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Analysis of Charge Exchange Spectrum During Lower Hybrid Current Drive on HT-7 Tokamak

S.X.Liu  B.N.Wan  G.L.Kuang  X.Gao  L.Q.Hu  A.L.Yao  P.J.Qin  X.Z.Gong  L.Chen  Y.J.Shi  J.G.Li  
【摘要】:正 This paper presents the experimental results by charge-exchange fast neutral particle measurements with neutral particle energy analyzer (NPA) in lower hybrid current drive (LHCD) experiments, which firstly show ion heating of LHCD on HT-7 superconducting tokamak. The LHCD experiments on HT-7 tokamak were carried out with the following paramenters: B_t=1.8 T, I_p=110~150 kA, n_e=(0.8~2)×10~(13)cm~(-3). The lower hybrid wave (LHW) had a pulse duration of 360ms and power of about 300 kW with an peak of parallel refractive index of N_〃=2.9.

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