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Auswahl der wissenschaftlichen Literatur zum Thema „Diffusion de chaleur“
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Zeitschriftenartikel zum Thema "Diffusion de chaleur"
Aboubacry Mbodji, Oumou, Alassane Diene, Seydou Faye, Youssou Traore, Mamadou Babacar Ndiaye, Issa Diagne und 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, Nr. 10 (31.10.2021): 805–20. http://dx.doi.org/10.21474/ijar01/13613.
Der volle Inhalt der QuelleGillet, Yannick, und Christian Bissieux. „Diffusion harmonique de la chaleur appliquée au contrôle non destructif par méthodes photothermiques“. International Journal of Thermal Sciences 38, Nr. 6 (Juni 1999): 530–40. http://dx.doi.org/10.1016/s1290-0729(99)80026-x.
Der volle Inhalt der QuelleAkrour, Dalila, Rachid Bennacer und Mustapha Betrouni. „Effet d'Hystérésis en Convection Thermosolutal avec des Gradients Croisés : Etang de Stockage“. Journal of Renewable Energies 3, Nr. 1 (30.06.2000): 39–47. http://dx.doi.org/10.54966/jreen.v3i1.909.
Der volle Inhalt der QuelleBattaglia, J. L., L. Puigsegur und A. Kusiak. „Représentation non entière du transfert de chaleur par diffusion. Utilité pour la caractérisation et le contrôle non destructif thermique“. International Journal of Thermal Sciences 43, Nr. 1 (Januar 2004): 69–85. http://dx.doi.org/10.1016/s1290-0729(03)00104-2.
Der volle Inhalt der QuelleJolly, Patricia, und Nathalie Mazet. „Optimisation de la diffusion du gaz dans des matériaux réactifs, siège de transferts de chaleur, de masse et d’une réaction chimique“. International Journal of Heat and Mass Transfer 42, Nr. 2 (Januar 1999): 303–21. http://dx.doi.org/10.1016/s0017-9310(98)00109-4.
Der volle Inhalt der QuelleOyedele, A. O., und E. O. Akinkunmi. „Comparative evaluation of hydrophilic bases for improved delivery of Benzoic acid and Salicylic acid in antimicrobial ointment“. African Journal of Clinical and Experimental Microbiology 22, Nr. 1 (26.01.2021): 74–87. http://dx.doi.org/10.4314/ajcem.v22i1.10.
Der volle Inhalt der QuelleRamos, Fernando M., und AndrÉ Giovannini. „Résolution d'un problème inverse multidimensionnel de diffusion de la chaleur par la méthode deséléments analytiques et par le principe de l'entropie maximale“. International Journal of Heat and Mass Transfer 38, Nr. 1 (Januar 1995): 101–11. http://dx.doi.org/10.1016/0017-9310(94)00119-g.
Der volle Inhalt der QuelleMeyer, Bruno. „Locqueneux, Robert: Préhistoire & histoire de la thermodynamique classique (une histoire de la chaleur). Société Française d'Histoire des Sciences et des Techniques, diffusion: Paris, Blanchard, 1996. 332 p. 111. (Cahiers d'histoire & de philosophie des sciences, 45/1996). FFr. 100.-. ISSN 0221-3664.“ Gesnerus 57, Nr. 1-2 (27.11.2000): 129–30. http://dx.doi.org/10.1163/22977953-0570102040.
Der volle Inhalt der QuelleKLESSE, ROCHUS, und MARCUS METZLER. „MODELING DISORDERED QUANTUM SYSTEMS WITH DYNAMICAL NETWORKS“. International Journal of Modern Physics C 10, Nr. 04 (Juni 1999): 577–606. http://dx.doi.org/10.1142/s0129183199000449.
Der volle Inhalt der QuelleDjabangou, Paguindame, Binamlé Bagna, Némè¨ Hélène Bali, Abalo Essosimna Kulo und Wéré Pitala. „Evaluation de l’oestrus induit au PRID associé à l’Enzaprost et de la gestation après insémination des femelles bovines élevées en stations au Togo“. International Journal of Biological and Chemical Sciences 17, Nr. 6 (18.01.2024): 2396–404. http://dx.doi.org/10.4314/ijbcs.v17i6.20.
Der volle Inhalt der QuelleDissertationen zum Thema "Diffusion de chaleur"
Vandembroucq, Damien. „Conduction et diffusion au voisinage d'interfaces rugueuses“. Châtenay-Malabry, Ecole centrale de Paris, 1996. http://www.theses.fr/1996ECAP0518.
Der volle Inhalt der QuelleBernardin, Cédric. „Diffusion et fluctuations dans des systèmes conservatifs“. Paris 9, 2004. https://portail.bu.dauphine.fr/fileviewer/index.php?doc=2004PA090011.
Der volle Inhalt der QuelleBrunier, Elisabeth. „Les Observables de l'interaction de diffusion/convection“. Grenoble 2 : ANRT, 1986. http://catalogue.bnf.fr/ark:/12148/cb37596467w.
Der volle Inhalt der QuelleRuperti, Junior Nerbe José. „Etude du problème inverse de conduction-rayonnement de la chaleur“. Lyon, INSA, 1996. http://www.theses.fr/1996ISAL0041.
Der volle Inhalt der QuelleThe purpose of this work is to study the feasibility for the estimation of the incident heat flux and the internal temperature profiles from transient temperature measurements within a semitransparent medium. A method was suggested to solve this inverse problem: a space-marching technique which considers the radiative source terms calculated from the Equation of Radiative Transfer (ERT). The originality of such work consists in performing the inversion from the Energy Equation contrary to the Inverse Radiation Problem, where the inversion is done from the ERT. The case of a one-dimensional plane parallel nonscattering semitransparent wall with variable thermophysical properties, placed between two opaque walls, is studied. However, the inversion of the Energy Equation requires the direct solution of the ERT, which is solved by two different ways: for the case of constant properties the formal solution was used, and for the general cases we have considered a band model solved by the discrete ordinates method. The finite difference method has been chosen to solve the Energy Equation. The feasibility of such approach was shown by numerical simulations using exact and noisy data corresponding to several test cases available in the literature. This work shows that the contribution of the radiative part of the heat transfer complicates the numerical solution but does not introduce any particular instability on the estimates
Bénisti, Didier. „Validité de l'équation de diffusion en dynamique hamiltonienne“. Aix-Marseille 1, 1995. http://www.theses.fr/1995AIX11038.
Der volle Inhalt der QuelleKhalil, Hassan. „Diffusion de la chaleur dans un substrat de verre recouvert d'un film mince d'4he et d'3he“. Nice, 1994. http://www.theses.fr/1994NICE4733.
Der volle Inhalt der QuelleWehrli, Claudine. „Contribution à l’étude numérique de la convection naturelle thermosolutale en cavité : Application à la diffusion de polluants dans les pièces d'habitation“. Lyon, INSA, 1992. http://www.theses.fr/1992ISAL0101.
Der volle Inhalt der QuelleA contribution ta numerical analysis of convection within a dwelling cell and more specifically ta turbulent transport of scalar quantities such as temperature and pollutant concentration is here presented. In the first part of our work, we describe the principles leading to the thermosolutal convection equations under the laminar regime, and the numerical tool based on the finite volume method used to solve these equations. The influence of characteristic parameters such as the solutal buoyancy term and the ratio of thermal and solutal diffusion coefficients a fluid motion is then investigated, for case of thermosolutal convection within a square cavity submitted ta horizontal temerature and concentration gradients. A turbulence model is theo developed, for prediction of turbulent air flow movement within cavities. This model is tested within the frame of the European EUROTHERM-ERCOFTAC workshop, and three ƙ-Ɛ turbulence models without wall functions are compared for the thermally driven cavity configuration. In the last part of this study, mixed convection within real scale rooms, due to combined temperature and pollutant concentration (benzene or methanol emitted by latex paint or a carpet in a new office) gradients is numerically predicted, with one of the three ƙ-Ɛ models selected
Song, Shaodong. „Etude du transport de la chaleur et des particules dans les tokamaks Tore Supra et HL-2A“. Thesis, Aix-Marseille 1, 2011. http://www.theses.fr/2011AIX10142/document.
Der volle Inhalt der QuelleHeat and particle transport is one of the fundamental subjects of research in the physics of hot plasmas confined by magnetic fields, a class of physical systems that are studied in the framework of research on controlled thermonuclear fusion. These transport phenomena are mainly related to electromagnetic turbulence and are therefore extremely difficult to model at a first-principle level. Specific experiments in this area, on plasma devices such as tokamaks or stellarators, are widely used to improve understanding of these phenomena. This thesis reports on experimental studies performed on two large tokamaks : Tore Supra (based at CEA/Cadarache, France) and HL-2A (based at the South-Western Institute of Physics, Chengdu, China). The technique used consists in modulated injection of wave power to perturb the electron temperature and/or of Supersonic Molecular Beams to perturb the plasma density. Temperature is then measured by Electron Cyclotron Emission and density by Reflectometry, and Fourier analysis is used to determine the transport properties. Evidence has been found of inward heat convection (a phenomenon whose existence is still controversial) as well as of peculiar effects due to the non-diagonal terms of the transport matrix. Comparison with transport models has been carried out
Bouquet, Nicolas. „Etude de la formation des joints soudés par diffusion : application aux échangeurs de chaleur compacts“. Thesis, Dijon, 2014. http://www.theses.fr/2014DIJOS050/document.
Der volle Inhalt der QuelleCompact diffusion bonded heat exchangers are an attractive option in many fields (nuclear, (petro-)chemistry, solar…) due to their performance. This type of concept is especially intended for manufacturing the energy conversion system of the ASTRID reactor. During diffusion bonding by HIP, the problem is twofold: the channel deformation and microstructure evolution must be controlled, while at the same time, highly resistant interfaces are desired. This thesis is focused on the understanding and the control of the bonded components microstructure prepared by HIP in order to define « process » criteria to achieve welds in agreement with specifications of components containing fluidic channels: interfaces unaffected by the process and small grain size. After a detailed characterization of their surface and microstructural evolution during heating, the behavior of AISI 316L austenitic steel sheets has been examined in a parametric study by varying the parameters related to process (diffusion bonding temperature and pressure) and welding material (thickness, surface finish…). The results show that the interface formation is driven by conventional grain growth mechanisms with an interfacial pining more or less marked depending on surface characteristics. The mechanical properties of assemblies have been tested to determine the influence of defects. Though pores are the most critical default, the influence of other heterogeneities has also been highlighted. The different steps of bond formation have been identified by performing interrupted diffusion bonding test. The interest of modeling approach by Level-Set method to simulate microstructure evolution has been finally discussed
Meri, Hinde. „Rayonnement d'ultrasons générés par laser dans les matériaux anisotropes : effets de la pénétration optique, de la diffusion de la chaleur et de la diffusion de la densité électronique“. Bordeaux 1, 2004. http://www.theses.fr/2004BOR12842.
Der volle Inhalt der QuelleThis thesis deals with the study of photo-acoustic generation in microstructures. Calculation means are developed to represent the various mechanisms interfering in the interaction of line laser source with an anisotropic medium. Thermoelastic and electronic deformation mechanisms are considered by three multidimensional models. The first one considers the effect of the optical penetration on the acoustic generation for the semi-transparent and transparent media. Signals calculated for various directions of observation thus made it possible to interpret the new contributions resulting from the simultaneous generation in all the thickness for the transparent media. In the second model, the effect of the thermal diffusion is considered in addition to the optical penetration. The signature of the thermal diffusion on the waveforms was found on the shape of the precursors accompanying the arrivals of the quasi-longitudinal modes. The electronic effects are then taken into account, in addition to the photo-thermal effects, by a multidimensional model for anisotropic semiconductor media. This third model considers a partially coupled system describing the plasma, thermal and acoustic waves. To consider the electronic anisotropy, tensorial forms are proposed. The waveforms obtained in single-crystal silicon sample are given for various incident energies for a 1064 nm radiation. The evolution of these waveforms was interpreted by the predominance of the photo-electronic effects for low incident energies. Then, the inverse problem (identification of stiffness constants) is considered. Reliability of the measurement is discussed according to the dimensions of the source: its depth and its width
Bücher zum Thema "Diffusion de chaleur"
Lapeyre, Bernard, Etienne Pardoux und Rémi Sentis. Méthodes de Monte-Carlo pour les équations de transport et de diffusion (Mathématiques et Applications). Springer, 1997.
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