Snowflake Divertor Plasmas on TCV

Starting from a standard single null X-point configuration, a second order null divertor (snowflake (SF)) has been successfully created on the Tokamak a Configuration Variable (TCV) tokamak. The magnetic properties of this innovative configuration have been analysed and compared with a standard X-point configuration. For the SF divertor, the connection length and the flux expansion close to the separatrix exceed those of the standard X-point by more than a factor of 2. The magnetic shear in the plasma edge is also larger for the SF configuration.


Published in:
Europhysics Conference Abstracts, 33E, P-2.141
Presented at:
36th European Physical Society Conference on Plasma Physics, Sofia, Bulgaria, 29 June - 03 July 2009
Year:
2009
Publisher:
EPS
Keywords:
Laboratories:
SPC
CRPP




 Record created 2010-05-03, last modified 2018-01-28

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