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TJ-II:Coil system: Difference between revisions
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[[File:TJ-II_Helical_coil.jpg|400px|thumb|right|The core coil pack consists of three coils: the circular core (CC), the helix 1 (HX1), and the helix 2 (HX2).]] | [[File:TJ-II_Helical_coil.jpg|400px|thumb|right|The core coil pack consists of three coils: the circular core (CC), the helix 1 (HX1), and the helix 2 (HX2).]] | ||
The [[TJ-II]] coil system is listed in the table below. | The [[TJ-II]] coil system is listed in the table below (in [[Toroidal coordinates|cylindrical coordinates]]). | ||
All coils are directly [[TJ-II:Cooling system|cooled]] by water flowing trough longitudinal holes in the conductors. | All coils are circular, except the helical coil. | ||
They are directly [[TJ-II:Cooling system|cooled]] by water flowing trough longitudinal holes in the conductors. | |||
All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref> | All coils have a reinforced structure to avoid mechanical deformations.<ref>M. Medrano, M. Blaumoser, J. Alonso, G. Barrera, M. Pastor, C. Rubio, F. Pedrazo, and O. Heusmann, ''Strength considerations on the magnetic field coils of the Spanish Stellarator TJ-II'', [[doi:10.1109/FUSION.1993.518529| Fusion Engineering, 15th IEEE/NPSS Symposium (1993)]]</ref> | ||
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|Toroidal (TF) || 28 || ''r'' = 0.425 || ''R'' = 1.5 + 0.2825 cos(4φ) </br> ''Z'' = -0.2825 sin(4φ) || 8 | |Toroidal (TF) || 28 || ''r'' = 0.425 || ''R'' = 1.5 + 0.2825 cos(4φ) </br> ''Z'' = -0.2825 sin(4φ) || 8 | ||
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|Toroidal (TF) || 4 || ''r'' = 0.475 || ''R'' = 1.5 + 0. | |Toroidal (TF) || 4 || ''r'' = 0.475 || ''R'' = 1.5 + 0.3325 cos(4φ) </br> ''Z'' = -0.3325 sin(4φ) </br> φ = 0, 90, 180, 270°|| 9 | ||
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|Vertical (VF) || 2 || ''R'' = 2.25 || ''Z'' = ± 0.75 || 16 | |Vertical (VF) || 2 || ''R'' = 2.25 || ''Z'' = ± 0.75 || 16 | ||