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pro vyhledávání: '"Ding Xuan-Tong"'
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Autor:
He Hongda, Dong Jiaqi, Han Ming-Kun, Shen Yong, Li Jia, Wang Shuo, Jiquan Li, Ding Xuan-Tong, Wu Na, Duan Xu-Ru, Xu Min, Shi Zhongbing, Jiang Min, Ji Xiao-Quan
Publikováno v:
Acta Physica Sinica. 70:185201
The tokamak with weak or negative magnetic shear and internal transport barrier (ITB) is considered to be the most promising approach to improving fusion performance. The hollow current density profile, as well as the reversed q profile (negative mag
Autor:
Chen Wei, Li Yonggao, Zhang Boyu, Liu Zetian, Yang Zengchen, Jiang Min, Zhong Wulyu, Shi Zhongbing, Shi Peiwan, YU Liming, Ding Xuan-Tong
Publikováno v:
Plasma Science and Technology. 18:708-713
A multichannel microwave interferometer system has been developed on the HL-2A tokomak. Its working frequency is well designed to avoid the fringe jump effect. Taking the structure of HL-2A into account, its antennas are installed in the horizontal d
Autor:
Yi Jiang, Deng Zhongchao, Zhao Kaijun, Yang Qingwei, Ding Xuan-Tong, Li Liancai, Zhou Yan, Duan Xu-Ru, Zheng Ling, Li Yonggao
Publikováno v:
Plasma Science and Technology. 11:413-416
A new multi-channel far infrared (FIR) laser interferometer was built up and applied to HL-2A. The unique feature of real-time heterodyne interferometer is the combination of high power radiation source (300 mW), lower noise room temperature detector
Autor:
Sun Ping, Ding Xuan-Tong, Zhou Yan, Li Wei, Cui Zheng-Ying, Yang Qingwei, Duan Xu-Ru, Dong Chunfeng, Feng Bei-Bin, Liu Yi, Hong Wenyu
Publikováno v:
Chinese Physics B. 18:3473-3483
The electron density profile peaking and the impurity accumulation in the HL-2A tokamak plasma are observed when three kinds of fuelling methods are separately used at different fuelling particle locations. The density profile becomes more peaked whe
Autor:
Xiao Wei-Wen, Duan Xu-Ru, Yan Longwen, Ding Xuan-Tong, Sun Hong-Juan, Yang Qingwei, Liu Zetian, Yao Lianghua
Publikováno v:
Plasma Science and Technology. 10:403-406
O-mode Doppler reflectometer has been successfully developed as an important diagnostic system on HL-2A. It can be used to measure the turbulence propagation in both plasma edge and confinement zone. The Doppler reflectometer system consists of two f
Autor:
Duan Xu-Ru, Peng Bei-Bin, Zhao Kaijun, Jiao Yi-Ming, Deng Zhongchao, Li Liancai, Liu Yi, Yang Qingwei, Li Yonggao, Ding Xuan-Tong, Zhou Yan, Yi Jiang, Ji Xiao-Quan
Publikováno v:
Chinese Physics Letters. 25:2558-2561
Density fluctuations were first measured in the core region of HL-2A tokamak plasma using a newly developed multi-channel FIR interferometer system. In divertor ohmic discharges, we measured the radial density fluctuation levels of 5%, which increase
Autor:
Lu Jie, S. Morita, Wang Quanming, Chen Wei, Cui Zheng-Ying, Yang Qingwei, Ding Xuan-Tong, Fu Bingzhong, Sun Ping, Huang Yuan, Duan Xu-Ru, Dong Jiafu
Publikováno v:
Plasma Science and Technology. 10:298-301
A 1 m vacuum ultraviolet (VUV) spectrometer with temporal and spatial resolution was developed for impurity study of HL-2A tokamak. The instrument is equipped with two concave gratings blazed at 80 nm and 150 nm, respectively, and a windowless back-i
Publikováno v:
Chinese Physics Letters. 25:628-631
A sawtooth-free period is produced following the pellet injection in the pellet fuelled discharge of qa = 3.4 (where qa is the safety factor at the plasma boundary) in the HL-2A tokamak. Establishment of the current profile such as in the hybrid scen
Publikováno v:
Chinese Physics. 16:3738-3741
Artificial neural networks are trained to forecast the plasma disruption in HL-2A tokamak. Optimized network architecture is obtained. Saliency analysis is made to assess the relative importance of different diagnostic signals as network input. The t