Conceptual Design Description of a CT Fueler for JT-60U

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Abstract

This paper is a conceptual design description of a Compact Toroid (CT) fueling system for JT-60U. In the proposed system, the CT fueler injects 0.4 mg toroids of Deuterium fuel at up to 10 Hz into a 2 T, JT-60U discharge at a speed of 300 km/s. For discharges with a density of 3×10^<19>m<-3>, this translates to about 6% fuel addition per pulse and a fueling rate of 2.3 Pa・m^3/s in the form of deep fueling. The fueling per pulse (as percent fueling) is about twenty times greater than that needed for a reactor of the ITER class as the projected fuelling rate for an ITER class reactor is 0.3% fuel addition per pulse (at 20 Hz operation). The total absolute fueling rate is about 10% of that needed for a similar reactor, as the projected CT mass fuelling rate for an ITER class reactor is about 44 mg/s. The CT length is about 20-30% of the JT-60U minor radius. The 10 Hz power system will be composed of 100 accelerator modules and 80 formation bank modules each rated at 1.3 kJ. These will be powered by next generation capacitors and recent design spark gap switches. The CT injector will require magnetic shielding. Design description of a novel passive SuperConductor (SC) shield to meet this requirement is provided.

Journal

  • Journal of plasma and fusion research

    Journal of plasma and fusion research 76(10), 1079-1087, 2000-10-25

    プラズマ・核融合学会

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Codes

  • NII Article ID (NAID)
    110003825467
  • NII NACSIS-CAT ID (NCID)
    AN10401672
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    09187928
  • NDL Article ID
    5531174
  • NDL Source Classification
    ZM35(科学技術--物理学)
  • NDL Call No.
    Z15-8
  • Data Source
    CJP  NDL  NII-ELS  NDL-Digital 
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