Zobrazeno 1 - 10
of 69
pro vyhledávání: '"Guillaume Ricciardi"'
Publikováno v:
Nuclear Engineering and Technology, Vol 54, Iss 7, Pp 2714-2719 (2022)
The present paper proposes some new computational methods and results in the framework of flow computation through congested domains seen as porous media, as it can be found in the core of a Pressurized Water Reactor (PWR). The flow is thus mostly go
Externí odkaz:
https://doaj.org/article/6a535aa31dc1466c934489cb3ce829fc
Autor:
Guillaume Ricciardi
Publikováno v:
Science and Technology of Nuclear Installations, Vol 2020 (2020)
This paper focuses on fluid forces acting on a confined cylinder subjected to axial flow in application to fuel assembly dynamic behavior. From the literature, it is difficult to estimate the damping induced by the flow. Therefore, it is proposed to
Externí odkaz:
https://doaj.org/article/57fdf792d141403a90f2c3a72db0bb97
Publikováno v:
Applied Sciences, Vol 12, Iss 4, p 1784 (2022)
Fuel rod cladding failure in a nuclear reactor produces different phenomena related to vibrations and fluid–structure interaction. The most significant aspect of those phenomena is the creation of a pressure wave at the failure position and its pro
Externí odkaz:
https://doaj.org/article/1f87e1fd6a9442b2ac9992e400fda936
Publikováno v:
Fluids, Vol 5, Iss 2, p 64 (2020)
The proposed research takes place in the framework of the analysis of the mechanical consequences of accidental scenarios for pressurized water reactors (PWR). It is particularly dedicated to the effects of the propagation of a transverse rarefaction
Externí odkaz:
https://doaj.org/article/67ce62a7fdc54fc2987a1ca74b5709fb
Autor:
Mathieu Darnajou, Antoine Dupré, Chunhui Dang, Guillaume Ricciardi, Salah Bourennane, Cédric Bellis
Publikováno v:
Sensors, Vol 19, Iss 17, p 3679 (2019)
The investigation of quickly-evolving flow patterns in high-pressure and high-temperature flow rigs requires the use of a high-speed and non-intrusive imaging technique. Electrical Impedance Tomography (EIT) allows reconstructing the admittivity dist
Externí odkaz:
https://doaj.org/article/96f7ac90349d47739e00214dd8cb950e
Publikováno v:
Science and Technology of Nuclear Installations, Vol 2010 (2010)
We present experimental results on 9 reduced-scale fuel assemblies arranged in a network of 3 by 3, subjected to an axial flow. The objective is to analyse the fluid force induced by the motion of the central fuel assembly on the others fuel assembli
Externí odkaz:
https://doaj.org/article/a457fe407e1e4fcebb8df5e81fb524e6
Autor:
Daniele Vivaldi, Guillaume Ricciardi
Publikováno v:
Volume 3: Fluid-Structure Interaction; High Pressure Technology.
Fluid-structure interactions (FSI) are a safety and operation concern in nuclear power plants. Numerical simulation can represent a useful approach to investigate and predict such mechanisms. Nevertheless, the very high computational resources requir
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1cd758463c784f3d8c3ba7ceddeef007
https://doi.org/10.1115/pvp2022-81755
https://doi.org/10.1115/pvp2022-81755
Autor:
Mathieu Darnajou, Chunhui Dang, Saba Mylvaganam, Cédric Bellis, Guillaume Ricciardi, Salah Bourennane
Publikováno v:
SSRN Electronic Journal.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b082da0004c276e9a6d4cffb5544f585
https://doi.org/10.2139/ssrn.4003234
https://doi.org/10.2139/ssrn.4003234
Publikováno v:
Journal of Fluid Mechanics
Journal of Fluid Mechanics, 2022, 943, ⟨10.1017/jfm.2022.433⟩
Journal of Fluid Mechanics, 2022, 943, ⟨10.1017/jfm.2022.433⟩
Earthquakes are a great challenge for the safety of nuclear reactors. To address this challenge, we need to better understand how the reactor core responds to seismic forcing. The reactor core is made of fuel assemblies, which are themselves composed
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::10cc596642afe772990afa344a3920b3
http://arxiv.org/abs/2110.15924
http://arxiv.org/abs/2110.15924
Autor:
Christophe Destouches, Veronica d'Ambrosi, Daniel Parrat, Jean-Marie Gatt, Frédéric Lebon, Jérôme Julien, Guillaume Ricciardi, S. Breaud
Publikováno v:
Nuclear Engineering and Design
Nuclear Engineering and Design, 2021, 379, pp.111214. ⟨10.1016/j.nucengdes.2021.111214⟩
Nuclear Engineering and Design, Elsevier, 2021, 379, pp.111214. ⟨10.1016/j.nucengdes.2021.111214⟩
Nuclear Engineering and Design, 2021, 379, pp.111214. ⟨10.1016/j.nucengdes.2021.111214⟩
Nuclear Engineering and Design, Elsevier, 2021, 379, pp.111214. ⟨10.1016/j.nucengdes.2021.111214⟩
International audience; Pellet-Cladding Interaction (PCI) in a Light Water Reactor is one of the major concerns to guarantee clad integrity while attempting at increasing the flexibility of PWR nuclear reactor operations to follow power grid demand.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4015d7300dc72ec71076fb43c27aa806
https://hal.science/hal-03354113/file/DAmbrosi2021.pdf
https://hal.science/hal-03354113/file/DAmbrosi2021.pdf