Mostra el registre d'ítem simple
Implementation of two-phase tritium models for helium bubbles in HCLL breeding blanket modules
dc.contributor.author | Fradera, Jordi |
dc.contributor.author | Sedano, L.A. |
dc.contributor.author | Mas de les Valls Ortiz, Elisabet |
dc.contributor.author | Batet Miracle, Lluís |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Física i Enginyeria Nuclear |
dc.contributor.other | Universitat Politècnica de Catalunya. Departament de Màquines i Motors Tèrmics |
dc.date.accessioned | 2012-02-08T12:10:25Z |
dc.date.available | 2012-02-08T12:10:25Z |
dc.date.created | 2011 |
dc.date.issued | 2011 |
dc.identifier.citation | Fradera, J. [et al.]. Implementation of two-phase tritium models for helium bubbles in HCLL breeding blanket modules. "Journal of nuclear materials", 2011, vol. 417, núm. 1-3, p. 739-742. |
dc.identifier.issn | 0022-3115 |
dc.identifier.uri | http://hdl.handle.net/2117/15015 |
dc.description.abstract | Tritium self-sufficiency requirement of future DT fusion reactors involves large helium production rates in the breeding blankets; this might impact on the conceptual design of diverse fusion power reactor units, such as Liquid Metal (LM) blankets. Low solubility, long residence-times and high production rates create the conditions for Helium nucleation, which could mean effective T sinks in LM channels. A model for helium nano-bubble formation and tritium conjugate transport phenomena in liquid Pb17.5Li and EUROFER is proposed. In a first approximation, it has been considered that He bubbles can be represented as a passive scalar. The nucleation model is based on the classical theory and includes a simplified bubble growth model. The model captures the interaction of tritium with bubbles and tritium diffusion through walls. Results show the influence of helium cavitation on tritium inventory and the importance of simulating the system walls instead of imposing fixed boundary conditions. |
dc.format.extent | 4 p. |
dc.language.iso | eng |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject | Àrees temàtiques de la UPC::Energies::Energia nuclear::Reactors nuclears de fusió |
dc.subject.lcsh | Tritium |
dc.subject.lcsh | Fusion reactors |
dc.title | Implementation of two-phase tritium models for helium bubbles in HCLL breeding blanket modules |
dc.type | Article |
dc.subject.lemac | Reactors de fusió nuclear |
dc.contributor.group | Universitat Politècnica de Catalunya. GREENER - Grup de recerca d'estudis energètics i de les radiacions |
dc.rights.access | Restricted access - publisher's policy |
local.identifier.drac | 9573181 |
dc.description.version | Postprint (published version) |
local.citation.author | Fradera, J.; Sedano, L.; Mas De Les Valls, E.; Batet, L. |
local.citation.publicationName | Journal of nuclear materials |
local.citation.volume | 417 |
local.citation.number | 1-3 |
local.citation.startingPage | 739 |
local.citation.endingPage | 742 |
Fitxers d'aquest items
Aquest ítem apareix a les col·leccions següents
-
Articles de revista [603]
-
Articles de revista [178]
-
Articles de revista [472]