Academic literature on the topic 'Performances hygrothermiques et énergétiques'
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Journal articles on the topic "Performances hygrothermiques et énergétiques":
Pillet, Didier. "Réflexions autour de la notion d’EROI. Illustration avec le photovoltaïque et l’hydrogène." Annales des Mines - Responsabilité et environnement N° 111, no. 3 (October 20, 2023): 59–66. http://dx.doi.org/10.3917/re1.111.0059.
Annabi, Mohamed, Abderrahmane Mokhtari, and Toubet-Allah Hafrad. "Estimation des performances énergétiques du bâtiment dans le contexte maghrébin." Journal of Renewable Energies 9, no. 2 (June 30, 2006): 99–106. http://dx.doi.org/10.54966/jreen.v9i2.819.
ÉMILE, J. C., and Y. BARRIÈRE. "Effets de la teneur en grain de l’ensilage de maïs sur les performances zootechniques de vaches laitières." INRAE Productions Animales 5, no. 2 (May 29, 1992): 113–20. http://dx.doi.org/10.20870/productions-animales.1992.5.2.4225.
Pearson, R. Anne, and Eric Vall. "Performances et conduite des animaux de trait en Afrique sub-saharienne : une synthèse." Revue d’élevage et de médecine vétérinaire des pays tropicaux 51, no. 2 (February 1, 1998): 155–63. http://dx.doi.org/10.19182/remvt.9642.
Bonhomme, Gérard, and Jacques Treiner. "L’EROI et son importance dans l’évaluation des performances des systèmes énergétique." Annales des Mines - Responsabilité et environnement N° 111, no. 3 (October 20, 2023): 34–39. http://dx.doi.org/10.3917/re1.111.0034.
Menhoudj, Sayeh, Djamel Sifodil, and Abderrahmane Mokhtari. "Etude expérimentale d’un système solaire actif-PSD." Journal of Renewable Energies 15, no. 3 (October 23, 2023): 479–88. http://dx.doi.org/10.54966/jreen.v15i3.337.
DELAGARDE, R., and J. L. PEYRAUD. "Gérer les variations des apports alimentaires des vaches laitières au pâturage." INRAE Productions Animales 26, no. 3 (June 18, 2013): 263–76. http://dx.doi.org/10.20870/productions-animales.2013.26.3.3155.
Cotton, G., C. Feliers, K. Kecili, and A. L. Colon. "Performance du traitement membranaire (NF et OIBP) : rétention des micropolluants et enjeux énergétiques." Techniques Sciences Méthodes, no. 4 (April 2019): 29–36. http://dx.doi.org/10.1051/tsm/201904029.
Dautremont, Charlotte, Charlélie Dagnelie, and Sylvie Jancart. "Le BIM6D comme levier pour une architecture circulaire." SHS Web of Conferences 47 (2018): 01005. http://dx.doi.org/10.1051/shsconf/20184701005.
Pradel, Marilys, and Daniel Boffety. "Quels indicateurs et solutions technologiques adaptés pour évaluer finement les performances énergétiques des exploitations agricoles ?" Sciences Eaux & Territoires Numéro 7, no. 2 (2012): 16. http://dx.doi.org/10.3917/set.007.0016.
Dissertations / Theses on the topic "Performances hygrothermiques et énergétiques":
Costantine, Georges. "EOPEBEC - Etude et optimisation des performances énergétiques d’une enveloppe en béton de chanvre pour le bâtiment." Thesis, Reims, 2018. http://www.theses.fr/2018REIMS015/document.
In a context of global warming and planned end of fossil fuels, the construction industry aims to reduce by 38% its energy consumption and to achieve 10% of bio-based materials used in construction in 2020. Thus, the hemp concrete can play a major role thanks to its positive environmental impact and its hygrothermal properties that allow it to ensure a role of heat damper and comfort stabilizer. Or hygrothermal behavior of hemp concrete throughout the building is little discussed in the literature and never for commercial buildings. The main objective of this project is to fill this gap by studying and optimizing the energy performance of a hemp concrete building designed for offices and / or classrooms. To ensure inside thermal comfort, different technical solutions will be coupled to the building and compared with each other: - A double flow thermodynamical ventilation combining a heat pump with a double flow central. - A simple flow ventilation associated to a pipe system which recovers heat from the basement to preheat ventilation air in winter and cool in the summer. - A double flow ventilation associated to a Canadian well. Through computer simulation and measurements made initially at the level of components, it will be possible to evaluate the potential of each component on the energy and hygrothermal comfort of commercial buildings mainly integrating the project boundary Grand Campus Reims but also can be extended to other French specificity climates
Rouchier, Simon. "Évaluation des performances hygrothermiques des matériaux de construction endommagés." Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-00761749.
Greffet, Rémy. "Études expérimentale et numérique des performances énergétiques d'une fenêtre pariétodynamique." Thesis, La Rochelle, 2016. http://www.theses.fr/2016LAROS020/document.
The massive use of fossil energies is largely responsible for greenhouse gas emissions. Moreover, the growth in energy demand and the depletion of fossil resources lead to an increase in energy costs. The response to this challenge requires two means of action which are linked : the reduction of energy consumption and the use of renewable energy. The airflow window acts on the two main ways of building heat losses that are windows and the ventilation. The principle of the studied airflow window is based on the circulation of fresh air, by forced convection, between the three glasses of the window before entering the building. This allows air to recover both a part of heat losses through the window and part of the solar energy absorbed by the glasses. To study the thermo-aeraulic behavior and thermal performances of the window, we have developed a numerical model of the studied airflow window. An experimental set up was used to validate the numerical model and compare, in real conditions, the studied window performances to the ones of a conventional double-glazed window. These experimental results were complemented by a numerical parametric study for different climatic and operating conditions.The main information from these experimental and numerical studies are that the preheating of the air takes place essentially in the inner air gap, temperature in the first air layer remaining close to the outdoor one. In addition, unlike the temperatures of the inside face and of the blown air, the outer face temperature of the window is not greatly affected by the studied parameters. On the window frame, we found that it also benefits of heat exchanges with the circulating air, but to a lesser extent. This makes the window energy efficient. Finally, by coupling the developed model to a thermal building simulation software, we evaluated the airflow windows integration potential in a house. We thus demonstrated that the heat load is reduced by about 20 to 30% by the use of airflow windows instead of conventional double-glazed windows. Moreover, in summer, when indoor is cooler than outdoor, we pointed out that the airflow window cools the incoming fresh air
Wu, Dongxia. "Experimental and numerical study on passive building envelope integrated by PCM and bio-based concrete." Electronic Thesis or Diss., Université de Lorraine, 2022. http://www.theses.fr/2022LORR0104.
With the development of society, the demand for energy saving and carbon emission reduction in buildings as well as the indoor thermal and humidity environment comfort is gradually increasing. Using Phase change materials (PCMs) or bio-based hygroscopic materials as building envelopes are promising solutions. PCMs can improve indoor thermal comfort and reduce energy consumption, while bio-based hygroscopic materials are environment-friendly materials that enable indoor humidity regulation and thermal insulation. However, only a few studies have explored the integrated application of the two types of materials and comprehensively analyzed the energy and hygrothermal performance. This dissertation proposed a passive envelope solution that integrates PCM and bio-based hemp concrete (HC) to simultaneously improve the energy, thermal, and hygric performances of buildings. The main objectives of this study are to investigate the feasibility of the integrated envelopes, to comprehensively study the hygrothermal and energy performance as well as the advantages and disadvantages of different configurations with PCM placed in different locations of the HC, and to conduct the parametric analysis and evaluate the application risks of the integrated envelope.First, experiments were conducted by comparing the hygrothermal performance of a reference envelope (HC only) and three integrated envelopes with PCM placed in different locations under two typical boundary conditions. The results demonstrated the feasibility of the integrated envelopes. The presence of PCM increased the thermal and hygric inertia of the envelope. As a result, the time delay was increased and the temperature/relative humidity amplitude was decreased. Different configurations had different advantages and disadvantages. The configurations with PCM placed in the middle of the HC was worth noting as it had small temperature/relative humidity fluctuation, long temperature time delay, and large energy savings.Then, the mathematical model of the integrated envelope that couples heat and moisture transfer and considers the temperature dependence of HC’s hygroscopic characteristic was developed. The accuracy of the model was validated by comparison with the experimental data. Based on the validated model, the simulations were performed in a Mediterranean climate to comprehensively investigate the hygrothermal and energy performance of the integrated envelope. The results highlighted the indispensable role moisture transfer plays in determining the indoor hygric environment and heat load, as well as the valuable effect of the integrated envelope on improving both energy and hygrothermal performance. Besides, the integrated envelope with PCM close to (but not in contact with) the interior showed great potential for saving energy and adapting to climate humidity variation while guaranteeing moisture equilibrium within the HC.Finally, the parametric analysis was performed from the perspective of PCM properties (thickness, latent heat, and phase transition range), and the application (condensation and mold growth) risk was evaluated. The results of the parametric analysis illustrated that the performance of the integrated envelope could be improved by increasing the thickness and latent heat and identifying the appropriate phase transition range of the PCM. The risk evaluation results confirmed that the integrated envelope was free from the risk of condensation and mold growth
Forquet, Valérian. "Composés polyazotés dérivés d'hydrazines : synthèse, caractérisation et modélisation quantique des performances énergétiques." Phd thesis, Université Claude Bernard - Lyon I, 2012. http://tel.archives-ouvertes.fr/tel-00942634.
Forquet, Valérian. "Composés polyazotés dérivés d’hydrazines : synthèse, caractérisation et modélisation quantique des performances énergétiques." Thesis, Lyon 1, 2012. http://www.theses.fr/2012LYO10328/document.
High nitrogen content energetic compounds, envisioned as a first step towards High EnergyDensity Materials (HEDM) for space propulsion, were prepared from hydrazine derivatives. Indeed,the formation of nitrogen gas (N−−−N) from an N−−N bond yields a lot of energy and even morefrom an N−N bond. Hence, an amination reaction on unsymmetrical dimethylhydrazine (UDMH)yielded a 2,2-dimethyltriazanium salt, containing three consecutive single-bonded nitrogen atoms.The initial inorganic anion was then exchanged with the following nitrogen-rich anions in order toyield energetic salts: 5-aminotetrazolate, 5-nitrotetrazolate, 5,5’-azobistetrazolate, azide, nitroformateand dinitramide. For safety reasons, the ion metathesis of the azide salt was conductedby electrodialysis and the sensitivities of all compounds towards both impact and friction wereevaluated in accordance with standard procedures. Reliable heats of formation of the compoundswith the highest nitrogen content were obtained by oxygen bomb calorimetry. These values werethen computed with quantum mechanical methods and compared with known procedures reportedin the literature, whose theoretical backgrounds have been discussed. Consequently, theprocedure resulting in the best match between calculated and experimental heats of formation wasidentified. The precision of the method used herein exceeds that of recent results from renownedresearch groups in this field. Thus, the various techniques introduced during the course of thiswork will enable our laboratory to progress more efficiently in this area of research
Arnal, Etienne. "Modélisation et commande hiérarchisées du bâtiment pour l'amélioration des performances énergétiques, thermiques et optiques." Phd thesis, INSA de Lyon, 2013. http://tel.archives-ouvertes.fr/tel-00873975.
Lasbet, Yahia. "Performances hydrodynamiques, thermiques et énergétiques de géométries chaotiques : application au refroidissement des PEMFC." Nantes, 2008. http://www.theses.fr/2008NANT2011.
This study focuses on improving the thermal performance of heat exchangers integrated into the bipolar plates of the PEMFC type fuel cells. The current design of heat exchangers in these applications is based on a network of straight channels machined in the bipolar plates. We present a numerical and experimental study of a new cooling system dedicated to this application. In this work, we propose a new design that can generate chaotic fluid trajectories. Several geometries are designed and tested. An initial selection of geometries was made by calculating the ratio between the Poiseuille number and the Nusselt number. When this ratio is the weakest, the compromise heat transfer- pressure losses is the best. This criterion is issued from the first law of thermodynamics. In a second step, the selected geometries were characterized by two approaches (the second law and Exergy approach). The second law approach reveals that the energy dissipated due to the viscous dissipation is negligible in laminar flow. The analysis of the degradation of energy for different geometries shows that the geometry for which the convective heat transfer coefficient is higher is also the one in which the degradation of energy is the lowest
Munaretto, Fabio. "Étude de l'influence de l'inertie thermique sur les performances énergétiques des bâtiments." Phd thesis, Ecole Nationale Supérieure des Mines de Paris, 2014. http://pastel.archives-ouvertes.fr/pastel-01068784.
Zalewski, Laurent. "Etude thermique expérimentale et simulation numérique d'un mur solaire composite : optimisation des performances énergétiques." Artois, 1996. http://www.theses.fr/1996ARTO0005.
Book chapters on the topic "Performances hygrothermiques et énergétiques":
Bartiaux, Françoise. "Les performances énergétiques des habitations et les travaux de rénovation." In Sociologie de l'énergie, 217–26. CNRS Éditions, 2015. http://dx.doi.org/10.4000/books.editionscnrs.25947.
OLIVÈS, Régis. "Centrales solaires thermodynamiques et stockage." In Stockage de la chaleur et du froid 1, 217–87. ISTE Group, 2023. http://dx.doi.org/10.51926/iste.9133.ch8.
BOUSSEN, Sinda, Mohamed-Aymen CHALOUF, and Francine KRIEF. "Sélection multicritère des paramètres de transmission dans l’IoT." In La gestion et le contrôle intelligents des performances et de la sécurité dans l’IoT, 1–26. ISTE Group, 2022. http://dx.doi.org/10.51926/iste.9053.ch1.