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TJ-II:Neutral Beam Injection: Difference between revisions
TJ-II:Neutral Beam Injection (view source)
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<ref>[http://dx.doi.org/10.1016/S0920-3796(01)00349-0 L. Martínez-Laso et al, ''TJ-II neutral beam injectors control and data acquisition system'', Fusion Engineering and Design '''56-57''' (2001) 477-480]</ref> | <ref>[http://dx.doi.org/10.1016/S0920-3796(01)00349-0 L. Martínez-Laso et al, ''TJ-II neutral beam injectors control and data acquisition system'', Fusion Engineering and Design '''56-57''' (2001) 477-480]</ref> | ||
<ref>[http://dx.doi.org/10.1016/j.fusengdes.2006.04.014 R. Carrasco et al, ''The NBI control system for the TJ-II'', Fusion Engineering and Design '''81''', Issues 15-17 (2006) 1813-1816]</ref> | <ref>[http://dx.doi.org/10.1016/j.fusengdes.2006.04.014 R. Carrasco et al, ''The NBI control system for the TJ-II'', Fusion Engineering and Design '''81''', Issues 15-17 (2006) 1813-1816]</ref> | ||
=== Vacuum system === | |||
In order to keep reionization losses at an acceptable level, the maximum allowed pressure during the beam pulse is 10<sup>−4</sup> mbar, which requires an installed pumping speed of 350,000 l/s. Titanium getter pumps have been chosen as the primary vacuum system for these injectors. Base pressures in the range of 5 × 10<sup>−9</sup> mbar are attainable with titanium pump operation. | |||
<ref>[http://dx.doi.org/10.1016/S0042-207X(02)00208-7 M. Liniers et al, ''Vacuum system of the neutral beam injectors at the stellarator TJ-II'', Vacuum '''67''', Issues 3-4 (2002) 379-384]</ref> | |||
==References== | ==References== | ||
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