Poloidal distribution of recycling sources and core plasma fueling in DIII-D, ASDEX-Upgrade and JET L-mode plasmas

M. Groth; G. D. Porter; T. D. Rognlien; S. Wiesen; M. Wischmeier; M. N.A. Beurskens; X. Bonnin; B. D. Bray; S. Brezinsek; N. H. Brooks; D. P. Coster; T. Eich; M. E. Fenstermacher; C. Fuchs; R. A. Groebner; D. Harting; A. Huber; S. Jachmich; A. Kallenbach; C. J. Lasnier; A. W. Leonard; A. Meigs; H. W. Müller; M. E. Rensink; D. L. Rudakov; J. G. Watkins; E. Wolfrum

doi:10.1088/0741-3335/53/12/124017

Poloidal distribution of recycling sources and core plasma fueling in DIII-D, ASDEX-Upgrade and JET L-mode plasmas

M. Groth, G. D. Porter, T. D. Rognlien, S. Wiesen, M. Wischmeier, M. N.A. Beurskens, X. Bonnin, B. D. Bray, S. Brezinsek, N. H. Brooks, D. P. Coster, T. Eich, M. E. Fenstermacher, C. Fuchs, R. A. Groebner, D. Harting, A. Huber, S. Jachmich, A. Kallenbach, C. J. LasnierA. W. Leonard, A. Meigs, H. W. Müller, M. E. Rensink, D. L. Rudakov, J. G. Watkins, E. Wolfrum

Laboratory for Plasma Physics

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Abstract

Deuterium fueling profiles across the separatrix have been calculated with the edge fluid codes UEDGE, SOLPS and EDGE2D/EIRENE for lower single null, ohmic and low-confinement plasmas in DIII-D, ASDEX Upgrade and JET. The fueling profiles generally peak near the divertor x-point, and broader profiles are predicted for the open divertor geometry and horizontal targets in DIII-D than for the more closed geometries and vertical targets in AUG and JET. Significant fueling from the low-field side midplane may also occur when assuming strong radial ion transport in the far scrape-off layer. The dependence of the fueling profiles on upstream density is investigated for all three devices, and between the different codes for a single device. The validity of the predictions is assessed for the DIII-D configuration by comparing the measured ion current to the main chamber walls at the low-field side and divertor targets, and deuterium emission profiles across the divertor legs, and the high-field and low-field side midplane regions to those calculated by UEDGE and SOLPS.

Original language	English
Article number	124017
Journal	Plasma Physics and Controlled Fusion
Volume	53
Issue number	12
DOIs	https://doi.org/10.1088/0741-3335/53/12/124017
Publication status	Published - Dec 2011

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Groth, M., Porter, G. D., Rognlien, T. D., Wiesen, S., Wischmeier, M., Beurskens, M. N. A., Bonnin, X., Bray, B. D., Brezinsek, S., Brooks, N. H., Coster, D. P., Eich, T., Fenstermacher, M. E., Fuchs, C., Groebner, R. A., Harting, D., Huber, A., Jachmich, S., Kallenbach, A., ... Wolfrum, E. (2011). Poloidal distribution of recycling sources and core plasma fueling in DIII-D, ASDEX-Upgrade and JET L-mode plasmas. Plasma Physics and Controlled Fusion, 53(12), Article 124017. https://doi.org/10.1088/0741-3335/53/12/124017

@article{8fda8c12e4ce47dbbaae8d7d14820e20,

title = "Poloidal distribution of recycling sources and core plasma fueling in DIII-D, ASDEX-Upgrade and JET L-mode plasmas",

abstract = "Deuterium fueling profiles across the separatrix have been calculated with the edge fluid codes UEDGE, SOLPS and EDGE2D/EIRENE for lower single null, ohmic and low-confinement plasmas in DIII-D, ASDEX Upgrade and JET. The fueling profiles generally peak near the divertor x-point, and broader profiles are predicted for the open divertor geometry and horizontal targets in DIII-D than for the more closed geometries and vertical targets in AUG and JET. Significant fueling from the low-field side midplane may also occur when assuming strong radial ion transport in the far scrape-off layer. The dependence of the fueling profiles on upstream density is investigated for all three devices, and between the different codes for a single device. The validity of the predictions is assessed for the DIII-D configuration by comparing the measured ion current to the main chamber walls at the low-field side and divertor targets, and deuterium emission profiles across the divertor legs, and the high-field and low-field side midplane regions to those calculated by UEDGE and SOLPS.",

author = "M. Groth and Porter, {G. D.} and Rognlien, {T. D.} and S. Wiesen and M. Wischmeier and Beurskens, {M. N.A.} and X. Bonnin and Bray, {B. D.} and S. Brezinsek and Brooks, {N. H.} and Coster, {D. P.} and T. Eich and Fenstermacher, {M. E.} and C. Fuchs and Groebner, {R. A.} and D. Harting and A. Huber and S. Jachmich and A. Kallenbach and Lasnier, {C. J.} and Leonard, {A. W.} and A. Meigs and M{\"u}ller, {H. W.} and Rensink, {M. E.} and Rudakov, {D. L.} and Watkins, {J. G.} and E. Wolfrum",

year = "2011",

month = dec,

doi = "10.1088/0741-3335/53/12/124017",

language = "English",

volume = "53",

journal = "Plasma Physics and Controlled Fusion",

issn = "0741-3335",

number = "12",

}

Groth, M, Porter, GD, Rognlien, TD, Wiesen, S, Wischmeier, M, Beurskens, MNA, Bonnin, X, Bray, BD, Brezinsek, S, Brooks, NH, Coster, DP, Eich, T, Fenstermacher, ME, Fuchs, C, Groebner, RA, Harting, D, Huber, A, Jachmich, S, Kallenbach, A, Lasnier, CJ, Leonard, AW, Meigs, A, Müller, HW, Rensink, ME, Rudakov, DL, Watkins, JG & Wolfrum, E 2011, 'Poloidal distribution of recycling sources and core plasma fueling in DIII-D, ASDEX-Upgrade and JET L-mode plasmas', Plasma Physics and Controlled Fusion, vol. 53, no. 12, 124017. https://doi.org/10.1088/0741-3335/53/12/124017

TY - JOUR

T1 - Poloidal distribution of recycling sources and core plasma fueling in DIII-D, ASDEX-Upgrade and JET L-mode plasmas

AU - Groth, M.

AU - Porter, G. D.

AU - Rognlien, T. D.

AU - Wiesen, S.

AU - Wischmeier, M.

AU - Beurskens, M. N.A.

AU - Bonnin, X.

AU - Bray, B. D.

AU - Brezinsek, S.

AU - Brooks, N. H.

AU - Coster, D. P.

AU - Eich, T.

AU - Fenstermacher, M. E.

AU - Fuchs, C.

AU - Groebner, R. A.

AU - Harting, D.

AU - Huber, A.

AU - Jachmich, S.

AU - Kallenbach, A.

AU - Lasnier, C. J.

AU - Leonard, A. W.

AU - Meigs, A.

AU - Müller, H. W.

AU - Rensink, M. E.

AU - Rudakov, D. L.

AU - Watkins, J. G.

AU - Wolfrum, E.

PY - 2011/12

Y1 - 2011/12

N2 - Deuterium fueling profiles across the separatrix have been calculated with the edge fluid codes UEDGE, SOLPS and EDGE2D/EIRENE for lower single null, ohmic and low-confinement plasmas in DIII-D, ASDEX Upgrade and JET. The fueling profiles generally peak near the divertor x-point, and broader profiles are predicted for the open divertor geometry and horizontal targets in DIII-D than for the more closed geometries and vertical targets in AUG and JET. Significant fueling from the low-field side midplane may also occur when assuming strong radial ion transport in the far scrape-off layer. The dependence of the fueling profiles on upstream density is investigated for all three devices, and between the different codes for a single device. The validity of the predictions is assessed for the DIII-D configuration by comparing the measured ion current to the main chamber walls at the low-field side and divertor targets, and deuterium emission profiles across the divertor legs, and the high-field and low-field side midplane regions to those calculated by UEDGE and SOLPS.

AB - Deuterium fueling profiles across the separatrix have been calculated with the edge fluid codes UEDGE, SOLPS and EDGE2D/EIRENE for lower single null, ohmic and low-confinement plasmas in DIII-D, ASDEX Upgrade and JET. The fueling profiles generally peak near the divertor x-point, and broader profiles are predicted for the open divertor geometry and horizontal targets in DIII-D than for the more closed geometries and vertical targets in AUG and JET. Significant fueling from the low-field side midplane may also occur when assuming strong radial ion transport in the far scrape-off layer. The dependence of the fueling profiles on upstream density is investigated for all three devices, and between the different codes for a single device. The validity of the predictions is assessed for the DIII-D configuration by comparing the measured ion current to the main chamber walls at the low-field side and divertor targets, and deuterium emission profiles across the divertor legs, and the high-field and low-field side midplane regions to those calculated by UEDGE and SOLPS.

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DO - 10.1088/0741-3335/53/12/124017

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JO - Plasma Physics and Controlled Fusion

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ER -

Poloidal distribution of recycling sources and core plasma fueling in DIII-D, ASDEX-Upgrade and JET L-mode plasmas

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