Home / Store / Journals / Electronic Articles / Fusion Science and Technology / Volume 52 / Number 3
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
Format:electronic copy (download)
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.
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