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000904083 0247_ $$2doi$$a10.1007/s10894-021-00290-9
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000904083 0247_ $$2ISSN$$a1572-9591
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000904083 037__ $$aFZJ-2021-05653
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000904083 1001_ $$0P:(DE-HGF)0$$aWang, L.$$b0
000904083 245__ $$aProgress of Divertor Heat and Particle Flux Control in EAST for Advanced Steady-State Operation in the Last 10 Years
000904083 260__ $$aNew York, NY$$bSpringer Science + Business Media B.V.$$c2021
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000904083 520__ $$aActive control of the excessively high heat and particle fluxes on the divertor target plates is of fundamental importance to the steady state operation of tokamaks, especially for fusion reactors. A series of experiments have been carried out on this critical issue to relieve the plasma-wall interactions in the experimental advanced superconducting tokamak (EAST) in the last ten years, not only contributing to the long pulse operation of EAST itself, but also providing physical understandings and potential techniques to the next-generation devices like ITER. We have characterized the power deposition pattern and broadened the divertor footprint width effectively. The plasma-wetted area is actively handled using either 3-dimentional edge magnetic topology or advanced plasma equilibrium, thereby peak heat flux around the strike point is reduced. Active control of detachment or radiation compatible with core plasma performance has progressed significantly in very recent years, with a series of active feedback control modules developed and utilized successfully, based on the divertor physics advances with both experiments and simulation. The upper divertor of EAST was upgraded from graphite to active water-cooling ITER-like tungsten in 2014, exhibiting much enhanced heat removal capability. As for the particle exhaust including both fueling and impurity particles, in addition to wall conditioning and impurity source control, the efficiency of particle flux exhaust is optimized by making full use of the divertor closure and the plasma drifts in both scrape-off layer and divertor volume. These heat and particle exhaust advances contribute greatly to a series of EAST achievements like H-mode operation over 100 s. A brief near-term plan on the integrated control of divertor plasma-wall interactions in long-time scale will also be introduced, aiming to provide favorable divertor operation solution for ITER and CFETR.
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000904083 7001_ $$0P:(DE-HGF)0$$aXu, G. S.$$b1
000904083 7001_ $$aHu, J. S.$$b2
000904083 7001_ $$0P:(DE-HGF)0$$aLi, K. D.$$b3
000904083 7001_ $$0P:(DE-HGF)0$$aYuan, Q. P.$$b4
000904083 7001_ $$0P:(DE-Juel1)188320$$aLiu, Jianwen$$b5$$eCorresponding author
000904083 7001_ $$0P:(DE-HGF)0$$aDing, F.$$b6
000904083 7001_ $$0P:(DE-HGF)0$$aYu, Y. W.$$b7
000904083 7001_ $$0P:(DE-HGF)0$$aLuo, Z. P.$$b8
000904083 7001_ $$0P:(DE-HGF)0$$aXu, J. C.$$b9
000904083 7001_ $$0P:(DE-HGF)0$$aMeng, L. Y.$$b10
000904083 7001_ $$0P:(DE-HGF)0$$aWu, K.$$b11
000904083 7001_ $$0P:(DE-HGF)0$$aZhang, B.$$b12
000904083 7001_ $$0P:(DE-HGF)0$$aChen, M. W.$$b13
000904083 7001_ $$0P:(DE-Juel1)162309$$aDeng, G. Z.$$b14
000904083 7001_ $$0P:(DE-Juel1)171422$$aLiu, X. J.$$b15
000904083 7001_ $$0P:(DE-HGF)0$$aYang, Z. S.$$b16
000904083 7001_ $$0P:(DE-HGF)0$$aLiu, X.$$b17
000904083 7001_ $$0P:(DE-Juel1)166375$$aLiu, S. C.$$b18
000904083 7001_ $$0P:(DE-Juel1)184709$$aDing, R.$$b19
000904083 7001_ $$0P:(DE-HGF)0$$aZuo, G. Z.$$b20
000904083 7001_ $$0P:(DE-Juel1)173771$$aSun, Z.$$b21
000904083 7001_ $$0P:(DE-Juel1)177058$$aWu, J. H.$$b22
000904083 7001_ $$0P:(DE-HGF)0$$aCao, B.$$b23
000904083 7001_ $$0P:(DE-HGF)0$$aZhang, Y.$$b24
000904083 7001_ $$0P:(DE-HGF)0$$aDuan, Y. M.$$b25
000904083 7001_ $$0P:(DE-HGF)0$$aZhang, L.$$b26
000904083 7001_ $$0P:(DE-HGF)0$$aQian, X. Y.$$b27
000904083 7001_ $$0P:(DE-Juel1)186804$$aLi, A.$$b28
000904083 7001_ $$0P:(DE-Juel1)156284$$aChen, L.$$b29
000904083 7001_ $$0P:(DE-Juel1)173884$$aJia, M. N.$$b30
000904083 7001_ $$0P:(DE-Juel1)171760$$aSi, H.$$b31
000904083 7001_ $$0P:(DE-HGF)0$$aXia, T. Y.$$b32
000904083 7001_ $$0P:(DE-HGF)0$$aSun, Y. W.$$b33
000904083 7001_ $$0P:(DE-HGF)0$$aChen, Y. P.$$b34
000904083 7001_ $$0P:(DE-Juel1)176714$$aLi, Q.$$b35
000904083 7001_ $$0P:(DE-HGF)0$$aLuo, G. N.$$b36
000904083 7001_ $$0P:(DE-Juel1)159475$$aYao, D. M.$$b37
000904083 7001_ $$0P:(DE-Juel1)156242$$aXiao, B. J.$$b38
000904083 7001_ $$0P:(DE-HGF)0$$aGong, X. Z.$$b39
000904083 7001_ $$0P:(DE-HGF)0$$aZhang, X. D.$$b40
000904083 7001_ $$0P:(DE-HGF)0$$aWan, B. N.$$b41
000904083 7001_ $$0P:(DE-HGF)0$$aWang, H. Q.$$b42
000904083 7001_ $$0P:(DE-Juel1)190704$$aGuo, H. Y.$$b43
000904083 7001_ $$0P:(DE-HGF)0$$aEldon, D.$$b44
000904083 7001_ $$0P:(DE-HGF)0$$aGarofalo, A. M.$$b45
000904083 7001_ $$0P:(DE-Juel1)130088$$aLiang, Yunfeng$$b46
000904083 7001_ $$0P:(DE-Juel1)171372$$aXu, Shuai$$b47
000904083 7001_ $$0P:(DE-HGF)0$$aSang, C. F.$$b48
000904083 7001_ $$0P:(DE-HGF)0$$aWang, D. Z.$$b49
000904083 7001_ $$0P:(DE-HGF)0$$aDai, S. Y.$$b50
000904083 7001_ $$0P:(DE-HGF)0$$aSun, J. Z.$$b51
000904083 7001_ $$0P:(DE-Juel1)164184$$aDing, H. B.$$b52
000904083 7001_ $$0P:(DE-HGF)0$$aMaingi, R.$$b53
000904083 7001_ $$0P:(DE-HGF)0$$aGan, K. F.$$b54
000904083 7001_ $$0P:(DE-HGF)0$$aZou, X. L.$$b55
000904083 7001_ $$0P:(DE-HGF)0$$aDu, H. L.$$b56
000904083 773__ $$0PERI:(DE-600)2016894-9$$a10.1007/s10894-021-00290-9$$gVol. 40, no. 1, p. 3$$n1$$p3$$tJournal of fusion energy$$v40$$x0164-0313$$y2021
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