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Experimental Evidence of Nonlinear Avalanche Dynamics of Energetic Particle Modes

Autor: Tao Wang, B.S. Yuan, P.W. Shi, X.Q. Ji, J.Q. Dong, Yi Liu, Fulvio Zonca, Z.B. Shi, Zhiyong Qiu, X.T. Ding, Liu Chen, Lei Liu, R.R. Ma, Wei Chen, Q.W. Yang, T.B. Wang, M. Xu, Liming Yu, J.Y. Cao, Y.G. Li

Recent observations in HL-2A tokamak give new experimental evidences of energetic particle mode (EPM) avalanche. In a strong EPM burst, the mode structure propagates radially outward within two hundred Alfvén time, while the frequency of the dominan

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1ad952731ce849f8687b7db668ea7dfa
http://arxiv.org/abs/2109.08545

Progress of HL-2A experiments and HL-2M program

Autor: X.R. Duan, M. Xu, W.L. Zhong, Y. Liu, X.M. Song, D.Q. Liu, Y.Q. Wang, B. Lu, Z.B. Shi, G.Y. Zheng, Yong Liu, Q.W. Yang, W.C. Mao, Q. Li, L.J. Cai, X.Q. Ji, X.L. Liu, L.C. Li, B. Li, J.Q. Dong, X.T. Ding, L.W. Yan, J.F. Artaud, X.Y. Bai, J.Y. Cao, Z. Cao, L. Chen, W. Chen, L. Delpech, H.L. Du, A. Ekedahl, Z. Gao, J. Garcia, M.K. Han, G.Z. Hao, H.M. He, G.T. Hoang, M. Huang, M. Isobe, M. Jiang, A.S. Liang, Y.Q. Liu, D. Li, H.J. Li, J.Q. Li, J.X. Li, Qing Li, Yongge Li, T. Long, D. Mazon, G.R. Mckee, Z.Y. Qiu, J.F. Peng, Y. Peysson, J. Rao, X. Song, T.F. Sun, Z.X. Wang, H.L. Wei, J. Wen, N. Wu, Y.H. Xu, G.L. Xiao, X.P. Xiao, L. Xue, Z. Yan, Z.Y. Yang, D.L. Yu, L.M. Yu, Y. Yu, L.G. Zang, J.H. Zhang, N. Zhang, Y.P. Zhang, F. Zonca, X.L. Zou

Publikováno v: Nuclear Fusion. 62:042020

Since the last IAEA Fusion Energy Conference in 2018, significant progress of the experimental program of HL-2A has been achieved on developing advanced plasma physics, edge localized mode (ELM) control physics and technology. Optimization of plasma

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::424939d60077eddde02ab9110554d104
https://doi.org/10.1088/1741-4326/ac3be6

Role of a MHD mode crash in triggering H-mode at marginal heating power on the HL-2A tokamak

Autor: Liming Yu, X.R. Duan, D. Li, L.W. Yan, Min Jiang, Z.H. Huang, X.T. Ding, Yong Xu, M. Xu, W.L. Zhong, J.Q. Xu, Yong Liu, C. Hidalgo, Dianlong Yu, O. Pan, J. Cheng, Lei Liu, S. D. Song, Y.G. Li, Yi Liu, X.Q. Ji, Q.W. Yang, Z.B. Shi, Y. B. Dong

Publikováno v: Physics Letters A. 380:3897-3904

The impact of a low frequency MHD mode crash on triggering the H-mode has been studied in detail on the HL-2A tokamak. The mode manifests fishbone characteristics with a precession frequency f ≈ 14 – 19 kHz . The abrupt mode crash evokes substant

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1412ba9af27e4015656a702a0709e8c0
https://doi.org/10.1016/j.physleta.2016.09.042

Stimulated effect of SMBI on low-to-high confinement transition of tokamak plasmas

Autor: B.B. Feng, Z. X. Wang, K.R. Fang, G.Z. Hao, X.T. Ding, P.W. Shi, M. Xu, X.M. Song, X.R. Duan, C.Y. Chen, G.L. Xiao, J. Wen, L.W. Yan, M. Jiang, A.S. Liang, W.W. Xiao, X.L. Zou, Yi Liu, J. Yin, X.Q. Ji, Z.B. Shi, Wulyu Zhong, D.L. Yu, J.Q. Dong, Q.W. Yang, Z.C. Yang, W. Chen

Publikováno v: Nuclear Fusion. 60:082002

The impact of supersonic molecular beam injection (SMBI) fuelling on plasma turbulence and shear flows, which forms a self-consistent state, has been studied in the HL-2A tokamak. The SMBI flattens the shear layer by collisional flow damping and incr

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a37959dc1e7eaf72d785008dc00f100d
https://doi.org/10.1088/1741-4326/ab868d