TJ-II: Searching for AEs suppression scenarios using off-axis ECCD: Difference between revisions

TJ-II: Searching for AEs suppression scenarios using off-axis ECCD (view source)

30 bytes added , 16 October 2019

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 Until now, only ECCD on-axis has been investigated. We will now try to modify the rotational transform profile by inducing ECCD off-axis with
 different levels of power at different plasma radius. The heating power set-up shown in figure 1 will allow
-us to investigate the effect of ECCD with different combinations of ECH1 beam power and ECCD efficiency.
+us to investigate the effect of ECCD using different combinations of ECH1 beam power and ECCD efficiency.
-With this set-up, lauching ECH2 power with <math>n_{||}=0</math> , only a small amount of ECCD current will be induced during the ECRH phase
+With this set-up, launching ECH2 power with <math>n_{||}=0</math> , only a small amount of ECCD current will be induced by the
-while the larger amount of ECCD generated by ECH1 beam will be induced during the NBI phase. For stability purposes ECH1 must be working at low power from the begginning of the shot until higher power is requested.
+ECH1 beam during the ECRH phase while the larger amount of ECCD will be induced during the NBI phase by increasing the ECH1 beam power. For stability purposes ECH1 must be working at low power from the begginning of the shot until higher power is requested.
 == Description of required resources ==