Edge ion-to-electron temperature ratio in the Tore Supra tokamak

被引：55

作者：

Kocan, M. ^{[1
]}

Gunn, J. P. ^{[1
]}

Pascal, J-Y ^{[1
]}

Bonhomme, G. ^{[2
]}

Fenzi, C. ^{[1
]}

Gauthier, E. ^{[1
]}

Segui, J-L ^{[1
]}

机构：

[1] CEA, IRFM, F-13108 St Paul Les Durance, France

[2] Nancy Univ, F-54506 Vandoeuvre Les Nancy, France

来源：

PLASMA PHYSICS AND CONTROLLED FUSION | 2008年 / 50卷 / 12期

关键词：

D O I：

10.1088/0741-3335/50/12/125009

中图分类号：

O35 [流体力学]; O53 [等离子体物理学];

学科分类号：

070204 ; 080103 ; 080704 ;

摘要：

Both ion and electron temperatures in the scrape-off layer ( SOL) of the Tore Supra tokamak were measured by a retarding field analyzer during an ohmic density scan. SOL T-i was found to be higher than T-e by a factor of 4-7. The ion-to-electron temperature ratio tau decreases with increasing density. Core T-i and T-e measurements in Tore Supra combined with a multi-machine database of tau measurements show that tau > 1 also in the edge of the confined plasma and increases with radius.

引用

收藏

页数：10

相关论文

共 27 条

[1] SOL plasma profiles under radiative and detached divertor conditions in JT-60U [J].

Asakura, N ;

Koide, Y ;

Itami, K ;

Hosogane, N ;

Shimizu, K ;

TsujiIio, S ;

Sakurai, S ;

Sakasai, A .

JOURNAL OF NUCLEAR MATERIALS, 1997, 241 :559-563

[2] THE EFFECT OF A BIAS POTENTIAL ON DEUTERIUM TRAPPING IN THE CARBON THERMAL-DESORPTION PROBE ON DITE [J].

ERENTS, SK ;

STANGEBY, PC .

JOURNAL OF NUCLEAR MATERIALS, 1982, 111 (NOV-) :165-167

[3] A DC probe diagnostics for fast electron temperature measurements in tokamak edge plasmas [J].

Gunn, JP ;

Devynck, P ;

Pascal, JY ;

Adámek, J ;

Duran, I ;

Hron, M ;

Stöckel, J ;

Zácek, F ;

Barina, O ;

Hrach, R ;

Vicher, M ;

Van Oost, G .

CZECHOSLOVAK JOURNAL OF PHYSICS, 2002, 52 (10) :1107-1114

[4]

Guo H Y., 1996, Contrib. Plasma Phys, V36, P81, DOI [10.1002/ctpp.19960360113, DOI 10.1002/CTPP.19960360113]

[5]

HOTHKER K, 1990, REV SCI INSTRUM, V61, P114, DOI 10.1063/1.1141884

[6] Spectroscopic measurements of the ion temperature profile in front of a limiter in TEXTOR-94 [J].

Huber, A ;

Pospieszczyk, A ;

Unterberg, B ;

Brix, M ;

Mertens, P ;

Philipps, V ;

Schweer, B .

PLASMA PHYSICS AND CONTROLLED FUSION, 2000, 42 (05) :569-578

[7] A FLUID THEORY OF ION COLLECTION BY PROBES IN STRONG MAGNETIC-FIELDS WITH PLASMA-FLOW [J].

HUTCHINSON, IH .

PHYSICS OF FLUIDS, 1987, 30 (12) :3777-3781

[8] Progress toward steady-state operation on Tore Supra [J].

Jacquinot, J ;

Hoang, GT .

PLASMA SCIENCE & TECHNOLOGY, 2004, 6 (01) :2101-2108

[9] Simulation of the plasma-wall interaction in a tokamak with the Monte Carlo code ERO-TEXTOR [J].

Kirschner, A ;

Philipps, V ;

Winter, J ;

Kögler, U .

NUCLEAR FUSION, 2000, 40 (05) :989-1001

[10] Ion temperature measurements in the tokamak scrape-off layer [J].

Kocan, M. ;

Panek, R. ;

Stockel, J. ;

Hron, M. ;

Gunn, J. P. ;

Dejarnac, R. .

JOURNAL OF NUCLEAR MATERIALS, 2007, 363 (1436-1440) :1436-1440