345
edits
(8 intermediate revisions by 2 users not shown) | |||
Line 6: | Line 6: | ||
== Name and affiliation of proponent == | == Name and affiliation of proponent == | ||
Kutchatov HIBP team | Kutchatov HIBP team | ||
Line 18: | Line 17: | ||
== 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 2021 HIBP was extended to 176 keV with a beam current up to 300 μA <ref>A. Melnikov et al., PPCF (2021) submitted</ref> | |||
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 == | ||
Line 24: | Line 29: | ||
== Description of required resources == | == Description of required resources == | ||
Required resources: | |||
Required resources: | |||
• Number of days of operation: 2 | |||
• Essential diagnostic systems: Dual HIBP [May / June] | |||
• Type of plasmas (heating configuration): ECRH & NBI | |||
• Wall conditioning: Sufficient density control for good reproducibility in NBI plasmas. | |||
== Preferred dates and degree of flexibility == | == Preferred dates and degree of flexibility == | ||
Line 43: | Line 51: | ||
[[Category:TJ-II internal documents]] | [[Category:TJ-II internal documents]] | ||
[[Category:TJ-II experimental proposals 2021]] | [[Category:TJ-II experimental proposals Spring 2021]] |
edits