Modelling of mixed-phasing antenna-plasma interactions on JET A2 antennas

D. A. D'Ippolito; J. R. Myra; P. M. Ryan; E. Righi; J. Heikkinen; P. U. Lamalle; J. M. Noterdaeme

doi:10.1088/0029-5515/42/12/302

Modelling of mixed-phasing antenna-plasma interactions on JET A2 antennas

D. A. D'Ippolito
, J. R. Myra
, P. M. Ryan
, E. Righi
, J. Heikkinen
, P. U. Lamalle
, J. M. Noterdaeme

Laboratory for Plasma Physics

Lodestar Research Corporation
Oak Ridge National Laboratory
EFDA CSU-Garching
European Commission
Helsinki University of Technology
EFDA-CSU
Max-Planck-Institut für Plasmaphysik

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

34 Zitate (Scopus)

Abstract

The use of mixed(monopole-dipole)-phasing of a set of ion cyclotron range of frequency antennas is potentially useful to optimize tokamak performance. However, recent mixed-phasing experiments on JET, described here, showed undesirable antenna-plasma interactions under certain circumstances. A possible physical mechanism to explain the experimental results is discussed, namely, rf-driven dc parallel currents flowing between adjacent antennas with different phasings can lead to arcing on the antenna with the largest sheath voltage. Means of controlling the interaction are discussed.

Originalsprache	Englisch
Seiten (von - bis)	1357-1365
Seitenumfang	9
Fachzeitschrift	Nuclear Fusion
Jahrgang	42
Ausgabenummer	12
DOIs	https://doi.org/10.1088/0029-5515/42/12/302
Publikationsstatus	Veröffentlicht - Dez. 2002

Zugriff auf Dokument

10.1088/0029-5515/42/12/302

Andere Dateien und Links

Verknüpfung zur Publikation in Scopus

Dieses zitieren

@article{89f9a04075564890ba6a608632123080,

title = "Modelling of mixed-phasing antenna-plasma interactions on JET A2 antennas",

abstract = "The use of mixed(monopole-dipole)-phasing of a set of ion cyclotron range of frequency antennas is potentially useful to optimize tokamak performance. However, recent mixed-phasing experiments on JET, described here, showed undesirable antenna-plasma interactions under certain circumstances. A possible physical mechanism to explain the experimental results is discussed, namely, rf-driven dc parallel currents flowing between adjacent antennas with different phasings can lead to arcing on the antenna with the largest sheath voltage. Means of controlling the interaction are discussed.",

author = "D'Ippolito, \{D. A.\} and Myra, \{J. R.\} and Ryan, \{P. M.\} and E. Righi and J. Heikkinen and Lamalle, \{P. U.\} and Noterdaeme, \{J. M.\}",

year = "2002",

month = dec,

doi = "10.1088/0029-5515/42/12/302",

language = "English",

volume = "42",

pages = "1357--1365",

journal = "Nuclear Fusion",

issn = "0029-5515",

number = "12",

}

TY - JOUR

T1 - Modelling of mixed-phasing antenna-plasma interactions on JET A2 antennas

AU - D'Ippolito, D. A.

AU - Myra, J. R.

AU - Ryan, P. M.

AU - Righi, E.

AU - Heikkinen, J.

AU - Lamalle, P. U.

AU - Noterdaeme, J. M.

PY - 2002/12

Y1 - 2002/12

N2 - The use of mixed(monopole-dipole)-phasing of a set of ion cyclotron range of frequency antennas is potentially useful to optimize tokamak performance. However, recent mixed-phasing experiments on JET, described here, showed undesirable antenna-plasma interactions under certain circumstances. A possible physical mechanism to explain the experimental results is discussed, namely, rf-driven dc parallel currents flowing between adjacent antennas with different phasings can lead to arcing on the antenna with the largest sheath voltage. Means of controlling the interaction are discussed.

AB - The use of mixed(monopole-dipole)-phasing of a set of ion cyclotron range of frequency antennas is potentially useful to optimize tokamak performance. However, recent mixed-phasing experiments on JET, described here, showed undesirable antenna-plasma interactions under certain circumstances. A possible physical mechanism to explain the experimental results is discussed, namely, rf-driven dc parallel currents flowing between adjacent antennas with different phasings can lead to arcing on the antenna with the largest sheath voltage. Means of controlling the interaction are discussed.

UR - https://www.scopus.com/pages/publications/0036918770

U2 - 10.1088/0029-5515/42/12/302

DO - 10.1088/0029-5515/42/12/302

M3 - Article

AN - SCOPUS:0036918770

SN - 0029-5515

VL - 42

SP - 1357

EP - 1365

JO - Nuclear Fusion

JF - Nuclear Fusion

IS - 12

ER -

Modelling of mixed-phasing antenna-plasma interactions on JET A2 antennas

Abstract

Zugriff auf Dokument

Andere Dateien und Links

Fingerprint

Dieses zitieren