Journal ArticleDOI
Hydrogen isotope retention in beryllium for tokamak plasma-facing applications
Robert A. Anderl,Rion A. Causey,J.W. Davis,R.P. Doerner,G. Federici,A.A. Haasz,G. R. Longhurst,William R. Wampler,K.L. Wilson +8 more
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In this article, the authors review experimental data regarding hydrogenic atom inventories in experiments pertinent to tokamak applications and show that with some very plausible assumptions, the experimental data appear to exhibit rather predictable trends.About:
This article is published in Journal of Nuclear Materials.The article was published on 1999-06-01. It has received 99 citations till now. The article focuses on the topics: Beryllium & Joint European Torus.read more
Citations
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Journal ArticleDOI
Plasma{material interactions in current tokamaks and their implications for next step fusion reactors
G. Federici,C. H. Skinner,Jeffrey N. Brooks,J. P. Coad,C. Grisolia,A.A. Haasz,Ahmed Hassanein,V. Philipps,C. S. Pitcher,J. Roth,W R Wampler,Dennis Whyte +11 more
TL;DR: In this article, the authors review the underlying physical processes and the existing experimental database of plasma-material interactions both in tokamaks and laboratory simulation facilities for conditions of direct relevance to next-step fusion reactors.
Journal ArticleDOI
Chapter 4: Power and particle control
A. Loarte,Bruce Lipschultz,A.S. Kukushkin,G. F. Matthews,P.C. Stangeby,Nobuyuki Asakura,G. F. Counsell,G. Federici,A. Kallenbach,K. Krieger,A. Mahdavi,V. Philipps,Detlev Reiter,J. Roth,J. D. Strachan,D.G. Whyte,R.P. Doerner,T. Eich,W. Fundamenski,A. Herrmann,M.E. Fenstermacher,Philippe Ghendrih,M. Groth,A. Kirschner,S. Konoshima,Brian LaBombard,Peter Lang,A.W. Leonard,P. Monier-Garbet,Rudolf Neu,H.D. Pacher,B. Pégourié,R.A. Pitts,Shuichi Takamura,J. L. Terry,E. Tsitrone +35 more
TL;DR: In this paper, the authors describe the processes that will determine the properties of the plasma edge and its interaction with material elements in ITER and compare their predictions with the new experimental results.
Journal ArticleDOI
Recent analysis of key plasma wall interactions issues for ITER
J. Roth,E. Tsitrone,A. Loarte,Th. Loarer,G.F. Counsell,Rudolf Neu,V. Philipps,S. Brezinsek,Michael Lehnen,P. Coad,Ch. Grisolia,Klaus Schmid,K. Krieger,A. Kallenbach,Bruce Lipschultz,R.P. Doerner,Rion A. Causey,V.K. Alimov,W. M. Shu,O. V. Ogorodnikova,A. Kirschner,Gianfranco Federici,A.S. Kukushkin +22 more
TL;DR: In this paper, different aspects of the PWI are assessed in their importance for the initial wall materials choice: CFC for the strike point tiles, W in the divertor and baffle and Be on the first wall.
Journal ArticleDOI
Hydrogen isotope retention and recycling in fusion reactor plasma-facing components
TL;DR: An overview of the available data on hydrogen isotope retention and recycling for beryllium, tungsten, carbon, and selected liquid metals can be found in this paper, where recommendations are made as to the most appropriate values to use for parameters such as diffusivity, solubility, recombination rate coefficient, and trapping.
Journal ArticleDOI
Tritium inventory in ITER plasma-facing materials and tritium removal procedures
J. Roth,Emmanuelle Tsitrone,Thierry Loarer,V. Philipps,S. Brezinsek,A. Loarte,Glenn F Counsell,R.P. Doerner,Klaus Schmid,Olga V. Ogorodnikova,R. Causey +10 more
TL;DR: In this paper, the authors present an integrated operational scheme to slow the rate of tritium accumulation, which includes plasma operation as well as conditioning procedures, based on the main results from present fusion devices in this field.
References
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BookDOI
Applications of Ion Beams to Metals
TL;DR: In this article, the effects of ion explosion on thin film Oxidation behavior of Zircaloy-4 and Zr-1.0 Nb have been investigated using a backscattering method.
Journal ArticleDOI
A calculation of the surface recombination rate constant for hydrogen isotopes on metals
TL;DR: The surface recombination rate for hydrogen isotopes on a metal has been calculated using a simple model whose parameters may be determined by direct experimental measurements as discussed by the authors, using the experimental values for hydrogen diffusivity, solubility, and sticking coefficient at zero surface coverage.
Journal ArticleDOI
In-vessel tritium retention and removal in ITER
G. Federici,R. A. Anderl,P.L. Andrew,Jeffrey N. Brooks,R. A. Causey,J. P. Coad,D. Cowgill,R. P. Doerner,A.A. Haasz,G. Janeschitz,Wolfgang Jacob,G. R. Longhurst,R. Nygren,A. Peacock,M Pick,V. Philipps,J. Roth,C. H. Skinner,W R Wampler +18 more
TL;DR: In this article, the authors present the results of current predictions both in terms of implantation and codeposition rates, and critically discuss their uncertainties and sensitivity to important design and operation parameters such as the plasma edge conditions, the surface temperature, the presence of mixed-materials, etc.
Journal ArticleDOI
Ion-beam studies of hydrogen-metal interactions
TL;DR: Theoretical studies coupled with ion implantation and ion-beam analysis have provided a large body of new quantitative information on hydrogen interactions within metal matrices and at metal surfaces as discussed by the authors.
Journal ArticleDOI
Deuterium permeation and diffusion in high-purity beryllium
TL;DR: In this article, the gas-driven permeation technique was used to measure the deuterium permeation rate through high-purity beryllium membranes, and the effective diffusivities of the samples were determined.
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Recent analysis of key plasma wall interactions issues for ITER
J. Roth,E. Tsitrone,A. Loarte,Th. Loarer,G.F. Counsell,Rudolf Neu,V. Philipps,S. Brezinsek,Michael Lehnen,P. Coad,Ch. Grisolia,Klaus Schmid,K. Krieger,A. Kallenbach,Bruce Lipschultz,R.P. Doerner,Rion A. Causey,V.K. Alimov,W. M. Shu,O. V. Ogorodnikova,A. Kirschner,Gianfranco Federici,A.S. Kukushkin +22 more