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Possible Scheme of Atomic Beam Injector for Plasma Heating and Current Drive at the TRT Tokamak

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Abstract―

A possible scheme is presented for the injection of high-power atomic beams within the project of the tokamak with reactor technologies (TRT), which is being developed. In each of the two TRT injection ports, it is proposed to install the two-beam injection complex consisting of two high-energy (500 keV) injectors arranged vertically one above the other. A prototype of such an injector is being developed at the Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences (BINP). For each of the BINP-developed high-voltage injectors, it is proposed to separately form the beam of negative hydrogen ions, accelerate it using the separate single-aperture accelerating tube, and neutralize it in the efficient plasma neutralizer. The power of each two-beam complex will initially be 7 and ~5.7 MW for hydrogen and deuterium atoms, respectively. In the future, it is planned to increase the total injection power up to 20 MW by increasing the energy and current of the beams used in the injection complexes. For the TRT facility, a possible scheme is discussed for the injectors of fast deuterium atomic beams with energies of up to 200 keV based on positive ions.

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Authors and Affiliations

  1. Budker Institute of Nuclear Physics of the Siberian Branch of the Russian Academy of Sciences, 630090, Novosibirsk, Russia

    Yu. I. Belchenko, A. V. Burdakov, V. I. Davydenko, A. I. Gorbovskii, I. S. Emelev, A. A. Ivanov, A. L. Sanin & O. Z. Sotnikov

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  1. Yu. I. Belchenko
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  2. A. V. Burdakov
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  3. V. I. Davydenko
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  4. A. I. Gorbovskii
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  5. I. S. Emelev
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  6. A. A. Ivanov
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  7. A. L. Sanin
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  8. O. Z. Sotnikov
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Correspondence to O. Z. Sotnikov.

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Translated by I. Grishina

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Belchenko, Y.I., Burdakov, A.V., Davydenko, V.I. et al. Possible Scheme of Atomic Beam Injector for Plasma Heating and Current Drive at the TRT Tokamak. Plasma Phys. Rep. 47, 1151–1157 (2021). https://doi.org/10.1134/S1063780X21110131

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  • DOI: https://doi.org/10.1134/S1063780X21110131

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