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TJ-II:Dependence of NBI-driven Alfvén Eigenmodes on NBI energy and power: Difference between revisions
TJ-II:Dependence of NBI-driven Alfvén Eigenmodes on NBI energy and power (view source)
Revision as of 14:02, 22 March 2018
, 22 March 2018→Description of the activity, including motivation/objectives and experience of the proponent (typically one-two pages)
m (Admin moved page Dependence of NBI-driven Alfvén Eigenmodes on NBI energy and power to TJ-II:Dependence of NBI-driven Alfvén Eigenmodes on NBI energy and power without leaving a redirect) |
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the NBI phase in order to control the plasma density. | the NBI phase in order to control the plasma density. | ||
*Target plasma using ECRH, then ECRH is switched off and only used if good density control is not achieved. | *Target plasma using ECRH, then ECRH is switched off and only used if good density control is not achieved. | ||
*Three different values of NBI power shall be used, using the same power in both injectors and the same voltage-current pair. | *Three different values of NBI power shall be used, using the same power in both injectors and the same voltage-current pair. | ||
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constant plasma current which ideally should mainly come from the bootstrap contribution. | constant plasma current which ideally should mainly come from the bootstrap contribution. | ||
*Two reproducible shots per voltage | *Two reproducible shots per voltage. Alternatively, the length of one of the beams may be 20-30 ms shorter than the | ||
other one in order to isolate the mode excitation that corresponds to each beam and identify which beam drives which modes. | |||
*24 shots in total. One day of operation. | *24 shots in total. One day of operation. | ||