Academic literature on the topic 'Centrale thermique'
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Journal articles on the topic "Centrale thermique"
Arsene Bhellys Kouame, Andre, Linda Melissa Affoue N’guesan, Anny Adjoua Chantal Kra, Ya Madina Ouattara, Sekou Souare, Chimene Pulcherie Guiegui, Irel Narcisse Arnaud Aka, and Aime Francois Tchicaya. "Étude des atteintes auditives dans une centrale thermique en Guinée." Archives des Maladies Professionnelles et de l'Environnement 81, no. 5 (October 2020): 705. http://dx.doi.org/10.1016/j.admp.2020.03.712.
Full textRoussy, J. "Etudes expérimentales du comportement en décharge de suies de centrale thermique." Journal français d’hydrologie 21, no. 2 (1990): 217–28. http://dx.doi.org/10.1051/water/19902102217.
Full textAuvray, Cedric, Sébastien Ledoux, Bérénice Diaz, Christophe Yvon, and Adeline Pouget-Cuvelier. "Méthodologie d'étude des impacts d'une centrale d'énergie thermique des mers (ETM) en Martinique." La Houille Blanche, no. 2 (April 2015): 60–66. http://dx.doi.org/10.1051/lhb/20150020.
Full textMoufti, A., S. Jemjami, M. Mountadar, and A. Hamdani. "Défluoruration des eaux d'exhaure de Youssoufia (Maroc) par percolation sur les cendres volantes de charbon." Revue des sciences de l'eau 17, no. 4 (April 12, 2005): 463–70. http://dx.doi.org/10.7202/705543ar.
Full textElhadaf, Houda, and Mohamed Tkiouat. "Audit de la maintenance et stratégie d'amélioration : une étude de cas." Revue Française de Gestion Industrielle 29, no. 3 (September 1, 2010): 99–121. http://dx.doi.org/10.53102/2010.29.03.635.
Full textRoyant-Parola, S. "La mélatonine : un hypnotique miracle ?" European Psychiatry 30, S2 (November 2015): S82. http://dx.doi.org/10.1016/j.eurpsy.2015.09.364.
Full textGautier, Emmanuèle, and François Costard. "Les systèmes fluviaux à chenaux anastomosés en milieu périglaciaire : la Léna et ses principaux affluents (Sibérie centrale)." Géographie physique et Quaternaire 54, no. 3 (October 2, 2002): 327–42. http://dx.doi.org/10.7202/005647ar.
Full textColin, Clément, Nacima Baron-Yelles, and Jean-Louis Kerouanton. "Les ambiguïtés et les limites de la construction patrimoniale d’une industrie en activité. Le cas de la Centrale thermique de Cordemais." Norois, no. 228 (September 30, 2013): 65–75. http://dx.doi.org/10.4000/norois.4736.
Full textGérôme, Noëlle. "Les élans de l’ethnographe et les rigueurs de l’histoire. La nationalisation des industries de l’électricité et la centrale thermique de Gennevilliers." Bulletin d'histoire de l'électricité 29, no. 1 (1997): 125–32. http://dx.doi.org/10.3406/helec.1997.1529.
Full textMullens, Eric, Schérazade Loucif, and Joëlle Pottier. "Sommeil et travail à horaires atypiques. Un médecin du sommeil intervient en salle de commande d’une centrale thermique EDF en 2013 et 2014." Médecine du Sommeil 12, no. 1 (January 2015): 54–55. http://dx.doi.org/10.1016/j.msom.2015.01.097.
Full textDissertations / Theses on the topic "Centrale thermique"
Cazin-Bourguignon, Anne-Marie. "Contribution à l'étude du bilan thermique du récepteur de la centrale thémis." Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37596542t.
Full textCazin-Bourguignon, Anne-Marie. "Contribution a l'etude du bilan thermique du recepteur de la centrale themis." Paris 6, 1986. http://www.theses.fr/1986PA066218.
Full textScolan, Simon. "Développement d'un outil de simulation et d'optimisation dynamique d'une centrale solaire thermique." Thesis, Pau, 2020. http://www.theses.fr/2020PAUU3007.
Full textIn the current climate and energy context, solutions must be found to gradually replace the use of fossil fuels. Solar thermal energy is a resource with great potential that is still insufficiently exploited in France on an industrial scale. In this context, large solar thermal installations are increasingly studied. Currently, a majority of studies focus on optimizing the sizing of the plants based on standard operating strategies. This manuscript offers a mathematical resolution methodology for the simulation and dynamic optimization of a solar thermal plant. This type of optimization makes it possible to take into account the dynamics of this system and in particular the slow dynamics of a thermal energy storage. It is carried out by exploiting the degrees of freedom of the problem. By leaving certain design parameters free, dynamic optimization makes it possible to optimize the operation and sizing of the plant simultaneously.The different elements of a solar thermal plant (solar field, heat exchanger, thermal energy storage, pumps, pipes) are modeled and form a Differential Algebraic Equation system. We have described the orthogonal collocation method which allows to discretize these equations and thus, to obtain a system comprising only algebraic equations. Different models are confronted with experimental data from a plant located in Condat-sur-Vézère (France). Their precision is quantified. The development of a method by successive simulations and initializations allowed us to carry out the dynamic simulation of a solar thermal plant. However, certain operating constraints (control rules necessary to saturate the degrees of freedom) are difficult to formulate in a coherent and implementable way in the GAMS software used in this work. The interest of using dynamic optimization is to take advantage of the degrees of freedom of the problem in order to minimize / maximize an objective function (while respecting the constraints of the problem) without having to formulate constraints to saturate them.A first dynamic optimization problem was formulated and then solved, using an equation-oriented strategy. Over a five-day time horizon and with a fixed plant sizing, we have maximized the benefits from the sale of solar heat to a consumer by optimizing the operation of the plant. This notably brought to light counter-intuitive operating strategies allowing a significant improvement of the objective function compared to more standard strategies. In particular, the use of a dynamic inclination of the flat-plate collectors (as with a solar tracking device) has proved effective, on the one hand, to increase the energy captured by the solar field and, on the other hand, to handle possible overheating by defocusing the collectors from the maximum energy capture trajectory. The use of a thermal energy storage was also useful to allow the phase difference between production and demand.The formulation of a second optimization problem, over a time horizon of one year, made it possible to minimize the average cost of solar heat sold to the consumer (over the duration of the project) by determining the optimal sizing of the plant and the optimal time profiles of the operating variables as a function of the load curve. Difficulties have been encountered, in particular to maintain consistent operation over the optimization period. Finally, we listed a number of leads that could potentially improve the results obtained
Mirat, Clément. "Analyse des instabilités de combustion dans des foyers de centrale thermique fonctionnant au fioul lourd." Thesis, Châtenay-Malabry, Ecole centrale de Paris, 2015. http://www.theses.fr/2015ECAP0037/document.
Full textVibratory crises have been observed in EDF thermal power plants operating with heavy fuel oil. Such instabilities may lead to shutdown and damage the boiler. This work deals with combustion instabilities that can take place in boilers equipped with steam-assisted atomizers and where the airflow is swirled. These vibratory phenomena result from a resonant coupling between the combustion dynamics and the boiler acoustics. Analyses of combustion dynamics of non-premixed swirling spray flames remain rare and are difficult to realize on the real system. The objective of this work is to analyze the stability of EDF boilers using the response of generic non-premixed swirling spray flames submitted to acoustic velocity disturbances. This response is determined on an original device (DIFAV) equipped with a swirling vane and a twin-fluid atomizer operated with steam and dodecane. This burner is equipped with the main elements of those used in the thermal power plant, but has a reduced scale of 1/7000. The influence of the injector geometry and of the operating conditions on the spray generated by the injector can be studied. Spray visualizations at the outlet of the injector reveal the relationship between the topology of the two-phase flow in the injector and the measured droplet size. Measurements of the droplet diameter and velocity as a function of the gas-to-liquid ratio (GLR) have been performed at the outlet of the injector. These data have been compared to models and were used to estimate the evolution of the droplets diameter as a function of the GLR generated by the industrial injector. A modal analysis of the DIFAV combustor is then carried out and a simplified acoustic model made of three coupled cavities is developed. The natural frequencies and damping rates of the DIFAV combustor are determined experimentally when it is submitted to acoustic modulation. Acoustic simulations are performed with COMSOL Multiphysics on a simplified geometrical model of the industrial boiler. Three low frequency modes established between the plenums and the combustion chamber have been identified and may be unstable. Their sensitivity to modifications of the boiler geometry and boundary conditions are studied. Flame responses subjected to acoustic modulations of the airflow rate are then measured on the DIFAV combustor for several amplitudes and two flames topologies obtained at globally lean condition. Phase-conditioned flame visualizations and measurements of swirl number fluctuations during an acoustic forcing cycle are conducted to explain the mechanisms that control the evolution of gain of the Flame Describing Function (FDF). A high sensitivity of the phase of the FDF to the amplitude of the acoustic disturbance is observed. The Strouhal number based on the airflow velocity and the effective length of the flame is used to transpose these FDF on the industrial burner. FDF are integrated in the acoustic model of the DIFAV setup to carry out a stability analysis and predict the limit cycle oscillations as a function of the combustion chamber length. These calculations are compared to frequencies of self-sustained instability measured at the limit cycles in the DIFAV combustor. A reasonable agreement is obtained showing the validity of the stability analysis for the non-premixed two-phase flames investigated based on the knowledge of their FDF. Finally, a stability analysis of the EDF boiler is conducted with the COMSOL Multiphysics model by including the acoustic flame response of the industrial burner in the simulation. This FDF is deducted from the dimensionless FDF measured on the generic burner. The Rayleigh criterion is used to analyze the stability of the combustor as a function of the flame length for different boundary conditions. Indications are given to improve the stability of the EDF boiler
Kenda, Nitedem Eric. "Stockage thermique à base d'éco-matériaux locaux pour centrale solaire à concentration : cas du pilote CSP4AFRICA." Thesis, Perpignan, 2017. http://www.theses.fr/2017PERP0052/document.
Full textConvinced of the interest and potential of natural materials and industrial waste, this thesis has contributed to the development of heat storage materials (TESM) for CSPs in West Africa. More specifically, this research focused on the valorization of laterite from Burkina Faso, the bottom ashes from the coal-fired power plants of SONICHAR in Niger, residues of calcium carbonate (lime) from the acetylene in Burkina Faso and the vegetable oil of Jatropha curcas from the company Belwet in Burkina Faso. The results of this study showed that Jatropha curcas oil can be considered as a viable alternative to conventional HTF and TESM for CSP operating at 210 °C. The materials elaborated from bottom ashes and laterites present a refractory character due to the presence of mullite and spinel. The addition of lime makes it possible to reduce the melting temperature while preserving the refractory and conductive character of the obtained phases. Due to their stabilities, and the absence of conflict of use, the obtained materials can be used as TESM in CSP at temperatures up to 900 °C
Hoffmann, Jean-Francois. "Stockage thermique pour centrale solaire thermodynamique à concentration mettant en oeuvre des matériaux céramiques naturels ou recyclés." Thesis, Perpignan, 2015. http://www.theses.fr/2015PERP0033/document.
Full textCompare to fossil fuel energy resources, solar energy presents the inherent characteristic given by the very nature of the resource (intermittent availability). This observation highlights the need for thermal energy storage system. This doctoral thesis studies thermal energy storage for concentrating solar power plant, as well as its two essential components: the heat transfer fluid and the thermal energy storage materials. The analysis of the thermocline storage system with filler materials is achieved through experimental and numerical approaches. An innovative alternative for the heat transfer fluid consists to use vegetable oils, which offers comparable thermal properties and operating behavior to conventional thermal fluid. Regarding thermal energy storage materials, many natural and recycled materials can be used. A storage material with controlled geometry is developed from steel industry co-product. The originality of this combination for thermal energy storage combines performance, materials availability at industrial scale while reducing environmental and financial impact
Giraud, Mélanie. "Evaluation de l'impact potentiel d'un upwelling artificiel lié au fonctionnement d'une centrale à énergie thermique des mers sur le phytoplancton." Thesis, Brest, 2016. http://www.theses.fr/2016BRES0007/document.
Full textAs part of the implementation of an Ocean thermal energy conversion (OTEC) pilot plant planned off the Caribbean coast of Martinique by 2020, this thesis aims to assess the potential impacts of deep seawater discharge at the surface on the phytoplankton. The offshore pilot plant NEMO, designed by DCNS and implemented by Akuo Energy anticipates production of approximately 10 MW. The cold and nutrient-rich waters that are pumped in the bottom and discharged at the surface by the heat engine with a flow of roughly 100 000 m3 h-1 should enrich surface waters of the study site, which are particularly poor in nitrate and phosphate. Two campaigns of field measurements in two contrasting seasons (the dry season in November 2013 and the wet season in June 2014) have allowed the description of different physical and biogeochemical parameters that may induce changes in the phytoplankton community. Marked seasonal variability in stratification and biogeochemical parameters occurred, with strong oceanic influences (advection of waters from the Amazon and Orinoco) and atmospheric influences (African dust) potentially enriching the surface layer in nutrients and trace metals during the wet season. In situ microcosms were designed to simulate the discharge of bottom waters into the surface layer under different scenarios. Surface water collected at the chlorophyll maximum(45 m, where the phytoplankton is the most abundant), and at the base of the euphotic layer (80 m, where the phytoplankton is present, but in very low abundance) was enriched with either a weak (2%) or strong (10%) input of bottom waters (1100 m), and incubated for 6 days. Primary production was estimated in both the natural environment, and in the microcosms. These experiments have shown that high input (10%) stimulates the development of micro-phytoplankton, especially diatoms, to the detriment of Prochlorococcus. The response of diatoms could be linked to the input of nitrate and phosphate by the deep seawater.Primary production would be dependent on the composition of the phytoplankton assemblage rather than on the intensity of deep water discharge. Finally, thermal disturbances linked to the discharge of cold water at the surface were assessed using a numerical model (ROMS), which considered the thermal impact threshold of -3°C as recommended by the World Bank Group, and -0.3 °C, corresponding to a 2% dilution with deep water. Even at the lowest threshold (-0.3 °C), the area impacted in the first 150 m of the water column was too low to be detected by the simulation, regardless of the discharge depth. The thermal impact of cold water should therefore be negligible and limited to an area of less than 3 km2. This work provides the first critical step in understanding how bottom water discharge may impact the ecosystem in the longer-term
Fakih, Ahmad. "Étude de l'évolution thermique de surfaces vicinales de monocristaux d’alumine α : réalisation de substrats gabarits pour l’élaboration de nanostructures auto-organisées." Limoges, 2012. http://aurore.unilim.fr/theses/nxfile/default/674804ec-a831-4b14-9394-df97f6305676/blobholder:0/2012LIMO4018.pdf.
Full textNanostructured systems based on heteroepitaxial islands grown onto oxide surfaces are attracting intensive interest due to both the fundamental significance and potential application. In such nanosystems, the control of the shape, and the size of the islands is of prime importance in determining the overall physical properties. In addition, many of the applications so far envisaged also require precise arrangement of these structures into ordered arrays. The use of vicinal surfaces, which show atomic step separated by terraces or facet, appears as an attractive mean to produce self-organized arrays of nanostructures. This work is devoted to the detailed study of the step behaviour on vicinal surfaces of sapphire under annealing treatment. One of the objectives of this work is to identify situations, where the structured surfaces are enough stable to be used as templates. The substrates were annealed from 1000 to 1500 °C during different times ranging from 0. 5 to 64 h and under various environments (air, neutral and oxygen-saturated). The surface morphology was characterized by Atomic Force Microscopy (AFM) and Grazing Incidence Small-Angle X-ray Scattering (GISAXS). The observation of these surfaces allowed us to identify two surface morphologies: the first one corresponds to a one-dimensional ordering of steps and the second one to a two-dimensional ordering. During this work, we have demonstrated that we can control the step-ordering as a function of annealing conditions and miscut angle. Furthermore diffusion mechanisms and step-ordering processes are discussed
Verdier-Gorcias, David. "Stockage thermique de protection à chaleur latente intégré à un récepteur solaire à air pressurisé." Thesis, Perpignan, 2016. http://www.theses.fr/2016PERP0003/document.
Full textThe thesis deals with the problem of thermal inertia and life time of the solar receiver of a Concentrated Solar Power tower plant. A specific attention is paid to the situation of HSGT (Hybridized Solar Gas Turbine) systems using pressurized air as HTF (Heat Transfer Fluid). The intermittence of solar radiation, mainly resulting from cloudy events, causes important temperature fluctuations that contribute to the premature aging. Therefore, a Thermal Energy Storage (TES) is developed for the protection of the receiver. The design focuses on the high temperature section of the receiver. As a consequence of the elevation of temperature in this stage, the expected temperature of the receiver ranges between 600°C and 800°C. Once the receiver is no longer irradiated, the temperature of the outlet air of the receiver, which is 750°C at designed point, decreases below 400°C in less than 15 minutes. The objective is to integrate the TES into the solar receiver to maintain this air temperature higher than 600°C after 15 minutes of discharge. A low capacity TES is targeted. Besides, the storage should enhance the lifetime of the receiver during the operation, by avoiding temperature drops. A test bench is designed based on a technology using both Phase Change Material (PCM) and metallic fins in order to enhance charge and discharge power of the storage unit. The selected metal is copper, because of its great thermal conductivity. The thermal storage medium must operate in the range 600°C – 800°C. The lithium carbonate has been selected mainly because of its phase change temperature, 723°C. A numerical model is developed in order to help the design of the test bench and compare experimental results. The conclusions lead to one-scale design of the thermal storage integrated to the solar receiver
Royer, Agnès. "Evolutions thermique et mécanique de la microstructure de superalliages monocristallins étudiées par diffusion centrale et diffraction (neutrons, rayons [gamma])." Grenoble 1, 1993. http://www.theses.fr/1993GRE10097.
Full textBooks on the topic "Centrale thermique"
Giroux, Marie-Ève. Lutte contre le projet de centrale thermique du Suroît. Montréal: CRISES, 2007.
Find full textArkay, Katherine E. Le choix des réseaux thermiques au Canada. [Ottawa]: Ressources naturelles Canada, 1996.
Find full textCommission of the European Communities. Directorate-General Energy., ed. 24.65 mw. bagasse-fired steam power plant: Demonstration project = Centrale thermique à bagaasse de 24.65 megawatts : projet de demonstration. Luxembourg: Commission of the European Communities, 1986.
Find full textLammers, Herbert B., Thomas F. Lammers, and Everett B. Woodruff. Steam Plant Operation. 8th ed. McGraw-Hill Professional, 2004.
Find full textEnvironmental codes of practice for steam electric power generation: Construction phase. Ottawa: The Branch, 1989.
Find full textl'environnement, Canada Ministère de, and Centre de technologie environnemetnale (Canada). Division de la recherche et des mesures des émissions., eds. Protocoles et spécifications de rendement pour la surveillance continue des émissions gazeuses des centrales thermiques. [Ottawa]: Environnement Canada, 2005.
Find full textAdvanced emission controls for power plants =: Techniques de pointe pour la lutte contre les émissions des centrales thermiques. Paris: Organisation for Economic Co-operation and Development, 1993.
Find full textUnion for the Coordination of Production and Transmission of Electricity., ed. Indisponibilité des centrales thermiques classiques des pays de l'UCPTE pendant la période 1978-90 = Nichtverfügbarkeit der Konventionellen warmekraftwerke der Länder der UCPTE während des Zeitraums 1978-90 = Unavailability of conventional thermal power stations in the UCPTE countries during the period 1978-90. Madrid, España: UCPTE-Secretaria, 1992.
Find full textBook chapters on the topic "Centrale thermique"
Joos, Eric. "Contribution D’un Panache De Centrale Thermique Aux Depots Acides. Calculs A L’aide Du Code Parade De Depots Humides Et De Compositions Chimiques De Pluies." In Physico-Chemical Behaviour of Atmospheric Pollutants, 490–96. Dordrecht: Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-0567-2_73.
Full text"Chapitre 10 • Les centrales thermiques solaires." In Promesses et réalités des énergies renouvelables, 105–14. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0857-1-012.
Full text"Chapitre 10 • Les centrales thermiques solaires." In Promesses et réalités des énergies renouvelables, 105–14. EDP Sciences, 2020. http://dx.doi.org/10.1051/978-2-7598-0857-1.c012.
Full text"Fissuration thermique de structures semi-rigides - essais de simulation (Thermal cracking of semi-rigid structures - simulation tests) L.FRANCKEN Centre de Recherches Routières, Bruxelles, Belgium." In Mechanical Tests for Bituminous Mixes - Characterization, Design and Quality Control, 435–47. CRC Press, 1990. http://dx.doi.org/10.1201/9781482267518-37.
Full textConference papers on the topic "Centrale thermique"
BOUGIS, Jean. "Approche globale des rejets en mer : Usines de dessalement, centrales thermiques et assainissement." In Conférence Méditerranéenne Côtière et Maritime - Coastal and Maritime Mediterranean Conference. Editions Paralia, 2017. http://dx.doi.org/10.5150/cmcm.2017.018.
Full textReports on the topic "Centrale thermique"
Thompson, P. H., A. S. Judge, and T. J. Lewis. Evolution thermique de la lithosphère dans la Province des Esclaves centrale: implications pour la genèse des diamants. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1996. http://dx.doi.org/10.4095/211728.
Full textHaselbacher, Andreas, Michel Arnal, Maurizio Barbato, Alexander Fuchs, Jared Garrison, Turhan Demiray, Philipp Jenny, et al. Joint synthesis “Electricity storage via adiabatic air compression” of the NRP “Energy”. Swiss National Science Foundation (SNSF), January 2020. http://dx.doi.org/10.46446/publication_nrp70_nrp71.2020.3.en.
Full textHaselbacher, Andreas, Michel Arnal, Maurizio Barbato, Alexander Fuchs, Jared Garrison, Turhan Demiray, Philipp Jenny, et al. Synthèse conjointe «Stockage d’électricité par compression adiabatique d’air» du PNR «Energie». Swiss National Science Foundation (SNSF), January 2020. http://dx.doi.org/10.46446/publication_pnr70_pnr71.2020.3.fr.
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