Status and Prospects of GOL-3 Multiple-Mirror Trap

Burdakov, A. V.; Аржанников, А. В.; Astrelin, V. T.; Batkin, V. I.; Burmasov, V. S.; Derevyankin, G. E.; Ivanenko, V.G.; Иванов, И. А.; Ivantsivskiy, M.; Kandaurov, I. V.; Konyukhov, V. V.; Kuklin, K. N.; Kuznetsov, S. А.; Makarov, A. N.; Макаров, М. А.; Mekler, K. I.; Polosatkin, S. V.; Попов, С. А.; Поступаев, В. В.; Rovenskikh, A. F.; Shoshin, A. A.; Sinitsky, S. L.; Степанов, В. Д.; Sulyaev, Yu. S.; Trunev, Yu.A.; Vyacheslavov, L. N.

doi:10.13182/fst09-a6984

Cited by 40 publications

(10 citation statements)

References 15 publications

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“…Rr, 52.35.Qz Beam-plasma interaction plays an important role in various physical phenomena such as transport of relativistic electrons in the fast ignition scheme of inertial fusion, gamma-bursts, solar type II and III radio bursts, and collisionless shock waves in the space plasma (see review [1] and references therein). Also, beam-plasma collective interaction determines the efficiency of turbulent plasma heating [2,3] and electromagnetic emission [4][5][6][7] in fusion-oriented mirror traps.One of the most popular and effective tools for theoretical studies of the beam-plasma interaction is numerical simulations by the Particle-In-Cell (PIC) method. At present there is a great number of one-, two-, and three-dimensional PIC codes developed.…”

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Note on quantitatively correct simulations of the kinetic beam-plasma instability

et al. 2015

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A large number of model particles is shown necessary for quantitatively correct simulations of the kinetic beam-plasma instability with the clouds-in-cells method. The required number of particles scales inversely with the expected growth rate, as in the kinetic regime only a narrow interval of beam velocities is resonant with the wave.PACS numbers: 52.65. Rr, 52.35.Qz Beam-plasma interaction plays an important role in various physical phenomena such as transport of relativistic electrons in the fast ignition scheme of inertial fusion, gamma-bursts, solar type II and III radio bursts, and collisionless shock waves in the space plasma (see review [1] and references therein). Also, beam-plasma collective interaction determines the efficiency of turbulent plasma heating [2,3] and electromagnetic emission [4][5][6][7] in fusion-oriented mirror traps.One of the most popular and effective tools for theoretical studies of the beam-plasma interaction is numerical simulations by the Particle-In-Cell (PIC) method. At present there is a great number of one-, two-, and three-dimensional PIC codes developed. These codes are used to reproduce fine details of the complex chain of intermediary processes that lead to plasma heating or electromagnetic radiation. The beam densities of interest n b are usually much smaller than the plasma density n p . For the fast ignition problem, the electron beams are relatively dense (n b /n p ∼ 0.1) [8][9][10]. Weakly relativistic beams with n b /n p ∼ 10 −4 ÷ 10 −3 are interesting for mirror traps [11][12][13]. Non-relativistic beams of very low density, n b /n p ∼ 10 −8 ÷ 10 −5 are of interest for radiation generation in solar radio bursts [14], though simulated with higher beam densities because of code limitations [14][15][16][17]. The numerical study usually begins from the linear stage of the beam-plasma instability, so the quantitatively correct simulation of this stage at low beam densities is important for the whole process.There are many realizations of the PIC method that differ in the algorithm of charge and current evaluation from positions of model particles. This algorithm is usually referred to as the shape function. One of the simplest shape functions is the triangular one also called CloudsIn-Cells (CIC) or linear interpolation [18]. This shape function is still widely used [14,[19][20][21][22][23][24][25] in spite of availability of more accurate algorithms [26,27].In this paper we show that an uncommonly large number of model particles is necessary for quantitatively correct simulations of the kinetic beam-plasma two-stream instability with the CIC method. The smaller the growth rate the more particles are needed. If the number of particles is insufficient, then the results are only qualitatively correct, that is the beam-plasma system behaves realistically, but the growth rate is underestimated. To prove this statement, we simulate various regimes of the twostream instability with a rather typical three-dimensional CIC code and compare the simulated growth rates with a...

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confidence: 99%

“…Also, beam-plasma collective interaction determines the efficiency of turbulent plasma heating [2,3] and electromagnetic emission [4][5][6][7] in fusion-oriented mirror traps.…”

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confidence: 99%

Note on quantitatively correct simulations of the kinetic beam-plasma instability

et al. 2015

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“…The multiple-mirror approach to fusion was experimentally studied in Novosibirsk in the experiments with subfusion plasma in the GOL-3 facility [3]. The plasma was heated by a high-power electron beam; it was highly turbulent therefore.…”

Section: Introductionmentioning

confidence: 99%

Status of GOL-NB project

Поступаев¹,

Batkin²,

Beklemishev³

et al. 2016

AIP Conference Proceedings

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“…Particularly, this is true for the experiment with the gas-dynamic trap (GDT) [1][2][3] and GOL-3 multi-mirror devices [4], at BINP, Novosibirsk. At GDT, successful application of several methods for stabilization of the most dangerous flute instability has been demonstrated in fully axisymmetric open traps.…”

Section: Introductionmentioning

confidence: 99%

“…If the MHD modes are stabilized, radial transport in GDT is imperceptible as expected in axisymmetric configurations. Substantial reduction of axial plasma losses was demonstrated at GOL-3 device with the multi-mirror end sections in a wider range of plasma densities than predicted theoretically [4]. Active control of plasma rotation is now routine at GDT, a critical development since it was found that even if the pressure-weighted curvature is favorable, plasma becomes unstable during transient fast accumulation of the energetic ions without such control even at low beta [8].…”

Section: Introductionmentioning

confidence: 99%

The BINP road map for development of fusion reactor based on a linear machine

Ivanov

Burdakov

Bagryansky

et al. 2016

AIP Conference Proceedings

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Abstract. In the paper, we present the Budker Institute long term plans for laying the plasma physics database for an advanced fuel fusion reactor based on the axisymmetric linear magnetic trap. The general approach to development of the reactor utilizes the idea that confinement of a plasma with the highest pressure can be obtained in a linear device with multi-mirror end sections attached at both ends to suppress the axial plasma losses. To develop the required database a stepwise approach is applied, which suggests construction of the several experimental devices with progressively increasing plasma parameters, which incorporate the different constituents of the approach. Ultimately, after successfully proving the ideas in the experiments, a prototype of the reactor will be constructed in the Budker Institute.

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Status and Prospects of GOL-3 Multiple-Mirror Trap

Cited by 40 publications

References 15 publications

Note on quantitatively correct simulations of the kinetic beam-plasma instability

Note on quantitatively correct simulations of the kinetic beam-plasma instability

Status of GOL-NB project

The BINP road map for development of fusion reactor based on a linear machine

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