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Artykuły w czasopismach na temat "Matériaux énergétiques – Propriétés thermiques"
Adama, Gassama, Diouf Babacar, Ly Elhadji Babacar, Manga Moise i Ndiaye Diène. "Caractérisation des Propriétés Mécaniques et Thermiques de matériaux à base de Ciment, de Typha Domingénis et d’Argile". Journal de Physique de la SOAPHYS 3, nr 2 (1.11.2023): 1–6. http://dx.doi.org/10.46411/jpsoaphys.2023.015.
Pełny tekst źródłaBen Salk, S., E. Pallecchi, V. Hoel i H. Happy. "Croissance et caractérisation de graphène au Pôle CNFM de Lille". J3eA 18 (2019): 1003. http://dx.doi.org/10.1051/j3ea/20191003.
Pełny tekst źródłaAttaf, Mohammed Tahar. "Propriétés énergétiques et corrélations entre grandeurs d'indentation des matériaux élasto-plastiques". Revue des composites et des matériaux avancés 13, nr 2 (23.08.2003): 135–69. http://dx.doi.org/10.3166/rcma.13.135-169.
Pełny tekst źródłaPerez, Laetitia, i Laurent Autrique. "Un dispositif expérimental pour l’identification dans l’espace des fréquences". J3eA 21 (2022): 2040. http://dx.doi.org/10.1051/j3ea/20222040.
Pełny tekst źródłaBelaribi, Omar, Omar Safer, Nadia Belas, Khalil Belguesmia i Rachid Hadj Sadok. "Influence de la perlite sur le comportement mécanique, l’absorption capillaire et la conductivité thermique des mortiers". Journal of Engineering and Exact Sciences 10, nr 3 (13.05.2024): 18800. http://dx.doi.org/10.18540/jcecvl10iss3pp18800.
Pełny tekst źródłaLouam, Nadjib. "Les fluides rhéologiques intelligents et leurs applications énergétiques et technico-industrielles". Journal of Renewable Energies 16, nr 4 (22.10.2023). http://dx.doi.org/10.54966/jreen.v16i4.407.
Pełny tekst źródłaSamet, Naïm, Antoine Valentin, Quentin Julien, Fan Zhang i Hélène Petitpré. "L’intelligence artificielle au service de la caractérisation des matériaux (traitements thermiques et contraintes résiduelles)". e-journal of nondestructive testing 28, nr 9 (wrzesień 2023). http://dx.doi.org/10.58286/28462.
Pełny tekst źródłaKerboua, B., EAA Bedia i M. Kotbi. "Impact des Propriétés Mécaniques, Géométriques et thermiques des matériaux sur les Contraintes d'Interface, des structures renforcées par composites." Afrique Science: Revue Internationale des Sciences et Technologie 4, nr 2 (8.11.2010). http://dx.doi.org/10.4314/afsci.v4i2.61683.
Pełny tekst źródłaHidalgo, Emmanuel. "CONTRÔLES NON DESTRUCTIFS PAR TERAHERTZ DE REVETEMENTS DE FORTE EPAISSEUR ET DETECTION DE DEFAUTS AUX INTERFACES (CORROSION, DECOLLEMENTS, …)". e-journal of nondestructive testing 28, nr 9 (wrzesień 2023). http://dx.doi.org/10.58286/28461.
Pełny tekst źródłaRozprawy doktorskie na temat "Matériaux énergétiques – Propriétés thermiques"
Gomart, Hector. "Modélisation des propriétés thermo-radiatives de revêtements à haute efficacité énergétique". Orléans, 2008. http://www.theses.fr/2008ORLE2050.
Pełny tekst źródłaHaillot, Didier. "Matériaux composites à hautes performances énergétiques pour l’optimisation des chauffe-eau solaires individuels : du matériau au procédé". Perpignan, 2009. http://www.theses.fr/2009PERP0999.
Pełny tekst źródłaThis thesis takes place in a partnership between the PROMES laboratory and the Saunier Duval industry, part of the Vaillant Group, with the aim of improving the performance of solar domestic hot water (SDHW) system. Potential of phase change materials (PCM) for this particular application is investigated in this study. Our approach has been to associate the study of composites (preparation and characterization) and also the analysis of the process to achieve optimal integration of the material in the system. In the first part we have elaborated and characterized composite based on compressed expanded natural graphite (CENG) and PCM in order to validate the existence of materials having the characteristics necessary for the planned feature. The second part of this work aims to quantify the performance of a SDHW which includes the composite material previously developed. A numerical approach allows us to simulate the thermal behaviour and the efficiency of such a system. Analysis of these numerical results will give rise to several conclusion and prospects
Sansen, Pascal. "Formulation énergétique d'un critère de rupture locale d'un solide en thermoplasticité". Lille 1, 1999. https://pepite-depot.univ-lille.fr/LIBRE/Th_Num/1999/50376-1999-81.pdf.
Pełny tekst źródłaPetrantoni, Marine. "Nanomatériaux énergétiques sur puce : élaboration, modélisation et caractérisation". Phd thesis, Université Paul Sabatier - Toulouse III, 2010. http://tel.archives-ouvertes.fr/tel-00559629.
Pełny tekst źródłaSari-Bey, Sana. "Mise au point de nouveaux matériaux à changement de phase pour optimiser les transferts énergétiques". Thesis, Paris Est, 2014. http://www.theses.fr/2014PEST1158.
Pełny tekst źródłaResearch in the field of innovative materials with improved energy efficiency have a major environmental issue. One way to save energy is storage. The use of phase change materials (PCM) is a solution for absorbing, storing and releasing large amounts of energy. This study focuses on the experimental study of the thermophysical properties and phase changes of polymer matrix composite materials containing microencapsulated PCM and the optimization of their thermophysical properties. Composite containing different mass fractions of paraffin microcapsules were first characterized. To improve heat transfer, paraffin microcapsules metallized with silver were then used. A new set of samples was elaborated. In the composite the selected polymer matrix is polycaprolactone (PCL), this polymer has a particularly low melting point (53°C), which allows to mix the microcapsules without damaging them. The polymer/microcapsules mixtures were prepared using a blender, they were then pressed to obtain plates of composites. The homogeneity of the samples was verified by scanning electron microscopy observations and density measurements. The phase change material used is a mixture of paraffins having a phase change temperature of 26°C, in microencapsulated highly crosslinked PMMA, and marketed by BASF under the trade name of Micronal®DS 5001 X. PCL has a melting temperature lower than the softening temperature of PMMA. One objective of this study was to obtain a material that remains solid even when the paraffin melts. Microencapsulation has avoided that the paraffin in the sample diffuses out during successive cycles, it also avoids convection when paraffin is liquid. On the other hand, another goal was to see if metallization of the particles allowed to improve the thermal properties by significantly increasing the thermal conductivity and diffusivity. DSC was used to determine the temperatures and enthalpies of the phase changes and the materials Cp between -20 and 40 ° C. An experimental technique, developed in the laboratory (DICO), can simultaneously measure the thermal conductivity (λ) and thermal diffusivity (a) at room temperature. A recent development of this system now allows to make measurements in ramp between -15°C and 180°C. The measures of the change in thermal conductivity and diffusivity as a function of temperature have been carried out by heating and cooling. Phase changes observed in DSC are found on the evolution of thermal conductivity and thermal diffusivity plotted as a function temperature. It also shows the impact on these properties of solid or liquid state of the paraffin contained in the microcapsules. Finally the evolution of the volumetric heat capacity was calculated from the results obtained with DICO (Cp=λ/a) and compared with the evolution of the specific heat capacity measured by DSC. Globally, heat transfer was improved for composites containing silver but their storage capacity is lower than for the composites containing only Micronal®
Deddy, Bezeid. "Conception thermique d’une paroi complexe de datacentre pour une optimisation énergétique". Lorient, 2012. http://www.theses.fr/2012LORIS274.
Pełny tekst źródłaThe reduction of energy consumption for telecommunication buildings is an international challenge for main telecommunication operators and principal actors of internet. Indeed, in these buildings there are electronics equipment with a strong power density and thus a very important thermal contribution. Therefore it is necessary to use large air-conditioning systems in order to maintain ambient conditions (temperature and relative humidity of the air) in fixed ranges. One possible approach for limit installed air conditioning systems is to clip the peaks of internal temperature by using a heat storage in the wall and by adopting a night cool storage directly in the masonry. In this thesis, the study describes a numerical and experimental study in order to define new conceptions of optimized telecommunication buildings. Walls are used in order to increased heat transfer and reduced cooling energy consumption. In the first step, the temperature response of the internal volume 1 m3 were followed and simulated under different test conditions. The thermal inertia is increased by incorporating phase change materials (PCM microencapsulated paraffin) in concrete. From experience and measurements of thermophysical properties, a one dimensional thermal model conduction that represents heat transfer in the walls were developed and validated. From these studies, a specific component, representative of a multilayer wall with PCM, is developed and coupled to TRNSYS Type 56. These TRNSYS developments are then applied to the study of a real "data center" site. After confrontation with experimental data, different configurations of walls have been studied in order to improve thermal inertia. New building architectures are proposed in order to reduce cooling energy consumption
Violet, Alix. "Modélisation de la combustion de compositions pyrotechniques : approche par traitement d'images et simulation numérique". Electronic Thesis or Diss., Orléans, 2024. http://www.theses.fr/2024ORLE1078.
Pełny tekst źródłaPyrotechnic compositions are composite energetic materials whose combustion produces various effects such as light, smoke, sound, or heat. This diversity makes them highly versatile, allowing for multiple applications in both civilian and military contexts. Composed of a granular mixture of at least one oxidizer and one reducer, their combustion characteristics can be modified by numerous factors: the nature and composition of the mixture, particle size, compaction rate, and manufacturing method. Each of these parameters influences the structuring of the composition by generating local variations in reactant concentration, which can be more or less favorable to the propagation of combustion. This thesis aims to develop a numerical model that incorporates the effect of anisotropy using image processing techniques.Following a brief review of the state of the art on pyrotechnic compositions, the development of a model differentiating between oxidizer and reducer grains is presented. This model incorporates two reactions coupled with mass transport phenomena: the oxidizer decomposes, releasing oxygen that diffuses within the material before reacting with the reducer. A parametric study helped identify two distinct regimes, characterized by the Damköhler number. Finally, compositions in the form of pellets were manufactured and characterized. Scanning electron microscopy (SEM) images of their surfaces were used to develop 2D maps of the distribution of the constituents using image processing techniques. These maps were then used to initialize the concentrations in the model's computational domains. Their thermal diffusivity was calculated numerically and compared to experimental measurements. Combustion simulations highlighted the impact of the local grain distribution on the propagation of the combustion front
Ben, Abdallah Ronia. "Intégration des matériaux à changement de phase dans les meubles frigorifiques de vente pour améliorer leur effcicacité énergétique et leur flexiblité". Thesis, Sorbonne université, 2019. http://www.theses.fr/2019SORUS021.
Pełny tekst źródłaIt is admitted that the integration of phase change material (PCM) in refrigeration systems has the potential to increase their flexibility, to stabilize product temperatures and in some cases to reduce their energy consumption. This study is about the impact of PCM used in a display cabinet. Two experimental set-ups are presented: the first one is an open display cabinet and the second one a closed display cabinet. A numerical model has been also developed and used to check the feasibility of PCM integration and evaluate its impact on the display cabinet. In addition, a parametric study have been carried out to highlight the importance of a display cabinet optimization after the insertion of PCM. Besides, PCM application in supermarket scenarios are discussed. The main results show the feasibility of PCM insertion, a significant increase of its thermal inertia, and the possibility to keep the compressor off during a few hours without temperature abuse for the products
Kotelnikova-Weiler, Natalia. "Optimisation mécanique et énergétique d'enveloppes en matériaux composites pour les bâtiments". Phd thesis, Université Paris-Est, 2012. http://pastel.archives-ouvertes.fr/pastel-00807510.
Pełny tekst źródłaGuichard, Stéphane. "Contribution à l'étude des parois complexes intégrant des matériaux à changements de phase : modélisation, expérimentation, et évaluation de la performance énergétique globale". Thesis, La Réunion, 2013. http://www.theses.fr/2013LARE0008/document.
Pełny tekst źródłaThis Ph.D thesis focusses on energy control in buildings in order to reach high energetic performances by the use of passive means. One of the proposed solution is based on the use of Phase Change Materials (PCMs). Located into walls, PCMs allow to stock thermal energy into latent heat. The aim of the study is thus to put in evidence PCMs actual impacts on the thermal field of a building and its role as thermal insulation. For these considerations, a thermal model has been developed and validated. An experimental device has been set-up for the collection of data in field environment and for a human scale. The measurement sequence has been conducted at Reunion Island, for a hot and humid tropical climate. For the determination of the thermal behaviour of a commplex wall included PCMs, we proposed a generic model, able to predict many configurations. The model has been implemented in a multizone building simulation code (ISOLAB), for the prediction of wall temperature profiles and PCMs impact on the thermal comfort. Following a combined metholodogy, including modelling and experimentation for validation, we were able to validate the model for actual conditions and to evaluate the model's prediction accuracy
Książki na temat "Matériaux énergétiques – Propriétés thermiques"
Nacke, Bernard, Franz Beneke i Herbert Pfeife. Handbook of thermoprocessing technologies. Essen, Germany: Vulkan-Verlag, 2012.
Znajdź pełny tekst źródłaGibson, Lawrence. Rapport de recherche de la Société canadienne d'hypothèques et de logement (SCHL): Systèmes de finition et d'isolation extérieurs : évaluation en laboratoire de matériaux et de joints exposés à des conditions contrôlées, le 26 janvier 1995. Ottawa, Ont: Société canadienne d'hypothèques et de logement, 1995.
Znajdź pełny tekst źródłaAndreas, Öchsner, Murch G. E i Lemos, Marcelo J. S. de., red. Cellular and porous materials: Thermal properties simulation and prediction. Weinheim: Wiley-VCH, 2008.
Znajdź pełny tekst źródłaNishizawa, Taiji. Thermodynamics of microstructures. Materials Park, Ohio: ASM International, 2008.
Znajdź pełny tekst źródłaeditor, Shingledecker J., Gandy D. (David) editor i Electric Power Research Institute, red. Advances in materials technology for fossil power plants: Proceedings from the seventh International Conference, October 22-25, 2013 Waikoloa, Hawaii, USA. Materials Park, Ohio: ASM International, 2013.
Znajdź pełny tekst źródłaLall, Pradeep. Influence of temperature on microelectronics and system reliability. Boca Raton: CRC Press, 1997.
Znajdź pełny tekst źródłaMenard, Kevin P. Dynamic Mechanical Analysis. London: Taylor and Francis, 2008.
Znajdź pełny tekst źródłaLes matériaux métastables: Rapport de synthèse du Groupe Matériaux Métastables, observatoire français des techniques avancées. Paris: Masson, 1988.
Znajdź pełny tekst źródładrjad. Physique des Matériaux: PROPRIÉTÉS ELECTRIQUES le Modèle de l'électron Libre , THERMIQUES , MAGNETIQUES , des Matériaux. Independently Published, 2021.
Znajdź pełny tekst źródłaThermophysical Properties of Materials for Nuclear Engineering: A Tutorial and Collection of Data. International Atomic Energy Agency, 2008.
Znajdź pełny tekst źródłaCzęści książek na temat "Matériaux énergétiques – Propriétés thermiques"
DELAHAYE, Anthony, i Laurence FOURNAISON. "Utilisation des hydrates pour le stockage et la distribution du froid". W Stockage de la chaleur et du froid 1, 161–216. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9133.ch7.
Pełny tekst źródłaALLION-MAURER, Audrey. "Métaux et alliages dans les environnements alimentaires". W Contrôle et prévention des risques biologiques associés à la contamination des aliments, 71–86. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9125.ch4.
Pełny tekst źródłaOLIVÈS, Régis. "Centrales solaires thermodynamiques et stockage". W Stockage de la chaleur et du froid 1, 217–87. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9133.ch8.
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