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Academic literature on the topic 'Chaleur – Récupération – Performances'
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Journal articles on the topic "Chaleur – Récupération – Performances"
CORDOVA LLANOS, V., H. X. HUMBEL, J. BOISSON, R. PHILIPPE, and M. POMIES. "Identification des projets potentiels de valorisation de l’énergie thermique des eaux usées de l’Eurométropole de Strasbourg." Techniques Sciences Méthodes 11 (November 21, 2022): 63–70. http://dx.doi.org/10.36904/tsm/202211063.
Full textDissertations / Theses on the topic "Chaleur – Récupération – Performances"
Guillet, Rémi. "La Combustion par voie humide et ses performances." Nancy 1, 2002. http://docnum.univ-lorraine.fr/public/SCD_T_2002_0149_GUILLET.pdf.
Full textIn the past, water has been used as additive component to improve combustion efficiency, to boost power, even as an anti-knock agent, as technique to reduce NOx formation. Today, using a wet combustion technique, gas turbines, generators concerned by the water vapor latent heat recovery, can benefit with a significant efficiency increasing from the energy saving and environment protection point of view. In wet combustion techniques, three fluids are supplied to the process: the fuel, the oxidizing or combustion agent and the additive waterTo analyse the wet combustion processes, the Combustion Hygrometric Diagram method is presented. Using wet bulb temperature as major parameter, this method is recommended for efficiency analysis, two-phases exchangers sizing. Many information of the water influence on the combustion processes behaviour are also given in this thesis
Cremieux, Marie-Adélaïde. "Etude de l’impact de la rugosité et de différentes structurations de surface sur le transfert de chaleur dans les passages condensation des vaporiseurs-condenseurs cryogéniques." Thesis, Paris, HESAM, 2021. http://www.theses.fr/2021HESAC032.
Full textThe aim of this research project is to deepen current knowledge of the mechanisms involved in the condensation of nitrogen (pure or in the presence of non condensable gases) with a view to developing correlations and / or a theoretical approach allowing to better model these phenomena. This knowledge will lead to propose ways of optimizing the design of the equipments in industrial condition. In order to do this, an experimental device allowing the study of the local heat transfer coefficient, during condensation, under controlled (and relevant) conditions will be mounted
Huang, Feng. "Contribution à l'évaluation et à la configuration optimale des systèmes à énergie distribuée basés sur la récupération de rejets de chaleur industrielle." Thesis, Toulouse 3, 2016. http://www.theses.fr/2016TOU30297/document.
Full textNowadays, industry accounts for about one third of energy consumption and CO2 emissions. Substantial opportunities exist to address environmental and economic challenges, including energy efficiency in general and the use of energy, especially in industrial parks. Distributed Energy Systems (DES) correspond in this sense to a common and promising solution. We have therefore undertaken a global site approach, including the aggregation of all influential energy, economic, environmental and managerial variables in an installation of this type. Implementation on a pilot plant and its validation have made it possible to identify the scientific and technical locks and to measure the relevance and efficiency of the elements and stationary operating modes of the systems. This study offers a method of cooperative use of the indicators of impacted domains and also opens perspectives on developments in dynamic mode for the purposes of optimum driving assistance
Abumandour, El Shaimaa Talaat Yussef. "Study of environmentally friendly working mixtures containing ionic liquids for absorption heat transformers." Thesis, Université de Lorraine, 2015. http://www.theses.fr/2015LORR0070/document.
Full textRecently, the cost and use of energy continually rise. Hence, humans are close to face serious environmental problems such as increasing CO2 discharges. In this regard, global community is to achieve the ambitious objective of reducing carbon footprint and to ensure that the heating demand is covered in a sustainable manner. Since, enormous amounts of low-temperature waste heat are released on daily bases from many industrial plants to the atmosphere at temperatures between 60 - 100°C. Absorption heat transformers (AHT) are interesting because they can recover low temperature waste heat from different industrial activities and renewable energy sources such as solar and geothermal. AHT can be used to upgrade waste heat to produce useful heat for heating and hot water supplies. Nowadays, the standard working pairs used for AHTs are {ammonia + water} and {water + lithium bromide}. However, both of the working pairs show questionable behavior such as toxicity, crystallization and corrosiveness. Therefore, exploring new working pairs which do not exhibit limitations become of great importance. This work includes an investigation to analyze the AHT systems using {water + ionic liquids} binary systems as working fluids. First, basic thermodynamic properties including vapor pressure, density, heat capacity as well as excess enthalpy of these binary systems were measured at various temperatures with different ionic liquid concentrations. The thermodynamic properties data were correlated by different equations, respectively. The correlated values were significantly consistent with the experimental data. Next, simulation of the AHT performance based on the thermodynamic properties of the new working pairs and on the mass and energy balance for each component of the system were performed. Results show that the {H2O + ILs} binary systems are promising alternatives to replace the already used {H2O + LiBr} working pairs