Hydrogen and Helium Recycling at Plasma Facing Materials by Rion A. Causey, Tom J. Venhaus (auth.), Ahmed Hassanein

By Rion A. Causey, Tom J. Venhaus (auth.), Ahmed Hassanein (eds.)

A compendium representing the present cutting-edge within the modelling, simulation and physics of the interplay of hydrogen and helium with plasma dealing with fabrics in fusion reactors. this is often the subject that may ensure the good fortune of the creation of strength via destiny Tokamak reactors and it's the following mentioned by way of the world's specialists. subject matters lined are recycling of hydrogen isotopes; wall fuelling and wall pumping; energetic regulate of hydrogen recycling; hydrogen and helium behaviour in solids and liquid metals; and databases for recycling.

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6. White . Beryl1ium oxide (BeO). Ibid [4), vol. 805. 7. Markin. Deuterium accumulation in beryllium in contact with atomic deuterium at 740 K, J. Nucl. Mater. 233-237 (1996) 870. 8. Gavrilov . Deuterium accumulation in beryl1ium oxide layer exposed to deuterium atoms, J. NucI. Mater . 258-263 (1998) 803. 9. Langley . Interaction of implanted deuterium and helium with beryl1ium: Radiation induced oxidation, ibid. 85-86 (1979) 1123. 10. Markin et al. Gas swel1ing and related phenomena in beryllium implanted with deuterium ions, ibid.

5 ) . If the temperature of liner plates is more than 1300 K in normal mode of ITER operation, then, as it was shown above, Be or aC:H films are not formed on the tungsten surface. 5) . In this case erosion of liner plates tends to take place only in form of molten tungsten drops. It is to note, that photon radiation caused by Giant ELMs is not so intensive to cause asymmetrical drop ablation, and the drops are not forced back to the surface by reactive pulse. These tungsten drops have the velocity 10-100 rn/s and their 6 10·4R (urn).

176 & 177 (1990) 3. 3. Matera and the ITER JCT. Beryllium assessment and recommendation for application in ITER plasma facing components. Proc. 3'd lEA Intern. Workshop on Beryl. for Fusion, Oct. 2 . 4. Handbook ofOptical Constants ofSolids, vols. Palik Editor, Academic Press, 1985 and 1991. 5. Von H. Gruner. Einige lichtoptische Eigenschaften rektiv aufgedampfter Beryl1iumoxid-Schichten , Optik, Heft 4 (1974) 443. 6. White . Beryl1ium oxide (BeO). Ibid [4), vol. 805. 7. Markin. Deuterium accumulation in beryllium in contact with atomic deuterium at 740 K, J.

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