Wall erosion and material transport to the Mark I carbon divertor of JET
作者： M Mayer , R Behrisch , K Plamann , P Andrew , J.P Coad
DOI: 10.1016/S0022-3115(98)00834-4
关键词: Toroid 、 Divertor 、 Jet (fluid) 、 Fusion power 、 Sputtering 、 Tokamak 、 Carbon 、 Torus 、 Chemistry 、 Atomic physics
摘要: Erosion and deposition at the vessel walls of main chamber JET were measured with long term samples during whole operation period Mark I carbon divertor from April 1994 until March 1995. Assuming toroidal symmetry, about 70 g Ni + Cr Fe was found to be eroded inner torus wall 55 Be outer due sputtering by energetic charge-exchange neutrals. Deposition has been on a poloidal section C tiles limiters. Eroded material is redeposited in where it predominantly sides limiters wall. At these deposition-dominated areas total 25 Fe, 28 370 are found. The originates mostly limiters; additionally some may originating plates.
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