Search Results - "Varfolomeev, V. I."
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Calibration of Neutron Counters at the Globus-M2 Tokamak
Published in Technical physics (01-11-2023)“…The paper discusses the results of the calibration of two corona neutron counters used to measure the total neutron yield from the plasma of the Globus-M2…”
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2
Analysis of Toroidal Alfven Eigenmode-Induced Fast Ion Losses in Globus-M2 Spherical Tokamak
Published in Technical physics (01-11-2023)“…With an increase of magnetic field up to 0.8 T and plasma current to 400 kA, fast ion losses rate in the discharges with toroidal Alfven eigenmodes decreased…”
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3
Temperature Control System for the Electromagnetic System of the Globus-M2 Tokamak
Published in Technical physics letters (01-12-2023)“…The temperature control system used for monitoring the thermal regime of operation of the electromagnetic system of the Globus-M2 tokamak is described. The…”
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4
Neutral Injection Complex for Globus-M2 Spherical Tokamak
Published in Plasma physics reports (01-12-2023)“…The injection complex that heats plasma of Globus-M2 spherical tokamak consists of two injectors which supply high-energy beams of hydrogen (deuterium) atoms…”
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Heat Load onto the Globus-M2 Tokamak Wall due to Fast Ion Loss during Development of Toroidal Alfvén Eigenmodes
Published in Plasma physics reports (01-12-2023)“…The results of experiments are described, which were performed at the Globus-M2 tokamak and aimed at studying the fast ion loss at the outer tokamak wall due…”
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6
Effect of Locked MHD Modes on the Efficiency of Plasma Heating by the Neutral Beam Injection Method at the Globus-M2 Spherical Tokamak
Published in Plasma physics reports (01-07-2024)“…A set of magnetic coils used to correct the error fields at the Globus-M2 spherical tokamak, which appear due to the imperfections of the production and…”
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7
Diagnostic Complex of the Globus-M2 Spherical Tokamak
Published in Plasma physics reports (01-12-2023)“…The diagnostic complex of the Globus-M2 spherical tokamak ( R = 36 cm, a = 24 cm), the only operating tokamak in Russia with a divertor plasma configuration,…”
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8
Classification of Edge Instabilities at Globus-M2 Tokamak
Published in Plasma physics reports (01-04-2023)“…Among the peripheral instabilities observed at the Globus-M2 tokamak, two types of edge localized modes (ELMs) are brought into focus: ELMs synchronized and…”
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9
Hot Ion Mode in the Globus-M2 Spherical Tokamak
Published in Plasma physics reports (01-04-2023)“…NBI-assisted plasma heating with one or two injectors of fast neutral atoms was studied at the Globus-M2 spherical tokamak at the toroidal magnetic fields of…”
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10
Development of Next-Generation Spherical Tokamak Concept. The Globus-3 Tokamak
Published in Plasma physics reports (01-12-2023)“…The concept of next-generation spherical tokamak is being considered: the Globus-3 project, which, in its characteristics, is compatible with the…”
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11
Synthetic Diagnostic of Spectra of Charge-Exchange Atoms for Analysis of Influence of the MHD Instability on Fast-Particle Confinement in Spherical Tokamaks Globus-M/M2
Published in Plasma physics reports (01-12-2023)“…Absorbed power of the neutral-injection beam in spherical tokamaks Globus-M/M2 is estimated numerically. Deceleration of fast particles is simulated by means…”
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12
Free-Boundary Plasma Equilibrium Computation in Spherical Globus-M2 Tokamak by Means of the pyGSS Code
Published in Plasma physics reports (01-12-2023)“…The pyGSS code constructed for computation of free-boundary plasma equilibrium in spherical Globus-M2 tokamak is described. Currents in the coils of the…”
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13
Application of Machine Learning to Determine Electron Temperature in Globus-M2 Tokamak Using the Soft X-Ray Emission Data and the Thomson Scattering Diagnostics Data
Published in Physics of atomic nuclei (01-12-2022)“…An important part of high-temperature plasma study is the determination of the electron temperature dynamics in the tokamak plasma. At spherical tokamaks, one…”
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14
Distinctive Features of Measuring Te and ne Spatial Distributions in the Globus-M2 Spherical Tokamak Using Method of Thomson Scattering of Laser Radiation
Published in Plasma physics reports (01-03-2024)“…The results of measuring the electron temperature and density spatial distributions in plasma of the Globus-M2 tokamak using the Thomson scattering diagnostics…”
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15
Spectroscopic Diagnostic of the Peripheral Plasma in the Globus-M2 Tokamak with the Injection of Neutral Helium
Published in JETP letters (01-09-2022)“…The diagnostic of the peripheral plasma parameters in terms of the relation of lines of neutral helium is included in the diagnostic complex of the tokamak…”
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16
First Globus-M2 Results
Published in Plasma physics reports (01-07-2020)“…Globus-M2—a new 1-Tesla spherical tokamak—was recently launched. The main features and research directions of this machine in scope of fusion–fission reactor…”
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17
Investigations of Alfvén Modes at the Globus-M2 Tokamak Using a V-Band Multifrequency Doppler Reflectometer
Published in Technical physics letters (01-02-2021)“…We present new information on the development of Alfvén modes on the Globus-M2 spherical tokamak. Data have been obtained using a V-band Doppler reflectometer…”
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18
The Detection of High Frequency Alfven Eigenmodes in Ohmic Discharges on Spherical Tokamak Globus-M2
Published in Technical physics letters (01-08-2021)“…In Globus-M2 ohmic discharges with low density, by means of Mirnov coils array, magnetic field oscillations with frequencies in 1 MHz range were detected…”
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19
Measurement of Radiation Losses and Effective Ion Charge on the Globus-M2 Tokamak
Published in Technical physics letters (2021)“…In this Letter, results of measurements of radiation losses P rad and effective ion charge Z eff in the conditions of magnetic field up to 0.7 T and plasma…”
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20
First Observations of Alfvén Cascades on the Globus-M2 Tokamak and Their Application for Minimal Safety Factor Value Analysis
Published in Technical physics letters (01-12-2020)“…On the spherical tokamak Globus-M2 in discharges with toroidal magnetic field of 0.7 T by means of magnetic probes and a number of other diagnostics during…”
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