Literatura científica selecionada sobre o tema "Réservoir de stockage d'hydrogène"
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Artigos de revistas sobre o assunto "Réservoir de stockage d'hydrogène"
Bouzidi, Belkacem, e Said Diaf. "Optimisation du dimensionnement des systèmes de pompage". Journal of Renewable Energies 19, n.º 4 (17 de outubro de 2023): 681–95. http://dx.doi.org/10.54966/jreen.v19i4.603.
Texto completo da fonteKhlil, Naima, Fatiha Zidane, Abderrahim Naamane, Mohamed Loutfi e Mohamed Blaghen. "Contribution à l’évaluation des traces de microcystine dissoute et intracellulaire dans les eaux marocaines brutes et traitées". Revue des sciences de l’eau 24, n.º 4 (24 de janeiro de 2012): 355–68. http://dx.doi.org/10.7202/1007625ar.
Texto completo da fonteKOUTOUS, Ahmed, Guillaume LACOMBE e Ali HAMMANI. "Les « notfias » du Maroc : une technique ancestrale de collecte et stockage des eaux pluviales". Techniques Sciences Méthodes 7-8 (21 de agosto de 2023): 87–95. http://dx.doi.org/10.36904/tsm/202307087.
Texto completo da fonteDelobelle, P., D. Perreux, C. Russo, E. Meunier e B. Decamps. "Apport de la nanoindentation pour la caractérisation d'un cordon de soudure par faisceau d'électrons d'un réservoir d'hydrogène sous pression en alliage d'aluminium". Matériaux & Techniques 96, n.º 3 (2008): 135–50. http://dx.doi.org/10.1051/mattech:2008032.
Texto completo da fonteGueye, Mouhamadou Thierno, Dame Bop, Aissatou Ndoye e Sabrina Sorlini. "Amélioration De La Qualité Des Eaux (Eaux Usées, Nappe Phréatique Et Lac) Par Phytoépuration Dans La Zone Du Technopole De Dakar (Sénégal)". International Journal of Progressive Sciences and Technologies 34, n.º 1 (29 de setembro de 2022): 416. http://dx.doi.org/10.52155/ijpsat.v34.1.4522.
Texto completo da fonteSiegelman, Lia. "Le rôle climatique des fronts océaniques de fine échelle en profondeur (prix Prud'homme 2020)". La Météorologie, n.º 114 (2021): 038. http://dx.doi.org/10.37053/lameteorologie-2021-0069.
Texto completo da fonteChebbah, Lynda, Lakhdar Djemili, Mohammed Tawfik Bouziane e Mohamed Chiblak. "Modélisation d'un masque en béton bitumineux (brut et protégé) sous sollicitations thermiques en régime transitoire. cas du masque de barrage Ghrib (Ain Defla, Algérie)". La Houille Blanche, n.º 1 (fevereiro de 2020): 42–49. http://dx.doi.org/10.1051/lhb/2019064.
Texto completo da fonteRazakamanarivo, Ramarson Herintsitohaina, Marie-Antoinette Razafindrakoto e Alain Albrecht. "Fonction puits de carbone des taillis d'eucalyptus à Madagascar". BOIS & FORETS DES TROPIQUES 305, n.º 305 (1 de setembro de 2010): 5. http://dx.doi.org/10.19182/bft2010.305.a20438.
Texto completo da fonteOna, I. E. Mbagou Mwe-Zue, Ndzengboro Endamane, R. Walla Obiang e F. Eba. "Evaluation du carbone organique des sols de la province de l’Estuaire (NW, Gabon) selon le type d’occupation". International Journal of Biological and Chemical Sciences 17, n.º 4 (19 de setembro de 2023): 1750–64. http://dx.doi.org/10.4314/ijbcs.v17i4.36.
Texto completo da fonteVillena, Isabelle. "Rôle de l’environnement comme réservoir de toxoplasme". Bulletin de l'Académie vétérinaire de France 175 (2022). http://dx.doi.org/10.3406/bavf.2022.70981.
Texto completo da fonteTeses / dissertações sobre o assunto "Réservoir de stockage d'hydrogène"
Leh, David. "Optimisation du dimensionnement d'un réservoir composite type IV pour stockage très haute pression d'hydrogène". Phd thesis, Université de Grenoble, 2013. http://tel.archives-ouvertes.fr/tel-00942731.
Texto completo da fonteAngers, Benjamin. "Simulations de fuites d'hydrogène en provenance d'un réservoir de stockage à haute pression : dispersion et conséquences de l'allumage". Thèse, Université du Québec à Trois-Rivières, 2006. http://depot-e.uqtr.ca/1944/1/000135772.pdf.
Texto completo da fonteZeaiter, Ali. "Caractérisation et modélisation du comportement des alliages TiFe dédiés au stockage solide d'hydrogène. : Application à l'amélioration des performances d'un réservoir à hydrures métalliques". Thesis, Bourgogne Franche-Comté, 2017. http://www.theses.fr/2017UBFCD007/document.
Texto completo da fonteHe environmental and economic problems caused by the use of petroleum products and the scarcity of these fossil fuels have led to the search for alternative sources of energy, which are renewable and respectful of the environment. Many of these sources are intermittent and require storage solutions. Hydrogen gas appears as a good candidate for this function. The hydrogen element, abundant in nature, has in its gaseous form a calorific value of 140 MJ / kg, i.e. 2.5 times that of gasoline. The 'hydrogen' sector is based on 3 pillars: production, storage, distribution and use. The storage of hydrogen is traditionally carried out by compression, under pressures ranging from a few bars to several hundreds, and by liquefaction at 20 K. The low density of these two types of storage (42 and 70 kgH2 / m3) associated with serious problems of safety and mechanical design, make solid storage in metal alloys particularly relevant for some applications. This solution favors the development of safe, compact design tanks with a high density of 120 kgH2/m3for TiFe alloys, for example. This type of hydride has been retained in this work because it has operating conditions of temperatures and pressures that are relatively close to ambient conditions, and also because it does not contain rare earth elements. The aim of this study is to characterize and model the hydriding/dehydriding behavior of the TiFe0.9Mn0.1 alloy, in order to improve its performance when it is integrated into a storage system. We first tried to characterize the alloy TiFe0.9Mn0.1 in powder form by describing it morphologically, chemically and thermodynamically. Then, two strategies of improvement were tested, the first one based on a mechanical treatment by planetary ball milling, the second considers a thermochemical treatment at given temperature and duration. Both strategies accelerated the process of powder activation, but the planetary ball milling significantly impaired the apparent desorption kinetics. The thermo-chemical treatment did not degrade the equilibrium domains and thus did not have an adverse effect on the reaction kinetics. The two most important parameters of this treatment, temperature and holding time, have been optimized. Other parameters remain to be refined.In addition to this experimental characterization, we have undertaken to describe the hydriding / dehydriding reaction macroscopically. The model allows to account for the thermodynamic response of the hydride within a reservoir. This work presents the results obtained on a tank containing 4 kg of TiFe0.9Mn0.1 powder when different hydrogen loading / unloading scenarios are considered: (i) loading / unloading under constant pressure, (ii) loading / unloading under an initial dose ( Method of Sievert), iii) loading / unloading under inlet or outlet flux of hydrogen. For each scenario, the effect of the coupling with a heat exchange system on the filling / emptying times is analyzed and optimal operating conditions are proposed. Finally, a sensitivity study using the Morris method is presented, and the most influential parameters of the model on the reaction rates are identified. The design of a solid hydrogen storage system requires a good understanding of the macroscopic as well as the microscopic aspects of the hydriding reaction and therefore requires further research to find new directions for improving its performance
Liu, Yuchen. "Synthesis, structural characterization and electrochemical hydrogen storage properties of LaNi5 and La4MgNi19 alloys prepared by mechanical alloying". Electronic Thesis or Diss., Bourgogne Franche-Comté, 2024. http://www.theses.fr/2024UBFCA004.
Texto completo da fonteToday's world is facing the imminent depletion of fossil fuels and serious environmental problems, and it is urgent to find clean and renewable energy sources. Hydrogen energy, as a clean energy source, is a potential candidate. In a hydrogen economy based on hydrogen energy, hydrogen storage is the biggest obstacle limiting its development. Metal hydrides have attracted attention due to their safety and high hydrogen storage properties. The first generation of commercial hydrogen storage alloy LaNi5-based alloy has excellent hydrogen storage performance and has been widely used in various fields. However, due to its low hydrogen storage capacity, it is difficult to meet the requires of the European Union for hydrogen storage materials. Scientists often use a single optimization method, such as element substitution, new synthetic routes, surface optimization, etc. However, few articles report optimization methods that combine the two methods.In this work, first principles were used to screen out the best element Cr to substitute Ni. Mechanical alloying was used to synthesize LaNi5 alloy and LaNi4Cr alloy. The micromorphology and phase composition of different samples produced with different ball milling parameters were characterized by SEM and XRD tests. The hydrogen storage performance of the sample was then tested, and the gaseous hydrogen storage performance and electrochemical performance of the sample were obtained. The hydrogen storage properties of all the above samples are compared with each other, and the results reflect the effectiveness of the combination of mechanical alloying and element substitution methods for the optimization of LaNi5.In addition, another optimization method of LaNi5 alloy was also carried out, that is, combining it with AB2 phase to form La4MgNi19 alloy. A total of 6 sets of parameters with different ball milling times and different precursors were used to synthesize La4MgNi19 alloy. The phase composition and hydrogen storage properties of all samples were obtained and compared with the hydrogen storage properties of LaNi4Cr. The results show that the hydrogen storage performance of La4MgNi19 alloy is better than that of LaNi5 alloy, but slightly worse than that of LaNi4Cr alloy.Finally, with the help of simulation software, the parameters of the LaNi4Cr alloy were introduced into the proven hydrogen storage tank model to explore the performance of this alloy in the hydrogen storage tank. After exploring the effects of different parameters on the hydrogen storage tank, water pipes were added to adjust the heat exchange. The results show that hydrogen storage tanks filled with LaNi4Cr have excellent performance
Roussel, Thomas Julien. "Simulation numérique de répliques de zéolithes en carbone : structures et propriétés d'adsorption en vue d'une application au stockage d'hydrogène". Aix-Marseille 2, 2007. http://theses.univ-amu.fr.lama.univ-amu.fr/2007AIX22029.pdf.
Texto completo da fonteHydrogen storage is the key issue to envisage this gas as an energy vector in the field of transportation. Porous carbons are materials that are considered as possible candidates. We have studied well-controlled microporous carbon nanostructures, carbonaceous replicas of mesoporous ordered silica materials and zeolites. We realized numerically the atomic nanostructures of the carbon replication of four zeolites : AlPO4-5, silicalite, and Faujasite (FAU and EMT). The faujasite replicas allow nanocasting a new form of carbon cristalline solid made of tetrahedrally or hexagonally interconnected nanotubes. The pore size networks are nanometric giving to these materials optimized hydrogen molecular storage capacities. However, we demonstrate that these new carbon forms are not interesting for a room temperature efficient storage compared to the void space of a classical tank. We showed that doping with alkaline element such as lithium one could store the same quantities at 300 bars than a classical tank at 700 bars. This result is a possible route to achieve interesting performances for on-board docking systems
Tantchou, Yakam Guy. "Modélisation en cyclage-fluage du comportement mécanique d'un liner thermoplastique collapsé utilisé dans les réservoirs de stockage d'hydrogène gazeux". Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2017. http://www.theses.fr/2017ESMA0018/document.
Texto completo da fonteHyperbaric hydrogen storage vessels of type IV are encountering success for portable applications of fuel cell. During their use, these cylindric containers undergo repeated fill in/fill out cycles of H2-gaz. Under specific fillout conditions, an emerging detachment between the sealing inner layer (liner) and the composite wall, can be observed. This layer debonding also called collapse may limit the pressure release rate of H2-vessels or increase the residual gas pressure prescribed to avoid collapse.Experimental studies have been conducted by Air Liquide at vessel scale to identify some parameters responsible for the collapse onset. But the high cost of these studies and the complexity of the operating conditions makes the use of numerical tools necessary. That led to a numerical modeling approach. The main goal in the numerical approach is to model the cyclic mechanical response of a collapsed liner under fatigue – creep loadings.In this thesis, the purpose was to develop a mechanical constitutive law able to predict the cyclic deformation of a collapsed liner subjected to hydrogen pressure cycles.The liner was subjected to several environment variations due to: (i) the presence of residual water into the liner after initial hydraulic vessel tests, (ii) the temperature changes caused by the hydrogen compression/expansion, and (iii) the hydrogen diffusion/saturation. So, a preliminary work consisted in investigating the influence of each environmental factor on the polyamide 6 mechanical response. This first step allowed to outline a loading frame at laboratory scale that preserved main characteristics of the collapse phenomenon. Characterization tests on tensile specimens revealed that the liner could be modelled by a non linear viscoelastic law written within the thermodynamic framework of the irreversible processes in small deformations, and coupled with the temperature. Minor changes were introduced to extend the model capacity to capture liner behavior effects during fatigue – creep. These changes had negative impact on the manual method of model calibration, and consequently required to develop a specific identification strategy. The identification performance was assessed in different isothermal frames through stress rate, stress level and temperature effects. Then, the calibrated model was validated by taking temperature gradients into account, firstly on a tensile specimen, secondly within a H2-vessel
Mercadé, Camille. "Modélisation de la dégradation d'un matériau composite carbone-époxy soumis à une sollicitation thermo-mécanique couplée. Application aux réservoirs d'hydrogène de type IV". Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2017. http://www.theses.fr/2017ESMA0027/document.
Texto completo da fonteComposite materials made of carbon fibres and epoxy resin have remarkable specific properties that make them suitable for large-scale use in many areas where mass savings are required, such as transport. An example is the type IV hydrogen tank in motor vehicles. In the context of the safety of persons, the fire risk must then be considered: when a hydrogen tank undergoes thermal aggression such as a fire, its composite shell is subject to thermal decomposition which, coupled with heat transfers and damage due to mechanical loading, can lead to burst of the structure. To numerically predict the behaviour of tanks subjected to coupled load (thermal and mechanical), a model based on the phenomena having a major impact on the behaviour of the material has been developed. It involves, in a thermodynamic framework, matrix microcracking, fibre failure and fibre/matrix interfaces decohesion as well as delamination and represents the effects of temperature on mechanical properties. To this mechanical damage is added the thermal decomposition due to high temperatures (>350°C). It induces structural changes in the material due to the gasification of the epoxy resin, a change in thermal parameters (which has an influence on heat transfers) and a loss of mechanical properties.At the specimen scale, calculations are carried out to determine the parameters of the different sub-models. This includes initiation criteria and damage evolution laws, reaction parameters for thermal decomposition and thermal parameters (density, thermal capacity and conductivity) for each decomposition state. A method is proposed to determine the key parameters of thermomechanical coupling, namely the influence of thermal decomposition on mechanical behaviour. Fully coupled calculations are also performed to determine the weight of each phenomenon (temperature, thermal decomposition and mechanical damage) on the final failure of the material under fire exposure conditions.At the hyperbaric tank scale, burst pressure predictions, in a fire situation and at room temperature, are carried out. At room temperature, the role of each damage process in the ultimate pressure is evaluated to determine their relative weight in the modelling. Under fire conditions, the time to burst is evaluated when the tank is subjected to different internal pressures. The model is able to correctly predict the transition from a burst mode at high pressure to leak mode at lower pressure due to melting of the liner before the stress level is critical in the composite shell and leads to burst. This approach, implemented at the scale of the tank, therefore makes it possible to establish the sequence of events leading to burst (plies in which damage occurs, temperature field in the composite wall, burst time)
Maiga, Omar. "Caractérisation géologique et géophysique 3D d’un système de réservoirs d’hydrogène naturel : exemple du champ de Bourakèbougou, Mali". Electronic Thesis or Diss., Sorbonne université, 2023. https://accesdistant.sorbonne-universite.fr/login?url=https://theses-intra.sorbonne-universite.fr/2023SORUS647.pdf.
Texto completo da fonteIn the race to find clean and inexpensive ways to produce hydrogen, the natural hydrogen wells of Bourakèbougou offer a promising solution. Not only has one of them been successfully exploited to generate electricity for the local village, but its current twenty-four wells also provide a unique opportunity for geoscientists to determine the key characteristics of natural hydrogen reservoirs, the nature of the cap rocks, and the various processes involved in its accumulation, migration, and trapping in the rocks. This scientific research presents core, logging, geophysical, and geochemical studies that have been conducted to better characterize the nature of Bourakèbougou's H2 reservoirs. The study of regional geology and the entire area based on drilling data interpretation and bibliographic information was initially carried out. This resulted in a new geological map of the area and a North-South cross-section of the entire basin. Facies analysis and drilling data showed a correlation between stratigraphic wells F1 and F2 drilled in 2011, 100 km north of Bourakèbougou, and the wells in the study area located further to the south. An antiform structure was also identified around Bourakèbougou. All of these data helped validate and provide a coherent sedimentary model for the entire area. To improve the geochronological framework between different events in the area and to characterize the chronological sequence between sediments and intrusions, U/Pb dating was performed on carbonates from Bougou-6, the deepest well, and well F2. The ages obtained for some carbonates were largely influenced by the intrusion of mega-sills of dolerites between 150 and 210 million years ago (Ma). This was confirmed through dating veins derived from the carbonates of the main Bougou-6 reservoir and well F2. The dated veins, especially the one in the main reservoir containing H2, provided an age of approximately 210 Ma, corresponding to the period of magmatism known as the Central Atlantic Magmatic Province (CAMP). Only the dating of a carbonate located at 890m yielded an age that was clearly synchronous with the deposition (620 ± 100 Ma). This age confirmed the Neoproterozoic age of the sediments and established a connection with the Neoproterozoic glaciation event that occurred between 635-710 Ma (Sturtian + Marinoan). Core analyses, well imaging, logging, Rock Eval, and calcimetry revealed that the upper carbonates in which the highest amount of H2 is accumulated mainly consist of dolomitic cap carbonates, and all H2 accumulations are found in karstic cavities (thermokarst). Different Neoproterozoic facies were identified along the sequence, including stromatolites, microbialites, sandstones, and diamictites. The rocks located above the main reservoir, primarily dolerite, were characterized to understand their role in trapping H2. It was found that not only do the dolerites play a significant role in trapping due to their cumulative thickness, but the presence of aquifers can also attenuate H2 migration by slowing it down in its migration towards the surface. The diagraphic analyses, coupled with production data, have revealed that the hydrogen system is a dynamic system that is spontaneously recharged in H2-rich gas at the production timescale, unlike oil and gas reservoir systems. Finally, the analysis of geophysical data provided an understanding of the overall structure of the area and the gas phase geophysical signature
Nguyen, Julien. "Stockage électrochimique d'hydrogène dans le carbure de titane". Limoges, 2013. https://aurore.unilim.fr/theses/nxfile/default/3ef7b178-91cc-4a1d-9d54-d5d078de92db/blobholder:0/2013LIMO4023.pdf.
Texto completo da fonteThis work deals with the feasibility of the electrochemical hydrogen insertion into the substoichiometric titanium carbides TiCx (0. 5 ≤ x ≤ 1) obtained by conventional reactive sintering (natural and hot pressing), and under the form of thin films, as obtained by magnetron reactive sputtering. The electrochemical hydrogen insertion in this material strongly depends on several parameters : (i) the elaboration process ; (ii) the crystalline structure ; and (iii) the stoichiometry of the carbide. The carbides TiCx obtained by hot pressing with x lower or equal to 0. 70 present an ordered crystalline structure where the (111) carbon plans are partially empty, allowing the hydrogen insertion into the material. On the contrary, the carbides prepared by reactive sintering at high temperature (2100°C) do not allow the hydrogen insertion whatever the carbide stoichiometry, because of the disorder of the carbon vacancies inside the crystalline structure. Nevertheless, it is possible to order these carbon vacancies by annealing at low temperature (730°C), this treatment rendering again the carbon plans (111) partially empty, and so, allowing the hydrogen to penetrate inside the titanium carbide with a diffusion coeffcient estimated at 1. 2 X 10-13 cm2. S-1 in TiC0. 60. The electrochemical reaction of oxidation of the titanium carbide was also studied, and it is demonstrated that TiC oxidizes into TiO2 accompanied by a CO2 release
Ebrahimiyekta, Alireza. "Characterization of geochemical interactions and migration of hydrogen in sandstone sedimentary formations : application to geological storage". Thesis, Orléans, 2017. http://www.theses.fr/2017ORLE2016/document.
Texto completo da fonteUnderground hydrogen storage has been introduced as storage solution for renewable energy systems as it offers a unique potential to store large amounts of energy, especially in sedimentary formations such as sandstones. However, evaluating the underground hydrogen storage requires a precise knowledge of the hydrodynamic behavior of the fluids and of mineralogical transformations due to the presence of hydrogen that may affect the storage properties. Therefore, this study is consists in three parts: 1- Study of geochemical reactivity of hydrogen in sandstone sedimentary formations: The experimental products bear the mark of only very limited reaction between sandstone minerals and hydrogen. Taken together with the numerical results, this study demonstrates that hydrogen, once injected, can be considered as relatively inert. Overall, our results support the feasibility of hydrogen confinement in geological reservoirs such as sandstones. 2- Study of the migration of hydrogen in sandstone: determination of relative permeability and capillary pressure of hydrogen-water system: To provide quantitative data for the development of underground hydrogen storage, capillary pressures and relative permeabilities of hydrogen-water system have been measured at two potential conditions. The interpretation of the results would suggest that the obtained data are applicable for the entire range of hydrogen storage conditions. Interfacial tensions and contact angles for the hydrogen-water system have been also derived. 3- Numerical simulation of a geological hydrogen storage site: The numerical simulation was performed to characterize the evolution of pure hydrogen storage, by considering the seasonal fluctuation of renewable energy and the effect of hydrogen loses due to the biotic reactions
Livros sobre o assunto "Réservoir de stockage d'hydrogène"
Rice, A. L. Decommissioning the Brent Spar. London: E & FN Spon, 1999.
Encontre o texto completo da fonteAhmed, Tarek. Equations of State and PVT Analysis. Gulf Publishing Company, 2013.
Encontre o texto completo da fonteAhmed, Tarek. Equations of State and PVT Analysis: Applications for Improved Reservoir Modeling. Elsevier Science & Technology Books, 2016.
Encontre o texto completo da fonteRelatórios de organizações sobre o assunto "Réservoir de stockage d'hydrogène"
Guidati, Gianfranco, e Domenico Giardini. Synthèse conjointe «Géothermie» du PNR «Energie». Swiss National Science Foundation (SNSF), fevereiro de 2020. http://dx.doi.org/10.46446/publication_pnr70_pnr71.2020.4.fr.
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