Chin. Phys. Lett.  2015, Vol. 32 Issue (5): 052902    DOI: 10.1088/0256-307X/32/5/052902
NUCLEAR PHYSICS |
Empirical Scaling Laws of Neutral Beam Injection Power in HL-2A Tokamak
CAO Jian-Yong**, WEI Hui-Ling, LIU He, YANG Xian-Fu, ZOU Gui-Qing, YU Li-Ming, LI Qing, LUO Cui-Wen, PAN Yu-Dong, JIANG Shao-Feng, LEI Guang-Jiu, LI Bo, RAO Jun, DUAN Xu-Ru
Southwestern Institute of Physics, Chengdu 610041
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CAO Jian-Yong, WEI Hui-Ling, LIU He et al  2015 Chin. Phys. Lett. 32 052902
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Abstract We present an experimental method to obtain neutral beam injection (NBI) power scaling laws with operating parameters of the NBI system on HL-2A, including the beam divergence angle, the beam power transmission efficiency, the neutralization efficiency and so on. With the empirical scaling laws, the estimating power can be obtained in every shot of experiment on time, therefore the important parameters such as the energy confinement time can be obtained precisely. The simulation results by the tokamak simulation code (TSC) show that the evolution of the plasma parameters is in good agreement with the experimental results by using the NBI power from the empirical scaling law.
Received: 06 September 2014      Published: 01 June 2015
PACS:  29.27.Ac (Beam injection and extraction)  
  52.50.Gj (Plasma heating by particle beams)  
  52.59.Bi (Grid- and ion-diode-accelerated beams)  
  52.70.Nc (Particle measurements)  
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https://cpl.iphy.ac.cn/10.1088/0256-307X/32/5/052902       OR      https://cpl.iphy.ac.cn/Y2015/V32/I5/052902
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Articles by authors
CAO Jian-Yong
WEI Hui-Ling
LIU He
YANG Xian-Fu
ZOU Gui-Qing
YU Li-Ming
LI Qing
LUO Cui-Wen
PAN Yu-Dong
JIANG Shao-Feng
LEI Guang-Jiu
LI Bo
RAO Jun
DUAN Xu-Ru
[1] Lei G J, Zhong G W et al 2008 The 35th EPS Conference on Plasma Phys. (Crete Greece 9–13 June 2008)
[2] Lei G J, Cao J Y, Rao J et al 2009 The 36th Eur. Phys. Soc. Conf. Plasma Phys. (Sofia Bulgaria June 29–July 3 2009) p 5148
[3] Duan X R, Ding X T, Dong J Q et al 2009 Nucl. Fusion 49 104012
[4] Duan X R, Dong J Q, Yan L W et al 2010 Nucl. Fusion 50 095011
[5] Cao J Y, Tang L X and Luo C W 2007 GF-A0113420 (Chengdu: Southwest Institute of Physics) (in Chinese)
[6] Kamperschroer J H, Grisham L R, Dudek L E, Gammel G M, Johnson G A, Kugel H W, Lagin L, O'Connor T E, Shah P A, Sichta P, Stevenson T N, von Halle A, Williams M D and Bastasz R 1989 Rev. Sci. Instrum. 60 3377
[7] Liu H, Cao J Y, Jiang S F, Luo C W, Tang L X, Lei G J, Rao J and Li B 2009 Plasma Sci. Technol. 11 613
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