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Literatura académica sobre el tema "Étude expérimentale à échelle réduite"
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Artículos de revistas sobre el tema "Étude expérimentale à échelle réduite"
Foret, Gilles, Xiemena Oviedo, Karam Sab y Pierre-Etienne Gautier. "Vibration du ballast ferroviaire. Une étude expérimentale à échelle réduite". Revue française de génie civil 7, n.º 6 (28 de junio de 2003): 777–95. http://dx.doi.org/10.3166/rfgc.7.777-795.
Texto completoDeslauriers, Coralie, Thaliane Côté-Cazes, Audrey Etcheverry y Michel-Pierre Coll. "Effet de la stimulation visuelle rythmique sur la perception de la douleur". Psycause : revue scientifique étudiante de l'École de psychologie de l'Université Laval 13, n.º 2 (29 de marzo de 2024): 31–33. http://dx.doi.org/10.51656/j6554j90.
Texto completoMontuelle, B. y B. Volati. "Utilisation des activités exoenzymatiques microbiennes dans l'étude d'écosystèmes aquatiques". Revue des sciences de l'eau 6, n.º 3 (12 de abril de 2005): 251–68. http://dx.doi.org/10.7202/705175ar.
Texto completoKhadraoui, Mohamed Amine y Leila Sriti. "Etude expérimentale du comportement thermique d’une façade ventilée dans un climat chaud et aride". Journal of Renewable Energies 20, n.º 4 (31 de diciembre de 2017): 626–34. http://dx.doi.org/10.54966/jreen.v20i4.655.
Texto completoJaber, Jana, Marianne Conin, Olivier Deck, Olivier Godard y Samuel Kenzari. "Essai préliminaire de l’application de l’impression 3D à la modélisation physique des massifs rocheux". Revue Française de Géotechnique, n.º 168 (2021): 1. http://dx.doi.org/10.1051/geotech/2021011.
Texto completoOlmedo, Ignacio, Marie-Aurélie Chanut, Cyril Douthe, Mathieu Verdet, Clément Galandrin, Loic Dugelas y David Bertrand. "Étude expérimentale multi-échelle sur les écrans pare-blocs : comportement des ouvrages hors cadre ETAG27". Revue Française de Géotechnique, n.º 163 (2020): 8. http://dx.doi.org/10.1051/geotech/2020018.
Texto completoOrpana, Heather M., Justin J. Lang y Kim Yurkowski. "Validation d’une version réduite de l’Échelle de provisions sociales au moyen de données d’enquêtes nationales canadiennes". Promotion de la santé et prévention des maladies chroniques au Canada 39, n.º 12 (diciembre de 2019): 352–62. http://dx.doi.org/10.24095/hpcdp.39.12.02f.
Texto completoTouré, H. M. "Evaluation de l'impact de l'atteinte des cibles de couverture des indicateurs des plans en vigueur sur la sous nutrition et la mortalité des enfants de moins de 5 ans au Mali". Mali Santé Publique 10, n.º 1 (24 de julio de 2020): 7–18. http://dx.doi.org/10.53318/msp.v10i1.1656.
Texto completoBraconnier, A., M. P. Bouvard y R. Jouvent. "L'humeur et le ralentissement chez l'adolescent déprimé: Étude comparative avec une population de déprimés adultes". Psychiatry and Psychobiology 1, n.º 3 (1986): 214–19. http://dx.doi.org/10.1017/s0767399x00000067.
Texto completoDurmaz, Hüsnüye y Medat Mutlu. "An Investigation of the Effectiveness of 5th Grade Guided Inquiry-Based Activities in Terms of Skills and Perception". Alberta Journal of Educational Research 69, n.º 3 (25 de septiembre de 2023): 406–29. http://dx.doi.org/10.55016/ojs/ajer.v69i3.76256.
Texto completoTesis sobre el tema "Étude expérimentale à échelle réduite"
Pineault, Nathalie. "Effet des types de vitrages sur la qualité de l'éclairage naturel : Étude expérimentale à l'aide d'une maquette à échelle réduite d'une salle de séjour". Thesis, Université Laval, 2009. http://www.theses.ulaval.ca/2009/26542/26542.pdf.
Texto completoThe use of tinted and coated glazing is one of the strategies that can improve energy efficiency of residential buildings. However, these glazing types modify the quantity and quality of daylight in the building and these modifications affect the visual perception of the interior and view out. This effect is probably more important to consider in spaces dedicated to contemplation, such as a residential living room, because more attention is allocated to the room’s ambience. However, most studies in this area have been conducted in a work environment and no studies have been conducted in a residential environment. The main objective of this research was to study the effect of glazing type on daylight quality in residential spaces. The experience was conducted using a scale model of a typical living room where the glazing type was interchangeable. Seven glazing samples provided by local manufacturers were tested. The participants looked inside the model and evaluated daylighting qualities according to each glazing type. Furthermore, the transmitted light colour was studied and analysed by a digital photo analysis. The main results confirmed most of the work hypotheses and corroborated some results of previous research. Among these results, it was found that the glazing type influences the perception of light level, naturalness, beauty and pleasantness and precision. Also, the correlation between visual transmittance and the qualitative factors confirms the hypothesis that glazing types of a higher visual transmittance produce more positive ratings regarding the perception of naturalness, beauty and pleasantness and precision. Furthermore, results suggest that for a similar transmittance (82 and 83%), participants preferred an iron-free double pane glazing to a standard double pane glazing, which is probably due to the spectral neutrality of the iron-free glazing. Finally, this research indicates that glazing types with a strong green shift are generally disliked.
Pineault, Nathalie. "Effets des types de vitrage sur la qualité de l'éclairage naturel : étude expérimentale à l'aide d'une maquette à échelle réduite d'une salle de séjour". Master's thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/21093.
Texto completoThe use of tinted and coated glazing is one of the strategies that can improve energy efficiency of residential buildings. However, these glazing types modify the quantity and quality of daylight in the building and these modifications affect the visual perception of the interior and view out. This effect is probably more important to consider in spaces dedicated to contemplation, such as a residential living room, because more attention is allocated to the room’s ambience. However, most studies in this area have been conducted in a work environment and no studies have been conducted in a residential environment. The main objective of this research was to study the effect of glazing type on daylight quality in residential spaces. The experience was conducted using a scale model of a typical living room where the glazing type was interchangeable. Seven glazing samples provided by local manufacturers were tested. The participants looked inside the model and evaluated daylighting qualities according to each glazing type. Furthermore, the transmitted light colour was studied and analysed by a digital photo analysis. The main results confirmed most of the work hypotheses and corroborated some results of previous research. Among these results, it was found that the glazing type influences the perception of light level, naturalness, beauty and pleasantness and precision. Also, the correlation between visual transmittance and the qualitative factors confirms the hypothesis that glazing types of a higher visual transmittance produce more positive ratings regarding the perception of naturalness, beauty and pleasantness and precision. Furthermore, results suggest that for a similar transmittance (82 and 83%), participants preferred an iron-free double pane glazing to a standard double pane glazing, which is probably due to the spectral neutrality of the iron-free glazing. Finally, this research indicates that glazing types with a strong green shift are generally disliked.
Abdulrahman, Shehu. "Experimental investigations on fire behaviour and fire suppression in a reduced-scale room of the Castle of Chambord". Electronic Thesis or Diss., Bourges, INSA Centre Val de Loire, 2023. http://www.theses.fr/2023ISAB0007.
Texto completoThe current state of fire protection by sprinkler systems is inadequate for the protection of cultural heritage building and monuments. Although different types of automatic sprinkler fire suppression systems exist, their disadvantages (vulnerability to corrosion and frost, risk of water-leaks, false activations…) can cause irremediable damage to the historical buildings and the valuable artifacts and pieces of art they contain. Hence, automatic fire suppression systems are rarely installed in cultural heritage buildings, resulting in numerous monuments being partly or completely destroyed by fire, such as the Notre-Dame Cathedral in Paris, France, following the fire which occurred on April 15, 2019. To be able to better protection our cultural heritage, there is hence a pressing need to obtain more knowledge regarding fire and fire suppression in geometries specific to these buildings. For this purpose, a 1/8th reduced-scale compartment was built in this research work based on 3D scans of a room of the Castle of Chambord, Loire Valley, France. The latter was instrumented with the aim of studying, on one hand, the behaviour of the fire source, and, on another hand, the interaction of the fire with different fire suppression systems. Tests of n-heptane pool fires were first carried out for different fire powers, controlled by fuel surface areas using circular steel pans of 8 cm, 16 cm and 24 cm diameters pans. The initial heptane fuel mass was varied between 10 grams, 30 grams and 50 grams corresponding to fuel depths of 0.007 m, 0.0016 m and 0.025 m respectively. Heat release rate (HRR) was varied between 4 kW and 30 kW and ventilation conditions, ranging from 0.6 air change per hour (ACPH), to 1.4ACPH, 2.4ACPH, 3.3ACPH and 3.8ACPH. Through series of experiments, the effect of ventilation on fire dynamics on a compartment fire addressed with physicochemical parameters, such as flame extension, flame oscillation, temperature distribution and gas analysis. Then, three kind of sprinkler systems were considered, with varying initial pressure in the pipes. They consisted in wet pipe, dry pipe, and an innovative vacuum sprinkler system, whose pressure is inferior to the atmospheric pressure at idle state, and which has potential of solving the technological problems of water leaks, freezing and corrosion. The latter was used to study the interaction of the pool fire with a sprinkler water spray for the different sprinkler initial pressures, fire conditions, and ventilation rates. Results were obtained in terms of water delivery time, compartment gas temperature, cooling rate, heat flux and concentrations of gaseous species. The obtained results allowed to provide conclusions regarding the relative behaviour of the different systems on the fire suppression phenomena, with promising results for the vacuum sprinkler system. The study contributed to increase the knowledge on the phenomena of fire suppression in cultural heritage geometry, and a new database of experimental data has been generated. The latter will be extended forward and improved on the basis of the developed test bench, with the aim of providing future recommendations related to fire safety of cultural heritage buildings
Courbois, Adrien. "Étude expérimentale du comportement dynamique d'une éolienne offshore flottante soumise à l'action conjuguée de la houle et du vent". Phd thesis, Ecole centrale de nantes - ECN, 2013. http://tel.archives-ouvertes.fr/tel-00840511.
Texto completoMerino, Pierrick. "Reproduction expérimentale du contact roue-rail à échelle réduite : Voies de formation des sources de défauts". Thesis, Lyon, 2019. http://www.theses.fr/2019LYSEI101.
Texto completoThe safety issue is still the main concern of railway network due to the development of railway transportation and the increase of the amount of passengers. The understanding of the origin of the rolling contact fatigue (RCF) defect, is one key to safety requirements. The White Etching Layer associated to the initiation of the squat defect is hardly recreated. The use of laboratory test bench enable the replication of the wheel-rail contact. Nevertheless, only a fraction of the characteristic parameters is taken into account and compromises are necessary. The test bench “Triboring” built at LaMCoS, fulfills a gap in the existing apparatus. The “roller on circular rail” design was chosen to fit the tribological behavior of wheel-rail contact, and replicate RCF defects. The production of a test bench required to relate and differentiate the measured data to the phenomena corresponding to the operating from the phenomena corresponding to wheel-rail contact. The bench was characterized with dynamic and cinematic analysis. The design of the sample was improved. The tribological behavior of the bench was optimized with the preparation of the initial surface of the samples and the production of a tribological “fuse”. This layer delays the speed accommodation by wear and benefit the shear of the first bodies and the formation a Tribological Transformation of Surface (TTS), as the White Etching Layer. The two different fuse layer created (Run-in and oxidized), induced a significant wear reduction. The tribological and metallurgical analysis of the surfaces and cuts of the sample, enabled to the explanation of the evolution of the microstructure of the rail close to the surface, submitted to various mechanical solicitations. The transformation of this microstructure led to the formation of white etching layer mechanically formed
Lecuyer-Le, Bris Romain. "Modélisation numérique et expérimentale de la captation d'énergie houlomotrice : application aux essais à échelle réduite en bassin". Thesis, Brest, 2022. http://theses-scd.univ-brest.fr/2022/These-2022-SML-Mecanique_genie_mecanique_mecanique_des_fluides_et_energetique-LECUYER_LE_BRIS_Romain.pdf.
Texto completoThe behaviour of wave energy converters (WEC) is non-linear and complex to model accurately, especially due to the fluid–structure interaction and the randomness of the wave. The ability of a WEC to recover some of the wave energy depends on the control strategy used and the reliability of the behaviour model. Numerical computation time must remain reasonable in order to allow real–time control. In this context, perfect fluid calculations are used to model the fluid-structure interaction at first order. This diffraction–radiation approach highlights the delay functions of the system, a detailed analysis of which has been carried out in this work and illustrated on a reference case. This thesis proposes to establish a method applicable to the modelling of any type of multi-body WEC. The formulation of the hydrodynamic forces resulting from the assumptions of perfect fluid is then supplemented with semi–empirical terms in order to take into account non–linear effects. The viscous forces represented are particularly influential in the vicinity of the motion resonances. This method also allows the integration of experimental data into the numerical model. Experimental work was therefore carried out in order to understand, quantify and integrate the effects observed experimentally for an anchored body into the numerical model. Finally, elements in favor of an experimental campaign for a two-body system are presented
Chaboussant, Grégory. "Étude expérimentale d'une échelle de spin-1/2 antiferromagnétique : Cu2(C5H12N2)2Cl4". Université Joseph Fourier (Grenoble ; 1971-2015), 1997. http://www.theses.fr/1997GRE10007.
Texto completoBrusturean, Gabriela Alina. "Dépollution des sols par venting et extraction sous pression réduite : étude expérimentale, modélisation et simulation numérique". Lyon, INSA, 2004. http://www.theses.fr/2004ISAL0075.
Texto completoThe work of thesis relates to experimental study, modelling and numerical simulation of depollution by venting and SVE of the soils polluted by light hydrocarbons. The first part contains a bibliographical study of pollutants interaction with the soil, of industrial applications of these two techniques and of the modelling techniques used for the follow-up of depollution. The second part is made up of the presentation of the equipments and procedures used for the follow-up of depollution on laboratory pilots. The third part presents the results obtained on soils polluted by components of automobile fuel alone or in mixture with the variation of the operating conditions (gas flow, extraction pressure, ageing of pollution). The agreement between the experimental and modelling (quantified by the factors of agreement) is good, which will allow the use of the developed techniques of calculation for an optimisation of the depollution conditions
Schipman, Anne-Julie. "Variabilité à petite échelle du fonctionnement hydrodynamique d'un versant prairial : étude expérimentale et modélisation". Grenoble INPG, 2002. http://www.theses.fr/2002INPG0106.
Texto completoLaguë, Frédéric. "Étude expérimentale de l'effet de la turbulence de grande échelle sur les vibrations éoliennes d'un long cylindre flexible". Mémoire, Université de Sherbrooke, 2002. http://savoirs.usherbrooke.ca/handle/11143/1191.
Texto completoInformes sobre el tema "Étude expérimentale à échelle réduite"
Dufour, Quentin, David Pontille y Didier Torny. Contracter à l’heure de la publication en accès ouvert. Une analyse systématique des accords transformants. Ministère de l'enseignement supérieur et de la recherche, abril de 2021. http://dx.doi.org/10.52949/2.
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