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000057301 084__ $$2WoS$$aPhysics, Fluids & Plasmas
000057301 084__ $$2WoS$$aPhysics, Nuclear
000057301 1001_ $$0P:(DE-HGF)0$$aFeng, Y.$$b0
000057301 245__ $$aPhysics of island divertors as highlighted by the example of W7-AS
000057301 260__ $$aVienna$$bIAEA$$c2006
000057301 300__ $$a807 - 819
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000057301 440_0 $$04641$$aNuclear Fusion$$v46$$x0029-5515
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000057301 520__ $$aBased on theoretical analysis, numerical simulations and experimental results, the paper outlines a self-consistent physics picture of the island divertor transport in W7-AS, as it emerges from the present understanding, documented over the past several years of theoretical and experimental research on the subject. Key function elements of a divertor, such as particle flux enhancement, neutral screening, impurity retention, thermal power removal via impurity line radiation and detachment, are examined for the island divertor and assessed with respect to tokamak divertors. The paper focuses on describing the global scrape-off layer (SOL) transport behaviour associated with the specific island topology and aims at illustrating the elementary differences and similarities in divertor physics between a tokamak and a typical helical device. Shown and analysed are also the correlation between the SOL and core plasma and the role of the island divertor for improving the global plasma performance. Discussion is mainly based on simple models and estimations, while three-dimensional modelling calculations serve only for control of self-consistency and for determining basic functional dependences not accessible otherwise. The island divertor physics is presented within a theoretical frame with most key issues, however, being related to experimental results.
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000057301 7001_ $$0P:(DE-HGF)0$$aSardei, F.$$b1
000057301 7001_ $$0P:(DE-HGF)0$$aGrigull, P.$$b2
000057301 7001_ $$0P:(DE-HGF)0$$aMcCormick, K.$$b3
000057301 7001_ $$0P:(DE-HGF)0$$aKisslinger, J.$$b4
000057301 7001_ $$0P:(DE-Juel1)5006$$aReiter, D.$$b5$$uFZJ
000057301 773__ $$0PERI:(DE-600)2037980-8$$a10.1088/0029-5515/46/8/006$$gVol. 46, p. 807 - 819$$p807 - 819$$q46<807 - 819$$tNuclear fusion$$v46$$x0029-5515$$y2006
000057301 8567_ $$uhttp://dx.doi.org/10.1088/0029-5515/46/8/006
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000057301 9141_ $$aNachtrag$$y2006
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000057301 9201_ $$0I:(DE-Juel1)VDB181$$d31.12.2006$$gIPP$$kIPP$$lInstitut für Plasmaphysik$$x1
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