4,378
edits
TJ-II:Potential asymmetries at low magnetic field: Difference between revisions
TJ-II:Potential asymmetries at low magnetic field (view source)
Revision as of 13:10, 27 March 2018
, 27 March 2018Admin moved page TJ-II: Potential asymmetries at low magnetic field to TJ-II:Potential asymmetries at low magnetic field without leaving a redirect
Jose.regana (talk | contribs) |
m (Admin moved page TJ-II: Potential asymmetries at low magnetic field to TJ-II:Potential asymmetries at low magnetic field without leaving a redirect) |
||
| (5 intermediate revisions by 2 users not shown) | |||
| Line 20: | Line 20: | ||
unless that <math>E_{r}</math> varies noticeably with <math>B</math>. Here <math>E_{r}</math> and <math>B</math> are the ambipolar neoclassical electric field and magnetic field modulus respectively. | unless that <math>E_{r}</math> varies noticeably with <math>B</math>. Here <math>E_{r}</math> and <math>B</math> are the ambipolar neoclassical electric field and magnetic field modulus respectively. | ||
'''Objective''': the present experiment, which aims at assessing the scaling of <math>\Phi_1</math> with <math>B</math> and compare with theory, follows in essence the approach and techniques reported in ref. [1]. Hence, similar NBI plasma parameters as those in the past experiments | '''Objective''': the present experiment, which aims at assessing the scaling of <math>\Phi_1</math> with <math>B</math> (or the lack of it) and compare with theory, follows in essence the approach and techniques reported in ref. [1]. Hence, similar NBI plasma parameters as those in the past experiments scanning the electron temperature at the outer region are required. | ||
== If applicable, International or National funding project or entity == | == If applicable, International or National funding project or entity == | ||
| Line 30: | Line 30: | ||
The signals and systems required to carry out the analysis are: | The signals and systems required to carry out the analysis are: | ||
* The time evolution of the plasma floating potential at the outer core region (<math>r/a\sim 0.9</math>), measured with the double probe system. | * The time evolution of the plasma floating potential <math>\phi_f(t)</math> at the outer core region (<math>r/a\sim 0.9</math>), measured with the double Langmuir probe system. | ||
* The application of biasing potential at the outer core region is necessitated to | * The application of biasing potential at the outer core region is necessitated to quantify <math>\Delta\phi_f</math>. | ||
* The time evolution of the line-averaged density <math>\left<n_e(t)\right></math> with interferometry. | * The time evolution of the line-averaged density <math>\left<n_e(t)\right></math> with interferometry. | ||
* The radial profiles of electron density <math>n_{e}(r, t_0)</math> and temperature at one time instant <math>t_0</math> using Thomson Scattering (TS). | * The radial profiles of electron density <math>n_{e}(r, t_0)</math> and temperature at one time instant <math>t_0</math> using Thomson Scattering (TS). | ||
| Line 55: | Line 55: | ||
[[Category:TJ-II internal documents]] | [[Category:TJ-II internal documents]] | ||
[[Category:TJ-II experimental proposals]] | [[Category:TJ-II experimental proposals 2017]] | ||