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Journal Articles

Ground-state configuration of neutron-rich $$^{35}$$Al via Coulomb breakup

Chakraborty, S.*; Datta, U.*; Aumann, T.*; Beceiro-Novo, S.*; Boretzky, K.*; Caesar, C.*; Carlson, B. V.*; Catford, W. N.*; Chartier, M.*; Cortina-Gil, D.*; et al.

Physical Review C, 96(3), p.034301_1 - 034301_9, 2017/09

 Times Cited Count:2 Percentile:27.8(Physics, Nuclear)

no abstracts in English

Journal Articles

ITER test blanket module error field simulation experiments at DIII-D

Schaffer, M. J.*; Snipes, J. A.*; Gohil, P.*; de Vries, P.*; Evans, T. E.*; Fenstermacher, M. E.*; Gao, X.*; Garofalo, A. M.*; Gates, D. A.*; Greenfield, C. M.*; et al.

Nuclear Fusion, 51(10), p.103028_1 - 103028_11, 2011/10

 Times Cited Count:33 Percentile:80.68(Physics, Fluids & Plasmas)

Experiments at DIII-D investigated the effects of ferromagnetic error fields similar to those expected from proposed ITER Test Blanket Modules (TBMs). Studied were effects on: plasma rotation and locking; confinement; L-H transition; edge localized mode (ELM) suppression by resonant magnetic perturbations; ELMs and the H-mode pedestal; energetic particle losses; and more. The experiments used a 3-coil mock-up of 2 magnetized ITER TBMs in one ITER equatorial port. The experiments did not reveal any effect likely to preclude ITER operations with a TBM-like error field. The largest effect was slowed plasma toroidal rotation v across the entire radial profile by as much as $$Delta v/v_{0} sim 50%$$ via non-resonant braking. Changes to global $$Delta n/n_{0}$$, $$Delta v/v_{0}$$ and $$Delta H_{98}/H_{98,0}$$ were $$sim$$3 times smaller. These effects are stronger at higher $$beta$$ and lower $$v_{0}$$. Other effects were smaller.

Journal Articles

Overview of high priority ITER diagnostic systems status

Walsh, M.*; Andrew, P.*; Barnsley, R.*; Bertalot, L.*; Boivin, R.*; Bora, D.*; Bouhamou, R.*; Ciattaglia, S.*; Costley, A. E.*; Counsell, G.*; et al.

Proceedings of 23rd IAEA Fusion Energy Conference (FEC 2010) (CD-ROM), 8 Pages, 2011/03

Journal Articles

The Feasibility of recycling and clearance of active materials from fusion power plants

Zucchetti, M.*; El-Guebaly, L. A.*; Forrest, R. A.*; Marshall, T. D.*; Taylor, N. P.*; Tobita, Kenji

Journal of Nuclear Materials, 367-370(2), p.1355 - 1360, 2007/08

 Times Cited Count:20 Percentile:78.38(Materials Science, Multidisciplinary)

no abstracts in English

Journal Articles

Current challenges facing recycling and clearance of fusion radioactive materials

El-Guebaly, L. A.*; Forrest, R. A.*; Marshall, T. D.*; Taylor, N. P.*; Tobita, Kenji; Zucchetti, M.*

UWFDM-1285, 17 Pages, 2005/11

no abstracts in English

Journal Articles

Reduction of recycling in DIII-D by degassing and conditioning of the graphite tiles

Jackson, G. L.*; Taylor, T. S.*; Allen, S. L.*; Ferron, J.*; Haas, G.*; Hill, D.*; Mahdavi, M. A.*; Nakamura, Hiroo; Osborne, T. H.*; Petersen, P. I.*; et al.

Journal of Nuclear Materials, 162-164, p.489 - 495, 1989/04

 Times Cited Count:26 Percentile:91.59(Materials Science, Multidisciplinary)

no abstracts in English

Oral presentation

Results of ITER test blanket module mock-up experiments on DIII-D

Snipes, J. A.*; Schaffer, M. J.*; Gohil, P.*; de Vries, P.*; Fenstermacher, M. E.*; Evans, T. E.*; Gao, X. M.*; Garofalo, A.*; Gates, D. A.*; Greenfield, C. M.*; et al.

no journal, , 

A series of experiments was performed on DIII-D to mock-up the field that will be induced in a pair of ferromagnetic Test Blanket Modules (TBMs) in ITER to determine the effects of such error fields on plasma operation and performance. A set of coils producing both poloidal and toroidal fields was placed inside a re-entrant horizontal port close to the plasma. The coils produce a localized ripple due to the toroidal field (TF) + TBM up to 5.7%, which is more than four times that expected from a pair of representative 1.3 ton TBMs in ITER. The experiments show that the reduction in the toroidal rotation is sensitive to the ripple. On the other hand, the confinement is reduced by up to 15-18% for local ripple $$ge$$ 3% but is hardly affected at 1.7% local ripple.

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