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Marian, J.*; Becquart, C. S.*; Domain, C.*; Dudarev, S. L.*; Gilbert, M. R.*; Kurtz, R. J.*; Mason, D. R.*; Nordlund, K.*; Sand, A. E.*; Snead, L. L.*; et al.
Nuclear Fusion, 57(9), p.092008_1 - 092008_26, 2017/06
Times Cited Count：115 Percentile：99.16(Physics, Fluids & Plasmas)Under the anticipated operating conditions for demonstration magnetic fusion reactors beyond ITER, structural materials will be exposed to unprecedented conditions of irradiation, heat flux, and temperature. While such extreme environments remain inaccessible experimentally, computational modeling and simulation can provide qualitative and quantitative insights into materials response and complement the available experimental measurements. For plasma facing components such as the first wall and the divertor, tungsten (W) has been selected as the best candidate material due to its superior high-temperature and irradiation properties. In this paper we provide a review of recent efforts in computational modeling of W both as a plasma-facing material as well as a bulk structural material subjected to fast neutron irradiation. We highlight several of the most salient findings obtained via computational modeling and point out a number of remaining future challenges.
PIonescu-Bujor, M.*; Iordachescu, A.*; Napoli, D. R.*; Lenzi, S. M.*; M
rginean, N.*; Otsuka, Takaharu*; Utsuno, Yutaka; Ribas-Arino, J.*; Axiotis, M.*; Bazzacco, D.*; et al.
Physical Review C, 73(2), p.024310_1 - 024310_12, 2006/02
Times Cited Count：26 Percentile：80.01(Physics, Nuclear)no abstracts in English
Irie, Yoshiro; Dooling, J.*; Horan, D.*; Kustom, R.*; Middendorf, M.*; Pile, G.*; Bayley, D.*; Cross, G.*; Gardner, I.*; Glover, M.*; et al.
Proceedings of 10th European Particle Accelerator Conference (EPAC 2006) (CD-ROM), p.321 - 323, 2006/00
Wideband low-output-impedance RF system for the second harmonic cavity in the ISIS synchrotron has been developed by the collaboration between ANL (US), KEK (Japan) and RAL (UK). Low output impedance is realized by the feedback from plate to grid of the final triode amplifier, resulting in less than 30 ohms over a wide frequency range of 2.7 - 6.2 MHz. The vacuum tubes in the driver and final stages are both operated in class A. High power test was performed with a ferrite-loaded second harmonic cavity, where the bias current was swept at 50 Hz repetition rate. The maximum voltage of 12 kV peak per accelerating gap was obtained stably at earlier period of an acceleration cycle. A beam test with this system is planned at the ISIS synchrotron soon.
S and the proton-neutron coupling of intruder statesMason, P.*; Mrginean, N.*; Lenzi, S. M.*; Ionescu-Bujor, M.*; Della Vedova, F.*; Napoli, D. R.*; Otsuka, Takaharu*; Utsuno, Yutaka; Nowacki, F.*; Axiotis, M.*; et al.
Physical Review C, 71(1), p.014316_1 - 014316_8, 2005/01
Times Cited Count：25 Percentile：80.74(Physics, Nuclear)no abstracts in English
