Progress in stellarator research in Kharkov IPP

Voitsenya, V. S.; Shapoval, A. N.; Pavlichenko, R. O.; Pankratov, I. M.; Chechkin, V. V.; Moiseenko, V. E.; Lozin, A.V.; Dreval, M.; Григорьева, Л.И.; Konovalov, V.G.; Tarasov, I. K.; Lesnyakov, G. G.; Beletskii, A. A.; Berezhnyj, V. L.; Bondarenko, V.N.; Chernyshenko, V. Ya.; Филиппов, В. В.; Kasilov, A. A.; Korovin, V.B.; Kotsubanov, V. D.; Kozulya, M.M.; Kramskoi, Ye.D.; Kulaga, A. E.; Maznichenko, S.M.; Makhov, M N; Mironov, Yu.K.; Nikolskij, I. K.; Romanov, V. S.; Slavnyj, A.S.; Shtan, A. F.; Sitnikov, D. A.; Тарасов, М Ю; Zamanov, N. V.; Garkusha, I.E.

doi:10.1088/0031-8949/2014/t161/014009

Cited by 10 publications

(5 citation statements)

References 10 publications

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“…The plasma heating proceeds in the kernel area efficiently and the RF field must be present there, but the anomalous transport is absent. Moreover, the peaking of the temperature in the center is investigated in another RF heating scenarios at U-3M when the FA was employed [20,21]. The turbulent transport supposition does not explain why the location of the kernel hot zone does not depend on the plasma heating regime and is not sensitive to the discharge parameters.…”

Section: Discussion Of Experimental Resultsmentioning

confidence: 95%

Characteristics of regular discharges in Uragan-3M torsatron

Moiseenko¹,

Shapoval²,

Lozin³

et al. 2019

Plasma Phys. Control. Fusion

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The Uragan-3M device is equipped with two antennas which are fed by RF power with the frequency below ion cyclotron. The frame antenna was used for pre-ionization and the three-half turn antenna makes plasma heating. In this experimental series, the radial profiles of C III, O V and C V optical line intensity and the second cyclotron harmonic emission are measured using a pulse-by-pulse technique. The results of these measurements and Biot-Savart calculations of the Uragan-3M magnetic configuration could be explained by the existence of a small central area with relatively high electron temperature and good plasma confinement surrounded by a zone where the electron temperature and confinement are worse. The relatively low average electron temperature and high RF power needed to sustain plasma are the consequences.

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Section: Discussion Of Experimental Resultsmentioning

confidence: 95%

Characteristics of regular discharges in Uragan-3M torsatron

Moiseenko¹,

Shapoval²,

Lozin³

et al. 2019

Plasma Phys. Control. Fusion

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“…As an example, consider a standard K-band operation from a typical low-density reflectometer. We assume the designed antenna will be used for reflectometer system for Uragan-2M plasma production experiment [9][10][11][12][13]. The expected electron plasma density is close to n e = 2•10 12 cm -3 .…”

Section: Fedhorn Parameters For Uragans Proposed Microwave Diagnosticsmentioning

confidence: 99%

Compact Corrugatеd Horn Antenna Initial Design for Microwave Diagnostics in Uragan-2m Stellarator

Pavlichenko¹,

Pavlichenko²

2023

Problems of Atomic Science and Technology

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In this paper, a well-known design procedure is proposed for the design of wideband constant-beam width conical corrugated horn antennas, with minimum design and construction complexity. The inputs to the procedure are the operating frequency band, the required minimum beam width in the entire frequency band, and the frequency in which the maximum gain is desired to occur. Based on these values, the procedure gives a relatively good design with a relative bandwidth of up to 2.1:1. Based on the proposed procedure, a corrugated horn antenna with a constant beam width over the frequencies of 10 to 14 GHz was designed and simulated using commercial software. This paper presents initial design for the development of quasi-optical corrugated conical horn for reflectometry diagnostics for the Uragan-2M stellarator plasma experiments.

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“…Unfortunately, the technical capabilities of power sources restrict the facility operation at full power. Nevertheless, in its parameters and experimental functionality, the "Uragan-2M" comes under the notion of advanced thermonuclear installations [25][26][27][28][29][30][31][32].…”

Section: Different Modifications Of the Additional Toroidal Fieldmentioning

confidence: 99%

To the Fiftieth Anniversary of the Kipt Torsatron Program

Voitsenya¹,

Bykov²,

Рудаков³

et al. 2020

Problems of Atomic Science and Technology

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The paper is dedicated to the 50th anniversary of controlled thermonuclear fusion studies performed at the KIPT on the specific stellarator-type experimental installations commonly referred to as “the torsatron”. Detailed data are reported on the operating thermonuclear facility “Uragan-2M”, the research results obtained with it, and also, the prospects for its use as a reactor. The advantages of the torsatron of this type are described, among them being the wide-range parameter variation capability. This is of importance for finding out the regularities related to plasma stability, heating and confinement.

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Progress in stellarator research in Kharkov IPP

Cited by 10 publications

References 10 publications

Characteristics of regular discharges in Uragan-3M torsatron

Characteristics of regular discharges in Uragan-3M torsatron

Compact Corrugatеd Horn Antenna Initial Design for Microwave Diagnostics in Uragan-2m Stellarator

To the Fiftieth Anniversary of the Kipt Torsatron Program

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