Conceptual study of an ICRH system for T-15MD using traveling wave antenna (TWA) sections

J. Ongena; A. M. Messiaen; A. V. Melnikov; R. Ragona; Ye O. Kazakov; D. Van Eester; Yu N. Dnestrovskii; P. P. Khvostenko; I. N. Roy; A. N. Romannikov

doi:10.1016/j.fusengdes.2019.01.080

Conceptual study of an ICRH system for T-15MD using traveling wave antenna (TWA) sections

J. Ongena, A. M. Messiaen, A. V. Melnikov, R. Ragona, Ye O. Kazakov, D. Van Eester, Yu N. Dnestrovskii, P. P. Khvostenko, I. N. Roy, A. N. Romannikov

Laboratory for Plasma Physics

Research output: Contribution to journal › Article › peer-review

Abstract

This paper describes a conceptual ICRH system for the tokamak T-15MД, in construction at the Nuclear Fusion Institute of the Kurchatov Research Centre for Atomic Energy in Moscow. The proposed system consists of a number of Travelling Wave Antenna sections, located below the equatorial plane of the tokamak. This antenna system, loaded by a simulated density profile provided by the T-15MД team, is modelled including its resonant ring feeding system. Resonant ring feeding allows the recirculation of the RF power that is not radiated to the plasma and the termination of the TWA section on its iterative impedance. The paper describes the antenna design, the feeding ring tuning algorithm and expected performances of this antenna concept. The chosen geometry of the TWA sections is compatible with that of a future reactor and therefore this ICRH antenna system for T-15MД represents also a test bed for DEMO.

Original language	English
Pages (from-to)	787-791
Number of pages	5
Journal	Fusion Engineering and Design
Volume	146
DOIs	https://doi.org/10.1016/j.fusengdes.2019.01.080
Publication status	Published - Sept 2019

Keywords

Auxiliary heating
Current drive
ICRH
Tokamak
Travelling wave antenna

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10.1016/j.fusengdes.2019.01.080

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title = "Conceptual study of an ICRH system for T-15MD using traveling wave antenna (TWA) sections",

abstract = "This paper describes a conceptual ICRH system for the tokamak T-15MД, in construction at the Nuclear Fusion Institute of the Kurchatov Research Centre for Atomic Energy in Moscow. The proposed system consists of a number of Travelling Wave Antenna sections, located below the equatorial plane of the tokamak. This antenna system, loaded by a simulated density profile provided by the T-15MД team, is modelled including its resonant ring feeding system. Resonant ring feeding allows the recirculation of the RF power that is not radiated to the plasma and the termination of the TWA section on its iterative impedance. The paper describes the antenna design, the feeding ring tuning algorithm and expected performances of this antenna concept. The chosen geometry of the TWA sections is compatible with that of a future reactor and therefore this ICRH antenna system for T-15MД represents also a test bed for DEMO.",

keywords = "Auxiliary heating, Current drive, ICRH, Tokamak, Travelling wave antenna",

author = "J. Ongena and Messiaen, {A. M.} and Melnikov, {A. V.} and R. Ragona and Kazakov, {Ye O.} and {Van Eester}, D. and Dnestrovskii, {Yu N.} and Khvostenko, {P. P.} and Roy, {I. N.} and Romannikov, {A. N.}",

note = "Publisher Copyright: {\textcopyright} 2019 Elsevier B.V.",

year = "2019",

month = sep,

doi = "10.1016/j.fusengdes.2019.01.080",

language = "English",

volume = "146",

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AU - Ongena, J.

AU - Messiaen, A. M.

AU - Melnikov, A. V.

AU - Ragona, R.

AU - Kazakov, Ye O.

AU - Van Eester, D.

AU - Dnestrovskii, Yu N.

AU - Khvostenko, P. P.

AU - Roy, I. N.

AU - Romannikov, A. N.

PY - 2019/9

Y1 - 2019/9

N2 - This paper describes a conceptual ICRH system for the tokamak T-15MД, in construction at the Nuclear Fusion Institute of the Kurchatov Research Centre for Atomic Energy in Moscow. The proposed system consists of a number of Travelling Wave Antenna sections, located below the equatorial plane of the tokamak. This antenna system, loaded by a simulated density profile provided by the T-15MД team, is modelled including its resonant ring feeding system. Resonant ring feeding allows the recirculation of the RF power that is not radiated to the plasma and the termination of the TWA section on its iterative impedance. The paper describes the antenna design, the feeding ring tuning algorithm and expected performances of this antenna concept. The chosen geometry of the TWA sections is compatible with that of a future reactor and therefore this ICRH antenna system for T-15MД represents also a test bed for DEMO.

AB - This paper describes a conceptual ICRH system for the tokamak T-15MД, in construction at the Nuclear Fusion Institute of the Kurchatov Research Centre for Atomic Energy in Moscow. The proposed system consists of a number of Travelling Wave Antenna sections, located below the equatorial plane of the tokamak. This antenna system, loaded by a simulated density profile provided by the T-15MД team, is modelled including its resonant ring feeding system. Resonant ring feeding allows the recirculation of the RF power that is not radiated to the plasma and the termination of the TWA section on its iterative impedance. The paper describes the antenna design, the feeding ring tuning algorithm and expected performances of this antenna concept. The chosen geometry of the TWA sections is compatible with that of a future reactor and therefore this ICRH antenna system for T-15MД represents also a test bed for DEMO.

KW - Auxiliary heating

KW - Current drive

KW - ICRH

KW - Tokamak

KW - Travelling wave antenna

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DO - 10.1016/j.fusengdes.2019.01.080

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SN - 0920-3796

VL - 146

SP - 787

EP - 791

JO - Fusion Engineering and Design

JF - Fusion Engineering and Design

ER -

Conceptual study of an ICRH system for T-15MD using traveling wave antenna (TWA) sections

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Keywords

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