Letteratura scientifica selezionata sul tema "Analyse techno-économique"
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Articoli di riviste sul tema "Analyse techno-économique":
Thomas, Marc, e Brad Gravina. "Analyse techno-économique d’un assemblage Discoïde du Moustérien récent de l’abri inférieur du Moustier (Dordogne, France)". Paléo, n. 30-1 (30 dicembre 2019): 300–317. http://dx.doi.org/10.4000/paleo.4933.
Péquignot, Adrien. "Les formes de participation du spectateur numérique : le cas de GTA RPZ sur la plateforme Twitch". Télévision N° 13, n. 1 (20 ottobre 2023): 55–70. http://dx.doi.org/10.3917/telev.013.0055.
Tremblay, André. "Suicide, migration et rapports sociaux de sexe". Recherche 48, n. 3 (8 maggio 2008): 65–96. http://dx.doi.org/10.7202/018004ar.
Schmider, Béatrice. "Introduction – L’organisation de l’habitat aurignacien. Les données historiques". Gallia préhistoire. Suppléments 34, n. 1 (2002): 15–24. http://dx.doi.org/10.3406/galip.2002.2782.
NYS, Y. "Préface". INRAE Productions Animales 23, n. 2 (10 aprile 2011): 107–10. http://dx.doi.org/10.20870/productions-animales.2010.23.2.3292.
Tesi sul tema "Analyse techno-économique":
Lassagne, Olivier. "Analyse techno-économique de l'implantation de la capture du CO2 dans une aluminerie". Thesis, Université Laval, 2013. http://www.theses.ulaval.ca/2013/29796/29796.pdf.
Lassagne, Olivier. "Analyse techno-économique de l'implantation de la capture du CO₂ dans une aluminerie". Master's thesis, Université Laval, 2013. http://hdl.handle.net/20.500.11794/24766.
Demol, Rémi. "Production d'hydrogène issu de gazéification de biomasse : modélisation, analyse technico-économique et environnementale de solutions innovantes". Electronic Thesis or Diss., Université de Lorraine, 2021. http://www.theses.fr/2021LORR0322.
Minimizing the impacts caused by climate change imply the replacement of fossil fuels low greenhouse gas emitting energies. The hydrogen energy vector is forecasted to contribute to decarbonizing a part of industry and the uses of transport and mobility. Yet hydrogen is produced nowadays almost exclusively from fossil fuels and is dedicated to industrial applications.This work focuses on the production of hydrogen from a renewable resource, wood chips a by-product of the forest industry. Due to the nature of the fuel considered, small plant units are chosen (a limited supply area, short-distance transport of the resource). Pyrogasification processes transform this combustible into a synthesis gas (CO, H₂, CH₄, CO₂) under the effect of heat input (pyrolysis) or an oxidizing agent (gasification) consisting of oxygen and water vapor.To evaluate the relevance of these pyrogasification processes, they are studied and modeled with Aspen Plus®. Particular attention is put on the synthesis gas cleaning process. This syngas contains tars which should be reduced for the ultimate use of the gas. For this purpose, a partial oxidation unit is envisaged and modeled from a detailed radical kinetic mechanism. The purified gas can then be enriched in H₂ with Catalytic Reforming and Water Gas Shift reactors. The separation of the hydrogen produced is another crucial step and conventional technologies are not always suited to the gas produced. When a single technology cannot achieve the separation, a hybrid process combining membrane and adsorption technologies is adopted. The heat produced by the process is recovered in a heating network.In order to evaluate the relevance of these options, both from a financial and sustainable development point of view, a techno-economic analysis is carried out as well as a life cycle analysis. These processes clearly offer a virtuous alternative for the production of different vectors: hydrogen, heat and even bio-char. But under current market conditions, these industries are unable to reach financial equilibrium without public support
Bereiziat, Gérald. "Variabilité des comportements techniques du Dryas ancien à la fin du Bølling : Analyse techno-économique comparée du matériel lithique de cinq gisements tardiglaciaires du Jura méridional". Thesis, Bordeaux 1, 2011. http://www.theses.fr/2011BOR14443.
The present thesis is aimed at defining more closely the chronocultural frame of late glacial populations on the basis of lithic artefacts from five sites in the Southern French Jura. Starting from a taphonomic analysis, a techno-economical approach illuminates the variability of individual technological behaviour and finally discusses the particular humain groups on a synchronic and diachronic axis from 15.000 untill 11.000 yr B.P. These new results permit to redefine the place of these assemblages in the context of the Jura mountains and thus to establish the Southern French Jura within the Rhine-Saone-Rhone area as a crossing point of multiple influences
Tlili, Olfa. "Hydrogen systems : what contribution to the energy system? Findings from multiple modelling approaches". Thesis, Université Paris-Saclay (ComUE), 2019. http://www.theses.fr/2019SACLC083/document.
Hydrogen… This simple, very abundant element holds great promise to contribute to the transition towards a cleaner future energy system, but under which techno-economic and political conditions? This thesis is a contribution to the assessment of the hydrogen penetration feasibility into the energy system, using a multi-model approach. The focus is put on low-carbon hydrogen, obtained by electrolysis.Our multi-regional analysis on the European, American, Chinese and Japanese energy context (presenting contrasted energy challenges) show that, with the current energy policies implemented which result in a modest penetration of hydrogen into the energy system, hydrogen may achieve approximately 3% of the effort that needs to be done by the four regions, in order to limit the increase of the temperature to 2°C, compared to preindustrial levels. We highlight in this thesis that blending hydrogen with natural gas, and thereby avoiding methane leakages to a certain extent, may represent a significant contribution in achieving the carbon mitigation goals.The hydrogen market analysis has been carried out following two steps. First, each market (industrial and energy-related) was tackled aside in order to propose market entry costs considering the four energy contexts and investigate the timeframe of the market penetration potential. Then, the different hydrogen applications were examined within the overall energy system through the TIMES-PT model (for a Portugal case study), allowing to investigate the hydrogen potential for energy sector coupling. Based on this work, the markets attractiveness was evaluated: mobility (using fuel cell vehicles) appears to be the most favourable.Then, we tackled the required costs over the whole hydrogen supply chain in order to enter the mobility market.To do so, we used temporally and spatially resolved models (GLAES, EuroPower and InfraGis) starting with the production side where we studied the hydrogen potential role in providing the electricity system with flexibility and the impact of such electrolysis operation on the hydrogen generation costs in the context of high shares of renewable energies in France. Our results show that hydrogen can contribute to improve the flexibility of the electric system by allowing avoiding renewable curtailment (between 1.4 and 7.9 TWh depending on the interconnection capacity scenario) but also by taking advantage of nuclear plant available energy (thereby avoiding nuclear ramping), the latter ensuring a low carbon and low cost electricity provision. However, a special attention needs to be dedicated to the utilisation rate of the electrolyser, to keep the hydrogen production costs low enough.Last but not least, we focused on how to link the hydrogen production sites and its final use for mobility applications, the delivery infrastructure being a major issue hampering the hydrogen investments. Five transport and delivery pathways were geographically designed and economically assessed, for the French case. According to our findings, during the very first market penetration phases (1% scenario), it is more interesting to start with decentralised production that proved to be less expensive for the whole pathway at this stage
Hagi, Hayato. "Optimisation rationnelle des performances énergétiques et environnementales d’une centrale à charbon pulvérisé fonctionnant en oxy-combustion". Thesis, Paris, ENMP, 2014. http://www.theses.fr/2014ENMP0041/document.
The objective of the thesis is the conception of an optimized oxy-fired pulverized-coal power plant. Such a power plant is constituted of an oxygen production system (ASU), a boiler, power cycle, depollution equipments and a CO2 purification and compression system (CPU). After a first step consists in understanding, analyzing and modeling the different processes composing the oxy-combustion system; the work will focus on the optimization of the performances and the configuration of the power plant by minimizing exergy destructions while ensuring economic competitiveness of the obtained solution. At the end of the thesis, the origins of the exergetic losses in the system as well as the thermal integration scheme allowing the maximization of the energetic gains at power plant level will be identified. Additionally, the most adapted flue gas depollution strategies will be defined and the new integrated process schemes will be evaluated on both a techno-economic and flexibility basis
Mouhammad, Al Anfaf Mohamed Mladjao. "Contribution à la modélisation et à l’optimisation de systèmes énergétiques multi-sources et multi-charges". Thesis, Université de Lorraine, 2016. http://www.theses.fr/2016LORR0127/document.
Global energy demand continues to rise. The fossil fuel prices are unstable and uncertain. The liberalization of the electricity market and environmental awareness of the global leaders are levers for the development of renewable energy. These are growing at a rapid pace in the world. They reached technical maturity that enables them to become an important segment of the energy industry. Their integration in the energy mix poses new challenges compared to traditional energy sources. With an underexploited potential, photovoltaic and wind energy are advantageous economically and environmentally. However, their intermittent decreases their energy efficiency when operated. The use of hybrid systems (multi-sources) combining these renewable energy sources, the national distribution network (historical grid) and conventional storage systems, is generally regarded by all as a future solution, both efficient and reliable. Thereby, it is necessary to rethink the structure of electrical networks and energy markets, and changes in network management methods. In this context, the foreseen intake with this thesis is to contribute to the modeling and optimization of multi- load multi- source systems to power both remote sites “closeness energy” (campus, village) and large sites such as French regions through their interconnection "pooling ". Different scenarios of management and different configurations of the systems are modeled, tested and compared to analyze the effectiveness and robustness of each case. A complete technical and economic analysis is performed in order to study the feasibility of each system. To demonstrate the validation of these models, studies were performed on a French university campus, a Micro-grid in Mali and three French regions. These latter have been applied to an original interconnection model based on Petri nets for decision support in terms of network configuration and control of energy flows exchanged between interconnected producers/consumers territories without storage
Ducasse, Sylvain. "La "parenthèse" badegoulienne : fondements et statut d'une discordance industrielle à travers l'analyse techno-économique de plusieurs ensembles lithiques du Dernier Maximum Glaciaire". Phd thesis, Université Toulouse le Mirail - Toulouse II, 2010. http://tel.archives-ouvertes.fr/tel-00565784.
Eid, Patrick. "Analyse techno-économique des chaînes opératoires lithiques du Témiscouata (Québec), durant le Sylvicole et la période de Contact". Thèse, 2017. http://hdl.handle.net/1866/18427.
This thesis presents data and analyses on chipped stone tool techno-economic patterns of nomadic hunters-gatherers at a quarry source area in the Témiscouata region (Québec, Canada) during the latter part of the Middle Woodland (500-1000 AD), the Late Woodland (1000-1550 AD) and also the early historic period (XVIe-XVIIe centuries AD). Located in the hinterland of the Bas-Saint-Laurent region, in the upper St. John river drainage, the Témiscouata region is rich in natural resources, perhaps among the most important is an important chert outcrop. The Touladi chert is present in two main quarries and is also found in pebble form scattered in the vicinity of the surrounding lakes and rivers. We applied a technological analysis, from the technological approach in the French tradition, to five lithic collections with the objective of reconstructing the chaînes opératoires and their economic management patterns (techno-economy). The most prominent artifacts found are of course the countless flakes which have been derived from three different chaînes opératoires: the bifacial process, the multidirectional (ad hoc) core reduction, and the use of pièces esquillées. The production of bifacial tools is the most important process in the Témiscouata lithic industries and is the one which produced most of the flakes found on the prehistoric settlements. The tool assemblage is first characterized by the bifacial tools which are primarily manufactured from tabular blocks of chert. As for the flake tools, they are mostly represented by informal (ad hoc) tools (retouched and used flakes), endscrapers and pièces esquillées. Techno-economic patterns of Touladi chert use have demonstrated that most of the flake tools were made on flake blanks derived from the bifacial process, mostly from the early and middle stages of this chaîne opératoire. The bifacial process was also segmented in time and space so that blanks and preforms could be carried throughout the territory to be used as “cores”. The two other production sequences are quite secondary based on the small amount of tools manufactured and they are far less mobile than the bifacial process. Stone tools that are made of exotic materials, even if they represent a small part of the archaeological record, reveal the patterns that prevailed while hunters-gatherers were outside the quarries zone. The technological analysis provides empirical evidence that hunter-gatherers of the Témiscouata region adopted flexible and simple, yet efficient, techno-economical strategies. These management schemes, which use the bifacial chaîne opératoire as the central element of tool manufacturing, are well adapted to their way of life based on a generalist, seasonal and flexible subsistence economy.