Preliminary Experimental Study of Shine-Through Power for EAST-NBI by Infrared Pyrometer

Deuterium neutral beam injection is employed for assistant heating of plasma on experimental advanced superconducting tokamak (EAST). A set of infrared pyrometers is used for fast interlock protection system on EAST neutral beam injector. Typical experimental results are presented to illustrate the...

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Veröffentlicht in:	Journal of fusion energy 2015-08, Vol.34 (4), p.925-929
Hauptverfasser:	Zhao, X. X., Wang, Y., Hu, C. D., Liang, L. Z., Wang, J. X., LIU, S., Xie, Y. H., Jiang, C. C., Li, Y. Y., Wang, J. F., Xu, Y. J., Xie, Y. L., Sheng, P.
Format:	Artikel
Sprache:	eng
Schlagworte:	Beam injection Deuterium Electrons Energy Energy Systems Experiments Graphite Neutral beams Nuclear Energy Nuclear Fusion Original Research Physics Physics and Astronomy Plasma Plasma Physics Radiation, Background Superconductors Sustainable Development
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Deuterium neutral beam injection is employed for assistant heating of plasma on experimental advanced superconducting tokamak (EAST). A set of infrared pyrometers is used for fast interlock protection system on EAST neutral beam injector. Typical experimental results are presented to illustrate the performance of beam shine through. During the high power injection, the maximal surface temperature will reach up to about 600 °C. If the temperature is higher than the limited value, the beam pulse is interrupted in about 20 ms. The shine through power is explained qualitatively with the performance of the plasma.
ISSN:	0164-0313 1572-9591
DOI:	10.1007/s10894-015-9897-4