Search for dissertations about: "Large Eddy Simulation"
Showing result 16 - 20 of 172 swedish dissertations containing the words Large Eddy Simulation.
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16. Super-grid Linear Eddy Model (SG-LEM): Efficient mode- and regime-independent combustion closure for Large Eddy Simulation (LES)
Abstract : Next-generation combustion technology such as ‘lean burn’ and HCCI (Homogeneous Charge Compression Ignition) present new challenges for combustion modelling. The presence of locally varying combustion modes (premixed vs. non-premixed) and regimes (fast/non-fast chemistry vs. READ MORE
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17. Large Eddy Simulation of the Flow around a High-Lift Airfoil
Abstract : The work presented in this thesis concerns the efforts of conducting a Large Eddy Simulation (LES) around an airfoil. The airfoil is close to stall, near maximum lift and the Reynolds number is high. In the flow a transitional separation bubble is present. READ MORE
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18. Modelling Techniques for Large-Eddy Simulation of Wall-Bounded Turbulent Flows
Abstract : Large-eddy simulation (LES) is a highly accurate turbulence modelling approach in which a wide range of spatial and temporal scales of the flow are resolved. However, LES becomes prohibitively computationally expensive when applied to wall-bounded flows at high Reynolds numbers, which are typical of many industrial applications. READ MORE
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19. Large Eddy Simulation of Turbulent Swirling Flows and Turbulent Premixed Combustion
Abstract : With the increasing concerns about our environment and human health, more and more stringent emission limits have been specified. These adopted and still coming emission limits require and promote more accurate, less experiential methods to design and develop the combustors. READ MORE
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20. Large eddy simulation of cavitating and non-cavitating flow
Abstract : Most marine configurations are subject to a number of complex and important hydrodynamic phenomena affecting the overall performance of the vessel, both regarding resistance and propulsive efficiency. In this thesis, the possibility of numerically simulating some of these phenomena is investigated. READ MORE