IMPURITY TRANSPORT IN THE DIVERTOR OF THE ALCATOR C-MOD TOKAMAK

被引：8
|
作者：
MCCRACKEN, GM
BOMBARDA, F
GRAF, M
GOETZ, JA
JABLONSKI, D
KURZ, C
LABOMBARD, B
LIPSCHULTZ, B
RICE, J
WELCH, B
机构：
[1] Plasma Fusion Center, Massachusetts Institute of Technology, Cambridge, Massachusetts
来源：
JOURNAL OF NUCLEAR MATERIALS | 1995年 / 220卷
关键词：
D O I：
10.1016/0022-3115(94)00425-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Argon has been injected into the private flux zone of the Alcator C-Mod divertor and its transport into the confined plasma studied. The injected gas pulse lasts for about 200 ms, but the impurity concentration increases to an equilibrium level and remains there for similar to 200 ms. It is clear that the argon is acting as a recycling impurity. Nevertheless it has been observed that less than 0.5% of the injected atoms reach the confined plasma and that the percentage decreases with increasing plasma density. The good impurity screening is discussed in terms of the ionisation mean free path in the divertor.
引用
收藏
页码：264 / 268
页数：5
相关论文
共 50 条
  • [31] ICRF heating in the Alcator C-Mod tokamak
    Golovato, SN
    Porkolab, M
    Takase, Y
    Boivin, R
    Bombarda, F
    Bonoli, P
    Christensen, C
    Fiore, C
    Garnier, D
    Goetz, J
    Graf, M
    Granetz, R
    Greenwald, M
    Horne, S
    Hubbard, A
    Hutchinson, I
    Irby, J
    Jablonski, D
    Kurz, C
    LaBombard, B
    Lipschultz, B
    Marmar, E
    May, M
    Mazurenko, A
    McCracken, G
    Niemczewski, A
    OShea, P
    Reardon, J
    Rice, J
    Rost, C
    Schachter, J
    Snipes, JA
    Stek, P
    Terry, J
    Watterson, R
    Welch, B
    Wolfe, S
    ELEVENTH TOPICAL CONFERENCE ON RADIO FREQUENCY POWER IN PLASMAS, 1996, (355): : 23 - 30
  • [32] Particle drift effects on the Alcator C-Mod divertor
    Hutchinson, IH
    Goetz, JA
    Jablonski, DF
    LaBombard, BL
    Lipschultz, B
    McCracken, GM
    Snipes, JA
    Terry, JL
    Allen, AJ
    Boivin, RL
    Bonoli, PT
    Fiore, CL
    Granetz, RS
    Greenwald, MJ
    Hubbard, AE
    Marmar, ES
    Porkolab, M
    Rice, JE
    Takase, Y
    Wolfe, SM
    PLASMA PHYSICS AND CONTROLLED FUSION, 1996, 38 (12A) : A301 - A309
  • [33] The effect of baffling on divertor leakage in Alcator C-Mod
    Pitcher, CS
    Boswell, CJ
    Chung, T
    Goetz, JA
    LaBombard, B
    Lipschultz, B
    Rice, JE
    Stotler, DP
    Terry, JL
    JOURNAL OF NUCLEAR MATERIALS, 2001, 290 : 812 - 819
  • [34] Modeling of Alcator C-Mod divertor baffling experiments
    Stotler, DP
    Pitcher, CS
    Boswell, CJ
    Chung, TK
    LaBombard, B
    Lipschultz, B
    Terry, JL
    Kanzleiter, RJ
    JOURNAL OF NUCLEAR MATERIALS, 2001, 290 : 967 - 971
  • [35] Modification and control of divertor detachment in Alcator C-Mod
    Lipschultz, B
    Goetz, JA
    LaBombard, B
    McCracken, GM
    Ohkawa, H
    Takase, Y
    Terry, JL
    JOURNAL OF NUCLEAR MATERIALS, 1997, 241 : 771 - 776
  • [36] The effect of divertor baffling on Alcator C-Mod discharges
    Pitcher, CS
    Boswell, CJ
    Goetz, JA
    LaBombard, B
    Lipschultz, B
    Rice, JE
    Terry, JL
    PHYSICS OF PLASMAS, 2000, 7 (05) : 1894 - 1903
  • [37] The effects of field reversal on the Alcator C-Mod divertor
    Hutchinson, IH
    LaBombard, B
    Goetz, JA
    Lipschultz, B
    McCracken, GM
    Snipes, JA
    Terry, JL
    PLASMA PHYSICS AND CONTROLLED FUSION, 1995, 37 (12) : 1389 - 1406
  • [38] A study of tungsten migration in the Alcator C-Mod divertor
    Barnard, H. S.
    Lipschultz, B.
    Whyte, D. G.
    JOURNAL OF NUCLEAR MATERIALS, 2011, 415 (01) : S301 - S304
  • [39] Transport studies in the scrape-off layer and divertor of Alcator C-Mod
    LaBombard, B
    Goetz, JA
    Hutchinson, IH
    Jablonski, D
    Kesner, J
    Kurz, C
    Lipschultz, B
    McCracken, GM
    Niemczewski, A
    Terry, JL
    Allen, A
    Boivin, RL
    Bombarda, F
    Bonoli, PT
    Christensen, C
    Fiore, CL
    Garnier, DT
    Golovato, SN
    Granetz, RS
    Greenwald, MJ
    Horne, SF
    Hubbard, AE
    Irby, JH
    Lo, D
    Lumma, D
    Marmar, ES
    May, M
    Mazurenko, A
    Nachtrieb, R
    Ohkawa, H
    O'Shea, P
    Porkolab, M
    Reardon, J
    Rice, J
    Rost, JC
    Schachter, J
    Snipes, JA
    Sorci, J
    Stek, P
    Takase, Y
    Wang, Y
    Watterson, RL
    Weaver, J
    Welch, B
    Wolfe, SM
    FUSION ENERGY 1996, VOL 1, 1997, : 825 - 831
  • [40] Kinetic simulation of parallel transport and ELM propagation in the Alcator C-Mod tokamak
    Batishchev, OV
    Batishcheva, AA
    Catto, PJ
    Krasheninnikov, SI
    LaBombard, B
    Lipschultz, B
    Sigmar, DJ
    JOURNAL OF NUCLEAR MATERIALS, 1997, 241 : 374 - 378
12345