TJ-II: Two dimensional distribution of plasma potential and density: Difference between revisions
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== Description of the activity == | == Description of the activity == | ||
The first experiments aimed at obtaining the 2D distribution of plasma potential were performed in TJ-II using Heavy Ion Beam Probe (HIBP) with the variation of two parameters: plasma entrance angle and the energy of the Cs+ probing beam in the range 128-148 keV <ref>R. Sharma et al., Physics of Plasmas 27, 062502 (2020)</ref>. | |||
During 2019-20 the dual HIBP system has been used to experimentally characterize the 2D structures of plasma potential and density mean-value distributions and fluctuations in TJ-II mapped by varying the beam energy in a wider range 100 -150 keV. | |||
The goal of this proposal is to expand the HIBP energy range [80 - 200 keV] to explore the whole TJ-II poloidal cross-section. | |||
== International or National funding project or entity == | == International or National funding project or entity == | ||
Revision as of 12:02, 14 January 2021
Experimental campaign
2021
Proposal title
TJ-II: Two dimensional distribution of plasma potential and density
Name and affiliation of proponent
Enter name and affiliation here
Kutchatov HIBP team
Kharkov HIBP team
Ciemat team
Details of contact person at LNF
If applicable, enter contact person here or write N/A
Description of the activity
The first experiments aimed at obtaining the 2D distribution of plasma potential were performed in TJ-II using Heavy Ion Beam Probe (HIBP) with the variation of two parameters: plasma entrance angle and the energy of the Cs+ probing beam in the range 128-148 keV [1].
During 2019-20 the dual HIBP system has been used to experimentally characterize the 2D structures of plasma potential and density mean-value distributions and fluctuations in TJ-II mapped by varying the beam energy in a wider range 100 -150 keV.
The goal of this proposal is to expand the HIBP energy range [80 - 200 keV] to explore the whole TJ-II poloidal cross-section.
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)
References
- ↑ R. Sharma et al., Physics of Plasmas 27, 062502 (2020)