Literatura científica selecionada sobre o tema "Modèle CFD Code_Saturne"
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Artigos de revistas sobre o assunto "Modèle CFD Code_Saturne"
Qu, Yongfeng, Maya Milliez, Luc Musson-Genon e Bertrand Carissimo. "Modelling Radiative and Convective Thermal Exchanges over a European City Center and Their Effects on Atmospheric Dispersion". Sustainability 14, n.º 12 (14 de junho de 2022): 7295. http://dx.doi.org/10.3390/su14127295.
Texto completo da fonteTeses / dissertações sobre o assunto "Modèle CFD Code_Saturne"
Alam, Boulos. "Modélisation numérique de la turbulence et de la dispersion atmosphérique par faibles vents en milieu urbain". Electronic Thesis or Diss., université Paris-Saclay, 2023. https://www.biblio.univ-evry.fr/theses/2023/interne/2023UPAST179.pdf.
Texto completo da fonteThis thesis is situated in the context of atmospheric dispersion modeling, particularly in the presence of low winds. Atmospheric pollution sources, often located near the ground and influenced by complex obstacles, generate high concentrations of pollutants nearby, resulting in significant concentration fluctuations. Low winds, typically associated with stable atmospheric conditions, pose a specific challenge in modeling pollutant dispersion, requiring a thorough analysis of meteorological data and adaptation of prediction models. To address this complex challenge, the use of Computational Fluid Dynamics (CFD) is necessary, although further research is needed to validate its effectiveness in the near-field and in the presence of low winds. The Code_Saturne® software (EDF R&D) is selected due to its proven efficiency in simulating atmospheric pollutant dispersion. This thesis is divided into three distinct phases : the first phase focuses on the fundamentals of atmospheric dispersion, exploring the impact of various parameters such as the atmospheric boundary layer structure, atmospheric turbulence, and atmospheric stability. These elements play a crucial role in how pollutants disperse in the air. The second phase details the methodology used in Code_Saturne for conducting simulations, including the turbulence models employed and the criteria for evaluating these models. In addition to traditional isotropic models, this research investigates the use of anisotropic turbulence models to study dispersion in various contexts. The third phase of the thesis concentrates on the evaluation of different turbulence models and velocity-scalar correlations using observations conducted in urban environments under neutral and stable atmospheric conditions. Finally, the last phase of the research explores conditions of low and stable winds, typically characterized by wind speeds below 2 m/s and random wind variations. This phase examines the meandering patterns in pollutant dispersion and assesses the limitations of analytical and CFD models in predicting concentration in such conditions. To this end, a URANS model is developed and evaluated. Ultimately, a segmented Gaussian method is devised to compare the results with CFD predictions and field observations
Trabalhos de conferências sobre o assunto "Modèle CFD Code_Saturne"
Xu, Tingting, Jiesheng Min, Serge Bellet, Richard Howard, Dominique Alvarez e Guofei Chen. "Design Investigation on Flow Diffuser With Code_Saturne: CFD Simulation Analysis". In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67767.
Texto completo da fonteSong, Yuting, Xiangyu Yun, Tian Chen, Huiyong Zhang, Jiesheng Min e Guofei Chen. "Investigation on Gas Dispersion Inside the Large-Scale Containment by CFD Simulation With Code_Saturne for Experimental Scenario Definition". In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67027.
Texto completo da fonteLiu, Jiawei, Puzhen Gao, Tingting Xu, Jiesheng Min e Guofei Chen. "Numerical Simulation of Flow Field Inside Reactor Upper Plenum for PWR With Code_Saturne". In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-68008.
Texto completo da fonteFournier, Yvan, Sofiane Benhamadouche, David Monfort e Dominique Laurence. "Non Conforming Meshes and RANS/LES Coupling: Two Challenging Aims for a CFD Code". In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56340.
Texto completo da fonteChen, Ru, Ronghao Liang, Lu Zhou e Jiesheng Min. "A Sensitivity Analysis of Condensation Phenomena for a Passive Containment Cooling System by Using Code_Saturne Coupled With OpenTURNS". In 2022 29th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/icone29-92164.
Texto completo da fontePe´niguel, Christophe, Marc Sakiz, Sofiane Benhamadouche, Jean-Michel Stephan e Carine Vindeirinho. "Presentation of a Numerical 3D Approach to Tackle Thermal Striping in a PWR Nuclear T-Junction". In ASME 2003 Pressure Vessels and Piping Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/pvp2003-2191.
Texto completo da fonteBenhamadouche, S., P. Moussou e C. Le Maitre. "CFD Estimation of the Flow-Induced Vibrations of a Fuel Rod Downstream a Mixing Grid". In ASME 2009 Pressure Vessels and Piping Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/pvp2009-78054.
Texto completo da fonteLi, Jingya, e Xiaoying Zhang. "CFD Simulation of Passive Containment Cooling System in Hot Leg SB-LOCA for 1000MW PWR". In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66025.
Texto completo da fonteLeclercq, Christophe, Regiane Fortes-Patella, Antoine Archer e Fabien Cerru. "First Attempt on Numerical Prediction of Cavitation Damage on a Centrifugal Pump". In ASME 2017 Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/fedsm2017-69085.
Texto completo da fonteBichet, Th, A. Martin e F. Beaud. "Fluid Flow Separation in Down Comer During a Safety Injection Scenario: Quantitative Experimental Results". In ASME 2004 Heat Transfer/Fluids Engineering Summer Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/ht-fed2004-56029.
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