L-H transition threshold studies in helium plasmas at JET

E. R. Solano; G. Birkenmeier; E. Delabie; C. Silva; J. C. Hillesheim; A. Boboc; I. S. Carvalho; P. Carvalho; M. Chernyshova; T. Craciunescu; E. De La Luna; J. M. Fontdecaba; R. Henriques; P. Jacquet; I. Jepu; A. Kappatou; D. King; M. Lennholm; E. Lerche; E. Litherland-Smith; A. Loarte; M. Maslov; F. Parra Diaz; V. Parail; E. Pawelec; F. G. Rimini; A. Shaw; P. Siren; G. Szepesi; Štancar; E. Tholerus; S. Vartanian; B. Viola; H. Weisen

doi:10.1088/1741-4326/ac2b76

L-H transition threshold studies in helium plasmas at JET

E. R. Solano, G. Birkenmeier, E. Delabie, C. Silva, J. C. Hillesheim, A. Boboc, I. S. Carvalho, P. Carvalho, M. Chernyshova, T. Craciunescu, E. De La Luna, J. M. Fontdecaba, R. Henriques, P. Jacquet, I. Jepu, A. Kappatou, D. King, M. Lennholm, E. Lerche, E. Litherland-SmithA. Loarte, M. Maslov, F. Parra Diaz, V. Parail, E. Pawelec, F. G. Rimini, A. Shaw, P. Siren, G. Szepesi, Štancar, E. Tholerus, S. Vartanian, B. Viola, H. Weisen

Laboratory for Plasma Physics

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Abstract

We present a study of the power threshold for L-H transitions (P LH) in almost pure helium plasmas, obtained in recent experiments at JET with an ITER-like wall (Be wall and W divertor). The most notable new result is that the density at which P LH is minimum, is considerably higher for helium than for deuterium and hydrogen plasmas. We discuss the possible implications for ITER in its pre-fusion operating power phase.

Original language	English
Article number	124001
Journal	Nuclear Fusion
Volume	61
Issue number	12
DOIs	https://doi.org/10.1088/1741-4326/ac2b76
Publication status	Published - Dec 2021

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Solano, E. R., Birkenmeier, G., Delabie, E., Silva, C., Hillesheim, J. C., Boboc, A., Carvalho, I. S., Carvalho, P., Chernyshova, M., Craciunescu, T., De La Luna, E., Fontdecaba, J. M., Henriques, R., Jacquet, P., Jepu, I., Kappatou, A., King, D., Lennholm, M., Lerche, E., ... Weisen, H. (2021). L-H transition threshold studies in helium plasmas at JET. Nuclear Fusion, 61(12), Article 124001. https://doi.org/10.1088/1741-4326/ac2b76

@article{752c6c2bb2ea46d2a29fa97ab771de3d,

title = "L-H transition threshold studies in helium plasmas at JET",

abstract = "We present a study of the power threshold for L-H transitions (P LH) in almost pure helium plasmas, obtained in recent experiments at JET with an ITER-like wall (Be wall and W divertor). The most notable new result is that the density at which P LH is minimum, is considerably higher for helium than for deuterium and hydrogen plasmas. We discuss the possible implications for ITER in its pre-fusion operating power phase.",

author = "Solano, \{E. R.\} and G. Birkenmeier and E. Delabie and C. Silva and Hillesheim, \{J. C.\} and A. Boboc and Carvalho, \{I. S.\} and P. Carvalho and M. Chernyshova and T. Craciunescu and \{De La Luna\}, E. and Fontdecaba, \{J. M.\} and R. Henriques and P. Jacquet and I. Jepu and A. Kappatou and D. King and M. Lennholm and E. Lerche and E. Litherland-Smith and A. Loarte and M. Maslov and \{Parra Diaz\}, F. and V. Parail and E. Pawelec and Rimini, \{F. G.\} and A. Shaw and P. Siren and G. Szepesi and {\v S}tancar and E. Tholerus and S. Vartanian and B. Viola and H. Weisen",

note = "Publisher Copyright: {\textcopyright} EURATOM 2021.",

year = "2021",

month = dec,

doi = "10.1088/1741-4326/ac2b76",

language = "English",

volume = "61",

journal = "Nuclear Fusion",

issn = "0029-5515",

number = "12",

}

Solano, ER, Birkenmeier, G, Delabie, E, Silva, C, Hillesheim, JC, Boboc, A, Carvalho, IS, Carvalho, P, Chernyshova, M, Craciunescu, T, De La Luna, E, Fontdecaba, JM, Henriques, R, Jacquet, P, Jepu, I, Kappatou, A, King, D, Lennholm, M, Lerche, E, Litherland-Smith, E, Loarte, A, Maslov, M, Parra Diaz, F, Parail, V, Pawelec, E, Rimini, FG, Shaw, A, Siren, P, Szepesi, G, Štancar, Tholerus, E, Vartanian, S, Viola, B & Weisen, H 2021, 'L-H transition threshold studies in helium plasmas at JET', Nuclear Fusion, vol. 61, no. 12, 124001. https://doi.org/10.1088/1741-4326/ac2b76

TY - JOUR

T1 - L-H transition threshold studies in helium plasmas at JET

AU - Solano, E. R.

AU - Birkenmeier, G.

AU - Delabie, E.

AU - Silva, C.

AU - Hillesheim, J. C.

AU - Boboc, A.

AU - Carvalho, I. S.

AU - Carvalho, P.

AU - Chernyshova, M.

AU - Craciunescu, T.

AU - De La Luna, E.

AU - Fontdecaba, J. M.

AU - Henriques, R.

AU - Jacquet, P.

AU - Jepu, I.

AU - Kappatou, A.

AU - King, D.

AU - Lennholm, M.

AU - Lerche, E.

AU - Litherland-Smith, E.

AU - Loarte, A.

AU - Maslov, M.

AU - Parra Diaz, F.

AU - Parail, V.

AU - Pawelec, E.

AU - Rimini, F. G.

AU - Shaw, A.

AU - Siren, P.

AU - Szepesi, G.

AU - Štancar,

AU - Tholerus, E.

AU - Vartanian, S.

AU - Viola, B.

AU - Weisen, H.

PY - 2021/12

Y1 - 2021/12

N2 - We present a study of the power threshold for L-H transitions (P LH) in almost pure helium plasmas, obtained in recent experiments at JET with an ITER-like wall (Be wall and W divertor). The most notable new result is that the density at which P LH is minimum, is considerably higher for helium than for deuterium and hydrogen plasmas. We discuss the possible implications for ITER in its pre-fusion operating power phase.

AB - We present a study of the power threshold for L-H transitions (P LH) in almost pure helium plasmas, obtained in recent experiments at JET with an ITER-like wall (Be wall and W divertor). The most notable new result is that the density at which P LH is minimum, is considerably higher for helium than for deuterium and hydrogen plasmas. We discuss the possible implications for ITER in its pre-fusion operating power phase.

UR - https://www.scopus.com/pages/publications/85118504590

U2 - 10.1088/1741-4326/ac2b76

DO - 10.1088/1741-4326/ac2b76

M3 - Article

AN - SCOPUS:85118504590

SN - 0029-5515

VL - 61

JO - Nuclear Fusion

JF - Nuclear Fusion

IS - 12

M1 - 124001

ER -

L-H transition threshold studies in helium plasmas at JET

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