HT-7. ASIPP. Density Behaviors on IBW Heating Experiments in the HT-7* J.Xu, X.Gao , H.Q.Liu, Y.F.Cheng, X.D.Tong, B.N.Wan, Y.X.Jie and L.Gao E-mail: [email protected] ABSTRACT(1).
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The particle flux is obtained from the integration of eq. (1) as follows:
Eq. (2) can be rewrite as .
From the plotting of /n and n/n, the diffusion coefficient is obtained
from the gradient of the plotting
of shot 45596(Bt =1.8T)
intensity of shot 45572 (Bt = 2 T)
of shot 45572 (Bt = 2.0 T)
intensity of shot 45596 (Bt = 1.8 T)
of shot 45596 (Bt = 1.8 T)
of shot 45572 (Bt = 2 T, the chords at
+20cm, +10cm, 0cm, -10cm, – 20cm)
of shot 45572 (Bt = 2 T)
of shot 45572 (2 T)
The electron density diffusion coefficient of IBW 45596 (1.8 T)
heated plasma at Bt = 2 T and 1.8 T
The electron density diffusion coefficient for Ohmic 45596 (1.8 T)
and IBW heating at Bt = 1.8 T
Conclusions 45596 (1.8 T)
by the IBW heating in the HT-7 tokamak. The electron density was peaked, the Soft X ray intensity went up gradually, and the Ha radiation intensity dropped suddenly during IBW heating.
Acknowledgements 45596 (1.8 T)
The authors would like to thank the
HT-7 team for their helps in the experiments,and thank Miss Y.Xu for data processing and figures plotting of soft x-ray intensity. This work has been supported by the National Nature Science Foundation of China, contract No: 10005010.
References 45596 (1.8 T)
 X.Gao et al., Rev. Sci. Instrum., Vol.66, No.1, (1995) 139-142
 Y.X.Jie et al., International Journal of Infrared and Millimeter Waves, Vol.21, No.9, (2000) 1375-1380
 X.Gao et al., Nucl. Fusion, Vol.40, No.11, (2000) 1875-1883
 X.Gao et al., Phys. Plasmas, Vol.7, No.7, (2000) 2933-2938
 Y.P.Zhao et al., Plasma Phys. Control. Fusion, Vol.43, No.3, (2001) 343-353
 J.G.Li et al., Nucl. Fusion, Vol.39, No.8, (1999) 973-977
ASIPP 45596 (1.8 T)