Comparison of the performance of ICRF antennas with and without Faraday shield on TEXTOR

R. Van Nieuwenhove; R. Koch; G. Van Oost; Boedo J.a. Boedo; P. Dumortier; F. Durodie; P. Lamalle; Lebeau D. Lebeau; A.M. Messiaen; J. Ongena; Schweer B. Schweer; Stickelmann C. Stickelmann; Telesca G. Telesca; P.E. Vandenplas; G. Van Wassenhove; M. Vervier

doi:10.1088/0029-5515/32/11/I03

Comparison of the performance of ICRF antennas with and without Faraday shield on TEXTOR

R. Van Nieuwenhove, R. Koch, G. Van Oost, Boedo J.a. Boedo, P. Dumortier, F. Durodie, P. Lamalle, Lebeau D. Lebeau, A.M. Messiaen, J. Ongena, Schweer B. Schweer, Stickelmann C. Stickelmann, Telesca G. Telesca, P.E. Vandenplas, G. Van Wassenhove, M. Vervier

Laboratory for Plasma Physics

Royal Military Academy

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

Abstract

After the first demonstration of successful operation with ion cyclotron resonance heating (ICRH) on TEXTOR using an antenna without Faraday shield (FS), a further comparison of an antenna with FS and an antenna without FS has been made over a wide range of plasma conditions (including the improved confinement regime on TEXTOR), in zero phase and pi phase operation, using various heating scenarios. No restriction in the operational conditions was found to exist for the screenless antenna. A theoretical analysis shows that antenna side limiters are sufficient to protect the antenna conductor from the plasma and that the plasma in front of the antenna can take over the role of the FS without introducing additional losses. The impact of the operation with both antennas on plasma temperature, density, energy, impurities, etc., is discussed in detail.

Originalsprache	Englisch
Aufsatznummer	I03
Seiten (von - bis)	1913-1925
Seitenumfang	13
Fachzeitschrift	Nuclear Fusion
Jahrgang	32
Ausgabenummer	11
DOIs	https://doi.org/10.1088/0029-5515/32/11/I03
Publikationsstatus	Veröffentlicht - 1992

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Van Nieuwenhove, R., Koch, R., Van Oost, G., J.a. Boedo, B., Dumortier, P., Durodie, F., Lamalle, P., D. Lebeau, L., Messiaen, A. M., Ongena, J., B. Schweer, S., C. Stickelmann, S., G. Telesca, T., Vandenplas, P. E., Van Wassenhove, G., & Vervier, M. (1992). Comparison of the performance of ICRF antennas with and without Faraday shield on TEXTOR. Nuclear Fusion, 32(11), 1913-1925. Artikel I03. https://doi.org/10.1088/0029-5515/32/11/I03

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title = "Comparison of the performance of ICRF antennas with and without Faraday shield on TEXTOR",

abstract = "After the first demonstration of successful operation with ion cyclotron resonance heating (ICRH) on TEXTOR using an antenna without Faraday shield (FS), a further comparison of an antenna with FS and an antenna without FS has been made over a wide range of plasma conditions (including the improved confinement regime on TEXTOR), in zero phase and pi phase operation, using various heating scenarios. No restriction in the operational conditions was found to exist for the screenless antenna. A theoretical analysis shows that antenna side limiters are sufficient to protect the antenna conductor from the plasma and that the plasma in front of the antenna can take over the role of the FS without introducing additional losses. The impact of the operation with both antennas on plasma temperature, density, energy, impurities, etc., is discussed in detail.",

author = "{Van Nieuwenhove}, R. and R. Koch and {Van Oost}, G. and {J.a. Boedo}, Boedo and P. Dumortier and F. Durodie and P. Lamalle and {D. Lebeau}, Lebeau and A.M. Messiaen and J. Ongena and {B. Schweer}, Schweer and {C. Stickelmann}, Stickelmann and {G. Telesca}, Telesca and P.E. Vandenplas and {Van Wassenhove}, G. and M. Vervier",

year = "1992",

doi = "10.1088/0029-5515/32/11/I03",

language = "English",

volume = "32",

pages = "1913--1925",

journal = "Nuclear Fusion",

issn = "0029-5515",

number = "11",

}

Van Nieuwenhove, R, Koch, R, Van Oost, G, J.a. Boedo, B, Dumortier, P , Durodie, F , Lamalle, P, D. Lebeau, L, Messiaen, AM, Ongena, J, B. Schweer, S, C. Stickelmann, S, G. Telesca, T, Vandenplas, PE, Van Wassenhove, G & Vervier, M 1992, 'Comparison of the performance of ICRF antennas with and without Faraday shield on TEXTOR', Nuclear Fusion, Jg. 32, Nr. 11, I03, S. 1913-1925. https://doi.org/10.1088/0029-5515/32/11/I03

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T1 - Comparison of the performance of ICRF antennas with and without Faraday shield on TEXTOR

AU - Van Nieuwenhove, R.

AU - Koch, R.

AU - Van Oost, G.

AU - J.a. Boedo, Boedo

AU - Dumortier, P.

AU - Durodie, F.

AU - Lamalle, P.

AU - D. Lebeau, Lebeau

AU - Messiaen, A.M.

AU - Ongena, J.

AU - B. Schweer, Schweer

AU - C. Stickelmann, Stickelmann

AU - G. Telesca, Telesca

AU - Vandenplas, P.E.

AU - Van Wassenhove, G.

AU - Vervier, M.

PY - 1992

Y1 - 1992

N2 - After the first demonstration of successful operation with ion cyclotron resonance heating (ICRH) on TEXTOR using an antenna without Faraday shield (FS), a further comparison of an antenna with FS and an antenna without FS has been made over a wide range of plasma conditions (including the improved confinement regime on TEXTOR), in zero phase and pi phase operation, using various heating scenarios. No restriction in the operational conditions was found to exist for the screenless antenna. A theoretical analysis shows that antenna side limiters are sufficient to protect the antenna conductor from the plasma and that the plasma in front of the antenna can take over the role of the FS without introducing additional losses. The impact of the operation with both antennas on plasma temperature, density, energy, impurities, etc., is discussed in detail.

AB - After the first demonstration of successful operation with ion cyclotron resonance heating (ICRH) on TEXTOR using an antenna without Faraday shield (FS), a further comparison of an antenna with FS and an antenna without FS has been made over a wide range of plasma conditions (including the improved confinement regime on TEXTOR), in zero phase and pi phase operation, using various heating scenarios. No restriction in the operational conditions was found to exist for the screenless antenna. A theoretical analysis shows that antenna side limiters are sufficient to protect the antenna conductor from the plasma and that the plasma in front of the antenna can take over the role of the FS without introducing additional losses. The impact of the operation with both antennas on plasma temperature, density, energy, impurities, etc., is discussed in detail.

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Comparison of the performance of ICRF antennas with and without Faraday shield on TEXTOR

Abstract

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