Добірка наукової літератури з теми "Carburants – Recherche"
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Статті в журналах з теми "Carburants – Recherche":
Tytgat, Luc. "La réglementation, la certification et leurs effets." Annales des Mines - Réalités industrielles Mai 2024, no. 2 (June 14, 2024): 18–21. http://dx.doi.org/10.3917/rindu1.242.0018.
Fulgence, Konan Amani, Tanou Yoboué Kouassi Évariste, and Jérome Aloko-N’Guessan. "Usage des TIC dans l’Approvisionnement de la Région du Haut-sassandra en Produits Carburants." European Scientific Journal, ESJ 19, no. 17 (June 30, 2023): 49. http://dx.doi.org/10.19044/esj.2023.v19n17p49.
Guibet, J. C. "Carburants de substitution : orientations et recherches françaises." Revue de l'Institut Français du Pétrole 40, no. 1 (January 1985): 125–35. http://dx.doi.org/10.2516/ogst:1985009.
Darrieulat, Michel. "Transition énergétique : les matériaux sont-ils prêts pour l’utilisation à grande échelle de l’hydrogène ?" Annales des Mines - Réalités industrielles Février 2024, no. 1 (June 7, 2024): 89–93. http://dx.doi.org/10.3917/rindu1.241.0089.
Boucher, Michel. "Considérations empiriques sur la technologie de l’industrie québécoise du camionnage public." Articles 64, no. 3 (January 28, 2009): 361–79. http://dx.doi.org/10.7202/601453ar.
Grimal, Richard. "Reducing car traffic? Welfare costs and environmental benefits of different economic and technological scenarios by 2060." Les Cahiers Scientifiques du Transport - Scientific Papers in Transportation 73 | 2018 (March 31, 2018). http://dx.doi.org/10.46298/cst.12171.
Geordiades, Yiannakis. "Vehicle nuisance control and energy saving. Essay for a typology and a definition of problem." Les Cahiers Scientifiques du Transport - Scientific Papers in Transportation 11-12 | 1985 (June 30, 1985). http://dx.doi.org/10.46298/cst.11822.
Doyon, Sabrina. "Environnement." Anthropen, 2016. http://dx.doi.org/10.17184/eac.anthropen.007.
Дисертації з теми "Carburants – Recherche":
Jeanjean, Samuel. "Les carburants métalliques comme futurs vecteurs énergétiques décarbonés." Electronic Thesis or Diss., Orléans, 2024. http://www.theses.fr/2024ORLE1006.
The climate emergency demands immediate action to combat global warming and its devastating consequences. This entails actively promoting sustainable transportation and clean energy sources to create a climate-responsible future. Although there are already many carbon-free energy sources, most of them are intermittent, necessitating the use of energy vectors to make these solutions viable. These energy vectors allow for the storage of surplus energy to smooth out energy production, according to demand. An excellent candidate to serve as such an energy vector is aluminum. In this context, the study of aluminum powder combustion becomes crucial.The objective of this thesis is to advance the understanding of the physical phenomena governing this reaction, with a particular focus on flame temperature. To study this characteristic, a Bunsen-type burner was used, and a two-color pyrometric system was employed to acquire temperature mapping. A transition in flame mode was observed in an aluminum/methane/air mixed flame by studying flame intensity, flame structure, and flame thickness. Additionally, on the same burner, the flammability limit, flame speed, and temperature were observed for different oxygenation rates in an aluminum/air flame
Curcio, Axel. "Simulation dynamique et contrôle d'un gazéifieur continu pour la production de carburants solaires." Electronic Thesis or Diss., Perpignan, 2023. https://theses-public.univ-perp.fr/2023PERP0035.pdf.
This thesis tackles the optimization of a spouted-bed reactor, for the solar gasification of biomass (beech wood pellets). The syngas synthesized is notably useful for the production of alcohols and fuels. Integrating solar heating enables decarbonating the process, which is usually autothermal. This means that one third of the initial feedstock is usually burnt to heat the reactor, and that the producer gas is contaminated.Various gasifier designs have been assessed experimentally since the 1980s, showing promising energy efficiencies. Some theoretical works were also carried out to tackle the practical application of the technology in industrial processes. In particular, the fluctuations of sunlight availability must be managed, by proposing thermal storage and hybridization methods. The solar-autothermal hybridization – which relies on in situ oxygen injection – is an interesting solution, and will be tackled all through the present thesis.Firstly, the experimental setup (1.5 kWth) is detailed. Preliminary experiments with continuous injection are carried out, to better characterize the reactions of wood pyrolysis and char gasification. Via comparative studies, the impacts of the cavity’s layout on gasification results are described (indirect heating through an emitter plate, inert particles bed, cylindrical confiner). A dynamic simulation code is eventually developed in PYTHON, to model the impact of reactants feeding rates on transient outcomes. This code couples heterogeneous kinetics, corresponding to char-gas reactions, with the computation of thermodynamic equilibrium in the gas phase. The related hypotheses enable reducing the computational costs.Secondly, the solar-autothermal hybrid process is described. Experimental results are exploited, to quantify the negative impact of O2 injection on the producer gas quality (H2 and CO yields). Control strategies are then proposed to mitigate these effects, via the controlled injection of biomass or water throughout hybridization. A constant H2+CO production strategy is retained for the following, and is assessed through a parametric study in PYTHON. The impacts of hybridization on the walls temperature and syngas composition are discussed.Thirdly, the PYTHON code is applied to the hybrid gasifier dynamic control, in order to establish yearly production reports. An upscaled reactor is considered (10 MWth), with controlled H2+CO volume production and reactants temperature. Parametric studies are performed regarding the control code tuning, and the impact of design parameters on the hybrid gasifier performances. Finally, the relevance of the model assumptions is discussed.7The present thesis thus proposes a precise hybridization strategy (constant H2+CO production), which aims at facilitating the integration of the solar gasifier in an industrial process. The feasibility of dynamic control on a second-per-second time scale is demonstrated. In a 10 MWth plant around the location of Odeillo (France), the yearly solar heat share might be around 20%. Beyond this point, syngas production is necessarily fluctuating, thus requiring the integration of costly storage facilities. Perspectives are listed to clarify design choices for upscaled hybrid gasifiers
Blanchet-Costermans, Muriel Casanave Dominique. "Etat de l'art des procédés de purification chimique des gaz riches en hydrogène issus de carburants liquides pour alimenter les piles à combustibles de type PEMFC." [S.l.] : [s.n.], 2005. http://www.enssib.fr/bibliotheque/documents/dessid/rrbblanchet.pdf.
Texte intégral.
Haid, Jürgen. "Recherches sur un procédé de conversion catalytique de méthane en hydrocarbures supérieurs." Vandoeuvre-les-Nancy, INPL, 1997. http://www.theses.fr/1997INPL113N.
Monferran, Paul. "Modèles numérique et stochastique des fixations pour la contrainte foudre des lignes d’assemblages sur avion." Thesis, Limoges, 2018. http://www.theses.fr/2018LIMO0095/document.
The lightning effects on the fastening assemblies of an airplane may be critical. One of the most critical phenomenon is the sparking effect around the fasteners. This effect is usually associated to the contact resistances. Due to the standards, the lack of knowledge about this multiphysics issue and the inability to follow only an experimental approach, the aircraft manufacturers have chosen a modelling way. In this manuscript, we model the fastening assemblies in order to understand the local constraint on these assemblies. The finite difference time domain (FDTD) method mostly used for the lightning issue in the aircraft industry is chosen as the solving method. Several fastener models are developed and validated. We present simplified models, as the resistive wire model for instance, up to complex one with all the contact resistance of the fastener. Furthermore, due to the large uncertainties from one fastener to the other one in the same family, the fastener models are supplemented with statistical models. Thanks to a data base measurement created from several measurement campaigns made by Dassault Aviation, distribution laws are established to characterize the lightning injection effects or the state after lightning injection on the fasteners. Using this statistical models, a stochastic study is presented in order to evaluate the uncertainties in a fuel tank modelling