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Fusion Science and Technology
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IAEA project aims to develop polymer irradiation model
The International Atomic Energy Agency has launched a new coordinated research project (CRP) aimed at creating a database of polymer-radiation interactions in the next five years with the long-term goal of using the database to enable machine learning–based predictive models.
Radiation-induced modifications are widely applicable across a range of fields including healthcare, agriculture, and environmental applications, and exposure to radiation is a major factor when considering materials used at nuclear power plants.
S. W. Haan, J. D. Salmonson, D. S. Clark, D. D. Ho, B. A. Hammel, D. A. Callahan, C. J. Cerjan, M. J. Edwards, S. P. Hatchett, O. L. Landen, J. D. Lindl, B. J. Macgowan, M. M. Marinak, D. H. Munro, H. F. Robey, B. K. Spears, L. J. Suter, R. P. Town, S. V. Weber, D. C. Wilson
Fusion Science and Technology | Volume 59 | Number 1 | January 2011 | Pages 1-7
Technical Paper | Nineteenth Target Fabrication Meeting | doi.org/10.13182/FST10-3723
Articles are hosted by Taylor and Francis Online.
Targets intended to produce ignition on the National Ignition Facility (NIF) are being simulated, and the simulations are used to set specifications for target fabrication. Recent design work has focused on incorporating the implications of NIF experiments that were done in fall 2009 and planning for the campaign in 2010. Near-term experiments will use Ge-doped CH, although Be and diamond are still under active consideration for 2011 and beyond. The emphasis in this paper will be on changes in the requirements over the last year, the characteristics of the 2010 CH-ablator design, and the designs for 2011 and beyond. Capsule defects of particular interest are surface perturbations on the CH ablator and composition variations in the Be shells. Complete tables of specifications are regularly updated for all of the targets. All the specifications are rolled together into an error budget indicating adequate margin for ignition with all of the designs.