Energy removal and MHD performance of lithium capillary-pore systems for divertor target application

• Published in: Fusion engineering and design Vol. 49; pp. 195 - 199
• Main Authors: Evtikhin, V.A, Lyublinski, I.E, Vertkov, A.V, Yezhov, N.I, Khripunov, B.I, Sotnikov, S.M, Mirnov, S.V, Petrov, V.B
• Format: Journal Article
• Language: English
• Published: Elsevier B.V 01-11-2000
• Subjects: Beam plasma interactions; Energy removal; Heat flux; Lithium; Lithium capillary-pore systems; Magnetic field effects; Magnetohydrodynamics; MHD performance; Mockups; Tokamak devices; Energy removal; Lithium capillary-pore systems; MHD performance
• ISSN: 0920-3796; 1873-7196
• DOI: 10.1016/S0920-3796(00)00423-3

Experimental results of complex studies of lithium capillary-pore systems (CPS) for application as a plasma facing structure in divertor and on the first wall of a fusion reactor are reported. The ability of CPS to accept and to remove high heat fluxes (up to 30 MW m
−2) in steady-state conditions (tens of minutes) has been evaluated on target plate imitator mock-ups supplied with cooling and lithium feed systems under electron beam power load in a linear plasma facility. Experimental study of lithium flow up to 2.5 m s
−1 in CPS made of material with final conductivity for various mesh sizes and of the effect of cross magnetic field up to 1.6 T on its parameters has been made. The results of successful experiments on the T-11M tokamak helium and hydrogen plasma interaction with a CPS-based lithium limiter and lithium puff influence on the plasma performances are presented and analysed.