Letteratura scientifica selezionata sul tema "Simulations de procédés"
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Articoli di riviste sul tema "Simulations de procédés"
Rocher, Vincent, Cédric Join, Stéphane Mottelet, Jean Bernier, Sabrina Rechdaoui-Guerin, Sam Azimi, Paul Lessard, André Pauss e Michel Fliess. "La production de nitrites lors de la dénitrification des eaux usées par biofiltration - stratégie de contrôle et de réduction des concentrations résiduelles". Revue des sciences de l’eau 31, n. 1 (5 giugno 2018): 61–73. http://dx.doi.org/10.7202/1047053ar.
Testo completoSotomayor, O. A. Z., S. W. Park e C. Garcia. "Modèle de référence pour évaluer différentes stratégies de contrôle dans des usines de traitement des eaux usées". Revue des sciences de l'eau 15, n. 2 (12 aprile 2005): 543–56. http://dx.doi.org/10.7202/705468ar.
Testo completoParré, Élise. "Faire disparaître le bleu du ciel". Sociétés & Représentations N° 57, n. 1 (23 aprile 2024): 35–55. http://dx.doi.org/10.3917/sr.057.0035.
Testo completoAmy, G., J. F. Debroux, R. Arnold e L. G. Wilson. "Emploi de la pré-ozonation pour augmenter la biodégradabilité d'un effluent secondaire dans un système de traitement par inflitration dans le sol". Revue des sciences de l'eau 9, n. 3 (12 aprile 2005): 365–80. http://dx.doi.org/10.7202/705258ar.
Testo completoDereims, Arnaud, Sylvain Drapier, Jean-Michel Bergheau e Patrick de Luca. "Simulation industrielle des procédés d’infusion de résine". Revue des composites et des matériaux avancés 24, n. 1 (30 aprile 2014): 39–52. http://dx.doi.org/10.3166/rcma.24.39-52.
Testo completoGarcía, Juan A., Llanos Gascón, Fernando Sánchez e Francisco Chinesta. "Simulation du remplissage des moules dans les procédés RTM". Revue des composites et des matériaux avancés 13, n. 1 (23 aprile 2003): 85–98. http://dx.doi.org/10.3166/rcma.13.85-98.
Testo completoBellot, J. P., E. Hess, F. Patisson, A. Jardy, T. Senet e D. Ablitzer. "La simulation dynamique appliquée aux procédés d’élaboration de matériaux." Revue de Métallurgie 90, n. 9 (settembre 1993): 1187. http://dx.doi.org/10.1051/metal/199390091187.
Testo completoBéland, Sébastien, David Magis e Gilles Raîche. "Estimation des paramètres d’item et de sujet à partir du modèle de Rasch". Mesure et évaluation en éducation 36, n. 1 (22 aprile 2014): 83–110. http://dx.doi.org/10.7202/1024466ar.
Testo completoTernon, Céline, Anne Kaminski, Delphine Constantin, Lionel Claudon, Fabien Volpi, Loïc Vincent, Quentin Rafhay e Ahmad Bsiesy. "Simulation, élaboration et caractérisation de cellules photovoltaïques". J3eA 13 (2014): 0011. http://dx.doi.org/10.1051/j3ea/2015013.
Testo completoBruchon, Julien, Sylvain Drapier, Guillaume Pacquaut, Nicolas Moulin e Lara Abou Orm. "Simulation par éléments finis des procédés par infusion de résine". Revue des composites et des matériaux avancés 22, n. 3 (31 dicembre 2012): 383–93. http://dx.doi.org/10.3166/rcma.22.383-393.
Testo completoTesi sul tema "Simulations de procédés"
Montmain, Jacky. "Interprétation qualitative de simulations pour le diagnostic en ligne de procédés continus". Grenoble INPG, 1992. http://www.theses.fr/1992INPG0033.
Testo completoAlliet, Marion. "Concepts et outils logiciels pour l'aide à l'analyse des résultats de simulations statiques de procédés". Toulouse, INPT, 1997. http://www.theses.fr/1997INPT004G.
Testo completoWardag, Alam Rahman Khan. "Hydrodynamic and heat transfer study in corrugated wall bubbling fluidized bed experiments and CFD simulations". Doctoral thesis, Université Laval, 2013. http://hdl.handle.net/20.500.11794/24626.
Testo completoWith the endeavor of approaching an ideal allothermal gasifier, recently our group proposed a reactor concept of allothermal cyclic multi-compartment bubbling fluidized beds for biomass gasification with steam. The concept consisted of multiple intercalated parallelepipedic slim gasification and combustion compartments to enhance unit heat integration and thermal efficiency while preventing contact between flue gas and syngas to generate a N2-free high-quality biosyngas. However, the efficiency of contacting between gas and particles in bubbling fluidized beds is dictated to a large extent by the bubble dynamics which impacts mixing, heat and mass transfers. Literature showed that the decrease in clearance between flat walls for slim fluidization enclosures or in diameter for cylindrical vessels would make fluidized beds very sensitive to wall effects and prone to operate in slug flow regime. Since the occurrence of slugging in multi-compartment slim beds could reduce their thermal and chemical efficiency, the objective of current work was to devise suitable strategies in treating the incipient bubbles to suppress the slugging behavior of bed. By considering the effect of walls on bubble growth, we recently employed corrugated plates as separating walls in slim multi-compartment gas solid fluidized beds. Thorough analyses of bubble dynamics and wall-to-bed heat transfer in flat- (FWBFB) and corrugated- (CWBFB) wall bubbling fluidized beds were performed for a variety of wall declinations and operating conditions covering a range of corrugation angles (θ=120o, 90o), average inter-wall clearances (C), initial rest bed heights (Hi) and ratios of gas superficial velocity to minimum bubbling velocity, Ug/Umb. It was observed that gas flowrate required to achieve the incipient bubbling condition was lower in case of CWBFB. A network of neck (minimum clearance) and hip (maximum clearance) locations in CWBFB also promoted bubbles breakup, higher bubble frequency, lower bubble rise velocity and thus all converging into a better gas distribution. CWBFB offered stable gas-solid fluidization operation and lower transport disengagement height as compared to FWBFB. During the experimental work, digital image analysis technique and fast response heat flux probes were employed to study the effects of operating and geometrical parameters on bubble dynamics and wall-to-bed heat transfer. Two artificial neural network correlations valid both for FWBFB and CWBFB were recommended for the estimation of bubble frequency and size (equivalent diameter). Full 3-D transient Euler-Euler CFD simulations with kinetic theory of granular flow were also carried out which helped shaping an understanding of the effects of corrugated walls on increasing the drag force on particles in the converging-diverging high-pressure zones in corrugated walls. The dynamic fluctuations in the simulated solid phase volume fraction, granular temperature and granular pressure were monitored to determine their standard deviations. These revealed notable shifts in the fluidization regime by replacing flat walls with corrugated walls and further revealed that necks were responsible for inception of instabilities as compared to hips. Time averaged contours of simulated gas volume fraction corroborated with experimental findings that CWBFB offered better gas distribution as compared to FWBFB. Axial profiles of simulated time averaged solid volume fraction and granular temperature showed that CWBFB significantly reduced the transport disengagement height as compared to FWBFB.
Paraiso, Kolani. "Modélisation et simulation numérique de l’élaboration du verre dans les procédés de vitrification des déchets nucléaires de haute activité". Electronic Thesis or Diss., Sorbonne université, 2021. http://www.theses.fr/2021SORUS401.
Testo completoThe calcination-vitrification process has been used in France for over 30 years for the containment of high level nuclear waste arising from the spent fuel reprocessing. The use of numerical tools has proved to be essential for the process understanding and optimization. In the past ten years,numerical simulation works on the thermal, hydraulic and electromagnetic aspects involved in the vitrification process have been carried out in the context of the cold crucible development, a new type of furnace commissioned in 2010. As a continuation of these studies, the objective of the phd work is to add to the existing simulations, a modeling of the chemical aspects taking place during the nuclear glass synthesis, especially during the feeding with glass frit and calcine. In this perspective, a kinetic modeling of the reaction mechanism has been proposed based on data from thermal analyses. The coupling of this model with the magneto-thermo-hydraulic simulation tools was implemented and validated based on tests carried out at the mock-up scale and data from the industrial scale. Particular attention has been paid to identifying the nature of chemical reactions
Grolleau, Vincent. "Approche de la validation expérimentale des simulations numériques de la coupe avec prise en compte des phénomèn locaux à l'arête de l'outil". Nantes, 1996. http://www.theses.fr/1996NANT2064.
Testo completoBahrani, Seyed Amir. "Modification des propriétés physico-chimiques de l'amidon par procédés hydrothermiques : Contribution à l'étude des transferts couplés chaleur-masse". Phd thesis, Université de La Rochelle, 2012. http://tel.archives-ouvertes.fr/tel-00823904.
Testo completoPigeon, Laurent. "Environnement Interopérable Distribué pour les Simulations Numériques avec Composants CAPE-OPEN". Phd thesis, Grenoble INPG, 2007. http://tel.archives-ouvertes.fr/tel-00347388.
Testo completoDans le domaine de la simulation des procédés assistée par ordinateur, la complexité logicielle est masquée par le standard CAPE-OPEN qui répond aux besoins d'intégration de codes tiers. Il propose des spécifications d'interfaces, basées sur une approche par composants logiciels tels que DCOM ou CORBA. Cette thèse apporte une solution à la complexité calculatoire. Pour cela, nous étudions le problème de la distribution de la charge de calcul des simulations des procédés sur des architectures de type grappe de calcul dont les composants sont au standard CAPE-OPEN. Une exécution distribuée performante requiert la distribution des activités concurrentes de l'application tout en minimisant le volume de données à échanger via le support de communication.
Dans ce contexte, nous présentons une analyse fine du schéma d'exécution des simulations de procédés qui conduit à la conception de deux environnements distribués d'exécution. Le premier nous a permis de quantifier le gain atteignable sur une grappe de calcul à travers la simulation de plusieurs cas tests métier. Toutefois, les contraintes technologiques industrielles se sont avérées peu propices à l'implémentation d'un environnement distribué visant à s'approcher de l'optimal. Par conséquent, la définition d'un second prototype basé sur le moteur exécutif KAAPI a été mené à bien. Afin de répondre à nos besoins, nous l'avons étendu aux techniques « statiques » d'exécution. Fort de cet environnement, nous avons entrepris d'étudier différentes politiques d'ordonnancement. L'environnement KAAPI couplé à notre extension ouvre de larges perspectives d'études dans le cadre plus large des applications numériques de calcul scientifique.
Esposito, Laura. "Mise en oeuvre de procédés innovants pour l'optimisation de contacts TiSi pour les technologies imageurs avancées". Electronic Thesis or Diss., Aix-Marseille, 2021. http://theses.univ-amu.fr.lama.univ-amu.fr/210319_ESPOSITO_505pj561fjb969hmp55qmrno_TH.pdf.
Testo completoIn image sensor devices, Ti silicides are used to establish contacts between transistors and copper interconnects. A new problematic emerges with the co-integration of Ti-based and Ni-based silicided contacts: the titanium silicide (C54-TiSi2) needs to be formed at a lower temperature than the conventional formation temperature (800°C). In order to reduce the temperature of silicide formation, the influence of nanosecond laser annealing on Ti silicide contact formation has been investigated in this PhD work. To do so, consecutive deposition of Ti and TiN films with thicknesses below 10 nm were carried out after a specific surface treatment. Annealing by UV nanosecond laser (UV-NLA) at different energy densities, different numbers of shots and followed by rapid thermal annealing (RTA) for various temperatures were performed. The different samples were characterized by several methods including: four-point probe measurements, X-ray diffraction, and transmission electron microscopy. The main results obtained with the use of UV-NLA are the following: it enables the formation of an amorphous phase in the solid state and the formation of the metastable C40-TiSi2 phase becomes possible by melting the first nanometers of the substrate. By combining multiple laser shots and a subsequent RTA, the formation of the C54-TiSi2 phase at low temperature of 650 °C has been demonstrated. Studies carried out on doped and/or polycrystalline substrates, as well as on wafers with nanometric patterns indicate that, in the current state, the integration of UV- NLA into the industrial process is more complex than expected. Prospects for promoting the integration of UV-NLA are also discussed
Thibaud, Sébastien. "Contributions à la modelisation des aciers à effet trip en mise en forme : simulations et influences des procédés de fabrication sur le comportement en service". Besançon, 2004. http://www.theses.fr/2004BESA2063.
Testo completoMbaye, Cheikh Tidiane. "Contribution à la simulation dynamique des procédés agro-alimentaires : application au procédé d'extraction de l'huile d'arachide". Châtenay-Malabry, Ecole centrale de Paris, 1996. http://www.theses.fr/1996ECAP0470.
Testo completoLibri sul tema "Simulations de procédés"
E, Edwards John. Process simulation refinery processes: Modelling and optimization. Thornaby: P & I Design Ltd, 2013.
Cerca il testo completoG, Samper Katia, e Haghi Reza K, a cura di. Advanced process control & simulation for chemical engineers. Toronto: Apple Academic Press, 2013.
Cerca il testo completoM, Kontogeorgis Georgios, e Gani R, a cura di. Computer aided property estimation for process and product design. Amsterdam: Elsevier, 2004.
Cerca il testo completoChemical Engineering Process Simulation. Elsevier Science & Technology Books, 2017.
Cerca il testo completoProcess plant simulation. New Delhi, India: Oxford University Press, 2004.
Cerca il testo completoProcess dynamics: Modeling, analysis, and simulation. Upper Saddle River, N.J: Prentice Hall PTR, 1998.
Cerca il testo completoAdvanced Process Control and Simulation for Chemical Engineers. Taylor & Francis Group, 2021.
Cerca il testo completoProcess Modeling and Simulation for Chemical Engineers: Theory and Practice. Wiley, 2017.
Cerca il testo completoUpreti, Simant R. Process Modeling and Simulation for Chemical Engineers: Theory and Practice. Wiley & Sons, Incorporated, John, 2017.
Cerca il testo completoUpreti, Simant R. Process Modeling and Simulation for Chemical Engineers: Theory and Practice. Wiley & Sons, Incorporated, John, 2017.
Cerca il testo completoCapitoli di libri sul tema "Simulations de procédés"
CARIN, Muriel. "La simulation numérique des procédés de fabrication additive". In La fabrication additive des alliages métalliques 1, 209–53. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9054.ch4.
Testo completoRapporti di organizzazioni sul tema "Simulations de procédés"
Faucher, B. F., A. M. LeBlanc, N. Benoît, É. Girard e O. Pedchenko. Physicochemical limnology of lakes in the Rankin Inlet area of Nunavut. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/p4bwndvvbb.
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