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Nonstationary model of an axisymmetric mirror trap with nonequilibrium plasma

  • Magnetic Traps
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Abstract

The DOL nonstationary model intended to describe plasma processes in axisymmetric magnetic mirror traps is considered. The model uses averaging over the bounce period in order to take into account the dependence of plasma parameters on the coordinate along the facility axis. Examples of calculations of trap parameters by means of the DOL code based on this model are presented. Among the features of the DOL model, one can single out two points: first, the capability of calculating the terms of the collision integral with the use of a non-Maxwellian scattering function while evaluating the distribution function of fast ions and, second, concerning the background plasma, the capability of calculating the longitudinal particle and energy fluxes in confinement modes with the particle mean free path being on the order of the trap length. The influence of the scattering function approximation used to calculate the collision integral on the solution to the kinetic equation is analyzed. The dependences of plasma parameters on the power of heating injectors and the length of the fast-ion turning zone are presented as calculation examples. The longitudinal profile of the fusion reaction rate in the case of a trap with a long fast-ion turning zone is shown to depend strongly on the input parameters of the model.

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Authors and Affiliations

  1. Budker Institute of Nuclear Physics, Siberian Branch, Russian Academy of Sciences, pr. Akademika Lavrent’eva 11, Novosibirsk, 630090, Russia

    D. V. Yurov, V. V. Prikhodko & Yu. A. Tsidulko

  2. Nuclear Safety Institute, Russian Academy of Sciences, Bol’shaya Tul’skaya ul. 52, Moscow, 115191, Russia

    D. V. Yurov

  3. Novosibirsk State University, ul. Pirogova 2, Novosibirsk, 630090, Russia

    V. V. Prikhodko

Authors
  1. D. V. Yurov
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  2. V. V. Prikhodko
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  3. Yu. A. Tsidulko
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Correspondence to D. V. Yurov.

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Original Russian Text © D.V. Yurov, V.V. Prikhodko, Yu.A. Tsidulko, 2016, published in Fizika Plazmy, 2016, Vol. 42, No. 3, pp. 217–233.

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Yurov, D.V., Prikhodko, V.V. & Tsidulko, Y.A. Nonstationary model of an axisymmetric mirror trap with nonequilibrium plasma. Plasma Phys. Rep. 42, 210–225 (2016). https://doi.org/10.1134/S1063780X16030090

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  • DOI: https://doi.org/10.1134/S1063780X16030090

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