Sökning: "hydrodynamics erosion"
Visar resultat 1 - 5 av 12 avhandlingar innehållade orden hydrodynamics erosion.
1. Hydrodynamics, Erosion and Heat Transfer in Pressurized Fluidized Beds
Sammanfattning : Measurements of hydrodynamics, local tube erosion and local instantaneous bed-to-tube heat transfer were carried out in a cold, pressurized, fluidized bed with different horizontal tube banks. The influence of pressure, fluidization velocity, particle size and tube-bank geometry was studied. LÄS MER
2. Cavitation Mechanisms Related to Erosion Studies on Kaplan Turbines, Foils, and Propellers
Sammanfattning : The overall aim of this thesis work is to study cavitation behaviours related to erosion. The focus is on processes of observable scale, i.e. the process prior to the micro scale level at which the actual damage is generated. LÄS MER
3. Swash Processes and Dune Erosion: Emphasis on Vessel-Generated Waves
Sammanfattning : In navigable waterways, owing to the relatively short fetches for wind wave generation, the free waves generated by moving vessels often produce the dominant wave action with respect to erosion of the shore. In response to the fairly recent introduction of high-speed ferries, combined with a planned expansion within the passenger- and car-carrying ship market, the need to model and predict coastline changes as a result of exposure to vessel-generated waves has become a topic of increased research. LÄS MER
4. Modelling Cavitation Mechanisms Using Large Eddy Simulation
Sammanfattning : Cavitation often brings negative effects such as performance degradation, noise and vibration, and material damage, being one of the limiting factors when designing propulsion systems. On the other hand, cavitation must be endured for an efficiently propelled system. LÄS MER
5. A Large Eddy Simulation Based Fluid-Structure Interaction Methodology with Application in Hydroelasticity
Sammanfattning : The phenomenon of hydroelasticity is a subarea of Fluid-Structure Interaction (FSI) and of major importance in many engineering applications related to hydrodynamics and naval architecture e.g. LÄS MER