Enhancement of Tokamak Fusion Test Reactor performance by lithium conditioning

被引:151
作者
Mansfield, DK
Hill, KW
Strachan, JD
Bell, MG
Scott, SD
Budny, R
Marmar, ES
Snipes, JA
Terry, JL
Batha, S
Bell, RE
Bitter, M
Bush, CE
Chang, Z
Darrow, DS
Ernst, D
Fredrickson, E
Grek, B
Herrmann, HW
Janos, A
Jassby, DL
Jobes, FC
Johnson, DW
Johnson, LC
Levinton, FM
Mikkelsen, DR
Mueller, D
Owens, DK
Park, H
Ramsey, AT
Roquemore, AL
Skinner, CH
Stevenson, T
Stratton, BC
Synakowski, E
Taylor, G
vonHalle, A
vonGoeler, S
Wong, KL
Zweben, SJ
机构
[1] Princeton Plasma Physics Laboratory, P.O. Box 451
关键词
BEAM INJECTION HEATING; DEUTERIUM; FUSION YIELD; LIMITERS; LITHIUM; PERFORMANCE; PLASMA CONFINEMENT; TFTR TOKAMAK; TRITIUM;
D O I
10.1063/1.871984
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
Wall conditioning in the Tokamak Fusion Test Reactor (TFTR) [K. M. McGuire et al., Phys. Plasmas 2, 2176 (1995)] by injection of lithium pellets into the plasma has resulted in large improvements in deuterium-tritium fusion power production (up to 10.7 MW), the Lawson triple product (up to 10(21) m(-3) s keV), and energy confinement time (up to 330 ms), The maximum plasma current for access to high-performance supershots has been increased from 1.9 to 2.7 MA, leading to stable operation at plasma stored energy values greater than 5 MJ. The amount of lithium on the limiter and the effectiveness of its action are maximized through (1) distributing the Li over the limiter surface by injection of four Li pellets into Ohmic plasmas of increasing major and minor radius, and (2) injection of four Li pellets into the Ohmic phase of supershot discharges before neutral-beam heating is begun. (C) 1996 American Institute of Physics.
引用
收藏
页码:1892 / 1897
页数:6
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