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Analysis of flow channel insert deformations influence on the liquid metal flow in DCLL blanket channels

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10.1016/j.fusengdes.2020.111639
 
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hdl:2117/346072

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Di Giulio, Dionisio
Suárez Cambra, DanielMés informacióMés informacióMés informació
Batet Miracle, LluísMés informacióMés informacióMés informació
Mas de les Valls Ortiz, ElisabetMés informacióMés informacióMés informació
Savoldi, Laura
Document typeArticle
Defense date2020-08-01
Rights accessOpen Access
Attribution-NonCommercial-NoDerivs 3.0 Spain
Except where otherwise noted, content on this work is licensed under a Creative Commons license : Attribution-NonCommercial-NoDerivs 3.0 Spain
ProjectEUROfusion - Implementation of activities described in the Roadmap to Fusion during Horizon 2020 through a Joint programme of the members of the EUROfusion consortium (EC-H2020-633053)
Abstract
The dual coolant lithium lead (DCLL) is a candidate to be an effective breeding blanket (BB) concept for nuclear fusion technologies. One critical point of this design is the magnetohydrodynamic (MHD) effects involving Lorentz damping force which produces relevant pressure drop in the eutectic flow. In the framework of the European DEMO, the application of sandwich-like steel-alumina-steel Flow Channel Insert (FCI) seems to be the best solution to reduce the pressure drop by electrically decoupling the liquid PbLi from the Eurofer walls. The impact of the FCI on the PbLi velocity profile is analyzed in this work with a CFD solver implemented on OpenFOAM. Under the assumption of non-buoyant fully developed channel flow the temperature map in the channel is computed. Based on the temperature field, the induced deformation is evaluated. The effects of the FCI deformation and possible rupture of the FCI on the velocity profile and on the corresponding pressure drop are then parametrically investigated. Results show that the deformation of the FCI and the possible break in the Hartmann wall do not lead to significant variations in the pressure drop from the case of intact FCI in a wide range of interaction parameters.
CitationDi Giulio, D. [et al.]. Analysis of flow channel insert deformations influence on the liquid metal flow in DCLL blanket channels. "Fusion engineering and design", 1 Agost 2020, vol. 157, núm. 111639, p. 1-7. 
URIhttp://hdl.handle.net/2117/346072
DOI10.1016/j.fusengdes.2020.111639
ISSN0920-3796
Publisher versionhttps://www.sciencedirect.com/science/article/pii/S0920379620301873
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  • Departament de Física - Articles de revista [1.714]
  • GREENTECH - Grup de Recerca en Tecnologies Renovables - Articles de revista [21]
  • ANT - Advanced Nuclear Technologies Research Group - Articles de revista [113]
  • Doctorat en Enginyeria Nuclear i de les Radiacions Ionitzants - Articles de revista [30]
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