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Статті в журналах з теми "Systèmes énergétiques couplés":
Riffonneau, Yann, Franck Barruel, and Seddik Bacha. "Problématique du stockage associé aux systèmes photovoltaïques connectés au réseau." Journal of Renewable Energies 11, no. 3 (September 30, 2008): 407–22. http://dx.doi.org/10.54966/jreen.v11i3.92.
Di Donna, Alice, Fabrice Emeriault, Lionel Demongodin, and Jean-François Gobichon. "Aspects géotechniques et énergétiques des géostructures thermoactives : application à un cas d’étude réel." Revue Française de Géotechnique, no. 164 (2020): 4. http://dx.doi.org/10.1051/geotech/2021001.
Merabti, Leila, Mustapha Merzouk, Nachida Kasbadji, Nesrine Hatraf, and Mohamed Abbas. "Rafraîchissement solaire par dessiccation." Journal of Renewable Energies 17, no. 3 (October 19, 2023): 403–9. http://dx.doi.org/10.54966/jreen.v17i3.453.
Oudrane, Abdellatif, Benaoumeur Aour, Messaoud Hamouda, Sofiane El Mokretar, and Mohamed Benhamou. "Echanges thermiques des parois d’un environnement habitable: étude et analyse." Journal of Renewable Energies 21, no. 2 (June 30, 2018): 231–45. http://dx.doi.org/10.54966/jreen.v21i2.685.
Kherris, Sahraoui, Djallel Zebbar, Mohamed Makhlouf, Souhila Zebbar, and Kouider Mostefa. "Etude et analyse d’une machine frigorifique à absorption-diffusion solaire NH3-H2O-H2." Journal of Renewable Energies 15, no. 3 (October 23, 2023): 373–82. http://dx.doi.org/10.54966/jreen.v15i3.328.
GUY, G., and L. FORTUN-LAMOTHE. "Avant-propos." INRAE Productions Animales 26, no. 5 (December 19, 2013): 387–90. http://dx.doi.org/10.20870/productions-animales.2013.26.5.3167.
Semassou, Clarence, Jean Pierre Nadeau, Patrick Sebastian, Jérôme Pailhès, and Antoine Vianou. "Optimisation multicritère en conception de système photovoltaïque pour des maisons individuelles en contexte africain." Journal of Renewable Energies 16, no. 2 (October 22, 2023). http://dx.doi.org/10.54966/jreen.v16i2.376.
Khama, Réda, and Azeddine Belhamri. "Description mathématique du transfert de chaleur et de masse à travers un lit profond de séchage Effet du rétrécissement sur la porosité du lit." Journal of Renewable Energies 12, no. 4 (December 31, 2009). http://dx.doi.org/10.54966/jreen.v12i4.165.
Дисертації з теми "Systèmes énergétiques couplés":
Orefice, Giovanni. "Description par mobilités énergétiques des échanges vibratoires dans les systèmes couplés." Phd thesis, INSA de Lyon, 1997. http://tel.archives-ouvertes.fr/tel-00778515.
Mallégol, Antoine. "Optimisation multi-objectifs de systèmes énergétiques couplés : méthodes exactes et approchées." Electronic Thesis or Diss., Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2023. http://www.theses.fr/2023IMTA0383.
An energy system is a set of infrastructures and technologies that allow for the production, storage, and distribution of energy. Coupled energy systems include multiple energy vectors, such as electricity and heat, and interactions can occur between these forms of energy. Optimization of these systems allows for the best possible design and operation of energy generation and storage, with various objectives that can be linked to cost or the environmental impact of the system. In this work, we model and optimize a coupled energy system over a long period of time (one year), with a high temporal resolution. In parallel, we take into account non linearities in the equations that govern the electrical efficiency of cogeneration and those describing thermal storage. We incrementally propose different resolution methods, ranging from a mathematical program to a matheuristic, through an heuristic. We show the interest of these approaches for reducing the costs of these systems, while increasing the proportion of renewable energy sources
Stelzer, Rainer. "Une méthode énergétique pour les systèmes vibro-acoustiques couplés." Phd thesis, INSA de Lyon, 2012. http://tel.archives-ouvertes.fr/tel-00780602.
Tourreilles, Céline. "Qualification énergétique et sanitaire des systèmes d'épuration intégrés aux réseaux de ventilation." Thesis, La Rochelle, 2015. http://www.theses.fr/2015LAROS012/document.
Indoor air quality in low-energy buildings has become these recent years an important topic with the rigorous performance expectations in terms of envelope airtightness and energy consumption set by the RT2012 thermal building code. One possible solution to conciliate indoor air quality and energy performance is to integrate air-cleaning systems in the building ventilation system. Because of the lack of scientific results regarding the suitability of those systems to solve this problematic, an investigation using numerical simulation has been conducted in the present work. This choice led to the development of a numerical tool that resolves in a coupled way, the heat and mass transfers, considering a multi-pollutant representation at the scale of the building/rooms. This tool was developed in the Dymola environment, using the Modelica programming language. Several experiments were also performed in the present work to acquire complementary data about the sorption of gaseous pollutants by indoor covering materials and about the cleaning effectiveness and energy consumption of six air-cleaning systems. To illustrate the capabilities of the numerical tool, simulations have been performed for an office building zone. The building has been located in two climatic zones and submitted to two levels of outdoor pollution, for a whole year. Three of the tested solutions that have shown the best air-cleaning performances in the experimental phase have been simulated under various operating conditions. Two cases of higher amount of fresh air, i.e. without any air-cleaning system, have been also included to the study. One index has then been defined to compare the performance of the different solutions considering both the exposure reduction to eight pollutants and the induced energy consumption. The results obtained in the present study confirm the adequacy of the proposed methodology. In particular, the importance of evaluating the solutions in their real context and not simply relying on their intrinsic performances to judge their performances when applied to indoor environments has been demonstrated. Another important issue is the need to conduct experimental characterizations of sorption processes and air-cleaning system under environmental conditions representative of real indoor spaces, i.e. low pollutant concentration and adequate air temperature, humidity and velocity. Future developments needed to improve the capabilities of the numerical tool are presented in conclusion as well as some important issues that would need a careful attention for further works in the domain
Orefice, Giovanni. "Description par mobilités énergétiques des échanges vibratoires dans les systèmes couple." Lyon, INSA, 1997. http://www.theses.fr/1997ISAL0109.
The energetic mobility is defined: it links the active injected power in a frequency band at a given point on a structure to the squared velocity level at another point. On a single structure it can be used to add the contributions of several active power injection and obtain the frequency averaged squared velocity level at any point. On an assembly it allows predicting the local frequency averaged squared velocity level after coupling using those on the substructures before coupling. The energetic mobility between two uncoupled points is almost invariant after coupling the structure and the energetic mobility is asymptotically invariant if one adds a mass at the injection point. The concept of active power sources in a frequency band is also defined and declaimed. The energetic mean mobility approach (EMMA) allows one to make local energetic predictions using exclusively frequency band averaged quantities. Numeric tests of multipoint (rigid or elastic and dissipative) coupling of homogeneous and heterogeneous plates follow, with the study of the different errors of the method and with an experiment on plate and cylinder assemblies
Gergaud, Olivier. "Modélisation énergétique et optimisation économique d'un système de production éolien et photovoltaïque couplé au réseau et associé à un accumulateur." Phd thesis, École normale supérieure de Cachan - ENS Cachan, 2002. http://tel.archives-ouvertes.fr/tel-00439079.
Mencik, Jean-Mathieu. "Formulation de la réponse dynamique d'une structure maîtresse couplée à un système annexe et formulation locale du comportement énergétique des structures vibrantes." Thèse, Université de Sherbrooke, 2002. http://savoirs.usherbrooke.ca/handle/11143/1736.
Ayele, Getnet Tadesse. "Exploiting the synergies from coupled electricity and heat distribution networks : modelling, simulation and optimization based on an extended energy hub approach." Thesis, Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2020. http://www.theses.fr/2020IMTA0215.
Recent literature shows that there is a significant potential of decarbonisation and efficiency improvement that can be achieved through the synergy from multi-energy systems (MESs). Coupling technologies, such as co-generation plants, heat pumps and thermal storages are widely recommended as means of unlocking additional flexibility and increasing the penetration of renewables in the heating and electricity sectors. In view of that, the size and number of coupling technologies, such as combined heat and power plants and heat pumps (HPs), being installed in the heat distribution networks are increasing. As these technologies are exclusively managed by the district heating network operators, their operation sometimes becomes suboptimal from the electricity network point of view, and they (in particular large HPs) may cause overloading of the low voltage electricity distribution networks. Integrated simulation and optimisation models are required to exploit the synergies effectively without compromising the constituent distribution networks of MES. Such models are not yet well developed. The conventional single-energy-carrier simulation tools are not capable of capturing key operating parameters of the multi-carrier distribution networks either. A novel methodology for simulation and optimisation of MES is developed in this thesis based on an Extended Energy Hub (EEH) approach. The general framework is first developed in modular form so that it can be easily adapted for any type of multi-carrier energy networks. The framework is then used to develop the details of an integrated load flow model governing coupled heating and electricity distribution networks. Various load flow case studies with radial and meshed topologies are considered for demonstration and numerical validation of the proposed model. The load flow model is further combined with a particle swarm optimisation algorithm in order to conduct integrated optimal power flow studies. Its contribution to the state of art is demonstrated by studying the optimal placement of coupling technologies, such as HPs and boilers in coupled heating and electricity distribution networks. The capacity of the model is further illustrated by exploiting the synergies using HPs together with thermal storage in the presence of intermittent renewables and variable electricity price signal. It is shown that the EEH-based simulation and optimisation methodologies proposed in this thesis are very effective, flexible and easily scalable in capturing the key operating parameters of integrated electricity and district heating networks. The models can be used as a platform for further studies on integration of smart grids and smart thermal networks
Marion, Candice. "Novel insights on ghrelin receptor signaling in energy homeostasis and feeding behavior using the GhsrQ343X mutant rat model." Thesis, Sorbonne Paris Cité, 2017. http://www.theses.fr/2017USPCB109.
The stomach-derived hormone acyl ghrelin promotes body weight gain, mostly in the form of fat mass, by means of several central and peripheral mechanisms mediated by the growth hormone secretagogue receptor (GHSR). The GHSR is a G protein-coupled receptor that, in addition to respond to acyl ghrelin, displays agonist-independent signaling through high constitutive activity and possibly heteromerization with dopamine receptors. Despite the potent biological properties of exogenous acyl ghrelin, the lack of animal models able to apprehend the complexity of the acyl ghrelin-GHSR system in vivo has been hampering the elucidation of its physiological roles. Indeed, genetic mouse models generated so far lack specificity either at the level of the hormone (not able to discriminate between acyl ghrelin versus desacyl ghrelin) and/or at the level of the GHSR (not able to discriminate between GHSR signaling modes). In this context, new models differentially affecting GHSR signaling pathways would represent valuable tools to decipher the acyl ghrelin-GHSR system in vivo. We therefore aimed at characterizing a new rat model carrying a point mutation in Ghsr that predicts truncation of a regulatory domain in the C-terminus, the GhsrQ343X mutation. In cellular models, this mutation was found to uncouple the GHSR from agonist-dependent receptor internalization and β-arrestin recruitment, while enhancing GHSR responsiveness in the G protein pathway. Accordingly, homozygous mutant GhsrM/M rats show enhanced responsiveness to exogenous GHSR agonists in terms of growth hormone release, food intake and locomotor activity. Physiological and behavioral exploration of GhsrM/M rats supports that the GhsrQ343X mutation is associated with increased body weight gain and adiposity independently of calorie intake, reduced whole-body fat oxidation, metabolic flexibility and glucose tolerance, without any critical impact on homeostatic feeding behavior. Moreover, given that circulating ghrelin levels are not increased by the GhsrQ343X mutation, the overall metabolic phenotype of GhsrM/M rats is consistent with enhanced GHSR sensitivity to the endogenous tone of acyl ghrelin. Furthermore, preliminary results suggest that the GhsrQ343X mutation could be associated with behavioral alterations related to reward and memory functions, through mechanisms that remain to be elucidated. Altogether, we propose the GhsrQ343X mutant rat model as a novel tool, more specific than knockout mouse models in its mechanism-of-action, to explore GHSR signaling across biological functions in vivo, and ultimately help in the design of efficient GHSR-targeting drugs