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  1. No Access

    Article

    The First Application of the HIBP Diagnostics for co-NBI Plasma Potential Measurement in the TUMAN-3M Tokamak

    The heavy ion beam probe (HIBP) diagnostics at the TUMAN-3M tokamak was updated to provide measurements in the regime with neutral beam injection co-directed with plasma current (co-NBI). By means of HIBP, pla...

    A. A. Belokurov, G. I. Abdullina, L. G. Askinazi, N. A. Zhubr… in Technical Physics Letters (2023)

  2. No Access

    Article

    Optimization of Atomic Beam Power Loss in the Beamline of the TUMAN-3M Tokamak

    The results of an analysis of the mechanisms of losses of a high-energy atomic beam in the connecting duct of the TUMAN-3M tokamak are presented. A numerical model is developed describing the effect of reducti...

    V. A. Kornev, G. I. Abdullina, L. G. Askinazi, A. A. Belokurov… in Technical Physics Letters (2021)

  3. No Access

    Article

    Experimental Determination of the Dispersion Relation of Plasma Radiation at Frequencies of the Ion Cyclotron Resonance and Its Harmonics in Tokamak

    A study of the spectral properties of electromagnetic radiation in the ion-cyclotron range from the plasma of the TUMAN-3M tokamak in the NBI heating mode has been carried out. The spectrum of this radiation c...

    L. G. Askinazi, G. I. Abdullina, A. A. Belokurov, V. A. Kornev… in Technical Physics Letters (2021)

  4. No Access

    Article

    Polarization Properties of Alfvén Oscillations in the TUMAN-3M Tokamak

    The results of experiments on determining the polarization of two types of Alfvén oscillations observed with magnetic probes in the TUMAN-3M tokamak are presented. The difference in the polarization of short a...

    G. I. Abdullina, L. G. Askinazi, A. A. Belokurov, N. A. Zhubr… in Technical Physics Letters (2021)

  5. No Access

    Article

    Plasma Column Position Determination Based on Electric Potential Profile Measurements on TUMAN-3M and Globus-M Tokamaks

    A method of plasma boundary location based on last closed magnetic surface position detection as a maximum of electrostatic potential measured using Langmuir probes is presented. It is demonstrated that the me...

    L. G. Askinazi, G. I. Abdullina, A. A. Belokurov, V. K. Gusev… in Plasma Physics Reports (2019)

  6. No Access

    Article

    Density Gradient Evolution Effect on Ion Cyclotron Waves Excitation in TUMAN-3M Tokamak Ohmic Discharges

    In TUMAN-3M tokamak ohmic hydrogen and deuterium discharges oscillations with ion cyclotron (IC) frequency were detected. Fast magnetic probes poloidal array in TUMAN-3M is capable of detecting several harmoni...

    A. A. Belokurov, G. I. Abdullina, L. G. Askinazi, N. A. Zhubr… in Technical Physics Letters (2019)

  7. No Access

    Article

    Geodesic Acoustic Mode Temporal Parameters Effect on the LH-Transition Initiation Possibility in TUMAN-3M Tokamak

    Geodesic acoustic mode (GAM) observations in TUMAN-3M tokamak show that in ohmic discharges with low plasma density GAM have intermittent character; transition to high confinement regime (LH-transition) is usu...

    A. A. Belokurov, G. I. Abdullina, L. G. Askinazi… in Technical Physics Letters (2019)

  8. No Access

    Article

    Determining Plasma Isotopic Composition from the Alfvén Oscillation Frequency in the TUMAN-3M Tokamak

    We discuss the possibility of determining the evolution of the isotopic composition of plasma by the frequency of Alfvén oscillations in ohmic discharges in the compact TUMAN-3M tokamak with pulsed deuterium p...

    G. I. Abdullina, L. G. Askinazi, A. A. Belokurov, N. A. Zhubr… in Technical Physics Letters (2019)

  9. No Access

    Article

    Spatio-Temporal Structure of Alfvén Waves in the TUMAN-3M Tokamak

    Spatial and temporal structure of Alfvén waves was studied with array of magnetic probes in compact tokamak TUMAN-3M. Poloidal mode numbers have been determined for Alfven instabilities bursts of the two types...

    G. I. Abdullina, L. G. Askinazi, A. A. Belokurov, N. A. Zhubr… in Technical Physics Letters (2018)

  10. No Access

    Article

    The Spectrum of Ion Cyclotron Emission from Neutral Beam Injection Heated Plasma on the TUMAN-3M Tokamak

    Radiation at the ion cyclotron resonance frequencies in both the ohmic mode and the injection heating mode—ion cyclotron emission (ICE)—is observed on the TUMAN-3M tokamak (minor radius a = 0.25 m, major radius R

    L. G. Askinazi, G. I. Abdullina, A. A. Belokurov… in Technical Physics Letters (2018)

  11. No Access

    Article

    Determination of the Alfvén Oscillation Location in the TUMAN-3M Tokamak Plasma

    The Alfvén oscillations have been studied in ohmically heated deuterium discharges with LH-transition in the TUMAN-3M tokamak in order to clarify their location in a plasma column. The Alfvén oscillation locat...

    G. I. Abdullina, L. G. Askinazi, A. A. Belokurov, N. A. Zhubr… in Technical Physics Letters (2018)

  12. No Access

    Article

    Possibility of plasma position detection by means of peripheral plasma potential measurements in tokamak

    In the current paper a method of plasma position measurement, alternative to magnetic diagnostics, is proposed. The method is based on determination of the last closed flux surface (LCFS) location by detecting...

    G. I. Abdullina, L. G. Askinazi, A. A. Belokurov, N. A. Zhubr… in Technical Physics Letters (2016)