Academic literature on the topic 'Flux de chaleur et de CO2'
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Journal articles on the topic "Flux de chaleur et de CO2"
Bougriou, Cherif. "Etude du Récupérateur de Chaleur Croisé à Tubes à Ailette." Journal of Renewable Energies 5, no. 1 (June 30, 2002): 59–74. http://dx.doi.org/10.54966/jreen.v5i1.887.
Full textBougriou, Cherif. "Etude d’un Récupérateur de Chaleur Croisé à Tubes Lisses." Journal of Renewable Energies 2, no. 2 (December 31, 1999): 109–22. http://dx.doi.org/10.54966/jreen.v2i2.934.
Full textAboubacry Mbodji, Oumou, Alassane Diene, Seydou Faye, Youssou Traore, Mamadou Babacar Ndiaye, Issa Diagne, and Gregoire Sissoko. "ETUDE DU TRANSFERT THERMIQUE EN REGIME DE MODULATION DE FREQUENCE A TRAVERS UN PANNEAU A BASE DE FIBRE DE BOIS: INFLUENCE DES PARAMETRES EXTERIEURS." International Journal of Advanced Research 9, no. 10 (October 31, 2021): 805–20. http://dx.doi.org/10.21474/ijar01/13613.
Full textTamene, Youcef, Said Abboudi, and Cherif Bougriou. "Simulation des transferts thermiques transitoires à travers un mur multicouche soumis à des conditions de flux solaire et de convection." Journal of Renewable Energies 12, no. 1 (October 26, 2023): 117–24. http://dx.doi.org/10.54966/jreen.v12i1.125.
Full textNameche, T., and J. L. Vassel. "Bilan thermique sous climat tempéré des lagunes aérées et naturelles." Revue des sciences de l'eau 12, no. 1 (April 12, 2005): 65–91. http://dx.doi.org/10.7202/705344ar.
Full textHanine, Ilyas. "La difficile équation économique de la chaleur nucléaire." Revue Générale Nucléaire, no. 3 (2024): 44–45. http://dx.doi.org/10.1051/rgn/20243044.
Full textYao, Kouassi Paul Antoine Tanoh, Hubert Gallée, Adama Diawara, Komenan Benjamin Kouassi, Fidèle Yoroba, Thierry Pellarin, Kouakou Kouadio, and Yacouba Ouattara. "Sensibilité du schéma de surface SISVAT à la fraction verte de la végétation sur 2 sites d’Afrique de l’Ouest." Climatologie 22 (2024): 3. https://doi.org/10.1051/climat/202422003.
Full textBenmansour, Abdeldjellil, and Mohammad Hamdan. "Simulation du Stockage de l'Energie Thermique dans un Lit Fixe de Sphères Contenant un Matériau à Changement de Phase." Journal of Renewable Energies 4, no. 2 (December 31, 2001): 125–34. http://dx.doi.org/10.54966/jreen.v4i2.1004.
Full textMaarka, Kenza, and Azeddine Soudani. "Etude tridimensionnelle de la convection mixte dans une conduite cylindrique horizontale." Journal of Renewable Energies 22, no. 2 (October 6, 2023): 227–36. http://dx.doi.org/10.54966/jreen.v22i2.740.
Full textOmara, Abdeslam, and Said Abboudi. "Influence des Conditions d’Entrée Variables sur le Transfert de Chaleur non-Stationnaire dans une Conduite Cylindrique." Journal of Renewable Energies 1, no. 2 (December 31, 1998): 109–23. http://dx.doi.org/10.54966/jreen.v1i2.950.
Full textDissertations / Theses on the topic "Flux de chaleur et de CO2"
Klein, Amelie. "Étude multi-paramètrique de l'évolution des systèmes hydrothermaux : apports à la compréhension des systèmes volcaniques en cours de réactivation." Electronic Thesis or Diss., Université Clermont Auvergne (2021-...), 2024. http://theses.bu.uca.fr/nondiff/2024UCFA0125_KLEIN.pdf.
Full textVolcanic hydrothermal activity poses unpredictable hazards like phreatic explosions or flank collapse, as well as pervasive hazards such as the emission of hot, toxic gases from steaming ground and fumaroles. The presence of a hydrothermal system has important implications for interpreting signals from the magmatic system. Therefore, the spatial distribution and temporal evolution of geophysical and geochemical signals at volcanoes with long-lived hydrothermal systems provide crucial information for detecting precursors of eruptive activity.La Soufrière de Guadeloupe volcano is currently undergoing a phase of unrest, which started in 1992 and saw an increase in intensity in 2018. To advance the understanding of the shallow hydrothermal system at La Soufrière, we repeatedly mapped diffuse CO2 degassing, ground temperature and self-potential across the dome summit from 2021 to 2024. This work represents the first mapping of self-potential in over a decade and the first quantification of CO2 degassing over the entire summit. It provides an up-to-date picture of the distribution of subsurface fluid circulation and the associated ground heat and CO2 fluxes. We also outline a numerical approach to improve the quantification of the fumarole fluxes based on a physical plume model and thermal images of the fumarole plumes and use this to calculate heat and mass fluxes from La Soufrière's major fumaroles.Our multi-parameter mappings, repeated self-potential profiles, and comparisonswith previous studies show that hydrothermal fluid circulation in the northeastern summit sector has significantly increased over the last decade. Estimated condensation depths of ascending hydrothermal fluids suggest that this development may be due to a change in the distribution of subsurface permeability, which is likely related to the dome displacement field. The short-term dynamics of hydrothermal fluid circulation are investigated using a two-year self-potential time series. We observe diurnal and semidiurnal variations linked to atmospheric tides. Finally, we analyse the response of the shallow hydrothermal system to precipitation, seismicity and fumarole temperature.This shows that the northeastern summit sector is highly interconnected and highlights the strong structural control of the hydrothermal system dynamics by the main summit fractures.This work provides a picture of the current distribution and spatiotemporal evolution of shallow hydrothermal fluid circulation at La Soufrière de Guadeloupe. This helps us to identify the preferred zones for future monitoring. The datasets generated will help to constrain models from other geophysical methods to infer the internal state of the dome and assess potential hazards related to passive degassing, alteration or fluid pressurisation
Gable, Robert. "Température, gradient et flux de chaleur terrestre : mesures, interprétation /." Orléans : Éd. du Bureau de recherches géologiques et minières, 1986. http://catalogue.bnf.fr/ark:/12148/cb377010343.
Full textGuitari, Imed. "Etude expérimentale et modélisation d'une pompe à chaleur fonctionnant au CO2." Lyon, INSA, 2005. http://theses.insa-lyon.fr/publication/2005ISAL0070/these.pdf.
Full textThis work concerns an experimental study and modelling of an air/water beat pump using carbon dioxide as a working fluid. The experimental study is carried out on an instrumented test setup (pressure, temperature, flow end power measurements) to characterize the operation of this type of installation in static and dynamic mode. The static model was developed an validated. It allows to determine the optimal conditions of operation for various external conditions. Thus, a simplified law governing the optimal high pressure according to the gas cooler outlet temperature is deduced from the calculations. The dynamic model is based on the equations of mass and energy conservation. It takes into account the thermal inertia on the compressor, the exchanger' s walls, the refrigerant (carbon dioxide) and the coolant (water). Comparison between modelling results and those obtained with the test stand gives a good agreement. Thanks to this model, it is possible to record the operating variables versus time and space after changing the input parameters such as sources temperatures, expansion valve opening and compressor rotating speed. In particular, we notice a good representation of starting process with a transition from subcritical to transcritical cycle
Vibhatavata, Phuangphet. "Fabrication de carburant synthétique par valorisation du CO2 et de la chaleur nucléaire." Thesis, Lyon 1, 2012. http://www.theses.fr/2012LYO10208/document.
Full textThis work is in the context of large-scale efforts to enhance greenhouse gas emissionsmitigation. A potential way to recycle CO2 as a carbon feedstock to produce a synthetic fuelby the conversion of CO2 and hydrogen, produced from water electrolysis using nuclear orrenewable energy. This process may be sustainable in some specific context like in Frenchcontext; French electricity is mainly generated by nuclear and renewable energies that havelow carbon footprints. In this work, a synthetic fuel is produced by CO2 hydrogenation intosynthesis gas via the Reverse Water-Gas Shift (RWGS) reaction, then synthesis gas isconverted into a synthetic fuel. This research project consists of two main parts:The first part focuses on the development of a selective and stable catalyst for the RWGSreaction at moderate temperature (723-773 K). We have applied the micro-kinetic approach ofthe RWGS reaction and its side reactions in order to determine a multi-metallic catalyst,which has shown to perform better selectivity and stability than a conventional, commercialcatalyst under the optimal operating conditions of the RWGS reaction. In the second part, weconducted the simulations of a large-scale dimethyl ether (DME) production process by theconversion of CO2 from industrial flue gases in the French context. The simulation of the CO2to DME process showed the process energy efficiency of 52% and the emissions reductionpotential of 88% of total CO2 emissions
Ringenbach, Nicolas. "Bilan radiatif et flux de chaleur en climatologie urbaine : Mesures,modélisation et validation sur Strasbourg." Université Louis Pasteur (Strasbourg) (1971-2008), 2004. https://publication-theses.unistra.fr/public/theses_doctorat/2004/RINGENBACH_Nicolas_2004.pdf.
Full textToudji, Sid-Ali Amine. "Pervaporation de composés purs : approche expérimentale du couplage entre transfert de matière et transfert de chaleur." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0100.
Full textThe aim of this work is to study the pervaporation process and specifically to understand the mass and heat transport mechanisms in a dense polymeric membrane. A better understanding of these mechanisms would make it possible to improve the limiting parameters for the development of this process, such as the low mass fluxes as well as the origin and the quantity of heat required for transport through the membrane. In order to answer these questions, we have developed an experimental setup that allows simultaneous measurement of mass flux and heat flux density. The dead-end permeation of the setup developed gives access to the temperature profile of the liquid feed. These temperature data make possible the estimation of the heat flux densities engaged during the pervaporation experiments by means of an inverse computation coupled with a STAR CCM + simulation. The mass flux is measured by a new method in addition to the gravimetric method used as a reference. The new method uses a pressure sensor located in the feed tank to continuously measure the mass flux with 1Hz raw acquisition frequency synchronized with the temperature measurement. In order to simplify the experimental constraints, we applied only permeation of pure liquids. The correlation of the two fluxes (mass and heat density) measured led us to observe that the amount of heat taken to the feed side to pervaporate a unit mass of pure liquid is less than the amount of heat required to vaporize the same liquid. It represents 50% of it in the case of water and only 25% in the case of the ethanol
Goret, Marine. "Etude des interactions entre le climat urbain et le CO2 : modélisation des flux de CO2 et application à l'échelle d'une ville." Thesis, Toulouse, INPT, 2019. http://www.theses.fr/2019INPT0119.
Full textClimate and CO2 are closely tied. The link between them is so well established that the objectives for global warming mitigation are expressed in terms of the maximum amount of CO2 equivalent that can be emitted. The amount of CO2 present in the atmosphere at a given time is the result of complex exchanges and equilibriums between the atmosphere and the earth's surface. The latter is composed not only of oceans, vegetation and natural soils, but also cities. Exchanges between the atmosphere and urban surfaces come mainly from four contributors: building emissions, road traffic, human respiration and urban vegetation. Two of these contributors depend on climate: buildings and vegetation. Buildings emissions, at least at high and medium latitudes, are strongly related to space heating, and therefore fluctuate with the outside temperature. As for the vegetation, its growth and open-up speed depends on the weather and climate conditions and more particularly on temperature, precipitation and solar radiation. The CO2 emitted by the city is then transported through the atmosphere by the local atmospheric circulation which is the result of the synoptic situation modified by the city's influence. Therefore there are strong interactions between climate and CO2 at the city scale: the city's carbon footprint depends on the local climate, and the transport of CO2 through the atmosphere is influenced by the atmospheric circulation induced by the city. The aim of this thesis is to study these interactions. That's why, the modeling of CO2 exchanges between urban surfaces and the atmosphere has been added to the urban micro-climate model TEB. This allows to verify that the physical processes that link CO2 emissions/uptakes in the city and the urban climate are well identified and understood. The model is evaluated on two case studies each of which specifically assessed one of the contributors to city/atmosphere CO2 exchanges that is weather-sensitive: the buildings on the Toulouse site (France), and the vegetation on the Kumpula site (Finland). These two sites demonstrate the model's ability to reproduce CO2 exchanges between urban surfaces and the atmosphere as well as their daily and seasonal cycles. The Toulouse site underlines the importance of a detailed knowledge of the inhabitants' energy behaviour in order to simulate the CO2 emissions of buildings. Kumpula site demonstrates the ability of the ISBA model, designed to describe the interactions between non-urban vegetation and the atmosphere, to describe the CO2 exchanges between urban vegetation and the atmosphere. The model, thus validated, is used to carry our simulations of CO2 emissions from buildings on the scale of the entire urban agglomeration of Toulouse. These simulations once again highlighted the necessity of a good knowledge of the inhabitant's energy behaviors: on our case study (four days in winter), the 2°C reduction of the nigth-time space heating setpoint temperature reduces CO2 emissions by 33%. During these simulations, the transport of CO2 emitted by the city through the atmosphere is also monitored. This shows that, despite a calm wind situation, the CO2 plume created by the city dissipates rapidly (less than a day), limiting the increase in CO2 concentration over the city. Simulations on other cities are neeeded to determine if this result can be generalized. During this thesis, we studied climate/CO2 interactions at the city scale. In the future, it would be interesting to carry out simulations in future climate or in coupled mode with climate models in order to study the feedback between local and global climate/CO2 links
Cheng, Li Zhen. "Interprétation des données de flux de chaleur et de gravité dans le bouclier canadien." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2000. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape4/PQDD_0020/NQ49058.pdf.
Full textCheng, Li Zhen. "Interprétation des données de flux de chaleur et de gravité dans le Bouclier Canadien /." Thèse, Montréal : Chicoutimi : Université du Québec à Montréal ;. Université du Québec à Chicoutimi, 1999. http://theses.uqac.ca.
Full textDelarochelambert, Thierry. "Etude expérimentale et théorique des transferts thermiques couples en convection naturelle à travers une double paroi verticale à haute densité de flux de chaleur." Mulhouse, 1997. http://www.theses.fr/1997MULH0506.
Full textBooks on the topic "Flux de chaleur et de CO2"
Gable, Robert. Température, gradient et flux de chaleur terrestre: Mesures, interprétation. Orléans: Editions du Bureau de recherches géologiques et minières, Service géologique national, 1986.
Find full textBook chapters on the topic "Flux de chaleur et de CO2"
LABROSSE, Stéphane. "Flux de chaleur et refroidissement séculaire du manteau." In Structure et dynamique de l’intérieur de la Terre 1, 157–88. ISTE Group, 2024. http://dx.doi.org/10.51926/iste.9172.ch5.
Full textRingenbach, Nicolas. "Bilan radiatif et flux de chaleur en climatologie urbaine : mesures et modélisation. Exemple : Strasbourg." In Quatre ans de recherche urbaine 2001-2004. Volume 2, 269–73. Presses universitaires François-Rabelais, 2006. http://dx.doi.org/10.4000/books.pufr.537.
Full textCREVOISIER, Cyril. "Gaz à effet de serre anthropiques : CO2 et CH4." In Satellites pour les sciences de l’atmosphère 2, 245–68. ISTE Group, 2025. https://doi.org/10.51926/iste.9141.ch13.
Full textBerner, Robert A. "Atmospheric Carbon Dioxide over Phanerozoic Time." In The Phanerozoic Carbon Cycle. Oxford University Press, 2004. http://dx.doi.org/10.1093/oso/9780195173338.003.0007.
Full textGattuso, Jean-Pierre, and Lina Hansson. "Acidification: Background and History." In Ocean Acidification. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199591091.003.0006.
Full textGehlen, Marion, and Nicolas Gruber. "Biogeochemical Consequences of Ocean Acidification and Feedbacks to the Earth System." In Ocean Acidification. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199591091.003.0017.
Full textGutschick, Vincent P., and Keirith A. Snyder. "Water and Energy Balances within the Jornada Basin." In Structure and Function of a Chihuahuan Desert Ecosystem. Oxford University Press, 2006. http://dx.doi.org/10.1093/oso/9780195117769.003.0012.
Full textManescau, Brady, Khaled Chetehouna, Quentin Serra, Aijuan Wang, and Eric Florentin. "Numerical Study on the Outdoor Wind Effects on Movement Smoke along a Corridor." In Fire Safety and Management Awareness. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.92978.
Full textConference papers on the topic "Flux de chaleur et de CO2"
Garnier, Bertrand. "Mesure de température et de flux de chaleur à base de couches minces ou épaisses: atouts, fabrication et applications." In 17th International Congress of Metrology, edited by Bernard Larquier. Les Ulis, France: EDP Sciences, 2015. http://dx.doi.org/10.1051/metrology/20150001005.
Full textReports on the topic "Flux de chaleur et de CO2"
Guidati, Gianfranco, and Domenico Giardini. Synthèse conjointe «Géothermie» du PNR «Energie». Swiss National Science Foundation (SNSF), February 2020. http://dx.doi.org/10.46446/publication_pnr70_pnr71.2020.4.fr.
Full textChen, Z., S. E. Grasby, W. Yuan, M. Colpron, and X. Liu. Methodology study of geothermal resource evaluation using remote-sensing and ground-surface temperature data, Burwash Landing, Yukon – status and preliminary results. Natural Resources Canada/CMSS/Information Management, 2024. http://dx.doi.org/10.4095/p15d0hqc2g.
Full textFourrier, Marine. Integration of in situ and satellite multi-platform data (estimation of carbon flux for trop. Atlantic). EuroSea, 2023. http://dx.doi.org/10.3289/eurosea_d7.6.
Full textMelanie, Haupt, and Hellweg Stefanie. Synthèse du projet conjoint du PNR 70 «Gestion des déchets pour soutenir la transition énergétique (wastEturn)». Swiss National Science Foundation (SNSF), January 2020. http://dx.doi.org/10.46446/publication_pnr70_pnr71.2020.2.fr.
Full textTanny, Josef, Gabriel Katul, Shabtai Cohen, and Meir Teitel. Application of Turbulent Transport Techniques for Quantifying Whole Canopy Evapotranspiration in Large Agricultural Structures: Measurement and Theory. United States Department of Agriculture, January 2011. http://dx.doi.org/10.32747/2011.7592121.bard.
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