TJ-II: On the search of Zonal Flows and the influence of Alfvén Eigenmodes in the TJ-II stellarator

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Experimental campaign

Spring 2022

Proposal title

TJ-II: On the search of core Zonal Flows and the influence of Alfvén Eigenmodes in the TJ-II stellarator

Name and affiliation of proponent

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John Doe, University of Ivory Tower

Details of contact person at LNF

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Description of the activity

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The main focus of this work is the experimental search of zonal flows and the possible influence of fast particle driven modes in the dynamics of zonal flows in the plasma core region of fusion plasmas. In this study both HIBP-I and HIBP-II systems will operate in scanning and fixed point mode to determine plasma profiles as well as plasma potential and density fluctuations in an specific radial location. This unique set-up permits the simultaneous investigation of the radial structure of fluctuations and long-range correlated scales in the whole plasma poloidal cross-section in the TJ-II stellarator.

International or National funding project or entity

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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

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References

  1. A. Einstein, Journal of Exceptional Results (2017)

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