TJ-II: Electric potential and turbulence studies with HIBP and LP via edge biasing: Difference between revisions

 
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== Name and affiliation of proponent ==
== Name and affiliation of proponent ==
A. Melnikov and T. Popov
A. Melnikov, Institute of Nuclear Fusion, RNC Kurchatov Institute, Moscow, Russia (email: melnikov_07@yahoo.com) and T. Popov, NIS at St. Kliment Ohridski University of Sofia, Sofia, Bulgaria: (email: tsvpopov@yahoo.com)


== Details of contact person at LNF ==
== Details of contact person at LNF ==
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(3) negative potential (low-to-high density, NBI, no ECRH)
(3) negative potential (low-to-high density, NBI, no ECRH)


An open question to be answered is the dependence of the biasing effect on the iota (strong rational values) – iota scan. At the moment – no idea how to realize. Scenario with iota-vac variation? It is expected to obtain knowledge of the evolution of core and edge plasma characteristics for modeling (transport models like ASTRA (Proposal by С. Gutierrez-Tapia et al), etc)
An open question to be answered is the dependence of the biasing effect on the iota (strong rational values) – iota scan. At the moment – no idea how to realize. Scenario with iota-vac variation? It is expected to obtain knowledge of the evolution of core and edge plasma characteristics for modeling.


<ref> C.Hidalgo et al, Improved confinement regimes induced by limiter biasing in the TJ-II stellarator PPCF 2003.</ref>
<ref> C.Hidalgo et al, Improved confinement regimes induced by limiter biasing in the TJ-II stellarator PPCF 2003.</ref>
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