Results 41 to 50 of about 262 (145)

Impact of Fractures on CO2 Storage Monitoring: Keys for an Integrated Approach Impact de la présence de fractures pour le monitoring des stockages de CO2 : éléments pour une approche intégrée

open access: yesOil & Gas Science and Technology, 2012
The monitoring of CO2 storage in fractured reservoirs (depleted hydrocarbon fields or brine aquifers) requires the study of the impact of fracturation and fluid substitution on seismic data.
Dubos-Sallée N.   +4 more
doaj   +1 more source

Description and Convergence Order Analysis of the Finite Element‐Volume Spatial Discretization Method

open access: yesInternational Journal for Numerical Methods in Fluids, Volume 97, Issue 9, Page 1189-1208, September 2025.
This article presents the principles of Finite Element‐Volume discretization and conducts an analysis of its properties and convergence orders. The discretization ensures local mass conservation, second‐order convergence for velocity, and first‐order convergence for pressure.
Maria Adela Puscas   +3 more
wiley   +1 more source

Confort thermique d’un local d’habitation: Simulation thermoaéraulique pour différents systèmes de chauffage

open access: yesRevue des Énergies Renouvelables, 2012
Le choix du mode de chauffage dans une habitation est un facteur important pour assurer le confort des habitants, ainsi que la réduction des besoins en chauffage, qui elle-même participe à la réduction des gaz à effet de serre.
F. Boudali Errebai   +4 more
doaj  

Apport des expériences de mécaniques des roches à la géologie structurale des bassins sédimentaires Contribution of Rock-Mechanics Experiments to the Stuctural Geology of Sedimentary Basins

open access: yesOil & Gas Science and Technology, 2006
Dans le but de préciser le domaine d'application des expériences de Mécanique des Roches à la Géologie Structurale, l'auteur définit d'abord les ordres de grandeur des différents facteurs qui contrôlent, dans la nature, les relations contrainte ...
Poulet M.
doaj   +1 more source

Microcylinder and Slot Combination for Flow Separation Control Over a Wind Turbine Airfoil

open access: yesWind Energy, Volume 28, Issue 7, July 2025.
ABSTRACT This study explores a novel passive flow control strategy combining a microcylinder and slot configuration to mitigate flow separation over an S809 wind turbine airfoil under stall conditions at a Reynolds number of 106. Numerical simulations are conducted using the Reynolds‐averaged Navier–Stokes (RANS) approach. The primary objectives are to
Sami Bouterra   +3 more
wiley   +1 more source

What Does the Modelling of Reactive Flows Ask of Cfd ? Que demande la modélisation des flux réactifs à la CFD ?

open access: yesOil & Gas Science and Technology, 2006
This contribution emphasises physically based models for the mixing-reaction coupling. The fluid mechanical information needed to implement such models can then be identified.
Bourne J. R.
doaj   +1 more source

Subcycling Strategy for Finite‐Volume Updated‐Lagrangian Methods Applied to Fluid–Structure Interaction

open access: yesInternational Journal for Numerical Methods in Engineering, Volume 126, Issue 11, 15 June 2025.
ABSTRACT In this article, we propose and investigate an explicit partitioned method for solving shock dynamics in fluid–structure interaction (FSI) problems. The method is fully conservative, ensuring the local conservation of mass, momentum, and energy, which is crucial for accurately capturing strong shock interactions.
Teddy Chantrait   +4 more
wiley   +1 more source

Modeling of NOx and Soot Formation in Diesel Combustion Modélisation de la formation des NOx et de la suie en combustion diesel

open access: yesOil & Gas Science and Technology, 2006
An approach to model the formation and oxidation or reduction of soot and NO in turbulent diffusion flames is presented. The model is based on the flamelet library approach and extended to account for radiative heat losses in the flame. Due to the rather
Dederichs A. S., Balthasar M., Mauss F.
doaj   +1 more source

MR Elastography for Classification of Focal Liver Lesions Using Viscoelastic Parameters: A Pilot Study Based on Intrinsic and Extrinsic Activations

open access: yesJournal of Magnetic Resonance Imaging, Volume 61, Issue 6, Page 2525-2540, June 2025.
Background Intrinsic activation MR elastography (iMRE) uses cardiovascular pulsations to assess tissue viscoelastic properties. Applying it to focal liver lesions extends its capabilities. Purpose To assess the viscoelastic parameters of focal liver lesions measured by iMRE and compare its diagnostic performance with extrinsic MRE (eMRE) for ...
Amirhosein Baradaran Najar   +12 more
wiley   +1 more source

Rhéologie des boues de stations d'épuration : études préliminaires pour la maîtrise des stockages et épandages

open access: yesSciences, Eaux & Territoires, 1998
Les boues résiduaires pâteuses sont des matériaux au comportement complexe. Trop fluides pour tenir sous forme de tas, elles sont néanmoins trop solides pour être épandues correctement avec les moyens mécaniques actuellement utilisés en agriculture ...
J.C. BAUDEZ, P. COUSSOT, F. THIRION
doaj  

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