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TJ-II:Potential asymmetries at low magnetic field: Difference between revisions
TJ-II:Potential asymmetries at low magnetic field (view source)
Revision as of 15:08, 27 January 2017
, 27 January 2017→Description of the activity, including motivation/objectives and experience of the proponent (typically one-two pages)
Jose.regana (talk | contribs) (Created page with "== Experimental campaign == 2017 Spring == Proposal title == '''Potential asymmetries at low magnetic field''' == Name and affiliation of proponent == José M García Regañ...") |
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== Description of the activity, including motivation/objectives and experience of the proponent (typically one-two pages)== | == Description of the activity, including motivation/objectives and experience of the proponent (typically one-two pages)== | ||
'''Background''': Recent measurements in TJ-II have shown a qualitative good agreement between numerically predicted and measured potential variations in | '''Background''': Recent measurements in TJ-II have shown a qualitative good agreement between numerically predicted and measured potential variations in NBI ion-root conditions | ||
<ref>B Liu ''et al.'' ''Direct experimental evidence of potential asymmetry in magnetic flux surfaces in stellarators'' to be submitted (2017) </ref>. | <ref>B Liu ''et al.'' ''Direct experimental evidence of potential asymmetry in magnetic flux surfaces in stellarators'' to be submitted (2017) </ref>. | ||
Experiments and simulations have shown similar scaling with the electron temperature <math>T_{e}</math> and comparable phase difference between the measured and calculated values of the potential at two distant positions of the same flux surface. Heuristically, these variations can be shown to scale independently on <math>B</math> since the magnetic and <math>E_r\times B</math> | Experiments and simulations have shown similar scaling with the electron temperature <math>T_{e}</math> and comparable phase difference between the measured and calculated values of the potential at two distant positions of the same flux surface. Heuristically, these variations can be shown to scale independently on <math>B</math> since the magnetic and <math>E_r\times B</math> | ||