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Fusion Science and Technology
Latest News
Framatome signs contracts with Sizewell C
French nuclear developer Framatome is slated to deliver key equipment for Sizewell C Ltd.’s two large reactors planned for the United Kingdom’s Suffolk coast.
The agreement, reportedly worth multiple billions of euros, was announced this week and will involve Framatome from the design phase until commissioning. The company also agreed to a long-term fuel supply deal. Framatome is 80.5 percent owned by France’s EDF and 19.5 percent owned by Mitsubishi Heavy Industries.
Michel Martin, Cyril Gauvin, Géraldine Moll, Olivier Raphaël, Olivier Legaie, Laurent Jeannot
Fusion Science and Technology | Volume 63 | Number 2 | March-April 2013 | Pages 82-86
Technical Paper | Selected papers from 20th Target Fabrication Meeting, May 20-24, 2012, Santa Fe, NM, Guest Editor: Robert C. Cook | doi.org/10.13182/FST13-A16324
Articles are hosted by Taylor and Francis Online.
Smooth and uniform solid D-T layers inside a spherical shell are needed to achieve ignition on the Laser Megajoule (LMJ) facility. The thermal environment around the capsule is the key to reach the low-mode D-T layer requirements. During the nineteenth Target Fabrication Meeting in Orlando, Florida (2010), an analytical model was presented to predict the low-mode time evolution of a D-T layer in a capsule caused by a thermal perturbation. The model showed that the dynamical response is ruled by the redistribution time constant. To check the validity of the model, experiments have been done with deuterium layers inside an integrating sphere. The use of an infrared laser to generate a volumetric heating of the deuterium allowed us to tune the conformation time constant. The experimental setup has also been modified to allow or cancel 300-K infrared radiation entering the integrating sphere, producing a local warming on the capsule. Using shadowgraphy techniques, we have been able to follow the dynamical behavior of the deuterium layer. Analyses conclude that the analytical model is right and can be used with confidence.