependence have been studied experimentally and theoretically in this paper.

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