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November 9–12, 2025
Washington, DC|Washington Hilton
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Fusion Science and Technology
Latest News
NNSA awards BWXT $1.5B defense fuels contract
The Department of Energy’s National Nuclear Security Administration has awarded BWX Technologies a contract valued at $1.5 billion to build a Domestic Uranium Enrichment Centrifuge Experiment (DUECE) pilot plant in Tennessee in support of the administration’s efforts to build out a domestic supply of unobligated enriched uranium for defense-related nuclear fuel.
A. R. Raffray, A. E. Robson, M. E. Sawan, G. Sviatoslavsky, I. N. Sviatoslavsky, X. Wang
Fusion Science and Technology | Volume 52 | Number 3 | October 2007 | Pages 603-608
Technical Paper | First Wall, Blanket, and Shield | doi.org/10.13182/FST07-A1554
Articles are hosted by Taylor and Francis Online.
A possible way to address the issue of dry wall survival in a Laser IFE chamber is to use magnetic diversion in order to steer away the ions from the chamber wall (representing ~25-30% of the yield energy). A cusp magnetic field is imposed on to the chamber; the ions from the micro-explosion are trapped within the magnetic field and are directed to more readily accessible and replaceable dump regions at the equator and poles. A large fraction of the magnetic energy can be dissipated in the chamber walls if an electrically resistive structural material is used. An advanced blanket based on a self-cooled liquid breeder (e.g.Pb-17Li or flibe) and SiCf/SiC structure has been proposed for this purpose and a scoping design study performed as part of the High Average Power Laser program effort.This paper summarizes the results of this scoping study, and highlights the advantages of such a concept as well as the key issues that need to be addressed by R&D.
