Brown, M. R. and Bellan, P. M. (1990) Current drive by spheromak injection into a tokamak. Physical Review Letters, 64 (18). pp. 2144-2147. ISSN 0031-9007 http://resolver.caltech.edu/CaltechAUTHORS:BROprl90
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Abstract
We report the first observation of current drive by injection of a spheromak plasma into a tokamak (Caltech ENCORE small reasearch tokamak) due to the process of helicity injection. After an abrupt 30% increase, the tokamak current decays by a factor of 3 due to plasma cooling caused by the merging of the relatively cold spheromak with the tokamak. The tokamak density profile peaks sharply due to the injected spheromak plasma (n¯3 increases by a factor of 6) then becomes hollow, suggestive of an interchange instability.
| Item Type: | Article |
|---|---|
| Additional Information: | ©1990 The American Physical Society. Received 5 October 1989. This work was performed under DOE Grant No. DE-FG03-86ER53232. M.R.B. is a U.S. DOE Fusion Energy Postdoctoral Research Fellow. |
| Record Number: | CaltechAUTHORS:BROprl90 |
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:BROprl90 |
| Alternative URL: | http://dx.doi.org/10.1103/PhysRevLett.64.2144 |
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. |
| ID Code: | 9335 |
| Collection: | CaltechAUTHORS |
| Deposited By: | Archive Administrator |
| Deposited On: | 13 Dec 2007 |
| Last Modified: | 26 Dec 2012 09:47 |
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