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The Experimental Results of MHD Instability Suppression with Electrode Biasing in the HT-7 Tokamak

Autor: Huazhong Wang, Zhendong Yang, Shuangbao Shu, F. C. Zhong, Jiarong Luo

Publikováno v: Journal of Fusion Energy. 34:679-685

This paper presents the experimental results of magneto hydrodynamics (MHD) instability suppression in the HT-7 Tokamak by using electrode biasing. The biased voltage is applied between the electrode and the shell of the vacuum chamber. Three kinds o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea5be44bd65080a4156c40afa18a9509
https://doi.org/10.1007/s10894-015-9868-9

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An overview of lithium experiments on HT-7 and EAST during 2012

Autor: Guizhong Zuo, Zhen Sun, D. K. Mansfield, Jiansheng Hu, Leonid E. Zakharov, Jiuyuan Li, David N. Ruzic, J. Ren, Qingxi Yang

Publikováno v: Fusion Engineering and Design. 89:2875-2885

In 2012, lithium coating with an upgraded system on EAST, the first application of lithium granules injection for ELMs pacing on EAST, and the first flowing lithium limiter experiments on HT-7 have successfully been carried out and several new result

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cce7cc7f70b3c5a78f363521a6da934e
https://doi.org/10.1016/j.fusengdes.2014.06.015

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Liquid lithium surface control and its effect on plasma performance in the HT-7 tokamak

Autor: Leonid E. Zakharov, David N. Ruzic, J. Ren, Guizhong Zuo, Jiansheng Hu, J.G. Li, Z. Sun, Qingxi Yang

Publikováno v: Fusion Engineering and Design. 89:2845-2852

Experiments with liquid lithium limiters (LLLs) have been successfully performed in HT-7 since 2009 and the effects of different limiter surface structures on the ejection of Li droplets have been studied and compared. The experiments have demonstrat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a426a0f03a6b8668532b25f253b572ab
https://doi.org/10.1016/j.fusengdes.2014.05.020

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Cleaning of HT-7 Tokamak Exposed First Mirrors by Radio Frequency Magnetron Sputtering Plasma

Autor: Longwei Chen, Rui Ding, Dahuan Zhu, Rong Yan, Junling Chen

Publikováno v: Plasma Science and Technology. 16:1158-1162

The stainless steel (SS) first mirror pre-exposed in the deposition-dominated environment of the HT-7 tokamak was cleaned in the newly built radio frequency (RF) magnetron sputtering plasma device. The deposition layer on the FM surface formed during

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::15ffcdacffdb2e13e3bfb28221e43411
https://doi.org/10.1088/1009-0630/16/12/13

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Development of Electrode Biasing and Real Time MHD Control System to Suppress the MHD Instability in the HT-7 Tokamak

Autor: Zhendong Yang, Shuangbao Shu, F. C. Zhong, Jiarong Luo

Publikováno v: Journal of Fusion Energy. 34:386-393

Magneto Hydrodynamics (MHD) instability is a main factor in deciding high performance operation of Tokamak devices. The paper studied MHD’s characteristics in the HT-7 Tokamak to analyze the condition, basic structure and some characters of MHD phe

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d3c2ee022cbc1ff6eafd892f86982e51
https://doi.org/10.1007/s10894-014-9810-6

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Observation of Electron Energy Pinch in HT-7 ICRF Heated Plasmas

Autor: Siye Ding, Baonian Wan, Lu Wang, Ang Ti, Xinjun Zhang, Zixi Liu, Jinping Qian, Guoqiang Zhong, Yanmin Duan

Publikováno v: Plasma Science and Technology. 16:826-832

Inward energy transport (pinch phenomenon) in the electron channel is observed in HT-7 plasmas using off-axis ion cyclotron resonance frequency (ICRF) heating. Experimental results and power balance transport analysis by TRANSP code are presented in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::86b28bff7d24cee7c9fa8fac93366155
https://doi.org/10.1088/1009-0630/16/9/04

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Analysis and Performance of the Thomson Scattering Diagnostics on HT-7 Tokamak Based on I-EMCCD

Autor: Junyu Zhao, Xiaofeng Han, Xiaoqi Xi, Chen Hui, Jianhua Yang, Chunqiang Shao, Qing Zang, Hu Ailan

Publikováno v: Plasma Science and Technology. 16:721-725

A visible light imaging Thomson scattering (VIS-TVTS) diagnostic system has been developed for the measurement of plasma electron temperature on the HT-7 tokamak. The system contains a Nd:YAG laser (λ = 532 nm, repetition rate 10 Hz, total pulse dur

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fdca9ccf3ba3503b1e60c70a40f9cb83
https://doi.org/10.1088/1009-0630/16/8/01

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Transient snakes in an ohmic plasma associated with a minor disruption in the HT-7 tokamak

Autor: Liqun Hu, Songtao Mao, Liqing Xu, Kaiyun Chen

Publikováno v: Journal of the Korean Physical Society. 64:1244-1247

A transient burst (ms, an order of the fast-particle slowdown timescale) of a spontaneous snake is observed for the first time in a HT-7 heavy impurity ohmic plasma. The features of the low-Z impurity snake are presented. The flatten electron profile

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::628a2de204cc577945c4b9a95fa5bdfd
https://doi.org/10.3938/jkps.64.1244

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