TJ-II:Magnetic surface mapping: Difference between revisions
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After [[TJ-II:Construction|construction]] of [[TJ-II]] was completed, the accuracy of the magnetic field was checked by measuring the vacuum flux surface mapping and comparing to theoretical predictions. The | [[File:TJ-II_Fluorescent_detector.png|300px|thumb|right|The fluorescent rod system used for flux surface mapping experiments at TJ-II.]] | ||
After [[TJ-II:Construction|construction]] of [[TJ-II]] was completed, the accuracy of the magnetic field was checked by measuring the vacuum flux surface mapping and comparing to theoretical predictions. | |||
The mapping was done at a magnetic field strength of 10% of the nominal value. | |||
The detection process involved imaging the spots produced by electrons, produced by an electron gun, when these intersect an array of fluorescent rods that sweeps the vacuum vessel cross section. | |||
<ref>[http://www.jspf.or.jp/JPFRS/PDF/Vol1/jpfrs1998_01-183.pdf E. Ascasibar et al, ''Magnetic surface mapping experiments in TJ-II Heliac'', J. Plasma Fusion Res. SERIES '''1''' (1998) 183]</ref> | <ref>[http://www.jspf.or.jp/JPFRS/PDF/Vol1/jpfrs1998_01-183.pdf E. Ascasibar et al, ''Magnetic surface mapping experiments in TJ-II Heliac'', J. Plasma Fusion Res. SERIES '''1''' (1998) 183]</ref> | ||
The agreement was found to be good. | |||
<ref>[http://www.rsphysse.anu.edu.au/admin/stellarator/papers/LFraguas_PI6.pdf A. López Fraguas, ''Magnetic surface mapping experiments in TJ-II'', Proc. 13<sup>th</sup> International Stellarator Workshop (Australia, 2001) P1-6]</ref> | <ref>[http://www.rsphysse.anu.edu.au/admin/stellarator/papers/LFraguas_PI6.pdf A. López Fraguas, ''Magnetic surface mapping experiments in TJ-II'', Proc. 13<sup>th</sup> International Stellarator Workshop (Australia, 2001) P1-6]</ref> | ||
== References == | == References == | ||
<references /> | <references /> | ||
Revision as of 22:55, 22 September 2009
After construction of TJ-II was completed, the accuracy of the magnetic field was checked by measuring the vacuum flux surface mapping and comparing to theoretical predictions. The mapping was done at a magnetic field strength of 10% of the nominal value. The detection process involved imaging the spots produced by electrons, produced by an electron gun, when these intersect an array of fluorescent rods that sweeps the vacuum vessel cross section. [1] The agreement was found to be good. [2]