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Academic literature on the topic 'Couches de mélange'
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Journal articles on the topic "Couches de mélange"
Schoonmaker, Adam, William S. F. Kidd, Stephen E. DeLong, and John F. Bender. "Lawrence Head Volcanics and Dunnage Mélange, Newfoundland Appalachians: Origin by Ordovician Ridge Subduction or in Back-Arc Rift?" Geoscience Canada 41, no. 4 (December 3, 2014): 523. http://dx.doi.org/10.12789/geocanj.2014.41.053.
Full textFortuné, Véronique, Éric Lamballais, and Yves Gervais. "Étude par simulation directe temporelle des effets de la température sur l'émission acoustique des couches de mélange." Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics 328, no. 9 (September 2000): 693–700. http://dx.doi.org/10.1016/s1620-7742(00)01243-5.
Full textSarrabayrouse, G., and J. Capilla. "Homogénéité d'épaisseur et propriétés électriques des couches minces de silice obtenues dans un mélange N2/O2/HCl." Revue de Physique Appliquée 20, no. 2 (1985): 87–91. http://dx.doi.org/10.1051/rphysap:0198500200208700.
Full textAmeur, Mohamed Si, and Jean-Pierre Chollet. "Transition à la turbulence d'une couche de mélange supersonique." Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Chemistry-Astronomy 326, no. 5 (May 1998): 315–22. http://dx.doi.org/10.1016/s1251-8069(98)80199-1.
Full textBogey, Christophe, Christophe Bailly, and Daniel Juvé. "Calcul direct du rayonnement acoustique d'une couche de mélange par macrosimulation." Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Astronomy 327, no. 10 (September 1999): 1029–34. http://dx.doi.org/10.1016/s1287-4620(00)87015-5.
Full textCliment, Éric, and Jacques Magnaudet. "Modifications d'une couche de mélange verticale induites par la présence de bulles." Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Astronomy 326, no. 10 (October 1998): 627–34. http://dx.doi.org/10.1016/s1251-8069(98)89006-4.
Full textBogey, Christophe, Christophe Bailly, and Daniel Juvé. "Calcul du rayonnement acoustique d'une couche de mélange à l'aide des équations d'Euler linéarisées." Comptes Rendus de l'Académie des Sciences - Series IIB - Mechanics-Physics-Astronomy 328, no. 4 (April 2000): 341–47. http://dx.doi.org/10.1016/s1287-4620(00)00130-7.
Full textLaizet, Sylvain, and Eric Lamballais. "Simulation numérique directe de l'influence de la forme aval d'une plaque séparatrice sur une couche de mélange." Comptes Rendus Mécanique 334, no. 7 (July 2006): 454–60. http://dx.doi.org/10.1016/j.crme.2006.06.005.
Full textHarðarson, B., A. M. Halldórsdóttir, Ó. E. Sigurjónsson, R. Landrö, and S. Guðmundsson. "Utilisation en routine de concentrés plaquettaires « double dose » obtenus à partir de mélanges de couches leucoplaquettaires et traités photochimiquement." Transfusion Clinique et Biologique 22, no. 4 (September 2015): 230. http://dx.doi.org/10.1016/j.tracli.2015.06.048.
Full textJoly-Tonetti, N., J. Wibawa, M. Bell, and D. J. Tobin. "Diminution de la persistance de la mélanine dans les couches suprabasales de l’épiderme au cours du vieillissement." Annales de Dermatologie et de Vénéréologie 142, no. 6-7 (June 2015): S288—S289. http://dx.doi.org/10.1016/j.annder.2015.04.037.
Full textDissertations / Theses on the topic "Couches de mélange"
DE, BISSCHOP JEAN ROBERT. "Comportement de la turbulence en couches de mélange supersoniques." Poitiers, 1993. http://www.theses.fr/1993POIT2282.
Full textVallcorba, Maria-Roser. "Ecoulements cisaillés réactifs : simulations numériques de couches de mélange." Grenoble 1, 1992. http://www.theses.fr/1992GRE10052.
Full textAmram, Karen. "Etude numérique des instabilités dans les couches de mélange compressibles." Palaiseau, Ecole polytechnique, 1995. http://www.theses.fr/1995EPXX0017.
Full textNdiaye, Toutou Baila. "Couches de mélange entre une vitesse uniforme et un gradient de vitesse." Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aéronautique, 2009. http://www.theses.fr/2009ESMA0027.
Full textFrom a parametric study by bidimensional direct numerical simulations two mixing layer configurations between a uniform flow and a shear flow have been selected. These two configurations share the same shear flow but have a different uniform flow. The shear flow was obtained with curved gauze. However the theoretical shear parameter predicted by the literature was different from the value obtained by experiments. In order to study these discrepancies, the flow through a gauze has been studied by particle image velocimetry. This allowed the general modelization of the uniform flow through curved wire gauze, leading to linear mean velocity profiles. From a hot-wire anemometry study of the two flow configurations it was observed that one flow behaves like a mixing layer whereas the other flow yields a wake behaviour. The mixing layer indicates an increasing turbulent kinetic energy along its longitudinal development, while the wake exhibits an asymmetry
Quine, Christian. "Etude expérimentale et numérique de couches de mélange turbulentes supersoniques et isobares." Aix-Marseille 2, 1990. http://www.theses.fr/1990AIX22081.
Full textDenis, Sarah. "Contrôle du développement des couches de mélange axisymétriques subsoniques par jets impactant." Poitiers, 2000. http://www.theses.fr/2000POIT2270.
Full textBarre, Stéphane. "Action de la compressibilité sur la structure des couches de mélange turbulentes supersoniques." Toulouse, ENSAE, 1993. http://www.theses.fr/1993ESAE0004.
Full textBellaud, Stéphanie. "Mesures et analyses détaillées des champs turbulents en couches de mélange annulaires supersoniques." Poitiers, 1999. http://www.theses.fr/1999POIT2254.
Full textReinaud, Jean. "Analyse physique par simulations numériques lagrangiennes de couches de mélange à densité variable." Toulouse, INPT, 2000. http://www.theses.fr/2000INPT025H.
Full textLopez-Zazueta, Adriana. "Stabilité secondaire non-modale d’une couche de mélange inhomogène." Thesis, Toulouse, ISAE, 2015. http://www.theses.fr/2015ESAE0003/document.
Full textThe purpose of this thesis is to analyse the development of two-dimensional and three-dimensional secondary instabilities in incompressible variable-density mixing layers, in the limit of infinite Froude number. Under these conditions, mass inhomogeneities alter significantly the rotational dynamics of the flow under the action of the baroclinic torque. A nonmodal stability analysis is implemented to identify the physical mechanisms of transient growth. This analysis allows to take into account the unsteady natureof the flow, which was absent in the quasi-static modal analysis (Fontane, 2005). After establishing of the direct and adjoint linearised Navier-Stokes equations for variable-density flows, they are used in an iterative optimization method to determine the perturbations that maximize their energy. The optimal perturbations are first obtained for a homogeneous time-evolving mixing layer. For times short enough, when the time-evolving mixing layer is almost parallel, optimal perturbations exhibit the largest transient growth. These amplifications arise from the synergy between the well-known Orr and liftup mechanisms. Once the mixing layer rolls up into a Kelvin–Helmholtz billow, the disturbances trigger the three-dimensional elliptical and hyperbolic instabilities. The analysis is then extended to variable-density mixing layers. During the initial development of optimal perturbations, mass inhomogeneities have no influence over the perturbations growth. Once the mixing layer has rolled up, the variable-density effects contribute significantly to the increase of the perturbation energy. In particular, the baroclinic torque enhances the development of perturbations in the light side of the Kelvin–Helmholtz billow. Finally, when the injection time of perturbations is delayed long enough, the baroclinic vorticity generation on the light side of the Kelvin–Helmholtz billow triggers a two-dimensional secondary Kelvin–Helmholtz instability, which has been identified by Reinaud et al. (2000)