Academic literature on the topic 'Anodes – Méthodes de simulation'
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Journal articles on the topic "Anodes – Méthodes de simulation"
Quesnel, Thierry, Gilles Cholley, and Jean-Jacques Lehot. "La simulation en santé : méthodes et approches." Interbloc 38, no. 1 (January 2019): 22–24. http://dx.doi.org/10.1016/j.bloc.2019.01.002.
Full textJuillard, Michel, and Tarik Ocaktan. "Méthodes de simulation des modèles stochastiques d'équilibre général." Économie & prévision 183-184, no. 2 (2008): 115. http://dx.doi.org/10.3917/ecop.183.0115.
Full textOcaktan, Tarik, and Michel Juillard. "Méthodes de simulation des modèles stochastiques d'équilibre général." Économie & prévision 183, no. 2 (2008): 115–26. http://dx.doi.org/10.3406/ecop.2008.7809.
Full textImhoff, Evert Van, and Wendy Post. "Méthodes de micro-simulation pour des projections de population." Population (French Edition) 52, no. 4 (July 1997): 889. http://dx.doi.org/10.2307/1534618.
Full textQuéré, Raymond, Edouard Ngoya, Michel Gayral, Michel Prigent, and Jean Rousset. "Méthodes de simulation des circuits analogiques non linéaires microondes." Annales Des Télécommunications 45, no. 3-4 (March 1990): 113–26. http://dx.doi.org/10.1007/bf02995146.
Full textHennion, Bernard. "Méthodes numériques utilisées dans le programme de simulation électrique ELDO." Annales des Télécommunications 41, no. 1-2 (January 1986): 24–30. http://dx.doi.org/10.1007/bf02998265.
Full textKuss, François, and Frédéric Lebon. "Méthodes duales pour le contact frottant." European Journal of Computational Mechanics 16, no. 1 (January 2007): 33–51. http://dx.doi.org/10.3166/remn.16.33-51.
Full textXueling Zhang, Xinbing Wang, Fujun Liu, and Yanzhao Lu. "Simulation of Microhollow Cathode Discharge With Planar and Hollow Anodes." IEEE Transactions on Plasma Science 37, no. 10 (October 2009): 2055–60. http://dx.doi.org/10.1109/tps.2009.2029108.
Full textGrandmont, Céline, and Yvon Maday. "Analyse et méthodes numériques pour la simulation de phénomènes d'interaction fluide-structure." ESAIM: Proceedings 3 (1998): 101–17. http://dx.doi.org/10.1051/proc:1998042.
Full textPasquier, P., C. Dubost, P. Laitselart, S. Vico, L. Franck, C. Bay, T. Villevieille, and S. Mérat. "Utilisation des méthodes de simulation médicale dans l’enseignement du sauvetage au combat." Annales Françaises d'Anesthésie et de Réanimation 32 (September 2013): A164. http://dx.doi.org/10.1016/j.annfar.2013.07.318.
Full textDissertations / Theses on the topic "Anodes – Méthodes de simulation"
Fortin, Hugues. "Modélisation du comportement thermo-électro-mécanique de l'anode de carbone utilisée dans la production primaire de l'aluminium." Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26702/26702.pdf.
Full textMajidi, Behzad. "Discrete element method simulation of packing and rheological properties of coke and coke/pitch mixtures." Doctoral thesis, Université Laval, 2018. http://hdl.handle.net/20.500.11794/30959.
Full textGlobal aluminum production now is around 60 000 metric tonnes, annually, which is produced by the Hall-Héroult process. The process has mostly kept the original concept developed in 1886. Pre-baked carbon anodes are an important part of the design of aluminum smelting cells. Anodes are part of the chemical reaction of alumina reduction and are consumed during the process. Thus, quality and properties of anodes have direct effects on the performance and economy of the aluminum production in today’s highly competitive market. Although the design of anodes goes back to 130 years ago, effects of raw materials properties on final quality of anodes still need to be investigated. Anodes are composed of granulated calcined coke, binder pitch and recycled anode butts. Pitch at temperatures of mixing and forming steps is a liquid. Hence the mixture is a paste of coke and butts aggregates with pitch acting as binder. Flow and compaction behavior of this mixture, because of the co-existence of a variety of physical, chemical and mechanical parameters are complicated phenomena. Given the importance of high quality and long lasting anodes in performance and so the economy of the reduction cells, understating and predicting the final properties of anodes are very important for smelters. Numerical modeling in such complicated problems can provide a virtual laboratory where effects of different materials or process parameters on anode quality index can be studied without risking the pot performance. However, the choice of the numerical framework is a critical decision which needs to be taken according to the physics of the problem and the geometrical scale of the investigated problems. Discrete Element Method (DEM) is used in this research work to model the anode paste. In the first step, DEM models of coke aggregates are used to simulate the vibrated bulk density test of coke particles and to reveal the parameters involved. As a micromechanical model, DEM provides a unique opportunity to investigate the particle-particle contacts. The developed DEM models of coke aggregates were then used to propose a new dry aggregates recipe exhibiting higher packing density. Packing density of coke aggregates has direct effect on the baked density of anodes. High density is a very favorable anode quality index as it has positive effects on mechanical strength, and consumption rate of anodes in the cell. Electrical resistivity of bed of particles was experimentally measured. Particle-particle contacts information obtained from numerical models were used to explain the electrical resistivity of samples with different size distribution. Results showed that the increase in the number of contacts in volume unit of a sample increases, the electrical resistivity of the particle bed. Packing density also influences the electrical current transfer in granular systems. According to the obtained results, keeping the contacts density as low as possible is beneficial for electrical conductivity if it does not have a negative effect on packing density. Pitch is a viscoelastic material at elevated temperatures. In the present work, rheological properties of pitch and binder matrix (pitch+fine coke particles) were experimentally measured using a dynamic shear rheometer at 135, 140, 145 and 150 ºC. Four-element Burger’s model is then used to model the mechanical behavior of pitch and binder matrix. The verified model is then used to investigate the rheological properties of pitch and coke/pitch mixtures at 150 ºC. Calibrated Burger’s model showed to have a good prediction of viscoelastic properties of pitch and binder matrix at different temperatures. Obtained numerical results showed that available empirical equations in the literature fail to predict the complex modulus of mixtures of pitch and coke particles. As pitch has viscoelastic response and coke particles have irregular shapes, rheology of this mixture is more complicated and needs well-tailored mathematical models. Complex modulus of pitch decreases by increasing the temperature from 135 to 150 ºC, this makes easier the coke/pitch mixtures to flow. DEM modeling showed that the mixture gets a better compaction and so lower porosity by vibro-compacting at higher temperatures. The ability of pitch to penetrate to inter-particle voids in the porous structure of bed of coke particles was also shown to be improved by temperature. Final anode structure with less porosity and so high density is favorable for its mechanical strength as well as its chemical reaction in the cell as Based on the obtained results and considering the physics of the problem, it can be said that discrete element method is an appropriate numerical simulation technique to study the effects of raw materials and the anode paste formulation on mechanical and physical properties of coke/pitch mixtures. The platform created in the course of this research effort, provides a unique opportunity to study a variety of parameters such as size distribution, shape and content of coke particles, content and rheological properties of pitch on densification of coke/pitch mixtures in vibro-compaction process. Outputs of this thesis provide a better understanding of complicated response of anode paste in the forming process.
Vu, Anh Quang. "Etude des mécanismes de corrosion - cicatrisation d'aciers revêtus par des alliages d'aluminium : sur tranche et en zone confinée : approche expérimentale et numérique." Thesis, Dijon, 2012. http://www.theses.fr/2012DIJOS062/document.
Full textThe objective of this work was to study the self healing mechanisms of aluminium based alloy coated steels on cut-edge specimens in confined condition. In situ chemical and electrochemical probe techniques have been used to study the behaviour of two types of sacrificial coatings: one is consisting on an Al alloy containing 55% of Zn (Aluzinc) and the other one contains about 11% of Silicon (Alusi). The results showed that the aluminium based coatings have a sacrificial behaviour which depends strongly on their composition and on the environment concerned. In a corrosive environment containing chlorides it is easier to initiate and / or stabilize the sacrificial behaviour. This is clearly illustrated by the behaviour of the Alusi coating which remains passive in a neutral sulphate solution and therefore does not protect the steel. On the opposite, for 55% Al-Zn coatings, a very stable sacrificial effect has been demonstrated in chloride medium (steel is cathodically protected) which is confirmed in sulphate medium but only for short periods of immersion (t <1 h). An experimental setup allowing pH measurements inside a confined volume representing a lapped joint was designed. The pH evolution over steel and galvanized steel surfaces in confined conditions was monitored. This experimental pH was compared with that calculated using a two-dimensional transport-reaction model only in the case of a confined iron surface. The difference between the experimental and calculated pH in the steady state was attributed to the limitation of the modelling approach, more especially concerning solid phases precipitation inside the cavity
Paris, Adéline. "Contrôle de qualité des anodes de carbone à partir de méthodes statistiques multivariées." Master's thesis, Université Laval, 2020. http://hdl.handle.net/20.500.11794/40352.
Full textPrimary aluminum is produced through the Hall-Héroult process. Carbon anodes are used in this electrolytic process to provide the carbon source for the reaction and to distribute electrical current across the cells. Anode quality influences cell performance. However,increasing raw material variability has rendered the production of high-quality anodes more difficult. The objective of this project is to improve carbon anode quality control before baking by using anode electrical resistivity measurements. Multivariate statistical methods were applied to create two types of models: predictive and explanatory. For a given aggregate, the optimum pitch demand (OPD) is the amount of pitch that yields the best anode properties. High raw material variability causes the OPD to change more frequently, which makes it difficult to add the correct amount of pitch. This can lead to post-baking sticking problems when the optimum is exceeded. A soft sensor was developed based on a principal component analysis (PCA). The integrity of the correlation structure,as measured by the Squared Prediction Error (SPE), appears to break down during high-risk periods for anode sticking. The soft sensor was also tested on data collected during pitch optimization experiments.A sequential multi-block PLS model (SMB-PLS) was developed to determine which parameters influence anode resistivity. Raw material properties, anode formulation and process parameters collectively explain 54 % of the variability in the anode resistivity measurements.The model shows that coke and pitch properties have the greatest impact on green anode electrical resistivity. In addition, the main relationships between process variables implied by the model agree with the relevant literature and process knowledge.
Youn, Lee Kyong Yee. "Simulation mathématique d'un four de cuisson des anodes pour l'électrolyse de l'aluminium." Châtenay-Malabry, Ecole centrale de Paris, 1988. http://www.theses.fr/1988ECAP0219.
Full textLee, Kyong-Yee. "Simulation mathématique d'un four de cuisson des anodes pour l'électrolyse de l'aluminium." Grenoble 2 : ANRT, 1988. http://catalogue.bnf.fr/ark:/12148/cb376150850.
Full textKidd, Jr Michael Scott. "Al-Ga Sacrificial Anodes: Understanding Performance via Simulation and Modification of Alloy Segregation." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/89066.
Full textMaster of Science
Ships must withstand the corrosive effects of salt water in a way that is low cost, reliable, and environmentally friendly. Aluminum has properties which could allow a plate of it to rust instead of a ship it is attached to, thus protecting the ships from rusting. However, because aluminum usually does not rust, gallium can be added to aluminum to allow it to rust. Currently, aluminum-gallium alloys are used commercially to protect ships, but their performance is not consistent. In this research, various aspects of the aluminum-gallium system were simulated in an attempt to understand and potentially correct this reliability issue. Simulations showed that the gallium concentration may not be uniform in the alloy, and various conditions can cause the gallium concentration to be inconsistent. A set of aluminum-gallium alloy plates were cast in molds from liquid aluminum. Some of the plates were cooled quickly, and some cooled slowly. Some samples were later heated in an oven at high temperatures in an attempt to even out the gallium concentration. Samples were subjected to tests to observe corrosion behavior. The corrosion performance of samples was found to be best when subjected to quick cooling rates followed by the oven heating. Testing the samples in cold temperatures seemed to remove the desired corrosion behavior, suggesting that there are multiple reasons for the inconsistent corrosion behavior of aluminum gallium.
Kidd, Michael Scott Jr. "Al-Ga Sacrificial Anodes: Understanding Performance via Simulation and Modification of Alloy Segregation." Thesis, Virginia Tech, 2019. http://hdl.handle.net/10919/89066.
Full textMaster of Science
Ships must withstand the corrosive effects of salt water in a way that is low cost, reliable, and environmentally friendly. Aluminum has properties which could allow a plate of it to rust instead of a ship it is attached to, thus protecting the ships from rusting. However, because aluminum usually does not rust, gallium can be added to aluminum to allow it to rust. Currently, aluminum-gallium alloys are used commercially to protect ships, but their performance is not consistent. In this research, various aspects of the aluminum-gallium system were simulated in an attempt to understand and potentially correct this reliability issue. Simulations showed that the gallium concentration may not be uniform in the alloy, and various conditions can cause the gallium concentration to be inconsistent. A set of aluminum-gallium alloy plates were cast in molds from liquid aluminum. Some of the plates were cooled quickly, and some cooled slowly. Some samples were later heated in an oven at high temperatures in an attempt to even out the gallium concentration. Samples were subjected to tests to observe corrosion behavior. The corrosion performance of samples was found to be best when subjected to quick cooling rates followed by the oven heating. Testing the samples in cold temperatures seemed to remove the desired corrosion behavior, suggesting that there are multiple reasons for the inconsistent corrosion behavior of aluminum gallium.
Poncet, Philippe. "Méthodes particulaires pour la simulation des sillages tridimensionnels." Phd thesis, Université Joseph Fourier (Grenoble), 2001. http://tel.archives-ouvertes.fr/tel-00004699.
Full textXiao, Yi-Jun. "Contribution aux méthodes arithmétiques pour la simulation accélérée." Marne-la-vallée, ENPC, 1990. http://www.theses.fr/1990ENPC9031.
Full textBooks on the topic "Anodes – Méthodes de simulation"
Cernault, Argan. Simulation des systèmes de production: Méthodes, langages et applications. Toulouse: CEPADUES-Éditions, 1988.
Find full textHuman resources management simulation. Scarborough, Ont: Prentice Hall Canada, 1998.
Find full textRenaud, Lise. Simulation et jeu de simulation: Outils éducatifs appliqués à la santé. Montréal, Qué: Agence d'ARC, 1990.
Find full textDumez, A. Modélisation des systèmes énergétiques: Simulation électronique du régime transitoire et de la régulation thermique des locaux. Paris: Technique et documentation, 1988.
Find full textPsychophysiology: Some simple concepts and models. Springfield, Ill., U.S.A: Thomas, 1986.
Find full textKassem, A. M. Démonstration du modèle d'analyse d'utilisation de l'eau (WUAM). Ottawa, Ont: Environnement Canada, 1994.
Find full textDesign simulation: Use of photographic and electronic media in design and presentation. New York: Whitney Library of Design, 1988.
Find full textDesign simulation: Use of photographic and electronic media in design and presentation. New York: Wiley, 1985.
Find full textGilbert, G. Nigel. Simulation for the social scientist. Buckingham: Open University Press, 1999.
Find full textBook chapters on the topic "Anodes – Méthodes de simulation"
Marceau, Étienne. "Méthodes de simulation stochastique." In Modélisation et évaluation quantitative des risques en actuariat, 181–99. Paris: Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0112-4_5.
Full textHamstra, S., and D. Gachoud. "Méthodes : quantitative, qualitative, mixte." In La simulation en santé De la théorie à la pratique, 351–64. Paris: Springer Paris, 2013. http://dx.doi.org/10.1007/978-2-8178-0469-9_35.
Full textCartier, Manuel. "Chapitre 16. Méthodes de simulation." In Méthodes de recherche en management, 524–50. Dunod, 2014. http://dx.doi.org/10.3917/dunod.thiet.2014.01.0524.
Full textBOURINET, Jean-Marc. "Estimation de probabilité d’événements rares." In Ingénierie mécanique en contexte incertain, 153–222. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9010.ch5.
Full textKUZNETSOV, Igor, and Nickolay KUZNETSOV. "Méthodes de simulation rapide en files d’attente pour la résolution de certains problèmes combinatoires de grande taille." In Théorie des files d’attente 1, 167–205. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9001.ch6.
Full text"Chapitre 9 - Effet des paramètres intrumentaux sur la forme et l’intensité du spectre Introduction aux méthodes de simulation." In La spectroscopie de résonance paramagnétique électronique, 259–92. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0914-1-011.
Full text"Chapitre 9 - Effet des paramètres intrumentaux sur la forme et l’intensité du spectre Introduction aux méthodes de simulation." In La spectroscopie de résonance paramagnétique électronique, 259–92. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0914-1.c011.
Full textNAZAROV, Anatoly, János SZTRIK, and Anna KVACH. "Résultats récents en files d’attente avec rappels à sources finies avec collisions." In Théorie des files d’attente 1, 247–97. ISTE Group, 2021. http://dx.doi.org/10.51926/iste.9001.ch8.
Full textConference papers on the topic "Anodes – Méthodes de simulation"
Methekar, Ravi N., Paul W. C. Northrop, Kejia Chen, Richard D. Braatz, and Venkat R. Subramanian. "Kinetic Monte Carlo simulation of surface heterogeneity in graphite anodes for lithium-ion batteries: Passive layer formation." In 2011 American Control Conference. IEEE, 2011. http://dx.doi.org/10.1109/acc.2011.5990792.
Full textZhang, Zexuan, and Ting Wang. "Simulation of Combustion and Thermal-Flow Inside a Petroleum Coke Rotary Calcining Kiln: Part 1—Process Review and Modeling." In ASME 2009 International Mechanical Engineering Congress and Exposition. ASMEDC, 2009. http://dx.doi.org/10.1115/imece2009-12634.
Full textAvdeev, Ilya V., and Mehdi Gilaki. "Explicit Dynamic Simulation of Impact in Cylindrical Lithium-Ion Batteries." In ASME 2012 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/imece2012-88165.
Full textTan, Jaime Hui Choo, Yih Jeng Teng, Allan Magee, Benedict Toong Heng Ly, and Shankar Bhat Aramanadka. "Vortex Induced Motion of TLP With Consideration of Appurtenances." In ASME 2014 33rd International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/omae2014-23420.
Full textGerdes, Kirk, and Randall Gemmen. "Porous Anode Model for Coal Syngas Fuelled SOFC: Combined Mass and Energy Transport Normal to Cell Plane." In ASME 2008 6th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2008. http://dx.doi.org/10.1115/fuelcell2008-65055.
Full textNakate, Prajakta, Domenico Lahaye, Cornelis Vuik, and Marco Talice. "Systematic Development and Mesh Sensitivity Analysis of a Mathematical Model for an Anode Baking Furnace." In ASME 2018 5th Joint US-European Fluids Engineering Division Summer Meeting. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/fedsm2018-83131.
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