TJ-II:Radiation asymmetries and potential variations: Difference between revisions

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In the present experiment the analysis of the radial profiles and time evolution of the plasma emissivity using the TJ-II bolometry  
In the present experiment the analysis of the radial profiles and time evolution of the plasma emissivity using the TJ-II bolometry  
system <ref> M. A. Ochando ''et al.'' ''Up-down and in-out asymmetry monitoring based on broadband radiation detectors'' Fusion Sci. and Technol. '''50''' 313 (2006) </ref> after the inyection  
system <ref> M. A. Ochando ''et al.'' ''Up-down and in-out asymmetry monitoring based on broadband radiation detectors'' Fusion Sci. and Technol. '''50''' 313 (2006) </ref> after the inyection  
of some selected impurities by gas puffing is proposed. The experiment aims at studying the above-mentioned link between the radially assymetric
of some selected impurities by gas puffing is proposed. The experiment aims at studying the relation between the radially asymmetric
emissivity and the measured and predicted <math>\Phi_1</math>. The measurement and evolution of <math>\Phi_1</math> will be tracked  
emissivity and the measured and predicted <math>\Phi_1</math> and compare this with the case where <math>\Phi_1</math> is neglected.  
<ref> J. A. Alonso ''et al.'' ''Parallel impurity dynamics in the TJ-II stellarator'' Plasma Phys. Control. Fusion. '''58'''(7) (2016).
The measurement and evolution of <math>\Phi_1</math> will be tracked  
during the discharges using the duplicated Langmuir probe system plasma floating potential measurements.  
during the discharges using the duplicated Langmuir probe system plasma floating potential measurements.  
Numerical calculations of <math>\Phi_1</math> will be carried out with the neoclassical version of the code EUTERPE
Numerical calculations of <math>\Phi_1</math> will be carried out with the neoclassical version of the code EUTERPE
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