Simulation of dynamic characteristics for ELM filaments on EAST tokamak using BOUT plus

doi:10.1063/5.0003879

	Simulation of dynamic characteristics for ELM filaments on EAST tokamak using BOUT plus
	Wu, Y. B.1,2,3; Xia, T. Y.2; Zhong, F. C.3
刊名	AIP ADVANCES
	2020-05-01
卷号	10
DOI	10.1063/5.0003879
通讯作者	Xia, T. Y.(xiaty@ipp.ac.cn)
英文摘要	To study the dynamic characteristics of filamentary structure during the edge-localized mode (ELM) burst on the experimental advanced superconducting tokamak, the BOUT++ six-field two-fluid model is used to simulate the temporal and spatial evolutions of the ELM filaments. In the peak gradient region at the outer mid-plane, the radial speed of filaments is changed frequently and varied from 0.11 km/s to 0.79 km/s, and the poloidal speed oscillates in the range of 0.61-0.85 km/s. The width of the ELM filaments is increased from 7.76 mm to 26.7 mm and grows rapidly to 41.99 mm from t = 0.2717 ms to 0.2831 ms after the start of the burst. After that, the width decreases gradually and stabilizes at 25-30 mm when it comes to the saturation phase. Further research indicates that the filament propagation speed is increased during their outward movement. The width gradually decreases when the filaments move outward, and it is proportional to electron temperature (T-e) perturbation. All the results are consistent with the experimental data presented by Chen et al., IEEE Trans. Plasma Sci. 47, 799 (2019).
资助项目	National Key R&D Program of China[2017YFE0301100] ; National Natural Science Foundation of China[11675217] ; Anhui Department of Education[KJ2019A0563] ; Youth Innovation Promotion Association Chinese Academy of Sciences[2017479] ; K. C. Wong Education Foundation
WOS关键词	EDGE LOCALIZED MODES ; IMAGING-SYSTEM
WOS研究方向	Science & Technology - Other Topics ; Materials Science ; Physics
语种	英语
出版者	AMER INST PHYSICS
WOS记录号	WOS:000532374800004
资助机构	National Key R&D Program of China ; National Natural Science Foundation of China ; Anhui Department of Education ; Youth Innovation Promotion Association Chinese Academy of Sciences ; K. C. Wong Education Foundation
内容类型	期刊论文
源URL	[http://ir.hfcas.ac.cn:8080/handle/334002/103291]
专题	中国科学院合肥物质科学研究院
通讯作者	Xia, T. Y.
作者单位	1.Anqing Normal Univ, Sch Phys & Elect Engn, Anqing 246133, Peoples R China 2.Chinese Acad Sci, Inst Plasma Phys, Hefei 230031, Peoples R China 3.Donghua Univ, Coll Sci, Shanghai 201620, Peoples R China
推荐引用方式 GB/T 7714	Wu, Y. B.,Xia, T. Y.,Zhong, F. C.. Simulation of dynamic characteristics for ELM filaments on EAST tokamak using BOUT plus[J]. AIP ADVANCES,2020,10.
APA	Wu, Y. B.,Xia, T. Y.,&Zhong, F. C..(2020).Simulation of dynamic characteristics for ELM filaments on EAST tokamak using BOUT plus.AIP ADVANCES,10.
MLA	Wu, Y. B.,et al."Simulation of dynamic characteristics for ELM filaments on EAST tokamak using BOUT plus".AIP ADVANCES 10(2020).