TJ-II: Commissioning of the new helical arrays of magnetic coils: Difference between revisions
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== Description of the activity == | == Description of the activity == | ||
A new magnetic coil system consisting of two helical arrays of triple magnetic coils has been recently installed inside the TJ-II vacuum vessel <ref>Measurements of magnetic fluctuations in TJ-II plasmas with new in-vessel helical arrays of magnetic coils (in preparation; to be sent to Review Scientific Instruments)</ref>. It covers densely sector D of the device. | |||
This proposal requests machine time with NBI plasmas in order to detect NBI-driven Alfvén modes, measure phase differences and figure out the corresponding toroidal mode numbers. | This proposal requests machine time with NBI plasmas in order to detect NBI-driven Alfvén modes, measure phase differences and figure out the corresponding toroidal mode numbers. | ||
A new magnetic coil system consisting of two helical arrays of triple magnetic coils has been recently installed inside the TJ-II vacuum vessel. | |||
== International or National funding project or entity == | == International or National funding project or entity == | ||
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MICINN grant FIS2017-88892-P (FLOTURALTWEN Estudio experimental en TJ-II y W7-X) | MICINN grant FIS2017-88892-P (FLOTURALTWEN Estudio experimental en TJ-II y W7-X) | ||
Clave funcionaL 1P349 | Clave funcionaL 1P349 | ||
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== Preferred dates and degree of flexibility == | == Preferred dates and degree of flexibility == | ||
Preferred dates: (format dd-mm-yyyy) | Preferred dates: (format dd-mm-yyyy) | ||
No special request | |||
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== References == | == References == | ||
<references /> | <references /> | ||
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[[Category:TJ-II internal documents]] | [[Category:TJ-II internal documents]] | ||
[[Category:TJ-II experimental proposals 2021]] | [[Category:TJ-II experimental proposals Spring 2021]] | ||
Latest revision as of 10:35, 18 February 2021
Experimental campaign
Spring 2021
Proposal title
Commissioning of the new helical arrays of magnetic coils
Name and affiliation of proponent
Enrique Ascasíbar, Álvaro Cappa, Pedro Pons
Details of contact person at LNF
Enrique Ascasíbar
Description of the activity
A new magnetic coil system consisting of two helical arrays of triple magnetic coils has been recently installed inside the TJ-II vacuum vessel [1]. It covers densely sector D of the device.
This proposal requests machine time with NBI plasmas in order to detect NBI-driven Alfvén modes, measure phase differences and figure out the corresponding toroidal mode numbers. A new magnetic coil system consisting of two helical arrays of triple magnetic coils has been recently installed inside the TJ-II vacuum vessel.
International or National funding project or entity
National funded project:
MICINN grant FIS2017-88892-P (FLOTURALTWEN Estudio experimental en TJ-II y W7-X)
Clave funcionaL 1P349
Description of required resources
Required resources:
- Number of plasma discharges or days of operation: One day
- Essential diagnostic systems: All the standard diagnostics
- Type of plasmas (heating configuration): ECRH + NBI
- Specific requirements on wall conditioning if any: Good density control (necessary condition for relatively long AEs). This request implies usually freshly conditioned wall (B+Li)
- 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)
No special request
References
- ↑ Measurements of magnetic fluctuations in TJ-II plasmas with new in-vessel helical arrays of magnetic coils (in preparation; to be sent to Review Scientific Instruments)