Strongly radiating type-III ELMy H-mode in JET - An integrated scenario for ITER

J. Rapp; G. F. Matthews; P. Monier-Garbet; R. Sartori; Y. Corre; T. Eich; R. Felton; W. Fundamenski; C. Giroud; A. Huber; S. Jachmich; P. Morgan; M. O'Mullane; H. R. Koslowski; M. Stamp

doi:10.1016/j.jnucmat.2004.10.157

Strongly radiating type-III ELMy H-mode in JET - An integrated scenario for ITER

J. Rapp, G. F. Matthews, P. Monier-Garbet, R. Sartori, Y. Corre, T. Eich, R. Felton, W. Fundamenski, C. Giroud, A. Huber, S. Jachmich, P. Morgan, M. O'Mullane, H. R. Koslowski, M. Stamp

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

45 Scopus citations

Abstract

As solution to the problems of transient and steady state energy exhaust the type-III ELMy H-mode is proposed. In recent experiments at JET it has been demonstrated that with seeding of nitrogen a radiative power fraction of 95% can be achieved, reducing the steady state and transient heat flux to acceptable values. Though the confinement of these discharges is reduced as well. Nevertheless, the ITER operational domain for Q = 10 does foresee operation at confinement enhancement factors of H_98(y,2) ≈ 0.78 at higher plasma currents (I_p = 17 MA). It has been demonstrated at JET that an integrated scenario with type-III ELMs is feasible.

Original language	English
Pages (from-to)	826-830
Number of pages	5
Journal	Journal of Nuclear Materials
Volume	337-339
Issue number	1-3 SPEC. ISS.
DOIs	https://doi.org/10.1016/j.jnucmat.2004.10.157
State	Published - Mar 1 2005
Externally published	Yes

Keywords

Divertor geometry
Divertor plasma
ELM
Energy confinement
ITER
Impurity sources
JET
Radiation

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.jnucmat.2004.10.157

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Rapp, J., Matthews, G. F., Monier-Garbet, P., Sartori, R., Corre, Y., Eich, T., Felton, R., Fundamenski, W., Giroud, C., Huber, A., Jachmich, S., Morgan, P., O'Mullane, M., Koslowski, H. R., & Stamp, M. (2005). Strongly radiating type-III ELMy H-mode in JET - An integrated scenario for ITER. Journal of Nuclear Materials, 337-339(1-3 SPEC. ISS.), 826-830. https://doi.org/10.1016/j.jnucmat.2004.10.157

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title = "Strongly radiating type-III ELMy H-mode in JET - An integrated scenario for ITER",

abstract = "As solution to the problems of transient and steady state energy exhaust the type-III ELMy H-mode is proposed. In recent experiments at JET it has been demonstrated that with seeding of nitrogen a radiative power fraction of 95% can be achieved, reducing the steady state and transient heat flux to acceptable values. Though the confinement of these discharges is reduced as well. Nevertheless, the ITER operational domain for Q = 10 does foresee operation at confinement enhancement factors of H98(y,2) ≈ 0.78 at higher plasma currents (Ip = 17 MA). It has been demonstrated at JET that an integrated scenario with type-III ELMs is feasible.",

keywords = "Divertor geometry, Divertor plasma, ELM, Energy confinement, ITER, Impurity sources, JET, Radiation",

author = "J. Rapp and Matthews, {G. F.} and P. Monier-Garbet and R. Sartori and Y. Corre and T. Eich and R. Felton and W. Fundamenski and C. Giroud and A. Huber and S. Jachmich and P. Morgan and M. O'Mullane and Koslowski, {H. R.} and M. Stamp",

year = "2005",

month = mar,

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doi = "10.1016/j.jnucmat.2004.10.157",

language = "English",

volume = "337-339",

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Rapp, J, Matthews, GF, Monier-Garbet, P, Sartori, R, Corre, Y, Eich, T, Felton, R, Fundamenski, W, Giroud, C, Huber, A, Jachmich, S, Morgan, P, O'Mullane, M, Koslowski, HR & Stamp, M 2005, 'Strongly radiating type-III ELMy H-mode in JET - An integrated scenario for ITER', Journal of Nuclear Materials, vol. 337-339, no. 1-3 SPEC. ISS., pp. 826-830. https://doi.org/10.1016/j.jnucmat.2004.10.157

TY - JOUR

T1 - Strongly radiating type-III ELMy H-mode in JET - An integrated scenario for ITER

AU - Rapp, J.

AU - Matthews, G. F.

AU - Monier-Garbet, P.

AU - Sartori, R.

AU - Corre, Y.

AU - Eich, T.

AU - Felton, R.

AU - Fundamenski, W.

AU - Giroud, C.

AU - Huber, A.

AU - Jachmich, S.

AU - Morgan, P.

AU - O'Mullane, M.

AU - Koslowski, H. R.

AU - Stamp, M.

PY - 2005/3/1

Y1 - 2005/3/1

N2 - As solution to the problems of transient and steady state energy exhaust the type-III ELMy H-mode is proposed. In recent experiments at JET it has been demonstrated that with seeding of nitrogen a radiative power fraction of 95% can be achieved, reducing the steady state and transient heat flux to acceptable values. Though the confinement of these discharges is reduced as well. Nevertheless, the ITER operational domain for Q = 10 does foresee operation at confinement enhancement factors of H98(y,2) ≈ 0.78 at higher plasma currents (Ip = 17 MA). It has been demonstrated at JET that an integrated scenario with type-III ELMs is feasible.

AB - As solution to the problems of transient and steady state energy exhaust the type-III ELMy H-mode is proposed. In recent experiments at JET it has been demonstrated that with seeding of nitrogen a radiative power fraction of 95% can be achieved, reducing the steady state and transient heat flux to acceptable values. Though the confinement of these discharges is reduced as well. Nevertheless, the ITER operational domain for Q = 10 does foresee operation at confinement enhancement factors of H98(y,2) ≈ 0.78 at higher plasma currents (Ip = 17 MA). It has been demonstrated at JET that an integrated scenario with type-III ELMs is feasible.

KW - Divertor geometry

KW - Divertor plasma

KW - ELM

KW - Energy confinement

KW - ITER

KW - Impurity sources

KW - JET

KW - Radiation

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U2 - 10.1016/j.jnucmat.2004.10.157

DO - 10.1016/j.jnucmat.2004.10.157

M3 - Article

AN - SCOPUS:13844314537

SN - 0022-3115

VL - 337-339

SP - 826

EP - 830

JO - Journal of Nuclear Materials

JF - Journal of Nuclear Materials

IS - 1-3 SPEC. ISS.

ER -

Strongly radiating type-III ELMy H-mode in JET - An integrated scenario for ITER

Abstract

Keywords

UN SDGs

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