Academic literature on the topic 'Échangeurs de chaleur – Matériaux'
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Journal articles on the topic "Échangeurs de chaleur – Matériaux"
Rosin-Paumier, Sandrine, Hossein Eslami, Adel Abdallah, and Farimah Masrouri. "Évolution des paramètres pressiométriques d’un massif argileux non saturé soumis à des variations monotones et cycliques de la température." Revue Française de Géotechnique, no. 167 (2021): 4. http://dx.doi.org/10.1051/geotech/2021016.
Full textThomachot, Laurent, and Claude Martin. "Utilisation des échangeurs de chaleur et d'humidité pour la ventilation artificielle." EMC - Anesthésie-Réanimation 1, no. 1 (January 2004): 1–8. http://dx.doi.org/10.1016/s0246-0289(02)00087-7.
Full textDellamonica, J., N. Boisseau, B. Goubaux, and M. Raucoules-Aimé. "Évaluation de 44 filtres échangeurs de chaleur et d’humidité. Que choisir ?" Annales Françaises d'Anesthésie et de Réanimation 22, no. 5 (May 2003): 402–7. http://dx.doi.org/10.1016/s0750-7658(03)00092-3.
Full textChaumat, G., F. Moret, and N. Eustathopoulos. "Brasage du carbure de silicium pour réaliser des échangeurs de chaleur." Revue de Métallurgie 91, no. 9 (September 1994): 1359. http://dx.doi.org/10.1051/metal/199491091359.
Full textGirard, F. "Évaluation de 44 filtres échangeurs de chaleur et d'humidité. Que choisir ?" Annales Françaises d'Anesthésie et de Réanimation 23, no. 8 (August 2004): 840. http://dx.doi.org/10.1016/j.annfar.2004.06.001.
Full textGuidez, Joël, and Guillaume Campioni. "Molten Salt Reactor, un RNR à combustible liquide." Revue Générale Nucléaire, no. 5 (September 2019): 20–23. http://dx.doi.org/10.1051/rgn/20195020.
Full textQarnia, Hamid El, and Marcel Lacroix. "Modélisation d'un échangeur de chaleur compact à courants croisés séparés par des couches de matériau à changement de phase." Revue Générale de Thermique 37, no. 6 (June 1998): 514–24. http://dx.doi.org/10.1016/s0035-3159(98)80067-6.
Full textSubayi, L., K. Chergui, and L. Beydon. "Filtres échangeurs de chaleur et d'humidité pour le conditionnement des gaz inspirés en anesthésie-réanimation de l'adulte." Annales Françaises d'Anesthésie et de Réanimation 17, no. 7 (July 1998): 699–708. http://dx.doi.org/10.1016/s0750-7658(98)80107-x.
Full textLannoy, D., B. Décaudin, J. P. Resibois, F. Barrier, L. Wierre, S. Horrent, C. Batt, S. Moulront, and P. Odou. "Évaluation de l’humidification de quatre filtres échangeurs de chaleur et d’humidité selon la norme ISO 9360 : 2000." Annales Françaises d'Anesthésie et de Réanimation 27, no. 2 (February 2008): 148–53. http://dx.doi.org/10.1016/j.annfar.2007.11.012.
Full textDi Donna, Alice, Fabrice Emeriault, Lionel Demongodin, and Jean-François Gobichon. "Aspects géotechniques et énergétiques des géostructures thermoactives : application à un cas d’étude réel." Revue Française de Géotechnique, no. 164 (2020): 4. http://dx.doi.org/10.1051/geotech/2021001.
Full textDissertations / Theses on the topic "Échangeurs de chaleur – Matériaux"
Almeida, Caroline Françolle de. "Nouveaux matériaux d’échangeurs de chaleur pour l’agroalimentaire." Electronic Thesis or Diss., Université de Lorraine, 2021. https://docnum.univ-lorraine.fr/ulprive/DDOC_T_2021_0205_FRANCOLLE_DE_ALMEIDA.pdf.
Full textIn this thesis, carbonaceous materials were studied in their raw, impregnated, chemically grafted or coated state to replace stainless steel in heat exchangers and reduce fouling while improving energy efficiency. Different materials have been used: (i) graphite and graphite-based composites; (ii) glassy carbon with controlled surface energy and roughness to become bases of Slippery Liquid-Infused Porous Surface (SLIPS), and treated to become superhydrophobic. In addition, polymer-based coatings and surfaces with a 3D-printed texture were also prepared. Once these surfaces were characterized (composition, structure, surface properties, thermal conductivity), they were tested in terms of anti-fouling and fouling-release properties in a pasteurization pilot at l’institut National de Recherche pour l’Agriculture, l’Alimentation et l’Environnement in Villeneuve d'Ascq, France. Among all these materials, graphite and graphite- polytetrafluoroethylene composite as well as Polyvinylidene fluoride and PTFE-based coatings showed good fouling-release properties. Glassy carbon became superhydrophilic after reactive ion etching, could be converted into SLIPS by introducing canola oil, and became superhydrophobic by grafting perfluorosilane chains onto it. The results of fouling tests showed that the more hydrophobic the surface, the greater the fouling mass, but that good fouling-release properties can be expected if their superhydrophobic character, or oil trapping for SLIPS, can be maintained over time. On the other hand, the fouling-release properties depend strongly on the product used and the process conditions as well as on surface properties such as roughness and surface energy
Benlamlih, Rachid. "Caracterisation de milieu poreux en vue du stockage actif de la chaleur dans l'habitat : milieu granulaire utilisant un materiau a changement de phase ; milieu alveolaire hygroscopique sous forme d'un beton poreux : application a un mur composite." Perpignan, 1986. http://www.theses.fr/1986PERP0015.
Full textSoupart-Caron, Adèle. "Stockage de chaleur dans les matériaux à changement de phase." Thesis, Université Grenoble Alpes (ComUE), 2015. http://www.theses.fr/2015GREAI078/document.
Full textThis PhD thesis deals with the understanding of the heat transfer mechanisms and with the development of thermal energy storage system for the industrial waste heat recovery application. The use of Phase Change Materials (PCM) is attractive for its high storage density and its possibility to deliver heat at constant temperature. However, the PCM low thermal conductivity leads to develop heat transfer improvement methods, such as heat exchangers with increased heat transfer surface. The goal is to characterize the behavior of such heat exchangers An experimental study, where four several heat exchangers have been tested with different orientations (horizontal/vertical) and injection types (upward/downward), highlighted the impact of natural convection during the melting process and the volume contraction one during the solidification. These results have been validated through a 3D numerical model. A performance comparison method based on an energy calculation through an experimental mesh is proposed and enables to select a heat exchanger on criteria such as the storage density, the characteristic time and the cost. Three PCM, adapted to our application, have been tested at the intended temperature (100-200 °C) by integrating them into a storage system made of a stainless steel tube with aluminum circular fins. Their ability to resist to repeated cycles has been assessed and their behavior has been compared. The salts mixture, H105 (Tmelting = 122 °C), is not selected for the application because of it low storage density (≈ 56 kWh/m3) and its large melting area. The sebacic acid (Tmelting = 132 °C) has a repeatable behavior with cycles and a higher storage density (≈ 66 kWh/m3) and is appropriate as storage material. The sugar alcohol, erythritol (Tmelting = 118 °C), has good thermo-physical properties (128 kWh/m3) but the crystallization control is a key point to use it as a PCM
Bolmont, Mickaël. "Comportement en milieu salin de nouveaux échangeurs de chaleur en aciers inoxydables." Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0261.
Full textHeat exchangers are used in many sectors because they represent essential components for the development of industrial processes. Researches focusing on the development of innovative exchangers necessarily require a metallurgical study to determine the optimal alloy composition and design process. It is within this framework that the present study took place through an institutional project financially supported by Five's Cryogénics and the "Grand Est" region. The physicochemical study was undertaken to evaluate the resistance to aqueous corrosion in chloride media of new exchangers made of stainless steel of high purity and assembled by a brazing process performed at 1200°C. The objective was to acquire the best knowledge as possible of the fundamental corrosion processes that could affect the devices envisaged for specific service conditions. The objective of the first step was to characterize the microstructure of steels and brazing alloy before and after heat treatment (TH). The obtained results led to the determination of the microstructural transformation during heat treatment (HT). In particular, they showed that 316LTi steel is less subject to granular coarsening than 316L stainless steel. In addition, they evidenced the existence of Cr6Ni16Si7 remains controversial and that hinder the establishment of reliable thermodynamic models. The objective of the second step was to concentrate the investigations on the chemical reactivity in chlorinated aqueous media of the different intermetallic phases identified during the microstructural study. The electrochemical measurements have made it possible to characterize their resistance to corrosion and led to the following major results: i) the two stainless steels are susceptible to pitting corrosion and 316LTi substrate show higher performance that 316L alloy at 25 ° C but both exhibit identical performance at 60 ° C, ii) they are passivable and the passive layer produced at high temperature is particularly protective, iii ) the constitutive phases of the brazing alloy (before TH) and those appearing after heat treatment (post TH) are cathodic compared to both stainless steels and iv) they can protect them by playing the role of soluble anodes. The objective of the last step was to evaluate the behavior of different assemblies through immersion tests of several thousand hours. The obtained re.sults clearly show that after 2000 hours the tested devices are resistant to corrosion provided
Seghrouchni, Mohammed. "Contribution à l'étude d'un échangeur granulaire à termes sources inductifs distribués : application au chauffage d'un fluide." Toulouse, INPT, 1989. http://www.theses.fr/1989INPT084H.
Full textMai, Ton Hoang. "Etudes dynamique et thermique d’écoulements d'air dans une cavité de grand rapport d'allongement en régime in-stationnaire." Lyon, INSA, 1990. http://www.theses.fr/1990ISAL0062.
Full text[In our present work we develop detailed numerical soltwares of the thermal and dynamic behaviour of an thermal instillation wall used to recover power with a counter flow heat exchanger integrated between the extracted and renewed air flow of one building. The first part consists of a theoretical study in in-stationary regime when the system is submitted to a sudden step air flow variation and the energetic gain brought by the exchanger presence. Aeraulics and thermal effects are taken into account in the wall model. Real scale apparatus is modified to obtain a rigours control of the aeraulics and thermal parameters permitting experimentations for the validation of theoretical results. This study leads to air flows modelling of an open vertical cavity weak ventilated with a large aspect ratio. All of these results permit at first to envisage the running mode of the system and secondly to better encircle convection heat transfer phenomenon at fluid-wall interface. In the second part, we study the thermal and energetic performances of this exchange wall integrated in a single zone building. Then we compute of the energy savings brought up by the wall and we compare its energetic gain in relation to other "dynamic" insulation systems (parieto-dynamic, parieto + Heat pump. . . )]
Costea, Monica. "Augmentation des performances des échangeurs de chaleur en vue de l'optimisation thermodynamique de la machine de Stirling ; transfert de chaleur en régime instationnaire en milieu poreux." Nancy 1, 1997. http://www.theses.fr/1997NAN10184.
Full textDamotte, Hervé. "Intensification des transferts de chaleur dans un échangeur en matériau polymérique. : Etude de l’écoulement gazeux et des performances thermiques." Lyon, INSA, 1993. http://www.theses.fr/1993ISAL0098.
Full textPolymers have gradually replaced materials traditionally used in many industrially manufactured equipment. The utilization of such materials in compact heat exchangers requires the pressure drop and thermal characterization of the new surfaces. In the present research project, two geometries of heat exchangers made of polymeric materials has been studied: a tube bundle and a plates equipped with internal channels for the liquid flow. The experimental results for the tube bundle are compared with data available in the literature. A survey of the enhanced heat transfer literature provided guidelines for the selection of the surfaces to be used in the preliminary flow visualization investigation. These data, in turn, allowed for the final decision concerning the design of the exchanger to be tested. These were wavy plate exchangers and plates equiped with two-dimensional protrusions. The thermal performances obtained equalled or surpassed those of the same volume metallic exchanger whereas the pressure drop over the surface was substantially higher. Laminar flow between the plates was observed. The experimental results were also compared with those of a smooth polymer surface. Local flow conditions between two adjacent smooth or enhanced plates were also investigated
Villemure, Charles. "Optimisation à l'aide d'algorithmes génétiques d'un stratifié poreux soumis à un flux thermique en convection naturelle." Thesis, Université Laval, 2007. http://www.theses.ulaval.ca/2007/24394/24394.pdf.
Full textBouquet, Nicolas. "Etude de la formation des joints soudés par diffusion : application aux échangeurs de chaleur compacts." Thesis, Dijon, 2014. http://www.theses.fr/2014DIJOS050/document.
Full textCompact diffusion bonded heat exchangers are an attractive option in many fields (nuclear, (petro-)chemistry, solar…) due to their performance. This type of concept is especially intended for manufacturing the energy conversion system of the ASTRID reactor. During diffusion bonding by HIP, the problem is twofold: the channel deformation and microstructure evolution must be controlled, while at the same time, highly resistant interfaces are desired. This thesis is focused on the understanding and the control of the bonded components microstructure prepared by HIP in order to define « process » criteria to achieve welds in agreement with specifications of components containing fluidic channels: interfaces unaffected by the process and small grain size. After a detailed characterization of their surface and microstructural evolution during heating, the behavior of AISI 316L austenitic steel sheets has been examined in a parametric study by varying the parameters related to process (diffusion bonding temperature and pressure) and welding material (thickness, surface finish…). The results show that the interface formation is driven by conventional grain growth mechanisms with an interfacial pining more or less marked depending on surface characteristics. The mechanical properties of assemblies have been tested to determine the influence of defects. Though pores are the most critical default, the influence of other heterogeneities has also been highlighted. The different steps of bond formation have been identified by performing interrupted diffusion bonding test. The interest of modeling approach by Level-Set method to simulate microstructure evolution has been finally discussed
Books on the topic "Échangeurs de chaleur – Matériaux"
Canada. Office de l'efficacité énergétique. and Canada Ressources naturelles Canada, eds. Ventilateurs-récupérateurs de chaleur. 2nd ed. Ottawa, Ont: Ressources naturelles Canada, 2004.
Find full textCanada, Canada Ressources naturelles, and Canada. Office de l'efficacité énergétique., eds. Guide d'utilisation et d'entretien des ventilateurs-récupérateurs de chaleur (VRC). Ottawa, Ont: Ressources naturelles Canada, 2000.
Find full textBook chapters on the topic "Échangeurs de chaleur – Matériaux"
Feidt, Michel. "Chapitre 13. Transferts convectifs – Échangeurs de chaleur." In Génie énergétique, 381–471. Dunod, 2014. http://dx.doi.org/10.3917/dunod.feidt.2014.01.0381.
Full textReports on the topic "Échangeurs de chaleur – Matériaux"
Melanie, Haupt, and Hellweg Stefanie. Synthèse du projet conjoint du PNR 70 «Gestion des déchets pour soutenir la transition énergétique (wastEturn)». Swiss National Science Foundation (SNSF), January 2020. http://dx.doi.org/10.46446/publication_pnr70_pnr71.2020.2.fr.
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