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Academic literature on the topic 'Chaleur – Convection naturelle'
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Journal articles on the topic "Chaleur – Convection naturelle"
Boussaid, Mohammed, Ahmed Mezenner, and Mustapha Bouhadef. "Convection naturelle de chaleur et de masse dans une cavité trapézoïdale." International Journal of Thermal Sciences 38, no. 4 (1999): 363–71. http://dx.doi.org/10.1016/s1290-0729(99)80103-3.
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 (2005): 65–91. http://dx.doi.org/10.7202/705344ar.
Full textBennacer, R., L. Y. Sun, Y. Toguyeni, D. Gobin, and C. Benard. "Structure d'écoulement et transfert de chaleur par convection naturelle au voisinage du maximum de densité." International Journal of Heat and Mass Transfer 36, no. 13 (1993): 3329–42. http://dx.doi.org/10.1016/0017-9310(93)90014-w.
Full textNasrallah, S. Ben, and G. Arnaud. "Etude des transferts bidimensionnels de chaleur et de masse lors du séchage par convection naturelle d'une plaque poreuse verticale chauffée par un flux constant." International Journal of Heat and Mass Transfer 32, no. 8 (1989): 1529–39. http://dx.doi.org/10.1016/0017-9310(89)90074-4.
Full textBen Nasrallah, S., T. Amara, and M. A. Du Peuty. "Convection naturelle instationnaire dans un cylindre rempli de grains ouvert à ses extrémités et dont la paroi est chauffée par un flux de chaleur constant: validité de l'hypothèse de l'équilibre thermique local." International Journal of Heat and Mass Transfer 40, no. 5 (1997): 1155–68. http://dx.doi.org/10.1016/0017-9310(96)00114-7.
Full textDissertations / Theses on the topic "Chaleur – Convection naturelle"
LORENZO, THIERRY de. "Transfert de chaleur par convection naturelle en regime variable." Reims, 2000. http://www.theses.fr/2000REIMS016.
Full textMénard, Valérie. "Convection naturelle dans une cavité contenant une source de chaleur." Toulouse, ENSAE, 2005. http://www.theses.fr/2005ESAE0035.
Full textSeveleder, Véronique. "Convection naturelle doublement diffusive dans des fluides stratifiés : application au gaz naturel liquéfié, GNL." Châtenay-Malabry, Ecole centrale de Paris, 1990. http://www.theses.fr/1990ECAP0137.
Full textFoucher, Laurent. "Convection naturelle laminaire dans une cavité contenant une ou plusieurs plaques." Châtenay-Malabry, Ecole centrale de Paris, 1999. http://www.theses.fr/1999ECAP0609.
Full textBade, François. "Simulation numérique de la convection naturelle dans les thermosiphons." Aix-Marseille 1, 1994. http://www.theses.fr/1994AIX11072.
Full textCadiou, Pierre Yves. "Contribution à l'étude numérique des transferts de chaleur par convection naturelle ou par convection mixte dans une cavité annulaire horizontale." Marne-la-Vallée, 1997. http://www.theses.fr/1997MARN0016.
Full textChorin, Paul. "Modification des transferts de chaleur en convection naturelle par perturbation thermique localisée." Thesis, Chasseneuil-du-Poitou, Ecole nationale supérieure de mécanique et d'aérotechnique, 2018. http://www.theses.fr/2018ESMA0021/document.
Full textThis thesis deals with the modifications of heat transfer and fluid flow in natural convection. The configuration chosen is a differentially heated cavity of aspect ratio equal to 4. The modifications are achieved using a small spatial extent disturbance located at the hot wall at a Rayleigh number value close of the critical value corresponding to the transition from steady to unsteady state. Two complementary studies were conducted. A preliminary numerical study was carried out, in which a thermal disturbance was introduced by means of a local change of the imposed temperature at the isothermal wall. It was shown that the flow regime can be changed from a steady state to an unsteady one. In addition, the heat transfers can be significantly modified by an appropriate choice of disturbance parameters (frequency, magnitude and location). An additional study, using an experimental device, was conducted by positioning a cylindrical obstacle on the hotwall. Two types of obstacles were chosen : insulating and conductive. The influence on heat transfers of the length of the obstacle, its vertical location, the Rayleigh number ofthe flow as well as the number of obstacles was analyzed in the vertical mid-depth plane
Mathioulakis, Emmanouil. "Contribution à l'étude des transferts de masse et de chaleur en convection naturelle sur une paroi verticale." Paris 12, 1989. http://www.theses.fr/1989PA120015.
Full textBouallou, Chakib. "Modélisation bidimensionnelle des transferts couples rayonnement - convection naturelle dans les milieux semi-transparents." Lyon, INSA, 1989. http://www.theses.fr/1989ISAL0061.
Full textThis work includes four parts. In the first part, we explain the formulation of relative transfer in a semitransparent media. A comparative study for several calculation methods for the radiative equation is proposed. The P1 approximation in a two-dimensional form is them retained for modelling heat transfer coupled by radiation and convection. In the second one, we analyse the interaction between thermal radiation and natural convection within a two-dimensional porous medium. The radiative model is associated with a finite difference scheme which allows to solve convective equations described by Darcy's law and Boussinesq approximation. The study of dimensionless parameters which govern this interaction provides a better understanding of roles played by each mechanism of transfer. In the third part, the interaction between natural convection and thermal radiation in two-dimensional semi-transparent fluid has been investigated. Before analysing the case of non-grey medium we expose a parametric study for a grey fluid isotropic scattering. The last part deals with a much more difficult coupled problem. We consider the interaction between natural convection and thermal radiation within a cavity partially filled with a porous medium. For the interface, which is permeable and non-opaque, a radiative boundary condition is proposed. The convective equation are treated with combined Navier-Stokes and Brinkman equations. The effect of main parameters has been studied. It is shown that the permeable and non-opaque interface induces a deep modification in both thermal and dynamic fields
Borjini, Mohamed Naceur. "Etude numérique du couplage rayonnement-convection naturelle d'un espace annulaire d'axe horizontal." Perpignan, 1998. http://www.theses.fr/1998PERP0316.
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