ICRF physics aspects of wall conditioning with conventional antennas in large-size tokamaks

A. Lyssoivan; R. Koch; D. Douai; J. M. Noterdaeme; V. Philipps; V. Rohde; F. C. Schüller; G. Sergienko; D. Van Eester; T. Wauters; T. Blackman; V. Bobkov; S. Brémond; S. Brezinsek; E. De La Cal; R. Dumont; M. Garcia-Munoz; E. Gauthier; M. Graham; S. Jachmich; E. Joffrin; A. Kreter; P. U. Lamalle; E. Lerche; G. Lombard; F. Louche; M. Maslov; M. L. Mayoral; V. E. Moiseenko; P. Mollard; I. Monakhov; J. Ongena; M. K. Paul; R. A. Pitts; V. Plyusnin; W. Suttrop; E. Tsitrone; M. Van Schoor; G. Van Wassenhove; M. Vervier

doi:10.1016/j.jnucmat.2010.11.059

ICRF physics aspects of wall conditioning with conventional antennas in large-size tokamaks

A. Lyssoivan, R. Koch, D. Douai, J. M. Noterdaeme, V. Philipps, V. Rohde, F. C. Schüller, G. Sergienko, D. Van Eester, T. Wauters, T. Blackman, V. Bobkov, S. Brémond, S. Brezinsek, E. De La Cal, R. Dumont, M. Garcia-Munoz, E. Gauthier, M. Graham, S. JachmichE. Joffrin, A. Kreter, P. U. Lamalle, E. Lerche, G. Lombard, F. Louche, M. Maslov, M. L. Mayoral, V. E. Moiseenko, P. Mollard, I. Monakhov, J. Ongena, M. K. Paul, R. A. Pitts, V. Plyusnin, W. Suttrop, E. Tsitrone, M. Van Schoor, G. Van Wassenhove, M. Vervier

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This paper focuses on a study of the principal operation aspects of standard ICRF heating antennas in the ion cyclotron wall conditioning (ICWC) mode: (i) ability of the antenna to ignite the cleaning discharge safely and reliably in different gases including those most likely to be used in ITER - He, H₂, D₂ and their mixtures, (ii) the antenna capacity to couple a large fraction of the RF generator power (>50%) to low density (∼10¹⁶-10¹⁸ m^-3) plasmas and (iii) the RF power absorption schemes aimed at improved RF plasma homogeneity and enhanced conditioning effect. The ICWC discharge optimization in terms of RF plasma wave excitation/absorption resulted in successful simulation of the conditioning scenarios for ITER operation at full field (JET) and half-field (TEXTOR, TORE SUPRA, ASDEX Upgrade).

Originele taal-2	Engels
Pagina's (van-tot)	S1029-S1032
Tijdschrift	Journal of Nuclear Materials
Volume	415
Nummer van het tijdschrift	1 SUPPL
DOI's	https://doi.org/10.1016/j.jnucmat.2010.11.059
Status	Gepubliceerd - 1 aug. 2011

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10.1016/j.jnucmat.2010.11.059

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Lyssoivan, A., Koch, R., Douai, D., Noterdaeme, J. M., Philipps, V., Rohde, V., Schüller, F. C., Sergienko, G., Van Eester, D., Wauters, T., Blackman, T., Bobkov, V., Brémond, S., Brezinsek, S., De La Cal, E., Dumont, R., Garcia-Munoz, M., Gauthier, E., Graham, M., ... Vervier, M. (2011). ICRF physics aspects of wall conditioning with conventional antennas in large-size tokamaks. Journal of Nuclear Materials, 415(1 SUPPL), S1029-S1032. https://doi.org/10.1016/j.jnucmat.2010.11.059

@article{ee83c8ef49684f7b8a8f5d0a9649d023,

title = "ICRF physics aspects of wall conditioning with conventional antennas in large-size tokamaks",

abstract = "This paper focuses on a study of the principal operation aspects of standard ICRF heating antennas in the ion cyclotron wall conditioning (ICWC) mode: (i) ability of the antenna to ignite the cleaning discharge safely and reliably in different gases including those most likely to be used in ITER - He, H2, D2 and their mixtures, (ii) the antenna capacity to couple a large fraction of the RF generator power (>50%) to low density (∼1016-1018 m-3) plasmas and (iii) the RF power absorption schemes aimed at improved RF plasma homogeneity and enhanced conditioning effect. The ICWC discharge optimization in terms of RF plasma wave excitation/absorption resulted in successful simulation of the conditioning scenarios for ITER operation at full field (JET) and half-field (TEXTOR, TORE SUPRA, ASDEX Upgrade).",

author = "A. Lyssoivan and R. Koch and D. Douai and Noterdaeme, {J. M.} and V. Philipps and V. Rohde and Sch{\"u}ller, {F. C.} and G. Sergienko and {Van Eester}, D. and T. Wauters and T. Blackman and V. Bobkov and S. Br{\'e}mond and S. Brezinsek and {De La Cal}, E. and R. Dumont and M. Garcia-Munoz and E. Gauthier and M. Graham and S. Jachmich and E. Joffrin and A. Kreter and Lamalle, {P. U.} and E. Lerche and G. Lombard and F. Louche and M. Maslov and Mayoral, {M. L.} and Moiseenko, {V. E.} and P. Mollard and I. Monakhov and J. Ongena and Paul, {M. K.} and Pitts, {R. A.} and V. Plyusnin and W. Suttrop and E. Tsitrone and {Van Schoor}, M. and {Van Wassenhove}, G. and M. Vervier",

note = "Funding Information: This work was supported by EURATOM and carried out within the framework of the European Fusion Development Agreement. The views and opinions expressed herein do not necessarily reflect those of the European Commission.",

year = "2011",

month = aug,

day = "1",

doi = "10.1016/j.jnucmat.2010.11.059",

language = "English",

volume = "415",

pages = "S1029--S1032",

journal = "Journal of Nuclear Materials",

issn = "0022-3115",

number = "1 SUPPL",

}

Lyssoivan, A, Koch, R, Douai, D, Noterdaeme, JM, Philipps, V, Rohde, V, Schüller, FC, Sergienko, G, Van Eester, D, Wauters, T, Blackman, T, Bobkov, V, Brémond, S, Brezinsek, S, De La Cal, E, Dumont, R, Garcia-Munoz, M, Gauthier, E, Graham, M, Jachmich, S, Joffrin, E, Kreter, A, Lamalle, PU , Lerche, E, Lombard, G, Louche, F, Maslov, M, Mayoral, ML, Moiseenko, VE, Mollard, P, Monakhov, I, Ongena, J, Paul, MK, Pitts, RA, Plyusnin, V, Suttrop, W, Tsitrone, E, Van Schoor, M, Van Wassenhove, G & Vervier, M 2011, 'ICRF physics aspects of wall conditioning with conventional antennas in large-size tokamaks', Journal of Nuclear Materials, vol. 415, nr. 1 SUPPL, blz. S1029-S1032. https://doi.org/10.1016/j.jnucmat.2010.11.059

TY - JOUR

T1 - ICRF physics aspects of wall conditioning with conventional antennas in large-size tokamaks

AU - Lyssoivan, A.

AU - Koch, R.

AU - Douai, D.

AU - Noterdaeme, J. M.

AU - Philipps, V.

AU - Rohde, V.

AU - Schüller, F. C.

AU - Sergienko, G.

AU - Van Eester, D.

AU - Wauters, T.

AU - Blackman, T.

AU - Bobkov, V.

AU - Brémond, S.

AU - Brezinsek, S.

AU - De La Cal, E.

AU - Dumont, R.

AU - Garcia-Munoz, M.

AU - Gauthier, E.

AU - Graham, M.

AU - Jachmich, S.

AU - Joffrin, E.

AU - Kreter, A.

AU - Lamalle, P. U.

AU - Lerche, E.

AU - Lombard, G.

AU - Louche, F.

AU - Maslov, M.

AU - Mayoral, M. L.

AU - Moiseenko, V. E.

AU - Mollard, P.

AU - Monakhov, I.

AU - Ongena, J.

AU - Paul, M. K.

AU - Pitts, R. A.

AU - Plyusnin, V.

AU - Suttrop, W.

AU - Tsitrone, E.

AU - Van Schoor, M.

AU - Van Wassenhove, G.

AU - Vervier, M.

N1 - Funding Information: This work was supported by EURATOM and carried out within the framework of the European Fusion Development Agreement. The views and opinions expressed herein do not necessarily reflect those of the European Commission.

PY - 2011/8/1

Y1 - 2011/8/1

N2 - This paper focuses on a study of the principal operation aspects of standard ICRF heating antennas in the ion cyclotron wall conditioning (ICWC) mode: (i) ability of the antenna to ignite the cleaning discharge safely and reliably in different gases including those most likely to be used in ITER - He, H2, D2 and their mixtures, (ii) the antenna capacity to couple a large fraction of the RF generator power (>50%) to low density (∼1016-1018 m-3) plasmas and (iii) the RF power absorption schemes aimed at improved RF plasma homogeneity and enhanced conditioning effect. The ICWC discharge optimization in terms of RF plasma wave excitation/absorption resulted in successful simulation of the conditioning scenarios for ITER operation at full field (JET) and half-field (TEXTOR, TORE SUPRA, ASDEX Upgrade).

AB - This paper focuses on a study of the principal operation aspects of standard ICRF heating antennas in the ion cyclotron wall conditioning (ICWC) mode: (i) ability of the antenna to ignite the cleaning discharge safely and reliably in different gases including those most likely to be used in ITER - He, H2, D2 and their mixtures, (ii) the antenna capacity to couple a large fraction of the RF generator power (>50%) to low density (∼1016-1018 m-3) plasmas and (iii) the RF power absorption schemes aimed at improved RF plasma homogeneity and enhanced conditioning effect. The ICWC discharge optimization in terms of RF plasma wave excitation/absorption resulted in successful simulation of the conditioning scenarios for ITER operation at full field (JET) and half-field (TEXTOR, TORE SUPRA, ASDEX Upgrade).

UR - http://www.scopus.com/inward/record.url?scp=80054845768&partnerID=8YFLogxK

U2 - 10.1016/j.jnucmat.2010.11.059

DO - 10.1016/j.jnucmat.2010.11.059

M3 - Article

AN - SCOPUS:80054845768

SN - 0022-3115

VL - 415

SP - S1029-S1032

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

IS - 1 SUPPL

ER -

ICRF physics aspects of wall conditioning with conventional antennas in large-size tokamaks

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