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作 者:邓中朝[1] 周艳[1] 刘泽田[1] 傅荟文[1] 王恩耀[1] 刁光跃
机构地区:[1]核工业西南物理研究院
出 处:《核聚变与等离子体物理》1998年第A07期27-32,共6页Nuclear Fusion and Plasma Physics
摘 要:描述了为HL-1M装置建造的远红外(FIR)激光干涉仪系统,以及用该系统进行的等离子体电子密度分布测量。密度数据的采集与处理采用了计算机Windows界面,提高了采集效率和速度。此外,讨论了注入低混杂波、多发弹丸或超声分子束后,在欧姆放电等离子体中出现的密度峰化分布及相应约束改善现象。おhe multichannel HCN laser interferometer used in the HL1 tokamak has been improved and restored for electron density measurements on the HL1M tokamak. From the measured line integrals the electron density profile is reconstructed by a new Abel inversion procedure. The acquisition of data is fulfilled using a Windows software interface to get higher efficiency and speed for processing the data. Experiments have been performed during ohmic discharges with lower hybrid current drive (LHCD), hydrogen pellets injection(PI) or molecular beam injection(MBI) with Laval nozzle.The principal results can be summarized as follows: a further peaked electron density profile appears during LHCD, PI or MBI. At the same time plasma confinement tends to be improved.
分 类 号:TL631.24[核科学技术—核技术及应用]
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