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thèse/mémoire
Deux axes de recherche sont décrits : 1)-étude des systèmes d'isolation utilisant les écoulements d'air dirigés en remplacement de limites matérielles, pour le contrôle de la contamination en suspension dans l'air ; 2)-détermination expérimental[...]
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In many experiments, especially those investigating aspects of fluid flow, it is common to observe time series data exhibiting chaos. Chaos lies in the realm of nonlinear dynamics, and specialized methods are available for the analysis of nonlin[...]
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The concept of mathematical model design was adopted for the simulation of heat and mass transfer during freeze-drying of food products. The physical model to simulate the problem was first established. Then a mathematical model to describe this[...]
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In these experiments, we studied how liquid is shed from the trailing edge of a plate fin under conditions similar to those commonly encountered in plate-fin compact evaporators and condensers.
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These experiments consisted of measurements of pressure losses and heat transfer rates for two unconventional crossflow heat exchanger configurations. The first type consisted of an arrangement of circular tubes in a sawtooth pattern. Performanc[...]
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The heat transfer characteristics of microencapsulated phase change material slurry flow in circular ducts and parallel plates has been investigated. The formulation of the energy equation includes the heat source which represents the heat gener[...]
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This volume presents the results of research on the physical, geochemical and microbiological processes that occur in modern solid-waste landfills and the effects that these processes have on the physical landfill environment and the chemistry o[...]
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In this thesis, the main procedures and results of a numerical and experimental investigation of transient double-diffusive convective instability in a fluid layer underlying a permeable solid region are documented. Initially, the system is isot[...]
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Un rideau d'air est un jet d'air dirigé séparant des espaces contrôlés d'environnements à températures et humidités différentes. L'étude décrit le développement et la vérification d'un modèle de viscosité turbulente qui prend en compte l'influen[...]
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Freezing of the water in a peatland causes the redistribution of existing solutes in both the shallow water and the peat zone. Such solute redistribution phenomena are of interest for establishing the geochronology of deposits and determining th[...]
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In this work, saturated colloid and contaminant/colloids transport, and unsaturated flow in fractured media is studied. First : analytical solutions for colloid transport in single fracture with and without colloid penetration into rock matrix a[...]
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In this thesis, functions are presented that are appropriate for modeling three-dimensional steady groundwater flow in regions containing inhomogeneities shaped like ellipsoids of revolution. The function are solutions of Lapalce's equation, the[...]
