Experimental observation of rf driven plasma flow in the phaedrus-T tokamak

被引:25
作者
Wukitch, S [1 ]
Litwin, C [1 ]
Harper, M [1 ]
Parker, R [1 ]
Hershkowitz, N [1 ]
机构
[1] UNIV WISCONSIN,DEPT NUCL ENGN & ENGN PHYS,MADISON,WI 53706
关键词
D O I
10.1103/PhysRevLett.77.294
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
We have observed frequency shifts of the 2/1 tearing mode in a tokamak that are consistent with injecting momentum with low frequency rf waves. The 2/1 frequency increased for current drive antenna phasing, decreased for anticurrent drive phasing, and was linear with rf power and driven current. The change in the toroidal velocities derived from the frequency shifts and the calculated rf momentum is consistent. The frequency change also increased with magnetic field, independent of antenna phasing. This is the first demonstration of modifying the 2/1 frequency through rf momentum input.
引用
收藏
页码:294 / 297
页数:4
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