Design improvements, assembly and testing of the ICRH antenna for W7-X

D. A. Castaño Bardawil; B. Schweer; J. Ongena; W. Behr; K. Crombé; G. Czymek; X. Han; D. Hartmann; K. P. Hollfeld; J. P. Kallmeyer; A. Krämer-Flecken; Ch Linsmeier; O. Neubauer; D. Nicolai; G. Offermanns; G. Satheeswaran; I. Stepanov; M. Van Schoor; M. Vervier; R. Wolf

doi:10.1016/j.fusengdes.2020.112205

Design improvements, assembly and testing of the ICRH antenna for W7-X

D. A. Castaño Bardawil, B. Schweer, J. Ongena, W. Behr, K. Crombé, G. Czymek, X. Han, D. Hartmann, K. P. Hollfeld, J. P. Kallmeyer, A. Krämer-Flecken, Ch Linsmeier, O. Neubauer, D. Nicolai, G. Offermanns, G. Satheeswaran, I. Stepanov, M. Van Schoor, M. Vervier, R. Wolf

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

Abstract

The newly developed ICRH antenna system for the stellarator W7-X will be available for Operational Phase 2.1. The design and application of various components in the ICRH system was validated using a prototype of the antenna box with straps. Electromagnetic characteristics were measured and optimized while reconsidering thermal and mechanical aspects. As a result, several components were improved and introduced to the final antenna design. The layout of a new matching system allows operation of the antenna at 25 MHz and 37.5 MHz without the use of additional line stretchers. The refurbished two radio frequency (RF) generators formerly used at TEXTOR comply with new EU safety standards.

Original language	English
Article number	112205
Journal	Fusion Engineering and Design
Volume	166
DOIs	https://doi.org/10.1016/j.fusengdes.2020.112205
Publication status	Published - May 2021

Keywords

3-ion
Antenna
Confinement
ICRH
Matching
RF

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Castaño Bardawil, D. A., Schweer, B., Ongena, J., Behr, W., Crombé, K., Czymek, G., Han, X., Hartmann, D., Hollfeld, K. P., Kallmeyer, J. P., Krämer-Flecken, A., Linsmeier, C., Neubauer, O., Nicolai, D., Offermanns, G., Satheeswaran, G., Stepanov, I., Van Schoor, M., Vervier, M., & Wolf, R. (2021). Design improvements, assembly and testing of the ICRH antenna for W7-X. Fusion Engineering and Design, 166, Article 112205. https://doi.org/10.1016/j.fusengdes.2020.112205

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title = "Design improvements, assembly and testing of the ICRH antenna for W7-X",

abstract = "The newly developed ICRH antenna system for the stellarator W7-X will be available for Operational Phase 2.1. The design and application of various components in the ICRH system was validated using a prototype of the antenna box with straps. Electromagnetic characteristics were measured and optimized while reconsidering thermal and mechanical aspects. As a result, several components were improved and introduced to the final antenna design. The layout of a new matching system allows operation of the antenna at 25 MHz and 37.5 MHz without the use of additional line stretchers. The refurbished two radio frequency (RF) generators formerly used at TEXTOR comply with new EU safety standards.",

keywords = "3-ion, Antenna, Confinement, ICRH, Matching, RF",

author = "{Casta{\~n}o Bardawil}, {D. A.} and B. Schweer and J. Ongena and W. Behr and K. Cromb{\'e} and G. Czymek and X. Han and D. Hartmann and Hollfeld, {K. P.} and Kallmeyer, {J. P.} and A. Kr{\"a}mer-Flecken and Ch Linsmeier and O. Neubauer and D. Nicolai and G. Offermanns and G. Satheeswaran and I. Stepanov and {Van Schoor}, M. and M. Vervier and R. Wolf",

note = "Publisher Copyright: {\textcopyright} 2021 The Author(s)",

year = "2021",

month = may,

doi = "10.1016/j.fusengdes.2020.112205",

language = "English",

volume = "166",

journal = "Fusion Engineering and Design",

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Castaño Bardawil, DA, Schweer, B, Ongena, J, Behr, W, Crombé, K, Czymek, G, Han, X, Hartmann, D, Hollfeld, KP, Kallmeyer, JP, Krämer-Flecken, A, Linsmeier, C, Neubauer, O, Nicolai, D, Offermanns, G, Satheeswaran, G, Stepanov, I, Van Schoor, M, Vervier, M & Wolf, R 2021, 'Design improvements, assembly and testing of the ICRH antenna for W7-X', Fusion Engineering and Design, vol. 166, 112205. https://doi.org/10.1016/j.fusengdes.2020.112205

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T1 - Design improvements, assembly and testing of the ICRH antenna for W7-X

AU - Castaño Bardawil, D. A.

AU - Schweer, B.

AU - Ongena, J.

AU - Behr, W.

AU - Crombé, K.

AU - Czymek, G.

AU - Han, X.

AU - Hartmann, D.

AU - Hollfeld, K. P.

AU - Kallmeyer, J. P.

AU - Krämer-Flecken, A.

AU - Linsmeier, Ch

AU - Neubauer, O.

AU - Nicolai, D.

AU - Offermanns, G.

AU - Satheeswaran, G.

AU - Stepanov, I.

AU - Van Schoor, M.

AU - Vervier, M.

AU - Wolf, R.

PY - 2021/5

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N2 - The newly developed ICRH antenna system for the stellarator W7-X will be available for Operational Phase 2.1. The design and application of various components in the ICRH system was validated using a prototype of the antenna box with straps. Electromagnetic characteristics were measured and optimized while reconsidering thermal and mechanical aspects. As a result, several components were improved and introduced to the final antenna design. The layout of a new matching system allows operation of the antenna at 25 MHz and 37.5 MHz without the use of additional line stretchers. The refurbished two radio frequency (RF) generators formerly used at TEXTOR comply with new EU safety standards.

AB - The newly developed ICRH antenna system for the stellarator W7-X will be available for Operational Phase 2.1. The design and application of various components in the ICRH system was validated using a prototype of the antenna box with straps. Electromagnetic characteristics were measured and optimized while reconsidering thermal and mechanical aspects. As a result, several components were improved and introduced to the final antenna design. The layout of a new matching system allows operation of the antenna at 25 MHz and 37.5 MHz without the use of additional line stretchers. The refurbished two radio frequency (RF) generators formerly used at TEXTOR comply with new EU safety standards.

KW - 3-ion

KW - Antenna

KW - Confinement

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KW - Matching

KW - RF

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VL - 166

JO - Fusion Engineering and Design

JF - Fusion Engineering and Design

M1 - 112205

ER -

Design improvements, assembly and testing of the ICRH antenna for W7-X

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Keywords

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