Search for dissertations about: "Wake"
Showing result 16 - 20 of 266 swedish dissertations containing the word Wake.
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16. Analysis of the Unsteady Flow Field of a Passenger Vehicle
Abstract : Political legislation and consumer requirements for a sustainable society require that vehicle manufacturers focus on reduced fuel consumption and lower emissions. Areduction in the overall energy consumption can be directly linked to a decrease of the driving resistance, where the aerodynamic drag significantly contributes at velocities above 70km/h. READ MORE
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17. Active Flow Control for Drag Reduction of Heavy Vehicles
Abstract : This thesis considers the aerodynamics of trucks. The work focuses on the aerodynamic drag caused by the wake. Bluff-body flows are dominated by large dissipative vortex-shedding wakes with a low mean pressure compared to the high pressure on their frontal area. READ MORE
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18. Resource characterization and variability studies for marine current power
Abstract : Producing electricity from marine renewable resources is a research area that develops continuously. The field of tidal energy is on the edge to progress from the prototype stage to the commercial stage. READ MORE
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19. Towards Accurate Numerical Methods for Ship Flows on Composite Overlapping Grids
Abstract : Numerical methods are presented that are designed to make accurate ship-flow computations more feasible. One method concerns the automatic generation of high-quality computational grids. It treats the grids as competing individuals in a population, where an individual's fitness is based on a measure of grid quality. READ MORE
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20. Marine Current Energy Conversion
Abstract : Marine currents, i.e. water currents in oceans and rivers, constitute a large renewable energy resource. This thesis presents research done on the subject of marine current energy conversion in a broad sense. READ MORE