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Journal of Fusion Energy

, Volume 32, Issue 5, pp 589–593 | Cite as

Analysis of MW-scale Beam Extraction of EAST Neutral Beam Injector Test-stand

  • Yongjian Xu
  • Chundong Hu
  • Yuanlai Xie
  • Jun Li
  • Sheng Liu
  • Yahong Xie
  • Peng Sheng
  • Zhimin Liu
  • Lizhen Liang
Original Research

Abstract

Neutral beam injection has been recognized as one of the most effective means for plasma heating. The preliminary data of 50 keV, 100 s and 80 keV, 1 s beam extraction have been obtained on the EAST neutral beam injector (NBI) test-stand. In this paper, beam energy distribution deposited on each heat load component and neutral efficiency of EAST-NBI has been measured using water-flow calorimetry and beam divergence angle and perveance have been analyzed according to the data obtained from the thermocouples installed in the calorimeters.

Keywords

Beam extraction Neutral beam Divergence angle Perveance 

Notes

Acknowledgments

This work has been supported by the National Natural Science Foundation of China (Grant No. 11075183).

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Copyright information

© Springer Science+Business Media New York 2013

Authors and Affiliations

  • Yongjian Xu
    • 1
  • Chundong Hu
    • 1
  • Yuanlai Xie
    • 1
  • Jun Li
    • 1
  • Sheng Liu
    • 1
  • Yahong Xie
    • 1
  • Peng Sheng
    • 1
  • Zhimin Liu
    • 1
  • Lizhen Liang
    • 1
  1. 1.Institute of Plasma PhysicsChinese Academy of SciencesHefeiChina

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