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Academic literature on the topic 'Compression mécauique de vapeur'
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Journal articles on the topic "Compression mécauique de vapeur"
Peureux, J. L. "Concentration par évaporation avec compression mécanique de vapeur. Application au traitement des effluents liquides en sidérurgie." Revue de Métallurgie 94, no. 1 (January 1997): 121–28. http://dx.doi.org/10.1051/metal/199794010121.
Full textJedrejak, Stephane, and Jacques Bourgois. "Valorisation des fluides de coupe usésPartie II : cas de l'évaporation à compression mécanique de vapeur." Déchets, sciences et techniques, no. 36 (2004). http://dx.doi.org/10.4267/dechets-sciences-techniques.2152.
Full textDissertations / Theses on the topic "Compression mécauique de vapeur"
Jedrzejak, Stéphane. "Développement d'une méthodologie de sélection intégrée de procédés d'évaporation : application aux fluides de coupe usés de l'Industrie Mécanique." Phd thesis, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2002. http://tel.archives-ouvertes.fr/tel-00800145.
Full textXu, Xiaoqiang. "Modélisation dynamique d'un système frigorifique domestique à compression de vapeur." ENSMP, 1996. http://www.theses.fr/1996ENMP0713.
Full textIn this thesis, a dynamic simulation model and a dynamic exergy analysis of a domestic vapour compression refrigerating system are developed, in order to decrease system energy consumption. The system consists of a compressor, a condenser, a diabatic capillary tube, an evaporator, a capillary tube-suction line heat exchanger and an insulation cabinet. The mathematical model of exchangers is based on mass, momentum and energy conservation equations, in which the refrigerant phase change and the transient and distributive parameters are introduced. The Control-volume formulation and the "SIMPLE C" algorithm are applied in the numerical solutions. The diabatic capillary tube model is distributive and include heat exchange in the tube-suction line exchanger. The critical flow and refrigerant discharge at capillary tube outlet are taken into account. The hermetic compressor model includes lubricant oil effect and heat exchange inside the compressor. The coupling of natural convection and radiation is taken into account in the insulation cabinet model. Once component models have been established, a new iterative solution method for coupling system model is developed. This method presents a "self-convergence" based on the mass balance of exchangers and on compressor and capillary tube characteristics. A method to determine the initial conditon from the refrigerant charge is presented as well. It enables to optimize the system refrigerant charge dynamically over a given operational range. In order to analyze system transient behaviour, a dynamic exergy balance of the refrigeration system has been established. This exergy balance enables to localize and quantify instantaneously system exergy losses, and thus shows the possible system performance improvement. An exergy efficiency for refrigeration system has been defined in order to characterize the thermodynamic perfection of the system in comparison with a correspondent reversible system. The dynamic simulation model and exergy analysis have been used on a domestic regrigerator working with R134a
Silveira, Josemar. "Etude thermo-économique des machines frigorifiques à compression de vapeur." Lyon, INSA, 1997. http://www.theses.fr/1997ISAL0074.
Full textThe optimisation of a refrigeration compression machine or a heat pump is based on the analysis of the thermodynamic cycle and the determination of the irreversibility sources. This exergy method can be refined by including the optimisation of economical parameters. Such a method is called thermos economic method. It consists to relate a lead function to each component of the cycle. Thereafter the unit cost of these essergy products is optimised for each components first and then for the whole system. The objectives were first to evaluate, from the exergy view point and for simple cycles, the efficiency of various refrigerants. Second, a complete modelisation of a refrigeration compression machine was to be developed so as to propose a thermo economic model. This model is able to give the resources, the essergy products of each components of the machine, the investment and exploitation costs. Finally the thermo economic analysis is demonstrated by its application to a particular refrigeration machine
Chikhi, Sanaa. "Modélisation d'une installation de concentration par évaporation avec compression mécanique de vapeur en présence de gaz incondensable." Nancy 1, 2002. http://www.theses.fr/2002NAN10276.
Full textThe concentration by evaporation is a process able to treat many liquids until strong concentrations. Evaporation with mechanical vapor MVC compression is used for its energy flexibility and its profits. It makes it possible on the one hand to reduce the volume of the effluent in order to facilitate its transport or its final treatment, and on the other hand, the recovery of water contained in the effluent and its recycling. A major problem of the installations of MVC is the presence of incondensable gases in the evaporator. These gases are involved with the vapor in the compressor, and accumulate then on the walls of condensation, thus preventing a better heat exchange between the vapor and the product to be concentrated. The incondensable gas extraction is generally carried out at the end opposed to the vapor entry. Very often, The adjustment of the valve of purging of incondensable gases is manual. The best result is obtained by carrying out an optimal extraction further possible from the point of introduction from the vapor
Brunin, Olivier. "Pompe à chaleur a compression-absorption : étude et réalisation expérimentale." Nancy 1, 1995. http://www.theses.fr/1995NAN10426.
Full textHallot, Jacques. "Distillation par transfert de vapeur entre les deux échangeurs couplés d'une pompe à chaleur à compression : application à la régénération de solutions aqueuses fortement hygroscopiques." Nice, 1989. http://www.theses.fr/1989NICE4332.
Full textKhatib, Rami. "Bétons autoplaçants à haute résistance, mûris à la vapeur, utilisés pour les éléments préfabriqués et précontraints." Mémoire, Université de Sherbrooke, 2009. http://savoirs.usherbrooke.ca/handle/11143/1517.
Full textSCHOTT, SEVERINE. "Valorisation de la pate de paille de ble, obtenue par le procede d'explosion en phase vapeur, pour une application papetiere - modelisation de la resistance a la compression du papier." Grenoble INPG, 2000. http://www.theses.fr/2000INPG0030.
Full textAzzouz, Kamel. "Etude d'un système frigorifique domestique à haute inertie thermique avec matériau à changement de phase." Paris 6, 2008. http://www.theses.fr/2008PA066007.
Full textRougelot, Thomas. "Étude expérimentale multi-échelles des couplages hydriques, mécaniques et chimiques dans les matériaux cimentaires." Thesis, Lille 1, 2008. http://www.theses.fr/2008LIL10115/document.
Full textTo determine the hydro-mechanical and chemical behaviour in cementitious materials is a key point to predict the durability of a structure submitted to complex stresses, such as the radioactive waste underground disposaI. This work is performed on mortars and cement pastes, with two distinct water-to-cement ratios. Coupling between hydric stresses by drying, hydro-chemical effect of calcium leaching, and the mechanical behaviour of the material, with a focus put on damage and strains evolution, are studied. Moreover, the experimental approach tries to characterize the physical phenomenons with a multi-scale view. From microscopic aspects, the characterization of the porous network is obtained by means of desorption isotherms and mercury intrusion. The influence of the W/C ratio is highlighted. Then, in a 4D approach of coupling effects between calcium leaching and cracking is conducted with X-ray microtomography (resolution: 5 µm). The restrained shrinkage due to differential strains in aggregates and cementitious matrix is shown as the cause of microcracking. ln addition, a pre-cracking increases the chemical degradation of the material. From macroscopic aspects, the shrinkage due to a smooth drying is experimentally determined, and a poromechanical model is then proposed. The diffuse microcracking effects appear to have more importance on the desorption than several localized macrocracks. Finally, the decrease in the saturation of the material modifies the splitting tensile strength. This could be due to a competitive effect between shrinkage, stresses and the influence of the aggregates in the cracking energy. Some preliminary tests are also conducted in direct tension
Books on the topic "Compression mécauique de vapeur"
Results of experiments with a fifty horse-power single non-condensing ball and wood engine to determine the influence of compression on the water consumption. [S.l: s.n., 1986.
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