| HL-2A ????????ÿ??????????·????????Ч???????? |
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| 引用本文： | κ???????????????.HL-2A ???????????????????·????????Ч????????[J].核聚变与等离子体物理,2014,34(3):193-199. |
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| 作者姓名： | κ??????????????? |
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| 作者单位： | (?????????????о??????? 610041) |
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| 摘 要： |
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Measurement of effective ion charge using visible bremsstrahlung on HL-2A tokamak |
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| WEI Yan-ling,YU De-liang,LIU Liang.Measurement of effective ion charge using visible bremsstrahlung on HL-2A tokamak[J].Nuclear Fusion and Plasma Physics,2014,34(3):193-199. |
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| Authors: | WEI Yan-ling YU De-liang LIU Liang |
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| Institution: | (Southwestern Institute of Physics, Chengdu 610041) |
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| Abstract: | The multichannel bremsstrahlung measurement system on HL-2A tokamak has been using to observe the intensity of visible (535.1nm) bremsstrahlung radiation. Combined the intensity with plasma electron density and electron temperature, the effective ion charge measurements can be obtained on HL-2A tokamak. The 1×1019m?3 to4×1019m?3 experimental results show that when the plasma electron density increases from 1×10 m to 4×10 m , the effective ion charge number changes from 5 down to around 2. The bremsstrahlung radiation signal intensity is proportional to the quadratic plasma density. When the electron density is higher than 3×1019m?3, the multichannel bremsstrahlung measurement system can collect sufficient signal through the plasma, which enables the measurement of effective ion charge radial profile. |
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