TJ-II:Why fast particle electromagnetic induced stabilization in fusion plasmas?: Difference between revisions
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== Name and affiliation of proponent == | == Name and affiliation of proponent == | ||
CIEMAT, Kurchatov HIBP team, Kharkov HIBP team | |||
== Details of contact person at LNF == | == Details of contact person at LNF == | ||
Revision as of 08:30, 11 October 2019
Experimental campaign
2019 Autumn
Proposal title
Why fast particle electromagnetic induced stabilization in fusion plasmas?
Name and affiliation of proponent
CIEMAT, Kurchatov HIBP team, Kharkov HIBP team
Details of contact person at LNF
If applicable, enter contact person here or write N/A
Description of the activity
Fast ions have been found to impact plasma confinement [1]. Understanding the underlying physics is an essential task for future fusion reactors where plasmas will be dominated by fast particle dynamics. In particular, non-linear excitations of zonal structures by fast particle driven modes are predicted to play an important role on the nonlinear dynamics of AEs and related transport [2].
Non-linear coupling between AEs and low frequency zonal flows have been reported in TJ-II using Doppler reflectometry [[3]] and HIBP measurements.
The goal is to address the following questions:
1. Relation between fast particle driven modes and zonal structures: Is there any evidence of Zonal Flows (i.e. electric fields) or / and Zonal Fields (i.e. magnetic fields) driven by fast particles?. If yes, do they play any role on thermal transport Impact?
2. Non-linear interplay between high (AEs) and low frequency modes: do they play any role in the non-linear saturation mechanisms of AEs?
International or National funding project or entity
If applicable, enter funding here or write N/A
Description of required resources
Required resources:
- Number of plasma discharges or days of operation:
- Essential diagnostic systems:
- Type of plasmas (heating configuration):
- Specific requirements on wall conditioning if any:
- External users: need a local computer account for data access: yes/no
- Any external equipment to be integrated? Provide description and integration needs:
Preferred dates and degree of flexibility
Preferred dates: (format dd-mm-yyyy)